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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.160 by root, Wed Jan 10 22:54:06 2007 UTC vs.
Revision 1.303 by root, Wed Jul 11 15:57:31 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 ();
20	use Data::Dumper;	27	use Data::Dumper;
21	use Digest::MD5;	28	use Digest::MD5;
22	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
23	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	32	use Time::HiRes;
		33	use Compress::LZF;
		34	use Digest::MD5 ();
26		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		43
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
33		46
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
36	our %COMMAND = ();	51	our %COMMAND = ();
37	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
38		53
39	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
		58	our %EXT_MAP = (); # pluggable maps
42		59
		60	our $RELOAD; # number of reloads so far
43	our @EVENT;	61	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		62
46	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
47	our $TICK_WATCHER;	76	our $TICK_WATCHER;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	79	our $NEXT_TICK;
49	our $NOW;	80	our $NOW;
		81	our $USE_FSYNC = 1; # use fsync to write maps - default off
		82
		83	our $BDB_POLL_WATCHER;
		84	our $DB_ENV;
50		85
51	our %CFG;	86	our %CFG;
52		87
53	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	89	our $RUNTIME;
55		90
56	our %PLAYER; # all users	91	our %PLAYER; # all users
57	our %MAP; # all maps	92	our %MAP; # all maps
58	our $LINK_MAP; # the special {link} map	93	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		94
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	95	# used to convert map paths into valid unix filenames by replacing / by ∕
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
63		101
64	binmode STDOUT;	102	binmode STDOUT;
65	binmode STDERR;	103	binmode STDERR;
66		104
67	# read virtual server time, if available	105	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
72	}	110	}
73		111
74	mkdir cf::localdir;	112	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		114
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
83		118
84	#############################################################################	119	#############################################################################
85		120
86	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
87		122
…		…
94	=item $cf::RUNTIME	129	=item $cf::RUNTIME
95		130
96	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
97	every server tick.	132	every server tick.
98		133
99	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
100		137
101	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
102	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
103		142
104	=item $cf::NOW	143	=item $cf::NOW
105		144
106	The time of the last (current) server tick.	145	The time of the last (current) server tick.
107		146
108	=item $cf::TICK	147	=item $cf::TICK
109		148
110	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
111		160
112	=item %cf::CFG	161	=item %cf::CFG
113		162
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
115	from wherever your confdir points to.	164	from wherever your confdir points to.
116		165
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		167
119	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
120	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
121	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
122	window of cpu time available, or simply to synchronise to the server tick.
123		171
124	=back	172	=back
125		173
126	=cut	174	=cut
127		175
128	BEGIN {	176	BEGIN {
129	*CORE::GLOBAL::warn = sub {	177	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	178	my $msg = join "", @_;
131	utf8::encode $msg;
132		179
133	$msg .= "\n"	180	$msg .= "\n"
134	unless $msg =~ /\n$/;	181	unless $msg =~ /\n$/;
135		182
		183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		184
		185	utf8::encode $msg;
136	LOG llevError, $msg;	186	LOG llevError, $msg;
137	};	187	};
138	}	188	}
139		189
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	194	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		195	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
145	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	196	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
146		197
147	# we bless all objects into (empty) derived classes to force a method lookup	198	# we bless all objects into (empty) derived classes to force a method lookup
148	# within the Safe compartment.	199	# within the Safe compartment.
149	for my $pkg (qw(	200	for my $pkg (qw(
150	cf::global cf::attachable	201	cf::global cf::attachable
…		…
158	}	209	}
159		210
160	$Event::DIED = sub {	211	$Event::DIED = sub {
161	warn "error in event callback: @_";	212	warn "error in event callback: @_";
162	};	213	};
		214
		215	#############################################################################
163		216
164	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
165		218
166	=over 4	219	=over 4
167		220
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	239	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	240	$d
188	} || "[unable to dump $_[0]: '$@']";	241	} || "[unable to dump $_[0]: '$@']";
189	}	242	}
190		243
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
194		245
195	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
196		247
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
205		249
206	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
207		251
208	=cut	252	=cut
209		253
210	sub to_json($) {	254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
212	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
213	}	257	sub from_json ($) { $json_coder->decode ($_[0]) }
214		258
215	=item cf::lock_wait $string	259	=item cf::lock_wait $string
216		260
217	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
218		262
…		…
224	returned.	268	returned.
225		269
226	Lock names should begin with a unique identifier (for example, cf::map::find	270	Lock names should begin with a unique identifier (for example, cf::map::find
227	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
228		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
229	=cut	277	=cut
230		278
231	our %LOCK;	279	our %LOCK;
232		280
233	sub lock_wait($) {	281	sub lock_wait($) {
…		…
252	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
254	}	302	}
255	}	303	}
256		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
		309	}
		310
257	sub freeze_mainloop {	311	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
259		313
260	my $guard = Coro::guard { $TICK_WATCHER->start };	314	my $guard = Coro::guard {
		315	$TICK_WATCHER->start;
		316	};
261	$TICK_WATCHER->stop;	317	$TICK_WATCHER->stop;
262	$guard	318	$guard
263	}	319	}
264		320
265	=item cf::async { BLOCK }	321	=item cf::async { BLOCK }
…		…
272		328
273	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
274		330
275	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
276		332
277	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
280		337
281	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
284	fast or be very important.	341	fast or be very important.
…		…
287		344
288	sub sync_job(&) {	345	sub sync_job(&) {
289	my ($job) = @_;	346	my ($job) = @_;
290		347
291	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
292	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
294		353
295	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
296	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
307		366
308	while ($busy) {	367	while ($busy) {
309	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
310	}	369	}
311		370
		371	$time = Event::time - $time;
		372
		373	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		374	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		375
		376	$tick_start += $time; # do not account sync jobs to server load
		377
312	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
313	} else {	379	} else {
314	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
315		381
316	$job->()	382	$job->()
…		…
335	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
336		402
337	$coro	403	$coro
338	}	404	}
339		405
340	sub write_runtime {	406	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		407
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
344	or return;	409	process, returning the results. Everything must be serialisable with
		410	Coro::Storable. May, of course, block. Note that the executed sub may
		411	never block itself or use any form of Event handling.
345		412
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	413	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		414
350	aio_fsync $fh	415	sub _store_scalar {
351	and return;	416	open my $fh, ">", \my $buf
352		417	or die "fork_call: cannot open fh-to-buf in child : $!";
		418	Storable::store_fd $_[0], $fh;
353	close $fh	419	close $fh;
354	or return;
355		420
356	aio_rename "$runtime~", $runtime	421	$buf
357	and return;	422	}
358		423
		424	sub fork_call(&@) {
		425	my ($cb, @args) = @_;
		426
		427	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		428	# or die "socketpair: $!";
		429	pipe my $fh1, my $fh2
		430	or die "pipe: $!";
		431
		432	if (my $pid = fork) {
		433	close $fh2;
		434
		435	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		436	warn "pst<$res>" unless $res =~ /^pst/;
		437	$res = Coro::Storable::thaw $res;
		438
		439	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		440
		441	Carp::confess $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
359	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		499	my $key = "$_[0]/$_[1]";
		500
		501	cf::sync_job {
		502	BDB::db_get $DB, undef, $key, my $data;
		503
		504	$! ? ()
		505	: $data
		506	}
		507	}
		508
		509	sub db_put($$$) {
		510	BDB::dbreq_pri 4;
		511	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		512	}
		513
		514	=item cf::cache $id => [$paths...], $processversion => $process
		515
		516	Generic caching function that returns the value of the resource $id,
		517	caching and regenerating as required.
		518
		519	This function can block.
		520
		521	=cut
		522
		523	sub cache {
		524	my ($id, $src, $processversion, $process) = @_;
		525
		526	my $meta =
		527	join "\x00",
		528	$processversion,
		529	map {
		530	aio_stat $_
		531	and Carp::croak "$_: $!";
		532
		533	($_, (stat _)[7,9])
		534	} @$src;
		535
		536	my $dbmeta = db_get cache => "$id/meta";
		537	if ($dbmeta ne $meta) {
		538	# changed, we may need to process
		539
		540	my @data;
		541	my $md5;
		542
		543	for (0 .. $#$src) {
		544	0 <= aio_load $src->[$_], $data[$_]
		545	or Carp::croak "$src->[$_]: $!";
		546	}
		547
		548	# if processing is expensive, check
		549	# checksum first
		550	if (1) {
		551	$md5 =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	Coro::cede;
		556	($src->[$_], Digest::MD5::md5_hex $data[$_])
		557	} 0.. $#$src;
		558
		559
		560	my $dbmd5 = db_get cache => "$id/md5";
		561	if ($dbmd5 eq $md5) {
		562	db_put cache => "$id/meta", $meta;
		563
		564	return db_get cache => "$id/data";
		565	}
		566	}
		567
		568	my $t1 = Time::HiRes::time;
		569	my $data = $process->(\@data);
		570	my $t2 = Time::HiRes::time;
		571
		572	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		573
		574	db_put cache => "$id/data", $data;
		575	db_put cache => "$id/md5" , $md5;
		576	db_put cache => "$id/meta", $meta;
		577
		578	return $data;
		579	}
		580
		581	db_get cache => "$id/data"
		582	}
		583
		584	=item cf::datalog type => key => value, ...
		585
		586	Log a datalog packet of the given type with the given key-value pairs.
		587
		588	=cut
		589
		590	sub datalog($@) {
		591	my ($type, %kv) = @_;
		592	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	593	}
361		594
362	=back	595	=back
363		596
364	=cut	597	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		598
493	#############################################################################	599	#############################################################################
494		600
495	=head2 ATTACHABLE OBJECTS	601	=head2 ATTACHABLE OBJECTS
496		602
…		…
498	attach callbacks/event handlers (a collection of which is called an "attachment")	604	attach callbacks/event handlers (a collection of which is called an "attachment")
499	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
500		606
501	In the following description, CLASS can be any of C<global>, C<object>	607	In the following description, CLASS can be any of C<global>, C<object>
502	C<player>, C<client> or C<map> (i.e. the attachable objects in	608	C<player>, C<client> or C<map> (i.e. the attachable objects in
503	crossfire+).	609	Crossfire TRT).
504		610
505	=over 4	611	=over 4
506		612
507	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
508		614
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	728	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	729	our @CB_MAP = ();
624		730
625	my %attachment;	731	my %attachment;
626		732
		733	sub cf::attachable::thawer_merge {
		734	# simply override everything except _meta
		735	local $_[0]{_meta};
		736	%{$_[0]} = %{$_[1]};
		737	}
		738
627	sub _attach_cb($$$$) {	739	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	740	my ($registry, $event, $prio, $cb) = @_;
629		741
630	use sort 'stable';	742	use sort 'stable';
631		743
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
666		778
667	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		783
672	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	785	my $pkg = shift @arg;
674		786
675	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
705	}	817	}
706		818
707	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
708	} else {	820	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	822	}
711		823
712	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
713	}	825	}
714		826
…		…
716	if (ref $_[0]) {	828	if (ref $_[0]) {
717	_object_attach @_;	829	_object_attach @_;
718	} else {	830	} else {
719	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
720	}	832	}
		833	_recalc_want;
721	};	834	};
722		835
723	# all those should be optimised	836	# all those should be optimised
724	sub cf::attachable::detach {	837	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
729	reattach ($obj);	842	reattach ($obj);
730	} else {	843	} else {
731	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
732	}	845	}
		846	_recalc_want;
733	};	847	};
734		848
735	sub cf::attachable::attached {	849	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
737		851
…		…
802	# object support	916	# object support
803		917
804	sub reattach {	918	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	919	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	920	my ($obj) = @_;
		921
		922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		923
808	my $registry = $obj->registry;	924	my $registry = $obj->registry;
809		925
810	@$registry = ();	926	@$registry = ();
811		927
…		…
858	$filename, length $$rdata, scalar @$objs;	974	$filename, length $$rdata, scalar @$objs;
859		975
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	977	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	979	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	980	close $fh;
865		981
866	if (@$objs) {	982	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	983	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	984	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	985	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	986	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	987	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	988	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	989	aio_rename "$filename.pst~", "$filename.pst";
874	}	990	}
875	} else {	991	} else {
876	aio_unlink "$filename.pst";	992	aio_unlink "$filename.pst";
…		…
908	or return;	1024	or return;
909	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
910	}	1026	}
911		1027
912	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1029	$filename, length $data, scalar @{$av || []};
914	return ($data, $av);	1030	return ($data, $av);
915	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
916		1038
917	#############################################################################	1039	#############################################################################
918	# command handling &c	1040	# command handling &c
919		1041
920	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1056	}
935		1057
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1059
938	Register a callbackf ro execution when the client sends an extcmd packet.	1060	Register a callback for execution when the client sends an (synchronous)
		1061	extcmd packet. Ext commands will be processed in the order they are
		1062	received by the server, like other user commands. The first argument is
		1063	the logged-in player. Ext commands can only be processed after a player
		1064	has logged in successfully.
939		1065
940	If the callback returns something, it is sent back as if reply was being	1066	If the callback returns something, it is sent back as if reply was being
941	called.	1067	called.
942		1068
		1069	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1070
		1071	Register a callback for execution when the client sends an (asynchronous)
		1072	exticmd packet. Exti commands are processed by the server as soon as they
		1073	are received, i.e. out of order w.r.t. other commands. The first argument
		1074	is a client socket. Exti commands can be received anytime, even before
		1075	log-in.
		1076
		1077	If the callback returns something, it is sent back as if reply was being
		1078	called.
		1079
943	=cut	1080	=cut
944		1081
945	sub register_extcmd {	1082	sub register_extcmd {
946	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
947		1084
948	$EXTCMD{$name} = $cb;	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
949	}	1092	}
950		1093
951	cf::player->attach (	1094	cf::player->attach (
952	on_command => sub {	1095	on_command => sub {
953	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1105	cf::override;
963	},	1106	},
964	on_extcmd => sub {	1107	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
966		1109
967	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1111
969	if (ref $msg) {	1112	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
978		1121
979	cf::override;	1122	cf::override;
980	},	1123	},
981	);	1124	);
982		1125
983	sub load_extension {
984	my ($path) = @_;
985
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;
988	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";
991
992	warn "... loading '$path' into '$pkg'\n";
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}
1009
1010	sub load_extensions {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
1011	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1131	next unless -r $path;
1013	eval {	1132
1014	load_extension $ext;	1133	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1134	my $base = $1;
		1135	my $pkg = $1;
		1136	$pkg =~ s/[^[:word:]]/_/g;
		1137	$pkg = "ext::$pkg";
		1138
		1139	open my $fh, "<:utf8", $path
		1140	or die "$path: $!";
		1141
		1142	my $source = do { local $/; <$fh> };
		1143
		1144	my %ext = (
		1145	path => $path,
		1146	base => $base,
		1147	pkg => $pkg,
		1148	);
		1149
		1150	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1151	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1152
		1153	$ext{source} =
		1154	"package $pkg; use strict; use utf8;\n"
		1155	. "#line 1 \"$path\"\n{\n"
		1156	. $source
		1157	. "\n};\n1";
		1158
		1159	$todo{$base} = \%ext;
		1160	}
		1161
		1162	my %done;
		1163	while (%todo) {
		1164	my $progress;
		1165
		1166	while (my ($k, $v) = each %todo) {
		1167	for (split /,\s*/, $v->{meta}{depends}) {
		1168	goto skip
		1169	unless exists $done{$_};
		1170	}
		1171
		1172	warn "... loading '$k' into '$v->{pkg}'\n";
		1173
		1174	unless (eval $v->{source}) {
		1175	my $msg = $@ ? "$v->{path}: $@\n"
		1176	: "$v->{base}: extension inactive.\n";
		1177
		1178	if (exists $v->{meta}{mandatory}) {
		1179	warn $msg;
		1180	warn "mandatory extension failed to load, exiting.\n";
		1181	exit 1;
		1182	}
		1183
		1184	warn $msg;
		1185	}
		1186
		1187	$done{$k} = delete $todo{$k};
		1188	push @EXTS, $v->{pkg};
		1189	$progress = 1;
1015	1	1190	}
1016	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
1017	}	1196	};
1018	}	1197	}
1019		1198
1020	#############################################################################	1199	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1200
1023	*cf::mapsupport::on_clean = sub {	1201	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1202
1036	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
1037		1204
1038	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
1039		1206
…		…
1052	Returns the given player object, loading it if necessary (might block).	1219	Returns the given player object, loading it if necessary (might block).
1053		1220
1054	=cut	1221	=cut
1055		1222
1056	sub playerdir($) {	1223	sub playerdir($) {
1057	cf::localdir	1224	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1225	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1226	}
1063		1227
1064	sub path($) {	1228	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1229	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1230
1067	(playerdir $login) . "/$login.pl"	1231	(playerdir $login) . "/playerdata"
1068	}	1232	}
1069		1233
1070	sub find_active($) {	1234	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1235	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1236	and $cf::PLAYER{$_[0]}->active
…		…
1075		1239
1076	sub exists($) {	1240	sub exists($) {
1077	my ($login) = @_;	1241	my ($login) = @_;
1078		1242
1079	$cf::PLAYER{$login}	1243	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1244	or cf::sync_job { !aio_stat path $login }
1081	}	1245	}
1082		1246
1083	sub find($) {	1247	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1248	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1249	my $login = $_[0];
1086		1250
1087	my $guard = cf::lock_acquire "user_find:$login";	1251	my $guard = cf::lock_acquire "user_find:$login";
1088		1252
1089	$cf::PLAYER{$_[0]} || do {	1253	$cf::PLAYER{$_[0]} || do {
		1254	# rename old playerfiles to new ones
		1255	#TODO: remove when no longer required
		1256	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1257	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1258	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1259	aio_unlink +(playerdir $login) . "/$login.pl";
		1260
1090	my $pl = load_pl path $login	1261	my $pl = load_pl path $login
1091	or return;	1262	or return;
1092	$cf::PLAYER{$login} = $pl	1263	$cf::PLAYER{$login} = $pl
1093	}	1264	}
1094	}	1265	}
…		…
1131		1302
1132	=cut	1303	=cut
1133		1304
1134	sub quit_character {	1305	sub quit_character {
1135	my ($pl) = @_;	1306	my ($pl) = @_;
		1307
		1308	my $name = $pl->ob->name;
1136		1309
1137	$pl->{deny_save} = 1;	1310	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1311	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1312
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1318	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1319	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1320	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1321	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1322	$pl->destroy;
		1323
		1324	my $prefix = qr<^~\Q$name\E/>;
		1325
		1326	# nuke player maps
		1327	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1328
1150	IO::AIO::aio_rmtree $temp;	1329	IO::AIO::aio_rmtree $temp;
		1330	}
		1331
		1332	=item $pl->kick
		1333
		1334	Kicks a player out of the game. This destroys the connection.
		1335
		1336	=cut
		1337
		1338	sub kick {
		1339	my ($pl, $kicker) = @_;
		1340
		1341	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1342	$pl->killer ("kicked");
		1343	$pl->ns->destroy;
1151	}	1344	}
1152		1345
1153	=item cf::player::list_logins	1346	=item cf::player::list_logins
1154		1347
1155	Returns am arrayref of all valid playernames in the system, can take a	1348	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1349	while and may block, so not sync_job-capable, ever.
1157		1350
1158	=cut	1351	=cut
1159		1352
1160	sub list_logins {	1353	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1354	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1355	or return [];
1163		1356
1164	my @logins;	1357	my @logins;
1165		1358
1166	for my $login (@$dirs) {	1359	for my $login (@$dirs) {
…		…
1175	\@logins	1368	\@logins
1176	}	1369	}
1177		1370
1178	=item $player->maps	1371	=item $player->maps
1179		1372
1180	Returns an arrayref of cf::path's of all maps that are private for this	1373	Returns an arrayref of map paths that are private for this
1181	player. May block.	1374	player. May block.
1182		1375
1183	=cut	1376	=cut
1184		1377
1185	sub maps($) {	1378	sub maps($) {
1186	my ($pl) = @_;	1379	my ($pl) = @_;
		1380
		1381	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1382
1188	my $files = aio_readdir playerdir $pl	1383	my $files = aio_readdir playerdir $pl
1189	or return;	1384	or return;
1190		1385
1191	my @paths;	1386	my @paths;
…		…
1193	for (@$files) {	1388	for (@$files) {
1194	utf8::decode $_;	1389	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1390	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1391	next unless /^$PATH_SEP/o;
1197		1392
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1393	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1394	}
1200		1395
1201	\@paths	1396	\@paths
1202	}	1397	}
1203		1398
		1399	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1400
		1401	Expand crossfire pod fragments into protocol xml.
		1402
		1403	=cut
		1404
		1405	sub expand_cfpod {
		1406	((my $self), (local $_)) = @_;
		1407
		1408	# escape & and <
		1409	s/&/&amp;/g;
		1410	s/(?<![BIUGH])</&lt;/g;
		1411
		1412	# this is buggy, it needs to properly take care of nested <'s
		1413
		1414	1 while
		1415	# replace B<>, I<>, U<> etc.
		1416	s/B<([^\>]*)>/<b>$1<\/b>/
		1417	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1418	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1419	# replace G<male|female> tags
		1420	|| s{G<([^>|]*)\|([^>]*)>}{
		1421	$self->gender ? $2 : $1
		1422	}ge
		1423	# replace H<hint text>
		1424	|| s{H<([^\>]*)>}
		1425	{
		1426	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1427	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1428	"")
		1429	[$self->{hintmode}]
		1430	}ge;
		1431
		1432	# create single paragraphs (very hackish)
		1433	s/(?<=\S)\n(?=\w)/ /g;
		1434
		1435	# compress some whitespace
		1436	s/\s+\n/\n/g; # ws line-ends
		1437	s/\n\n+/\n/g; # double lines
		1438	s/^\n+//; # beginning lines
		1439	s/\n+$//; # ending lines
		1440
		1441	$_
		1442	}
		1443
		1444	sub hintmode {
		1445	$_[0]{hintmode} = $_[1] if @_ > 1;
		1446	$_[0]{hintmode}
		1447	}
		1448
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1205		1450
1206	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1207		1452
1208	=cut	1453	=cut
1209		1454
1210	sub ext_reply($$$%) {	1455	sub ext_reply($$%) {
1211	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1212		1457
1213	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1214		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1460	}
1217		1461
1218	package cf;	1462	=item $player->ext_event ($type, %msg)
		1463
		1464	Sends an ext event to the client.
		1465
		1466	=cut
		1467
		1468	sub ext_event($$%) {
		1469	my ($self, $type, %msg) = @_;
		1470
		1471	$self->ns->ext_event ($type, %msg);
		1472	}
		1473
		1474	=head3 cf::region
		1475
		1476	=over 4
		1477
		1478	=cut
		1479
		1480	package cf::region;
		1481
		1482	=item cf::region::find_by_path $path
		1483
		1484	Tries to decuce the likely region for a map knowing only its path.
		1485
		1486	=cut
		1487
		1488	sub find_by_path($) {
		1489	my ($path) = @_;
		1490
		1491	my ($match, $specificity);
		1492
		1493	for my $region (list) {
		1494	if ($region->match && $path =~ $region->match) {
		1495	($match, $specificity) = ($region, $region->specificity)
		1496	if $region->specificity > $specificity;
		1497	}
		1498	}
		1499
		1500	$match
		1501	}
1219		1502
1220	=back	1503	=back
1221
1222		1504
1223	=head3 cf::map	1505	=head3 cf::map
1224		1506
1225	=over 4	1507	=over 4
1226		1508
…		…
1229	package cf::map;	1511	package cf::map;
1230		1512
1231	use Fcntl;	1513	use Fcntl;
1232	use Coro::AIO;	1514	use Coro::AIO;
1233		1515
		1516	use overload
		1517	'""' => \&as_string,
		1518	fallback => 1;
		1519
1234	our $MAX_RESET = 3600;	1520	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1521	our $DEFAULT_RESET = 3000;
1236		1522
1237	sub generate_random_map {	1523	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1524	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1525	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1526	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1530	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1531	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1534	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1535	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1537	(cf::region::find $rmp->{region}), $rmp->{custom}
		1538	)
		1539	}
		1540
		1541	=item cf::map->register ($regex, $prio)
		1542
		1543	Register a handler for the map path matching the given regex at the
		1544	givne priority (higher is better, built-in handlers have priority 0, the
		1545	default).
		1546
		1547	=cut
		1548
		1549	sub register {
		1550	my (undef, $regex, $prio) = @_;
		1551	my $pkg = caller;
		1552
		1553	no strict;
		1554	push @{"$pkg\::ISA"}, __PACKAGE__;
		1555
		1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1557	}
		1558
		1559	# also paths starting with '/'
		1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1561
		1562	sub thawer_merge {
		1563	my ($self, $merge) = @_;
		1564
		1565	# we have to keep some variables in memory intact
		1566	local $self->{path};
		1567	local $self->{load_path};
		1568
		1569	$self->SUPER::thawer_merge ($merge);
		1570	}
		1571
		1572	sub normalise {
		1573	my ($path, $base) = @_;
		1574
		1575	$path = "$path"; # make sure its a string
		1576
		1577	$path =~ s/\.map$//;
		1578
		1579	# map plan:
		1580	#
		1581	# /! non-realised random map exit (special hack!)
		1582	# {... are special paths that are not being touched
		1583	# ?xxx/... are special absolute paths
		1584	# ?random/... random maps
		1585	# /... normal maps
		1586	# ~user/... per-player map of a specific user
		1587
		1588	$path =~ s/$PATH_SEP/\//go;
		1589
		1590	# treat it as relative path if it starts with
		1591	# something that looks reasonable
		1592	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1593	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1594
		1595	$base =~ s{[^/]+/?$}{};
		1596	$path = "$base/$path";
		1597	}
		1598
		1599	for ($path) {
		1600	redo if s{//}{/};
		1601	redo if s{/\.?/}{/};
		1602	redo if s{/[^/]+/\.\./}{/};
		1603	}
		1604
		1605	$path
		1606	}
		1607
		1608	sub new_from_path {
		1609	my (undef, $path, $base) = @_;
		1610
		1611	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1612
		1613	$path = normalise $path, $base;
		1614
		1615	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1616	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1617	my $self = bless cf::map::new, $pkg;
		1618	$self->{path} = $path; $self->path ($path);
		1619	$self->init; # pass $1 etc.
		1620	return $self;
		1621	}
		1622	}
		1623
		1624	Carp::carp "unable to resolve path '$path' (base '$base').";
		1625	()
		1626	}
		1627
		1628	sub init {
		1629	my ($self) = @_;
		1630
		1631	$self
		1632	}
		1633
		1634	sub as_string {
		1635	my ($self) = @_;
		1636
		1637	"$self->{path}"
		1638	}
		1639
		1640	# the displayed name, this is a one way mapping
		1641	sub visible_name {
		1642	&as_string
		1643	}
		1644
		1645	# the original (read-only) location
		1646	sub load_path {
		1647	my ($self) = @_;
		1648
		1649	"$MAPDIR/$self->{path}.map"
		1650	}
		1651
		1652	# the temporary/swap location
		1653	sub save_path {
		1654	my ($self) = @_;
		1655
		1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1657	"$TMPDIR/$path.map"
		1658	}
		1659
		1660	# the unique path, undef == no special unique path
		1661	sub uniq_path {
		1662	my ($self) = @_;
		1663
		1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1665	"$UNIQUEDIR/$path"
1254	}	1666	}
1255		1667
1256	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1257	# all maps in C++...	1669	# all maps in C++...
1258	sub change_all_map_light {	1670	sub change_all_map_light {
…		…
1260		1672
1261	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1263	}	1675	}
1264		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
		1683	}
		1684
		1685	sub unlink_save {
		1686	my ($self) = @_;
		1687
		1688	utf8::encode (my $save = $self->save_path);
		1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1690	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1691	}
		1692
1265	sub try_load_header($) {	1693	sub load_header_from($) {
1266	my ($path) = @_;	1694	my ($self, $path) = @_;
1267		1695
1268	utf8::encode $path;	1696	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1697	#aio_open $path, O_RDONLY, 0
		1698	# or return;
		1699
		1700	$self->_load_header ($path)
1270	or return;	1701	or return;
1271		1702
1272	my $map = cf::map::new	1703	$self->{load_path} = $path;
		1704
		1705	1
		1706	}
		1707
		1708	sub load_header_orig {
		1709	my ($self) = @_;
		1710
		1711	$self->load_header_from ($self->load_path)
		1712	}
		1713
		1714	sub load_header_temp {
		1715	my ($self) = @_;
		1716
		1717	$self->load_header_from ($self->save_path)
		1718	}
		1719
		1720	sub prepare_temp {
		1721	my ($self) = @_;
		1722
		1723	$self->last_access ((delete $self->{last_access})
		1724	|| $cf::RUNTIME); #d#
		1725	# safety
		1726	$self->{instantiate_time} = $cf::RUNTIME
		1727	if $self->{instantiate_time} > $cf::RUNTIME;
		1728	}
		1729
		1730	sub prepare_orig {
		1731	my ($self) = @_;
		1732
		1733	$self->{load_original} = 1;
		1734	$self->{instantiate_time} = $cf::RUNTIME;
		1735	$self->last_access ($cf::RUNTIME);
		1736	$self->instantiate;
		1737	}
		1738
		1739	sub load_header {
		1740	my ($self) = @_;
		1741
		1742	if ($self->load_header_temp) {
		1743	$self->prepare_temp;
		1744	} else {
		1745	$self->load_header_orig
1273	or return;	1746	or return;
		1747	$self->prepare_orig;
		1748	}
1274		1749
1275	# for better error messages only, will be overwritten	1750	$self->{deny_reset} = 1
1276	$map->path ($path);	1751	if $self->no_reset;
1277		1752
1278	$map->load_header ($path)	1753	$self->default_region (cf::region::find_by_path $self->{path})
1279	or return;	1754	unless $self->default_region;
1280		1755
1281	$map->{load_path} = $path;	1756	1
1282
1283	$map
1284	}	1757	}
1285		1758
1286	sub find;	1759	sub find;
1287	sub find {	1760	sub find {
1288	my ($path, $origin) = @_;	1761	my ($path, $origin) = @_;
1289		1762
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1763	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1764
1295	cf::lock_wait "map_find:$key";	1765	cf::lock_wait "map_find:$path";
1296		1766
1297	$cf::MAP{$key} || do {	1767	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1768	my $guard = cf::lock_acquire "map_find:$path";
1299		1769	my $map = new_from_path cf::map $path
1300	# do it the slow way
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1770	or return;
1319		1771
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1332		1773
1333	Coro::cede;	1774	$map->load_header
		1775	or return;
1334		1776
1335	if ($map->should_reset) {	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1778	# doing this can freeze the server in a sync job, obviously
		1779	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1780	$map->reset;
1337	undef $guard;	1781	undef $guard;
1338	$map = find $path	1782	return find $path;
1339	or return;
1340	}	1783	}
1341		1784
1342	$cf::MAP{$key} = $map	1785	$cf::MAP{$path} = $map
1343	}	1786	}
1344	}	1787	}
		1788
		1789	sub pre_load { }
		1790	sub post_load { }
1345		1791
1346	sub load {	1792	sub load {
1347	my ($self) = @_;	1793	my ($self) = @_;
1348		1794
		1795	local $self->{deny_reset} = 1; # loading can take a long time
		1796
1349	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1800	my $guard = cf::lock_acquire "map_load:$path";
1351		1801
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1803
1354	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1355		1805
1356	$self->alloc;	1806	$self->alloc;
		1807
		1808	$self->pre_load;
		1809	Coro::cede;
		1810
1357	$self->load_objects ($self->{load_path}, 1)	1811	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1812	or return;
1359		1813
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1815	if delete $self->{load_original};
1362		1816
1363	if (my $uniq = $path->uniq_path) {	1817	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1818	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1819	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1820	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1821	$self->_load_objects ($uniq, 0);
1368	}	1822	}
1369	}	1823	}
1370		1824
1371	Coro::cede;	1825	Coro::cede;
1372
1373	# now do the right thing for maps	1826	# now do the right thing for maps
1374	$self->link_multipart_objects;	1827	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1829	unless $self->difficulty;
		1830	Coro::cede;
		1831
		1832	unless ($self->{deny_activate}) {
		1833	$self->decay_objects;
		1834	$self->fix_auto_apply;
		1835	$self->update_buttons;
		1836	Coro::cede;
		1837	$self->set_darkness_map;
		1838	Coro::cede;
1386	$self->activate;	1839	$self->activate;
1387	}	1840	}
1388		1841
1389	Coro::cede;
1390
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1842	$self->in_memory (cf::MAP_IN_MEMORY);
		1843	}
		1844
		1845	$self->post_load;
		1846	}
		1847
		1848	sub customise_for {
		1849	my ($self, $ob) = @_;
		1850
		1851	return find "~" . $ob->name . "/" . $self->{path}
		1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
		1856
		1857	$self
1392	}	1858	}
1393		1859
1394	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1861	sub load_diag {
1396	my ($map) = @_;	1862	my ($map) = @_;
…		…
1426		1892
1427	cf::sync_job { $map->load };	1893	cf::sync_job { $map->load };
1428	}	1894	}
1429		1895
1430	our %MAP_PREFETCH;	1896	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1897	our $MAP_PREFETCHER = undef;
1432	while () {
1433	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH
1435	or next;
1436	my $path = delete $MAP_PREFETCH{$key};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1898
1446	sub find_async {	1899	sub find_async {
1447	my ($path, $origin) = @_;	1900	my ($path, $origin) = @_;
1448		1901
1449	$path = new cf::path $path, $origin && $origin->path;	1902	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1903
1452	if (my $map = $cf::MAP{$key}) {	1904	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1906	}
1455		1907
1456	$MAP_PREFETCH{$key} = $path;	1908	undef $MAP_PREFETCH{$path};
		1909	$MAP_PREFETCHER ||= cf::async {
		1910	while (%MAP_PREFETCH) {
		1911	for my $path (keys %MAP_PREFETCH) {
		1912	my $map = find $path
		1913	or next;
		1914	$map->load;
		1915
		1916	delete $MAP_PREFETCH{$path};
		1917	}
		1918	}
		1919	undef $MAP_PREFETCHER;
		1920	};
1457	$MAP_PREFETCHER->ready;	1921	$MAP_PREFETCHER->prio (6);
1458		1922
1459	()	1923	()
1460	}	1924	}
1461		1925
1462	sub save {	1926	sub save {
…		…
1466		1930
1467	$self->{last_save} = $cf::RUNTIME;	1931	$self->{last_save} = $cf::RUNTIME;
1468		1932
1469	return unless $self->dirty;	1933	return unless $self->dirty;
1470		1934
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1935	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1936	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1937
1474	$self->{load_path} = $save;	1938	$self->{load_path} = $save;
1475		1939
1476	return if $self->{deny_save};	1940	return if $self->{deny_save};
1477		1941
…		…
1480	cf::async {	1944	cf::async {
1481	$_->contr->save for $self->players;	1945	$_->contr->save for $self->players;
1482	};	1946	};
1483		1947
1484	if ($uniq) {	1948	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	1951	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	1953	}
1490	}	1954	}
1491		1955
1492	sub swap_out {	1956	sub swap_out {
1493	my ($self) = @_;	1957	my ($self) = @_;
…		…
1507		1971
1508	sub reset_at {	1972	sub reset_at {
1509	my ($self) = @_;	1973	my ($self) = @_;
1510		1974
1511	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1514		1977
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		1980
…		…
1522	my ($self) = @_;	1985	my ($self) = @_;
1523		1986
1524	$self->reset_at <= $cf::RUNTIME	1987	$self->reset_at <= $cf::RUNTIME
1525	}	1988	}
1526		1989
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	1990	sub reset {
1549	my ($self) = @_;	1991	my ($self) = @_;
1550		1992
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		1994
1553	return if $self->players;	1995	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		1996
1556	warn "resetting map ", $self->path;#d#	1997	warn "resetting map ", $self->path;
		1998
		1999	$self->in_memory (cf::MAP_SWAPPED);
		2000
		2001	# need to save uniques path
		2002	unless ($self->{deny_save}) {
		2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2004
		2005	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2006	if $uniq;
		2007	}
1557		2008
1558	delete $cf::MAP{$self->path};	2009	delete $cf::MAP{$self->path};
		2010
		2011	$self->clear;
1559		2012
1560	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1561		2014
1562	$self->unlink_save;	2015	$self->unlink_save;
1563	$self->destroy;	2016	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	2019	my $nuke_counter = "aaaa";
1567		2020
1568	sub nuke {	2021	sub nuke {
1569	my ($self) = @_;	2022	my ($self) = @_;
1570		2023
		2024	delete $cf::MAP{$self->path};
		2025
		2026	$self->unlink_save;
		2027
		2028	bless $self, "cf::map";
		2029	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2030	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2031	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2033
		2034	$cf::MAP{$self->path} = $self;
		2035
1574	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1575	}	2037	}
1576		2038
1577	sub customise_for {	2039	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2040
1580	if ($map->per_player) {	2041	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
1582	}	2047	[
		2048	map {
		2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
		2055	}
1583		2056
1584	$map	2057	=item $maps = cf::map::random_maps
		2058
		2059	Returns an arrayref with all map paths of currently instantiated and saved
		2060	random maps. May block.
		2061
		2062	=cut
		2063
		2064	sub random_maps() {
		2065	[
		2066	map {
		2067	utf8::decode $_;
		2068	/\.map$/
		2069	? normalise "?random/$_"
		2070	: ()
		2071	} @{ aio_readdir $RANDOMDIR or [] }
		2072	]
1585	}	2073	}
1586		2074
1587	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1588		2076
1589	Returns an arrayref of cf::path's of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2078	instantiated unique items. May block.
1591		2079
1592	=cut	2080	=cut
1593		2081
1594	sub unique_maps() {	2082	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2083	[
1596	or return;	2084	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2085	utf8::decode $_;
1602	next if /\.pst$/;	2086	/\.map$/
1603	next unless /^$PATH_SEP/o;	2087	? normalise $_
1604		2088	: ()
1605	push @paths, new cf::path $_;	2089	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2090	]
1607
1608	\@paths
1609	}	2091	}
1610		2092
1611	package cf;	2093	package cf;
1612		2094
1613	=back	2095	=back
…		…
1659		2141
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2143
1662	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1664	} else {	2147	} else {
		2148	my $pl = $self->contr;
		2149
		2150	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2151	my $diag = $pl->{npc_dialog};
		2152	$diag->{pl}->ext_reply (
		2153	$diag->{id},
		2154	msgtype => "reply",
		2155	msg => $diag->{pl}->expand_cfpod ($msg),
		2156	add_topics => []
		2157	);
		2158
		2159	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1667	}	2163	}
1668	}	2164	}
1669		2165
1670	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1671		2167
…		…
1685		2181
1686	=item $player_object->enter_link	2182	=item $player_object->enter_link
1687		2183
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2184	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2185
1690	The player should be reaosnably safe there for short amounts of time. You	2186	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	2187	I<MUST> call C<leave_link> as soon as possible, though.
1692		2188
		2189	Will never block.
		2190
1693	=item $player_object->leave_link ($map, $x, $y)	2191	=item $player_object->leave_link ($map, $x, $y)
1694		2192
1695	Moves the player out of the specila link map onto the given map. If the	2193	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2194	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2195	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2196	fails, to the emergency map position.
1699		2197
1700	Might block.	2198	Might block.
1701		2199
1702	=cut	2200	=cut
		2201
		2202	sub link_map {
		2203	unless ($LINK_MAP) {
		2204	$LINK_MAP = cf::map::find "{link}"
		2205	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2206	$LINK_MAP->load;
		2207	}
		2208
		2209	$LINK_MAP
		2210	}
1703		2211
1704	sub cf::object::player::enter_link {	2212	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2213	my ($self) = @_;
1706		2214
1707	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1708		2216
1709	return if $self->map == $LINK_MAP;	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2218
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1713		2221
1714	$self->enter_map ($LINK_MAP, 20, 20);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2223	}
1716		2224
1717	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1719		2229
1720	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1721		2231
1722	unless ($map) {	2232	unless ($map) {
1723	# restore original map position	2233	# restore original map position
…		…
1741	$map->load;	2251	$map->load;
1742	$map->load_diag;	2252	$map->load_diag;
1743		2253
1744	return unless $self->contr->active;	2254	return unless $self->contr->active;
1745	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1747	}	2259	}
1748		2260
1749	cf::player->attach (
1750	on_logout => sub {
1751	my ($pl) = @_;
1752
1753	# abort map switching before logout
1754	if ($pl->ob->{_link_pos}) {
1755	cf::sync_job {
1756	$pl->ob->leave_link
1757	};
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1782		2262
		2263	Moves the player to the given map-path and coordinates by first freezing
		2264	her, loading and preparing them map, calling the provided $check callback
		2265	that has to return the map if sucecssful, and then unfreezes the player on
		2266	the new (success) or old (failed) map position.
		2267
1783	=cut	2268	=cut
		2269
		2270	our $GOTOGEN;
1784		2271
1785	sub cf::object::player::goto {	2272	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2273	my ($self, $path, $x, $y, $check) = @_;
1787		2274
1788	$path = new cf::path $path;	2275	# do generation counting so two concurrent goto's will be executed in-order
		2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2277
1790	$self->enter_link;	2278	$self->enter_link;
1791		2279
1792	(async {	2280	(async {
		2281	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	2282	my $map = cf::map::find $path;
		2283
		2284	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2285	$map = $map->customise_for ($self);
1795		2286	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2287	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2288	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2289	}
1800		2290
		2291	$map
		2292	};
		2293
		2294	if ($@) {
		2295	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2296	LOG llevError | logBacktrace, Carp::longmess $@;
		2297	}
		2298
		2299	if ($gen == $self->{_goto_generation}) {
		2300	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2301	$self->leave_link ($map, $x, $y);
		2302	}
1802	})->prio (1);	2303	})->prio (1);
1803	}	2304	}
1804		2305
1805	=item $player_object->enter_exit ($exit_object)	2306	=item $player_object->enter_exit ($exit_object)
1806		2307
…		…
1808		2309
1809	sub parse_random_map_params {	2310	sub parse_random_map_params {
1810	my ($spec) = @_;	2311	my ($spec) = @_;
1811		2312
1812	my $rmp = { # defaults	2313	my $rmp = { # defaults
1813	xsize => 10,	2314	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2315	ysize => (cf::rndm 15, 40),
		2316	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2317	#layout => string,
1815	};	2318	};
1816		2319
1817	for (split /\n/, $spec) {	2320	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2321	my ($k, $v) = split /\s+/, $_, 2;
1819		2322
…		…
1823	$rmp	2326	$rmp
1824	}	2327	}
1825		2328
1826	sub prepare_random_map {	2329	sub prepare_random_map {
1827	my ($exit) = @_;	2330	my ($exit) = @_;
		2331
		2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2333
1829	# all this does is basically replace the /! path by	2334	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2335	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2336	# that depends on the exit object
1832		2337
1833	my $rmp = parse_random_map_params $exit->msg;	2338	my $rmp = parse_random_map_params $exit->msg;
1834		2339
1835	if ($exit->map) {	2340	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2341	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2342	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2343	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2344	$rmp->{origin_y} = $exit->y;
1840	}	2345	}
1841		2346
1842	$rmp->{random_seed} ||= $exit->random_seed;	2347	$rmp->{random_seed} ||= $exit->random_seed;
1843		2348
1844	my $data = cf::to_json $rmp;	2349	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2350	my $md5 = Digest::MD5::md5_hex $data;
		2351	my $meta = "$RANDOMDIR/$md5.meta";
1846		2352
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2353	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2354	aio_write $fh, 0, (length $data), $data, 0;
		2355	undef $fh;
		2356	aio_rename "$meta~", $meta;
1849		2357
1850	$exit->slaying ("?random/$md5");	2358	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2359	$exit->msg (undef);
1852	}	2360	}
1853	}	2361	}
…		…
1855	sub cf::object::player::enter_exit {	2363	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2364	my ($self, $exit) = @_;
1857		2365
1858	return unless $self->type == cf::PLAYER;	2366	return unless $self->type == cf::PLAYER;
1859		2367
		2368	if ($exit->slaying eq "/!") {
		2369	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2370	# the problem is that $exit might not survive long enough
		2371	# so it needs to be done right now, right here
		2372	cf::sync_job { prepare_random_map $exit };
		2373	}
		2374
		2375	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2376	my $hp = $exit->stats->hp;
		2377	my $sp = $exit->stats->sp;
		2378
1860	$self->enter_link;	2379	$self->enter_link;
		2380
		2381	# if exit is damned, update players death & WoR home-position
		2382	$self->contr->savebed ($slaying, $hp, $sp)
		2383	if $exit->flag (FLAG_DAMNED);
1861		2384
1862	(async {	2385	(async {
1863	$self->deactivate_recursive; # just to be sure	2386	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2387	unless (eval {
1865	prepare_random_map $exit	2388	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		2389
1871	1;	2390	1;
1872	}) {	2391	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2392	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2393	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2394	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2395	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2396
1878	warn "ERROR in enter_exit: $@";	2397	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2398	$self->leave_link;
1880	}	2399	}
1881	})->prio (1);	2400	})->prio (1);
…		…
1894		2413
1895	sub cf::client::send_drawinfo {	2414	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2415	my ($self, $text, $flags) = @_;
1897		2416
1898	utf8::encode $text;	2417	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2419	}
1901		2420
		2421	=item $client->send_msg ($color, $type, $msg, [extra...])
		2422
		2423	Send a drawinfo or msg packet to the client, formatting the msg for the
		2424	client if neccessary. C<$type> should be a string identifying the type of
		2425	the message, with C<log> being the default. If C<$color> is negative, suppress
		2426	the message unless the client supports the msg packet.
		2427
		2428	=cut
		2429
		2430	sub cf::client::send_msg {
		2431	my ($self, $color, $type, $msg, @extra) = @_;
		2432
		2433	$msg = $self->pl->expand_cfpod ($msg);
		2434
		2435	return unless @extra || length $msg;
		2436
		2437	if ($self->can_msg) {
		2438	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2439	} else {
		2440	# replace some tags by gcfclient-compatible ones
		2441	for ($msg) {
		2442	1 while
		2443	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2444	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2445	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2446	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2447	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2448	}
		2449
		2450	if ($color >= 0) {
		2451	if (0 && $msg =~ /\[/) {
		2452	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2453	} else {
		2454	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2455	$self->send_packet ("drawinfo $color $msg")
		2456	}
		2457	}
		2458	}
		2459	}
		2460
		2461	=item $client->ext_event ($type, %msg)
		2462
		2463	Sends an ext event to the client.
		2464
		2465	=cut
		2466
		2467	sub cf::client::ext_event($$%) {
		2468	my ($self, $type, %msg) = @_;
		2469
		2470	$msg{msgtype} = "event_$type";
		2471	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2472	}
1902		2473
1903	=item $success = $client->query ($flags, "text", \&cb)	2474	=item $success = $client->query ($flags, "text", \&cb)
1904		2475
1905	Queues a query to the client, calling the given callback with	2476	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2477	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2478	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2479
1909	Queries can fail, so check the return code. Or don't, as queries will become	2480	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2481	become reliable at some point in the future.
1911		2482
1912	=cut	2483	=cut
1913		2484
1914	sub cf::client::query {	2485	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2486	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2494	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2495	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2496
1926	$self->send_packet ($self->{query_queue}[0][0])	2497	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2498	if @{ $self->{query_queue} } == 1;
		2499
		2500	1
1928	}	2501	}
1929		2502
1930	cf::client->attach (	2503	cf::client->attach (
		2504	on_connect => sub {
		2505	my ($ns) = @_;
		2506
		2507	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2508	},
1931	on_reply => sub {	2509	on_reply => sub {
1932	my ($ns, $msg) = @_;	2510	my ($ns, $msg) = @_;
1933		2511
1934	# this weird shuffling is so that direct followup queries	2512	# this weird shuffling is so that direct followup queries
1935	# get handled first	2513	# get handled first
1936	my $queue = delete $ns->{query_queue}	2514	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2515	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2516
1939	(shift @$queue)->[1]->($msg);	2517	(shift @$queue)->[1]->($msg);
		2518	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2519
1941	push @{ $ns->{query_queue} }, @$queue;	2520	push @{ $ns->{query_queue} }, @$queue;
1942		2521
1943	if (@{ $ns->{query_queue} } == @$queue) {	2522	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2523	if (@$queue) {
…		…
1946	} else {	2525	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2526	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2527	}
1949	}	2528	}
1950	},	2529	},
		2530	on_exticmd => sub {
		2531	my ($ns, $buf) = @_;
		2532
		2533	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2534
		2535	if (ref $msg) {
		2536	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2537	if (my %reply = $cb->($ns, $msg)) {
		2538	$reply{msgid} = $msg->{msgid};
		2539	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2540	}
		2541	}
		2542	} else {
		2543	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2544	}
		2545
		2546	cf::override;
		2547	},
1951	);	2548	);
1952		2549
1953	=item $client->async (\&cb)	2550	=item $client->async (\&cb)
1954		2551
1955	Create a new coroutine, running the specified callback. The coroutine will	2552	Create a new coroutine, running the specified callback. The coroutine will
…		…
2002		2599
2003	# here we export the classes and methods available to script code	2600	# here we export the classes and methods available to script code
2004		2601
2005	=pod	2602	=pod
2006		2603
2007	The following fucntions and emthods are available within a safe environment:	2604	The following functions and methods are available within a safe environment:
2008		2605
2009	cf::object contr pay_amount pay_player map	2606	cf::object
		2607	contr pay_amount pay_player map x y force_find force_add
		2608	insert remove
		2609
2010	cf::object::player player	2610	cf::object::player
2011	cf::player peaceful	2611	player
2012	cf::map trigger	2612
		2613	cf::player
		2614	peaceful
		2615
		2616	cf::map
		2617	trigger
2013		2618
2014	=cut	2619	=cut
2015		2620
2016	for (	2621	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	2622	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2623	insert remove)],
2018	["cf::object::player" => qw(player)],	2624	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	2625	["cf::player" => qw(peaceful)],
2020	["cf::map" => qw(trigger)],	2626	["cf::map" => qw(trigger)],
2021	) {	2627	) {
2022	no strict 'refs';	2628	no strict 'refs';
…		…
2093	=back	2699	=back
2094		2700
2095	=cut	2701	=cut
2096		2702
2097	#############################################################################	2703	#############################################################################
		2704	# the server's init and main functions
2098		2705
2099	=head2 EXTENSION DATABASE SUPPORT	2706	sub load_facedata($) {
		2707	my ($path) = @_;
2100		2708
2101	Crossfire maintains a very simple database for extension use. It can	2709	warn "loading facedata from $path\n";
2102	currently store anything that can be serialised using Storable, which
2103	excludes objects.
2104		2710
2105	The parameter C<$family> should best start with the name of the extension	2711	my $facedata;
2106	using it, it should be unique.	2712	0 < aio_load $path, $facedata
		2713	or die "$path: $!";
2107		2714
2108	=over 4	2715	$facedata = Coro::Storable::thaw $facedata;
2109		2716
2110	=item $hashref = cf::db_get $family	2717	$facedata->{version} == 2
		2718	or cf::cleanup "$path: version mismatch, cannot proceed.";
2111		2719
2112	Return a hashref for use by the extension C<$family>, which can be
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115
2116	=item $value = cf::db_get $family => $key
2117
2118	Returns a single value from the database
2119
2120	=item cf::db_put $family => $hashref
2121
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}	2720	{
		2721	my $faces = $facedata->{faceinfo};
2148		2722
2149	my $pid;	2723	while (my ($face, $info) = each %$faces) {
		2724	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2725	cf::face::set_visibility $idx, $info->{visibility};
		2726	cf::face::set_magicmap $idx, $info->{magicmap};
		2727	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2728	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2150		2729
2151	sub db_save() {	2730	cf::cede_to_tick;
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});
2171
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}
2176
2177	sub db_get($;$) {
2178	@_ >= 2
2179	? $DB->{$_[0]}{$_[1]}
2180	: ($DB->{$_[0]} ||= { })
2181	}
2182
2183	sub db_put($$;$) {
2184	if (@_ >= 3) {
2185	$DB->{$_[0]}{$_[1]} = $_[2];
2186	} else {
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191
2192	cf::global->attach (
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	2731	}
2197	);
2198	}
2199		2732
2200	#############################################################################	2733	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	2734	next unless $info->{smooth};
		2735	my $idx = cf::face::find $face
		2736	or next;
		2737	if (my $smooth = cf::face::find $info->{smooth}) {
		2738	cf::face::set_smooth $idx, $smooth;
		2739	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2740	} else {
		2741	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2742	}
		2743
		2744	cf::cede_to_tick;
		2745	}
		2746	}
		2747
		2748	{
		2749	my $anims = $facedata->{animinfo};
		2750
		2751	while (my ($anim, $info) = each %$anims) {
		2752	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2753	cf::cede_to_tick;
		2754	}
		2755
		2756	cf::anim::invalidate_all; # d'oh
		2757	}
		2758
		2759	{
		2760	# TODO: for gcfclient pleasure, we should give resources
		2761	# that gcfclient doesn't grok a >10000 face index.
		2762	my $res = $facedata->{resource};
		2763	my $enc = JSON::XS->new->utf8->canonical;
		2764
		2765	while (my ($name, $info) = each %$res) {
		2766	my $meta = $enc->encode ({
		2767	name => $name,
		2768	type => $info->{type},
		2769	copyright => $info->{copyright}, #TODO#
		2770	});
		2771	my $data = pack "(w/a*)*", $meta, $info->{data};
		2772	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2773
		2774	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2775	cf::face::set_type $idx, 1;
		2776	cf::face::set_data $idx, 0, $data, $chk;
		2777
		2778	cf::cede_to_tick;
		2779	}
		2780	}
		2781
		2782	1
		2783	}
		2784
		2785	sub reload_regions {
		2786	load_resource_file "$MAPDIR/regions"
		2787	or die "unable to load regions file\n";
		2788	}
		2789
		2790	sub reload_facedata {
		2791	load_facedata "$DATADIR/facedata"
		2792	or die "unable to load facedata\n";
		2793	}
		2794
		2795	sub reload_archetypes {
		2796	load_resource_file "$DATADIR/archetypes"
		2797	or die "unable to load archetypes\n";
		2798	#d# NEED to laod twice to resolve forward references
		2799	# this really needs to be done in an extra post-pass
		2800	# (which needs to be synchronous, so solve it differently)
		2801	load_resource_file "$DATADIR/archetypes"
		2802	or die "unable to load archetypes\n";
		2803	}
		2804
		2805	sub reload_treasures {
		2806	load_resource_file "$DATADIR/treasures"
		2807	or die "unable to load treasurelists\n";
		2808	}
		2809
		2810	sub reload_resources {
		2811	warn "reloading resource files...\n";
		2812
		2813	reload_regions;
		2814	reload_facedata;
		2815	#reload_archetypes;#d#
		2816	reload_archetypes;
		2817	reload_treasures;
		2818
		2819	warn "finished reloading resource files\n";
		2820	}
		2821
		2822	sub init {
		2823	reload_resources;
		2824	}
2202		2825
2203	sub cfg_load {	2826	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	2827	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	2828	or return;
2206		2829
2207	local $/;	2830	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	2831	*CFG = YAML::Syck::Load <$fh>;
2209		2832
…		…
2223		2846
2224	sub main {	2847	sub main {
2225	# we must not ever block the main coroutine	2848	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	2849	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2850	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2851	(async {
2228	async { Event::one_event };	2852	Event::one_event;
		2853	})->prio (Coro::PRIO_MAX);
2229	};	2854	};
2230		2855
2231	cfg_load;	2856	cfg_load;
2232	db_load;	2857	db_init;
2233	load_extensions;	2858	load_extensions;
		2859
		2860	$TICK_WATCHER->start;
2234	Event::loop;	2861	Event::loop;
2235	}	2862	}
2236		2863
2237	#############################################################################	2864	#############################################################################
2238	# initialisation and cleanup	2865	# initialisation and cleanup
2239		2866
2240	# install some emergency cleanup handlers	2867	# install some emergency cleanup handlers
2241	BEGIN {	2868	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	2869	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	2870	Event->signal (
		2871	reentrant => 0,
2244	data => WF_AUTOCANCEL,	2872	data => WF_AUTOCANCEL,
2245	signal => $signal,	2873	signal => $signal,
		2874	prio => 0,
2246	cb => sub {	2875	cb => sub {
2247	cf::cleanup "SIG$signal";	2876	cf::cleanup "SIG$signal";
2248	},	2877	},
2249	);	2878	);
2250	}	2879	}
2251	}	2880	}
2252		2881
		2882	sub write_runtime {
		2883	my $runtime = "$LOCALDIR/runtime";
		2884
		2885	# first touch the runtime file to show we are still running:
		2886	# the fsync below can take a very very long time.
		2887
		2888	IO::AIO::aio_utime $runtime, undef, undef;
		2889
		2890	my $guard = cf::lock_acquire "write_runtime";
		2891
		2892	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2893	or return;
		2894
		2895	my $value = $cf::RUNTIME + 90 + 10;
		2896	# 10 is the runtime save interval, for a monotonic clock
		2897	# 60 allows for the watchdog to kill the server.
		2898
		2899	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2900	and return;
		2901
		2902	# always fsync - this file is important
		2903	aio_fsync $fh
		2904	and return;
		2905
		2906	# touch it again to show we are up-to-date
		2907	aio_utime $fh, undef, undef;
		2908
		2909	close $fh
		2910	or return;
		2911
		2912	aio_rename "$runtime~", $runtime
		2913	and return;
		2914
		2915	warn "runtime file written.\n";
		2916
		2917	1
		2918	}
		2919
2253	sub emergency_save() {	2920	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	2921	my $freeze_guard = cf::freeze_mainloop;
2255		2922
2256	warn "enter emergency perl save\n";	2923	warn "enter emergency perl save\n";
2257		2924
2258	cf::sync_job {	2925	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	2926	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	2927	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	2928	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	2929	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	2930	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	2931	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	2932	$pl->valid or next;
2266	$pl->save;	2933	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	2939	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	2940	$map->valid or next;
2274	$map->save;	2941	$map->save;
2275	}	2942	}
2276	warn "end emergency map save\n";	2943	warn "end emergency map save\n";
		2944
		2945	warn "begin emergency database checkpoint\n";
		2946	BDB::db_env_txn_checkpoint $DB_ENV;
		2947	warn "end emergency database checkpoint\n";
2277	};	2948	};
2278		2949
2279	warn "leave emergency perl save\n";	2950	warn "leave emergency perl save\n";
2280	}	2951	}
2281		2952
		2953	sub post_cleanup {
		2954	my ($make_core) = @_;
		2955
		2956	warn Carp::longmess "post_cleanup backtrace"
		2957	if $make_core;
		2958	}
		2959
2282	sub reload() {	2960	sub do_reload_perl() {
2283	# can/must only be called in main	2961	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	2962	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	2963	warn "can only reload from main coroutine";
2286	return;	2964	return;
2287	}	2965	}
2288		2966
2289	warn "reloading...";	2967	warn "reloading...";
2290		2968
2291	warn "freezing server";	2969	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	2970
		2971	cf::sync_job {
		2972	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	2973	cf::emergency_save;
		2974	cf::write_runtime; # external watchdog should not bark
2294		2975
2295	warn "sync database to disk";	2976	warn "syncing database to disk";
2296	cf::db_sync;	2977	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		2978
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	2979	# if anything goes wrong in here, we should simply crash as we already saved
2301		2980
2302	warn "cancel all watchers";	2981	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	2982	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	2983	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	2984	}
2306		2985
		2986	warn "flushing outstanding aio requests";
		2987	for (;;) {
		2988	BDB::flush;
		2989	IO::AIO::flush;
		2990	Coro::cede;
		2991	last unless IO::AIO::nreqs || BDB::nreqs;
		2992	warn "iterate...";
		2993	}
		2994
		2995	++$RELOAD;
		2996
2307	warn "cancel all extension coros";	2997	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	2998	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	2999	%EXT_CORO = ();
2310		3000
2311	warn "remove commands";	3001	warn "removing commands";
2312	%COMMAND = ();	3002	%COMMAND = ();
2313		3003
2314	warn "remove ext commands";	3004	warn "removing ext/exti commands";
2315	%EXTCMD = ();	3005	%EXTCMD = ();
		3006	%EXTICMD = ();
2316		3007
2317	warn "unload/nuke all extensions";	3008	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	3009	for my $pkg (@EXTS) {
2319	warn "... unloading $pkg";	3010	warn "... unloading $pkg";
2320		3011
2321	if (my $cb = $pkg->can ("unload")) {	3012	if (my $cb = $pkg->can ("unload")) {
2322	eval {	3013	eval {
…		…
2327		3018
2328	warn "... nuking $pkg";	3019	warn "... nuking $pkg";
2329	Symbol::delete_package $pkg;	3020	Symbol::delete_package $pkg;
2330	}	3021	}
2331		3022
2332	warn "unload all perl modules loaded from $LIBDIR";	3023	warn "unloading all perl modules loaded from $LIBDIR";
2333	while (my ($k, $v) = each %INC) {	3024	while (my ($k, $v) = each %INC) {
2334	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3025	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2335		3026
2336	warn "removing <$k>";	3027	warn "... unloading $k";
2337	delete $INC{$k};	3028	delete $INC{$k};
2338		3029
2339	$k =~ s/\.pm$//;	3030	$k =~ s/\.pm$//;
2340	$k =~ s/\//::/g;	3031	$k =~ s/\//::/g;
2341		3032
…		…
2344	}	3035	}
2345		3036
2346	Symbol::delete_package $k;	3037	Symbol::delete_package $k;
2347	}	3038	}
2348		3039
2349	warn "get rid of safe::, as good as possible";	3040	warn "getting rid of safe::, as good as possible";
2350	Symbol::delete_package "safe::$_"	3041	Symbol::delete_package "safe::$_"
2351	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3042	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2352		3043
2353	warn "unload cf.pm \"a bit\"";	3044	warn "unloading cf.pm \"a bit\"";
2354	delete $INC{"cf.pm"};	3045	delete $INC{"cf.pm"};
		3046	delete $INC{"cf/pod.pm"};
2355		3047
2356	# don't, removes xs symbols, too,	3048	# don't, removes xs symbols, too,
2357	# and global variables created in xs	3049	# and global variables created in xs
2358	#Symbol::delete_package __PACKAGE__;	3050	#Symbol::delete_package __PACKAGE__;
2359		3051
		3052	warn "unload completed, starting to reload now";
		3053
2360	warn "reloading cf.pm";	3054	warn "reloading cf.pm";
2361	require cf;	3055	require cf;
2362	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3056	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2363		3057
2364	warn "load config and database again";	3058	warn "loading config and database again";
2365	cf::cfg_load;	3059	cf::cfg_load;
2366	cf::db_load;
2367		3060
2368	warn "load extensions";	3061	warn "loading extensions";
2369	cf::load_extensions;	3062	cf::load_extensions;
2370		3063
2371	warn "reattach attachments to objects/players";	3064	warn "reattaching attachments to objects/players";
2372	_global_reattach;	3065	_global_reattach; # objects, sockets
2373	warn "reattach attachments to maps";	3066	warn "reattaching attachments to maps";
2374	reattach $_ for values %MAP;	3067	reattach $_ for values %MAP;
2375	};	3068	warn "reattaching attachments to players";
		3069	reattach $_ for values %PLAYER;
2376		3070
2377	if ($@) {	3071	warn "leaving sync_job";
		3072
		3073	1
		3074	} or do {
2378	warn $@;	3075	warn $@;
2379	warn "error while reloading, exiting.";	3076	warn "error while reloading, exiting.";
2380	exit 1;	3077	exit 1;
2381	}	3078	};
2382		3079
2383	warn "reloaded";	3080	warn "reloaded";
2384	};	3081	};
2385		3082
2386	#############################################################################	3083	our $RELOAD_WATCHER; # used only during reload
2387		3084
2388	unless ($LINK_MAP) {	3085	sub reload_perl() {
2389	$LINK_MAP = cf::map::new;	3086	# doing reload synchronously and two reloads happen back-to-back,
		3087	# coro crashes during coro_state_free->destroy here.
2390		3088
2391	$LINK_MAP->width (41);	3089	$RELOAD_WATCHER ||= Event->timer (
2392	$LINK_MAP->height (41);	3090	reentrant => 0,
2393	$LINK_MAP->alloc;
2394	$LINK_MAP->path ("{link}");
2395	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2396	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2397
2398	# dirty hack because... archetypes are not yet loaded
2399	Event->timer (
2400	after => 10,	3091	after => 0,
		3092	data => WF_AUTOCANCEL,
2401	cb => sub {	3093	cb => sub {
2402	$_[0]->w->cancel;	3094	do_reload_perl;
2403		3095	undef $RELOAD_WATCHER;
2404	# provide some exits "home"
2405	my $exit = cf::object::new "exit";
2406
2407	$exit->slaying ($EMERGENCY_POSITION->[0]);
2408	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2409	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2410
2411	$LINK_MAP->insert ($exit->clone, 19, 19);
2412	$LINK_MAP->insert ($exit->clone, 19, 20);
2413	$LINK_MAP->insert ($exit->clone, 19, 21);
2414	$LINK_MAP->insert ($exit->clone, 20, 19);
2415	$LINK_MAP->insert ($exit->clone, 20, 21);
2416	$LINK_MAP->insert ($exit->clone, 21, 19);
2417	$LINK_MAP->insert ($exit->clone, 21, 20);
2418	$LINK_MAP->insert ($exit->clone, 21, 21);
2419
2420	$exit->destroy;
2421	});	3096	},
2422		3097	);
2423	$LINK_MAP->{deny_save} = 1;
2424	$LINK_MAP->{deny_reset} = 1;
2425
2426	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2427	}	3098	}
2428		3099
2429	register_command "reload" => sub {	3100	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	3101	my ($who, $arg) = @_;
2431		3102
2432	if ($who->flag (FLAG_WIZ)) {	3103	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("start of reload.");
2434	reload;
2435	$who->message ("end of reload.");	3104	$who->message ("reloading server.");
		3105	async { reload_perl };
2436	}	3106	}
2437	};	3107	};
2438		3108
2439	unshift @INC, $LIBDIR;	3109	unshift @INC, $LIBDIR;
2440		3110
		3111	my $bug_warning = 0;
		3112
		3113	our @WAIT_FOR_TICK;
		3114	our @WAIT_FOR_TICK_BEGIN;
		3115
		3116	sub wait_for_tick {
		3117	return unless $TICK_WATCHER->is_active;
		3118	return if $Coro::current == $Coro::main;
		3119
		3120	my $signal = new Coro::Signal;
		3121	push @WAIT_FOR_TICK, $signal;
		3122	$signal->wait;
		3123	}
		3124
		3125	sub wait_for_tick_begin {
		3126	return unless $TICK_WATCHER->is_active;
		3127	return if $Coro::current == $Coro::main;
		3128
		3129	my $signal = new Coro::Signal;
		3130	push @WAIT_FOR_TICK_BEGIN, $signal;
		3131	$signal->wait;
		3132	}
		3133
		3134	my $min = 1e6;#d#
		3135	my $avg = 10;
2441	$TICK_WATCHER = Event->timer (	3136	$TICK_WATCHER = Event->timer (
2442	reentrant => 0,	3137	reentrant => 0,
		3138	parked => 1,
2443	prio => 0,	3139	prio => 0,
2444	at => $NEXT_TICK || $TICK,	3140	at => $NEXT_TICK || $TICK,
2445	data => WF_AUTOCANCEL,	3141	data => WF_AUTOCANCEL,
2446	cb => sub {	3142	cb => sub {
		3143	if ($Coro::current != $Coro::main) {
		3144	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3145	unless ++$bug_warning > 10;
		3146	return;
		3147	}
		3148
		3149	$NOW = $tick_start = Event::time;
		3150
2447	cf::server_tick; # one server iteration	3151	cf::server_tick; # one server iteration
		3152
		3153	0 && sync_job {#d#
		3154	for(1..10) {
		3155	my $t = Event::time;
		3156	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3157	or die;
		3158
		3159	$map->width (50);
		3160	$map->height (50);
		3161	$map->alloc;
		3162	$map->_load_objects ("/tmp/x.map", 1);
		3163	my $t = Event::time - $t;
		3164
		3165	#next unless $t < 0.0013;#d#
		3166	if ($t < $min) {
		3167	$min = $t;
		3168	}
		3169	$avg = $avg * 0.99 + $t * 0.01;
		3170	}
		3171	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3172	exit 0;
		3173	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3174	};
		3175
2448	$RUNTIME += $TICK;	3176	$RUNTIME += $TICK;
2449	$NEXT_TICK += $TICK;	3177	$NEXT_TICK += $TICK;
2450		3178
2451	$WAIT_FOR_TICK->broadcast;	3179	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2452	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3180	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3181	Coro::async_pool {
		3182	write_runtime
		3183	or warn "ERROR: unable to write runtime file: $!";
		3184	};
		3185	}
		3186
		3187	# my $AFTER = Event::time;
		3188	# warn $AFTER - $NOW;#d#
		3189
		3190	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3191	$sig->send;
		3192	}
		3193	while (my $sig = shift @WAIT_FOR_TICK) {
		3194	$sig->send;
		3195	}
		3196
		3197	$NOW = Event::time;
2453		3198
2454	# if we are delayed by four ticks or more, skip them all	3199	# if we are delayed by four ticks or more, skip them all
2455	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3200	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2456		3201
2457	$TICK_WATCHER->at ($NEXT_TICK);	3202	$TICK_WATCHER->at ($NEXT_TICK);
2458	$TICK_WATCHER->start;	3203	$TICK_WATCHER->start;
		3204
		3205	$LOAD = ($NOW - $tick_start) / $TICK;
		3206	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3207
		3208	_post_tick;
		3209
		3210
2459	},	3211	},
2460	);	3212	);
2461		3213
		3214	{
2462	IO::AIO::max_poll_time $TICK * 0.2;	3215	BDB::max_poll_time $TICK * 0.1;
2463		3216	$BDB_POLL_WATCHER = Event->io (
2464	Event->io (	3217	reentrant => 0,
2465	fd => IO::AIO::poll_fileno,	3218	fd => BDB::poll_fileno,
2466	poll => 'r',	3219	poll => 'r',
2467	prio => 5,	3220	prio => 0,
2468	data => WF_AUTOCANCEL,
2469	cb => \&IO::AIO::poll_cb,
2470	);
2471
2472	Event->timer (
2473	data => WF_AUTOCANCEL,	3221	data => WF_AUTOCANCEL,
2474	after => 0,	3222	cb => \&BDB::poll_cb,
2475	interval => 10,	3223	);
2476	cb => sub {	3224	BDB::min_parallel 8;
2477	(Coro::unblock_sub {	3225
2478	write_runtime	3226	BDB::set_sync_prepare {
2479	or warn "ERROR: unable to write runtime file: $!";	3227	my $status;
		3228	my $current = $Coro::current;
		3229	(
		3230	sub {
		3231	$status = $!;
		3232	$current->ready; undef $current;
		3233	},
		3234	sub {
		3235	Coro::schedule while defined $current;
		3236	$! = $status;
		3237	},
		3238	)
		3239	};
		3240
		3241	unless ($DB_ENV) {
		3242	$DB_ENV = BDB::db_env_create;
		3243
		3244	cf::sync_job {
		3245	eval {
		3246	BDB::db_env_open
		3247	$DB_ENV,
		3248	$BDBDIR,
		3249	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3250	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3251	0666;
		3252
		3253	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3254
		3255	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3256	$DB_ENV->set_lk_detect;
		3257	};
		3258
		3259	cf::cleanup "db_env_open(db): $@" if $@;
2480	})->();	3260	};
2481	},	3261	}
2482	);	3262	}
		3263
		3264	{
		3265	IO::AIO::min_parallel 8;
		3266
		3267	undef $Coro::AIO::WATCHER;
		3268	IO::AIO::max_poll_time $TICK * 0.1;
		3269	$AIO_POLL_WATCHER = Event->io (
		3270	reentrant => 0,
		3271	data => WF_AUTOCANCEL,
		3272	fd => IO::AIO::poll_fileno,
		3273	poll => 'r',
		3274	prio => 6,
		3275	cb => \&IO::AIO::poll_cb,
		3276	);
		3277	}
		3278
		3279	my $_log_backtrace;
		3280
		3281	sub _log_backtrace {
		3282	my ($msg, @addr) = @_;
		3283
		3284	$msg =~ s/\n//;
		3285
		3286	# limit the # of concurrent backtraces
		3287	if ($_log_backtrace < 2) {
		3288	++$_log_backtrace;
		3289	async {
		3290	my @bt = fork_call {
		3291	@addr = map { sprintf "%x", $_ } @addr;
		3292	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3293	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3294	or die "addr2line: $!";
		3295
		3296	my @funcs;
		3297	my @res = <$fh>;
		3298	chomp for @res;
		3299	while (@res) {
		3300	my ($func, $line) = splice @res, 0, 2, ();
		3301	push @funcs, "[$func] $line";
		3302	}
		3303
		3304	@funcs
		3305	};
		3306
		3307	LOG llevInfo, "[ABT] $msg\n";
		3308	LOG llevInfo, "[ABT] $_\n" for @bt;
		3309	--$_log_backtrace;
		3310	};
		3311	} else {
		3312	LOG llevInfo, "[ABT] $msg\n";
		3313	LOG llevInfo, "[ABT] [suppressed]\n";
		3314	}
		3315	}
		3316
		3317	# load additional modules
		3318	use cf::pod;
2483		3319
2484	END { cf::emergency_save }	3320	END { cf::emergency_save }
2485		3321
2486	1	3322	1
2487		3323

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