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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.295 by root, Wed Jul 4 05:08:15 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;
26		34
		35	# configure various modules to our taste
		36	#
		37	$Storable::canonical = 1; # reduce rsync transfers
		38	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		39	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		40
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	41	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		42
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
33		45
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
36	our %COMMAND = ();	50	our %COMMAND = ();
37	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
		52
		53	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
		56	our %EXT_CORO = (); # coroutines bound to extensions
		57	our %EXT_MAP = (); # pluggable maps
39		58
		59	our $RELOAD; # number of reloads so far
40	our @EVENT;	60	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		61
43	our $TICK = MAX_TIME * 1e-6;	62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
		73
		74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
44	our $TICK_WATCHER;	75	our $TICK_WATCHER;
		76	our $AIO_POLL_WATCHER;
		77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	78	our $NEXT_TICK;
46	our $NOW;	79	our $NOW;
		80	our $USE_FSYNC = 1; # use fsync to write maps - default off
		81
		82	our $BDB_POLL_WATCHER;
		83	our $DB_ENV;
47		84
48	our %CFG;	85	our %CFG;
49		86
50	our $UPTIME; $UPTIME ||= time;	87	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	88	our $RUNTIME;
52		89
53	our %PLAYER; # all users	90	our %PLAYER; # all users
54	our %MAP; # all maps	91	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	92	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		93
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	94	# 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;	95	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		96
		97	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		98	our $LOADAVG; # same thing, but with alpha-smoothing
		99	our $tick_start; # for load detecting purposes
61		100
62	binmode STDOUT;	101	binmode STDOUT;
63	binmode STDERR;	102	binmode STDERR;
64		103
65	# read virtual server time, if available	104	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	105	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	106	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	107	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	108	$RUNTIME = <$fh> + 0.;
70	}	109	}
71		110
72	mkdir cf::localdir;	111	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	112	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		113
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	114	our $EMERGENCY_POSITION;
		115
		116	sub cf::map::normalise;
81		117
82	#############################################################################	118	#############################################################################
83		119
84	=head2 GLOBAL VARIABLES	120	=head2 GLOBAL VARIABLES
85		121
…		…
92	=item $cf::RUNTIME	128	=item $cf::RUNTIME
93		129
94	The time this server has run, starts at 0 and is increased by $cf::TICK on	130	The time this server has run, starts at 0 and is increased by $cf::TICK on
95	every server tick.	131	every server tick.
96		132
97	=item $cf::LIBDIR	133	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		134	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		135	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
98		136
99	The perl library directory, where extensions and cf-specific modules can	137	Various directories - "/etc", read-only install directory, perl-library
100	be found. It will be added to C<@INC> automatically.	138	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		139	unique-items directory, player file directory, random maps directory and
		140	database environment.
101		141
102	=item $cf::NOW	142	=item $cf::NOW
103		143
104	The time of the last (current) server tick.	144	The time of the last (current) server tick.
105		145
106	=item $cf::TICK	146	=item $cf::TICK
107		147
108	The interval between server ticks, in seconds.	148	The interval between server ticks, in seconds.
		149
		150	=item $cf::LOADAVG
		151
		152	The current CPU load on the server (alpha-smoothed), as a value between 0
		153	(none) and 1 (overloaded), indicating how much time is spent on processing
		154	objects per tick. Healthy values are < 0.5.
		155
		156	=item $cf::LOAD
		157
		158	The raw value load value from the last tick.
109		159
110	=item %cf::CFG	160	=item %cf::CFG
111		161
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	162	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	163	from wherever your confdir points to.
114		164
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	165	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		166
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	167	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	168	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	169	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		170
122	=back	171	=back
123		172
124	=cut	173	=cut
125		174
126	BEGIN {	175	BEGIN {
127	*CORE::GLOBAL::warn = sub {	176	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	177	my $msg = join "", @_;
129	utf8::encode $msg;
130		178
131	$msg .= "\n"	179	$msg .= "\n"
132	unless $msg =~ /\n$/;	180	unless $msg =~ /\n$/;
133		181
		182	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		183
		184	utf8::encode $msg;
134	LOG llevError, $msg;	185	LOG llevError, $msg;
135	};	186	};
136	}	187	}
137		188
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	189	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	190	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	191	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	192	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	193	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		194	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	195	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		196
145	# we bless all objects into (empty) derived classes to force a method lookup	197	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	198	# within the Safe compartment.
147	for my $pkg (qw(	199	for my $pkg (qw(
148	cf::global cf::attachable	200	cf::global cf::attachable
…		…
157		209
158	$Event::DIED = sub {	210	$Event::DIED = sub {
159	warn "error in event callback: @_";	211	warn "error in event callback: @_";
160	};	212	};
161		213
162	my %ext_pkg;	214	#############################################################################
163	my @exts;
164	my @hook;
165		215
166	=head2 UTILITY FUNCTIONS	216	=head2 UTILITY FUNCTIONS
167		217
168	=over 4	218	=over 4
169		219
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	238	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	239	$d
190	} || "[unable to dump $_[0]: '$@']";	240	} || "[unable to dump $_[0]: '$@']";
191	}	241	}
192		242
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	243	=item $ref = cf::from_json $json
196		244
197	Converts a JSON string into the corresponding perl data structure.	245	Converts a JSON string into the corresponding perl data structure.
198		246
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	247	=item $json = cf::to_json $ref
207		248
208	Converts a perl data structure into its JSON representation.	249	Converts a perl data structure into its JSON representation.
209		250
210	=cut	251	=cut
211		252
212	sub to_json($) {	253	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	254
214	JSON::Syck::Dump $_[0]	255	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	256	sub from_json ($) { $json_coder->decode ($_[0]) }
216		257
217	=item cf::lock_wait $string	258	=item cf::lock_wait $string
218		259
219	Wait until the given lock is available. See cf::lock_acquire.	260	Wait until the given lock is available. See cf::lock_acquire.
220		261
…		…
226	returned.	267	returned.
227		268
228	Lock names should begin with a unique identifier (for example, cf::map::find	269	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	270	uses map_find and cf::map::load uses map_load).
230		271
		272	=item $locked = cf::lock_active $string
		273
		274	Return true if the lock is currently active, i.e. somebody has locked it.
		275
231	=cut	276	=cut
232		277
233	our %LOCK;	278	our %LOCK;
234		279
235	sub lock_wait($) {	280	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	299	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	300	$_->ready for @{ delete $LOCK{$key} };
256	}	301	}
257	}	302	}
258		303
		304	sub lock_active($) {
		305	my ($key) = @_;
		306
		307	! ! $LOCK{$key}
		308	}
		309
259	sub freeze_mainloop {	310	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	311	return unless $TICK_WATCHER->is_active;
261		312
262	my $guard = Coro::guard { $TICK_WATCHER->start };	313	my $guard = Coro::guard {
		314	$TICK_WATCHER->start;
		315	};
263	$TICK_WATCHER->stop;	316	$TICK_WATCHER->stop;
264	$guard	317	$guard
265	}	318	}
266		319
267	=item cf::async { BLOCK }	320	=item cf::async { BLOCK }
…		…
274		327
275	BEGIN { *async = \&Coro::async_pool }	328	BEGIN { *async = \&Coro::async_pool }
276		329
277	=item cf::sync_job { BLOCK }	330	=item cf::sync_job { BLOCK }
278		331
279	The design of crossfire+ requires that the main coro ($Coro::main) is	332	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	333	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	334	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		335	acceptable.
282		336
283	If it must be done, put the blocking parts into C<sync_job>. This will run	337	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	338	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	339	server will be frozen during this time, so the block should either finish
286	fast or be very important.	340	fast or be very important.
…		…
289		343
290	sub sync_job(&) {	344	sub sync_job(&) {
291	my ($job) = @_;	345	my ($job) = @_;
292		346
293	if ($Coro::current == $Coro::main) {	347	if ($Coro::current == $Coro::main) {
		348	my $time = Event::time;
		349
294	# this is the main coro, too bad, we have to block	350	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	351	# till the operation succeeds, freezing the server :/
296		352
297	# TODO: use suspend/resume instead	353	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	354	# (but this is cancel-safe)
…		…
309		365
310	while ($busy) {	366	while ($busy) {
311	Coro::cede or Event::one_event;	367	Coro::cede or Event::one_event;
312	}	368	}
313		369
		370	$time = Event::time - $time;
		371
		372	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		373	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		374
		375	$tick_start += $time; # do not account sync jobs to server load
		376
314	wantarray ? @res : $res[0]	377	wantarray ? @res : $res[0]
315	} else {	378	} else {
316	# we are in another coroutine, how wonderful, everything just works	379	# we are in another coroutine, how wonderful, everything just works
317		380
318	$job->()	381	$job->()
319	}	382	}
320	}	383	}
321		384
322	=item $coro = cf::async_ext { BLOCK }	385	=item $coro = cf::async_ext { BLOCK }
323		386
324	Like async, but this coro is automcatially being canceled when the	387	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	388	extension calling this is being unloaded.
326		389
327	=cut	390	=cut
328		391
329	sub async_ext(&) {	392	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	400	$EXT_CORO{$coro+0} = $coro;
338		401
339	$coro	402	$coro
340	}	403	}
341		404
342	sub write_runtime {	405	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		406
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	407	Executes the given code block with the given arguments in a seperate
346	or return;	408	process, returning the results. Everything must be serialisable with
		409	Coro::Storable. May, of course, block. Note that the executed sub may
		410	never block itself or use any form of Event handling.
347		411
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	412	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		413
352	aio_fsync $fh	414	sub fork_call(&@) {
353	and return;	415	my ($cb, @args) = @_;
354		416
		417	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		418	# or die "socketpair: $!";
		419	pipe my $fh1, my $fh2
		420	or die "pipe: $!";
		421
		422	if (my $pid = fork) {
355	close $fh	423	close $fh2;
356	or return;
357		424
358	aio_rename "$runtime~", $runtime	425	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
359	and return;	426	$res = Coro::Storable::thaw $res;
360		427
		428	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		429
		430	die $$res unless "ARRAY" eq ref $res;
		431
		432	return wantarray ? @$res : $res->[-1];
		433	} else {
		434	reset_signals;
		435	local $SIG{__WARN__};
		436	local $SIG{__DIE__};
		437	eval {
		438	close $fh1;
		439
		440	my @res = eval { $cb->(@args) };
		441	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
		442	};
		443
		444	warn $@ if $@;
		445	_exit 0;
361	1	446	}
		447	}
		448
		449	=item $value = cf::db_get $family => $key
		450
		451	Returns a single value from the environment database.
		452
		453	=item cf::db_put $family => $key => $value
		454
		455	Stores the given C<$value> in the family. It can currently store binary
		456	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		457
		458	=cut
		459
		460	our $DB;
		461
		462	sub db_init {
		463	unless ($DB) {
		464	$DB = BDB::db_create $DB_ENV;
		465
		466	cf::sync_job {
		467	eval {
		468	$DB->set_flags (BDB::CHKSUM);
		469
		470	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		471	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		472	cf::cleanup "db_open(db): $!" if $!;
		473	};
		474	cf::cleanup "db_open(db): $@" if $@;
		475	};
		476	}
		477	}
		478
		479	sub db_get($$) {
		480	my $key = "$_[0]/$_[1]";
		481
		482	cf::sync_job {
		483	BDB::db_get $DB, undef, $key, my $data;
		484
		485	$! ? ()
		486	: $data
		487	}
		488	}
		489
		490	sub db_put($$$) {
		491	BDB::dbreq_pri 4;
		492	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		493	}
		494
		495	=item cf::cache $id => [$paths...], $processversion => $process
		496
		497	Generic caching function that returns the value of the resource $id,
		498	caching and regenerating as required.
		499
		500	This function can block.
		501
		502	=cut
		503
		504	sub cache {
		505	my ($id, $src, $processversion, $process) = @_;
		506
		507	my $meta =
		508	join "\x00",
		509	$processversion,
		510	map {
		511	aio_stat $_
		512	and Carp::croak "$_: $!";
		513
		514	($_, (stat _)[7,9])
		515	} @$src;
		516
		517	my $dbmeta = db_get cache => "$id/meta";
		518	if ($dbmeta ne $meta) {
		519	# changed, we may need to process
		520
		521	my @data;
		522	my $md5;
		523
		524	for (0 .. $#$src) {
		525	0 <= aio_load $src->[$_], $data[$_]
		526	or Carp::croak "$src->[$_]: $!";
		527	}
		528
		529	# if processing is expensive, check
		530	# checksum first
		531	if (1) {
		532	$md5 =
		533	join "\x00",
		534	$processversion,
		535	map {
		536	Coro::cede;
		537	($src->[$_], Digest::MD5::md5_hex $data[$_])
		538	} 0.. $#$src;
		539
		540
		541	my $dbmd5 = db_get cache => "$id/md5";
		542	if ($dbmd5 eq $md5) {
		543	db_put cache => "$id/meta", $meta;
		544
		545	return db_get cache => "$id/data";
		546	}
		547	}
		548
		549	my $t1 = Time::HiRes::time;
		550	my $data = $process->(\@data);
		551	my $t2 = Time::HiRes::time;
		552
		553	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		554
		555	db_put cache => "$id/data", $data;
		556	db_put cache => "$id/md5" , $md5;
		557	db_put cache => "$id/meta", $meta;
		558
		559	return $data;
		560	}
		561
		562	db_get cache => "$id/data"
		563	}
		564
		565	=item cf::datalog type => key => value, ...
		566
		567	Log a datalog packet of the given type with the given key-value pairs.
		568
		569	=cut
		570
		571	sub datalog($@) {
		572	my ($type, %kv) = @_;
		573	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	574	}
363		575
364	=back	576	=back
365		577
366	=cut	578	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489		579
490	#############################################################################	580	#############################################################################
491		581
492	=head2 ATTACHABLE OBJECTS	582	=head2 ATTACHABLE OBJECTS
493		583
…		…
495	attach callbacks/event handlers (a collection of which is called an "attachment")	585	attach callbacks/event handlers (a collection of which is called an "attachment")
496	to it. All such attachable objects support the following methods.	586	to it. All such attachable objects support the following methods.
497		587
498	In the following description, CLASS can be any of C<global>, C<object>	588	In the following description, CLASS can be any of C<global>, C<object>
499	C<player>, C<client> or C<map> (i.e. the attachable objects in	589	C<player>, C<client> or C<map> (i.e. the attachable objects in
500	crossfire+).	590	Crossfire TRT).
501		591
502	=over 4	592	=over 4
503		593
504	=item $attachable->attach ($attachment, key => $value...)	594	=item $attachable->attach ($attachment, key => $value...)
505		595
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	709	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	710	our @CB_MAP = ();
621		711
622	my %attachment;	712	my %attachment;
623		713
		714	sub cf::attachable::thawer_merge {
		715	# simply override everything except _meta
		716	local $_[0]{_meta};
		717	%{$_[0]} = %{$_[1]};
		718	}
		719
624	sub _attach_cb($$$$) {	720	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	721	my ($registry, $event, $prio, $cb) = @_;
626		722
627	use sort 'stable';	723	use sort 'stable';
628		724
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	758	$registry = $CB_TYPE[$object_type] ||= [];
663		759
664	} elsif ($type eq "subtype") {	760	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	761	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	762	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	763	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		764
669	} elsif ($type eq "package") {	765	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	766	my $pkg = shift @arg;
671		767
672	while (my ($name, $id) = each %cb_id) {	768	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	797	_attach $registry, $klass, @attach;
702	}	798	}
703		799
704	$obj->{$name} = \%arg;	800	$obj->{$name} = \%arg;
705	} else {	801	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	802	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	803	}
708		804
709	$obj->{_attachment}{$name} = undef;	805	$obj->{_attachment}{$name} = undef;
710	}	806	}
711		807
…		…
713	if (ref $_[0]) {	809	if (ref $_[0]) {
714	_object_attach @_;	810	_object_attach @_;
715	} else {	811	} else {
716	_attach shift->_attach_registry, @_;	812	_attach shift->_attach_registry, @_;
717	}	813	}
		814	_recalc_want;
718	};	815	};
719		816
720	# all those should be optimised	817	# all those should be optimised
721	sub cf::attachable::detach {	818	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	819	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	822	delete $obj->{_attachment}{$name};
726	reattach ($obj);	823	reattach ($obj);
727	} else {	824	} else {
728	Carp::croak "cannot, currently, detach class attachments";	825	Carp::croak "cannot, currently, detach class attachments";
729	}	826	}
		827	_recalc_want;
730	};	828	};
731		829
732	sub cf::attachable::attached {	830	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	831	my ($obj, $name) = @_;
734		832
…		…
799	# object support	897	# object support
800		898
801	sub reattach {	899	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	900	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	901	my ($obj) = @_;
		902
		903	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		904
805	my $registry = $obj->registry;	905	my $registry = $obj->registry;
806		906
807	@$registry = ();	907	@$registry = ();
808		908
…		…
855	$filename, length $$rdata, scalar @$objs;	955	$filename, length $$rdata, scalar @$objs;
856		956
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	957	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	958	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	959	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	960	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	961	close $fh;
862		962
863	if (@$objs) {	963	if (@$objs) {
864	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	964	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
865	chmod SAVE_MODE, $fh;	965	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	966	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	967	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	968	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	969	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	970	aio_rename "$filename.pst~", "$filename.pst";
871	}	971	}
872	} else {	972	} else {
873	aio_unlink "$filename.pst";	973	aio_unlink "$filename.pst";
…		…
905	or return;	1005	or return;
906	$av = eval { (Storable::thaw $av)->{objs} };	1006	$av = eval { (Storable::thaw $av)->{objs} };
907	}	1007	}
908		1008
909	warn sprintf "loading %s (%d)\n",	1009	warn sprintf "loading %s (%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1010	$filename, length $data, scalar @{$av || []};
911	return ($data, $av);	1011	return ($data, $av);
912	}	1012	}
		1013
		1014	=head2 COMMAND CALLBACKS
		1015
		1016	=over 4
		1017
		1018	=cut
913		1019
914	#############################################################################	1020	#############################################################################
915	# command handling &c	1021	# command handling &c
916		1022
917	=item cf::register_command $name => \&callback($ob,$args);	1023	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1036	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1037	}
932		1038
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1039	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1040
935	Register a callbackf ro execution when the client sends an extcmd packet.	1041	Register a callback for execution when the client sends an (synchronous)
		1042	extcmd packet. Ext commands will be processed in the order they are
		1043	received by the server, like other user commands. The first argument is
		1044	the logged-in player. Ext commands can only be processed after a player
		1045	has logged in successfully.
936		1046
937	If the callback returns something, it is sent back as if reply was being	1047	If the callback returns something, it is sent back as if reply was being
938	called.	1048	called.
939		1049
		1050	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1051
		1052	Register a callback for execution when the client sends an (asynchronous)
		1053	exticmd packet. Exti commands are processed by the server as soon as they
		1054	are received, i.e. out of order w.r.t. other commands. The first argument
		1055	is a client socket. Exti commands can be received anytime, even before
		1056	log-in.
		1057
		1058	If the callback returns something, it is sent back as if reply was being
		1059	called.
		1060
940	=cut	1061	=cut
941		1062
942	sub register_extcmd {	1063	sub register_extcmd {
943	my ($name, $cb) = @_;	1064	my ($name, $cb) = @_;
944		1065
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1066	$EXTCMD{$name} = $cb;
		1067	}
		1068
		1069	sub register_exticmd {
		1070	my ($name, $cb) = @_;
		1071
		1072	$EXTICMD{$name} = $cb;
949	}	1073	}
950		1074
951	cf::player->attach (	1075	cf::player->attach (
952	on_command => sub {	1076	on_command => sub {
953	my ($pl, $name, $params) = @_;	1077	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1086	cf::override;
963	},	1087	},
964	on_extcmd => sub {	1088	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1089	my ($pl, $buf) = @_;
966		1090
967	my $msg = eval { from_json $buf };	1091	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1092
969	if (ref $msg) {	1093	if (ref $msg) {
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1094	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1095	if (my %reply = $cb->($pl, $msg)) {
972	$pl->ext_reply ($msg->{msgid}, %reply);	1096	$pl->ext_reply ($msg->{msgid}, %reply);
973	}	1097	}
974	}	1098	}
975	} else {	1099	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1100	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
978		1102
979	cf::override;	1103	cf::override;
980	},	1104	},
981	);	1105	);
982		1106
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {
990	my ($path) = @_;
991
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;
994	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}
1058
1059	sub load_extensions {	1107	sub load_extensions {
		1108	cf::sync_job {
		1109	my %todo;
		1110
1060	for my $ext (<$LIBDIR/*.ext>) {	1111	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1112	next unless -r $path;
1062	eval {	1113
1063	load_extension $ext;	1114	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1115	my $base = $1;
		1116	my $pkg = $1;
		1117	$pkg =~ s/[^[:word:]]/_/g;
		1118	$pkg = "ext::$pkg";
		1119
		1120	open my $fh, "<:utf8", $path
		1121	or die "$path: $!";
		1122
		1123	my $source = do { local $/; <$fh> };
		1124
		1125	my %ext = (
		1126	path => $path,
		1127	base => $base,
		1128	pkg => $pkg,
		1129	);
		1130
		1131	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1132	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1133
		1134	$ext{source} =
		1135	"package $pkg; use strict; use utf8;\n"
		1136	. "#line 1 \"$path\"\n{\n"
		1137	. $source
		1138	. "\n};\n1";
		1139
		1140	$todo{$base} = \%ext;
		1141	}
		1142
		1143	my %done;
		1144	while (%todo) {
		1145	my $progress;
		1146
		1147	while (my ($k, $v) = each %todo) {
		1148	for (split /,\s*/, $v->{meta}{depends}) {
		1149	goto skip
		1150	unless exists $done{$_};
		1151	}
		1152
		1153	warn "... loading '$k' into '$v->{pkg}'\n";
		1154
		1155	unless (eval $v->{source}) {
		1156	my $msg = $@ ? "$v->{path}: $@\n"
		1157	: "$v->{base}: extension inactive.\n";
		1158
		1159	if (exists $v->{meta}{mandatory}) {
		1160	warn $msg;
		1161	warn "mandatory extension failed to load, exiting.\n";
		1162	exit 1;
		1163	}
		1164
		1165	warn $msg;
		1166	}
		1167
		1168	$done{$k} = delete $todo{$k};
		1169	push @EXTS, $v->{pkg};
		1170	$progress = 1;
1064	1	1171	}
1065	} or warn "$ext not loaded: $@";	1172
		1173	skip:
		1174	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1175	unless $progress;
		1176	}
1066	}	1177	};
1067	}	1178	}
1068		1179
1069	#############################################################################	1180	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1181
1072	*cf::mapsupport::on_clean = sub {	1182	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1183
1085	=head2 CORE EXTENSIONS	1184	=head2 CORE EXTENSIONS
1086		1185
1087	Functions and methods that extend core crossfire objects.	1186	Functions and methods that extend core crossfire objects.
1088		1187
…		…
1101	Returns the given player object, loading it if necessary (might block).	1200	Returns the given player object, loading it if necessary (might block).
1102		1201
1103	=cut	1202	=cut
1104		1203
1105	sub playerdir($) {	1204	sub playerdir($) {
1106	cf::localdir	1205	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1206	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1207	}
1112		1208
1113	sub path($) {	1209	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1210	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1211
1116	(playerdir $login) . "/$login.pl"	1212	(playerdir $login) . "/playerdata"
1117	}	1213	}
1118		1214
1119	sub find_active($) {	1215	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1216	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1217	and $cf::PLAYER{$_[0]}->active
…		…
1124		1220
1125	sub exists($) {	1221	sub exists($) {
1126	my ($login) = @_;	1222	my ($login) = @_;
1127		1223
1128	$cf::PLAYER{$login}	1224	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1225	or cf::sync_job { !aio_stat path $login }
1130	}	1226	}
1131		1227
1132	sub find($) {	1228	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1229	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1230	my $login = $_[0];
1135		1231
1136	my $guard = cf::lock_acquire "user_find:$login";	1232	my $guard = cf::lock_acquire "user_find:$login";
1137		1233
1138	$cf::PLAYER{$_[0]} || do {	1234	$cf::PLAYER{$_[0]} || do {
		1235	# rename old playerfiles to new ones
		1236	#TODO: remove when no longer required
		1237	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1238	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1239	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1240	aio_unlink +(playerdir $login) . "/$login.pl";
		1241
1139	my $pl = load_pl path $login	1242	my $pl = load_pl path $login
1140	or return;	1243	or return;
1141	$cf::PLAYER{$login} = $pl	1244	$cf::PLAYER{$login} = $pl
1142	}	1245	}
1143	}	1246	}
…		…
1180		1283
1181	=cut	1284	=cut
1182		1285
1183	sub quit_character {	1286	sub quit_character {
1184	my ($pl) = @_;	1287	my ($pl) = @_;
		1288
		1289	my $name = $pl->ob->name;
1185		1290
1186	$pl->{deny_save} = 1;	1291	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1292	$pl->password ("*"); # this should lock out the player until we nuked the dir
1188		1293
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1294	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1299	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1300	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1301	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1302	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1303	$pl->destroy;
		1304
		1305	my $prefix = qr<^~\Q$name\E/>;
		1306
		1307	# nuke player maps
		1308	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1309
1199	IO::AIO::aio_rmtree $temp;	1310	IO::AIO::aio_rmtree $temp;
		1311	}
		1312
		1313	=item $pl->kick
		1314
		1315	Kicks a player out of the game. This destroys the connection.
		1316
		1317	=cut
		1318
		1319	sub kick {
		1320	my ($pl, $kicker) = @_;
		1321
		1322	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1323	$pl->killer ("kicked");
		1324	$pl->ns->destroy;
1200	}	1325	}
1201		1326
1202	=item cf::player::list_logins	1327	=item cf::player::list_logins
1203		1328
1204	Returns am arrayref of all valid playernames in the system, can take a	1329	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1330	while and may block, so not sync_job-capable, ever.
1206		1331
1207	=cut	1332	=cut
1208		1333
1209	sub list_logins {	1334	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1335	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1336	or return [];
1212		1337
1213	my @logins;	1338	my @logins;
1214		1339
1215	for my $login (@$dirs) {	1340	for my $login (@$dirs) {
…		…
1224	\@logins	1349	\@logins
1225	}	1350	}
1226		1351
1227	=item $player->maps	1352	=item $player->maps
1228		1353
1229	Returns an arrayref of cf::path's of all maps that are private for this	1354	Returns an arrayref of map paths that are private for this
1230	player. May block.	1355	player. May block.
1231		1356
1232	=cut	1357	=cut
1233		1358
1234	sub maps($) {	1359	sub maps($) {
1235	my ($pl) = @_;	1360	my ($pl) = @_;
		1361
		1362	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1363
1237	my $files = aio_readdir playerdir $pl	1364	my $files = aio_readdir playerdir $pl
1238	or return;	1365	or return;
1239		1366
1240	my @paths;	1367	my @paths;
1241		1368
1242	for (@$files) {	1369	for (@$files) {
1243	utf8::decode $_;	1370	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1371	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1372	next unless /^$PATH_SEP/o;
1246		1373
1247	s/$PATH_SEP/\//g;	1374	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1375	}
1250		1376
1251	\@paths	1377	\@paths
1252	}	1378	}
1253		1379
		1380	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1381
		1382	Expand crossfire pod fragments into protocol xml.
		1383
		1384	=cut
		1385
		1386	sub expand_cfpod {
		1387	((my $self), (local $_)) = @_;
		1388
		1389	# escape & and <
		1390	s/&/&amp;/g;
		1391	s/(?<![BIUGH])</&lt;/g;
		1392
		1393	# this is buggy, it needs to properly take care of nested <'s
		1394
		1395	1 while
		1396	# replace B<>, I<>, U<> etc.
		1397	s/B<([^\>]*)>/<b>$1<\/b>/
		1398	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1399	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1400	# replace G<male|female> tags
		1401	|| s{G<([^>|]*)\|([^>]*)>}{
		1402	$self->gender ? $2 : $1
		1403	}ge
		1404	# replace H<hint text>
		1405	|| s{H<([^\>]*)>}
		1406	{
		1407	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1408	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1409	"")
		1410	[$self->{hintmode}]
		1411	}ge;
		1412
		1413	# create single paragraphs (very hackish)
		1414	s/(?<=\S)\n(?=\w)/ /g;
		1415
		1416	# compress some whitespace
		1417	s/\s+\n/\n/g; # ws line-ends
		1418	s/\n\n+/\n/g; # double lines
		1419	s/^\n+//; # beginning lines
		1420	s/\n+$//; # ending lines
		1421
		1422	$_
		1423	}
		1424
		1425	sub hintmode {
		1426	$_[0]{hintmode} = $_[1] if @_ > 1;
		1427	$_[0]{hintmode}
		1428	}
		1429
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1430	=item $player->ext_reply ($msgid, %msg)
1255		1431
1256	Sends an ext reply to the player.	1432	Sends an ext reply to the player.
1257		1433
1258	=cut	1434	=cut
1259		1435
1260	sub ext_reply($$$%) {	1436	sub ext_reply($$%) {
1261	my ($self, $id, %msg) = @_;	1437	my ($self, $id, %msg) = @_;
1262		1438
1263	$msg{msgid} = $id;	1439	$msg{msgid} = $id;
1264		1440	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1441	}
1267		1442
1268	package cf;	1443	=item $player->ext_event ($type, %msg)
		1444
		1445	Sends an ext event to the client.
		1446
		1447	=cut
		1448
		1449	sub ext_event($$%) {
		1450	my ($self, $type, %msg) = @_;
		1451
		1452	$self->ns->ext_event ($type, %msg);
		1453	}
		1454
		1455	=head3 cf::region
		1456
		1457	=over 4
		1458
		1459	=cut
		1460
		1461	package cf::region;
		1462
		1463	=item cf::region::find_by_path $path
		1464
		1465	Tries to decuce the likely region for a map knowing only its path.
		1466
		1467	=cut
		1468
		1469	sub find_by_path($) {
		1470	my ($path) = @_;
		1471
		1472	my ($match, $specificity);
		1473
		1474	for my $region (list) {
		1475	if ($region->match && $path =~ $region->match) {
		1476	($match, $specificity) = ($region, $region->specificity)
		1477	if $region->specificity > $specificity;
		1478	}
		1479	}
		1480
		1481	$match
		1482	}
1269		1483
1270	=back	1484	=back
1271
1272		1485
1273	=head3 cf::map	1486	=head3 cf::map
1274		1487
1275	=over 4	1488	=over 4
1276		1489
…		…
1279	package cf::map;	1492	package cf::map;
1280		1493
1281	use Fcntl;	1494	use Fcntl;
1282	use Coro::AIO;	1495	use Coro::AIO;
1283		1496
		1497	use overload
		1498	'""' => \&as_string,
		1499	fallback => 1;
		1500
1284	our $MAX_RESET = 3600;	1501	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1502	our $DEFAULT_RESET = 3000;
1286		1503
1287	sub generate_random_map {	1504	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1505	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1506	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1507	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1508	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1509	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1510	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1511	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1512	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1513	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1514	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1515	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1516	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1517	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1518	(cf::region::find $rmp->{region}), $rmp->{custom}
		1519	)
		1520	}
		1521
		1522	=item cf::map->register ($regex, $prio)
		1523
		1524	Register a handler for the map path matching the given regex at the
		1525	givne priority (higher is better, built-in handlers have priority 0, the
		1526	default).
		1527
		1528	=cut
		1529
		1530	sub register {
		1531	my (undef, $regex, $prio) = @_;
		1532	my $pkg = caller;
		1533
		1534	no strict;
		1535	push @{"$pkg\::ISA"}, __PACKAGE__;
		1536
		1537	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1538	}
		1539
		1540	# also paths starting with '/'
		1541	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1542
		1543	sub thawer_merge {
		1544	my ($self, $merge) = @_;
		1545
		1546	# we have to keep some variables in memory intact
		1547	local $self->{path};
		1548	local $self->{load_path};
		1549
		1550	$self->SUPER::thawer_merge ($merge);
		1551	}
		1552
		1553	sub normalise {
		1554	my ($path, $base) = @_;
		1555
		1556	$path = "$path"; # make sure its a string
		1557
		1558	$path =~ s/\.map$//;
		1559
		1560	# map plan:
		1561	#
		1562	# /! non-realised random map exit (special hack!)
		1563	# {... are special paths that are not being touched
		1564	# ?xxx/... are special absolute paths
		1565	# ?random/... random maps
		1566	# /... normal maps
		1567	# ~user/... per-player map of a specific user
		1568
		1569	$path =~ s/$PATH_SEP/\//go;
		1570
		1571	# treat it as relative path if it starts with
		1572	# something that looks reasonable
		1573	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1574	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1575
		1576	$base =~ s{[^/]+/?$}{};
		1577	$path = "$base/$path";
		1578	}
		1579
		1580	for ($path) {
		1581	redo if s{//}{/};
		1582	redo if s{/\.?/}{/};
		1583	redo if s{/[^/]+/\.\./}{/};
		1584	}
		1585
		1586	$path
		1587	}
		1588
		1589	sub new_from_path {
		1590	my (undef, $path, $base) = @_;
		1591
		1592	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1593
		1594	$path = normalise $path, $base;
		1595
		1596	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1597	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1598	my $self = bless cf::map::new, $pkg;
		1599	$self->{path} = $path; $self->path ($path);
		1600	$self->init; # pass $1 etc.
		1601	return $self;
		1602	}
		1603	}
		1604
		1605	Carp::carp "unable to resolve path '$path' (base '$base').";
		1606	()
		1607	}
		1608
		1609	sub init {
		1610	my ($self) = @_;
		1611
		1612	$self
		1613	}
		1614
		1615	sub as_string {
		1616	my ($self) = @_;
		1617
		1618	"$self->{path}"
		1619	}
		1620
		1621	# the displayed name, this is a one way mapping
		1622	sub visible_name {
		1623	&as_string
		1624	}
		1625
		1626	# the original (read-only) location
		1627	sub load_path {
		1628	my ($self) = @_;
		1629
		1630	"$MAPDIR/$self->{path}.map"
		1631	}
		1632
		1633	# the temporary/swap location
		1634	sub save_path {
		1635	my ($self) = @_;
		1636
		1637	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1638	"$TMPDIR/$path.map"
		1639	}
		1640
		1641	# the unique path, undef == no special unique path
		1642	sub uniq_path {
		1643	my ($self) = @_;
		1644
		1645	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1646	"$UNIQUEDIR/$path"
1304	}	1647	}
1305		1648
1306	# and all this just because we cannot iterate over	1649	# and all this just because we cannot iterate over
1307	# all maps in C++...	1650	# all maps in C++...
1308	sub change_all_map_light {	1651	sub change_all_map_light {
…		…
1310		1653
1311	$_->change_map_light ($change)	1654	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1655	for grep $_->outdoor, values %cf::MAP;
1313	}	1656	}
1314		1657
		1658	sub decay_objects {
		1659	my ($self) = @_;
		1660
		1661	return if $self->{deny_reset};
		1662
		1663	$self->do_decay_objects;
		1664	}
		1665
		1666	sub unlink_save {
		1667	my ($self) = @_;
		1668
		1669	utf8::encode (my $save = $self->save_path);
		1670	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1671	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1672	}
		1673
1315	sub try_load_header($) {	1674	sub load_header_from($) {
1316	my ($path) = @_;	1675	my ($self, $path) = @_;
1317		1676
1318	utf8::encode $path;	1677	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1678	#aio_open $path, O_RDONLY, 0
		1679	# or return;
		1680
		1681	$self->_load_header ($path)
1320	or return;	1682	or return;
1321		1683
1322	my $map = cf::map::new	1684	$self->{load_path} = $path;
		1685
		1686	1
		1687	}
		1688
		1689	sub load_header_orig {
		1690	my ($self) = @_;
		1691
		1692	$self->load_header_from ($self->load_path)
		1693	}
		1694
		1695	sub load_header_temp {
		1696	my ($self) = @_;
		1697
		1698	$self->load_header_from ($self->save_path)
		1699	}
		1700
		1701	sub prepare_temp {
		1702	my ($self) = @_;
		1703
		1704	$self->last_access ((delete $self->{last_access})
		1705	|| $cf::RUNTIME); #d#
		1706	# safety
		1707	$self->{instantiate_time} = $cf::RUNTIME
		1708	if $self->{instantiate_time} > $cf::RUNTIME;
		1709	}
		1710
		1711	sub prepare_orig {
		1712	my ($self) = @_;
		1713
		1714	$self->{load_original} = 1;
		1715	$self->{instantiate_time} = $cf::RUNTIME;
		1716	$self->last_access ($cf::RUNTIME);
		1717	$self->instantiate;
		1718	}
		1719
		1720	sub load_header {
		1721	my ($self) = @_;
		1722
		1723	if ($self->load_header_temp) {
		1724	$self->prepare_temp;
		1725	} else {
		1726	$self->load_header_orig
1323	or return;	1727	or return;
		1728	$self->prepare_orig;
		1729	}
1324		1730
1325	# for better error messages only, will be overwritten	1731	$self->{deny_reset} = 1
1326	$map->path ($path);	1732	if $self->no_reset;
1327		1733
1328	$map->load_header ($path)	1734	$self->default_region (cf::region::find_by_path $self->{path})
1329	or return;	1735	unless $self->default_region;
1330		1736
1331	$map->{load_path} = $path;	1737	1
1332
1333	$map
1334	}	1738	}
1335		1739
1336	sub find;	1740	sub find;
1337	sub find {	1741	sub find {
1338	my ($path, $origin) = @_;	1742	my ($path, $origin) = @_;
1339		1743
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1744	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1745
1345	cf::lock_wait "map_find:$key";	1746	cf::lock_wait "map_find:$path";
1346		1747
1347	$cf::MAP{$key} || do {	1748	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1749	my $guard = cf::lock_acquire "map_find:$path";
1349		1750	my $map = new_from_path cf::map $path
1350	# do it the slow way
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1751	or return;
1369		1752
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1753	$map->{last_save} = $cf::RUNTIME;
1382		1754
1383	Coro::cede;	1755	$map->load_header
		1756	or return;
1384		1757
1385	if ($map->should_reset) {	1758	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1759	# doing this can freeze the server in a sync job, obviously
		1760	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1761	$map->reset;
1387	undef $guard;	1762	undef $guard;
1388	$map = find $path	1763	return find $path;
1389	or return;
1390	}	1764	}
1391		1765
1392	$cf::MAP{$key} = $map	1766	$cf::MAP{$path} = $map
1393	}	1767	}
1394	}	1768	}
		1769
		1770	sub pre_load { }
		1771	sub post_load { }
1395		1772
1396	sub load {	1773	sub load {
1397	my ($self) = @_;	1774	my ($self) = @_;
1398		1775
		1776	local $self->{deny_reset} = 1; # loading can take a long time
		1777
1399	my $path = $self->{path};	1778	my $path = $self->{path};
		1779
		1780	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1781	my $guard = cf::lock_acquire "map_load:$path";
1401		1782
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1783	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1784
1404	$self->in_memory (cf::MAP_LOADING);	1785	$self->in_memory (cf::MAP_LOADING);
1405		1786
1406	$self->alloc;	1787	$self->alloc;
		1788
		1789	$self->pre_load;
		1790	Coro::cede;
		1791
1407	$self->load_objects ($self->{load_path}, 1)	1792	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1793	or return;
1409		1794
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1795	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1796	if delete $self->{load_original};
1412		1797
1413	if (my $uniq = $path->uniq_path) {	1798	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1799	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1800	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1801	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1802	$self->_load_objects ($uniq, 0);
1418	}	1803	}
1419	}	1804	}
1420		1805
1421	Coro::cede;	1806	Coro::cede;
1422
1423	# now do the right thing for maps	1807	# now do the right thing for maps
1424	$self->link_multipart_objects;	1808	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1809	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1810	unless $self->difficulty;
		1811	Coro::cede;
		1812
		1813	unless ($self->{deny_activate}) {
		1814	$self->decay_objects;
		1815	$self->fix_auto_apply;
		1816	$self->update_buttons;
		1817	Coro::cede;
		1818	$self->set_darkness_map;
		1819	Coro::cede;
1436	$self->activate;	1820	$self->activate;
1437	}	1821	}
1438		1822
1439	Coro::cede;
1440
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1823	$self->in_memory (cf::MAP_IN_MEMORY);
		1824	}
		1825
		1826	$self->post_load;
		1827	}
		1828
		1829	sub customise_for {
		1830	my ($self, $ob) = @_;
		1831
		1832	return find "~" . $ob->name . "/" . $self->{path}
		1833	if $self->per_player;
		1834
		1835	# return find "?party/" . $ob->name . "/" . $self->{path}
		1836	# if $self->per_party;
		1837
		1838	$self
1442	}	1839	}
1443		1840
1444	# find and load all maps in the 3x3 area around a map	1841	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	1842	sub load_diag {
1446	my ($map) = @_;	1843	my ($map) = @_;
…		…
1476		1873
1477	cf::sync_job { $map->load };	1874	cf::sync_job { $map->load };
1478	}	1875	}
1479		1876
1480	our %MAP_PREFETCH;	1877	our %MAP_PREFETCH;
1481	our $MAP_PREFETCHER = Coro::async {	1878	our $MAP_PREFETCHER = undef;
1482	while () {
1483	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH
1485	or next;
1486	my $path = delete $MAP_PREFETCH{$key};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}
1492	Coro::schedule;
1493	}
1494	};
1495		1879
1496	sub find_async {	1880	sub find_async {
1497	my ($path, $origin) = @_;	1881	my ($path, $origin) = @_;
1498		1882
1499	$path = new cf::path $path, $origin && $origin->path;	1883	$path = normalise $path, $origin && $origin->{path};
1500	my $key = $path->as_string;
1501		1884
1502	if (my $map = $cf::MAP{$key}) {	1885	if (my $map = $cf::MAP{$path}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1886	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}	1887	}
1505		1888
1506	$MAP_PREFETCH{$key} = $path;	1889	undef $MAP_PREFETCH{$path};
		1890	$MAP_PREFETCHER ||= cf::async {
		1891	while (%MAP_PREFETCH) {
		1892	for my $path (keys %MAP_PREFETCH) {
		1893	my $map = find $path
		1894	or next;
		1895	$map->load;
		1896
		1897	delete $MAP_PREFETCH{$path};
		1898	}
		1899	}
		1900	undef $MAP_PREFETCHER;
		1901	};
1507	$MAP_PREFETCHER->ready;	1902	$MAP_PREFETCHER->prio (6);
1508		1903
1509	()	1904	()
1510	}	1905	}
1511		1906
1512	sub save {	1907	sub save {
…		…
1516		1911
1517	$self->{last_save} = $cf::RUNTIME;	1912	$self->{last_save} = $cf::RUNTIME;
1518		1913
1519	return unless $self->dirty;	1914	return unless $self->dirty;
1520		1915
1521	my $save = $self->{path}->save_path; utf8::encode $save;	1916	my $save = $self->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1917	my $uniq = $self->uniq_path; utf8::encode $uniq;
1523		1918
1524	$self->{load_path} = $save;	1919	$self->{load_path} = $save;
1525		1920
1526	return if $self->{deny_save};	1921	return if $self->{deny_save};
1527		1922
…		…
1530	cf::async {	1925	cf::async {
1531	$_->contr->save for $self->players;	1926	$_->contr->save for $self->players;
1532	};	1927	};
1533		1928
1534	if ($uniq) {	1929	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1930	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);	1931	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	1932	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1933	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	1934	}
1540	}	1935	}
1541		1936
1542	sub swap_out {	1937	sub swap_out {
1543	my ($self) = @_;	1938	my ($self) = @_;
…		…
1557		1952
1558	sub reset_at {	1953	sub reset_at {
1559	my ($self) = @_;	1954	my ($self) = @_;
1560		1955
1561	# TODO: safety, remove and allow resettable per-player maps	1956	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};
1563	return 1e99 if $self->{deny_reset};	1957	return 1e99 if $self->{deny_reset};
1564		1958
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1959	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1960	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		1961
…		…
1572	my ($self) = @_;	1966	my ($self) = @_;
1573		1967
1574	$self->reset_at <= $cf::RUNTIME	1968	$self->reset_at <= $cf::RUNTIME
1575	}	1969	}
1576		1970
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	1971	sub reset {
1599	my ($self) = @_;	1972	my ($self) = @_;
1600		1973
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	1974	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		1975
1603	return if $self->players;	1976	return if $self->players;
1604	return if $self->{path}{user_rel};#d#
1605		1977
1606	warn "resetting map ", $self->path;#d#	1978	warn "resetting map ", $self->path;
		1979
		1980	$self->in_memory (cf::MAP_SWAPPED);
		1981
		1982	# need to save uniques path
		1983	unless ($self->{deny_save}) {
		1984	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1985
		1986	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1987	if $uniq;
		1988	}
1607		1989
1608	delete $cf::MAP{$self->path};	1990	delete $cf::MAP{$self->path};
		1991
		1992	$self->clear;
1609		1993
1610	$_->clear_links_to ($self) for values %cf::MAP;	1994	$_->clear_links_to ($self) for values %cf::MAP;
1611		1995
1612	$self->unlink_save;	1996	$self->unlink_save;
1613	$self->destroy;	1997	$self->destroy;
…		…
1616	my $nuke_counter = "aaaa";	2000	my $nuke_counter = "aaaa";
1617		2001
1618	sub nuke {	2002	sub nuke {
1619	my ($self) = @_;	2003	my ($self) = @_;
1620		2004
		2005	delete $cf::MAP{$self->path};
		2006
		2007	$self->unlink_save;
		2008
		2009	bless $self, "cf::map";
		2010	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	2011	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	2012	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	2013	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2014
		2015	$cf::MAP{$self->path} = $self;
		2016
1624	$self->reset; # polite request, might not happen	2017	$self->reset; # polite request, might not happen
1625	}	2018	}
1626		2019
1627	sub customise_for {	2020	=item $maps = cf::map::tmp_maps
1628	my ($map, $ob) = @_;
1629		2021
1630	if ($map->per_player) {	2022	Returns an arrayref with all map paths of currently instantiated and saved
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2023	maps. May block.
		2024
		2025	=cut
		2026
		2027	sub tmp_maps() {
1632	}	2028	[
		2029	map {
		2030	utf8::decode $_;
		2031	/\.map$/
		2032	? normalise $_
		2033	: ()
		2034	} @{ aio_readdir $TMPDIR or [] }
		2035	]
		2036	}
1633		2037
1634	$map	2038	=item $maps = cf::map::random_maps
		2039
		2040	Returns an arrayref with all map paths of currently instantiated and saved
		2041	random maps. May block.
		2042
		2043	=cut
		2044
		2045	sub random_maps() {
		2046	[
		2047	map {
		2048	utf8::decode $_;
		2049	/\.map$/
		2050	? normalise "?random/$_"
		2051	: ()
		2052	} @{ aio_readdir $RANDOMDIR or [] }
		2053	]
		2054	}
		2055
		2056	=item cf::map::unique_maps
		2057
		2058	Returns an arrayref of paths of all shared maps that have
		2059	instantiated unique items. May block.
		2060
		2061	=cut
		2062
		2063	sub unique_maps() {
		2064	[
		2065	map {
		2066	utf8::decode $_;
		2067	/\.map$/
		2068	? normalise $_
		2069	: ()
		2070	} @{ aio_readdir $UNIQUEDIR or [] }
		2071	]
1635	}	2072	}
1636		2073
1637	package cf;	2074	package cf;
1638		2075
1639	=back	2076	=back
…		…
1685		2122
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2123	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2124
1688	if ($self->{record_replies}) {	2125	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2126	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2127
1690	} else {	2128	} else {
		2129	my $pl = $self->contr;
		2130
		2131	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2132	my $diag = $pl->{npc_dialog};
		2133	$diag->{pl}->ext_reply (
		2134	$diag->{id},
		2135	msgtype => "reply",
		2136	msg => $diag->{pl}->expand_cfpod ($msg),
		2137	add_topics => []
		2138	);
		2139
		2140	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2141	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2142	$self->message ($msg, $flags);
		2143	}
1693	}	2144	}
1694	}	2145	}
1695		2146
1696	=item $player_object->may ("access")	2147	=item $player_object->may ("access")
1697		2148
…		…
1711		2162
1712	=item $player_object->enter_link	2163	=item $player_object->enter_link
1713		2164
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2165	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2166
1716	The player should be reaosnably safe there for short amounts of time. You	2167	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	2168	I<MUST> call C<leave_link> as soon as possible, though.
1718		2169
		2170	Will never block.
		2171
1719	=item $player_object->leave_link ($map, $x, $y)	2172	=item $player_object->leave_link ($map, $x, $y)
1720		2173
1721	Moves the player out of the specila link map onto the given map. If the	2174	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2175	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2176	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2177	fails, to the emergency map position.
1725		2178
1726	Might block.	2179	Might block.
1727		2180
1728	=cut	2181	=cut
		2182
		2183	sub link_map {
		2184	unless ($LINK_MAP) {
		2185	$LINK_MAP = cf::map::find "{link}"
		2186	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2187	$LINK_MAP->load;
		2188	}
		2189
		2190	$LINK_MAP
		2191	}
1729		2192
1730	sub cf::object::player::enter_link {	2193	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2194	my ($self) = @_;
1732		2195
1733	$self->deactivate_recursive;	2196	$self->deactivate_recursive;
1734		2197
1735	return if $self->map == $LINK_MAP;	2198	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2199
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2200	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2201	if $self->map && $self->map->{path} ne "{link}";
1739		2202
1740	$self->enter_map ($LINK_MAP, 20, 20);	2203	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2204	}
1742		2205
1743	sub cf::object::player::leave_link {	2206	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2207	my ($self, $map, $x, $y) = @_;
		2208
		2209	return unless $self->contr->active;
1745		2210
1746	my $link_pos = delete $self->{_link_pos};	2211	my $link_pos = delete $self->{_link_pos};
1747		2212
1748	unless ($map) {	2213	unless ($map) {
1749	# restore original map position	2214	# restore original map position
…		…
1767	$map->load;	2232	$map->load;
1768	$map->load_diag;	2233	$map->load_diag;
1769		2234
1770	return unless $self->contr->active;	2235	return unless $self->contr->active;
1771	$self->activate_recursive;	2236	$self->activate_recursive;
		2237
		2238	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2239	$self->enter_map ($map, $x, $y);
1773	}	2240	}
1774		2241
1775	cf::player->attach (
1776	on_logout => sub {
1777	my ($pl) = @_;
1778
1779	# abort map switching before logout
1780	if ($pl->ob->{_link_pos}) {
1781	cf::sync_job {
1782	$pl->ob->leave_link
1783	};
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)	2242	=item $player_object->goto ($path, $x, $y[, $check->($map)])
1808		2243
		2244	Moves the player to the given map-path and coordinates by first freezing
		2245	her, loading and preparing them map, calling the provided $check callback
		2246	that has to return the map if sucecssful, and then unfreezes the player on
		2247	the new (success) or old (failed) map position.
		2248
1809	=cut	2249	=cut
		2250
		2251	our $GOTOGEN;
1810		2252
1811	sub cf::object::player::goto {	2253	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2254	my ($self, $path, $x, $y, $check) = @_;
1813		2255
1814	$path = new cf::path $path;	2256	# do generation counting so two concurrent goto's will be executed in-order
1815	$path ne "/" or Carp::cluck ("oy");#d#	2257	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816		2258
1817	$self->enter_link;	2259	$self->enter_link;
1818		2260
1819	(async {	2261	(async {
		2262	my $map = eval {
1820	my $map = cf::map::find $path->as_string;	2263	my $map = cf::map::find $path;
		2264
		2265	if ($map) {
1821	$map = $map->customise_for ($self) if $map;	2266	$map = $map->customise_for ($self);
1822		2267	$map = $check->($map) if $check && $map;
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	2268	} else {
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2269	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2270	}
1827		2271
		2272	$map
		2273	};
		2274
		2275	if ($@) {
		2276	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2277	LOG llevError | logBacktrace, Carp::longmess $@;
		2278	}
		2279
		2280	if ($gen == $self->{_goto_generation}) {
		2281	delete $self->{_goto_generation};
1828	$self->leave_link ($map, $x, $y);	2282	$self->leave_link ($map, $x, $y);
		2283	}
1829	})->prio (1);	2284	})->prio (1);
1830	}	2285	}
1831		2286
1832	=item $player_object->enter_exit ($exit_object)	2287	=item $player_object->enter_exit ($exit_object)
1833		2288
…		…
1835		2290
1836	sub parse_random_map_params {	2291	sub parse_random_map_params {
1837	my ($spec) = @_;	2292	my ($spec) = @_;
1838		2293
1839	my $rmp = { # defaults	2294	my $rmp = { # defaults
1840	xsize => 10,	2295	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	2296	ysize => (cf::rndm 15, 40),
		2297	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2298	#layout => string,
1842	};	2299	};
1843		2300
1844	for (split /\n/, $spec) {	2301	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	2302	my ($k, $v) = split /\s+/, $_, 2;
1846		2303
…		…
1850	$rmp	2307	$rmp
1851	}	2308	}
1852		2309
1853	sub prepare_random_map {	2310	sub prepare_random_map {
1854	my ($exit) = @_;	2311	my ($exit) = @_;
		2312
		2313	my $guard = cf::lock_acquire "exit_prepare:$exit";
1855		2314
1856	# all this does is basically replace the /! path by	2315	# all this does is basically replace the /! path by
1857	# a new random map path (?random/...) with a seed	2316	# a new random map path (?random/...) with a seed
1858	# that depends on the exit object	2317	# that depends on the exit object
1859		2318
1860	my $rmp = parse_random_map_params $exit->msg;	2319	my $rmp = parse_random_map_params $exit->msg;
1861		2320
1862	if ($exit->map) {	2321	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	2322	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	2323	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	2324	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	2325	$rmp->{origin_y} = $exit->y;
1867	}	2326	}
1868		2327
1869	$rmp->{random_seed} ||= $exit->random_seed;	2328	$rmp->{random_seed} ||= $exit->random_seed;
1870		2329
1871	my $data = cf::to_json $rmp;	2330	my $data = cf::to_json $rmp;
1872	my $md5 = Digest::MD5::md5_hex $data;	2331	my $md5 = Digest::MD5::md5_hex $data;
		2332	my $meta = "$RANDOMDIR/$md5.meta";
1873		2333
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2334	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	2335	aio_write $fh, 0, (length $data), $data, 0;
		2336	undef $fh;
		2337	aio_rename "$meta~", $meta;
1876		2338
1877	$exit->slaying ("?random/$md5");	2339	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2340	$exit->msg (undef);
1879	}	2341	}
1880	}	2342	}
1881		2343
1882	sub cf::object::player::enter_exit {	2344	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2345	my ($self, $exit) = @_;
1884		2346
1885	return unless $self->type == cf::PLAYER;	2347	return unless $self->type == cf::PLAYER;
		2348
		2349	if ($exit->slaying eq "/!") {
		2350	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2351	# the problem is that $exit might not survive long enough
		2352	# so it needs to be done right now, right here
		2353	cf::sync_job { prepare_random_map $exit };
		2354	}
		2355
		2356	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2357	my $hp = $exit->stats->hp;
		2358	my $sp = $exit->stats->sp;
1886		2359
1887	$self->enter_link;	2360	$self->enter_link;
1888		2361
1889	(async {	2362	(async {
1890	$self->deactivate_recursive; # just to be sure	2363	$self->deactivate_recursive; # just to be sure
1891	unless (eval {	2364	unless (eval {
1892	prepare_random_map $exit	2365	$self->goto ($slaying, $hp, $sp);
1893	if $exit->slaying eq "/!";
1894
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897		2366
1898	1;	2367	1;
1899	}) {	2368	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2369	$self->message ("Something went wrong deep within the crossfire server. "
1901	. "I'll try to bring you back to the map you were before. "	2370	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2371	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2372	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2373
1905	warn "ERROR in enter_exit: $@";	2374	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	2375	$self->leave_link;
1907	}	2376	}
1908	})->prio (1);	2377	})->prio (1);
…		…
1921		2390
1922	sub cf::client::send_drawinfo {	2391	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2392	my ($self, $text, $flags) = @_;
1924		2393
1925	utf8::encode $text;	2394	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2395	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2396	}
1928		2397
		2398	=item $client->send_msg ($color, $type, $msg, [extra...])
		2399
		2400	Send a drawinfo or msg packet to the client, formatting the msg for the
		2401	client if neccessary. C<$type> should be a string identifying the type of
		2402	the message, with C<log> being the default. If C<$color> is negative, suppress
		2403	the message unless the client supports the msg packet.
		2404
		2405	=cut
		2406
		2407	sub cf::client::send_msg {
		2408	my ($self, $color, $type, $msg, @extra) = @_;
		2409
		2410	$msg = $self->pl->expand_cfpod ($msg);
		2411
		2412	return unless @extra || length $msg;
		2413
		2414	if ($self->can_msg) {
		2415	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $type, $msg, @extra]));
		2416	} else {
		2417	# replace some tags by gcfclient-compatible ones
		2418	for ($msg) {
		2419	1 while
		2420	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2421	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2422	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2423	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2424	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2425	}
		2426
		2427	if ($color >= 0) {
		2428	if (0 && $msg =~ /\[/) {
		2429	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2430	} else {
		2431	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2432	$self->send_packet ("drawinfo $color $msg")
		2433	}
		2434	}
		2435	}
		2436	}
		2437
		2438	=item $client->ext_event ($type, %msg)
		2439
		2440	Sends an ext event to the client.
		2441
		2442	=cut
		2443
		2444	sub cf::client::ext_event($$%) {
		2445	my ($self, $type, %msg) = @_;
		2446
		2447	$msg{msgtype} = "event_$type";
		2448	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2449	}
1929		2450
1930	=item $success = $client->query ($flags, "text", \&cb)	2451	=item $success = $client->query ($flags, "text", \&cb)
1931		2452
1932	Queues a query to the client, calling the given callback with	2453	Queues a query to the client, calling the given callback with
1933	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2454	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1934	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2455	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1935		2456
1936	Queries can fail, so check the return code. Or don't, as queries will become	2457	Queries can fail, so check the return code. Or don't, as queries will
1937	reliable at some point in the future.	2458	become reliable at some point in the future.
1938		2459
1939	=cut	2460	=cut
1940		2461
1941	sub cf::client::query {	2462	sub cf::client::query {
1942	my ($self, $flags, $text, $cb) = @_;	2463	my ($self, $flags, $text, $cb) = @_;
…		…
1950	utf8::encode $text;	2471	utf8::encode $text;
1951	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2472	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1952		2473
1953	$self->send_packet ($self->{query_queue}[0][0])	2474	$self->send_packet ($self->{query_queue}[0][0])
1954	if @{ $self->{query_queue} } == 1;	2475	if @{ $self->{query_queue} } == 1;
		2476
		2477	1
1955	}	2478	}
1956		2479
1957	cf::client->attach (	2480	cf::client->attach (
		2481	on_connect => sub {
		2482	my ($ns) = @_;
		2483
		2484	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2485	},
1958	on_reply => sub {	2486	on_reply => sub {
1959	my ($ns, $msg) = @_;	2487	my ($ns, $msg) = @_;
1960		2488
1961	# this weird shuffling is so that direct followup queries	2489	# this weird shuffling is so that direct followup queries
1962	# get handled first	2490	# get handled first
1963	my $queue = delete $ns->{query_queue}	2491	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	2492	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		2493
1966	(shift @$queue)->[1]->($msg);	2494	(shift @$queue)->[1]->($msg);
		2495	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		2496
1968	push @{ $ns->{query_queue} }, @$queue;	2497	push @{ $ns->{query_queue} }, @$queue;
1969		2498
1970	if (@{ $ns->{query_queue} } == @$queue) {	2499	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	2500	if (@$queue) {
…		…
1973	} else {	2502	} else {
1974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2503	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1975	}	2504	}
1976	}	2505	}
1977	},	2506	},
		2507	on_exticmd => sub {
		2508	my ($ns, $buf) = @_;
		2509
		2510	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2511
		2512	if (ref $msg) {
		2513	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2514	if (my %reply = $cb->($ns, $msg)) {
		2515	$reply{msgid} = $msg->{msgid};
		2516	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2517	}
		2518	}
		2519	} else {
		2520	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2521	}
		2522
		2523	cf::override;
		2524	},
1978	);	2525	);
1979		2526
1980	=item $client->async (\&cb)	2527	=item $client->async (\&cb)
1981		2528
1982	Create a new coroutine, running the specified callback. The coroutine will	2529	Create a new coroutine, running the specified callback. The coroutine will
…		…
2029		2576
2030	# here we export the classes and methods available to script code	2577	# here we export the classes and methods available to script code
2031		2578
2032	=pod	2579	=pod
2033		2580
2034	The following fucntions and emthods are available within a safe environment:	2581	The following functions and methods are available within a safe environment:
2035		2582
2036	cf::object contr pay_amount pay_player map	2583	cf::object contr pay_amount pay_player map
2037	cf::object::player player	2584	cf::object::player player
2038	cf::player peaceful	2585	cf::player peaceful
2039	cf::map trigger	2586	cf::map trigger
…		…
2120	=back	2667	=back
2121		2668
2122	=cut	2669	=cut
2123		2670
2124	#############################################################################	2671	#############################################################################
		2672	# the server's init and main functions
2125		2673
2126	=head2 EXTENSION DATABASE SUPPORT	2674	sub load_facedata($) {
		2675	my ($path) = @_;
2127		2676
2128	Crossfire maintains a very simple database for extension use. It can	2677	warn "loading facedata from $path\n";
2129	currently store anything that can be serialised using Storable, which
2130	excludes objects.
2131		2678
2132	The parameter C<$family> should best start with the name of the extension	2679	my $facedata;
2133	using it, it should be unique.	2680	0 < aio_load $path, $facedata
		2681	or die "$path: $!";
2134		2682
2135	=over 4	2683	$facedata = Coro::Storable::thaw $facedata;
2136		2684
2137	=item $hashref = cf::db_get $family	2685	$facedata->{version} == 2
		2686	or cf::cleanup "$path: version mismatch, cannot proceed.";
2138		2687
2139	Return a hashref for use by the extension C<$family>, which can be
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142
2143	=item $value = cf::db_get $family => $key
2144
2145	Returns a single value from the database
2146
2147	=item cf::db_put $family => $hashref
2148
2149	Stores the given family hashref into the database. Updates are delayed, if
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151
2152	=item cf::db_put $family => $key => $value
2153
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you
2155	want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157	=item cf::db_dirty
2158
2159	Marks the database as dirty, to be updated at a later time.
2160
2161	=item cf::db_sync
2162
2163	Immediately write the database to disk I<if it is dirty>.
2164
2165	=cut
2166
2167	our $DB;
2168
2169	{
2170	my $path = cf::localdir . "/database.pst";
2171
2172	sub db_load() {
2173	$DB = stat $path ? Storable::retrieve $path : { };
2174	}	2688	{
		2689	my $faces = $facedata->{faceinfo};
2175		2690
2176	my $pid;	2691	while (my ($face, $info) = each %$faces) {
2177		2692	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2178	sub db_save() {	2693	cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2179	waitpid $pid, 0 if $pid;	2694	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2180	if (0 == ($pid = fork)) {	2695	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2181	$DB->{_meta}{version} = 1;	2696	Coro::cede;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}
2186	}
2187
2188	my $dirty;
2189
2190	sub db_sync() {
2191	db_save if $dirty;
2192	undef $dirty;
2193	}
2194
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196	db_sync;
2197	});
2198
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}
2203
2204	sub db_get($;$) {
2205	@_ >= 2
2206	? $DB->{$_[0]}{$_[1]}
2207	: ($DB->{$_[0]} ||= { })
2208	}
2209
2210	sub db_put($$;$) {
2211	if (@_ >= 3) {
2212	$DB->{$_[0]}{$_[1]} = $_[2];
2213	} else {
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218
2219	cf::global->attach (
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	2697	}
2224	);
2225	}
2226		2698
2227	#############################################################################	2699	while (my ($face, $info) = each %$faces) {
2228	# the server's main()	2700	next unless $info->{smooth};
		2701	my $idx = cf::face::find $face
		2702	or next;
		2703	if (my $smooth = cf::face::find $info->{smooth}) {
		2704	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};
		2705	} else {
		2706	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2707	}
		2708	Coro::cede;
		2709	}
		2710	}
		2711
		2712	{
		2713	my $anims = $facedata->{animinfo};
		2714
		2715	while (my ($anim, $info) = each %$anims) {
		2716	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2717	Coro::cede;
		2718	}
		2719
		2720	cf::anim::invalidate_all; # d'oh
		2721	}
		2722
		2723	1
		2724	}
		2725
		2726	sub reload_regions {
		2727	load_resource_file "$MAPDIR/regions"
		2728	or die "unable to load regions file\n";
		2729	}
		2730
		2731	sub reload_facedata {
		2732	load_facedata "$DATADIR/facedata"
		2733	or die "unable to load facedata\n";
		2734	}
		2735
		2736	sub reload_archetypes {
		2737	load_resource_file "$DATADIR/archetypes"
		2738	or die "unable to load archetypes\n";
		2739	#d# NEED to laod twice to resolve forward references
		2740	# this really needs to be done in an extra post-pass
		2741	# (which needs to be synchronous, so solve it differently)
		2742	load_resource_file "$DATADIR/archetypes"
		2743	or die "unable to load archetypes\n";
		2744	}
		2745
		2746	sub reload_treasures {
		2747	load_resource_file "$DATADIR/treasures"
		2748	or die "unable to load treasurelists\n";
		2749	}
		2750
		2751	sub reload_resources {
		2752	warn "reloading resource files...\n";
		2753
		2754	reload_regions;
		2755	reload_facedata;
		2756	#reload_archetypes;#d#
		2757	reload_archetypes;
		2758	reload_treasures;
		2759
		2760	warn "finished reloading resource files\n";
		2761	}
		2762
		2763	sub init {
		2764	reload_resources;
		2765	}
2229		2766
2230	sub cfg_load {	2767	sub cfg_load {
2231	open my $fh, "<:utf8", cf::confdir . "/config"	2768	open my $fh, "<:utf8", "$CONFDIR/config"
2232	or return;	2769	or return;
2233		2770
2234	local $/;	2771	local $/;
2235	*CFG = YAML::Syck::Load <$fh>;	2772	*CFG = YAML::Syck::Load <$fh>;
2236		2773
…		…
2250		2787
2251	sub main {	2788	sub main {
2252	# we must not ever block the main coroutine	2789	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	2790	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2791	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2792	(async {
2255	async { Event::one_event };	2793	Event::one_event;
		2794	})->prio (Coro::PRIO_MAX);
2256	};	2795	};
2257		2796
2258	cfg_load;	2797	cfg_load;
2259	db_load;	2798	db_init;
2260	load_extensions;	2799	load_extensions;
		2800
		2801	$TICK_WATCHER->start;
2261	Event::loop;	2802	Event::loop;
2262	}	2803	}
2263		2804
2264	#############################################################################	2805	#############################################################################
2265	# initialisation and cleanup	2806	# initialisation and cleanup
2266		2807
2267	# install some emergency cleanup handlers	2808	# install some emergency cleanup handlers
2268	BEGIN {	2809	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	2810	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	2811	Event->signal (
		2812	reentrant => 0,
2271	data => WF_AUTOCANCEL,	2813	data => WF_AUTOCANCEL,
2272	signal => $signal,	2814	signal => $signal,
		2815	prio => 0,
2273	cb => sub {	2816	cb => sub {
2274	cf::cleanup "SIG$signal";	2817	cf::cleanup "SIG$signal";
2275	},	2818	},
2276	);	2819	);
2277	}	2820	}
2278	}	2821	}
2279		2822
		2823	sub write_runtime {
		2824	my $runtime = "$LOCALDIR/runtime";
		2825
		2826	# first touch the runtime file to show we are still running:
		2827	# the fsync below can take a very very long time.
		2828
		2829	IO::AIO::aio_utime $runtime, undef, undef;
		2830
		2831	my $guard = cf::lock_acquire "write_runtime";
		2832
		2833	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2834	or return;
		2835
		2836	my $value = $cf::RUNTIME + 90 + 10;
		2837	# 10 is the runtime save interval, for a monotonic clock
		2838	# 60 allows for the watchdog to kill the server.
		2839
		2840	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2841	and return;
		2842
		2843	# always fsync - this file is important
		2844	aio_fsync $fh
		2845	and return;
		2846
		2847	# touch it again to show we are up-to-date
		2848	aio_utime $fh, undef, undef;
		2849
		2850	close $fh
		2851	or return;
		2852
		2853	aio_rename "$runtime~", $runtime
		2854	and return;
		2855
		2856	warn "runtime file written.\n";
		2857
		2858	1
		2859	}
		2860
2280	sub emergency_save() {	2861	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	2862	my $freeze_guard = cf::freeze_mainloop;
2282		2863
2283	warn "enter emergency perl save\n";	2864	warn "enter emergency perl save\n";
2284		2865
2285	cf::sync_job {	2866	cf::sync_job {
2286	# use a peculiar iteration method to avoid tripping on perl	2867	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	2868	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	2869	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	2870	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	2871	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	2872	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	2873	$pl->valid or next;
2293	$pl->save;	2874	$pl->save;
…		…
2299	my $map = $cf::MAP{$path} or next;	2880	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	2881	$map->valid or next;
2301	$map->save;	2882	$map->save;
2302	}	2883	}
2303	warn "end emergency map save\n";	2884	warn "end emergency map save\n";
		2885
		2886	warn "begin emergency database checkpoint\n";
		2887	BDB::db_env_txn_checkpoint $DB_ENV;
		2888	warn "end emergency database checkpoint\n";
2304	};	2889	};
2305		2890
2306	warn "leave emergency perl save\n";	2891	warn "leave emergency perl save\n";
2307	}	2892	}
2308		2893
		2894	sub post_cleanup {
		2895	my ($make_core) = @_;
		2896
		2897	warn Carp::longmess "post_cleanup backtrace"
		2898	if $make_core;
		2899	}
		2900
2309	sub reload() {	2901	sub do_reload_perl() {
2310	# can/must only be called in main	2902	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	2903	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	2904	warn "can only reload from main coroutine";
2313	return;	2905	return;
2314	}	2906	}
2315		2907
2316	warn "reloading...";	2908	warn "reloading...";
2317		2909
2318	my $guard = freeze_mainloop;	2910	warn "entering sync_job";
		2911
		2912	cf::sync_job {
		2913	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	2914	cf::emergency_save;
		2915	cf::write_runtime; # external watchdog should not bark
2320		2916
2321	eval {	2917	warn "syncing database to disk";
		2918	BDB::db_env_txn_checkpoint $DB_ENV;
		2919
2322	# if anything goes wrong in here, we should simply crash as we already saved	2920	# if anything goes wrong in here, we should simply crash as we already saved
2323		2921
2324	# cancel all watchers	2922	warn "cancelling all WF_AUTOCANCEL watchers";
2325	for (Event::all_watchers) {	2923	for (Event::all_watchers) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	2924	$_->cancel if $_->data & WF_AUTOCANCEL;
2327	}	2925	}
2328		2926
		2927	warn "flushing outstanding aio requests";
		2928	for (;;) {
		2929	BDB::flush;
		2930	IO::AIO::flush;
		2931	Coro::cede;
		2932	last unless IO::AIO::nreqs || BDB::nreqs;
		2933	warn "iterate...";
		2934	}
		2935
		2936	++$RELOAD;
		2937
2329	# cancel all extension coros	2938	warn "cancelling all extension coros";
2330	$_->cancel for values %EXT_CORO;	2939	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();	2940	%EXT_CORO = ();
2332		2941
2333	# unload all extensions	2942	warn "removing commands";
2334	for (@exts) {	2943	%COMMAND = ();
		2944
		2945	warn "removing ext/exti commands";
		2946	%EXTCMD = ();
		2947	%EXTICMD = ();
		2948
		2949	warn "unloading/nuking all extensions";
		2950	for my $pkg (@EXTS) {
2335	warn "unloading <$_>";	2951	warn "... unloading $pkg";
2336	unload_extension $_;	2952
		2953	if (my $cb = $pkg->can ("unload")) {
		2954	eval {
		2955	$cb->($pkg);
		2956	1
		2957	} or warn "$pkg unloaded, but with errors: $@";
2337	}	2958	}
2338		2959
		2960	warn "... nuking $pkg";
		2961	Symbol::delete_package $pkg;
		2962	}
		2963
2339	# unload all modules loaded from $LIBDIR	2964	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	2965	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2966	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		2967
2343	warn "removing <$k>";	2968	warn "... unloading $k";
2344	delete $INC{$k};	2969	delete $INC{$k};
2345		2970
2346	$k =~ s/\.pm$//;	2971	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	2972	$k =~ s/\//::/g;
2348		2973
…		…
2351	}	2976	}
2352		2977
2353	Symbol::delete_package $k;	2978	Symbol::delete_package $k;
2354	}	2979	}
2355		2980
2356	# sync database to disk
2357	cf::db_sync;
2358	IO::AIO::flush;
2359
2360	# get rid of safe::, as good as possible	2981	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	2982	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2983	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		2984
2364	# remove register_script_function callbacks
2365	# TODO
2366
2367	# unload cf.pm "a bit"	2985	warn "unloading cf.pm \"a bit\"";
2368	delete $INC{"cf.pm"};	2986	delete $INC{"cf.pm"};
		2987	delete $INC{"cf/pod.pm"};
2369		2988
2370	# don't, removes xs symbols, too,	2989	# don't, removes xs symbols, too,
2371	# and global variables created in xs	2990	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	2991	#Symbol::delete_package __PACKAGE__;
2373		2992
2374	# reload cf.pm	2993	warn "unload completed, starting to reload now";
		2994
2375	warn "reloading cf.pm";	2995	warn "reloading cf.pm";
2376	require cf;	2996	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2997	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378		2998
2379	# load config and database again	2999	warn "loading config and database again";
2380	cf::cfg_load;	3000	cf::cfg_load;
2381	cf::db_load;
2382		3001
2383	# load extensions
2384	warn "load extensions";	3002	warn "loading extensions";
2385	cf::load_extensions;	3003	cf::load_extensions;
2386		3004
2387	# reattach attachments to objects	3005	warn "reattaching attachments to objects/players";
2388	warn "reattach";	3006	_global_reattach; # objects, sockets
2389	_global_reattach;	3007	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	3008	reattach $_ for values %MAP;
2391	};	3009	warn "reattaching attachments to players";
		3010	reattach $_ for values %PLAYER;
2392		3011
2393	if ($@) {	3012	warn "leaving sync_job";
		3013
		3014	1
		3015	} or do {
2394	warn $@;	3016	warn $@;
2395	warn "error while reloading, exiting.";	3017	warn "error while reloading, exiting.";
2396	exit 1;	3018	exit 1;
2397	}	3019	};
2398		3020
2399	warn "reloaded successfully";	3021	warn "reloaded";
2400	};	3022	};
2401		3023
2402	#############################################################################	3024	our $RELOAD_WATCHER; # used only during reload
2403		3025
2404	unless ($LINK_MAP) {	3026	sub reload_perl() {
2405	$LINK_MAP = cf::map::new;	3027	# doing reload synchronously and two reloads happen back-to-back,
		3028	# coro crashes during coro_state_free->destroy here.
2406		3029
2407	$LINK_MAP->width (41);	3030	$RELOAD_WATCHER ||= Event->timer (
2408	$LINK_MAP->height (41);	3031	reentrant => 0,
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,	3032	after => 0,
		3033	data => WF_AUTOCANCEL,
2417	cb => sub {	3034	cb => sub {
2418	$_[0]->w->cancel;	3035	do_reload_perl;
2419		3036	undef $RELOAD_WATCHER;
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});	3037	},
2438		3038	);
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}	3039	}
2444
2445	register "<global>", __PACKAGE__;
2446		3040
2447	register_command "reload" => sub {	3041	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	3042	my ($who, $arg) = @_;
2449		3043
2450	if ($who->flag (FLAG_WIZ)) {	3044	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	3045	$who->message ("reloading server.");
		3046	async { reload_perl };
2454	}	3047	}
2455	};	3048	};
2456		3049
2457	unshift @INC, $LIBDIR;	3050	unshift @INC, $LIBDIR;
2458		3051
		3052	my $bug_warning = 0;
		3053
		3054	our @WAIT_FOR_TICK;
		3055	our @WAIT_FOR_TICK_BEGIN;
		3056
		3057	sub wait_for_tick {
		3058	return unless $TICK_WATCHER->is_active;
		3059	return if $Coro::current == $Coro::main;
		3060
		3061	my $signal = new Coro::Signal;
		3062	push @WAIT_FOR_TICK, $signal;
		3063	$signal->wait;
		3064	}
		3065
		3066	sub wait_for_tick_begin {
		3067	return unless $TICK_WATCHER->is_active;
		3068	return if $Coro::current == $Coro::main;
		3069
		3070	my $signal = new Coro::Signal;
		3071	push @WAIT_FOR_TICK_BEGIN, $signal;
		3072	$signal->wait;
		3073	}
		3074
		3075	my $min = 1e6;#d#
		3076	my $avg = 10;
2459	$TICK_WATCHER = Event->timer (	3077	$TICK_WATCHER = Event->timer (
2460	reentrant => 0,	3078	reentrant => 0,
		3079	parked => 1,
2461	prio => 0,	3080	prio => 0,
2462	at => $NEXT_TICK || $TICK,	3081	at => $NEXT_TICK || $TICK,
2463	data => WF_AUTOCANCEL,	3082	data => WF_AUTOCANCEL,
2464	cb => sub {	3083	cb => sub {
		3084	if ($Coro::current != $Coro::main) {
		3085	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3086	unless ++$bug_warning > 10;
		3087	return;
		3088	}
		3089
		3090	$NOW = $tick_start = Event::time;
		3091
2465	cf::server_tick; # one server iteration	3092	cf::server_tick; # one server iteration
		3093
		3094	0 && sync_job {#d#
		3095	for(1..10) {
		3096	my $t = Event::time;
		3097	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3098	or die;
		3099
		3100	$map->width (50);
		3101	$map->height (50);
		3102	$map->alloc;
		3103	$map->_load_objects ("/tmp/x.map", 1);
		3104	my $t = Event::time - $t;
		3105
		3106	#next unless $t < 0.0013;#d#
		3107	if ($t < $min) {
		3108	$min = $t;
		3109	}
		3110	$avg = $avg * 0.99 + $t * 0.01;
		3111	}
		3112	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3113	exit 0;
		3114	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3115	};
		3116
2466	$RUNTIME += $TICK;	3117	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;	3118	$NEXT_TICK += $TICK;
2468		3119
2469	$WAIT_FOR_TICK->broadcast;	3120	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3121	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3122	Coro::async_pool {
		3123	write_runtime
		3124	or warn "ERROR: unable to write runtime file: $!";
		3125	};
		3126	}
		3127
		3128	# my $AFTER = Event::time;
		3129	# warn $AFTER - $NOW;#d#
		3130
		3131	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3132	$sig->send;
		3133	}
		3134	while (my $sig = shift @WAIT_FOR_TICK) {
		3135	$sig->send;
		3136	}
		3137
		3138	$NOW = Event::time;
2471		3139
2472	# if we are delayed by four ticks or more, skip them all	3140	# if we are delayed by four ticks or more, skip them all
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3141	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2474		3142
2475	$TICK_WATCHER->at ($NEXT_TICK);	3143	$TICK_WATCHER->at ($NEXT_TICK);
2476	$TICK_WATCHER->start;	3144	$TICK_WATCHER->start;
		3145
		3146	$LOAD = ($NOW - $tick_start) / $TICK;
		3147	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3148
		3149	_post_tick;
		3150
		3151
2477	},	3152	},
2478	);	3153	);
2479		3154
		3155	{
2480	IO::AIO::max_poll_time $TICK * 0.2;	3156	BDB::max_poll_time $TICK * 0.1;
2481		3157	$BDB_POLL_WATCHER = Event->io (
2482	Event->io (	3158	reentrant => 0,
2483	fd => IO::AIO::poll_fileno,	3159	fd => BDB::poll_fileno,
2484	poll => 'r',	3160	poll => 'r',
2485	prio => 5,	3161	prio => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,	3162	data => WF_AUTOCANCEL,
2492	after => 0,	3163	cb => \&BDB::poll_cb,
2493	interval => 10,	3164	);
2494	cb => sub {	3165	BDB::min_parallel 8;
2495	(Coro::unblock_sub {	3166
2496	write_runtime	3167	BDB::set_sync_prepare {
2497	or warn "ERROR: unable to write runtime file: $!";	3168	my $status;
		3169	my $current = $Coro::current;
		3170	(
		3171	sub {
		3172	$status = $!;
		3173	$current->ready; undef $current;
		3174	},
		3175	sub {
		3176	Coro::schedule while defined $current;
		3177	$! = $status;
		3178	},
		3179	)
		3180	};
		3181
		3182	unless ($DB_ENV) {
		3183	$DB_ENV = BDB::db_env_create;
		3184
		3185	cf::sync_job {
		3186	eval {
		3187	BDB::db_env_open
		3188	$DB_ENV,
		3189	$BDBDIR,
		3190	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3191	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3192	0666;
		3193
		3194	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3195
		3196	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3197	$DB_ENV->set_lk_detect;
		3198	};
		3199
		3200	cf::cleanup "db_env_open(db): $@" if $@;
2498	})->();	3201	};
2499	},	3202	}
2500	);	3203	}
		3204
		3205	{
		3206	IO::AIO::min_parallel 8;
		3207
		3208	undef $Coro::AIO::WATCHER;
		3209	IO::AIO::max_poll_time $TICK * 0.1;
		3210	$AIO_POLL_WATCHER = Event->io (
		3211	reentrant => 0,
		3212	data => WF_AUTOCANCEL,
		3213	fd => IO::AIO::poll_fileno,
		3214	poll => 'r',
		3215	prio => 6,
		3216	cb => \&IO::AIO::poll_cb,
		3217	);
		3218	}
		3219
		3220	my $_log_backtrace;
		3221
		3222	sub _log_backtrace {
		3223	my ($msg, @addr) = @_;
		3224
		3225	$msg =~ s/\n//;
		3226
		3227	# limit the # of concurrent backtraces
		3228	if ($_log_backtrace < 2) {
		3229	++$_log_backtrace;
		3230	async {
		3231	my @bt = fork_call {
		3232	@addr = map { sprintf "%x", $_ } @addr;
		3233	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3234	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3235	or die "addr2line: $!";
		3236
		3237	my @funcs;
		3238	my @res = <$fh>;
		3239	chomp for @res;
		3240	while (@res) {
		3241	my ($func, $line) = splice @res, 0, 2, ();
		3242	push @funcs, "[$func] $line";
		3243	}
		3244
		3245	@funcs
		3246	};
		3247
		3248	LOG llevInfo, "[ABT] $msg\n";
		3249	LOG llevInfo, "[ABT] $_\n" for @bt;
		3250	--$_log_backtrace;
		3251	};
		3252	} else {
		3253	LOG llevInfo, "[ABT] $msg\n";
		3254	LOG llevInfo, "[ABT] [suppressed]\n";
		3255	}
		3256	}
		3257
		3258	# load additional modules
		3259	use cf::pod;
2501		3260
2502	END { cf::emergency_save }	3261	END { cf::emergency_save }
2503		3262
2504	1	3263	1
2505		3264

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