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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.171 by root, Sun Jan 14 12:24:48 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;
49	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	79	our $NEXT_TICK;
52	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;
53		85
54	our %CFG;	86	our %CFG;
55		87
56	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	89	our $RUNTIME;
58		90
59	our %PLAYER; # all users	91	our %PLAYER; # all users
60	our %MAP; # all maps	92	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		94
67	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		101
70	binmode STDOUT;	102	binmode STDOUT;
71	binmode STDERR;	103	binmode STDERR;
72		104
73	# read virtual server time, if available	105	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
78	}	110	}
79		111
80	mkdir cf::localdir;	112	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		114
86	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
87		118
88	#############################################################################	119	#############################################################################
89		120
90	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
91		122
…		…
98	=item $cf::RUNTIME	129	=item $cf::RUNTIME
99		130
100	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
101	every server tick.	132	every server tick.
102		133
103	=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
104		137
105	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		142
108	=item $cf::NOW	143	=item $cf::NOW
109		144
110	The time of the last (current) server tick.	145	The time of the last (current) server tick.
111		146
112	=item $cf::TICK	147	=item $cf::TICK
113		148
114	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.
115		160
116	=item %cf::CFG	161	=item %cf::CFG
117		162
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	164	from wherever your confdir points to.
120		165
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		167
123	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
124	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
125	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.
126	window of cpu time available, or simply to synchronise to the server tick.
127		171
128	=back	172	=back
129		173
130	=cut	174	=cut
131		175
132	BEGIN {	176	BEGIN {
133	*CORE::GLOBAL::warn = sub {	177	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	178	my $msg = join "", @_;
135	utf8::encode $msg;
136		179
137	$msg .= "\n"	180	$msg .= "\n"
138	unless $msg =~ /\n$/;	181	unless $msg =~ /\n$/;
139		182
		183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		184
		185	utf8::encode $msg;
140	LOG llevError, $msg;	186	LOG llevError, $msg;
141	};	187	};
142	}	188	}
143		189
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		197
151	# 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
152	# within the Safe compartment.	199	# within the Safe compartment.
153	for my $pkg (qw(	200	for my $pkg (qw(
154	cf::global cf::attachable	201	cf::global cf::attachable
…		…
162	}	209	}
163		210
164	$Event::DIED = sub {	211	$Event::DIED = sub {
165	warn "error in event callback: @_";	212	warn "error in event callback: @_";
166	};	213	};
		214
		215	#############################################################################
167		216
168	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
169		218
170	=over 4	219	=over 4
171		220
…		…
190	$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;
191	$d	240	$d
192	} || "[unable to dump $_[0]: '$@']";	241	} || "[unable to dump $_[0]: '$@']";
193	}	242	}
194		243
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
198		245
199	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
200		247
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
209		249
210	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
211		251
212	=cut	252	=cut
213		253
214	sub to_json($) {	254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
216	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	257	sub from_json ($) { $json_coder->decode ($_[0]) }
218		258
219	=item cf::lock_wait $string	259	=item cf::lock_wait $string
220		260
221	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
222		262
…		…
228	returned.	268	returned.
229		269
230	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
231	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
232		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
233	=cut	277	=cut
234		278
235	our %LOCK;	279	our %LOCK;
236		280
237	sub lock_wait($) {	281	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
258	}	302	}
259	}	303	}
260		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
		309	}
		310
261	sub freeze_mainloop {	311	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
263		313
264	my $guard = Coro::guard {	314	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	315	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	316	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	317	$TICK_WATCHER->stop;
270	$guard	318	$guard
271	}	319	}
272		320
273	=item cf::async { BLOCK }	321	=item cf::async { BLOCK }
…		…
280		328
281	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
282		330
283	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
284		332
285	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
288		337
289	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
292	fast or be very important.	341	fast or be very important.
…		…
295		344
296	sub sync_job(&) {	345	sub sync_job(&) {
297	my ($job) = @_;	346	my ($job) = @_;
298		347
299	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
300	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
302		353
303	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
315		366
316	while ($busy) {	367	while ($busy) {
317	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
318	}	369	}
319		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
320	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
321	} else {	379	} else {
322	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
323		381
324	$job->()	382	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
344		402
345	$coro	403	$coro
346	}	404	}
347		405
348	sub write_runtime {	406	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		407
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
352	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.
353		412
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	413	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		414
358	aio_fsync $fh	415	sub _store_scalar {
359	and return;	416	open my $fh, ">", \my $buf
360		417	or die "fork_call: cannot open fh-to-buf in child : $!";
		418	Storable::store_fd $_[0], $fh;
361	close $fh	419	close $fh;
362	or return;
363		420
364	aio_rename "$runtime~", $runtime	421	$buf
365	and return;	422	}
366		423
		424	sub fork_call(&@) {
		425	my ($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 $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
367	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		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 });
368	}	593	}
369		594
370	=back	595	=back
371		596
372	=cut	597	=cut
…		…
379	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")
380	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
381		606
382	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>
383	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
384	crossfire+).	609	Crossfire TRT).
385		610
386	=over 4	611	=over 4
387		612
388	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
389		614
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
553		778
554	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		783
559	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	785	my $pkg = shift @arg;
561		786
562	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
592	}	817	}
593		818
594	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
595	} else {	820	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	822	}
598		823
599	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
600	}	825	}
601		826
…		…
603	if (ref $_[0]) {	828	if (ref $_[0]) {
604	_object_attach @_;	829	_object_attach @_;
605	} else {	830	} else {
606	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
607	}	832	}
		833	_recalc_want;
608	};	834	};
609		835
610	# all those should be optimised	836	# all those should be optimised
611	sub cf::attachable::detach {	837	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
616	reattach ($obj);	842	reattach ($obj);
617	} else {	843	} else {
618	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
619	}	845	}
		846	_recalc_want;
620	};	847	};
621		848
622	sub cf::attachable::attached {	849	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
624		851
…		…
747	$filename, length $$rdata, scalar @$objs;	974	$filename, length $$rdata, scalar @$objs;
748		975
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	977	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	979	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	980	close $fh;
754		981
755	if (@$objs) {	982	if (@$objs) {
756	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) {
757	chmod SAVE_MODE, $fh;	984	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	985	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	986	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	987	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	988	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	989	aio_rename "$filename.pst~", "$filename.pst";
763	}	990	}
764	} else {	991	} else {
765	aio_unlink "$filename.pst";	992	aio_unlink "$filename.pst";
…		…
797	or return;	1024	or return;
798	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
799	}	1026	}
800		1027
801	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1029	$filename, length $data, scalar @{$av || []};
803	return ($data, $av);	1030	return ($data, $av);
804	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
805		1038
806	#############################################################################	1039	#############################################################################
807	# command handling &c	1040	# command handling &c
808		1041
809	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1056	}
824		1057
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1059
827	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.
828		1065
829	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
830	called.	1067	called.
831		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
832	=cut	1080	=cut
833		1081
834	sub register_extcmd {	1082	sub register_extcmd {
835	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
836		1084
837	$EXTCMD{$name} = $cb;	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
838	}	1092	}
839		1093
840	cf::player->attach (	1094	cf::player->attach (
841	on_command => sub {	1095	on_command => sub {
842	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1105	cf::override;
852	},	1106	},
853	on_extcmd => sub {	1107	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
855		1109
856	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1111
858	if (ref $msg) {	1112	if (ref $msg) {
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
860	if (my %reply = $cb->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
861	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
867		1121
868	cf::override;	1122	cf::override;
869	},	1123	},
870	);	1124	);
871		1125
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
907	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1131	next unless -r $path;
909	eval {	1132
910	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;
911	1	1190	}
912	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
913	}	1196	};
914	}	1197	}
915		1198
916	#############################################################################	1199	#############################################################################
917		1200
		1201	=back
		1202
918	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
919		1204
920	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
921		1206
922	=cut	1207	=cut
…		…
934	Returns the given player object, loading it if necessary (might block).	1219	Returns the given player object, loading it if necessary (might block).
935		1220
936	=cut	1221	=cut
937		1222
938	sub playerdir($) {	1223	sub playerdir($) {
939	cf::localdir	1224	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1225	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1226	}
945		1227
946	sub path($) {	1228	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1229	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1230
949	(playerdir $login) . "/$login.pl"	1231	(playerdir $login) . "/playerdata"
950	}	1232	}
951		1233
952	sub find_active($) {	1234	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1235	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1236	and $cf::PLAYER{$_[0]}->active
…		…
957		1239
958	sub exists($) {	1240	sub exists($) {
959	my ($login) = @_;	1241	my ($login) = @_;
960		1242
961	$cf::PLAYER{$login}	1243	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1244	or cf::sync_job { !aio_stat path $login }
963	}	1245	}
964		1246
965	sub find($) {	1247	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1248	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1249	my $login = $_[0];
968		1250
969	my $guard = cf::lock_acquire "user_find:$login";	1251	my $guard = cf::lock_acquire "user_find:$login";
970		1252
971	$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
972	my $pl = load_pl path $login	1261	my $pl = load_pl path $login
973	or return;	1262	or return;
974	$cf::PLAYER{$login} = $pl	1263	$cf::PLAYER{$login} = $pl
975	}	1264	}
976	}	1265	}
…		…
1013		1302
1014	=cut	1303	=cut
1015		1304
1016	sub quit_character {	1305	sub quit_character {
1017	my ($pl) = @_;	1306	my ($pl) = @_;
		1307
		1308	my $name = $pl->ob->name;
1018		1309
1019	$pl->{deny_save} = 1;	1310	$pl->{deny_save} = 1;
1020	$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
1021		1312
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1318	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1319	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1320	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1321	delete $cf::PLAYER{$pl->ob->name};
1031	$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
1032	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;
1033	}	1344	}
1034		1345
1035	=item cf::player::list_logins	1346	=item cf::player::list_logins
1036		1347
1037	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
1038	while and may block, so not sync_job-capable, ever.	1349	while and may block, so not sync_job-capable, ever.
1039		1350
1040	=cut	1351	=cut
1041		1352
1042	sub list_logins {	1353	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1354	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1355	or return [];
1045		1356
1046	my @logins;	1357	my @logins;
1047		1358
1048	for my $login (@$dirs) {	1359	for my $login (@$dirs) {
…		…
1065	=cut	1376	=cut
1066		1377
1067	sub maps($) {	1378	sub maps($) {
1068	my ($pl) = @_;	1379	my ($pl) = @_;
1069		1380
		1381	$pl = ref $pl ? $pl->ob->name : $pl;
		1382
1070	my $files = aio_readdir playerdir $pl	1383	my $files = aio_readdir playerdir $pl
1071	or return;	1384	or return;
1072		1385
1073	my @paths;	1386	my @paths;
1074		1387
1075	for (@$files) {	1388	for (@$files) {
1076	utf8::decode $_;	1389	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1390	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1391	next unless /^$PATH_SEP/o;
1079		1392
1080	s/\.map$//;	1393	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1394	}
1083		1395
1084	\@paths	1396	\@paths
1085	}	1397	}
1086		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
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1088		1450
1089	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1090		1452
1091	=cut	1453	=cut
1092		1454
1093	sub ext_reply($$$%) {	1455	sub ext_reply($$%) {
1094	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1095		1457
1096	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1097		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1460	}
1100		1461
1101	package cf;	1462	=item $player->ext_event ($type, %msg)
		1463
		1464	Sends an ext event to the client.
		1465
		1466	=cut
		1467
		1468	sub ext_event($$%) {
		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	}
1102		1502
1103	=back	1503	=back
1104
1105		1504
1106	=head3 cf::map	1505	=head3 cf::map
1107		1506
1108	=over 4	1507	=over 4
1109		1508
…		…
1113		1512
1114	use Fcntl;	1513	use Fcntl;
1115	use Coro::AIO;	1514	use Coro::AIO;
1116		1515
1117	use overload	1516	use overload
1118	'""' => \&as_string;	1517	'""' => \&as_string,
		1518	fallback => 1;
1119		1519
1120	our $MAX_RESET = 3600;	1520	our $MAX_RESET = 3600;
1121	our $DEFAULT_RESET = 3000;	1521	our $DEFAULT_RESET = 3000;
1122		1522
1123	sub generate_random_map {	1523	sub generate_random_map {
1124	my ($self, $rmp) = @_;	1524	my ($self, $rmp) = @_;
1125
1126	# mit "rum" bekleckern, nicht	1525	# mit "rum" bekleckern, nicht
1127	$self->_create_random_map (	1526	$self->_create_random_map (
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1537	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1538	)
1140	}	1539	}
1141		1540
		1541	=item cf::map->register ($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
1142	sub register {	1549	sub register {
1143	my (undef, $regex) = @_;	1550	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1551	my $pkg = caller;
1145		1552
1146	no strict;	1553	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1554	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1555
1149	$EXT_MAP{$pkg} = qr<$regex>;	1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1557	}
1151		1558
1152	# also paths starting with '/'	1559	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1561
1155	sub thawer_merge {	1562	sub thawer_merge {
		1563	my ($self, $merge) = @_;
		1564
1156	# we have to keep some variables in memory intact	1565	# we have to keep some variables in memory intact
1157	local $_[0]{path};	1566	local $self->{path};
1158	local $_[0]{deny_save};	1567	local $self->{load_path};
1159	local $_[0]{deny_reset};
1160		1568
1161	$_[0]->SUPER::thawer_merge ($_[1]);	1569	$self->SUPER::thawer_merge ($merge);
1162	}	1570	}
1163		1571
1164	sub normalise {	1572	sub normalise {
1165	my ($path, $base) = @_;	1573	my ($path, $base) = @_;
		1574
		1575	$path = "$path"; # make sure its a string
		1576
		1577	$path =~ s/\.map$//;
1166		1578
1167	# map plan:	1579	# map plan:
1168	#	1580	#
1169	# /! non-realised random map exit (special hack!)	1581	# /! non-realised random map exit (special hack!)
1170	# {... are special paths that are not being touched	1582	# {... are special paths that are not being touched
…		…
1198		1610
1199	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1611	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1200		1612
1201	$path = normalise $path, $base;	1613	$path = normalise $path, $base;
1202		1614
1203	for my $pkg (keys %EXT_MAP) {	1615	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1204	if ($path =~ $EXT_MAP{$pkg}) {	1616	if ($path =~ $EXT_MAP{$pkg}[1]) {
1205	my $self = bless cf::map::new, $pkg;	1617	my $self = bless cf::map::new, $pkg;
1206	$self->{path} = $path; $self->path ($path);	1618	$self->{path} = $path; $self->path ($path);
1207	$self->init; # pass $1 etc.	1619	$self->init; # pass $1 etc.
1208	return $self;	1620	return $self;
1209	}	1621	}
1210	}	1622	}
1211		1623
1212	Carp::carp "unable to resolve path '$path'.";	1624	Carp::carp "unable to resolve path '$path' (base '$base').";
1213	()	1625	()
1214	}	1626	}
1215		1627
1216	sub init {	1628	sub init {
1217	my ($self) = @_;	1629	my ($self) = @_;
…		…
1232		1644
1233	# the original (read-only) location	1645	# the original (read-only) location
1234	sub load_path {	1646	sub load_path {
1235	my ($self) = @_;	1647	my ($self) = @_;
1236		1648
1237	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1649	"$MAPDIR/$self->{path}.map"
1238	}	1650	}
1239		1651
1240	# the temporary/swap location	1652	# the temporary/swap location
1241	sub save_path {	1653	sub save_path {
1242	my ($self) = @_;	1654	my ($self) = @_;
1243		1655
1244	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1245	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1657	"$TMPDIR/$path.map"
1246	}	1658	}
1247		1659
1248	# the unique path, undef == no special unique path	1660	# the unique path, undef == no special unique path
1249	sub uniq_path {	1661	sub uniq_path {
1250	my ($self) = @_;	1662	my ($self) = @_;
1251		1663
1252	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1253	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1665	"$UNIQUEDIR/$path"
1254	}	1666	}
1255		1667
1256	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1257	# all maps in C++...	1669	# all maps in C++...
1258	sub change_all_map_light {	1670	sub change_all_map_light {
…		…
1260		1672
1261	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1263	}	1675	}
1264		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
		1683	}
		1684
1265	sub unlink_save {	1685	sub unlink_save {
1266	my ($self) = @_;	1686	my ($self) = @_;
1267		1687
1268	utf8::encode (my $save = $self->save_path);	1688	utf8::encode (my $save = $self->save_path);
1269	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1272		1692
1273	sub load_header_from($) {	1693	sub load_header_from($) {
1274	my ($self, $path) = @_;	1694	my ($self, $path) = @_;
1275		1695
1276	utf8::encode $path;	1696	utf8::encode $path;
1277	aio_open $path, O_RDONLY, 0	1697	#aio_open $path, O_RDONLY, 0
1278	or return;	1698	# or return;
1279		1699
1280	$self->_load_header ($path)	1700	$self->_load_header ($path)
1281	or return;	1701	or return;
1282		1702
1283	$self->{load_path} = $path;	1703	$self->{load_path} = $path;
1284		1704
1285	1	1705	1
1286	}	1706	}
1287		1707
1288	sub load_orig {	1708	sub load_header_orig {
1289	my ($self) = @_;	1709	my ($self) = @_;
1290		1710
1291	$self->load_header_from ($self->load_path)	1711	$self->load_header_from ($self->load_path)
1292	}	1712	}
1293		1713
1294	sub load_temp {	1714	sub load_header_temp {
1295	my ($self) = @_;	1715	my ($self) = @_;
1296		1716
1297	$self->load_header_from ($self->save_path)	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	$self->instantiate;
1298	}	1737	}
1299		1738
1300	sub load_header {	1739	sub load_header {
1301	my ($self) = @_;	1740	my ($self) = @_;
1302		1741
1303	if ($self->load_temp) {	1742	if ($self->load_header_temp) {
1304	$self->last_access ((delete $self->{last_access})	1743	$self->prepare_temp;
1305	|| $cf::RUNTIME); #d#
1306	# safety
1307	$self->{instantiate_time} = $cf::RUNTIME
1308	if $self->{instantiate_time} > $cf::RUNTIME;
1309	} else {	1744	} else {
1310	$self->load_orig	1745	$self->load_header_orig
1311	or return;	1746	or return;
1312		1747	$self->prepare_orig;
1313	$self->{load_original} = 1;
1314	$self->{instantiate_time} = $cf::RUNTIME;
1315	$self->last_access ($cf::RUNTIME);
1316	$self->instantiate;
1317	}	1748	}
		1749
		1750	$self->{deny_reset} = 1
		1751	if $self->no_reset;
		1752
		1753	$self->default_region (cf::region::find_by_path $self->{path})
		1754	unless $self->default_region;
1318		1755
1319	1	1756	1
1320	}	1757	}
1321		1758
1322	sub find;	1759	sub find;
…		…
1335	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1336		1773
1337	$map->load_header	1774	$map->load_header
1338	or return;	1775	or return;
1339		1776
1340	if ($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
1341	$cf::WAIT_FOR_TICK->wait;	1779	#$cf::WAIT_FOR_TICK->wait;
1342	$map->reset;	1780	$map->reset;
1343	undef $guard;	1781	undef $guard;
1344	$map = find $path	1782	return find $path;
1345	or return;
1346	}	1783	}
1347		1784
1348	$cf::MAP{$path} = $map	1785	$cf::MAP{$path} = $map
1349	}	1786	}
1350	}	1787	}
		1788
		1789	sub pre_load { }
		1790	sub post_load { }
1351		1791
1352	sub load {	1792	sub load {
1353	my ($self) = @_;	1793	my ($self) = @_;
1354		1794
		1795	local $self->{deny_reset} = 1; # loading can take a long time
		1796
1355	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1356	my $guard = cf::lock_acquire "map_load:$path";	1800	my $guard = cf::lock_acquire "map_load:$path";
1357		1801
1358	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1359		1803
1360	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1361		1805
1362	$self->alloc;	1806	$self->alloc;
1363	$self->_load_objects ($self->{load_path}, 1)
1364	or return;
1365		1807
1366	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1808	$self->pre_load;
1367	if delete $self->{load_original};
1368
1369	if (my $uniq = $self->uniq_path) {
1370	utf8::encode $uniq;
1371	if (aio_open $uniq, O_RDONLY, 0) {
1372	$self->clear_unique_items;
1373	$self->_load_objects ($uniq, 0);
1374	}
1375	}
1376
1377	Coro::cede;
1378
1379	# now do the right thing for maps
1380	$self->link_multipart_objects;
1381
1382	unless ($self->{deny_activate}) {
1383	$self->decay_objects;
1384	$self->fix_auto_apply;
1385	$self->update_buttons;
1386	Coro::cede;	1809	Coro::cede;
1387	$self->set_darkness_map;	1810
		1811	$self->_load_objects ($self->{load_path}, 1)
		1812	or return;
		1813
		1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1815	if delete $self->{load_original};
		1816
		1817	if (my $uniq = $self->uniq_path) {
		1818	utf8::encode $uniq;
		1819	if (aio_open $uniq, O_RDONLY, 0) {
		1820	$self->clear_unique_items;
		1821	$self->_load_objects ($uniq, 0);
		1822	}
		1823	}
		1824
		1825	Coro::cede;
		1826	# now do the right thing for maps
		1827	$self->link_multipart_objects;
1388	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1389	unless $self->difficulty;	1829	unless $self->difficulty;
1390	Coro::cede;	1830	Coro::cede;
		1831
		1832	unless ($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;
1391	$self->activate;	1839	$self->activate;
1392	}	1840	}
1393		1841
1394	$self->in_memory (cf::MAP_IN_MEMORY);	1842	$self->in_memory (cf::MAP_IN_MEMORY);
		1843	}
		1844
		1845	$self->post_load;
1395	}	1846	}
1396		1847
1397	sub customise_for {	1848	sub customise_for {
1398	my ($self, $ob) = @_;	1849	my ($self, $ob) = @_;
1399		1850
1400	return find "~" . $ob->name . "/" . $self->{path}	1851	return find "~" . $ob->name . "/" . $self->{path}
1401	if $self->per_player;	1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
1402		1856
1403	$self	1857	$self
1404	}	1858	}
1405		1859
1406	# 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
…		…
1438		1892
1439	cf::sync_job { $map->load };	1893	cf::sync_job { $map->load };
1440	}	1894	}
1441		1895
1442	our %MAP_PREFETCH;	1896	our %MAP_PREFETCH;
1443	our $MAP_PREFETCHER = Coro::async {	1897	our $MAP_PREFETCHER = undef;
1444	while () {
1445	for my $path (keys %MAP_PREFETCH) {
1446	my $map = find $path
1447	or next;
1448	$map->load;
1449
1450	delete $MAP_PREFETCH{$path};
1451	}
1452	Coro::schedule;
1453	}
1454	};
1455		1898
1456	sub find_async {	1899	sub find_async {
1457	my ($path, $origin) = @_;	1900	my ($path, $origin) = @_;
1458		1901
1459	$path = normalise $path, $origin && $origin->{path};	1902	$path = normalise $path, $origin && $origin->{path};
1460		1903
1461	if (my $map = $cf::MAP{$path}) {	1904	if (my $map = $cf::MAP{$path}) {
1462	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1463	}	1906	}
1464		1907
1465	$MAP_PREFETCH{$path} = 0;	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	};
1466	$MAP_PREFETCHER->ready;	1921	$MAP_PREFETCHER->prio (6);
1467		1922
1468	()	1923	()
1469	}	1924	}
1470		1925
1471	sub save {	1926	sub save {
…		…
1516		1971
1517	sub reset_at {	1972	sub reset_at {
1518	my ($self) = @_;	1973	my ($self) = @_;
1519		1974
1520	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1521	return 1e99 if $self->isa ("ext::map_per_player");#d#
1522	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1523		1977
1524	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1525	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1526		1980
…		…
1531	my ($self) = @_;	1985	my ($self) = @_;
1532		1986
1533	$self->reset_at <= $cf::RUNTIME	1987	$self->reset_at <= $cf::RUNTIME
1534	}	1988	}
1535		1989
1536	sub rename {
1537	my ($self, $new_path) = @_;
1538
1539	normalise $new_path;
1540
1541	$self->unlink_save;
1542
1543	delete $cf::MAP{$self->path};
1544	$self->{path} = $new_path; $self->path ($self->{path});
1545	$cf::MAP{$self->path} = $self;
1546
1547	$self->save;
1548	}
1549
1550	sub reset {	1990	sub reset {
1551	my ($self) = @_;	1991	my ($self) = @_;
1552		1992
1553	my $lock = cf::lock_acquire "map_data:$self->{path}";	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		1994
1555	return if $self->players;	1995	return if $self->players;
1556	return if $self->isa ("ext::map_per_player");#d#
1557		1996
1558	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	}
1559		2008
1560	delete $cf::MAP{$self->path};	2009	delete $cf::MAP{$self->path};
1561		2010
1562	$self->in_memory (cf::MAP_SWAPPED);
1563	$self->clear;	2011	$self->clear;
1564		2012
1565	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1566		2014
1567	$self->unlink_save;	2015	$self->unlink_save;
…		…
1571	my $nuke_counter = "aaaa";	2019	my $nuke_counter = "aaaa";
1572		2020
1573	sub nuke {	2021	sub nuke {
1574	my ($self) = @_;	2022	my ($self) = @_;
1575		2023
		2024	delete $cf::MAP{$self->path};
		2025
		2026	$self->unlink_save;
		2027
		2028	bless $self, "cf::map";
		2029	delete $self->{deny_reset};
1576	$self->{deny_save} = 1;	2030	$self->{deny_save} = 1;
1577	$self->reset_timeout (1);	2031	$self->reset_timeout (1);
1578	$self->rename ("{nuke}/" . ($nuke_counter++));	2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2033
		2034	$cf::MAP{$self->path} = $self;
		2035
1579	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
		2037	}
		2038
		2039	=item $maps = cf::map::tmp_maps
		2040
		2041	Returns an arrayref with all map paths of currently instantiated and saved
		2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
		2047	[
		2048	map {
		2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
		2055	}
		2056
		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	]
1580	}	2073	}
1581		2074
1582	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1583		2076
1584	Returns an arrayref of paths of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1585	instantiated unique items. May block.	2078	instantiated unique items. May block.
1586		2079
1587	=cut	2080	=cut
1588		2081
1589	sub unique_maps() {	2082	sub unique_maps() {
1590	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2083	[
1591	or return;	2084	map {
1592
1593	my @paths;
1594
1595	for (@$files) {
1596	utf8::decode $_;	2085	utf8::decode $_;
1597	next if /\.pst$/;
1598	next unless /^$PATH_SEP/o;
1599
1600	s/\.map$//;	2086	/\.map$/
1601	push @paths, $_;	2087	? normalise $_
		2088	: ()
		2089	} @{ aio_readdir $UNIQUEDIR or [] }
1602	}	2090	]
1603
1604	\@paths
1605	}	2091	}
1606		2092
1607	package cf;	2093	package cf;
1608		2094
1609	=back	2095	=back
…		…
1655		2141
1656	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1657		2143
1658	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1659	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1660	} 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 {
1661	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1662	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1663	}	2163	}
1664	}	2164	}
1665		2165
1666	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1667		2167
…		…
1700	=cut	2200	=cut
1701		2201
1702	sub link_map {	2202	sub link_map {
1703	unless ($LINK_MAP) {	2203	unless ($LINK_MAP) {
1704	$LINK_MAP = cf::map::find "{link}"	2204	$LINK_MAP = cf::map::find "{link}"
1705	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2205	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1706	$LINK_MAP->load;	2206	$LINK_MAP->load;
1707	}	2207	}
1708		2208
1709	$LINK_MAP	2209	$LINK_MAP
1710	}	2210	}
…		…
1715	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1716		2216
1717	return if UNIVERSAL::isa $self->map, "ext::map_link";	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1718		2218
1719	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1720	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1721		2221
1722	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1723	}	2223	}
1724		2224
1725	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1726	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1727		2229
1728	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1729		2231
1730	unless ($map) {	2232	unless ($map) {
1731	# restore original map position	2233	# restore original map position
…		…
1749	$map->load;	2251	$map->load;
1750	$map->load_diag;	2252	$map->load_diag;
1751		2253
1752	return unless $self->contr->active;	2254	return unless $self->contr->active;
1753	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1754	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1755	}	2259	}
1756		2260
1757	cf::player->attach (
1758	on_logout => sub {
1759	my ($pl) = @_;
1760
1761	# abort map switching before logout
1762	if ($pl->ob->{_link_pos}) {
1763	cf::sync_job {
1764	$pl->ob->leave_link
1765	};
1766	}
1767	},
1768	on_login => sub {
1769	my ($pl) = @_;
1770
1771	# try to abort aborted map switching on player login :)
1772	# should happen only on crashes
1773	if ($pl->ob->{_link_pos}) {
1774	$pl->ob->enter_link;
1775	(async {
1776	# we need this sleep as the login has a concurrent enter_exit running
1777	# and this sleep increases chances of the player not ending up in scorn
1778	$pl->ob->reply (undef,
1779	"There was an internal problem at your last logout, "
1780	. "the server will try to bring you to your intended destination in a second.",
1781	cf::NDI_RED);
1782	Coro::Timer::sleep 1;
1783	$pl->ob->leave_link;
1784	})->prio (2);
1785	}
1786	},
1787	);
1788
1789	=item $player_object->goto ($path, $x, $y)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1790		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
1791	=cut	2268	=cut
		2269
		2270	our $GOTOGEN;
1792		2271
1793	sub cf::object::player::goto {	2272	sub cf::object::player::goto {
1794	my ($self, $path, $x, $y) = @_;	2273	my ($self, $path, $x, $y, $check) = @_;
		2274
		2275	# do generation counting so two concurrent goto's will be executed in-order
		2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1795		2277
1796	$self->enter_link;	2278	$self->enter_link;
1797		2279
1798	(async {	2280	(async {
		2281	my $map = eval {
1799	my $map = cf::map::find $path;	2282	my $map = cf::map::find $path;
		2283
		2284	if ($map) {
1800	$map = $map->customise_for ($self) if $map;	2285	$map = $map->customise_for ($self);
1801		2286	$map = $check->($map) if $check && $map;
1802	# warn "entering ", $map->path, " at ($x, $y)\n"	2287	} else {
1803	# if $map;
1804
1805	$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	}
1806		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};
1807	$self->leave_link ($map, $x, $y);	2301	$self->leave_link ($map, $x, $y);
		2302	}
1808	})->prio (1);	2303	})->prio (1);
1809	}	2304	}
1810		2305
1811	=item $player_object->enter_exit ($exit_object)	2306	=item $player_object->enter_exit ($exit_object)
1812		2307
…		…
1814		2309
1815	sub parse_random_map_params {	2310	sub parse_random_map_params {
1816	my ($spec) = @_;	2311	my ($spec) = @_;
1817		2312
1818	my $rmp = { # defaults	2313	my $rmp = { # defaults
1819	xsize => 10,	2314	xsize => (cf::rndm 15, 40),
1820	ysize => 10,	2315	ysize => (cf::rndm 15, 40),
		2316	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2317	#layout => string,
1821	};	2318	};
1822		2319
1823	for (split /\n/, $spec) {	2320	for (split /\n/, $spec) {
1824	my ($k, $v) = split /\s+/, $_, 2;	2321	my ($k, $v) = split /\s+/, $_, 2;
1825		2322
…		…
1829	$rmp	2326	$rmp
1830	}	2327	}
1831		2328
1832	sub prepare_random_map {	2329	sub prepare_random_map {
1833	my ($exit) = @_;	2330	my ($exit) = @_;
		2331
		2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
1834		2333
1835	# all this does is basically replace the /! path by	2334	# all this does is basically replace the /! path by
1836	# a new random map path (?random/...) with a seed	2335	# a new random map path (?random/...) with a seed
1837	# that depends on the exit object	2336	# that depends on the exit object
1838		2337
1839	my $rmp = parse_random_map_params $exit->msg;	2338	my $rmp = parse_random_map_params $exit->msg;
1840		2339
1841	if ($exit->map) {	2340	if ($exit->map) {
1842	$rmp->{region} = $exit->map->region_name;	2341	$rmp->{region} = $exit->region->name;
1843	$rmp->{origin_map} = $exit->map->path;	2342	$rmp->{origin_map} = $exit->map->path;
1844	$rmp->{origin_x} = $exit->x;	2343	$rmp->{origin_x} = $exit->x;
1845	$rmp->{origin_y} = $exit->y;	2344	$rmp->{origin_y} = $exit->y;
1846	}	2345	}
1847		2346
1848	$rmp->{random_seed} ||= $exit->random_seed;	2347	$rmp->{random_seed} ||= $exit->random_seed;
1849		2348
1850	my $data = cf::to_json $rmp;	2349	my $data = cf::to_json $rmp;
1851	my $md5 = Digest::MD5::md5_hex $data;	2350	my $md5 = Digest::MD5::md5_hex $data;
		2351	my $meta = "$RANDOMDIR/$md5.meta";
1852		2352
1853	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) {
1854	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;
1855		2357
1856	$exit->slaying ("?random/$md5");	2358	$exit->slaying ("?random/$md5");
1857	$exit->msg (undef);	2359	$exit->msg (undef);
1858	}	2360	}
1859	}	2361	}
…		…
1861	sub cf::object::player::enter_exit {	2363	sub cf::object::player::enter_exit {
1862	my ($self, $exit) = @_;	2364	my ($self, $exit) = @_;
1863		2365
1864	return unless $self->type == cf::PLAYER;	2366	return unless $self->type == cf::PLAYER;
1865		2367
		2368	if ($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
1866	$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);
1867		2384
1868	(async {	2385	(async {
1869	$self->deactivate_recursive; # just to be sure	2386	$self->deactivate_recursive; # just to be sure
1870	unless (eval {	2387	unless (eval {
1871	prepare_random_map $exit	2388	$self->goto ($slaying, $hp, $sp);
1872	if $exit->slaying eq "/!";
1873
1874	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1875	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1876		2389
1877	1;	2390	1;
1878	}) {	2391	}) {
1879	$self->message ("Something went wrong deep within the crossfire server. "	2392	$self->message ("Something went wrong deep within the crossfire server. "
1880	. "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. "
1881	. "Please report this to the dungeon master!",	2394	. "Please report this to the dungeon master!",
1882	cf::NDI_UNIQUE | cf::NDI_RED);	2395	cf::NDI_UNIQUE | cf::NDI_RED);
1883		2396
1884	warn "ERROR in enter_exit: $@";	2397	warn "ERROR in enter_exit: $@";
1885	$self->leave_link;	2398	$self->leave_link;
1886	}	2399	}
1887	})->prio (1);	2400	})->prio (1);
…		…
1900		2413
1901	sub cf::client::send_drawinfo {	2414	sub cf::client::send_drawinfo {
1902	my ($self, $text, $flags) = @_;	2415	my ($self, $text, $flags) = @_;
1903		2416
1904	utf8::encode $text;	2417	utf8::encode $text;
1905	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1906	}	2419	}
1907		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	}
1908		2473
1909	=item $success = $client->query ($flags, "text", \&cb)	2474	=item $success = $client->query ($flags, "text", \&cb)
1910		2475
1911	Queues a query to the client, calling the given callback with	2476	Queues a query to the client, calling the given callback with
1912	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>,
1913	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>.
1914		2479
1915	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
1916	reliable at some point in the future.	2481	become reliable at some point in the future.
1917		2482
1918	=cut	2483	=cut
1919		2484
1920	sub cf::client::query {	2485	sub cf::client::query {
1921	my ($self, $flags, $text, $cb) = @_;	2486	my ($self, $flags, $text, $cb) = @_;
…		…
1929	utf8::encode $text;	2494	utf8::encode $text;
1930	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2495	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1931		2496
1932	$self->send_packet ($self->{query_queue}[0][0])	2497	$self->send_packet ($self->{query_queue}[0][0])
1933	if @{ $self->{query_queue} } == 1;	2498	if @{ $self->{query_queue} } == 1;
		2499
		2500	1
1934	}	2501	}
1935		2502
1936	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	},
1937	on_reply => sub {	2509	on_reply => sub {
1938	my ($ns, $msg) = @_;	2510	my ($ns, $msg) = @_;
1939		2511
1940	# this weird shuffling is so that direct followup queries	2512	# this weird shuffling is so that direct followup queries
1941	# get handled first	2513	# get handled first
1942	my $queue = delete $ns->{query_queue}	2514	my $queue = delete $ns->{query_queue}
1943	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
1944		2516
1945	(shift @$queue)->[1]->($msg);	2517	(shift @$queue)->[1]->($msg);
		2518	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1946		2519
1947	push @{ $ns->{query_queue} }, @$queue;	2520	push @{ $ns->{query_queue} }, @$queue;
1948		2521
1949	if (@{ $ns->{query_queue} } == @$queue) {	2522	if (@{ $ns->{query_queue} } == @$queue) {
1950	if (@$queue) {	2523	if (@$queue) {
…		…
1952	} else {	2525	} else {
1953	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2526	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1954	}	2527	}
1955	}	2528	}
1956	},	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	},
1957	);	2548	);
1958		2549
1959	=item $client->async (\&cb)	2550	=item $client->async (\&cb)
1960		2551
1961	Create a new coroutine, running the specified callback. The coroutine will	2552	Create a new coroutine, running the specified callback. The coroutine will
…		…
2008		2599
2009	# here we export the classes and methods available to script code	2600	# here we export the classes and methods available to script code
2010		2601
2011	=pod	2602	=pod
2012		2603
2013	The following fucntions and emthods are available within a safe environment:	2604	The following functions and methods are available within a safe environment:
2014		2605
2015	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
2016	cf::object::player player	2610	cf::object::player
2017	cf::player peaceful	2611	player
2018	cf::map trigger	2612
		2613	cf::player
		2614	peaceful
		2615
		2616	cf::map
		2617	trigger
2019		2618
2020	=cut	2619	=cut
2021		2620
2022	for (	2621	for (
2023	["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)],
2024	["cf::object::player" => qw(player)],	2624	["cf::object::player" => qw(player)],
2025	["cf::player" => qw(peaceful)],	2625	["cf::player" => qw(peaceful)],
2026	["cf::map" => qw(trigger)],	2626	["cf::map" => qw(trigger)],
2027	) {	2627	) {
2028	no strict 'refs';	2628	no strict 'refs';
…		…
2099	=back	2699	=back
2100		2700
2101	=cut	2701	=cut
2102		2702
2103	#############################################################################	2703	#############################################################################
		2704	# the server's init and main functions
2104		2705
2105	=head2 EXTENSION DATABASE SUPPORT	2706	sub load_facedata($) {
		2707	my ($path) = @_;
2106		2708
2107	Crossfire maintains a very simple database for extension use. It can	2709	warn "loading facedata from $path\n";
2108	currently store anything that can be serialised using Storable, which
2109	excludes objects.
2110		2710
2111	The parameter C<$family> should best start with the name of the extension	2711	my $facedata;
2112	using it, it should be unique.	2712	0 < aio_load $path, $facedata
		2713	or die "$path: $!";
2113		2714
2114	=over 4	2715	$facedata = Coro::Storable::thaw $facedata;
2115		2716
2116	=item $hashref = cf::db_get $family	2717	$facedata->{version} == 2
		2718	or cf::cleanup "$path: version mismatch, cannot proceed.";
2117		2719
2118	Return a hashref for use by the extension C<$family>, which can be
2119	modified. After modifications, you have to call C<cf::db_dirty> or
2120	C<cf::db_sync>.
2121
2122	=item $value = cf::db_get $family => $key
2123
2124	Returns a single value from the database
2125
2126	=item cf::db_put $family => $hashref
2127
2128	Stores the given family hashref into the database. Updates are delayed, if
2129	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2130
2131	=item cf::db_put $family => $key => $value
2132
2133	Stores the given C<$value> in the family hash. Updates are delayed, if you
2134	want the data to be synced to disk immediately, use C<cf::db_sync>.
2135
2136	=item cf::db_dirty
2137
2138	Marks the database as dirty, to be updated at a later time.
2139
2140	=item cf::db_sync
2141
2142	Immediately write the database to disk I<if it is dirty>.
2143
2144	=cut
2145
2146	our $DB;
2147
2148	{
2149	my $path = cf::localdir . "/database.pst";
2150
2151	sub db_load() {
2152	$DB = stat $path ? Storable::retrieve $path : { };
2153	}	2720	{
		2721	my $faces = $facedata->{faceinfo};
2154		2722
2155	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};
2156		2729
2157	sub db_save() {	2730	cf::cede_to_tick;
2158	waitpid $pid, 0 if $pid;
2159	if (0 == ($pid = fork)) {
2160	$DB->{_meta}{version} = 1;
2161	Storable::nstore $DB, "$path~";
2162	rename "$path~", $path;
2163	cf::_exit 0 if defined $pid;
2164	}
2165	}
2166
2167	my $dirty;
2168
2169	sub db_sync() {
2170	db_save if $dirty;
2171	undef $dirty;
2172	}
2173
2174	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2175	db_sync;
2176	});
2177
2178	sub db_dirty() {
2179	$dirty = 1;
2180	$idle->start;
2181	}
2182
2183	sub db_get($;$) {
2184	@_ >= 2
2185	? $DB->{$_[0]}{$_[1]}
2186	: ($DB->{$_[0]} ||= { })
2187	}
2188
2189	sub db_put($$;$) {
2190	if (@_ >= 3) {
2191	$DB->{$_[0]}{$_[1]} = $_[2];
2192	} else {
2193	$DB->{$_[0]} = $_[1];
2194	}
2195	db_dirty;
2196	}
2197
2198	cf::global->attach (
2199	prio => 10000,
2200	on_cleanup => sub {
2201	db_sync;
2202	},	2731	}
2203	);
2204	}
2205		2732
2206	#############################################################################	2733	while (my ($face, $info) = each %$faces) {
2207	# 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	}
2208		2825
2209	sub cfg_load {	2826	sub cfg_load {
2210	open my $fh, "<:utf8", cf::confdir . "/config"	2827	open my $fh, "<:utf8", "$CONFDIR/config"
2211	or return;	2828	or return;
2212		2829
2213	local $/;	2830	local $/;
2214	*CFG = YAML::Syck::Load <$fh>;	2831	*CFG = YAML::Syck::Load <$fh>;
2215		2832
…		…
2229		2846
2230	sub main {	2847	sub main {
2231	# we must not ever block the main coroutine	2848	# we must not ever block the main coroutine
2232	local $Coro::idle = sub {	2849	local $Coro::idle = sub {
2233	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 {
2234	async { Event::one_event };	2852	Event::one_event;
		2853	})->prio (Coro::PRIO_MAX);
2235	};	2854	};
2236		2855
2237	cfg_load;	2856	cfg_load;
2238	db_load;	2857	db_init;
2239	load_extensions;	2858	load_extensions;
		2859
		2860	$TICK_WATCHER->start;
2240	Event::loop;	2861	Event::loop;
2241	}	2862	}
2242		2863
2243	#############################################################################	2864	#############################################################################
2244	# initialisation and cleanup	2865	# initialisation and cleanup
2245		2866
2246	# install some emergency cleanup handlers	2867	# install some emergency cleanup handlers
2247	BEGIN {	2868	BEGIN {
2248	for my $signal (qw(INT HUP TERM)) {	2869	for my $signal (qw(INT HUP TERM)) {
2249	Event->signal (	2870	Event->signal (
		2871	reentrant => 0,
2250	data => WF_AUTOCANCEL,	2872	data => WF_AUTOCANCEL,
2251	signal => $signal,	2873	signal => $signal,
		2874	prio => 0,
2252	cb => sub {	2875	cb => sub {
2253	cf::cleanup "SIG$signal";	2876	cf::cleanup "SIG$signal";
2254	},	2877	},
2255	);	2878	);
2256	}	2879	}
		2880	}
		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
2257	}	2918	}
2258		2919
2259	sub emergency_save() {	2920	sub emergency_save() {
2260	my $freeze_guard = cf::freeze_mainloop;	2921	my $freeze_guard = cf::freeze_mainloop;
2261		2922
…		…
2278	my $map = $cf::MAP{$path} or next;	2939	my $map = $cf::MAP{$path} or next;
2279	$map->valid or next;	2940	$map->valid or next;
2280	$map->save;	2941	$map->save;
2281	}	2942	}
2282	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 $DB_ENV;
		2947	warn "end emergency database checkpoint\n";
2283	};	2948	};
2284		2949
2285	warn "leave emergency perl save\n";	2950	warn "leave emergency perl save\n";
2286	}	2951	}
2287		2952
		2953	sub post_cleanup {
		2954	my ($make_core) = @_;
		2955
		2956	warn Carp::longmess "post_cleanup backtrace"
		2957	if $make_core;
		2958	}
		2959
2288	sub reload() {	2960	sub do_reload_perl() {
2289	# can/must only be called in main	2961	# can/must only be called in main
2290	if ($Coro::current != $Coro::main) {	2962	if ($Coro::current != $Coro::main) {
2291	warn "can only reload from main coroutine\n";	2963	warn "can only reload from main coroutine";
2292	return;	2964	return;
2293	}	2965	}
2294		2966
2295	warn "reloading...";	2967	warn "reloading...";
2296		2968
2297	warn "freezing server";	2969	warn "entering sync_job";
2298	my $guard = freeze_mainloop;	2970
		2971	cf::sync_job {
		2972	cf::write_runtime; # external watchdog should not bark
2299	cf::emergency_save;	2973	cf::emergency_save;
		2974	cf::write_runtime; # external watchdog should not bark
2300		2975
2301	warn "sync database to disk";	2976	warn "syncing database to disk";
2302	cf::db_sync;	2977	BDB::db_env_txn_checkpoint $DB_ENV;
2303	IO::AIO::flush;
2304		2978
2305	eval {
2306	# 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
2307		2980
2308	warn "cancel all watchers";	2981	warn "cancelling all WF_AUTOCANCEL watchers";
2309	for (Event::all_watchers) {	2982	for (Event::all_watchers) {
2310	$_->cancel if $_->data & WF_AUTOCANCEL;	2983	$_->cancel if $_->data & WF_AUTOCANCEL;
2311	}	2984	}
2312		2985
		2986	warn "flushing outstanding aio requests";
		2987	for (;;) {
		2988	BDB::flush;
		2989	IO::AIO::flush;
		2990	Coro::cede;
		2991	last unless IO::AIO::nreqs || BDB::nreqs;
		2992	warn "iterate...";
		2993	}
		2994
		2995	++$RELOAD;
		2996
2313	warn "cancel all extension coros";	2997	warn "cancelling all extension coros";
2314	$_->cancel for values %EXT_CORO;	2998	$_->cancel for values %EXT_CORO;
2315	%EXT_CORO = ();	2999	%EXT_CORO = ();
2316		3000
2317	warn "remove commands";	3001	warn "removing commands";
2318	%COMMAND = ();	3002	%COMMAND = ();
2319		3003
2320	warn "remove ext commands";	3004	warn "removing ext/exti commands";
2321	%EXTCMD = ();	3005	%EXTCMD = ();
		3006	%EXTICMD = ();
2322		3007
2323	warn "unload/nuke all extensions";	3008	warn "unloading/nuking all extensions";
2324	for my $pkg (@EXTS) {	3009	for my $pkg (@EXTS) {
2325	warn "... unloading $pkg";	3010	warn "... unloading $pkg";
2326		3011
2327	if (my $cb = $pkg->can ("unload")) {	3012	if (my $cb = $pkg->can ("unload")) {
2328	eval {	3013	eval {
…		…
2333		3018
2334	warn "... nuking $pkg";	3019	warn "... nuking $pkg";
2335	Symbol::delete_package $pkg;	3020	Symbol::delete_package $pkg;
2336	}	3021	}
2337		3022
2338	warn "unload all perl modules loaded from $LIBDIR";	3023	warn "unloading all perl modules loaded from $LIBDIR";
2339	while (my ($k, $v) = each %INC) {	3024	while (my ($k, $v) = each %INC) {
2340	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3025	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2341		3026
2342	warn "removing <$k>";	3027	warn "... unloading $k";
2343	delete $INC{$k};	3028	delete $INC{$k};
2344		3029
2345	$k =~ s/\.pm$//;	3030	$k =~ s/\.pm$//;
2346	$k =~ s/\//::/g;	3031	$k =~ s/\//::/g;
2347		3032
…		…
2350	}	3035	}
2351		3036
2352	Symbol::delete_package $k;	3037	Symbol::delete_package $k;
2353	}	3038	}
2354		3039
2355	warn "get rid of safe::, as good as possible";	3040	warn "getting rid of safe::, as good as possible";
2356	Symbol::delete_package "safe::$_"	3041	Symbol::delete_package "safe::$_"
2357	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);
2358		3043
2359	warn "unload cf.pm \"a bit\"";	3044	warn "unloading cf.pm \"a bit\"";
2360	delete $INC{"cf.pm"};	3045	delete $INC{"cf.pm"};
		3046	delete $INC{"cf/pod.pm"};
2361		3047
2362	# don't, removes xs symbols, too,	3048	# don't, removes xs symbols, too,
2363	# and global variables created in xs	3049	# and global variables created in xs
2364	#Symbol::delete_package __PACKAGE__;	3050	#Symbol::delete_package __PACKAGE__;
2365		3051
		3052	warn "unload completed, starting to reload now";
		3053
2366	warn "reloading cf.pm";	3054	warn "reloading cf.pm";
2367	require cf;	3055	require cf;
2368	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3056	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2369		3057
2370	warn "load config and database again";	3058	warn "loading config and database again";
2371	cf::cfg_load;	3059	cf::cfg_load;
2372	cf::db_load;
2373		3060
2374	warn "load extensions";	3061	warn "loading extensions";
2375	cf::load_extensions;	3062	cf::load_extensions;
2376		3063
2377	warn "reattach attachments to objects/players";	3064	warn "reattaching attachments to objects/players";
2378	_global_reattach;	3065	_global_reattach; # objects, sockets
2379	warn "reattach attachments to maps";	3066	warn "reattaching attachments to maps";
2380	reattach $_ for values %MAP;	3067	reattach $_ for values %MAP;
2381	};	3068	warn "reattaching attachments to players";
		3069	reattach $_ for values %PLAYER;
2382		3070
2383	if ($@) {	3071	warn "leaving sync_job";
		3072
		3073	1
		3074	} or do {
2384	warn $@;	3075	warn $@;
2385	warn "error while reloading, exiting.";	3076	warn "error while reloading, exiting.";
2386	exit 1;	3077	exit 1;
2387	}	3078	};
2388		3079
2389	warn "reloaded";	3080	warn "reloaded";
2390	};	3081	};
2391		3082
		3083	our $RELOAD_WATCHER; # used only during reload
		3084
		3085	sub reload_perl() {
		3086	# doing reload synchronously and two reloads happen back-to-back,
		3087	# coro crashes during coro_state_free->destroy here.
		3088
		3089	$RELOAD_WATCHER ||= Event->timer (
		3090	reentrant => 0,
		3091	after => 0,
		3092	data => WF_AUTOCANCEL,
		3093	cb => sub {
		3094	do_reload_perl;
		3095	undef $RELOAD_WATCHER;
		3096	},
		3097	);
		3098	}
		3099
2392	register_command "reload" => sub {	3100	register_command "reload" => sub {
2393	my ($who, $arg) = @_;	3101	my ($who, $arg) = @_;
2394		3102
2395	if ($who->flag (FLAG_WIZ)) {	3103	if ($who->flag (FLAG_WIZ)) {
2396	$who->message ("start of reload.");
2397	reload;
2398	$who->message ("end of reload.");	3104	$who->message ("reloading server.");
		3105	async { reload_perl };
2399	}	3106	}
2400	};	3107	};
2401		3108
2402	unshift @INC, $LIBDIR;	3109	unshift @INC, $LIBDIR;
2403		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;
2404	$TICK_WATCHER = Event->timer (	3136	$TICK_WATCHER = Event->timer (
2405	reentrant => 0,	3137	reentrant => 0,
		3138	parked => 1,
2406	prio => 0,	3139	prio => 0,
2407	at => $NEXT_TICK || $TICK,	3140	at => $NEXT_TICK || $TICK,
2408	data => WF_AUTOCANCEL,	3141	data => WF_AUTOCANCEL,
2409	cb => sub {	3142	cb => sub {
		3143	if ($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
2410	$NOW = Event::time;	3149	$NOW = $tick_start = Event::time;
2411		3150
2412	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
2413	$RUNTIME += $TICK;	3176	$RUNTIME += $TICK;
2414	$NEXT_TICK += $TICK;	3177	$NEXT_TICK += $TICK;
2415		3178
2416	$WAIT_FOR_TICK->broadcast;	3179	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2417	$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;
2418		3198
2419	# 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
2420	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3200	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2421		3201
2422	$TICK_WATCHER->at ($NEXT_TICK);	3202	$TICK_WATCHER->at ($NEXT_TICK);
2423	$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
2424	},	3211	},
2425	);	3212	);
2426		3213
		3214	{
		3215	BDB::max_poll_time $TICK * 0.1;
		3216	$BDB_POLL_WATCHER = Event->io (
		3217	reentrant => 0,
		3218	fd => BDB::poll_fileno,
		3219	poll => 'r',
		3220	prio => 0,
		3221	data => WF_AUTOCANCEL,
		3222	cb => \&BDB::poll_cb,
		3223	);
		3224	BDB::min_parallel 8;
		3225
		3226	BDB::set_sync_prepare {
		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 $@;
		3260	};
		3261	}
		3262	}
		3263
		3264	{
		3265	IO::AIO::min_parallel 8;
		3266
		3267	undef $Coro::AIO::WATCHER;
2427	IO::AIO::max_poll_time $TICK * 0.2;	3268	IO::AIO::max_poll_time $TICK * 0.1;
2428
2429	$AIO_POLL_WATCHER = Event->io (	3269	$AIO_POLL_WATCHER = Event->io (
2430	fd => IO::AIO::poll_fileno,	3270	reentrant => 0,
2431	poll => 'r',
2432	prio => 5,
2433	data => WF_AUTOCANCEL,
2434	cb => \&IO::AIO::poll_cb,
2435	);
2436
2437	$WRITE_RUNTIME_WATCHER = Event->timer (
2438	data => WF_AUTOCANCEL,	3271	data => WF_AUTOCANCEL,
2439	after => 0,	3272	fd => IO::AIO::poll_fileno,
2440	interval => 10,	3273	poll => 'r',
2441	cb => sub {	3274	prio => 6,
2442	(Coro::unblock_sub {	3275	cb => \&IO::AIO::poll_cb,
2443	write_runtime	3276	);
2444	or warn "ERROR: unable to write runtime file: $!";	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;
2445	})->();	3310	};
		3311	} else {
		3312	LOG llevInfo, "[ABT] $msg\n";
		3313	LOG llevInfo, "[ABT] [suppressed]\n";
2446	},	3314	}
2447	);	3315	}
		3316
		3317	# load additional modules
		3318	use cf::pod;
2448		3319
2449	END { cf::emergency_save }	3320	END { cf::emergency_save }
2450		3321
2451	1	3322	1
2452		3323

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