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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 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
42	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
43		59
		60	our $RELOAD; # number of reloads so far
44	our @EVENT;	61	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		62
47	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(!)
48	our $TICK_WATCHER;	76	our $TICK_WATCHER;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	79	our $NEXT_TICK;
50	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;
51		85
52	our %CFG;	86	our %CFG;
53		87
54	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	89	our $RUNTIME;
56		90
57	our %PLAYER; # all users	91	our %PLAYER; # all users
58	our %MAP; # all maps	92	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	93	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		94
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	95	# used to convert map paths into valid unix filenames by replacing / by ∕
63	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 $tick_start; # for load detecting purposes
64		101
65	binmode STDOUT;	102	binmode STDOUT;
66	binmode STDERR;	103	binmode STDERR;
67		104
68	# read virtual server time, if available	105	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
73	}	110	}
74		111
75	mkdir cf::localdir;	112	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		114
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
84		118
85	#############################################################################	119	#############################################################################
86		120
87	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
88		122
…		…
95	=item $cf::RUNTIME	129	=item $cf::RUNTIME
96		130
97	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
98	every server tick.	132	every server tick.
99		133
100	=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
101		137
102	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
103	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.
104		142
105	=item $cf::NOW	143	=item $cf::NOW
106		144
107	The time of the last (current) server tick.	145	The time of the last (current) server tick.
108		146
109	=item $cf::TICK	147	=item $cf::TICK
110		148
111	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.
112		160
113	=item %cf::CFG	161	=item %cf::CFG
114		162
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	164	from wherever your confdir points to.
117		165
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		167
120	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
121	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
122	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.
123	window of cpu time available, or simply to synchronise to the server tick.
124		171
125	=back	172	=back
126		173
127	=cut	174	=cut
128		175
129	BEGIN {	176	BEGIN {
130	*CORE::GLOBAL::warn = sub {	177	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	178	my $msg = join "", @_;
132	utf8::encode $msg;
133		179
134	$msg .= "\n"	180	$msg .= "\n"
135	unless $msg =~ /\n$/;	181	unless $msg =~ /\n$/;
136		182
		183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		184
		185	utf8::encode $msg;
137	LOG llevError, $msg;	186	LOG llevError, $msg;
138	};	187	};
139	}	188	}
140		189
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@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';
146	@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)
147		197
148	# 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
149	# within the Safe compartment.	199	# within the Safe compartment.
150	for my $pkg (qw(	200	for my $pkg (qw(
151	cf::global cf::attachable	201	cf::global cf::attachable
…		…
159	}	209	}
160		210
161	$Event::DIED = sub {	211	$Event::DIED = sub {
162	warn "error in event callback: @_";	212	warn "error in event callback: @_";
163	};	213	};
		214
		215	#############################################################################
164		216
165	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
166		218
167	=over 4	219	=over 4
168		220
…		…
187	$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;
188	$d	240	$d
189	} || "[unable to dump $_[0]: '$@']";	241	} || "[unable to dump $_[0]: '$@']";
190	}	242	}
191		243
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
195		245
196	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
197		247
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
206		249
207	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
208		251
209	=cut	252	=cut
210		253
211	sub to_json($) {	254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
213	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
214	}	257	sub from_json ($) { $json_coder->decode ($_[0]) }
215		258
216	=item cf::lock_wait $string	259	=item cf::lock_wait $string
217		260
218	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
219		262
…		…
225	returned.	268	returned.
226		269
227	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
228	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
229		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
230	=cut	277	=cut
231		278
232	our %LOCK;	279	our %LOCK;
233		280
234	sub lock_wait($) {	281	sub lock_wait($) {
…		…
253	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
255	}	302	}
256	}	303	}
257		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
		309	}
		310
258	sub freeze_mainloop {	311	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
260		313
261	my $guard = Coro::guard { $TICK_WATCHER->start };	314	my $guard = Coro::guard {
		315	$TICK_WATCHER->start;
		316	};
262	$TICK_WATCHER->stop;	317	$TICK_WATCHER->stop;
263	$guard	318	$guard
264	}	319	}
265		320
266	=item cf::async { BLOCK }	321	=item cf::async { BLOCK }
…		…
273		328
274	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
275		330
276	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
277		332
278	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
281		337
282	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
285	fast or be very important.	341	fast or be very important.
…		…
288		344
289	sub sync_job(&) {	345	sub sync_job(&) {
290	my ($job) = @_;	346	my ($job) = @_;
291		347
292	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
293	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
295		353
296	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
308		366
309	while ($busy) {	367	while ($busy) {
310	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
311	}	369	}
312		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
313	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
314	} else {	379	} else {
315	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
316		381
317	$job->()	382	$job->()
…		…
336	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
337		402
338	$coro	403	$coro
339	}	404	}
340		405
341	sub write_runtime {	406	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		407
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
345	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.
346		412
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	413	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		414
351	aio_fsync $fh	415	sub _store_scalar {
352	and return;	416	open my $fh, ">", \my $buf
353		417	or die "fork_call: cannot open fh-to-buf in child : $!";
		418	Storable::store_fd $_[0], $fh;
354	close $fh	419	close $fh;
355	or return;
356		420
357	aio_rename "$runtime~", $runtime	421	$buf
358	and return;	422	}
359		423
		424	sub fork_call(&@) {
		425	my ($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 $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
360	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		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 });
361	}	593	}
362		594
363	=back	595	=back
364		596
365	=cut	597	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521		598
522	#############################################################################	599	#############################################################################
523		600
524	=head2 ATTACHABLE OBJECTS	601	=head2 ATTACHABLE OBJECTS
525		602
…		…
527	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")
528	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
529		606
530	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>
531	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
532	crossfire+).	609	Crossfire TRT).
533		610
534	=over 4	611	=over 4
535		612
536	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
537		614
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	728	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	729	our @CB_MAP = ();
653		730
654	my %attachment;	731	my %attachment;
655		732
		733	sub cf::attachable::thawer_merge {
		734	# simply override everything except _meta
		735	local $_[0]{_meta};
		736	%{$_[0]} = %{$_[1]};
		737	}
		738
656	sub _attach_cb($$$$) {	739	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	740	my ($registry, $event, $prio, $cb) = @_;
658		741
659	use sort 'stable';	742	use sort 'stable';
660		743
…		…
694	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
695		778
696	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
697	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
698	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
699	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
700		783
701	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
702	my $pkg = shift @arg;	785	my $pkg = shift @arg;
703		786
704	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
733	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
734	}	817	}
735		818
736	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
737	} else {	820	} else {
738	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
739	}	822	}
740		823
741	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
742	}	825	}
743		826
…		…
745	if (ref $_[0]) {	828	if (ref $_[0]) {
746	_object_attach @_;	829	_object_attach @_;
747	} else {	830	} else {
748	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
749	}	832	}
		833	_recalc_want;
750	};	834	};
751		835
752	# all those should be optimised	836	# all those should be optimised
753	sub cf::attachable::detach {	837	sub cf::attachable::detach {
754	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
757	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
758	reattach ($obj);	842	reattach ($obj);
759	} else {	843	} else {
760	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
761	}	845	}
		846	_recalc_want;
762	};	847	};
763		848
764	sub cf::attachable::attached {	849	sub cf::attachable::attached {
765	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
766		851
…		…
831	# object support	916	# object support
832		917
833	sub reattach {	918	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	919	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	920	my ($obj) = @_;
		921
		922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		923
837	my $registry = $obj->registry;	924	my $registry = $obj->registry;
838		925
839	@$registry = ();	926	@$registry = ();
840		927
…		…
887	$filename, length $$rdata, scalar @$objs;	974	$filename, length $$rdata, scalar @$objs;
888		975
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	977	chmod SAVE_MODE, $fh;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892	aio_fsync $fh;	979	aio_fsync $fh if $cf::USE_FSYNC;
893	close $fh;	980	close $fh;
894		981
895	if (@$objs) {	982	if (@$objs) {
896	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) {
897	chmod SAVE_MODE, $fh;	984	chmod SAVE_MODE, $fh;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	985	my $data = Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	986	aio_write $fh, 0, (length $data), $data, 0;
900	aio_fsync $fh;	987	aio_fsync $fh if $cf::USE_FSYNC;
901	close $fh;	988	close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	989	aio_rename "$filename.pst~", "$filename.pst";
903	}	990	}
904	} else {	991	} else {
905	aio_unlink "$filename.pst";	992	aio_unlink "$filename.pst";
…		…
937	or return;	1024	or return;
938	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
939	}	1026	}
940		1027
941	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
942	$filename, length $data, scalar @{$av || []};#d#	1029	$filename, length $data, scalar @{$av || []};
943	return ($data, $av);	1030	return ($data, $av);
944	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
945		1038
946	#############################################################################	1039	#############################################################################
947	# command handling &c	1040	# command handling &c
948		1041
949	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
962	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
963	}	1056	}
964		1057
965	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
966		1059
967	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.
968		1065
969	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
970	called.	1067	called.
971		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
972	=cut	1080	=cut
973		1081
974	sub register_extcmd {	1082	sub register_extcmd {
975	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
976		1084
977	$EXTCMD{$name} = $cb;	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
978	}	1092	}
979		1093
980	cf::player->attach (	1094	cf::player->attach (
981	on_command => sub {	1095	on_command => sub {
982	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
991	cf::override;	1105	cf::override;
992	},	1106	},
993	on_extcmd => sub {	1107	on_extcmd => sub {
994	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
995		1109
996	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
997		1111
998	if (ref $msg) {	1112	if (ref $msg) {
999	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
1000	if (my %reply = $cb->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
1001	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
1007		1121
1008	cf::override;	1122	cf::override;
1009	},	1123	},
1010	);	1124	);
1011		1125
1012	sub load_extension {
1013	my ($path) = @_;
1014
1015	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1016	my $base = $1;
1017	my $pkg = $1;
1018	$pkg =~ s/[^[:word:]]/_/g;
1019	$pkg = "ext::$pkg";
1020
1021	warn "... loading '$path' into '$pkg'\n";
1022
1023	open my $fh, "<:utf8", $path
1024	or die "$path: $!";
1025
1026	my $source =
1027	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })
1030	. "\n};\n1";
1031
1032	eval $source
1033	or die $@ ? "$path: $@\n"
1034	: "extension disabled.\n";
1035
1036	push @EXTS, $pkg;
1037	}
1038
1039	sub load_extensions {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
1040	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
1041	next unless -r $ext;	1131	next unless -r $path;
1042	eval {	1132
1043	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;
1044	1	1190	}
1045	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
1046	}	1196	};
1047	}	1197	}
1048		1198
1049	#############################################################################	1199	#############################################################################
1050	# load/save/clean perl data associated with a map
1051		1200
1052	*cf::mapsupport::on_clean = sub {	1201	=back
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		1202
1065	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
1066		1204
1067	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
1068		1206
…		…
1081	Returns the given player object, loading it if necessary (might block).	1219	Returns the given player object, loading it if necessary (might block).
1082		1220
1083	=cut	1221	=cut
1084		1222
1085	sub playerdir($) {	1223	sub playerdir($) {
1086	cf::localdir	1224	"$PLAYERDIR/"
1087	. "/"
1088	. cf::playerdir
1089	. "/"
1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1225	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1091	}	1226	}
1092		1227
1093	sub path($) {	1228	sub path($) {
1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1229	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095		1230
1096	(playerdir $login) . "/$login.pl"	1231	(playerdir $login) . "/playerdata"
1097	}	1232	}
1098		1233
1099	sub find_active($) {	1234	sub find_active($) {
1100	$cf::PLAYER{$_[0]}	1235	$cf::PLAYER{$_[0]}
1101	and $cf::PLAYER{$_[0]}->active	1236	and $cf::PLAYER{$_[0]}->active
…		…
1104		1239
1105	sub exists($) {	1240	sub exists($) {
1106	my ($login) = @_;	1241	my ($login) = @_;
1107		1242
1108	$cf::PLAYER{$login}	1243	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	1244	or cf::sync_job { !aio_stat path $login }
1110	}	1245	}
1111		1246
1112	sub find($) {	1247	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	1248	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	1249	my $login = $_[0];
1115		1250
1116	my $guard = cf::lock_acquire "user_find:$login";	1251	my $guard = cf::lock_acquire "user_find:$login";
1117		1252
1118	$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
1119	my $pl = load_pl path $login	1261	my $pl = load_pl path $login
1120	or return;	1262	or return;
1121	$cf::PLAYER{$login} = $pl	1263	$cf::PLAYER{$login} = $pl
1122	}	1264	}
1123	}	1265	}
…		…
1160		1302
1161	=cut	1303	=cut
1162		1304
1163	sub quit_character {	1305	sub quit_character {
1164	my ($pl) = @_;	1306	my ($pl) = @_;
		1307
		1308	my $name = $pl->ob->name;
1165		1309
1166	$pl->{deny_save} = 1;	1310	$pl->{deny_save} = 1;
1167	$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
1168		1312
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1174	my $path = playerdir $pl;	1318	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1319	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1320	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1321	delete $cf::PLAYER{$pl->ob->name};
1178	$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
1179	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;
1180	}	1344	}
1181		1345
1182	=item cf::player::list_logins	1346	=item cf::player::list_logins
1183		1347
1184	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
1185	while and may block, so not sync_job-capable, ever.	1349	while and may block, so not sync_job-capable, ever.
1186		1350
1187	=cut	1351	=cut
1188		1352
1189	sub list_logins {	1353	sub list_logins {
1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1354	my $dirs = aio_readdir $PLAYERDIR
1191	or return [];	1355	or return [];
1192		1356
1193	my @logins;	1357	my @logins;
1194		1358
1195	for my $login (@$dirs) {	1359	for my $login (@$dirs) {
…		…
1204	\@logins	1368	\@logins
1205	}	1369	}
1206		1370
1207	=item $player->maps	1371	=item $player->maps
1208		1372
1209	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
1210	player. May block.	1374	player. May block.
1211		1375
1212	=cut	1376	=cut
1213		1377
1214	sub maps($) {	1378	sub maps($) {
1215	my ($pl) = @_;	1379	my ($pl) = @_;
		1380
		1381	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1382
1217	my $files = aio_readdir playerdir $pl	1383	my $files = aio_readdir playerdir $pl
1218	or return;	1384	or return;
1219		1385
1220	my @paths;	1386	my @paths;
…		…
1222	for (@$files) {	1388	for (@$files) {
1223	utf8::decode $_;	1389	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1390	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1391	next unless /^$PATH_SEP/o;
1226		1392
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1393	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1394	}
1229		1395
1230	\@paths	1396	\@paths
1231	}	1397	}
1232		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
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1234		1450
1235	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1236		1452
1237	=cut	1453	=cut
1238		1454
1239	sub ext_reply($$$%) {	1455	sub ext_reply($$%) {
1240	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1241		1457
1242	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1243		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1244	$self->send ("ext " . cf::to_json \%msg);
1245	}	1460	}
1246		1461
1247	package cf;	1462	=item $player->ext_event ($type, %msg)
		1463
		1464	Sends an ext event to the client.
		1465
		1466	=cut
		1467
		1468	sub ext_event($$%) {
		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	}
1248		1502
1249	=back	1503	=back
1250
1251		1504
1252	=head3 cf::map	1505	=head3 cf::map
1253		1506
1254	=over 4	1507	=over 4
1255		1508
…		…
1258	package cf::map;	1511	package cf::map;
1259		1512
1260	use Fcntl;	1513	use Fcntl;
1261	use Coro::AIO;	1514	use Coro::AIO;
1262		1515
		1516	use overload
		1517	'""' => \&as_string,
		1518	fallback => 1;
		1519
1263	our $MAX_RESET = 3600;	1520	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1521	our $DEFAULT_RESET = 3000;
1265		1522
1266	sub generate_random_map {	1523	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1524	my ($self, $rmp) = @_;
1268
1269	# mit "rum" bekleckern, nicht	1525	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1526	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1530	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1531	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1534	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$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},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(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"
1283	}	1666	}
1284		1667
1285	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1286	# all maps in C++...	1669	# all maps in C++...
1287	sub change_all_map_light {	1670	sub change_all_map_light {
…		…
1289		1672
1290	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1291	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1292	}	1675	}
1293		1676
		1677	sub decay_objects {
		1678	my ($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
1294	sub load_map_header($) {	1693	sub load_header_from($) {
1295	my ($path) = @_;	1694	my ($self, $path) = @_;
1296		1695
1297	utf8::encode $path;	1696	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1697	#aio_open $path, O_RDONLY, 0
		1698	# or return;
		1699
		1700	$self->_load_header ($path)
1299	or return;	1701	or return;
1300		1702
1301	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
1302	or return;	1746	or return;
		1747	$self->prepare_orig;
		1748	}
1303		1749
1304	# for better error messages only, will be overwritten later	1750	$self->{deny_reset} = 1
1305	$map->path ($path);	1751	if $self->no_reset;
1306		1752
1307	$map->load_header ($path)	1753	$self->default_region (cf::region::find_by_path $self->{path})
1308	or return;	1754	unless $self->default_region;
1309		1755
1310	$map->{load_path} = $path;	1756	1
1311
1312	$map
1313	}	1757	}
1314		1758
1315	sub find;	1759	sub find;
1316	sub find {	1760	sub find {
1317	my ($path, $origin) = @_;	1761	my ($path, $origin) = @_;
1318		1762
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1763	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1764
1324	cf::lock_wait "map_find:$key";	1765	cf::lock_wait "map_find:$path";
1325		1766
1326	$cf::MAP{$key} || do {	1767	$cf::MAP{$path} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1768	my $guard = cf::lock_acquire "map_find:$path";
1328		1769	my $map = new_from_path cf::map $path
1329	# do it the slow way
1330	my $map = $path->load_temp;
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	1770	or return;
1343		1771
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1356		1773
1357	Coro::cede;	1774	$map->load_header
		1775	or return;
1358		1776
1359	if ($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;
1360	$map->reset;	1780	$map->reset;
1361	undef $guard;	1781	undef $guard;
1362	$map = find $path	1782	return find $path;
1363	or return;
1364	}	1783	}
1365		1784
1366	$cf::MAP{$key} = $map	1785	$cf::MAP{$path} = $map
1367	}	1786	}
1368	}	1787	}
		1788
		1789	sub pre_load { }
		1790	sub post_load { }
1369		1791
1370	sub load {	1792	sub load {
1371	my ($self) = @_;	1793	my ($self) = @_;
1372		1794
		1795	local $self->{deny_reset} = 1; # loading can take a long time
		1796
1373	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1800	my $guard = cf::lock_acquire "map_load:$path";
1375		1801
1376	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1377		1803
1378	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1379		1805
1380	$self->alloc;	1806	$self->alloc;
		1807
		1808	$self->pre_load;
		1809	Coro::cede;
		1810
1381	$self->load_objects ($self->{load_path}, 1)	1811	$self->_load_objects ($self->{load_path}, 1)
1382	or return;	1812	or return;
1383		1813
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385	if delete $self->{load_original};	1815	if delete $self->{load_original};
1386		1816
1387	if (my $uniq = $path->uniq_path) {	1817	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	1818	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	1819	if (aio_open $uniq, O_RDONLY, 0) {
1390	$self->clear_unique_items;	1820	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	1821	$self->_load_objects ($uniq, 0);
1392	}	1822	}
1393	}	1823	}
1394		1824
1395	Coro::cede;	1825	Coro::cede;
1396
1397	# now do the right thing for maps	1826	# now do the right thing for maps
1398	$self->link_multipart_objects;	1827	$self->link_multipart_objects;
1399
1400	if ($self->{path}->is_style_map) {
1401	$self->{deny_save} = 1;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;
1407	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1409	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;
1410	$self->activate;	1839	$self->activate;
1411	}	1840	}
1412		1841
1413	Coro::cede;
1414
1415	$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	$self
1416	}	1858	}
1417		1859
1418	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	1861	sub load_diag {
1420	my ($map) = @_;	1862	my ($map) = @_;
…		…
1450		1892
1451	cf::sync_job { $map->load };	1893	cf::sync_job { $map->load };
1452	}	1894	}
1453		1895
1454	our %MAP_PREFETCH;	1896	our %MAP_PREFETCH;
1455	our $MAP_PREFETCHER = Coro::async {	1897	our $MAP_PREFETCHER = undef;
1456	while () {
1457	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH
1459	or next;
1460	my $path = delete $MAP_PREFETCH{$key};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}
1466	Coro::schedule;
1467	}
1468	};
1469		1898
1470	sub find_async {	1899	sub find_async {
1471	my ($path, $origin) = @_;	1900	my ($path, $origin) = @_;
1472		1901
1473	$path = new cf::path $path, $origin && $origin->path;	1902	$path = normalise $path, $origin && $origin->{path};
1474	my $key = $path->as_string;
1475		1903
1476	if (my $map = $cf::MAP{$key}) {	1904	if (my $map = $cf::MAP{$path}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}	1906	}
1479		1907
1480	$MAP_PREFETCH{$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	};
1481	$MAP_PREFETCHER->ready;	1921	$MAP_PREFETCHER->prio (6);
1482		1922
1483	()	1923	()
1484	}	1924	}
1485		1925
1486	sub save {	1926	sub save {
…		…
1490		1930
1491	$self->{last_save} = $cf::RUNTIME;	1931	$self->{last_save} = $cf::RUNTIME;
1492		1932
1493	return unless $self->dirty;	1933	return unless $self->dirty;
1494		1934
1495	my $save = $self->{path}->save_path; utf8::encode $save;	1935	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1936	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		1937
1498	$self->{load_path} = $save;	1938	$self->{load_path} = $save;
1499		1939
1500	return if $self->{deny_save};	1940	return if $self->{deny_save};
1501		1941
…		…
1504	cf::async {	1944	cf::async {
1505	$_->contr->save for $self->players;	1945	$_->contr->save for $self->players;
1506	};	1946	};
1507		1947
1508	if ($uniq) {	1948	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	1951	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	1953	}
1514	}	1954	}
1515		1955
1516	sub swap_out {	1956	sub swap_out {
1517	my ($self) = @_;	1957	my ($self) = @_;
…		…
1531		1971
1532	sub reset_at {	1972	sub reset_at {
1533	my ($self) = @_;	1973	my ($self) = @_;
1534		1974
1535	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};
1537	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1538		1977
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		1980
…		…
1546	my ($self) = @_;	1985	my ($self) = @_;
1547		1986
1548	$self->reset_at <= $cf::RUNTIME	1987	$self->reset_at <= $cf::RUNTIME
1549	}	1988	}
1550		1989
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	1990	sub reset {
1573	my ($self) = @_;	1991	my ($self) = @_;
1574		1992
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		1994
1577	return if $self->players;	1995	return if $self->players;
1578	return if $self->{path}{user_rel};#d#
1579		1996
1580	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	}
1581		2008
1582	delete $cf::MAP{$self->path};	2009	delete $cf::MAP{$self->path};
		2010
		2011	$self->clear;
1583		2012
1584	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1585		2014
1586	$self->unlink_save;	2015	$self->unlink_save;
1587	$self->destroy;	2016	$self->destroy;
…		…
1590	my $nuke_counter = "aaaa";	2019	my $nuke_counter = "aaaa";
1591		2020
1592	sub nuke {	2021	sub nuke {
1593	my ($self) = @_;	2022	my ($self) = @_;
1594		2023
		2024	delete $cf::MAP{$self->path};
		2025
		2026	$self->unlink_save;
		2027
		2028	bless $self, "cf::map";
		2029	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	2030	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	2031	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2033
		2034	$cf::MAP{$self->path} = $self;
		2035
1598	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1599	}	2037	}
1600		2038
1601	sub customise_for {	2039	=item $maps = cf::map::tmp_maps
1602	my ($map, $ob) = @_;
1603		2040
1604	if ($map->per_player) {	2041	Returns an arrayref with all map paths of currently instantiated and saved
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
1606	}	2047	[
		2048	map {
		2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
		2055	}
1607		2056
1608	$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	]
1609	}	2073	}
1610		2074
1611	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1612		2076
1613	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
1614	instantiated unique items. May block.	2078	instantiated unique items. May block.
1615		2079
1616	=cut	2080	=cut
1617		2081
1618	sub unique_maps() {	2082	sub unique_maps() {
1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2083	[
1620	or return;	2084	map {
1621
1622	my @paths;
1623
1624	for (@$files) {
1625	utf8::decode $_;	2085	utf8::decode $_;
1626	next if /\.pst$/;	2086	/\.map$/
1627	next unless /^$PATH_SEP/o;	2087	? normalise $_
1628		2088	: ()
1629	push @paths, new cf::path $_;	2089	} @{ aio_readdir $UNIQUEDIR or [] }
1630	}	2090	]
1631
1632	\@paths
1633	}	2091	}
1634		2092
1635	package cf;	2093	package cf;
1636		2094
1637	=back	2095	=back
…		…
1683		2141
1684	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1685		2143
1686	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1687	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1688	} 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 {
1689	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1690	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1691	}	2163	}
1692	}	2164	}
1693		2165
1694	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1695		2167
…		…
1709		2181
1710	=item $player_object->enter_link	2182	=item $player_object->enter_link
1711		2183
1712	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}>).
1713		2185
1714	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
1715	I<MUST> call C<leave_link> as soon as possible, though.	2187	I<MUST> call C<leave_link> as soon as possible, though.
1716		2188
		2189	Will never block.
		2190
1717	=item $player_object->leave_link ($map, $x, $y)	2191	=item $player_object->leave_link ($map, $x, $y)
1718		2192
1719	Moves the player out of the specila link map onto the given map. If the	2193	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	2194	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	2195	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	2196	fails, to the emergency map position.
1723		2197
1724	Might block.	2198	Might block.
1725		2199
1726	=cut	2200	=cut
		2201
		2202	sub link_map {
		2203	unless ($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	$LINK_MAP
		2210	}
1727		2211
1728	sub cf::object::player::enter_link {	2212	sub cf::object::player::enter_link {
1729	my ($self) = @_;	2213	my ($self) = @_;
1730		2214
1731	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1732		2216
1733	return if $self->map == $LINK_MAP;	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		2218
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1737		2221
1738	$self->enter_map ($LINK_MAP, 20, 20);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	2223	}
1740		2224
1741	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1743		2229
1744	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1745		2231
1746	unless ($map) {	2232	unless ($map) {
1747	# restore original map position	2233	# restore original map position
…		…
1765	$map->load;	2251	$map->load;
1766	$map->load_diag;	2252	$map->load_diag;
1767		2253
1768	return unless $self->contr->active;	2254	return unless $self->contr->active;
1769	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1771	}	2259	}
1772		2260
1773	cf::player->attach (
1774	on_logout => sub {
1775	my ($pl) = @_;
1776
1777	# abort map switching before logout
1778	if ($pl->ob->{_link_pos}) {
1779	cf::sync_job {
1780	$pl->ob->leave_link
1781	};
1782	}
1783	},
1784	on_login => sub {
1785	my ($pl) = @_;
1786
1787	# try to abort aborted map switching on player login :)
1788	# should happen only on crashes
1789	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;
1791	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "
1796	. "the server will try to bring you to your intended destination in a second.",
1797	cf::NDI_RED);
1798	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;
1800	})->prio (2);
1801	}
1802	},
1803	);
1804
1805	=item $player_object->goto ($path, $x, $y)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1806		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
1807	=cut	2268	=cut
		2269
		2270	our $GOTOGEN;
1808		2271
1809	sub cf::object::player::goto {	2272	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	2273	my ($self, $path, $x, $y, $check) = @_;
1811		2274
1812	$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;
1813		2277
1814	$self->enter_link;	2278	$self->enter_link;
1815		2279
1816	(async {	2280	(async {
		2281	my $map = eval {
1817	my $map = cf::map::find $path->as_string;	2282	my $map = cf::map::find $path;
		2283
		2284	if ($map) {
1818	$map = $map->customise_for ($self) if $map;	2285	$map = $map->customise_for ($self);
1819		2286	$map = $check->($map) if $check && $map;
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	2287	} else {
1821	# if $map;
1822
1823	$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	}
1824		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};
1825	$self->leave_link ($map, $x, $y);	2301	$self->leave_link ($map, $x, $y);
		2302	}
1826	})->prio (1);	2303	})->prio (1);
1827	}	2304	}
1828		2305
1829	=item $player_object->enter_exit ($exit_object)	2306	=item $player_object->enter_exit ($exit_object)
1830		2307
…		…
1832		2309
1833	sub parse_random_map_params {	2310	sub parse_random_map_params {
1834	my ($spec) = @_;	2311	my ($spec) = @_;
1835		2312
1836	my $rmp = { # defaults	2313	my $rmp = { # defaults
1837	xsize => 10,	2314	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	2315	ysize => (cf::rndm 15, 40),
		2316	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2317	#layout => string,
1839	};	2318	};
1840		2319
1841	for (split /\n/, $spec) {	2320	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	2321	my ($k, $v) = split /\s+/, $_, 2;
1843		2322
…		…
1847	$rmp	2326	$rmp
1848	}	2327	}
1849		2328
1850	sub prepare_random_map {	2329	sub prepare_random_map {
1851	my ($exit) = @_;	2330	my ($exit) = @_;
		2331
		2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
1852		2333
1853	# all this does is basically replace the /! path by	2334	# all this does is basically replace the /! path by
1854	# a new random map path (?random/...) with a seed	2335	# a new random map path (?random/...) with a seed
1855	# that depends on the exit object	2336	# that depends on the exit object
1856		2337
1857	my $rmp = parse_random_map_params $exit->msg;	2338	my $rmp = parse_random_map_params $exit->msg;
1858		2339
1859	if ($exit->map) {	2340	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	2341	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	2342	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	2343	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	2344	$rmp->{origin_y} = $exit->y;
1864	}	2345	}
1865		2346
1866	$rmp->{random_seed} ||= $exit->random_seed;	2347	$rmp->{random_seed} ||= $exit->random_seed;
1867		2348
1868	my $data = cf::to_json $rmp;	2349	my $data = cf::to_json $rmp;
1869	my $md5 = Digest::MD5::md5_hex $data;	2350	my $md5 = Digest::MD5::md5_hex $data;
		2351	my $meta = "$RANDOMDIR/$md5.meta";
1870		2352
1871	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) {
1872	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;
1873		2357
1874	$exit->slaying ("?random/$md5");	2358	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	2359	$exit->msg (undef);
1876	}	2360	}
1877	}	2361	}
…		…
1879	sub cf::object::player::enter_exit {	2363	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	2364	my ($self, $exit) = @_;
1881		2365
1882	return unless $self->type == cf::PLAYER;	2366	return unless $self->type == cf::PLAYER;
1883		2367
		2368	if ($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
1884	$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);
1885		2384
1886	(async {	2385	(async {
1887	$self->deactivate_recursive; # just to be sure	2386	$self->deactivate_recursive; # just to be sure
1888	unless (eval {	2387	unless (eval {
1889	prepare_random_map $exit	2388	$self->goto ($slaying, $hp, $sp);
1890	if $exit->slaying eq "/!";
1891
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1894		2389
1895	1;	2390	1;
1896	}) {	2391	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	2392	$self->message ("Something went wrong deep within the crossfire server. "
1898	. "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. "
1899	. "Please report this to the dungeon master!",	2394	. "Please report this to the dungeon master!",
1900	cf::NDI_UNIQUE | cf::NDI_RED);	2395	cf::NDI_UNIQUE | cf::NDI_RED);
1901		2396
1902	warn "ERROR in enter_exit: $@";	2397	warn "ERROR in enter_exit: $@";
1903	$self->leave_link;	2398	$self->leave_link;
1904	}	2399	}
1905	})->prio (1);	2400	})->prio (1);
…		…
1918		2413
1919	sub cf::client::send_drawinfo {	2414	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2415	my ($self, $text, $flags) = @_;
1921		2416
1922	utf8::encode $text;	2417	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2419	}
1925		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	}
1926		2473
1927	=item $success = $client->query ($flags, "text", \&cb)	2474	=item $success = $client->query ($flags, "text", \&cb)
1928		2475
1929	Queues a query to the client, calling the given callback with	2476	Queues a query to the client, calling the given callback with
1930	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>,
1931	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>.
1932		2479
1933	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
1934	reliable at some point in the future.	2481	become reliable at some point in the future.
1935		2482
1936	=cut	2483	=cut
1937		2484
1938	sub cf::client::query {	2485	sub cf::client::query {
1939	my ($self, $flags, $text, $cb) = @_;	2486	my ($self, $flags, $text, $cb) = @_;
…		…
1947	utf8::encode $text;	2494	utf8::encode $text;
1948	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2495	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1949		2496
1950	$self->send_packet ($self->{query_queue}[0][0])	2497	$self->send_packet ($self->{query_queue}[0][0])
1951	if @{ $self->{query_queue} } == 1;	2498	if @{ $self->{query_queue} } == 1;
		2499
		2500	1
1952	}	2501	}
1953		2502
1954	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	},
1955	on_reply => sub {	2509	on_reply => sub {
1956	my ($ns, $msg) = @_;	2510	my ($ns, $msg) = @_;
1957		2511
1958	# this weird shuffling is so that direct followup queries	2512	# this weird shuffling is so that direct followup queries
1959	# get handled first	2513	# get handled first
1960	my $queue = delete $ns->{query_queue}	2514	my $queue = delete $ns->{query_queue}
1961	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
1962		2516
1963	(shift @$queue)->[1]->($msg);	2517	(shift @$queue)->[1]->($msg);
		2518	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2519
1965	push @{ $ns->{query_queue} }, @$queue;	2520	push @{ $ns->{query_queue} }, @$queue;
1966		2521
1967	if (@{ $ns->{query_queue} } == @$queue) {	2522	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	2523	if (@$queue) {
…		…
1970	} else {	2525	} else {
1971	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2526	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1972	}	2527	}
1973	}	2528	}
1974	},	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	},
1975	);	2548	);
1976		2549
1977	=item $client->async (\&cb)	2550	=item $client->async (\&cb)
1978		2551
1979	Create a new coroutine, running the specified callback. The coroutine will	2552	Create a new coroutine, running the specified callback. The coroutine will
…		…
2026		2599
2027	# here we export the classes and methods available to script code	2600	# here we export the classes and methods available to script code
2028		2601
2029	=pod	2602	=pod
2030		2603
2031	The following fucntions and emthods are available within a safe environment:	2604	The following functions and methods are available within a safe environment:
2032		2605
2033	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
2034	cf::object::player player	2610	cf::object::player
2035	cf::player peaceful	2611	player
2036	cf::map trigger	2612
		2613	cf::player
		2614	peaceful
		2615
		2616	cf::map
		2617	trigger
2037		2618
2038	=cut	2619	=cut
2039		2620
2040	for (	2621	for (
2041	["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)],
2042	["cf::object::player" => qw(player)],	2624	["cf::object::player" => qw(player)],
2043	["cf::player" => qw(peaceful)],	2625	["cf::player" => qw(peaceful)],
2044	["cf::map" => qw(trigger)],	2626	["cf::map" => qw(trigger)],
2045	) {	2627	) {
2046	no strict 'refs';	2628	no strict 'refs';
…		…
2117	=back	2699	=back
2118		2700
2119	=cut	2701	=cut
2120		2702
2121	#############################################################################	2703	#############################################################################
		2704	# the server's init and main functions
2122		2705
2123	=head2 EXTENSION DATABASE SUPPORT	2706	sub load_facedata($) {
		2707	my ($path) = @_;
2124		2708
2125	Crossfire maintains a very simple database for extension use. It can	2709	warn "loading facedata from $path\n";
2126	currently store anything that can be serialised using Storable, which
2127	excludes objects.
2128		2710
2129	The parameter C<$family> should best start with the name of the extension	2711	my $facedata;
2130	using it, it should be unique.	2712	0 < aio_load $path, $facedata
		2713	or die "$path: $!";
2131		2714
2132	=over 4	2715	$facedata = Coro::Storable::thaw $facedata;
2133		2716
2134	=item $hashref = cf::db_get $family	2717	$facedata->{version} == 2
		2718	or cf::cleanup "$path: version mismatch, cannot proceed.";
2135		2719
2136	Return a hashref for use by the extension C<$family>, which can be
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139
2140	=item $value = cf::db_get $family => $key
2141
2142	Returns a single value from the database
2143
2144	=item cf::db_put $family => $hashref
2145
2146	Stores the given family hashref into the database. Updates are delayed, if
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148
2149	=item cf::db_put $family => $key => $value
2150
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161
2162	=cut
2163
2164	our $DB;
2165
2166	{
2167	my $path = cf::localdir . "/database.pst";
2168
2169	sub db_load() {
2170	$DB = stat $path ? Storable::retrieve $path : { };
2171	}	2720	{
		2721	my $faces = $facedata->{faceinfo};
2172		2722
2173	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};
2174		2729
2175	sub db_save() {	2730	cf::cede_to_tick;
2176	waitpid $pid, 0 if $pid;
2177	if (0 == ($pid = fork)) {
2178	$DB->{_meta}{version} = 1;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}
2183	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});
2195
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}
2200
2201	sub db_get($;$) {
2202	@_ >= 2
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206
2207	sub db_put($$;$) {
2208	if (@_ >= 3) {
2209	$DB->{$_[0]}{$_[1]} = $_[2];
2210	} else {
2211	$DB->{$_[0]} = $_[1];
2212	}
2213	db_dirty;
2214	}
2215
2216	cf::global->attach (
2217	prio => 10000,
2218	on_cleanup => sub {
2219	db_sync;
2220	},	2731	}
2221	);
2222	}
2223		2732
2224	#############################################################################	2733	while (my ($face, $info) = each %$faces) {
2225	# 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	}
2226		2825
2227	sub cfg_load {	2826	sub cfg_load {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	2827	open my $fh, "<:utf8", "$CONFDIR/config"
2229	or return;	2828	or return;
2230		2829
2231	local $/;	2830	local $/;
2232	*CFG = YAML::Syck::Load <$fh>;	2831	*CFG = YAML::Syck::Load <$fh>;
2233		2832
…		…
2247		2846
2248	sub main {	2847	sub main {
2249	# we must not ever block the main coroutine	2848	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	2849	local $Coro::idle = sub {
2251	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 {
2252	async { Event::one_event };	2852	Event::one_event;
		2853	})->prio (Coro::PRIO_MAX);
2253	};	2854	};
2254		2855
2255	cfg_load;	2856	cfg_load;
2256	db_load;	2857	db_init;
2257	load_extensions;	2858	load_extensions;
		2859
		2860	$TICK_WATCHER->start;
2258	Event::loop;	2861	Event::loop;
2259	}	2862	}
2260		2863
2261	#############################################################################	2864	#############################################################################
2262	# initialisation and cleanup	2865	# initialisation and cleanup
2263		2866
2264	# install some emergency cleanup handlers	2867	# install some emergency cleanup handlers
2265	BEGIN {	2868	BEGIN {
2266	for my $signal (qw(INT HUP TERM)) {	2869	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	2870	Event->signal (
		2871	reentrant => 0,
2268	data => WF_AUTOCANCEL,	2872	data => WF_AUTOCANCEL,
2269	signal => $signal,	2873	signal => $signal,
		2874	prio => 0,
2270	cb => sub {	2875	cb => sub {
2271	cf::cleanup "SIG$signal";	2876	cf::cleanup "SIG$signal";
2272	},	2877	},
2273	);	2878	);
2274	}	2879	}
2275	}	2880	}
2276		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
2277	sub emergency_save() {	2920	sub emergency_save() {
2278	my $freeze_guard = cf::freeze_mainloop;	2921	my $freeze_guard = cf::freeze_mainloop;
2279		2922
2280	warn "enter emergency perl save\n";	2923	warn "enter emergency perl save\n";
2281		2924
2282	cf::sync_job {	2925	cf::sync_job {
2283	# use a peculiar iteration method to avoid tripping on perl	2926	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	2927	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	2928	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	2929	warn "begin emergency player save\n";
2287	for my $login (keys %cf::PLAYER) {	2930	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	2931	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	2932	$pl->valid or next;
2290	$pl->save;	2933	$pl->save;
…		…
2296	my $map = $cf::MAP{$path} or next;	2939	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	2940	$map->valid or next;
2298	$map->save;	2941	$map->save;
2299	}	2942	}
2300	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 $DB_ENV;
		2947	warn "end emergency database checkpoint\n";
2301	};	2948	};
2302		2949
2303	warn "leave emergency perl save\n";	2950	warn "leave emergency perl save\n";
2304	}	2951	}
2305		2952
		2953	sub post_cleanup {
		2954	my ($make_core) = @_;
		2955
		2956	warn Carp::longmess "post_cleanup backtrace"
		2957	if $make_core;
		2958	}
		2959
2306	sub reload() {	2960	sub do_reload_perl() {
2307	# can/must only be called in main	2961	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	2962	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	2963	warn "can only reload from main coroutine";
2310	return;	2964	return;
2311	}	2965	}
2312		2966
2313	warn "reloading...";	2967	warn "reloading...";
2314		2968
2315	warn "freezing server";	2969	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	2970
		2971	cf::sync_job {
		2972	cf::write_runtime; # external watchdog should not bark
2317	cf::emergency_save;	2973	cf::emergency_save;
		2974	cf::write_runtime; # external watchdog should not bark
2318		2975
2319	warn "sync database to disk";	2976	warn "syncing database to disk";
2320	cf::db_sync;	2977	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		2978
2323	eval {
2324	# 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
2325		2980
2326	warn "cancel all watchers";	2981	warn "cancelling all WF_AUTOCANCEL watchers";
2327	for (Event::all_watchers) {	2982	for (Event::all_watchers) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	2983	$_->cancel if $_->data & WF_AUTOCANCEL;
2329	}	2984	}
2330		2985
		2986	warn "flushing outstanding aio requests";
		2987	for (;;) {
		2988	BDB::flush;
		2989	IO::AIO::flush;
		2990	Coro::cede;
		2991	last unless IO::AIO::nreqs || BDB::nreqs;
		2992	warn "iterate...";
		2993	}
		2994
		2995	++$RELOAD;
		2996
2331	warn "cancel all extension coros";	2997	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	2998	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	2999	%EXT_CORO = ();
2334		3000
2335	warn "remove commands";	3001	warn "removing commands";
2336	%COMMAND = ();	3002	%COMMAND = ();
2337		3003
2338	warn "remove ext commands";	3004	warn "removing ext/exti commands";
2339	%EXTCMD = ();	3005	%EXTCMD = ();
		3006	%EXTICMD = ();
2340		3007
2341	warn "unload/nuke all extensions";	3008	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	3009	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	3010	warn "... unloading $pkg";
2344		3011
2345	if (my $cb = $pkg->can ("unload")) {	3012	if (my $cb = $pkg->can ("unload")) {
2346	eval {	3013	eval {
…		…
2351		3018
2352	warn "... nuking $pkg";	3019	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;	3020	Symbol::delete_package $pkg;
2354	}	3021	}
2355		3022
2356	warn "unload all perl modules loaded from $LIBDIR";	3023	warn "unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	3024	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3025	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		3026
2360	warn "removing <$k>";	3027	warn "... unloading $k";
2361	delete $INC{$k};	3028	delete $INC{$k};
2362		3029
2363	$k =~ s/\.pm$//;	3030	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	3031	$k =~ s/\//::/g;
2365		3032
…		…
2368	}	3035	}
2369		3036
2370	Symbol::delete_package $k;	3037	Symbol::delete_package $k;
2371	}	3038	}
2372		3039
2373	warn "get rid of safe::, as good as possible";	3040	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	3041	Symbol::delete_package "safe::$_"
2375	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);
2376		3043
2377	warn "unload cf.pm \"a bit\"";	3044	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	3045	delete $INC{"cf.pm"};
		3046	delete $INC{"cf/pod.pm"};
2379		3047
2380	# don't, removes xs symbols, too,	3048	# don't, removes xs symbols, too,
2381	# and global variables created in xs	3049	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	3050	#Symbol::delete_package __PACKAGE__;
2383		3051
		3052	warn "unload completed, starting to reload now";
		3053
2384	warn "reloading cf.pm";	3054	warn "reloading cf.pm";
2385	require cf;	3055	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3056	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		3057
2388	warn "load config and database again";	3058	warn "loading config and database again";
2389	cf::cfg_load;	3059	cf::cfg_load;
2390	cf::db_load;
2391		3060
2392	warn "load extensions";	3061	warn "loading extensions";
2393	cf::load_extensions;	3062	cf::load_extensions;
2394		3063
2395	warn "reattach attachments to objects/players";	3064	warn "reattaching attachments to objects/players";
2396	_global_reattach;	3065	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	3066	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	3067	reattach $_ for values %MAP;
2399	};	3068	warn "reattaching attachments to players";
		3069	reattach $_ for values %PLAYER;
2400		3070
2401	if ($@) {	3071	warn "leaving sync_job";
		3072
		3073	1
		3074	} or do {
2402	warn $@;	3075	warn $@;
2403	warn "error while reloading, exiting.";	3076	warn "error while reloading, exiting.";
2404	exit 1;	3077	exit 1;
2405	}	3078	};
2406		3079
2407	warn "reloaded";	3080	warn "reloaded";
2408	};	3081	};
2409		3082
2410	#############################################################################	3083	our $RELOAD_WATCHER; # used only during reload
2411		3084
2412	unless ($LINK_MAP) {	3085	sub reload_perl() {
2413	$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.
2414		3088
2415	$LINK_MAP->width (41);	3089	$RELOAD_WATCHER ||= Event->timer (
2416	$LINK_MAP->height (41);	3090	reentrant => 0,
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,	3091	after => 0,
		3092	data => WF_AUTOCANCEL,
2425	cb => sub {	3093	cb => sub {
2426	$_[0]->w->cancel;	3094	do_reload_perl;
2427		3095	undef $RELOAD_WATCHER;
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});	3096	},
2446		3097	);
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}	3098	}
2452		3099
2453	register_command "reload" => sub {	3100	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	3101	my ($who, $arg) = @_;
2455		3102
2456	if ($who->flag (FLAG_WIZ)) {	3103	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");
2458	reload;
2459	$who->message ("end of reload.");	3104	$who->message ("reloading server.");
		3105	async { reload_perl };
2460	}	3106	}
2461	};	3107	};
2462		3108
2463	unshift @INC, $LIBDIR;	3109	unshift @INC, $LIBDIR;
2464		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;
2465	$TICK_WATCHER = Event->timer (	3136	$TICK_WATCHER = Event->timer (
2466	reentrant => 0,	3137	reentrant => 0,
		3138	parked => 1,
2467	prio => 0,	3139	prio => 0,
2468	at => $NEXT_TICK || $TICK,	3140	at => $NEXT_TICK || $TICK,
2469	data => WF_AUTOCANCEL,	3141	data => WF_AUTOCANCEL,
2470	cb => sub {	3142	cb => sub {
		3143	if ($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
2471	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
2472	$RUNTIME += $TICK;	3176	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;	3177	$NEXT_TICK += $TICK;
2474		3178
2475	$WAIT_FOR_TICK->broadcast;	3179	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2476	$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;
2477		3198
2478	# 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
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3200	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2480		3201
2481	$TICK_WATCHER->at ($NEXT_TICK);	3202	$TICK_WATCHER->at ($NEXT_TICK);
2482	$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
2483	},	3211	},
2484	);	3212	);
2485		3213
		3214	{
2486	IO::AIO::max_poll_time $TICK * 0.2;	3215	BDB::max_poll_time $TICK * 0.1;
2487		3216	$BDB_POLL_WATCHER = Event->io (
2488	Event->io (	3217	reentrant => 0,
2489	fd => IO::AIO::poll_fileno,	3218	fd => BDB::poll_fileno,
2490	poll => 'r',	3219	poll => 'r',
2491	prio => 5,	3220	prio => 0,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,	3221	data => WF_AUTOCANCEL,
2498	after => 0,	3222	cb => \&BDB::poll_cb,
2499	interval => 10,	3223	);
2500	cb => sub {	3224	BDB::min_parallel 8;
2501	(Coro::unblock_sub {	3225
2502	write_runtime	3226	BDB::set_sync_prepare {
2503	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 $@;
2504	})->();	3260	};
2505	},	3261	}
2506	);	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;
2507		3319
2508	END { cf::emergency_save }	3320	END { cf::emergency_save }
2509		3321
2510	1	3322	1
2511		3323

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