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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 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 = ();
		53
		54	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
		57	our %EXT_CORO = (); # coroutines bound to extensions
		58	our %EXT_MAP = (); # pluggable maps
39		59
		60	our $RELOAD; # number of reloads so far
40	our @EVENT;	61	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		62
43	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(!)
44	our $TICK_WATCHER;	76	our $TICK_WATCHER;
		77	our $AIO_POLL_WATCHER;
		78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	79	our $NEXT_TICK;
46	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;
47		85
48	our %CFG;	86	our %CFG;
49		87
50	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	89	our $RUNTIME;
52		90
53	our %PLAYER; # all users	91	our %PLAYER; # all users
54	our %MAP; # all maps	92	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	93	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		94
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	95	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
61		101
62	binmode STDOUT;	102	binmode STDOUT;
63	binmode STDERR;	103	binmode STDERR;
64		104
65	# read virtual server time, if available	105	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
70	}	110	}
71		111
72	mkdir cf::localdir;	112	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		114
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
		116
		117	sub cf::map::normalise;
81		118
82	#############################################################################	119	#############################################################################
83		120
84	=head2 GLOBAL VARIABLES	121	=head2 GLOBAL VARIABLES
85		122
…		…
92	=item $cf::RUNTIME	129	=item $cf::RUNTIME
93		130
94	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
95	every server tick.	132	every server tick.
96		133
97	=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
98		137
99	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
100	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.
101		142
102	=item $cf::NOW	143	=item $cf::NOW
103		144
104	The time of the last (current) server tick.	145	The time of the last (current) server tick.
105		146
106	=item $cf::TICK	147	=item $cf::TICK
107		148
108	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.
109		160
110	=item %cf::CFG	161	=item %cf::CFG
111		162
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	164	from wherever your confdir points to.
114		165
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		167
117	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
118	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
119	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.
120	window of cpu time available, or simply to synchronise to the server tick.
121		171
122	=back	172	=back
123		173
124	=cut	174	=cut
125		175
126	BEGIN {	176	BEGIN {
127	*CORE::GLOBAL::warn = sub {	177	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	178	my $msg = join "", @_;
129	utf8::encode $msg;
130		179
131	$msg .= "\n"	180	$msg .= "\n"
132	unless $msg =~ /\n$/;	181	unless $msg =~ /\n$/;
133		182
		183	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		184
		185	utf8::encode $msg;
134	LOG llevError, $msg;	186	LOG llevError, $msg;
135	};	187	};
136	}	188	}
137		189
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	190	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	191	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	192	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	193	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@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';
143	@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)
144		197
145	# 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
146	# within the Safe compartment.	199	# within the Safe compartment.
147	for my $pkg (qw(	200	for my $pkg (qw(
148	cf::global cf::attachable	201	cf::global cf::attachable
…		…
157		210
158	$Event::DIED = sub {	211	$Event::DIED = sub {
159	warn "error in event callback: @_";	212	warn "error in event callback: @_";
160	};	213	};
161		214
162	my %ext_pkg;	215	#############################################################################
163	my @exts;
164	my @hook;
165		216
166	=head2 UTILITY FUNCTIONS	217	=head2 UTILITY FUNCTIONS
167		218
168	=over 4	219	=over 4
169		220
…		…
188	$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;
189	$d	240	$d
190	} || "[unable to dump $_[0]: '$@']";	241	} || "[unable to dump $_[0]: '$@']";
191	}	242	}
192		243
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	244	=item $ref = cf::from_json $json
196		245
197	Converts a JSON string into the corresponding perl data structure.	246	Converts a JSON string into the corresponding perl data structure.
198		247
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	248	=item $json = cf::to_json $ref
207		249
208	Converts a perl data structure into its JSON representation.	250	Converts a perl data structure into its JSON representation.
209		251
210	=cut	252	=cut
211		253
212	sub to_json($) {	254	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	255
214	JSON::Syck::Dump $_[0]	256	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	257	sub from_json ($) { $json_coder->decode ($_[0]) }
216		258
217	=item cf::lock_wait $string	259	=item cf::lock_wait $string
218		260
219	Wait until the given lock is available. See cf::lock_acquire.	261	Wait until the given lock is available. See cf::lock_acquire.
220		262
…		…
226	returned.	268	returned.
227		269
228	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
229	uses map_find and cf::map::load uses map_load).	271	uses map_find and cf::map::load uses map_load).
230		272
		273	=item $locked = cf::lock_active $string
		274
		275	Return true if the lock is currently active, i.e. somebody has locked it.
		276
231	=cut	277	=cut
232		278
233	our %LOCK;	279	our %LOCK;
234		280
235	sub lock_wait($) {	281	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	300	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	301	$_->ready for @{ delete $LOCK{$key} };
256	}	302	}
257	}	303	}
258		304
		305	sub lock_active($) {
		306	my ($key) = @_;
		307
		308	! ! $LOCK{$key}
		309	}
		310
259	sub freeze_mainloop {	311	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	312	return unless $TICK_WATCHER->is_active;
261		313
262	my $guard = Coro::guard { $TICK_WATCHER->start };	314	my $guard = Coro::guard {
		315	$TICK_WATCHER->start;
		316	};
263	$TICK_WATCHER->stop;	317	$TICK_WATCHER->stop;
264	$guard	318	$guard
265	}	319	}
266		320
267	=item cf::async { BLOCK }	321	=item cf::async { BLOCK }
…		…
274		328
275	BEGIN { *async = \&Coro::async_pool }	329	BEGIN { *async = \&Coro::async_pool }
276		330
277	=item cf::sync_job { BLOCK }	331	=item cf::sync_job { BLOCK }
278		332
279	The design of crossfire+ requires that the main coro ($Coro::main) is	333	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	334	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	335	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		336	acceptable.
282		337
283	If it must be done, put the blocking parts into C<sync_job>. This will run	338	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	339	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	340	server will be frozen during this time, so the block should either finish
286	fast or be very important.	341	fast or be very important.
…		…
289		344
290	sub sync_job(&) {	345	sub sync_job(&) {
291	my ($job) = @_;	346	my ($job) = @_;
292		347
293	if ($Coro::current == $Coro::main) {	348	if ($Coro::current == $Coro::main) {
		349	my $time = Event::time;
		350
294	# this is the main coro, too bad, we have to block	351	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	352	# till the operation succeeds, freezing the server :/
296		353
297	# TODO: use suspend/resume instead	354	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	355	# (but this is cancel-safe)
…		…
309		366
310	while ($busy) {	367	while ($busy) {
311	Coro::cede or Event::one_event;	368	Coro::cede or Event::one_event;
312	}	369	}
313		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
314	wantarray ? @res : $res[0]	378	wantarray ? @res : $res[0]
315	} else {	379	} else {
316	# we are in another coroutine, how wonderful, everything just works	380	# we are in another coroutine, how wonderful, everything just works
317		381
318	$job->()	382	$job->()
319	}	383	}
320	}	384	}
321		385
322	=item $coro = cf::async_ext { BLOCK }	386	=item $coro = cf::async_ext { BLOCK }
323		387
324	Like async, but this coro is automcatially being canceled when the	388	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	389	extension calling this is being unloaded.
326		390
327	=cut	391	=cut
328		392
329	sub async_ext(&) {	393	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	401	$EXT_CORO{$coro+0} = $coro;
338		402
339	$coro	403	$coro
340	}	404	}
341		405
342	sub write_runtime {	406	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		407
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	408	Executes the given code block with the given arguments in a seperate
346	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.
347		412
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	413	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		414
352	aio_fsync $fh	415	sub _store_scalar {
353	and return;	416	open my $fh, ">", \my $buf
354		417	or die "fork_call: cannot open fh-to-buf in child : $!";
		418	Storable::store_fd $_[0], $fh;
355	close $fh	419	close $fh;
356	or return;
357		420
358	aio_rename "$runtime~", $runtime	421	$buf
359	and return;	422	}
360		423
		424	sub fork_call(&@) {
		425	my ($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 $$res unless "ARRAY" eq ref $res;
		442
		443	return wantarray ? @$res : $res->[-1];
		444	} else {
		445	reset_signals;
		446	local $SIG{__WARN__};
		447	local $SIG{__DIE__};
		448	# just in case, this hack effectively disables event
		449	# in the child. cleaner and slower would be canceling all watchers,
		450	# but this works for the time being.
		451	local $Coro::idle;
		452	$Coro::current->prio (Coro::PRIO_MAX);
		453
		454	eval {
		455	close $fh1;
		456
		457	my @res = eval { $cb->(@args) };
		458
		459	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		460	close $fh2;
		461	};
		462
		463	warn $@ if $@;
		464	_exit 0;
361	1	465	}
		466	}
		467
		468	=item $value = cf::db_get $family => $key
		469
		470	Returns a single value from the environment database.
		471
		472	=item cf::db_put $family => $key => $value
		473
		474	Stores the given C<$value> in the family. It can currently store binary
		475	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		476
		477	=cut
		478
		479	our $DB;
		480
		481	sub db_init {
		482	unless ($DB) {
		483	$DB = BDB::db_create $DB_ENV;
		484
		485	cf::sync_job {
		486	eval {
		487	$DB->set_flags (BDB::CHKSUM);
		488
		489	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		490	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		491	cf::cleanup "db_open(db): $!" if $!;
		492	};
		493	cf::cleanup "db_open(db): $@" if $@;
		494	};
		495	}
		496	}
		497
		498	sub db_get($$) {
		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 });
362	}	593	}
363		594
364	=back	595	=back
365		596
366	=cut	597	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494		598
495	#############################################################################	599	#############################################################################
496		600
497	=head2 ATTACHABLE OBJECTS	601	=head2 ATTACHABLE OBJECTS
498		602
…		…
500	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")
501	to it. All such attachable objects support the following methods.	605	to it. All such attachable objects support the following methods.
502		606
503	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>
504	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
505	crossfire+).	609	Crossfire TRT).
506		610
507	=over 4	611	=over 4
508		612
509	=item $attachable->attach ($attachment, key => $value...)	613	=item $attachable->attach ($attachment, key => $value...)
510		614
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	728	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	729	our @CB_MAP = ();
626		730
627	my %attachment;	731	my %attachment;
628		732
		733	sub cf::attachable::thawer_merge {
		734	# simply override everything except _meta
		735	local $_[0]{_meta};
		736	%{$_[0]} = %{$_[1]};
		737	}
		738
629	sub _attach_cb($$$$) {	739	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	740	my ($registry, $event, $prio, $cb) = @_;
631		741
632	use sort 'stable';	742	use sort 'stable';
633		743
…		…
667	$registry = $CB_TYPE[$object_type] ||= [];	777	$registry = $CB_TYPE[$object_type] ||= [];
668		778
669	} elsif ($type eq "subtype") {	779	} elsif ($type eq "subtype") {
670	defined $object_type or Carp::croak "subtype specified without type";	780	defined $object_type or Carp::croak "subtype specified without type";
671	my $object_subtype = shift @arg;	781	my $object_subtype = shift @arg;
672	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	782	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
673		783
674	} elsif ($type eq "package") {	784	} elsif ($type eq "package") {
675	my $pkg = shift @arg;	785	my $pkg = shift @arg;
676		786
677	while (my ($name, $id) = each %cb_id) {	787	while (my ($name, $id) = each %cb_id) {
…		…
706	_attach $registry, $klass, @attach;	816	_attach $registry, $klass, @attach;
707	}	817	}
708		818
709	$obj->{$name} = \%arg;	819	$obj->{$name} = \%arg;
710	} else {	820	} else {
711	warn "object uses attachment '$name' that is not available, postponing.\n";	821	warn "object uses attachment '$name' which is not available, postponing.\n";
712	}	822	}
713		823
714	$obj->{_attachment}{$name} = undef;	824	$obj->{_attachment}{$name} = undef;
715	}	825	}
716		826
…		…
718	if (ref $_[0]) {	828	if (ref $_[0]) {
719	_object_attach @_;	829	_object_attach @_;
720	} else {	830	} else {
721	_attach shift->_attach_registry, @_;	831	_attach shift->_attach_registry, @_;
722	}	832	}
		833	_recalc_want;
723	};	834	};
724		835
725	# all those should be optimised	836	# all those should be optimised
726	sub cf::attachable::detach {	837	sub cf::attachable::detach {
727	my ($obj, $name) = @_;	838	my ($obj, $name) = @_;
…		…
730	delete $obj->{_attachment}{$name};	841	delete $obj->{_attachment}{$name};
731	reattach ($obj);	842	reattach ($obj);
732	} else {	843	} else {
733	Carp::croak "cannot, currently, detach class attachments";	844	Carp::croak "cannot, currently, detach class attachments";
734	}	845	}
		846	_recalc_want;
735	};	847	};
736		848
737	sub cf::attachable::attached {	849	sub cf::attachable::attached {
738	my ($obj, $name) = @_;	850	my ($obj, $name) = @_;
739		851
…		…
804	# object support	916	# object support
805		917
806	sub reattach {	918	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	919	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	920	my ($obj) = @_;
		921
		922	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		923
810	my $registry = $obj->registry;	924	my $registry = $obj->registry;
811		925
812	@$registry = ();	926	@$registry = ();
813		927
…		…
860	$filename, length $$rdata, scalar @$objs;	974	$filename, length $$rdata, scalar @$objs;
861		975
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	976	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	977	chmod SAVE_MODE, $fh;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	978	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865	aio_fsync $fh;	979	aio_fsync $fh if $cf::USE_FSYNC;
866	close $fh;	980	close $fh;
867		981
868	if (@$objs) {	982	if (@$objs) {
869	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) {
870	chmod SAVE_MODE, $fh;	984	chmod SAVE_MODE, $fh;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	985	my $data = Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	986	aio_write $fh, 0, (length $data), $data, 0;
873	aio_fsync $fh;	987	aio_fsync $fh if $cf::USE_FSYNC;
874	close $fh;	988	close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	989	aio_rename "$filename.pst~", "$filename.pst";
876	}	990	}
877	} else {	991	} else {
878	aio_unlink "$filename.pst";	992	aio_unlink "$filename.pst";
…		…
910	or return;	1024	or return;
911	$av = eval { (Storable::thaw $av)->{objs} };	1025	$av = eval { (Storable::thaw $av)->{objs} };
912	}	1026	}
913		1027
914	warn sprintf "loading %s (%d)\n",	1028	warn sprintf "loading %s (%d)\n",
915	$filename, length $data, scalar @{$av || []};#d#	1029	$filename, length $data, scalar @{$av || []};
916	return ($data, $av);	1030	return ($data, $av);
917	}	1031	}
		1032
		1033	=head2 COMMAND CALLBACKS
		1034
		1035	=over 4
		1036
		1037	=cut
918		1038
919	#############################################################################	1039	#############################################################################
920	# command handling &c	1040	# command handling &c
921		1041
922	=item cf::register_command $name => \&callback($ob,$args);	1042	=item cf::register_command $name => \&callback($ob,$args);
…		…
935	push @{ $COMMAND{$name} }, [$caller, $cb];	1055	push @{ $COMMAND{$name} }, [$caller, $cb];
936	}	1056	}
937		1057
938	=item cf::register_extcmd $name => \&callback($pl,$packet);	1058	=item cf::register_extcmd $name => \&callback($pl,$packet);
939		1059
940	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.
941		1065
942	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
943	called.	1067	called.
944		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
945	=cut	1080	=cut
946		1081
947	sub register_extcmd {	1082	sub register_extcmd {
948	my ($name, $cb) = @_;	1083	my ($name, $cb) = @_;
949		1084
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	1085	$EXTCMD{$name} = $cb;
		1086	}
		1087
		1088	sub register_exticmd {
		1089	my ($name, $cb) = @_;
		1090
		1091	$EXTICMD{$name} = $cb;
954	}	1092	}
955		1093
956	cf::player->attach (	1094	cf::player->attach (
957	on_command => sub {	1095	on_command => sub {
958	my ($pl, $name, $params) = @_;	1096	my ($pl, $name, $params) = @_;
…		…
967	cf::override;	1105	cf::override;
968	},	1106	},
969	on_extcmd => sub {	1107	on_extcmd => sub {
970	my ($pl, $buf) = @_;	1108	my ($pl, $buf) = @_;
971		1109
972	my $msg = eval { from_json $buf };	1110	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
973		1111
974	if (ref $msg) {	1112	if (ref $msg) {
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1113	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	1114	if (my %reply = $cb->($pl, $msg)) {
977	$pl->ext_reply ($msg->{msgid}, %reply);	1115	$pl->ext_reply ($msg->{msgid}, %reply);
978	}	1116	}
979	}	1117	}
980	} else {	1118	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1119	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
983		1121
984	cf::override;	1122	cf::override;
985	},	1123	},
986	);	1124	);
987		1125
988	sub register {
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {
995	my ($path) = @_;
996
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
998	my $base = $1;
999	my $pkg = $1;
1000	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";
1002
1003	warn "loading '$path' into '$pkg'\n";
1004
1005	open my $fh, "<:utf8", $path
1006	or die "$path: $!";
1007
1008	my $source =
1009	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })
1012	. "\n};\n1";
1013
1014	eval $source
1015	or die $@ ? "$path: $@\n"
1016	: "extension disabled.\n";
1017
1018	push @exts, $pkg;
1019	$ext_pkg{$base} = $pkg;
1020
1021	# no strict 'refs';
1022	# @{"$pkg\::ISA"} = ext::;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }
1037
1038	# remove commands
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}
1047	}
1048
1049	# remove extcmds
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}
1063
1064	sub load_extensions {	1126	sub load_extensions {
		1127	cf::sync_job {
		1128	my %todo;
		1129
1065	for my $ext (<$LIBDIR/*.ext>) {	1130	for my $path (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	1131	next unless -r $path;
1067	eval {	1132
1068	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;
1069	1	1190	}
1070	} or warn "$ext not loaded: $@";	1191
		1192	skip:
		1193	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1194	unless $progress;
		1195	}
1071	}	1196	};
1072	}	1197	}
1073		1198
1074	#############################################################################	1199	#############################################################################
1075	# load/save/clean perl data associated with a map
1076		1200
1077	*cf::mapsupport::on_clean = sub {	1201	=back
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		1202
1090	=head2 CORE EXTENSIONS	1203	=head2 CORE EXTENSIONS
1091		1204
1092	Functions and methods that extend core crossfire objects.	1205	Functions and methods that extend core crossfire objects.
1093		1206
…		…
1106	Returns the given player object, loading it if necessary (might block).	1219	Returns the given player object, loading it if necessary (might block).
1107		1220
1108	=cut	1221	=cut
1109		1222
1110	sub playerdir($) {	1223	sub playerdir($) {
1111	cf::localdir	1224	"$PLAYERDIR/"
1112	. "/"
1113	. cf::playerdir
1114	. "/"
1115	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1225	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1116	}	1226	}
1117		1227
1118	sub path($) {	1228	sub path($) {
1119	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1229	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120		1230
1121	(playerdir $login) . "/$login.pl"	1231	(playerdir $login) . "/playerdata"
1122	}	1232	}
1123		1233
1124	sub find_active($) {	1234	sub find_active($) {
1125	$cf::PLAYER{$_[0]}	1235	$cf::PLAYER{$_[0]}
1126	and $cf::PLAYER{$_[0]}->active	1236	and $cf::PLAYER{$_[0]}->active
…		…
1129		1239
1130	sub exists($) {	1240	sub exists($) {
1131	my ($login) = @_;	1241	my ($login) = @_;
1132		1242
1133	$cf::PLAYER{$login}	1243	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	1244	or cf::sync_job { !aio_stat path $login }
1135	}	1245	}
1136		1246
1137	sub find($) {	1247	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	1248	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	1249	my $login = $_[0];
1140		1250
1141	my $guard = cf::lock_acquire "user_find:$login";	1251	my $guard = cf::lock_acquire "user_find:$login";
1142		1252
1143	$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
1144	my $pl = load_pl path $login	1261	my $pl = load_pl path $login
1145	or return;	1262	or return;
1146	$cf::PLAYER{$login} = $pl	1263	$cf::PLAYER{$login} = $pl
1147	}	1264	}
1148	}	1265	}
…		…
1185		1302
1186	=cut	1303	=cut
1187		1304
1188	sub quit_character {	1305	sub quit_character {
1189	my ($pl) = @_;	1306	my ($pl) = @_;
		1307
		1308	my $name = $pl->ob->name;
1190		1309
1191	$pl->{deny_save} = 1;	1310	$pl->{deny_save} = 1;
1192	$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
1193		1312
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1313	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1199	my $path = playerdir $pl;	1318	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1319	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1320	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1321	delete $cf::PLAYER{$pl->ob->name};
1203	$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
1204	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;
1205	}	1344	}
1206		1345
1207	=item cf::player::list_logins	1346	=item cf::player::list_logins
1208		1347
1209	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
1210	while and may block, so not sync_job-capable, ever.	1349	while and may block, so not sync_job-capable, ever.
1211		1350
1212	=cut	1351	=cut
1213		1352
1214	sub list_logins {	1353	sub list_logins {
1215	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1354	my $dirs = aio_readdir $PLAYERDIR
1216	or return [];	1355	or return [];
1217		1356
1218	my @logins;	1357	my @logins;
1219		1358
1220	for my $login (@$dirs) {	1359	for my $login (@$dirs) {
…		…
1229	\@logins	1368	\@logins
1230	}	1369	}
1231		1370
1232	=item $player->maps	1371	=item $player->maps
1233		1372
1234	Returns an arrayref of cf::path's of all maps that are private for this	1373	Returns an arrayref of map paths that are private for this
1235	player. May block.	1374	player. May block.
1236		1375
1237	=cut	1376	=cut
1238		1377
1239	sub maps($) {	1378	sub maps($) {
1240	my ($pl) = @_;	1379	my ($pl) = @_;
		1380
		1381	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1382
1242	my $files = aio_readdir playerdir $pl	1383	my $files = aio_readdir playerdir $pl
1243	or return;	1384	or return;
1244		1385
1245	my @paths;	1386	my @paths;
…		…
1247	for (@$files) {	1388	for (@$files) {
1248	utf8::decode $_;	1389	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1390	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1391	next unless /^$PATH_SEP/o;
1251		1392
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1393	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1394	}
1254		1395
1255	\@paths	1396	\@paths
1256	}	1397	}
1257		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
1258	=item $player->ext_reply ($msgid, $msgtype, %msg)	1449	=item $player->ext_reply ($msgid, %msg)
1259		1450
1260	Sends an ext reply to the player.	1451	Sends an ext reply to the player.
1261		1452
1262	=cut	1453	=cut
1263		1454
1264	sub ext_reply($$$%) {	1455	sub ext_reply($$%) {
1265	my ($self, $id, %msg) = @_;	1456	my ($self, $id, %msg) = @_;
1266		1457
1267	$msg{msgid} = $id;	1458	$msg{msgid} = $id;
1268		1459	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1269	$self->send ("ext " . cf::to_json \%msg);
1270	}	1460	}
1271		1461
1272	package cf;	1462	=item $player->ext_event ($type, %msg)
		1463
		1464	Sends an ext event to the client.
		1465
		1466	=cut
		1467
		1468	sub ext_event($$%) {
		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	}
1273		1502
1274	=back	1503	=back
1275
1276		1504
1277	=head3 cf::map	1505	=head3 cf::map
1278		1506
1279	=over 4	1507	=over 4
1280		1508
…		…
1283	package cf::map;	1511	package cf::map;
1284		1512
1285	use Fcntl;	1513	use Fcntl;
1286	use Coro::AIO;	1514	use Coro::AIO;
1287		1515
		1516	use overload
		1517	'""' => \&as_string,
		1518	fallback => 1;
		1519
1288	our $MAX_RESET = 3600;	1520	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1521	our $DEFAULT_RESET = 3000;
1290		1522
1291	sub generate_random_map {	1523	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1524	my ($self, $rmp) = @_;
1293
1294	# mit "rum" bekleckern, nicht	1525	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1526	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1527	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1528	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1529	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1530	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1531	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1532	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1533	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1534	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1535	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1536	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})	1537	(cf::region::find $rmp->{region}), $rmp->{custom}
		1538	)
		1539	}
		1540
		1541	=item cf::map->register ($regex, $prio)
		1542
		1543	Register a handler for the map path matching the given regex at the
		1544	givne priority (higher is better, built-in handlers have priority 0, the
		1545	default).
		1546
		1547	=cut
		1548
		1549	sub register {
		1550	my (undef, $regex, $prio) = @_;
		1551	my $pkg = caller;
		1552
		1553	no strict;
		1554	push @{"$pkg\::ISA"}, __PACKAGE__;
		1555
		1556	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1557	}
		1558
		1559	# also paths starting with '/'
		1560	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1561
		1562	sub thawer_merge {
		1563	my ($self, $merge) = @_;
		1564
		1565	# we have to keep some variables in memory intact
		1566	local $self->{path};
		1567	local $self->{load_path};
		1568
		1569	$self->SUPER::thawer_merge ($merge);
		1570	}
		1571
		1572	sub normalise {
		1573	my ($path, $base) = @_;
		1574
		1575	$path = "$path"; # make sure its a string
		1576
		1577	$path =~ s/\.map$//;
		1578
		1579	# map plan:
		1580	#
		1581	# /! non-realised random map exit (special hack!)
		1582	# {... are special paths that are not being touched
		1583	# ?xxx/... are special absolute paths
		1584	# ?random/... random maps
		1585	# /... normal maps
		1586	# ~user/... per-player map of a specific user
		1587
		1588	$path =~ s/$PATH_SEP/\//go;
		1589
		1590	# treat it as relative path if it starts with
		1591	# something that looks reasonable
		1592	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1593	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1594
		1595	$base =~ s{[^/]+/?$}{};
		1596	$path = "$base/$path";
		1597	}
		1598
		1599	for ($path) {
		1600	redo if s{//}{/};
		1601	redo if s{/\.?/}{/};
		1602	redo if s{/[^/]+/\.\./}{/};
		1603	}
		1604
		1605	$path
		1606	}
		1607
		1608	sub new_from_path {
		1609	my (undef, $path, $base) = @_;
		1610
		1611	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1612
		1613	$path = normalise $path, $base;
		1614
		1615	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1616	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1617	my $self = bless cf::map::new, $pkg;
		1618	$self->{path} = $path; $self->path ($path);
		1619	$self->init; # pass $1 etc.
		1620	return $self;
		1621	}
		1622	}
		1623
		1624	Carp::carp "unable to resolve path '$path' (base '$base').";
		1625	()
		1626	}
		1627
		1628	sub init {
		1629	my ($self) = @_;
		1630
		1631	$self
		1632	}
		1633
		1634	sub as_string {
		1635	my ($self) = @_;
		1636
		1637	"$self->{path}"
		1638	}
		1639
		1640	# the displayed name, this is a one way mapping
		1641	sub visible_name {
		1642	&as_string
		1643	}
		1644
		1645	# the original (read-only) location
		1646	sub load_path {
		1647	my ($self) = @_;
		1648
		1649	"$MAPDIR/$self->{path}.map"
		1650	}
		1651
		1652	# the temporary/swap location
		1653	sub save_path {
		1654	my ($self) = @_;
		1655
		1656	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1657	"$TMPDIR/$path.map"
		1658	}
		1659
		1660	# the unique path, undef == no special unique path
		1661	sub uniq_path {
		1662	my ($self) = @_;
		1663
		1664	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1665	"$UNIQUEDIR/$path"
1308	}	1666	}
1309		1667
1310	# and all this just because we cannot iterate over	1668	# and all this just because we cannot iterate over
1311	# all maps in C++...	1669	# all maps in C++...
1312	sub change_all_map_light {	1670	sub change_all_map_light {
…		…
1314		1672
1315	$_->change_map_light ($change)	1673	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1674	for grep $_->outdoor, values %cf::MAP;
1317	}	1675	}
1318		1676
		1677	sub decay_objects {
		1678	my ($self) = @_;
		1679
		1680	return if $self->{deny_reset};
		1681
		1682	$self->do_decay_objects;
		1683	}
		1684
		1685	sub unlink_save {
		1686	my ($self) = @_;
		1687
		1688	utf8::encode (my $save = $self->save_path);
		1689	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1690	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1691	}
		1692
1319	sub try_load_header($) {	1693	sub load_header_from($) {
1320	my ($path) = @_;	1694	my ($self, $path) = @_;
1321		1695
1322	utf8::encode $path;	1696	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1697	#aio_open $path, O_RDONLY, 0
		1698	# or return;
		1699
		1700	$self->_load_header ($path)
1324	or return;	1701	or return;
1325		1702
1326	my $map = cf::map::new	1703	$self->{load_path} = $path;
		1704
		1705	1
		1706	}
		1707
		1708	sub load_header_orig {
		1709	my ($self) = @_;
		1710
		1711	$self->load_header_from ($self->load_path)
		1712	}
		1713
		1714	sub load_header_temp {
		1715	my ($self) = @_;
		1716
		1717	$self->load_header_from ($self->save_path)
		1718	}
		1719
		1720	sub prepare_temp {
		1721	my ($self) = @_;
		1722
		1723	$self->last_access ((delete $self->{last_access})
		1724	|| $cf::RUNTIME); #d#
		1725	# safety
		1726	$self->{instantiate_time} = $cf::RUNTIME
		1727	if $self->{instantiate_time} > $cf::RUNTIME;
		1728	}
		1729
		1730	sub prepare_orig {
		1731	my ($self) = @_;
		1732
		1733	$self->{load_original} = 1;
		1734	$self->{instantiate_time} = $cf::RUNTIME;
		1735	$self->last_access ($cf::RUNTIME);
		1736	$self->instantiate;
		1737	}
		1738
		1739	sub load_header {
		1740	my ($self) = @_;
		1741
		1742	if ($self->load_header_temp) {
		1743	$self->prepare_temp;
		1744	} else {
		1745	$self->load_header_orig
1327	or return;	1746	or return;
		1747	$self->prepare_orig;
		1748	}
1328		1749
1329	# for better error messages only, will be overwritten	1750	$self->{deny_reset} = 1
1330	$map->path ($path);	1751	if $self->no_reset;
1331		1752
1332	$map->load_header ($path)	1753	$self->default_region (cf::region::find_by_path $self->{path})
1333	or return;	1754	unless $self->default_region;
1334		1755
1335	$map->{load_path} = $path;	1756	1
1336
1337	$map
1338	}	1757	}
1339		1758
1340	sub find;	1759	sub find;
1341	sub find {	1760	sub find {
1342	my ($path, $origin) = @_;	1761	my ($path, $origin) = @_;
1343		1762
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1763	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1764
1349	cf::lock_wait "map_find:$key";	1765	cf::lock_wait "map_find:$path";
1350		1766
1351	$cf::MAP{$key} || do {	1767	$cf::MAP{$path} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1768	my $guard = cf::lock_acquire "map_find:$path";
1353		1769	my $map = new_from_path cf::map $path
1354	# do it the slow way
1355	my $map = try_load_header $path->save_path;
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	1770	or return;
1373		1771
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	1772	$map->{last_save} = $cf::RUNTIME;
1386		1773
1387	Coro::cede;	1774	$map->load_header
		1775	or return;
1388		1776
1389	if ($map->should_reset) {	1777	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1778	# doing this can freeze the server in a sync job, obviously
		1779	#$cf::WAIT_FOR_TICK->wait;
1390	$map->reset;	1780	$map->reset;
1391	undef $guard;	1781	undef $guard;
1392	$map = find $path	1782	return find $path;
1393	or return;
1394	}	1783	}
1395		1784
1396	$cf::MAP{$key} = $map	1785	$cf::MAP{$path} = $map
1397	}	1786	}
1398	}	1787	}
		1788
		1789	sub pre_load { }
		1790	sub post_load { }
1399		1791
1400	sub load {	1792	sub load {
1401	my ($self) = @_;	1793	my ($self) = @_;
1402		1794
		1795	local $self->{deny_reset} = 1; # loading can take a long time
		1796
1403	my $path = $self->{path};	1797	my $path = $self->{path};
		1798
		1799	{
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1800	my $guard = cf::lock_acquire "map_load:$path";
1405		1801
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1802	return if $self->in_memory != cf::MAP_SWAPPED;
1407		1803
1408	$self->in_memory (cf::MAP_LOADING);	1804	$self->in_memory (cf::MAP_LOADING);
1409		1805
1410	$self->alloc;	1806	$self->alloc;
		1807
		1808	$self->pre_load;
		1809	Coro::cede;
		1810
1411	$self->load_objects ($self->{load_path}, 1)	1811	$self->_load_objects ($self->{load_path}, 1)
1412	or return;	1812	or return;
1413		1813
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1814	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415	if delete $self->{load_original};	1815	if delete $self->{load_original};
1416		1816
1417	if (my $uniq = $path->uniq_path) {	1817	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	1818	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	1819	if (aio_open $uniq, O_RDONLY, 0) {
1420	$self->clear_unique_items;	1820	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	1821	$self->_load_objects ($uniq, 0);
1422	}	1822	}
1423	}	1823	}
1424		1824
1425	Coro::cede;	1825	Coro::cede;
1426
1427	# now do the right thing for maps	1826	# now do the right thing for maps
1428	$self->link_multipart_objects;	1827	$self->link_multipart_objects;
1429
1430	if ($self->{path}->is_style_map) {
1431	$self->{deny_save} = 1;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;
1437	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	1828	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	1829	unless $self->difficulty;
		1830	Coro::cede;
		1831
		1832	unless ($self->{deny_activate}) {
		1833	$self->decay_objects;
		1834	$self->fix_auto_apply;
		1835	$self->update_buttons;
		1836	Coro::cede;
		1837	$self->set_darkness_map;
		1838	Coro::cede;
1440	$self->activate;	1839	$self->activate;
1441	}	1840	}
1442		1841
1443	Coro::cede;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);	1842	$self->in_memory (cf::MAP_IN_MEMORY);
		1843	}
		1844
		1845	$self->post_load;
		1846	}
		1847
		1848	sub customise_for {
		1849	my ($self, $ob) = @_;
		1850
		1851	return find "~" . $ob->name . "/" . $self->{path}
		1852	if $self->per_player;
		1853
		1854	# return find "?party/" . $ob->name . "/" . $self->{path}
		1855	# if $self->per_party;
		1856
		1857	$self
1446	}	1858	}
1447		1859
1448	# find and load all maps in the 3x3 area around a map	1860	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	1861	sub load_diag {
1450	my ($map) = @_;	1862	my ($map) = @_;
…		…
1480		1892
1481	cf::sync_job { $map->load };	1893	cf::sync_job { $map->load };
1482	}	1894	}
1483		1895
1484	our %MAP_PREFETCH;	1896	our %MAP_PREFETCH;
1485	our $MAP_PREFETCHER = Coro::async {	1897	our $MAP_PREFETCHER = undef;
1486	while () {
1487	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH
1489	or next;
1490	my $path = delete $MAP_PREFETCH{$key};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}
1496	Coro::schedule;
1497	}
1498	};
1499		1898
1500	sub find_async {	1899	sub find_async {
1501	my ($path, $origin) = @_;	1900	my ($path, $origin) = @_;
1502		1901
1503	$path = new cf::path $path, $origin && $origin->path;	1902	$path = normalise $path, $origin && $origin->{path};
1504	my $key = $path->as_string;
1505		1903
1506	if (my $map = $cf::MAP{$key}) {	1904	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1905	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}	1906	}
1509		1907
1510	$MAP_PREFETCH{$key} = $path;	1908	undef $MAP_PREFETCH{$path};
		1909	$MAP_PREFETCHER ||= cf::async {
		1910	while (%MAP_PREFETCH) {
		1911	for my $path (keys %MAP_PREFETCH) {
		1912	my $map = find $path
		1913	or next;
		1914	$map->load;
		1915
		1916	delete $MAP_PREFETCH{$path};
		1917	}
		1918	}
		1919	undef $MAP_PREFETCHER;
		1920	};
1511	$MAP_PREFETCHER->ready;	1921	$MAP_PREFETCHER->prio (6);
1512		1922
1513	()	1923	()
1514	}	1924	}
1515		1925
1516	sub save {	1926	sub save {
…		…
1520		1930
1521	$self->{last_save} = $cf::RUNTIME;	1931	$self->{last_save} = $cf::RUNTIME;
1522		1932
1523	return unless $self->dirty;	1933	return unless $self->dirty;
1524		1934
1525	my $save = $self->{path}->save_path; utf8::encode $save;	1935	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1936	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		1937
1528	$self->{load_path} = $save;	1938	$self->{load_path} = $save;
1529		1939
1530	return if $self->{deny_save};	1940	return if $self->{deny_save};
1531		1941
…		…
1534	cf::async {	1944	cf::async {
1535	$_->contr->save for $self->players;	1945	$_->contr->save for $self->players;
1536	};	1946	};
1537		1947
1538	if ($uniq) {	1948	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1949	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	1950	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	1951	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1952	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	1953	}
1544	}	1954	}
1545		1955
1546	sub swap_out {	1956	sub swap_out {
1547	my ($self) = @_;	1957	my ($self) = @_;
…		…
1561		1971
1562	sub reset_at {	1972	sub reset_at {
1563	my ($self) = @_;	1973	my ($self) = @_;
1564		1974
1565	# TODO: safety, remove and allow resettable per-player maps	1975	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};
1567	return 1e99 if $self->{deny_reset};	1976	return 1e99 if $self->{deny_reset};
1568		1977
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1978	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1979	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		1980
…		…
1576	my ($self) = @_;	1985	my ($self) = @_;
1577		1986
1578	$self->reset_at <= $cf::RUNTIME	1987	$self->reset_at <= $cf::RUNTIME
1579	}	1988	}
1580		1989
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	1990	sub reset {
1603	my ($self) = @_;	1991	my ($self) = @_;
1604		1992
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		1994
1607	return if $self->players;	1995	return if $self->players;
1608	return if $self->{path}{user_rel};#d#
1609		1996
1610	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	}
1611		2008
1612	delete $cf::MAP{$self->path};	2009	delete $cf::MAP{$self->path};
		2010
		2011	$self->clear;
1613		2012
1614	$_->clear_links_to ($self) for values %cf::MAP;	2013	$_->clear_links_to ($self) for values %cf::MAP;
1615		2014
1616	$self->unlink_save;	2015	$self->unlink_save;
1617	$self->destroy;	2016	$self->destroy;
…		…
1620	my $nuke_counter = "aaaa";	2019	my $nuke_counter = "aaaa";
1621		2020
1622	sub nuke {	2021	sub nuke {
1623	my ($self) = @_;	2022	my ($self) = @_;
1624		2023
		2024	delete $cf::MAP{$self->path};
		2025
		2026	$self->unlink_save;
		2027
		2028	bless $self, "cf::map";
		2029	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2030	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2031	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	2032	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2033
		2034	$cf::MAP{$self->path} = $self;
		2035
1628	$self->reset; # polite request, might not happen	2036	$self->reset; # polite request, might not happen
1629	}	2037	}
1630		2038
1631	sub customise_for {	2039	=item $maps = cf::map::tmp_maps
1632	my ($map, $ob) = @_;
1633		2040
1634	if ($map->per_player) {	2041	Returns an arrayref with all map paths of currently instantiated and saved
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2042	maps. May block.
		2043
		2044	=cut
		2045
		2046	sub tmp_maps() {
1636	}	2047	[
		2048	map {
		2049	utf8::decode $_;
		2050	/\.map$/
		2051	? normalise $_
		2052	: ()
		2053	} @{ aio_readdir $TMPDIR or [] }
		2054	]
		2055	}
1637		2056
1638	$map	2057	=item $maps = cf::map::random_maps
		2058
		2059	Returns an arrayref with all map paths of currently instantiated and saved
		2060	random maps. May block.
		2061
		2062	=cut
		2063
		2064	sub random_maps() {
		2065	[
		2066	map {
		2067	utf8::decode $_;
		2068	/\.map$/
		2069	? normalise "?random/$_"
		2070	: ()
		2071	} @{ aio_readdir $RANDOMDIR or [] }
		2072	]
1639	}	2073	}
1640		2074
1641	=item cf::map::unique_maps	2075	=item cf::map::unique_maps
1642		2076
1643	Returns an arrayref of cf::path's of all shared maps that have	2077	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	2078	instantiated unique items. May block.
1645		2079
1646	=cut	2080	=cut
1647		2081
1648	sub unique_maps() {	2082	sub unique_maps() {
1649	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2083	[
1650	or return;	2084	map {
1651
1652	my @paths;
1653
1654	for (@$files) {
1655	utf8::decode $_;	2085	utf8::decode $_;
1656	next if /\.pst$/;	2086	/\.map$/
1657	next unless /^$PATH_SEP/o;	2087	? normalise $_
1658		2088	: ()
1659	push @paths, new cf::path $_;	2089	} @{ aio_readdir $UNIQUEDIR or [] }
1660	}	2090	]
1661
1662	\@paths
1663	}	2091	}
1664		2092
1665	package cf;	2093	package cf;
1666		2094
1667	=back	2095	=back
…		…
1713		2141
1714	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2142	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1715		2143
1716	if ($self->{record_replies}) {	2144	if ($self->{record_replies}) {
1717	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2145	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2146
1718	} 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 {
1719	$msg = $npc->name . " says: $msg" if $npc;	2160	$msg = $npc->name . " says: $msg" if $npc;
1720	$self->message ($msg, $flags);	2161	$self->message ($msg, $flags);
		2162	}
1721	}	2163	}
1722	}	2164	}
1723		2165
1724	=item $player_object->may ("access")	2166	=item $player_object->may ("access")
1725		2167
…		…
1739		2181
1740	=item $player_object->enter_link	2182	=item $player_object->enter_link
1741		2183
1742	Freezes the player and moves him/her to a special map (C<{link}>).	2184	Freezes the player and moves him/her to a special map (C<{link}>).
1743		2185
1744	The player should be reaosnably safe there for short amounts of time. You	2186	The player should be reasonably safe there for short amounts of time. You
1745	I<MUST> call C<leave_link> as soon as possible, though.	2187	I<MUST> call C<leave_link> as soon as possible, though.
1746		2188
		2189	Will never block.
		2190
1747	=item $player_object->leave_link ($map, $x, $y)	2191	=item $player_object->leave_link ($map, $x, $y)
1748		2192
1749	Moves the player out of the specila link map onto the given map. If the	2193	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	2194	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	2195	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	2196	fails, to the emergency map position.
1753		2197
1754	Might block.	2198	Might block.
1755		2199
1756	=cut	2200	=cut
		2201
		2202	sub link_map {
		2203	unless ($LINK_MAP) {
		2204	$LINK_MAP = cf::map::find "{link}"
		2205	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2206	$LINK_MAP->load;
		2207	}
		2208
		2209	$LINK_MAP
		2210	}
1757		2211
1758	sub cf::object::player::enter_link {	2212	sub cf::object::player::enter_link {
1759	my ($self) = @_;	2213	my ($self) = @_;
1760		2214
1761	$self->deactivate_recursive;	2215	$self->deactivate_recursive;
1762		2216
1763	return if $self->map == $LINK_MAP;	2217	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		2218
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2219	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	2220	if $self->map && $self->map->{path} ne "{link}";
1767		2221
1768	$self->enter_map ($LINK_MAP, 20, 20);	2222	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	2223	}
1770		2224
1771	sub cf::object::player::leave_link {	2225	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	2226	my ($self, $map, $x, $y) = @_;
		2227
		2228	return unless $self->contr->active;
1773		2229
1774	my $link_pos = delete $self->{_link_pos};	2230	my $link_pos = delete $self->{_link_pos};
1775		2231
1776	unless ($map) {	2232	unless ($map) {
1777	# restore original map position	2233	# restore original map position
…		…
1795	$map->load;	2251	$map->load;
1796	$map->load_diag;	2252	$map->load_diag;
1797		2253
1798	return unless $self->contr->active;	2254	return unless $self->contr->active;
1799	$self->activate_recursive;	2255	$self->activate_recursive;
		2256
		2257	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800	$self->enter_map ($map, $x, $y);	2258	$self->enter_map ($map, $x, $y);
1801	}	2259	}
1802		2260
1803	cf::player->attach (
1804	on_logout => sub {
1805	my ($pl) = @_;
1806
1807	# abort map switching before logout
1808	if ($pl->ob->{_link_pos}) {
1809	cf::sync_job {
1810	$pl->ob->leave_link
1811	};
1812	}
1813	},
1814	on_login => sub {
1815	my ($pl) = @_;
1816
1817	# try to abort aborted map switching on player login :)
1818	# should happen only on crashes
1819	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;
1821	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "
1826	. "the server will try to bring you to your intended destination in a second.",
1827	cf::NDI_RED);
1828	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;
1830	})->prio (2);
1831	}
1832	},
1833	);
1834
1835	=item $player_object->goto ($path, $x, $y)	2261	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1836		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
1837	=cut	2268	=cut
		2269
		2270	our $GOTOGEN;
1838		2271
1839	sub cf::object::player::goto {	2272	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	2273	my ($self, $path, $x, $y, $check) = @_;
1841		2274
1842	$path = new cf::path $path;	2275	# do generation counting so two concurrent goto's will be executed in-order
		2276	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1843		2277
1844	$self->enter_link;	2278	$self->enter_link;
1845		2279
1846	(async {	2280	(async {
		2281	my $map = eval {
1847	my $map = cf::map::find $path->as_string;	2282	my $map = cf::map::find $path;
		2283
		2284	if ($map) {
1848	$map = $map->customise_for ($self) if $map;	2285	$map = $map->customise_for ($self);
1849		2286	$map = $check->($map) if $check && $map;
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	2287	} else {
1851	# if $map;
1852
1853	$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	}
1854		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};
1855	$self->leave_link ($map, $x, $y);	2301	$self->leave_link ($map, $x, $y);
		2302	}
1856	})->prio (1);	2303	})->prio (1);
1857	}	2304	}
1858		2305
1859	=item $player_object->enter_exit ($exit_object)	2306	=item $player_object->enter_exit ($exit_object)
1860		2307
…		…
1862		2309
1863	sub parse_random_map_params {	2310	sub parse_random_map_params {
1864	my ($spec) = @_;	2311	my ($spec) = @_;
1865		2312
1866	my $rmp = { # defaults	2313	my $rmp = { # defaults
1867	xsize => 10,	2314	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	2315	ysize => (cf::rndm 15, 40),
		2316	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2317	#layout => string,
1869	};	2318	};
1870		2319
1871	for (split /\n/, $spec) {	2320	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	2321	my ($k, $v) = split /\s+/, $_, 2;
1873		2322
…		…
1877	$rmp	2326	$rmp
1878	}	2327	}
1879		2328
1880	sub prepare_random_map {	2329	sub prepare_random_map {
1881	my ($exit) = @_;	2330	my ($exit) = @_;
		2331
		2332	my $guard = cf::lock_acquire "exit_prepare:$exit";
1882		2333
1883	# all this does is basically replace the /! path by	2334	# all this does is basically replace the /! path by
1884	# a new random map path (?random/...) with a seed	2335	# a new random map path (?random/...) with a seed
1885	# that depends on the exit object	2336	# that depends on the exit object
1886		2337
1887	my $rmp = parse_random_map_params $exit->msg;	2338	my $rmp = parse_random_map_params $exit->msg;
1888		2339
1889	if ($exit->map) {	2340	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	2341	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	2342	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	2343	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	2344	$rmp->{origin_y} = $exit->y;
1894	}	2345	}
1895		2346
1896	$rmp->{random_seed} ||= $exit->random_seed;	2347	$rmp->{random_seed} ||= $exit->random_seed;
1897		2348
1898	my $data = cf::to_json $rmp;	2349	my $data = cf::to_json $rmp;
1899	my $md5 = Digest::MD5::md5_hex $data;	2350	my $md5 = Digest::MD5::md5_hex $data;
		2351	my $meta = "$RANDOMDIR/$md5.meta";
1900		2352
1901	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) {
1902	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;
1903		2357
1904	$exit->slaying ("?random/$md5");	2358	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	2359	$exit->msg (undef);
1906	}	2360	}
1907	}	2361	}
…		…
1909	sub cf::object::player::enter_exit {	2363	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	2364	my ($self, $exit) = @_;
1911		2365
1912	return unless $self->type == cf::PLAYER;	2366	return unless $self->type == cf::PLAYER;
1913		2367
		2368	if ($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
1914	$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);
1915		2384
1916	(async {	2385	(async {
1917	$self->deactivate_recursive; # just to be sure	2386	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	2387	unless (eval {
1919	prepare_random_map $exit	2388	$self->goto ($slaying, $hp, $sp);
1920	if $exit->slaying eq "/!";
1921
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924		2389
1925	1;	2390	1;
1926	}) {	2391	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	2392	$self->message ("Something went wrong deep within the crossfire server. "
1928	. "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. "
1929	. "Please report this to the dungeon master!",	2394	. "Please report this to the dungeon master!",
1930	cf::NDI_UNIQUE | cf::NDI_RED);	2395	cf::NDI_UNIQUE | cf::NDI_RED);
1931		2396
1932	warn "ERROR in enter_exit: $@";	2397	warn "ERROR in enter_exit: $@";
1933	$self->leave_link;	2398	$self->leave_link;
1934	}	2399	}
1935	})->prio (1);	2400	})->prio (1);
…		…
1948		2413
1949	sub cf::client::send_drawinfo {	2414	sub cf::client::send_drawinfo {
1950	my ($self, $text, $flags) = @_;	2415	my ($self, $text, $flags) = @_;
1951		2416
1952	utf8::encode $text;	2417	utf8::encode $text;
1953	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2418	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954	}	2419	}
1955		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	}
1956		2473
1957	=item $success = $client->query ($flags, "text", \&cb)	2474	=item $success = $client->query ($flags, "text", \&cb)
1958		2475
1959	Queues a query to the client, calling the given callback with	2476	Queues a query to the client, calling the given callback with
1960	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>,
1961	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>.
1962		2479
1963	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
1964	reliable at some point in the future.	2481	become reliable at some point in the future.
1965		2482
1966	=cut	2483	=cut
1967		2484
1968	sub cf::client::query {	2485	sub cf::client::query {
1969	my ($self, $flags, $text, $cb) = @_;	2486	my ($self, $flags, $text, $cb) = @_;
…		…
1977	utf8::encode $text;	2494	utf8::encode $text;
1978	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2495	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1979		2496
1980	$self->send_packet ($self->{query_queue}[0][0])	2497	$self->send_packet ($self->{query_queue}[0][0])
1981	if @{ $self->{query_queue} } == 1;	2498	if @{ $self->{query_queue} } == 1;
		2499
		2500	1
1982	}	2501	}
1983		2502
1984	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	},
1985	on_reply => sub {	2509	on_reply => sub {
1986	my ($ns, $msg) = @_;	2510	my ($ns, $msg) = @_;
1987		2511
1988	# this weird shuffling is so that direct followup queries	2512	# this weird shuffling is so that direct followup queries
1989	# get handled first	2513	# get handled first
1990	my $queue = delete $ns->{query_queue}	2514	my $queue = delete $ns->{query_queue}
1991	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
1992		2516
1993	(shift @$queue)->[1]->($msg);	2517	(shift @$queue)->[1]->($msg);
		2518	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		2519
1995	push @{ $ns->{query_queue} }, @$queue;	2520	push @{ $ns->{query_queue} }, @$queue;
1996		2521
1997	if (@{ $ns->{query_queue} } == @$queue) {	2522	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	2523	if (@$queue) {
…		…
2000	} else {	2525	} else {
2001	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2526	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2002	}	2527	}
2003	}	2528	}
2004	},	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	},
2005	);	2548	);
2006		2549
2007	=item $client->async (\&cb)	2550	=item $client->async (\&cb)
2008		2551
2009	Create a new coroutine, running the specified callback. The coroutine will	2552	Create a new coroutine, running the specified callback. The coroutine will
…		…
2056		2599
2057	# here we export the classes and methods available to script code	2600	# here we export the classes and methods available to script code
2058		2601
2059	=pod	2602	=pod
2060		2603
2061	The following fucntions and emthods are available within a safe environment:	2604	The following functions and methods are available within a safe environment:
2062		2605
2063	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
2064	cf::object::player player	2610	cf::object::player
2065	cf::player peaceful	2611	player
2066	cf::map trigger	2612
		2613	cf::player
		2614	peaceful
		2615
		2616	cf::map
		2617	trigger
2067		2618
2068	=cut	2619	=cut
2069		2620
2070	for (	2621	for (
2071	["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)],
2072	["cf::object::player" => qw(player)],	2624	["cf::object::player" => qw(player)],
2073	["cf::player" => qw(peaceful)],	2625	["cf::player" => qw(peaceful)],
2074	["cf::map" => qw(trigger)],	2626	["cf::map" => qw(trigger)],
2075	) {	2627	) {
2076	no strict 'refs';	2628	no strict 'refs';
…		…
2147	=back	2699	=back
2148		2700
2149	=cut	2701	=cut
2150		2702
2151	#############################################################################	2703	#############################################################################
		2704	# the server's init and main functions
2152		2705
2153	=head2 EXTENSION DATABASE SUPPORT	2706	sub load_facedata($) {
		2707	my ($path) = @_;
2154		2708
2155	Crossfire maintains a very simple database for extension use. It can	2709	warn "loading facedata from $path\n";
2156	currently store anything that can be serialised using Storable, which
2157	excludes objects.
2158		2710
2159	The parameter C<$family> should best start with the name of the extension	2711	my $facedata;
2160	using it, it should be unique.	2712	0 < aio_load $path, $facedata
		2713	or die "$path: $!";
2161		2714
2162	=over 4	2715	$facedata = Coro::Storable::thaw $facedata;
2163		2716
2164	=item $hashref = cf::db_get $family	2717	$facedata->{version} == 2
		2718	or cf::cleanup "$path: version mismatch, cannot proceed.";
2165		2719
2166	Return a hashref for use by the extension C<$family>, which can be
2167	modified. After modifications, you have to call C<cf::db_dirty> or
2168	C<cf::db_sync>.
2169
2170	=item $value = cf::db_get $family => $key
2171
2172	Returns a single value from the database
2173
2174	=item cf::db_put $family => $hashref
2175
2176	Stores the given family hashref into the database. Updates are delayed, if
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178
2179	=item cf::db_put $family => $key => $value
2180
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191
2192	=cut
2193
2194	our $DB;
2195
2196	{
2197	my $path = cf::localdir . "/database.pst";
2198
2199	sub db_load() {
2200	$DB = stat $path ? Storable::retrieve $path : { };
2201	}	2720	{
		2721	my $faces = $facedata->{faceinfo};
2202		2722
2203	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};
2204		2729
2205	sub db_save() {	2730	cf::cede_to_tick;
2206	waitpid $pid, 0 if $pid;
2207	if (0 == ($pid = fork)) {
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});
2225
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}
2230
2231	sub db_get($;$) {
2232	@_ >= 2
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236
2237	sub db_put($$;$) {
2238	if (@_ >= 3) {
2239	$DB->{$_[0]}{$_[1]} = $_[2];
2240	} else {
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245
2246	cf::global->attach (
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	2731	}
2251	);
2252	}
2253		2732
2254	#############################################################################	2733	while (my ($face, $info) = each %$faces) {
2255	# 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	}
2256		2825
2257	sub cfg_load {	2826	sub cfg_load {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	2827	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	2828	or return;
2260		2829
2261	local $/;	2830	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	2831	*CFG = YAML::Syck::Load <$fh>;
2263		2832
…		…
2277		2846
2278	sub main {	2847	sub main {
2279	# we must not ever block the main coroutine	2848	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	2849	local $Coro::idle = sub {
2281	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 {
2282	async { Event::one_event };	2852	Event::one_event;
		2853	})->prio (Coro::PRIO_MAX);
2283	};	2854	};
2284		2855
2285	cfg_load;	2856	cfg_load;
2286	db_load;	2857	db_init;
2287	load_extensions;	2858	load_extensions;
		2859
		2860	$TICK_WATCHER->start;
2288	Event::loop;	2861	Event::loop;
2289	}	2862	}
2290		2863
2291	#############################################################################	2864	#############################################################################
2292	# initialisation and cleanup	2865	# initialisation and cleanup
2293		2866
2294	# install some emergency cleanup handlers	2867	# install some emergency cleanup handlers
2295	BEGIN {	2868	BEGIN {
2296	for my $signal (qw(INT HUP TERM)) {	2869	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	2870	Event->signal (
		2871	reentrant => 0,
2298	data => WF_AUTOCANCEL,	2872	data => WF_AUTOCANCEL,
2299	signal => $signal,	2873	signal => $signal,
		2874	prio => 0,
2300	cb => sub {	2875	cb => sub {
2301	cf::cleanup "SIG$signal";	2876	cf::cleanup "SIG$signal";
2302	},	2877	},
2303	);	2878	);
2304	}	2879	}
2305	}	2880	}
2306		2881
		2882	sub write_runtime {
		2883	my $runtime = "$LOCALDIR/runtime";
		2884
		2885	# first touch the runtime file to show we are still running:
		2886	# the fsync below can take a very very long time.
		2887
		2888	IO::AIO::aio_utime $runtime, undef, undef;
		2889
		2890	my $guard = cf::lock_acquire "write_runtime";
		2891
		2892	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2893	or return;
		2894
		2895	my $value = $cf::RUNTIME + 90 + 10;
		2896	# 10 is the runtime save interval, for a monotonic clock
		2897	# 60 allows for the watchdog to kill the server.
		2898
		2899	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2900	and return;
		2901
		2902	# always fsync - this file is important
		2903	aio_fsync $fh
		2904	and return;
		2905
		2906	# touch it again to show we are up-to-date
		2907	aio_utime $fh, undef, undef;
		2908
		2909	close $fh
		2910	or return;
		2911
		2912	aio_rename "$runtime~", $runtime
		2913	and return;
		2914
		2915	warn "runtime file written.\n";
		2916
		2917	1
		2918	}
		2919
2307	sub emergency_save() {	2920	sub emergency_save() {
2308	my $freeze_guard = cf::freeze_mainloop;	2921	my $freeze_guard = cf::freeze_mainloop;
2309		2922
2310	warn "enter emergency perl save\n";	2923	warn "enter emergency perl save\n";
2311		2924
2312	cf::sync_job {	2925	cf::sync_job {
2313	# use a peculiar iteration method to avoid tripping on perl	2926	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	2927	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	2928	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	2929	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	2930	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	2931	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	2932	$pl->valid or next;
2320	$pl->save;	2933	$pl->save;
…		…
2326	my $map = $cf::MAP{$path} or next;	2939	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	2940	$map->valid or next;
2328	$map->save;	2941	$map->save;
2329	}	2942	}
2330	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 $DB_ENV;
		2947	warn "end emergency database checkpoint\n";
2331	};	2948	};
2332		2949
2333	warn "leave emergency perl save\n";	2950	warn "leave emergency perl save\n";
2334	}	2951	}
2335		2952
		2953	sub post_cleanup {
		2954	my ($make_core) = @_;
		2955
		2956	warn Carp::longmess "post_cleanup backtrace"
		2957	if $make_core;
		2958	}
		2959
2336	sub reload() {	2960	sub do_reload_perl() {
2337	# can/must only be called in main	2961	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	2962	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	2963	warn "can only reload from main coroutine";
2340	return;	2964	return;
2341	}	2965	}
2342		2966
2343	warn "reloading...";	2967	warn "reloading...";
2344		2968
2345	my $guard = freeze_mainloop;	2969	warn "entering sync_job";
		2970
		2971	cf::sync_job {
		2972	cf::write_runtime; # external watchdog should not bark
2346	cf::emergency_save;	2973	cf::emergency_save;
		2974	cf::write_runtime; # external watchdog should not bark
2347		2975
2348	eval {	2976	warn "syncing database to disk";
		2977	BDB::db_env_txn_checkpoint $DB_ENV;
		2978
2349	# 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
2350		2980
2351	# cancel all watchers	2981	warn "cancelling all WF_AUTOCANCEL watchers";
2352	for (Event::all_watchers) {	2982	for (Event::all_watchers) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	2983	$_->cancel if $_->data & WF_AUTOCANCEL;
2354	}	2984	}
2355		2985
		2986	warn "flushing outstanding aio requests";
		2987	for (;;) {
		2988	BDB::flush;
		2989	IO::AIO::flush;
		2990	Coro::cede;
		2991	last unless IO::AIO::nreqs || BDB::nreqs;
		2992	warn "iterate...";
		2993	}
		2994
		2995	++$RELOAD;
		2996
2356	# cancel all extension coros	2997	warn "cancelling all extension coros";
2357	$_->cancel for values %EXT_CORO;	2998	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	2999	%EXT_CORO = ();
2359		3000
2360	# unload all extensions	3001	warn "removing commands";
2361	for (@exts) {	3002	%COMMAND = ();
		3003
		3004	warn "removing ext/exti commands";
		3005	%EXTCMD = ();
		3006	%EXTICMD = ();
		3007
		3008	warn "unloading/nuking all extensions";
		3009	for my $pkg (@EXTS) {
2362	warn "unloading <$_>";	3010	warn "... unloading $pkg";
2363	unload_extension $_;	3011
		3012	if (my $cb = $pkg->can ("unload")) {
		3013	eval {
		3014	$cb->($pkg);
		3015	1
		3016	} or warn "$pkg unloaded, but with errors: $@";
2364	}	3017	}
2365		3018
		3019	warn "... nuking $pkg";
		3020	Symbol::delete_package $pkg;
		3021	}
		3022
2366	# unload all modules loaded from $LIBDIR	3023	warn "unloading all perl modules loaded from $LIBDIR";
2367	while (my ($k, $v) = each %INC) {	3024	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3025	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369		3026
2370	warn "removing <$k>";	3027	warn "... unloading $k";
2371	delete $INC{$k};	3028	delete $INC{$k};
2372		3029
2373	$k =~ s/\.pm$//;	3030	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;	3031	$k =~ s/\//::/g;
2375		3032
…		…
2378	}	3035	}
2379		3036
2380	Symbol::delete_package $k;	3037	Symbol::delete_package $k;
2381	}	3038	}
2382		3039
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	3040	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	3041	Symbol::delete_package "safe::$_"
2389	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);
2390		3043
2391	# remove register_script_function callbacks
2392	# TODO
2393
2394	# unload cf.pm "a bit"	3044	warn "unloading cf.pm \"a bit\"";
2395	delete $INC{"cf.pm"};	3045	delete $INC{"cf.pm"};
		3046	delete $INC{"cf/pod.pm"};
2396		3047
2397	# don't, removes xs symbols, too,	3048	# don't, removes xs symbols, too,
2398	# and global variables created in xs	3049	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	3050	#Symbol::delete_package __PACKAGE__;
2400		3051
2401	# reload cf.pm	3052	warn "unload completed, starting to reload now";
		3053
2402	warn "reloading cf.pm";	3054	warn "reloading cf.pm";
2403	require cf;	3055	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3056	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		3057
2406	# load config and database again	3058	warn "loading config and database again";
2407	cf::cfg_load;	3059	cf::cfg_load;
2408	cf::db_load;
2409		3060
2410	# load extensions
2411	warn "load extensions";	3061	warn "loading extensions";
2412	cf::load_extensions;	3062	cf::load_extensions;
2413		3063
2414	# reattach attachments to objects	3064	warn "reattaching attachments to objects/players";
2415	warn "reattach";	3065	_global_reattach; # objects, sockets
2416	_global_reattach;	3066	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	3067	reattach $_ for values %MAP;
2418	};	3068	warn "reattaching attachments to players";
		3069	reattach $_ for values %PLAYER;
2419		3070
2420	if ($@) {	3071	warn "leaving sync_job";
		3072
		3073	1
		3074	} or do {
2421	warn $@;	3075	warn $@;
2422	warn "error while reloading, exiting.";	3076	warn "error while reloading, exiting.";
2423	exit 1;	3077	exit 1;
2424	}	3078	};
2425		3079
2426	warn "reloaded successfully";	3080	warn "reloaded";
2427	};	3081	};
2428		3082
2429	#############################################################################	3083	our $RELOAD_WATCHER; # used only during reload
2430		3084
2431	unless ($LINK_MAP) {	3085	sub reload_perl() {
2432	$LINK_MAP = cf::map::new;	3086	# doing reload synchronously and two reloads happen back-to-back,
		3087	# coro crashes during coro_state_free->destroy here.
2433		3088
2434	$LINK_MAP->width (41);	3089	$RELOAD_WATCHER ||= Event->timer (
2435	$LINK_MAP->height (41);	3090	reentrant => 0,
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,	3091	after => 0,
		3092	data => WF_AUTOCANCEL,
2444	cb => sub {	3093	cb => sub {
2445	$_[0]->w->cancel;	3094	do_reload_perl;
2446		3095	undef $RELOAD_WATCHER;
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});	3096	},
2465		3097	);
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}	3098	}
2471
2472	register "<global>", __PACKAGE__;
2473		3099
2474	register_command "reload" => sub {	3100	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3101	my ($who, $arg) = @_;
2476		3102
2477	if ($who->flag (FLAG_WIZ)) {	3103	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");
2479	reload;
2480	$who->message ("end of reload.");	3104	$who->message ("reloading server.");
		3105	async { reload_perl };
2481	}	3106	}
2482	};	3107	};
2483		3108
2484	unshift @INC, $LIBDIR;	3109	unshift @INC, $LIBDIR;
2485		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;
2486	$TICK_WATCHER = Event->timer (	3136	$TICK_WATCHER = Event->timer (
2487	reentrant => 0,	3137	reentrant => 0,
		3138	parked => 1,
2488	prio => 0,	3139	prio => 0,
2489	at => $NEXT_TICK || $TICK,	3140	at => $NEXT_TICK || $TICK,
2490	data => WF_AUTOCANCEL,	3141	data => WF_AUTOCANCEL,
2491	cb => sub {	3142	cb => sub {
		3143	if ($Coro::current != $Coro::main) {
		3144	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3145	unless ++$bug_warning > 10;
		3146	return;
		3147	}
		3148
		3149	$NOW = $tick_start = Event::time;
		3150
2492	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
2493	$RUNTIME += $TICK;	3176	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;	3177	$NEXT_TICK += $TICK;
2495		3178
2496	$WAIT_FOR_TICK->broadcast;	3179	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2497	$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;
2498		3198
2499	# 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
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3200	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2501		3201
2502	$TICK_WATCHER->at ($NEXT_TICK);	3202	$TICK_WATCHER->at ($NEXT_TICK);
2503	$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
2504	},	3211	},
2505	);	3212	);
2506		3213
		3214	{
2507	IO::AIO::max_poll_time $TICK * 0.2;	3215	BDB::max_poll_time $TICK * 0.1;
2508		3216	$BDB_POLL_WATCHER = Event->io (
2509	Event->io (	3217	reentrant => 0,
2510	fd => IO::AIO::poll_fileno,	3218	fd => BDB::poll_fileno,
2511	poll => 'r',	3219	poll => 'r',
2512	prio => 5,	3220	prio => 0,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,	3221	data => WF_AUTOCANCEL,
2519	after => 0,	3222	cb => \&BDB::poll_cb,
2520	interval => 10,	3223	);
2521	cb => sub {	3224	BDB::min_parallel 8;
2522	(Coro::unblock_sub {	3225
2523	write_runtime	3226	BDB::set_sync_prepare {
2524	or warn "ERROR: unable to write runtime file: $!";	3227	my $status;
		3228	my $current = $Coro::current;
		3229	(
		3230	sub {
		3231	$status = $!;
		3232	$current->ready; undef $current;
		3233	},
		3234	sub {
		3235	Coro::schedule while defined $current;
		3236	$! = $status;
		3237	},
		3238	)
		3239	};
		3240
		3241	unless ($DB_ENV) {
		3242	$DB_ENV = BDB::db_env_create;
		3243
		3244	cf::sync_job {
		3245	eval {
		3246	BDB::db_env_open
		3247	$DB_ENV,
		3248	$BDBDIR,
		3249	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3250	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3251	0666;
		3252
		3253	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3254
		3255	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3256	$DB_ENV->set_lk_detect;
		3257	};
		3258
		3259	cf::cleanup "db_env_open(db): $@" if $@;
2525	})->();	3260	};
2526	},	3261	}
2527	);	3262	}
		3263
		3264	{
		3265	IO::AIO::min_parallel 8;
		3266
		3267	undef $Coro::AIO::WATCHER;
		3268	IO::AIO::max_poll_time $TICK * 0.1;
		3269	$AIO_POLL_WATCHER = Event->io (
		3270	reentrant => 0,
		3271	data => WF_AUTOCANCEL,
		3272	fd => IO::AIO::poll_fileno,
		3273	poll => 'r',
		3274	prio => 6,
		3275	cb => \&IO::AIO::poll_cb,
		3276	);
		3277	}
		3278
		3279	my $_log_backtrace;
		3280
		3281	sub _log_backtrace {
		3282	my ($msg, @addr) = @_;
		3283
		3284	$msg =~ s/\n//;
		3285
		3286	# limit the # of concurrent backtraces
		3287	if ($_log_backtrace < 2) {
		3288	++$_log_backtrace;
		3289	async {
		3290	my @bt = fork_call {
		3291	@addr = map { sprintf "%x", $_ } @addr;
		3292	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3293	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3294	or die "addr2line: $!";
		3295
		3296	my @funcs;
		3297	my @res = <$fh>;
		3298	chomp for @res;
		3299	while (@res) {
		3300	my ($func, $line) = splice @res, 0, 2, ();
		3301	push @funcs, "[$func] $line";
		3302	}
		3303
		3304	@funcs
		3305	};
		3306
		3307	LOG llevInfo, "[ABT] $msg\n";
		3308	LOG llevInfo, "[ABT] $_\n" for @bt;
		3309	--$_log_backtrace;
		3310	};
		3311	} else {
		3312	LOG llevInfo, "[ABT] $msg\n";
		3313	LOG llevInfo, "[ABT] [suppressed]\n";
		3314	}
		3315	}
		3316
		3317	# load additional modules
		3318	use cf::pod;
2528		3319
2529	END { cf::emergency_save }	3320	END { cf::emergency_save }
2530		3321
2531	1	3322	1
2532		3323

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