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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.361 by root, Sun Sep 9 12:52:48 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 3.64 ();
		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;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$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		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	80	our $NEXT_TICK;
50	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
51		86
52	our %CFG;	87	our %CFG;
53		88
54	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	90	our $RUNTIME;
56		91
57	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		95
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
64		102
65	binmode STDOUT;	103	binmode STDOUT;
66	binmode STDERR;	104	binmode STDERR;
67		105
68	# read virtual server time, if available	106	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
73	}	111	}
74		112
75	mkdir cf::localdir;	113	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		115
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
84		119
85	#############################################################################	120	#############################################################################
86		121
87	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
88		123
…		…
95	=item $cf::RUNTIME	130	=item $cf::RUNTIME
96		131
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	133	every server tick.
99		134
100	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		138
102	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
104		143
105	=item $cf::NOW	144	=item $cf::NOW
106		145
107	The time of the last (current) server tick.	146	The time of the last (current) server tick.
108		147
109	=item $cf::TICK	148	=item $cf::TICK
110		149
111	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
112		161
113	=item %cf::CFG	162	=item %cf::CFG
114		163
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	165	from wherever your confdir points to.
117		166
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		168
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
124		178
125	=back	179	=back
126		180
127	=cut	181	=cut
128		182
129	BEGIN {	183	BEGIN {
130	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	185	my $msg = join "", @_;
132	utf8::encode $msg;
133		186
134	$msg .= "\n"	187	$msg .= "\n"
135	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
136		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
137	LOG llevError, $msg;	193	LOG llevError, $msg;
138	};	194	};
139	}	195	}
140		196
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		204
148	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	206	# within the Safe compartment.
150	for my $pkg (qw(	207	for my $pkg (qw(
151	cf::global cf::attachable	208	cf::global cf::attachable
…		…
159	}	216	}
160		217
161	$Event::DIED = sub {	218	$Event::DIED = sub {
162	warn "error in event callback: @_";	219	warn "error in event callback: @_";
163	};	220	};
		221
		222	#############################################################################
164		223
165	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
166		225
167	=over 4	226	=over 4
168		227
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	247	$d
189	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
190	}	249	}
191		250
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
195		252
196	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
197		254
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
206		256
207	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
208		258
209	=cut	259	=cut
210		260
211	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
213	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
214	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
215		265
216	=item cf::lock_wait $string	266	=item cf::lock_wait $string
217		267
218	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
219		269
…		…
222	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
223	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
224	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
225	returned.	275	returned.
226		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
227	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
229		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
230	=cut	287	=cut
231		288
232	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
233		291
234	sub lock_wait($) {	292	sub lock_wait($) {
235	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
236		299
237	# wait for lock, if any	300	# wait for lock, if any
238	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;	303	Coro::schedule;
…		…
246		309
247	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
248	lock_wait $key;	311	lock_wait $key;
249		312
250	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
251		315
252	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
253	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
255	}	320	}
256	}	321	}
257		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
258	sub freeze_mainloop {	329	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
260		331
261	my $guard = Coro::guard { $TICK_WATCHER->start };	332	my $guard = Coro::guard {
		333	$TICK_WATCHER->start;
		334	};
262	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
263	$guard	336	$guard
		337	}
		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
264	}	393	}
265		394
266	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
267		396
268	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		402
274	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
275		404
276	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
277		406
278	The design of crossfire+ requires that the main coro ($Coro::main) is	407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	408	is always able to handle events or runnable, as Crossfire TRT is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
281		411
282	If it must be done, put the blocking parts into C<sync_job>. This will run	412	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	413	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	414	server will be frozen during this time, so the block should either finish
285	fast or be very important.	415	fast or be very important.
…		…
288		418
289	sub sync_job(&) {	419	sub sync_job(&) {
290	my ($job) = @_;	420	my ($job) = @_;
291		421
292	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
293	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
295		427
296	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
308		440
309	while ($busy) {	441	while ($busy) {
310	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
311	}	443	}
312		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
		451
313	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
314	} else {	453	} else {
315	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
316		455
317	$job->()	456	$job->()
…		…
336	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
337		476
338	$coro	477	$coro
339	}	478	}
340		479
341	sub write_runtime {	480	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		481
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	482	Executes the given code block with the given arguments in a seperate
345	or return;	483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
346		486
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	487	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		488
351	aio_fsync $fh	489	sub fork_call(&@) {
352	and return;	490	my ($cb, @args) = @_;
353		491
354	close $fh	492	# we seemingly have to make a local copy of the whole thing,
355	or return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
356		495
357	aio_rename "$runtime~", $runtime	496	my @res = Coro::Util::fork_eval {
358	and return;	497	reset_signals;
		498	&$cb
		499	}, @args;
359		500
		501	wantarray ? @res : $res[-1]
		502	}
		503
		504	=item $value = cf::db_get $family => $key
		505
		506	Returns a single value from the environment database.
		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
360	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
		618	}
		619
		620	=item cf::datalog type => key => value, ...
		621
		622	Log a datalog packet of the given type with the given key-value pairs.
		623
		624	=cut
		625
		626	sub datalog($@) {
		627	my ($type, %kv) = @_;
		628	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	629	}
362		630
363	=back	631	=back
364		632
365	=cut	633	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521		634
522	#############################################################################	635	#############################################################################
523		636
524	=head2 ATTACHABLE OBJECTS	637	=head2 ATTACHABLE OBJECTS
525		638
…		…
527	attach callbacks/event handlers (a collection of which is called an "attachment")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
528	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
529		642
530	In the following description, CLASS can be any of C<global>, C<object>	643	In the following description, CLASS can be any of C<global>, C<object>
531	C<player>, C<client> or C<map> (i.e. the attachable objects in	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
532	crossfire+).	645	Crossfire TRT).
533		646
534	=over 4	647	=over 4
535		648
536	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
537		650
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	764	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	765	our @CB_MAP = ();
653		766
654	my %attachment;	767	my %attachment;
655		768
		769	sub cf::attachable::thawer_merge {
		770	# simply override everything except _meta
		771	local $_[0]{_meta};
		772	%{$_[0]} = %{$_[1]};
		773	}
		774
656	sub _attach_cb($$$$) {	775	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	776	my ($registry, $event, $prio, $cb) = @_;
658		777
659	use sort 'stable';	778	use sort 'stable';
660		779
…		…
694	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
695		814
696	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
697	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
698	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
699	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
700		819
701	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
702	my $pkg = shift @arg;	821	my $pkg = shift @arg;
703		822
704	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
733	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
734	}	853	}
735		854
736	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
737	} else {	856	} else {
738	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
739	}	858	}
740		859
741	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
742	}	861	}
743		862
…		…
745	if (ref $_[0]) {	864	if (ref $_[0]) {
746	_object_attach @_;	865	_object_attach @_;
747	} else {	866	} else {
748	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
749	}	868	}
		869	_recalc_want;
750	};	870	};
751		871
752	# all those should be optimised	872	# all those should be optimised
753	sub cf::attachable::detach {	873	sub cf::attachable::detach {
754	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
757	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
758	reattach ($obj);	878	reattach ($obj);
759	} else {	879	} else {
760	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
761	}	881	}
		882	_recalc_want;
762	};	883	};
763		884
764	sub cf::attachable::attached {	885	sub cf::attachable::attached {
765	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
766		887
…		…
781	";	902	";
782	die if $@;	903	die if $@;
783	}	904	}
784		905
785	our $override;	906	our $override;
786	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
787		908
788	sub override {	909	sub override {
789	$override = 1;	910	$override = 1;
790	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
791	}	912	}
792		913
793	sub do_invoke {	914	sub do_invoke {
794	my $event = shift;	915	my $event = shift;
795	my $callbacks = shift;	916	my $callbacks = shift;
796		917
797	@invoke_results = ();	918	@INVOKE_RESULTS = ();
798		919
799	local $override;	920	local $override;
800		921
801	for (@$callbacks) {	922	for (@$callbacks) {
802	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
819		940
820	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
821		942
822	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
823	removed in future versions), and there is no public API to access override	944	removed in future versions), and there is no public API to access override
824	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
825		946
826	=back	947	=back
827		948
828	=cut	949	=cut
829		950
830	#############################################################################	951	#############################################################################
831	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
832		964
833	sub reattach {	965	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	967	my ($obj) = @_;
		968
		969	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		970
837	my $registry = $obj->registry;	971	my $registry = $obj->registry;
838		972
839	@$registry = ();	973	@$registry = ();
840		974
…		…
879	);	1013	);
880		1014
881	sub object_freezer_save {	1015	sub object_freezer_save {
882	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
883		1017
		1018	my $guard = cf::lock_acquire "io";
		1019
884	sync_job {	1020	sync_job {
885	if (length $$rdata) {	1021	if (length $$rdata) {
886	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
887	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
888		1024
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
893	close $fh;	1029	close $fh;
894		1030
895	if (@$objs) {	1031	if (@$objs) {
896	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1032	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
897	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
900	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
901	close $fh;	1037	close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
903	}	1039	}
904	} else {	1040	} else {
905	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
911	}	1047	}
912	} else {	1048	} else {
913	aio_unlink $filename;	1049	aio_unlink $filename;
914	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
915	}	1051	}
916	}	1052	};
		1053
		1054	undef $guard;
917	}	1055	}
918		1056
919	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
920	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
921		1059
…		…
926		1064
927	sub object_thawer_load {	1065	sub object_thawer_load {
928	my ($filename) = @_;	1066	my ($filename) = @_;
929		1067
930	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
931		1071
932	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
933	or return;	1073	or return;
934		1074
935	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
936	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
937	or return;	1077	or return;
		1078
		1079	undef $guard;
938	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
939	}	1081	}
940		1082
941	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
942	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
943	return ($data, $av);	1086	($data, $av)
944	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
945		1094
946	#############################################################################	1095	#############################################################################
947	# command handling &c	1096	# command handling &c
948		1097
949	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
962	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
963	}	1112	}
964		1113
965	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
966		1115
967	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
968		1121
969	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
970	called.	1123	called.
971		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
972	=cut	1136	=cut
973		1137
974	sub register_extcmd {	1138	sub register_extcmd {
975	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
976		1140
977	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
978	}	1148	}
979		1149
980	cf::player->attach (	1150	cf::player->attach (
981	on_command => sub {	1151	on_command => sub {
982	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
991	cf::override;	1161	cf::override;
992	},	1162	},
993	on_extcmd => sub {	1163	on_extcmd => sub {
994	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
995		1165
996	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
997		1167
998	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
999	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
1000	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
1001	$pl->ext_reply ($msg->{msgid}, %reply);
1002	}
1003	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
1004	} else {	1183	} else {
1005	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1006	}	1185	}
1007		1186
1008	cf::override;	1187	cf::override;
1009	},	1188	},
1010	);	1189	);
1011		1190
1012	sub load_extension {
1013	my ($path) = @_;
1014
1015	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1016	my $base = $1;
1017	my $pkg = $1;
1018	$pkg =~ s/[^[:word:]]/_/g;
1019	$pkg = "ext::$pkg";
1020
1021	warn "... loading '$path' into '$pkg'\n";
1022
1023	open my $fh, "<:utf8", $path
1024	or die "$path: $!";
1025
1026	my $source =
1027	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })
1030	. "\n};\n1";
1031
1032	eval $source
1033	or die $@ ? "$path: $@\n"
1034	: "extension disabled.\n";
1035
1036	push @EXTS, $pkg;
1037	}
1038
1039	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
1040	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
1041	next unless -r $ext;	1196	next unless -r $path;
1042	eval {	1197
1043	load_extension $ext;	1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
1044	1	1255	}
1045	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
1046	}	1261	};
1047	}	1262	}
1048		1263
1049	#############################################################################	1264	#############################################################################
1050	# load/save/clean perl data associated with a map
1051		1265
1052	*cf::mapsupport::on_clean = sub {	1266	=back
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		1267
1065	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
1066		1269
1067	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
1068		1271
…		…
1074		1277
1075	=head3 cf::player	1278	=head3 cf::player
1076		1279
1077	=over 4	1280	=over 4
1078		1281
		1282	=item cf::player::num_playing
		1283
		1284	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1285
		1286	=cut
		1287
		1288	sub num_playing {
		1289	scalar grep
		1290	$_->ob->map
		1291	&& !$_->hidden
		1292	&& !$_->ob->flag (cf::FLAG_WIZ),
		1293	cf::player::list
		1294	}
		1295
1079	=item cf::player::find $login	1296	=item cf::player::find $login
1080		1297
1081	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
1082		1299
1083	=cut	1300	=cut
1084		1301
1085	sub playerdir($) {	1302	sub playerdir($) {
1086	cf::localdir	1303	"$PLAYERDIR/"
1087	. "/"
1088	. cf::playerdir
1089	. "/"
1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1091	}	1305	}
1092		1306
1093	sub path($) {	1307	sub path($) {
1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095		1309
1096	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
1097	}	1311	}
1098		1312
1099	sub find_active($) {	1313	sub find_active($) {
1100	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
1101	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
1104		1318
1105	sub exists($) {	1319	sub exists($) {
1106	my ($login) = @_;	1320	my ($login) = @_;
1107		1321
1108	$cf::PLAYER{$login}	1322	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	1323	or cf::sync_job { !aio_stat path $login }
1110	}	1324	}
1111		1325
1112	sub find($) {	1326	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	1327	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	1328	my $login = $_[0];
1115		1329
1116	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
1117		1331
1118	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
1119	my $pl = load_pl path $login	1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
		1340	my $f = new_from_file cf::object::thawer path $login
1120	or return;	1341	or return;
		1342
		1343	$f->next;
		1344	my $pl = cf::player::load_pl $f
		1345	or return;
		1346	local $cf::PLAYER_LOADING{$login} = $pl;
		1347	$f->resolve_delayed_derefs;
1121	$cf::PLAYER{$login} = $pl	1348	$cf::PLAYER{$login} = $pl
1122	}	1349	}
1123	}	1350	}
1124	}	1351	}
1125		1352
…		…
1135		1362
1136	aio_mkdir playerdir $pl, 0770;	1363	aio_mkdir playerdir $pl, 0770;
1137	$pl->{last_save} = $cf::RUNTIME;	1364	$pl->{last_save} = $cf::RUNTIME;
1138		1365
1139	$pl->save_pl ($path);	1366	$pl->save_pl ($path);
1140	Coro::cede;	1367	cf::cede_to_tick;
1141	}	1368	}
1142		1369
1143	sub new($) {	1370	sub new($) {
1144	my ($login) = @_;	1371	my ($login) = @_;
1145		1372
…		…
1151	$cf::PLAYER{$login} = $self;	1378	$cf::PLAYER{$login} = $self;
1152		1379
1153	$self	1380	$self
1154	}	1381	}
1155		1382
		1383	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1384
		1385	=cut
		1386
		1387	sub send_msg {
		1388	my $ns = shift->ns
		1389	or return;
		1390	$ns->send_msg (@_);
		1391	}
		1392
1156	=item $pl->quit_character	1393	=item $pl->quit_character
1157		1394
1158	Nukes the player without looking back. If logged in, the connection will	1395	Nukes the player without looking back. If logged in, the connection will
1159	be destroyed. May block for a long time.	1396	be destroyed. May block for a long time.
1160		1397
1161	=cut	1398	=cut
1162		1399
1163	sub quit_character {	1400	sub quit_character {
1164	my ($pl) = @_;	1401	my ($pl) = @_;
		1402
		1403	my $name = $pl->ob->name;
1165		1404
1166	$pl->{deny_save} = 1;	1405	$pl->{deny_save} = 1;
1167	$pl->password ("*"); # this should lock out the player until we nuked the dir	1406	$pl->password ("*"); # this should lock out the player until we nuked the dir
1168		1407
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1408	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1174	my $path = playerdir $pl;	1413	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1414	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1415	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1416	delete $cf::PLAYER{$pl->ob->name};
1178	$pl->destroy;	1417	$pl->destroy;
		1418
		1419	my $prefix = qr<^~\Q$name\E/>;
		1420
		1421	# nuke player maps
		1422	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1423
1179	IO::AIO::aio_rmtree $temp;	1424	IO::AIO::aio_rmtree $temp;
		1425	}
		1426
		1427	=item $pl->kick
		1428
		1429	Kicks a player out of the game. This destroys the connection.
		1430
		1431	=cut
		1432
		1433	sub kick {
		1434	my ($pl, $kicker) = @_;
		1435
		1436	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1437	$pl->killer ("kicked");
		1438	$pl->ns->destroy;
1180	}	1439	}
1181		1440
1182	=item cf::player::list_logins	1441	=item cf::player::list_logins
1183		1442
1184	Returns am arrayref of all valid playernames in the system, can take a	1443	Returns am arrayref of all valid playernames in the system, can take a
1185	while and may block, so not sync_job-capable, ever.	1444	while and may block, so not sync_job-capable, ever.
1186		1445
1187	=cut	1446	=cut
1188		1447
1189	sub list_logins {	1448	sub list_logins {
1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1449	my $dirs = aio_readdir $PLAYERDIR
1191	or return [];	1450	or return [];
1192		1451
1193	my @logins;	1452	my @logins;
1194		1453
1195	for my $login (@$dirs) {	1454	for my $login (@$dirs) {
		1455	my $path = path $login;
		1456
		1457	# a .pst is a dead give-away for a valid player
		1458	unless (-e "$path.pst") {
1196	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1459	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1197	aio_read $fh, 0, 512, my $buf, 0 or next;	1460	aio_read $fh, 0, 512, my $buf, 0 or next;
1198	$buf !~ /^password -------------$/m or next; # official not-valid tag	1461	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1462	}
1199		1463
1200	utf8::decode $login;	1464	utf8::decode $login;
1201	push @logins, $login;	1465	push @logins, $login;
1202	}	1466	}
1203		1467
1204	\@logins	1468	\@logins
1205	}	1469	}
1206		1470
1207	=item $player->maps	1471	=item $player->maps
1208		1472
1209	Returns an arrayref of cf::path's of all maps that are private for this	1473	Returns an arrayref of map paths that are private for this
1210	player. May block.	1474	player. May block.
1211		1475
1212	=cut	1476	=cut
1213		1477
1214	sub maps($) {	1478	sub maps($) {
1215	my ($pl) = @_;	1479	my ($pl) = @_;
		1480
		1481	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1482
1217	my $files = aio_readdir playerdir $pl	1483	my $files = aio_readdir playerdir $pl
1218	or return;	1484	or return;
1219		1485
1220	my @paths;	1486	my @paths;
…		…
1222	for (@$files) {	1488	for (@$files) {
1223	utf8::decode $_;	1489	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1490	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1491	next unless /^$PATH_SEP/o;
1226		1492
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1493	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1494	}
1229		1495
1230	\@paths	1496	\@paths
1231	}	1497	}
1232		1498
		1499	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1500
		1501	Expand crossfire pod fragments into protocol xml.
		1502
		1503	=cut
		1504
		1505	sub expand_cfpod {
		1506	((my $self), (local $_)) = @_;
		1507
		1508	# escape & and <
		1509	s/&/&amp;/g;
		1510	s/(?<![BIUGHT])</&lt;/g;
		1511
		1512	# this is buggy, it needs to properly take care of nested <'s
		1513
		1514	1 while
		1515	# replace B<>, I<>, U<> etc.
		1516	s/B<([^\>]*)>/<b>$1<\/b>/
		1517	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1518	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1519	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1520	# replace G<male|female> tags
		1521	|| s{G<([^>|]*)\|([^>]*)>}{
		1522	$self->gender ? $2 : $1
		1523	}ge
		1524	# replace H<hint text>
		1525	|| s{H<([^\>]*)>}
		1526	{
		1527	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1528	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1529	"")
		1530	[$self->{hintmode}]
		1531	}ge;
		1532
		1533	# create single paragraphs (very hackish)
		1534	s/(?<=\S)\n(?=\w)/ /g;
		1535
		1536	# compress some whitespace
		1537	s/\s+\n/\n/g; # ws line-ends
		1538	s/\n\n+/\n/g; # double lines
		1539	s/^\n+//; # beginning lines
		1540	s/\n+$//; # ending lines
		1541
		1542	$_
		1543	}
		1544
		1545	sub hintmode {
		1546	$_[0]{hintmode} = $_[1] if @_ > 1;
		1547	$_[0]{hintmode}
		1548	}
		1549
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1550	=item $player->ext_reply ($msgid, @msg)
1234		1551
1235	Sends an ext reply to the player.	1552	Sends an ext reply to the player.
1236		1553
1237	=cut	1554	=cut
1238		1555
1239	sub ext_reply($$$%) {	1556	sub ext_reply($$@) {
1240	my ($self, $id, %msg) = @_;	1557	my ($self, $id, @msg) = @_;
1241		1558
1242	$msg{msgid} = $id;	1559	$self->ns->ext_reply ($id, @msg)
1243
1244	$self->send ("ext " . cf::to_json \%msg);
1245	}	1560	}
1246		1561
1247	package cf;	1562	=item $player->ext_msg ($type, @msg)
		1563
		1564	Sends an ext event to the client.
		1565
		1566	=cut
		1567
		1568	sub ext_msg($$@) {
		1569	my ($self, $type, @msg) = @_;
		1570
		1571	$self->ns->ext_msg ($type, @msg);
		1572	}
		1573
		1574	=head3 cf::region
		1575
		1576	=over 4
		1577
		1578	=cut
		1579
		1580	package cf::region;
		1581
		1582	=item cf::region::find_by_path $path
		1583
		1584	Tries to decuce the likely region for a map knowing only its path.
		1585
		1586	=cut
		1587
		1588	sub find_by_path($) {
		1589	my ($path) = @_;
		1590
		1591	my ($match, $specificity);
		1592
		1593	for my $region (list) {
		1594	if ($region->{match} && $path =~ $region->{match}) {
		1595	($match, $specificity) = ($region, $region->specificity)
		1596	if $region->specificity > $specificity;
		1597	}
		1598	}
		1599
		1600	$match
		1601	}
1248		1602
1249	=back	1603	=back
1250
1251		1604
1252	=head3 cf::map	1605	=head3 cf::map
1253		1606
1254	=over 4	1607	=over 4
1255		1608
…		…
1258	package cf::map;	1611	package cf::map;
1259		1612
1260	use Fcntl;	1613	use Fcntl;
1261	use Coro::AIO;	1614	use Coro::AIO;
1262		1615
		1616	use overload
		1617	'""' => \&as_string,
		1618	fallback => 1;
		1619
1263	our $MAX_RESET = 3600;	1620	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1621	our $DEFAULT_RESET = 3000;
1265		1622
1266	sub generate_random_map {	1623	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1624	my ($self, $rmp) = @_;
1268
1269	# mit "rum" bekleckern, nicht	1625	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1626	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1627	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1628	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1629	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1630	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1631	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1632	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1633	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1634	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1635	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1636	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(cf::region::find $rmp->{region})	1637	(cf::region::find $rmp->{region}), $rmp->{custom}
		1638	)
		1639	}
		1640
		1641	=item cf::map->register ($regex, $prio)
		1642
		1643	Register a handler for the map path matching the given regex at the
		1644	givne priority (higher is better, built-in handlers have priority 0, the
		1645	default).
		1646
		1647	=cut
		1648
		1649	sub register {
		1650	my (undef, $regex, $prio) = @_;
		1651	my $pkg = caller;
		1652
		1653	no strict;
		1654	push @{"$pkg\::ISA"}, __PACKAGE__;
		1655
		1656	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1657	}
		1658
		1659	# also paths starting with '/'
		1660	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1661
		1662	sub thawer_merge {
		1663	my ($self, $merge) = @_;
		1664
		1665	# we have to keep some variables in memory intact
		1666	local $self->{path};
		1667	local $self->{load_path};
		1668
		1669	$self->SUPER::thawer_merge ($merge);
		1670	}
		1671
		1672	sub normalise {
		1673	my ($path, $base) = @_;
		1674
		1675	$path = "$path"; # make sure its a string
		1676
		1677	$path =~ s/\.map$//;
		1678
		1679	# map plan:
		1680	#
		1681	# /! non-realised random map exit (special hack!)
		1682	# {... are special paths that are not being touched
		1683	# ?xxx/... are special absolute paths
		1684	# ?random/... random maps
		1685	# /... normal maps
		1686	# ~user/... per-player map of a specific user
		1687
		1688	$path =~ s/$PATH_SEP/\//go;
		1689
		1690	# treat it as relative path if it starts with
		1691	# something that looks reasonable
		1692	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1693	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1694
		1695	$base =~ s{[^/]+/?$}{};
		1696	$path = "$base/$path";
		1697	}
		1698
		1699	for ($path) {
		1700	redo if s{//}{/};
		1701	redo if s{/\.?/}{/};
		1702	redo if s{/[^/]+/\.\./}{/};
		1703	}
		1704
		1705	$path
		1706	}
		1707
		1708	sub new_from_path {
		1709	my (undef, $path, $base) = @_;
		1710
		1711	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1712
		1713	$path = normalise $path, $base;
		1714
		1715	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1716	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1717	my $self = bless cf::map::new, $pkg;
		1718	$self->{path} = $path; $self->path ($path);
		1719	$self->init; # pass $1 etc.
		1720	return $self;
		1721	}
		1722	}
		1723
		1724	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1725	()
		1726	}
		1727
		1728	sub init {
		1729	my ($self) = @_;
		1730
		1731	$self
		1732	}
		1733
		1734	sub as_string {
		1735	my ($self) = @_;
		1736
		1737	"$self->{path}"
		1738	}
		1739
		1740	# the displayed name, this is a one way mapping
		1741	sub visible_name {
		1742	&as_string
		1743	}
		1744
		1745	# the original (read-only) location
		1746	sub load_path {
		1747	my ($self) = @_;
		1748
		1749	"$MAPDIR/$self->{path}.map"
		1750	}
		1751
		1752	# the temporary/swap location
		1753	sub save_path {
		1754	my ($self) = @_;
		1755
		1756	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1757	"$TMPDIR/$path.map"
		1758	}
		1759
		1760	# the unique path, undef == no special unique path
		1761	sub uniq_path {
		1762	my ($self) = @_;
		1763
		1764	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1765	"$UNIQUEDIR/$path"
1283	}	1766	}
1284		1767
1285	# and all this just because we cannot iterate over	1768	# and all this just because we cannot iterate over
1286	# all maps in C++...	1769	# all maps in C++...
1287	sub change_all_map_light {	1770	sub change_all_map_light {
…		…
1289		1772
1290	$_->change_map_light ($change)	1773	$_->change_map_light ($change)
1291	for grep $_->outdoor, values %cf::MAP;	1774	for grep $_->outdoor, values %cf::MAP;
1292	}	1775	}
1293		1776
		1777	sub decay_objects {
		1778	my ($self) = @_;
		1779
		1780	return if $self->{deny_reset};
		1781
		1782	$self->do_decay_objects;
		1783	}
		1784
		1785	sub unlink_save {
		1786	my ($self) = @_;
		1787
		1788	utf8::encode (my $save = $self->save_path);
		1789	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1791	}
		1792
1294	sub load_map_header($) {	1793	sub load_header_from($) {
1295	my ($path) = @_;	1794	my ($self, $path) = @_;
1296		1795
1297	utf8::encode $path;	1796	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1797	my $f = new_from_file cf::object::thawer $path
1299	or return;	1798	or return;
1300		1799
1301	my $map = cf::map::new	1800	$self->_load_header ($f)
1302	or return;	1801	or return;
1303		1802
1304	# for better error messages only, will be overwritten later	1803	local $MAP_LOADING{$self->{path}} = $self;
1305	$map->path ($path);	1804	$f->resolve_delayed_derefs;
1306		1805
1307	$map->load_header ($path)	1806	$self->{load_path} = $path;
		1807
		1808	1
		1809	}
		1810
		1811	sub load_header_orig {
		1812	my ($self) = @_;
		1813
		1814	$self->load_header_from ($self->load_path)
		1815	}
		1816
		1817	sub load_header_temp {
		1818	my ($self) = @_;
		1819
		1820	$self->load_header_from ($self->save_path)
		1821	}
		1822
		1823	sub prepare_temp {
		1824	my ($self) = @_;
		1825
		1826	$self->last_access ((delete $self->{last_access})
		1827	|| $cf::RUNTIME); #d#
		1828	# safety
		1829	$self->{instantiate_time} = $cf::RUNTIME
		1830	if $self->{instantiate_time} > $cf::RUNTIME;
		1831	}
		1832
		1833	sub prepare_orig {
		1834	my ($self) = @_;
		1835
		1836	$self->{load_original} = 1;
		1837	$self->{instantiate_time} = $cf::RUNTIME;
		1838	$self->last_access ($cf::RUNTIME);
		1839	$self->instantiate;
		1840	}
		1841
		1842	sub load_header {
		1843	my ($self) = @_;
		1844
		1845	if ($self->load_header_temp) {
		1846	$self->prepare_temp;
		1847	} else {
		1848	$self->load_header_orig
1308	or return;	1849	or return;
		1850	$self->prepare_orig;
		1851	}
1309		1852
1310	$map->{load_path} = $path;	1853	$self->{deny_reset} = 1
		1854	if $self->no_reset;
1311		1855
1312	$map	1856	$self->default_region (cf::region::find_by_path $self->{path})
		1857	unless $self->default_region;
		1858
		1859	1
1313	}	1860	}
1314		1861
1315	sub find;	1862	sub find;
1316	sub find {	1863	sub find {
1317	my ($path, $origin) = @_;	1864	my ($path, $origin) = @_;
1318		1865
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1866	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1867
		1868	cf::lock_wait "map_data:$path";#d#remove
1324	cf::lock_wait "map_find:$key";	1869	cf::lock_wait "map_find:$path";
1325		1870
1326	$cf::MAP{$key} || do {	1871	$cf::MAP{$path} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1872	my $guard1 = cf::lock_acquire "map_find:$path";
		1873	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1328		1874
1329	# do it the slow way	1875	my $map = new_from_path cf::map $path
1330	my $map = $path->load_temp;
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	1876	or return;
1343		1877
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	1878	$map->{last_save} = $cf::RUNTIME;
1356		1879
1357	Coro::cede;	1880	$map->load_header
		1881	or return;
1358		1882
1359	if ($map->should_reset) {	1883	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1884	# doing this can freeze the server in a sync job, obviously
		1885	#$cf::WAIT_FOR_TICK->wait;
		1886	undef $guard1;
		1887	undef $guard2;
1360	$map->reset;	1888	$map->reset;
1361	undef $guard;
1362	$map = find $path	1889	return find $path;
1363	or return;
1364	}	1890	}
1365		1891
1366	$cf::MAP{$key} = $map	1892	$cf::MAP{$path} = $map
1367	}	1893	}
1368	}	1894	}
		1895
		1896	sub pre_load { }
		1897	sub post_load { }
1369		1898
1370	sub load {	1899	sub load {
1371	my ($self) = @_;	1900	my ($self) = @_;
1372		1901
		1902	local $self->{deny_reset} = 1; # loading can take a long time
		1903
1373	my $path = $self->{path};	1904	my $path = $self->{path};
		1905
		1906	{
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1907	my $guard = cf::lock_acquire "map_data:$path";
1375		1908
		1909	return unless $self->valid;
1376	return if $self->in_memory != cf::MAP_SWAPPED;	1910	return unless $self->in_memory == cf::MAP_SWAPPED;
1377		1911
1378	$self->in_memory (cf::MAP_LOADING);	1912	$self->in_memory (cf::MAP_LOADING);
1379		1913
1380	$self->alloc;	1914	$self->alloc;
1381	$self->load_objects ($self->{load_path}, 1)	1915
		1916	$self->pre_load;
		1917	cf::cede_to_tick;
		1918
		1919	my $f = new_from_file cf::object::thawer $self->{load_path};
		1920	$f->skip_block;
		1921	$self->_load_objects ($f)
1382	or return;	1922	or return;
1383		1923
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1924	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385	if delete $self->{load_original};	1925	if delete $self->{load_original};
1386		1926
1387	if (my $uniq = $path->uniq_path) {	1927	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	1928	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	1929	unless (aio_stat $uniq) {
		1930	if (my $f = new_from_file cf::object::thawer $uniq) {
1390	$self->clear_unique_items;	1931	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	1932	$self->_load_objects ($f);
		1933	$f->resolve_delayed_derefs;
		1934	}
1392	}	1935	}
1393	}	1936	}
1394		1937
1395	Coro::cede;	1938	$f->resolve_delayed_derefs;
1396		1939
		1940	cf::cede_to_tick;
1397	# now do the right thing for maps	1941	# now do the right thing for maps
1398	$self->link_multipart_objects;	1942	$self->link_multipart_objects;
1399
1400	if ($self->{path}->is_style_map) {
1401	$self->{deny_save} = 1;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;
1407	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	1943	$self->difficulty ($self->estimate_difficulty)
1409	unless $self->difficulty;	1944	unless $self->difficulty;
		1945	cf::cede_to_tick;
		1946
		1947	unless ($self->{deny_activate}) {
		1948	$self->decay_objects;
		1949	$self->fix_auto_apply;
		1950	$self->update_buttons;
		1951	cf::cede_to_tick;
		1952	$self->set_darkness_map;
		1953	cf::cede_to_tick;
1410	$self->activate;	1954	$self->activate;
1411	}	1955	}
1412		1956
1413	Coro::cede;	1957	$self->{last_save} = $cf::RUNTIME;
		1958	$self->last_access ($cf::RUNTIME);
1414		1959
1415	$self->in_memory (cf::MAP_IN_MEMORY);	1960	$self->in_memory (cf::MAP_IN_MEMORY);
		1961	}
		1962
		1963	$self->post_load;
		1964	}
		1965
		1966	sub customise_for {
		1967	my ($self, $ob) = @_;
		1968
		1969	return find "~" . $ob->name . "/" . $self->{path}
		1970	if $self->per_player;
		1971
		1972	# return find "?party/" . $ob->name . "/" . $self->{path}
		1973	# if $self->per_party;
		1974
		1975	$self
1416	}	1976	}
1417		1977
1418	# find and load all maps in the 3x3 area around a map	1978	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	1979	sub load_neighbours {
1420	my ($map) = @_;	1980	my ($map) = @_;
1421		1981
1422	my @diag; # diagonal neighbours	1982	my @neigh; # diagonal neighbours
1423		1983
1424	for (0 .. 3) {	1984	for (0 .. 3) {
1425	my $neigh = $map->tile_path ($_)	1985	my $neigh = $map->tile_path ($_)
1426	or next;	1986	or next;
1427	$neigh = find $neigh, $map	1987	$neigh = find $neigh, $map
1428	or next;	1988	or next;
1429	$neigh->load;	1989	$neigh->load;
1430		1990
		1991	push @neigh,
1431	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1992	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1432	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1993	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1433	}	1994	}
1434		1995
1435	for (@diag) {	1996	for (grep defined $_->[0], @neigh) {
		1997	my ($path, $origin) = @$_;
1436	my $neigh = find @$_	1998	my $neigh = find $path, $origin
1437	or next;	1999	or next;
1438	$neigh->load;	2000	$neigh->load;
1439	}	2001	}
1440	}	2002	}
1441		2003
…		…
1446	}	2008	}
1447		2009
1448	sub do_load_sync {	2010	sub do_load_sync {
1449	my ($map) = @_;	2011	my ($map) = @_;
1450		2012
		2013	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2014	if $Coro::current == $Coro::main;
		2015
1451	cf::sync_job { $map->load };	2016	cf::sync_job { $map->load };
1452	}	2017	}
1453		2018
1454	our %MAP_PREFETCH;	2019	our %MAP_PREFETCH;
		2020	our $MAP_PREFETCHER = undef;
		2021
		2022	sub find_async {
		2023	my ($path, $origin, $load) = @_;
		2024
		2025	$path = normalise $path, $origin && $origin->{path};
		2026
		2027	if (my $map = $cf::MAP{$path}) {
		2028	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2029	}
		2030
		2031	$MAP_PREFETCH{$path} |= $load;
		2032
1455	our $MAP_PREFETCHER = Coro::async {	2033	$MAP_PREFETCHER ||= cf::async {
1456	while () {
1457	while (%MAP_PREFETCH) {	2034	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH	2035	while (my ($k, $v) = each %MAP_PREFETCH) {
1459	or next;	2036	if (my $map = find $k) {
		2037	$map->load if $v;
		2038	}
		2039
1460	my $path = delete $MAP_PREFETCH{$key};	2040	delete $MAP_PREFETCH{$k};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}	2041	}
1466	Coro::schedule;	2042	}
		2043	undef $MAP_PREFETCHER;
1467	}	2044	};
1468	};
1469
1470	sub find_async {
1471	my ($path, $origin) = @_;
1472
1473	$path = new cf::path $path, $origin && $origin->path;
1474	my $key = $path->as_string;
1475
1476	if (my $map = $cf::MAP{$key}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}
1479
1480	$MAP_PREFETCH{$key} = $path;
1481	$MAP_PREFETCHER->ready;	2045	$MAP_PREFETCHER->prio (6);
1482		2046
1483	()	2047	()
1484	}	2048	}
1485		2049
1486	sub save {	2050	sub save {
1487	my ($self) = @_;	2051	my ($self) = @_;
1488		2052
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2054
1491	$self->{last_save} = $cf::RUNTIME;	2055	$self->{last_save} = $cf::RUNTIME;
1492		2056
1493	return unless $self->dirty;	2057	return unless $self->dirty;
1494		2058
1495	my $save = $self->{path}->save_path; utf8::encode $save;	2059	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2060	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		2061
1498	$self->{load_path} = $save;	2062	$self->{load_path} = $save;
1499		2063
1500	return if $self->{deny_save};	2064	return if $self->{deny_save};
1501		2065
…		…
1504	cf::async {	2068	cf::async {
1505	$_->contr->save for $self->players;	2069	$_->contr->save for $self->players;
1506	};	2070	};
1507		2071
1508	if ($uniq) {	2072	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2073	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	2074	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	2075	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2076	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	2077	}
1514	}	2078	}
1515		2079
1516	sub swap_out {	2080	sub swap_out {
1517	my ($self) = @_;	2081	my ($self) = @_;
1518		2082
1519	# save first because save cedes	2083	# save first because save cedes
1520	$self->save;	2084	$self->save;
1521		2085
1522	my $lock = cf::lock_acquire "map_data:" . $self->path;	2086	my $lock = cf::lock_acquire "map_data:$self->{path}";
1523		2087
1524	return if $self->players;	2088	return if $self->players;
1525	return if $self->in_memory != cf::MAP_IN_MEMORY;	2089	return if $self->in_memory != cf::MAP_IN_MEMORY;
1526	return if $self->{deny_save};	2090	return if $self->{deny_save};
1527		2091
		2092	$self->in_memory (cf::MAP_SWAPPED);
		2093
		2094	$self->deactivate;
		2095	$_->clear_links_to ($self) for values %cf::MAP;
1528	$self->clear;	2096	$self->clear;
1529	$self->in_memory (cf::MAP_SWAPPED);
1530	}	2097	}
1531		2098
1532	sub reset_at {	2099	sub reset_at {
1533	my ($self) = @_;	2100	my ($self) = @_;
1534		2101
1535	# TODO: safety, remove and allow resettable per-player maps	2102	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};
1537	return 1e99 if $self->{deny_reset};	2103	return 1e99 if $self->{deny_reset};
1538		2104
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2105	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2106	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		2107
…		…
1546	my ($self) = @_;	2112	my ($self) = @_;
1547		2113
1548	$self->reset_at <= $cf::RUNTIME	2114	$self->reset_at <= $cf::RUNTIME
1549	}	2115	}
1550		2116
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	2117	sub reset {
1573	my ($self) = @_;	2118	my ($self) = @_;
1574		2119
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2120	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2121
1577	return if $self->players;	2122	return if $self->players;
1578	return if $self->{path}{user_rel};#d#
1579		2123
1580	warn "resetting map ", $self->path;#d#	2124	warn "resetting map ", $self->path;
		2125
		2126	$self->in_memory (cf::MAP_SWAPPED);
		2127
		2128	# need to save uniques path
		2129	unless ($self->{deny_save}) {
		2130	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2131
		2132	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2133	if $uniq;
		2134	}
1581		2135
1582	delete $cf::MAP{$self->path};	2136	delete $cf::MAP{$self->path};
1583		2137
		2138	$self->deactivate;
1584	$_->clear_links_to ($self) for values %cf::MAP;	2139	$_->clear_links_to ($self) for values %cf::MAP;
		2140	$self->clear;
1585		2141
1586	$self->unlink_save;	2142	$self->unlink_save;
1587	$self->destroy;	2143	$self->destroy;
1588	}	2144	}
1589		2145
1590	my $nuke_counter = "aaaa";	2146	my $nuke_counter = "aaaa";
1591		2147
1592	sub nuke {	2148	sub nuke {
1593	my ($self) = @_;	2149	my ($self) = @_;
1594		2150
		2151	{
		2152	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2153
		2154	delete $cf::MAP{$self->path};
		2155
		2156	$self->unlink_save;
		2157
		2158	bless $self, "cf::map";
		2159	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	2160	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	2161	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	2162	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2163
		2164	$cf::MAP{$self->path} = $self;
		2165	}
		2166
1598	$self->reset; # polite request, might not happen	2167	$self->reset; # polite request, might not happen
1599	}	2168	}
1600		2169
1601	sub customise_for {	2170	=item $maps = cf::map::tmp_maps
1602	my ($map, $ob) = @_;
1603		2171
1604	if ($map->per_player) {	2172	Returns an arrayref with all map paths of currently instantiated and saved
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2173	maps. May block.
		2174
		2175	=cut
		2176
		2177	sub tmp_maps() {
1606	}	2178	[
		2179	map {
		2180	utf8::decode $_;
		2181	/\.map$/
		2182	? normalise $_
		2183	: ()
		2184	} @{ aio_readdir $TMPDIR or [] }
		2185	]
		2186	}
1607		2187
1608	$map	2188	=item $maps = cf::map::random_maps
		2189
		2190	Returns an arrayref with all map paths of currently instantiated and saved
		2191	random maps. May block.
		2192
		2193	=cut
		2194
		2195	sub random_maps() {
		2196	[
		2197	map {
		2198	utf8::decode $_;
		2199	/\.map$/
		2200	? normalise "?random/$_"
		2201	: ()
		2202	} @{ aio_readdir $RANDOMDIR or [] }
		2203	]
1609	}	2204	}
1610		2205
1611	=item cf::map::unique_maps	2206	=item cf::map::unique_maps
1612		2207
1613	Returns an arrayref of cf::path's of all shared maps that have	2208	Returns an arrayref of paths of all shared maps that have
1614	instantiated unique items. May block.	2209	instantiated unique items. May block.
1615		2210
1616	=cut	2211	=cut
1617		2212
1618	sub unique_maps() {	2213	sub unique_maps() {
1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2214	[
1620	or return;	2215	map {
1621
1622	my @paths;
1623
1624	for (@$files) {
1625	utf8::decode $_;	2216	utf8::decode $_;
1626	next if /\.pst$/;	2217	/\.map$/
1627	next unless /^$PATH_SEP/o;	2218	? normalise $_
1628		2219	: ()
1629	push @paths, new cf::path $_;	2220	} @{ aio_readdir $UNIQUEDIR or [] }
1630	}	2221	]
1631
1632	\@paths
1633	}	2222	}
1634		2223
1635	package cf;	2224	package cf;
1636		2225
1637	=back	2226	=back
…		…
1655	map { $_, inv_recursive_ $_->inv } @_	2244	map { $_, inv_recursive_ $_->inv } @_
1656	}	2245	}
1657		2246
1658	sub inv_recursive {	2247	sub inv_recursive {
1659	inv_recursive_ inv $_[0]	2248	inv_recursive_ inv $_[0]
		2249	}
		2250
		2251	=item $ref = $ob->ref
		2252
		2253	creates and returns a persistent reference to an objetc that can be stored as a string.
		2254
		2255	=item $ob = cf::object::deref ($refstring)
		2256
		2257	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2258	even if the object actually exists. May block.
		2259
		2260	=cut
		2261
		2262	sub deref {
		2263	my ($ref) = @_;
		2264
		2265	# temporary compatibility#TODO#remove
		2266	$ref =~ s{^<}{player/<};
		2267
		2268	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2269	my ($uuid, $name) = ($1, $2);
		2270	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2271	or return;
		2272	$pl->ob->uuid eq $uuid
		2273	or return;
		2274
		2275	$pl->ob
		2276	} else {
		2277	warn "$ref: cannot resolve object reference\n";
		2278	undef
		2279	}
1660	}	2280	}
1661		2281
1662	package cf;	2282	package cf;
1663		2283
1664	=back	2284	=back
…		…
1683		2303
1684	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2304	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1685		2305
1686	if ($self->{record_replies}) {	2306	if ($self->{record_replies}) {
1687	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2307	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2308
1688	} else {	2309	} else {
		2310	my $pl = $self->contr;
		2311
		2312	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2313	my $dialog = $pl->{npc_dialog};
		2314	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2315
		2316	} else {
1689	$msg = $npc->name . " says: $msg" if $npc;	2317	$msg = $npc->name . " says: $msg" if $npc;
1690	$self->message ($msg, $flags);	2318	$self->message ($msg, $flags);
		2319	}
1691	}	2320	}
		2321	}
		2322
		2323	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2324
		2325	=cut
		2326
		2327	sub cf::object::send_msg {
		2328	my $pl = shift->contr
		2329	or return;
		2330	$pl->send_msg (@_);
1692	}	2331	}
1693		2332
1694	=item $player_object->may ("access")	2333	=item $player_object->may ("access")
1695		2334
1696	Returns wether the given player is authorized to access resource "access"	2335	Returns wether the given player is authorized to access resource "access"
…		…
1709		2348
1710	=item $player_object->enter_link	2349	=item $player_object->enter_link
1711		2350
1712	Freezes the player and moves him/her to a special map (C<{link}>).	2351	Freezes the player and moves him/her to a special map (C<{link}>).
1713		2352
1714	The player should be reaosnably safe there for short amounts of time. You	2353	The player should be reasonably safe there for short amounts of time. You
1715	I<MUST> call C<leave_link> as soon as possible, though.	2354	I<MUST> call C<leave_link> as soon as possible, though.
1716		2355
		2356	Will never block.
		2357
1717	=item $player_object->leave_link ($map, $x, $y)	2358	=item $player_object->leave_link ($map, $x, $y)
1718		2359
1719	Moves the player out of the specila link map onto the given map. If the	2360	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	2361	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	2362	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	2363	fails, to the emergency map position.
1723		2364
1724	Might block.	2365	Might block.
1725		2366
1726	=cut	2367	=cut
		2368
		2369	sub link_map {
		2370	unless ($LINK_MAP) {
		2371	$LINK_MAP = cf::map::find "{link}"
		2372	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2373	$LINK_MAP->load;
		2374	}
		2375
		2376	$LINK_MAP
		2377	}
1727		2378
1728	sub cf::object::player::enter_link {	2379	sub cf::object::player::enter_link {
1729	my ($self) = @_;	2380	my ($self) = @_;
1730		2381
1731	$self->deactivate_recursive;	2382	$self->deactivate_recursive;
1732		2383
1733	return if $self->map == $LINK_MAP;	2384	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		2385
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2386	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	2387	if $self->map && $self->map->{path} ne "{link}";
1737		2388
1738	$self->enter_map ($LINK_MAP, 20, 20);	2389	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	2390	}
1740		2391
1741	sub cf::object::player::leave_link {	2392	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	2393	my ($self, $map, $x, $y) = @_;
		2394
		2395	return unless $self->contr->active;
1743		2396
1744	my $link_pos = delete $self->{_link_pos};	2397	my $link_pos = delete $self->{_link_pos};
1745		2398
1746	unless ($map) {	2399	unless ($map) {
1747	# restore original map position	2400	# restore original map position
…		…
1761	# use -1 or undef as default coordinates, not 0, 0	2414	# use -1 or undef as default coordinates, not 0, 0
1762	($x, $y) = ($map->enter_x, $map->enter_y)	2415	($x, $y) = ($map->enter_x, $map->enter_y)
1763	if $x <=0 && $y <= 0;	2416	if $x <=0 && $y <= 0;
1764		2417
1765	$map->load;	2418	$map->load;
1766	$map->load_diag;	2419	$map->load_neighbours;
1767		2420
1768	return unless $self->contr->active;	2421	return unless $self->contr->active;
1769	$self->activate_recursive;	2422	$self->activate_recursive;
		2423
		2424	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	2425	$self->enter_map ($map, $x, $y);
1771	}	2426	}
1772		2427
1773	cf::player->attach (	2428	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1774	on_logout => sub {
1775	my ($pl) = @_;
1776		2429
1777	# abort map switching before logout	2430	Moves the player to the given map-path and coordinates by first freezing
1778	if ($pl->ob->{_link_pos}) {	2431	her, loading and preparing them map, calling the provided $check callback
1779	cf::sync_job {	2432	that has to return the map if sucecssful, and then unfreezes the player on
1780	$pl->ob->leave_link	2433	the new (success) or old (failed) map position. In either case, $done will
1781	};	2434	be called at the end of this process.
1782	}
1783	},
1784	on_login => sub {
1785	my ($pl) = @_;
1786		2435
1787	# try to abort aborted map switching on player login :)
1788	# should happen only on crashes
1789	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;
1791	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "
1796	. "the server will try to bring you to your intended destination in a second.",
1797	cf::NDI_RED);
1798	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;
1800	})->prio (2);
1801	}
1802	},
1803	);
1804
1805	=item $player_object->goto ($path, $x, $y)
1806
1807	=cut	2436	=cut
		2437
		2438	our $GOTOGEN;
1808		2439
1809	sub cf::object::player::goto {	2440	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	2441	my ($self, $path, $x, $y, $check, $done) = @_;
1811		2442
1812	$path = new cf::path $path;	2443	# do generation counting so two concurrent goto's will be executed in-order
		2444	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1813		2445
1814	$self->enter_link;	2446	$self->enter_link;
1815		2447
1816	(async {	2448	(async {
		2449	my $map = eval {
1817	my $map = cf::map::find $path->as_string;	2450	my $map = cf::map::find $path;
		2451
		2452	if ($map) {
1818	$map = $map->customise_for ($self) if $map;	2453	$map = $map->customise_for ($self);
1819		2454	$map = $check->($map) if $check && $map;
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	2455	} else {
1821	# if $map;
1822
1823	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2456	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2457	}
1824		2458
		2459	$map
		2460	};
		2461
		2462	if ($@) {
		2463	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2464	LOG llevError | logBacktrace, Carp::longmess $@;
		2465	}
		2466
		2467	if ($gen == $self->{_goto_generation}) {
		2468	delete $self->{_goto_generation};
1825	$self->leave_link ($map, $x, $y);	2469	$self->leave_link ($map, $x, $y);
		2470	}
		2471
		2472	$done->() if $done;
1826	})->prio (1);	2473	})->prio (1);
1827	}	2474	}
1828		2475
1829	=item $player_object->enter_exit ($exit_object)	2476	=item $player_object->enter_exit ($exit_object)
1830		2477
…		…
1832		2479
1833	sub parse_random_map_params {	2480	sub parse_random_map_params {
1834	my ($spec) = @_;	2481	my ($spec) = @_;
1835		2482
1836	my $rmp = { # defaults	2483	my $rmp = { # defaults
1837	xsize => 10,	2484	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	2485	ysize => (cf::rndm 15, 40),
		2486	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2487	#layout => string,
1839	};	2488	};
1840		2489
1841	for (split /\n/, $spec) {	2490	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	2491	my ($k, $v) = split /\s+/, $_, 2;
1843		2492
…		…
1847	$rmp	2496	$rmp
1848	}	2497	}
1849		2498
1850	sub prepare_random_map {	2499	sub prepare_random_map {
1851	my ($exit) = @_;	2500	my ($exit) = @_;
		2501
		2502	my $guard = cf::lock_acquire "exit_prepare:$exit";
1852		2503
1853	# all this does is basically replace the /! path by	2504	# all this does is basically replace the /! path by
1854	# a new random map path (?random/...) with a seed	2505	# a new random map path (?random/...) with a seed
1855	# that depends on the exit object	2506	# that depends on the exit object
1856		2507
1857	my $rmp = parse_random_map_params $exit->msg;	2508	my $rmp = parse_random_map_params $exit->msg;
1858		2509
1859	if ($exit->map) {	2510	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	2511	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	2512	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	2513	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	2514	$rmp->{origin_y} = $exit->y;
1864	}	2515	}
1865		2516
1866	$rmp->{random_seed} ||= $exit->random_seed;	2517	$rmp->{random_seed} ||= $exit->random_seed;
1867		2518
1868	my $data = cf::to_json $rmp;	2519	my $data = cf::to_json $rmp;
1869	my $md5 = Digest::MD5::md5_hex $data;	2520	my $md5 = Digest::MD5::md5_hex $data;
		2521	my $meta = "$RANDOMDIR/$md5.meta";
1870		2522
1871	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2523	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1872	aio_write $fh, 0, (length $data), $data, 0;	2524	aio_write $fh, 0, (length $data), $data, 0;
		2525	undef $fh;
		2526	aio_rename "$meta~", $meta;
1873		2527
1874	$exit->slaying ("?random/$md5");	2528	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	2529	$exit->msg (undef);
1876	}	2530	}
1877	}	2531	}
…		…
1879	sub cf::object::player::enter_exit {	2533	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	2534	my ($self, $exit) = @_;
1881		2535
1882	return unless $self->type == cf::PLAYER;	2536	return unless $self->type == cf::PLAYER;
1883		2537
		2538	if ($exit->slaying eq "/!") {
		2539	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2540	# the problem is that $exit might not survive long enough
		2541	# so it needs to be done right now, right here
		2542	cf::sync_job { prepare_random_map $exit };
		2543	}
		2544
		2545	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2546	my $hp = $exit->stats->hp;
		2547	my $sp = $exit->stats->sp;
		2548
1884	$self->enter_link;	2549	$self->enter_link;
		2550
		2551	# if exit is damned, update players death & WoR home-position
		2552	$self->contr->savebed ($slaying, $hp, $sp)
		2553	if $exit->flag (FLAG_DAMNED);
1885		2554
1886	(async {	2555	(async {
1887	$self->deactivate_recursive; # just to be sure	2556	$self->deactivate_recursive; # just to be sure
1888	unless (eval {	2557	unless (eval {
1889	prepare_random_map $exit	2558	$self->goto ($slaying, $hp, $sp);
1890	if $exit->slaying eq "/!";
1891
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1894		2559
1895	1;	2560	1;
1896	}) {	2561	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	2562	$self->message ("Something went wrong deep within the crossfire server. "
1898	. "I'll try to bring you back to the map you were before. "	2563	. "I'll try to bring you back to the map you were before. "
1899	. "Please report this to the dungeon master!",	2564	. "Please report this to the dungeon master!",
1900	cf::NDI_UNIQUE | cf::NDI_RED);	2565	cf::NDI_UNIQUE | cf::NDI_RED);
1901		2566
1902	warn "ERROR in enter_exit: $@";	2567	warn "ERROR in enter_exit: $@";
1903	$self->leave_link;	2568	$self->leave_link;
1904	}	2569	}
1905	})->prio (1);	2570	})->prio (1);
…		…
1918		2583
1919	sub cf::client::send_drawinfo {	2584	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2585	my ($self, $text, $flags) = @_;
1921		2586
1922	utf8::encode $text;	2587	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2588	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2589	}
1925		2590
		2591	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2592
		2593	Send a drawinfo or msg packet to the client, formatting the msg for the
		2594	client if neccessary. C<$type> should be a string identifying the type of
		2595	the message, with C<log> being the default. If C<$color> is negative, suppress
		2596	the message unless the client supports the msg packet.
		2597
		2598	=cut
		2599
		2600	our %CHANNEL = (
		2601	"c/identify" => {
		2602	id => "identify",
		2603	title => "Identify",
		2604	reply => undef,
		2605	tooltip => "Items recently identified",
		2606	},
		2607	"c/examine" => {
		2608	id => "examine",
		2609	title => "Examine",
		2610	reply => undef,
		2611	tooltip => "Signs and other items you examined",
		2612	},
		2613	);
		2614
		2615	sub cf::client::send_msg {
		2616	my ($self, $channel, $msg, $color, @extra) = @_;
		2617
		2618	$msg = $self->pl->expand_cfpod ($msg);
		2619
		2620	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2621
		2622	# check predefined channels, for the benefit of C
		2623	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2624
		2625	if (ref $channel) {
		2626	# send meta info to client, if not yet sent
		2627	unless (exists $self->{channel}{$channel->{id}}) {
		2628	$self->{channel}{$channel->{id}} = $channel;
		2629	$self->ext_msg (channel_info => $channel)
		2630	if $self->can_msg;
		2631	}
		2632
		2633	$channel = $channel->{id};
		2634	}
		2635
		2636	return unless @extra || length $msg;
		2637
		2638	if ($self->can_msg) {
		2639	# default colour, mask it out
		2640	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2641	if $color & cf::NDI_DEF;
		2642
		2643	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2644	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2645	} else {
		2646	if ($color >= 0) {
		2647	# replace some tags by gcfclient-compatible ones
		2648	for ($msg) {
		2649	1 while
		2650	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2651	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2652	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2653	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2654	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2655	}
		2656
		2657	$color &= cf::NDI_COLOR_MASK;
		2658
		2659	utf8::encode $msg;
		2660
		2661	if (0 && $msg =~ /\[/) {
		2662	# COMMAND/INFO
		2663	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2664	} else {
		2665	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2666	$self->send_packet ("drawinfo $color $msg")
		2667	}
		2668	}
		2669	}
		2670	}
		2671
		2672	=item $client->ext_msg ($type, @msg)
		2673
		2674	Sends an ext event to the client.
		2675
		2676	=cut
		2677
		2678	sub cf::client::ext_msg($$@) {
		2679	my ($self, $type, @msg) = @_;
		2680
		2681	if ($self->extcmd == 2) {
		2682	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2683	} elsif ($self->extcmd == 1) { # TODO: remove
		2684	push @msg, msgtype => "event_$type";
		2685	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2686	}
		2687	}
		2688
		2689	=item $client->ext_reply ($msgid, @msg)
		2690
		2691	Sends an ext reply to the client.
		2692
		2693	=cut
		2694
		2695	sub cf::client::ext_reply($$@) {
		2696	my ($self, $id, @msg) = @_;
		2697
		2698	if ($self->extcmd == 2) {
		2699	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2700	} elsif ($self->extcmd == 1) {
		2701	#TODO: version 1, remove
		2702	unshift @msg, msgtype => "reply", msgid => $id;
		2703	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2704	}
		2705	}
1926		2706
1927	=item $success = $client->query ($flags, "text", \&cb)	2707	=item $success = $client->query ($flags, "text", \&cb)
1928		2708
1929	Queues a query to the client, calling the given callback with	2709	Queues a query to the client, calling the given callback with
1930	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2710	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1931	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2711	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1932		2712
1933	Queries can fail, so check the return code. Or don't, as queries will become	2713	Queries can fail, so check the return code. Or don't, as queries will
1934	reliable at some point in the future.	2714	become reliable at some point in the future.
1935		2715
1936	=cut	2716	=cut
1937		2717
1938	sub cf::client::query {	2718	sub cf::client::query {
1939	my ($self, $flags, $text, $cb) = @_;	2719	my ($self, $flags, $text, $cb) = @_;
…		…
1947	utf8::encode $text;	2727	utf8::encode $text;
1948	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2728	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1949		2729
1950	$self->send_packet ($self->{query_queue}[0][0])	2730	$self->send_packet ($self->{query_queue}[0][0])
1951	if @{ $self->{query_queue} } == 1;	2731	if @{ $self->{query_queue} } == 1;
		2732
		2733	1
1952	}	2734	}
1953		2735
1954	cf::client->attach (	2736	cf::client->attach (
		2737	on_connect => sub {
		2738	my ($ns) = @_;
		2739
		2740	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2741	},
1955	on_reply => sub {	2742	on_reply => sub {
1956	my ($ns, $msg) = @_;	2743	my ($ns, $msg) = @_;
1957		2744
1958	# this weird shuffling is so that direct followup queries	2745	# this weird shuffling is so that direct followup queries
1959	# get handled first	2746	# get handled first
1960	my $queue = delete $ns->{query_queue}	2747	my $queue = delete $ns->{query_queue}
1961	or return; # be conservative, not sure how that can happen, but we saw a crash here	2748	or return; # be conservative, not sure how that can happen, but we saw a crash here
1962		2749
1963	(shift @$queue)->[1]->($msg);	2750	(shift @$queue)->[1]->($msg);
		2751	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2752
1965	push @{ $ns->{query_queue} }, @$queue;	2753	push @{ $ns->{query_queue} }, @$queue;
1966		2754
1967	if (@{ $ns->{query_queue} } == @$queue) {	2755	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	2756	if (@$queue) {
…		…
1970	} else {	2758	} else {
1971	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2759	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1972	}	2760	}
1973	}	2761	}
1974	},	2762	},
		2763	on_exticmd => sub {
		2764	my ($ns, $buf) = @_;
		2765
		2766	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2767
		2768	if (ref $msg) {
		2769	my ($type, $reply, @payload) =
		2770	"ARRAY" eq ref $msg
		2771	? @$msg
		2772	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2773
		2774	my @reply;
		2775
		2776	if (my $cb = $EXTICMD{$type}) {
		2777	@reply = $cb->($ns, @payload);
		2778	}
		2779
		2780	$ns->ext_reply ($reply, @reply)
		2781	if $reply;
		2782
		2783	} else {
		2784	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2785	}
		2786
		2787	cf::override;
		2788	},
1975	);	2789	);
1976		2790
1977	=item $client->async (\&cb)	2791	=item $client->async (\&cb)
1978		2792
1979	Create a new coroutine, running the specified callback. The coroutine will	2793	Create a new coroutine, running the specified callback. The coroutine will
…		…
2020	our $safe = new Safe "safe";	2834	our $safe = new Safe "safe";
2021	our $safe_hole = new Safe::Hole;	2835	our $safe_hole = new Safe::Hole;
2022		2836
2023	$SIG{FPE} = 'IGNORE';	2837	$SIG{FPE} = 'IGNORE';
2024		2838
2025	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2839	$safe->permit_only (Opcode::opset qw(
		2840	:base_core :base_mem :base_orig :base_math
		2841	grepstart grepwhile mapstart mapwhile
		2842	sort time
		2843	));
2026		2844
2027	# here we export the classes and methods available to script code	2845	# here we export the classes and methods available to script code
2028		2846
2029	=pod	2847	=pod
2030		2848
2031	The following fucntions and emthods are available within a safe environment:	2849	The following functions and methods are available within a safe environment:
2032		2850
2033	cf::object contr pay_amount pay_player map	2851	cf::object
		2852	contr pay_amount pay_player map x y force_find force_add
		2853	insert remove name archname title slaying race decrease_ob_nr
		2854
2034	cf::object::player player	2855	cf::object::player
2035	cf::player peaceful	2856	player
2036	cf::map trigger	2857
		2858	cf::player
		2859	peaceful
		2860
		2861	cf::map
		2862	trigger
2037		2863
2038	=cut	2864	=cut
2039		2865
2040	for (	2866	for (
2041	["cf::object" => qw(contr pay_amount pay_player map)],	2867	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2868	insert remove inv name archname title slaying race
		2869	decrease_ob_nr)],
2042	["cf::object::player" => qw(player)],	2870	["cf::object::player" => qw(player)],
2043	["cf::player" => qw(peaceful)],	2871	["cf::player" => qw(peaceful)],
2044	["cf::map" => qw(trigger)],	2872	["cf::map" => qw(trigger)],
2045	) {	2873	) {
2046	no strict 'refs';	2874	no strict 'refs';
…		…
2117	=back	2945	=back
2118		2946
2119	=cut	2947	=cut
2120		2948
2121	#############################################################################	2949	#############################################################################
		2950	# the server's init and main functions
2122		2951
2123	=head2 EXTENSION DATABASE SUPPORT	2952	sub load_facedata($) {
		2953	my ($path) = @_;
2124		2954
2125	Crossfire maintains a very simple database for extension use. It can	2955	# HACK to clear player env face cache, we need some signal framework
2126	currently store anything that can be serialised using Storable, which	2956	# for this (global event?)
2127	excludes objects.	2957	%ext::player_env::MUSIC_FACE_CACHE = ();
2128		2958
2129	The parameter C<$family> should best start with the name of the extension	2959	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2130	using it, it should be unique.
2131		2960
2132	=over 4	2961	warn "loading facedata from $path\n";
2133		2962
2134	=item $hashref = cf::db_get $family	2963	my $facedata;
		2964	0 < aio_load $path, $facedata
		2965	or die "$path: $!";
2135		2966
2136	Return a hashref for use by the extension C<$family>, which can be	2967	$facedata = Coro::Storable::thaw $facedata;
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139		2968
2140	=item $value = cf::db_get $family => $key	2969	$facedata->{version} == 2
		2970	or cf::cleanup "$path: version mismatch, cannot proceed.";
2141		2971
2142	Returns a single value from the database	2972	# patch in the exptable
2143		2973	$facedata->{resource}{"res/exp_table"} = {
2144	=item cf::db_put $family => $hashref	2974	type => FT_RSRC,
2145		2975	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2146	Stores the given family hashref into the database. Updates are delayed, if
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148
2149	=item cf::db_put $family => $key => $value
2150
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161
2162	=cut
2163
2164	our $DB;
2165
2166	{
2167	my $path = cf::localdir . "/database.pst";
2168
2169	sub db_load() {
2170	$DB = stat $path ? Storable::retrieve $path : { };
2171	}
2172
2173	my $pid;
2174
2175	sub db_save() {
2176	waitpid $pid, 0 if $pid;
2177	if (0 == ($pid = fork)) {
2178	$DB->{_meta}{version} = 1;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}
2183	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});	2976	};
		2977	cf::cede_to_tick;
2195		2978
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}	2979	{
		2980	my $faces = $facedata->{faceinfo};
2200		2981
2201	sub db_get($;$) {	2982	while (my ($face, $info) = each %$faces) {
2202	@_ >= 2	2983	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2203	? $DB->{$_[0]}{$_[1]}	2984	cf::face::set_visibility $idx, $info->{visibility};
2204	: ($DB->{$_[0]} ||= { })	2985	cf::face::set_magicmap $idx, $info->{magicmap};
2205	}	2986	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2987	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2206		2988
2207	sub db_put($$;$) {	2989	cf::cede_to_tick;
2208	if (@_ >= 3) {
2209	$DB->{$_[0]}{$_[1]} = $_[2];
2210	} else {
2211	$DB->{$_[0]} = $_[1];
2212	}
2213	db_dirty;
2214	}
2215
2216	cf::global->attach (
2217	prio => 10000,
2218	on_cleanup => sub {
2219	db_sync;
2220	},	2990	}
2221	);
2222	}
2223		2991
2224	#############################################################################	2992	while (my ($face, $info) = each %$faces) {
2225	# the server's main()	2993	next unless $info->{smooth};
		2994	my $idx = cf::face::find $face
		2995	or next;
		2996	if (my $smooth = cf::face::find $info->{smooth}) {
		2997	cf::face::set_smooth $idx, $smooth;
		2998	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2999	} else {
		3000	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3001	}
2226		3002
2227	sub cfg_load {	3003	cf::cede_to_tick;
		3004	}
		3005	}
		3006
		3007	{
		3008	my $anims = $facedata->{animinfo};
		3009
		3010	while (my ($anim, $info) = each %$anims) {
		3011	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3012	cf::cede_to_tick;
		3013	}
		3014
		3015	cf::anim::invalidate_all; # d'oh
		3016	}
		3017
		3018	{
		3019	# TODO: for gcfclient pleasure, we should give resources
		3020	# that gcfclient doesn't grok a >10000 face index.
		3021	my $res = $facedata->{resource};
		3022
		3023	my $soundconf = delete $res->{"res/sound.conf"};
		3024
		3025	while (my ($name, $info) = each %$res) {
		3026	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3027	my $data;
		3028
		3029	if ($info->{type} & 1) {
		3030	# prepend meta info
		3031
		3032	my $meta = $enc->encode ({
		3033	name => $name,
		3034	%{ $info->{meta} || {} },
		3035	});
		3036
		3037	$data = pack "(w/a*)*", $meta, $info->{data};
		3038	} else {
		3039	$data = $info->{data};
		3040	}
		3041
		3042	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3043	cf::face::set_type $idx, $info->{type};
		3044
		3045	cf::cede_to_tick;
		3046	}
		3047
		3048	if ($soundconf) {
		3049	$soundconf = $enc->decode (delete $soundconf->{data});
		3050
		3051	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3052	my $sound = $soundconf->{compat}[$_]
		3053	or next;
		3054
		3055	my $face = cf::face::find "sound/$sound->[1]";
		3056	cf::sound::set $sound->[0] => $face;
		3057	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3058	}
		3059
		3060	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3061	my $face = cf::face::find "sound/$v";
		3062	cf::sound::set $k => $face;
		3063	}
		3064	}
		3065	}
		3066
		3067	1
		3068	}
		3069
		3070	register_exticmd fx_want => sub {
		3071	my ($ns, $want) = @_;
		3072
		3073	while (my ($k, $v) = each %$want) {
		3074	$ns->fx_want ($k, $v);
		3075	}
		3076	};
		3077
		3078	sub reload_regions {
		3079	# HACK to clear player env face cache, we need some signal framework
		3080	# for this (global event?)
		3081	%ext::player_env::MUSIC_FACE_CACHE = ();
		3082
		3083	load_resource_file "$MAPDIR/regions"
		3084	or die "unable to load regions file\n";
		3085
		3086	for (cf::region::list) {
		3087	$_->{match} = qr/$_->{match}/
		3088	if exists $_->{match};
		3089	}
		3090	}
		3091
		3092	sub reload_facedata {
		3093	load_facedata "$DATADIR/facedata"
		3094	or die "unable to load facedata\n";
		3095	}
		3096
		3097	sub reload_archetypes {
		3098	load_resource_file "$DATADIR/archetypes"
		3099	or die "unable to load archetypes\n";
		3100	#d# NEED to laod twice to resolve forward references
		3101	# this really needs to be done in an extra post-pass
		3102	# (which needs to be synchronous, so solve it differently)
		3103	load_resource_file "$DATADIR/archetypes"
		3104	or die "unable to load archetypes\n";
		3105	}
		3106
		3107	sub reload_treasures {
		3108	load_resource_file "$DATADIR/treasures"
		3109	or die "unable to load treasurelists\n";
		3110	}
		3111
		3112	sub reload_resources {
		3113	warn "reloading resource files...\n";
		3114
		3115	reload_regions;
		3116	reload_facedata;
		3117	#reload_archetypes;#d#
		3118	reload_archetypes;
		3119	reload_treasures;
		3120
		3121	warn "finished reloading resource files\n";
		3122	}
		3123
		3124	sub init {
		3125	reload_resources;
		3126	}
		3127
		3128	sub reload_config {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	3129	open my $fh, "<:utf8", "$CONFDIR/config"
2229	or return;	3130	or return;
2230		3131
2231	local $/;	3132	local $/;
2232	*CFG = YAML::Syck::Load <$fh>;	3133	*CFG = YAML::Syck::Load <$fh>;
2233		3134
…		…
2247		3148
2248	sub main {	3149	sub main {
2249	# we must not ever block the main coroutine	3150	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	3151	local $Coro::idle = sub {
2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3152	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3153	(async {
2252	async { Event::one_event };	3154	Event::one_event;
		3155	})->prio (Coro::PRIO_MAX);
2253	};	3156	};
2254		3157
2255	cfg_load;	3158	reload_config;
2256	db_load;	3159	db_init;
2257	load_extensions;	3160	load_extensions;
		3161
		3162	$TICK_WATCHER->start;
2258	Event::loop;	3163	Event::loop;
2259	}	3164	}
2260		3165
2261	#############################################################################	3166	#############################################################################
2262	# initialisation and cleanup	3167	# initialisation and cleanup
2263		3168
2264	# install some emergency cleanup handlers	3169	# install some emergency cleanup handlers
2265	BEGIN {	3170	BEGIN {
2266	for my $signal (qw(INT HUP TERM)) {	3171	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	3172	Event->signal (
		3173	reentrant => 0,
2268	data => WF_AUTOCANCEL,	3174	data => WF_AUTOCANCEL,
2269	signal => $signal,	3175	signal => $signal,
		3176	prio => 0,
2270	cb => sub {	3177	cb => sub {
2271	cf::cleanup "SIG$signal";	3178	cf::cleanup "SIG$signal";
2272	},	3179	},
2273	);	3180	);
2274	}	3181	}
2275	}	3182	}
2276		3183
		3184	sub write_runtime {
		3185	my $runtime = "$LOCALDIR/runtime";
		3186
		3187	# first touch the runtime file to show we are still running:
		3188	# the fsync below can take a very very long time.
		3189
		3190	IO::AIO::aio_utime $runtime, undef, undef;
		3191
		3192	my $guard = cf::lock_acquire "write_runtime";
		3193
		3194	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3195	or return;
		3196
		3197	my $value = $cf::RUNTIME + 90 + 10;
		3198	# 10 is the runtime save interval, for a monotonic clock
		3199	# 60 allows for the watchdog to kill the server.
		3200
		3201	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3202	and return;
		3203
		3204	# always fsync - this file is important
		3205	aio_fsync $fh
		3206	and return;
		3207
		3208	# touch it again to show we are up-to-date
		3209	aio_utime $fh, undef, undef;
		3210
		3211	close $fh
		3212	or return;
		3213
		3214	aio_rename "$runtime~", $runtime
		3215	and return;
		3216
		3217	warn "runtime file written.\n";
		3218
		3219	1
		3220	}
		3221
2277	sub emergency_save() {	3222	sub emergency_save() {
2278	my $freeze_guard = cf::freeze_mainloop;	3223	my $freeze_guard = cf::freeze_mainloop;
2279		3224
2280	warn "enter emergency perl save\n";	3225	warn "enter emergency perl save\n";
2281		3226
2282	cf::sync_job {	3227	cf::sync_job {
2283	# use a peculiar iteration method to avoid tripping on perl	3228	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	3229	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	3230	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	3231	warn "begin emergency player save\n";
2287	for my $login (keys %cf::PLAYER) {	3232	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	3233	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	3234	$pl->valid or next;
2290	$pl->save;	3235	$pl->save;
…		…
2296	my $map = $cf::MAP{$path} or next;	3241	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	3242	$map->valid or next;
2298	$map->save;	3243	$map->save;
2299	}	3244	}
2300	warn "end emergency map save\n";	3245	warn "end emergency map save\n";
		3246
		3247	warn "begin emergency database checkpoint\n";
		3248	BDB::db_env_txn_checkpoint $DB_ENV;
		3249	warn "end emergency database checkpoint\n";
2301	};	3250	};
2302		3251
2303	warn "leave emergency perl save\n";	3252	warn "leave emergency perl save\n";
2304	}	3253	}
2305		3254
		3255	sub post_cleanup {
		3256	my ($make_core) = @_;
		3257
		3258	warn Carp::longmess "post_cleanup backtrace"
		3259	if $make_core;
		3260	}
		3261
2306	sub reload() {	3262	sub do_reload_perl() {
2307	# can/must only be called in main	3263	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	3264	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	3265	warn "can only reload from main coroutine";
2310	return;	3266	return;
2311	}	3267	}
2312		3268
2313	warn "reloading...";	3269	warn "reloading...";
2314		3270
2315	warn "freezing server";	3271	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	3272
		3273	cf::sync_job {
		3274	cf::write_runtime; # external watchdog should not bark
2317	cf::emergency_save;	3275	cf::emergency_save;
		3276	cf::write_runtime; # external watchdog should not bark
2318		3277
2319	warn "sync database to disk";	3278	warn "syncing database to disk";
2320	cf::db_sync;	3279	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		3280
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved	3281	# if anything goes wrong in here, we should simply crash as we already saved
2325		3282
2326	warn "cancel all watchers";	3283	warn "cancelling all WF_AUTOCANCEL watchers";
2327	for (Event::all_watchers) {	3284	for (Event::all_watchers) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	3285	$_->cancel if $_->data & WF_AUTOCANCEL;
2329	}	3286	}
2330		3287
		3288	warn "flushing outstanding aio requests";
		3289	for (;;) {
		3290	BDB::flush;
		3291	IO::AIO::flush;
		3292	Coro::cede;
		3293	last unless IO::AIO::nreqs || BDB::nreqs;
		3294	warn "iterate...";
		3295	}
		3296
		3297	++$RELOAD;
		3298
2331	warn "cancel all extension coros";	3299	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	3300	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	3301	%EXT_CORO = ();
2334		3302
2335	warn "remove commands";	3303	warn "removing commands";
2336	%COMMAND = ();	3304	%COMMAND = ();
2337		3305
2338	warn "remove ext commands";	3306	warn "removing ext/exti commands";
2339	%EXTCMD = ();	3307	%EXTCMD = ();
		3308	%EXTICMD = ();
2340		3309
2341	warn "unload/nuke all extensions";	3310	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	3311	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	3312	warn "... unloading $pkg";
2344		3313
2345	if (my $cb = $pkg->can ("unload")) {	3314	if (my $cb = $pkg->can ("unload")) {
2346	eval {	3315	eval {
…		…
2351		3320
2352	warn "... nuking $pkg";	3321	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;	3322	Symbol::delete_package $pkg;
2354	}	3323	}
2355		3324
2356	warn "unload all perl modules loaded from $LIBDIR";	3325	warn "unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	3326	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3327	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		3328
2360	warn "removing <$k>";	3329	warn "... unloading $k";
2361	delete $INC{$k};	3330	delete $INC{$k};
2362		3331
2363	$k =~ s/\.pm$//;	3332	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	3333	$k =~ s/\//::/g;
2365		3334
…		…
2368	}	3337	}
2369		3338
2370	Symbol::delete_package $k;	3339	Symbol::delete_package $k;
2371	}	3340	}
2372		3341
2373	warn "get rid of safe::, as good as possible";	3342	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	3343	Symbol::delete_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3344	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		3345
2377	warn "unload cf.pm \"a bit\"";	3346	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	3347	delete $INC{"cf.pm"};
		3348	delete $INC{"cf/pod.pm"};
2379		3349
2380	# don't, removes xs symbols, too,	3350	# don't, removes xs symbols, too,
2381	# and global variables created in xs	3351	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	3352	#Symbol::delete_package __PACKAGE__;
2383		3353
		3354	warn "unload completed, starting to reload now";
		3355
2384	warn "reloading cf.pm";	3356	warn "reloading cf.pm";
2385	require cf;	3357	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3358	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		3359
2388	warn "load config and database again";	3360	warn "loading config and database again";
2389	cf::cfg_load;	3361	cf::reload_config;
2390	cf::db_load;
2391		3362
2392	warn "load extensions";	3363	warn "loading extensions";
2393	cf::load_extensions;	3364	cf::load_extensions;
2394		3365
2395	warn "reattach attachments to objects/players";	3366	warn "reattaching attachments to objects/players";
2396	_global_reattach;	3367	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	3368	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	3369	reattach $_ for values %MAP;
2399	};	3370	warn "reattaching attachments to players";
		3371	reattach $_ for values %PLAYER;
2400		3372
2401	if ($@) {	3373	warn "leaving sync_job";
		3374
		3375	1
		3376	} or do {
2402	warn $@;	3377	warn $@;
2403	warn "error while reloading, exiting.";	3378	warn "error while reloading, exiting.";
2404	exit 1;	3379	exit 1;
2405	}	3380	};
2406		3381
2407	warn "reloaded";	3382	warn "reloaded";
2408	};	3383	};
2409		3384
2410	#############################################################################	3385	our $RELOAD_WATCHER; # used only during reload
2411		3386
2412	unless ($LINK_MAP) {	3387	sub reload_perl() {
2413	$LINK_MAP = cf::map::new;	3388	# doing reload synchronously and two reloads happen back-to-back,
		3389	# coro crashes during coro_state_free->destroy here.
2414		3390
2415	$LINK_MAP->width (41);	3391	$RELOAD_WATCHER ||= Event->timer (
2416	$LINK_MAP->height (41);	3392	reentrant => 0,
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,	3393	after => 0,
		3394	data => WF_AUTOCANCEL,
2425	cb => sub {	3395	cb => sub {
2426	$_[0]->w->cancel;	3396	do_reload_perl;
2427		3397	undef $RELOAD_WATCHER;
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});	3398	},
2446		3399	);
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}	3400	}
2452		3401
2453	register_command "reload" => sub {	3402	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	3403	my ($who, $arg) = @_;
2455		3404
2456	if ($who->flag (FLAG_WIZ)) {	3405	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");
2458	reload;
2459	$who->message ("end of reload.");	3406	$who->message ("reloading server.");
		3407	async { reload_perl };
2460	}	3408	}
2461	};	3409	};
2462		3410
2463	unshift @INC, $LIBDIR;	3411	unshift @INC, $LIBDIR;
2464		3412
		3413	my $bug_warning = 0;
		3414
		3415	our @WAIT_FOR_TICK;
		3416	our @WAIT_FOR_TICK_BEGIN;
		3417
		3418	sub wait_for_tick {
		3419	return unless $TICK_WATCHER->is_active;
		3420	return if $Coro::current == $Coro::main;
		3421
		3422	my $signal = new Coro::Signal;
		3423	push @WAIT_FOR_TICK, $signal;
		3424	$signal->wait;
		3425	}
		3426
		3427	sub wait_for_tick_begin {
		3428	return unless $TICK_WATCHER->is_active;
		3429	return if $Coro::current == $Coro::main;
		3430
		3431	my $signal = new Coro::Signal;
		3432	push @WAIT_FOR_TICK_BEGIN, $signal;
		3433	$signal->wait;
		3434	}
		3435
		3436	my $min = 1e6;#d#
		3437	my $avg = 10;
2465	$TICK_WATCHER = Event->timer (	3438	$TICK_WATCHER = Event->timer (
2466	reentrant => 0,	3439	reentrant => 0,
		3440	parked => 1,
2467	prio => 0,	3441	prio => 0,
2468	at => $NEXT_TICK || $TICK,	3442	at => $NEXT_TICK || $TICK,
2469	data => WF_AUTOCANCEL,	3443	data => WF_AUTOCANCEL,
2470	cb => sub {	3444	cb => sub {
		3445	if ($Coro::current != $Coro::main) {
		3446	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3447	unless ++$bug_warning > 10;
		3448	return;
		3449	}
		3450
		3451	$NOW = $tick_start = Event::time;
		3452
2471	cf::server_tick; # one server iteration	3453	cf::server_tick; # one server iteration
		3454
		3455	0 && sync_job {#d#
		3456	for(1..10) {
		3457	my $t = Event::time;
		3458	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3459	or die;
		3460
		3461	$map->width (50);
		3462	$map->height (50);
		3463	$map->alloc;
		3464	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3465	my $t = Event::time - $t;
		3466
		3467	#next unless $t < 0.0013;#d#
		3468	if ($t < $min) {
		3469	$min = $t;
		3470	}
		3471	$avg = $avg * 0.99 + $t * 0.01;
		3472	}
		3473	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3474	exit 0;
		3475	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3476	};
		3477
2472	$RUNTIME += $TICK;	3478	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;	3479	$NEXT_TICK += $TICK;
2474		3480
2475	$WAIT_FOR_TICK->broadcast;	3481	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3482	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3483	Coro::async_pool {
		3484	write_runtime
		3485	or warn "ERROR: unable to write runtime file: $!";
		3486	};
		3487	}
		3488
		3489	# my $AFTER = Event::time;
		3490	# warn $AFTER - $NOW;#d#
		3491
		3492	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3493	$sig->send;
		3494	}
		3495	while (my $sig = shift @WAIT_FOR_TICK) {
		3496	$sig->send;
		3497	}
		3498
		3499	$NOW = Event::time;
2477		3500
2478	# if we are delayed by four ticks or more, skip them all	3501	# if we are delayed by four ticks or more, skip them all
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3502	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2480		3503
2481	$TICK_WATCHER->at ($NEXT_TICK);	3504	$TICK_WATCHER->at ($NEXT_TICK);
2482	$TICK_WATCHER->start;	3505	$TICK_WATCHER->start;
		3506
		3507	$LOAD = ($NOW - $tick_start) / $TICK;
		3508	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3509
		3510	_post_tick;
		3511
		3512
2483	},	3513	},
2484	);	3514	);
2485		3515
		3516	{
2486	IO::AIO::max_poll_time $TICK * 0.2;	3517	BDB::max_poll_time $TICK * 0.1;
2487		3518	$BDB_POLL_WATCHER = Event->io (
2488	Event->io (	3519	reentrant => 0,
2489	fd => IO::AIO::poll_fileno,	3520	fd => BDB::poll_fileno,
2490	poll => 'r',	3521	poll => 'r',
2491	prio => 5,	3522	prio => 0,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,	3523	data => WF_AUTOCANCEL,
2498	after => 0,	3524	cb => \&BDB::poll_cb,
2499	interval => 10,	3525	);
2500	cb => sub {	3526	BDB::min_parallel 8;
2501	(Coro::unblock_sub {	3527
2502	write_runtime	3528	BDB::set_sync_prepare {
2503	or warn "ERROR: unable to write runtime file: $!";	3529	my $status;
		3530	my $current = $Coro::current;
		3531	(
		3532	sub {
		3533	$status = $!;
		3534	$current->ready; undef $current;
		3535	},
		3536	sub {
		3537	Coro::schedule while defined $current;
		3538	$! = $status;
		3539	},
		3540	)
		3541	};
		3542
		3543	unless ($DB_ENV) {
		3544	$DB_ENV = BDB::db_env_create;
		3545
		3546	cf::sync_job {
		3547	eval {
		3548	BDB::db_env_open
		3549	$DB_ENV,
		3550	$BDBDIR,
		3551	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3553	0666;
		3554
		3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3556
		3557	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3558	$DB_ENV->set_lk_detect;
		3559	};
		3560
		3561	cf::cleanup "db_env_open(db): $@" if $@;
2504	})->();	3562	};
2505	},	3563	}
2506	);	3564	}
		3565
		3566	{
		3567	IO::AIO::min_parallel 8;
		3568
		3569	undef $Coro::AIO::WATCHER;
		3570	IO::AIO::max_poll_time $TICK * 0.1;
		3571	$AIO_POLL_WATCHER = Event->io (
		3572	reentrant => 0,
		3573	data => WF_AUTOCANCEL,
		3574	fd => IO::AIO::poll_fileno,
		3575	poll => 'r',
		3576	prio => 6,
		3577	cb => \&IO::AIO::poll_cb,
		3578	);
		3579	}
		3580
		3581	my $_log_backtrace;
		3582
		3583	sub _log_backtrace {
		3584	my ($msg, @addr) = @_;
		3585
		3586	$msg =~ s/\n//;
		3587
		3588	# limit the # of concurrent backtraces
		3589	if ($_log_backtrace < 2) {
		3590	++$_log_backtrace;
		3591	async {
		3592	my @bt = fork_call {
		3593	@addr = map { sprintf "%x", $_ } @addr;
		3594	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3595	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3596	or die "addr2line: $!";
		3597
		3598	my @funcs;
		3599	my @res = <$fh>;
		3600	chomp for @res;
		3601	while (@res) {
		3602	my ($func, $line) = splice @res, 0, 2, ();
		3603	push @funcs, "[$func] $line";
		3604	}
		3605
		3606	@funcs
		3607	};
		3608
		3609	LOG llevInfo, "[ABT] $msg\n";
		3610	LOG llevInfo, "[ABT] $_\n" for @bt;
		3611	--$_log_backtrace;
		3612	};
		3613	} else {
		3614	LOG llevInfo, "[ABT] $msg\n";
		3615	LOG llevInfo, "[ABT] [suppressed]\n";
		3616	}
		3617	}
		3618
		3619	# load additional modules
		3620	use cf::pod;
2507		3621
2508	END { cf::emergency_save }	3622	END { cf::emergency_save }
2509		3623
2510	1	3624	1
2511		3625

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