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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.157 by root, Wed Jan 10 01:16:54 2007 UTC vs.
Revision 1.362 by root, Mon Sep 10 12:44:06 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 = ();
		54
		55	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
39		60
		61	our $RELOAD; # number of reloads so far
40	our @EVENT;	62	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		63
43	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(!)
44	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	80	our $NEXT_TICK;
46	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;
47		86
48	our %CFG;	87	our %CFG;
49		88
50	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	90	our $RUNTIME;
52		91
53	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
54	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
55	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";
57	our %EXT_CORO; # coroutines bound to extensions
58		95
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	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 $tick_start; # for load detecting purposes
61		102
62	binmode STDOUT;	103	binmode STDOUT;
63	binmode STDERR;	104	binmode STDERR;
64		105
65	# read virtual server time, if available	106	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
70	}	111	}
71		112
72	mkdir cf::localdir;	113	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		115
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
81		119
82	#############################################################################	120	#############################################################################
83		121
84	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
85		123
…		…
92	=item $cf::RUNTIME	130	=item $cf::RUNTIME
93		131
94	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
95	every server tick.	133	every server tick.
96		134
97	=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
98		138
99	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
100	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.
101		143
102	=item $cf::NOW	144	=item $cf::NOW
103		145
104	The time of the last (current) server tick.	146	The time of the last (current) server tick.
105		147
106	=item $cf::TICK	148	=item $cf::TICK
107		149
108	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.
109		161
110	=item %cf::CFG	162	=item %cf::CFG
111		163
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	165	from wherever your confdir points to.
114		166
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		168
117	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
118	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
119	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.
120	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.
121		178
122	=back	179	=back
123		180
124	=cut	181	=cut
125		182
126	BEGIN {	183	BEGIN {
127	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	185	my $msg = join "", @_;
129	utf8::encode $msg;
130		186
131	$msg .= "\n"	187	$msg .= "\n"
132	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
133		191
134	LOG llevError, $msg;	192	LOG llevError, $msg;
135	};	193	};
136	}	194	}
137		195
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
143	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
144		203
145	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
146	# within the Safe compartment.	205	# within the Safe compartment.
147	for my $pkg (qw(	206	for my $pkg (qw(
148	cf::global cf::attachable	207	cf::global cf::attachable
…		…
157		216
158	$Event::DIED = sub {	217	$Event::DIED = sub {
159	warn "error in event callback: @_";	218	warn "error in event callback: @_";
160	};	219	};
161		220
162	my %ext_pkg;	221	#############################################################################
163	my @exts;
164	my @hook;
165		222
166	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
167		224
168	=over 4	225	=over 4
169		226
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	246	$d
190	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
191	}	248	}
192		249
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
196		251
197	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
198		253
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
207		255
208	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
209		257
210	=cut	258	=cut
211		259
212	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
214	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
216		264
217	=item cf::lock_wait $string	265	=item cf::lock_wait $string
218		266
219	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
220		268
…		…
223	Wait until the given lock is available and then acquires it and returns	271	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	272	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	273	for example when the coroutine gets canceled), the lock is automatically
226	returned.	274	returned.
227		275
		276	Locks are *not* recursive, locking from the same coro twice results in a
		277	deadlocked coro.
		278
228	Lock names should begin with a unique identifier (for example, cf::map::find	279	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	280	uses map_find and cf::map::load uses map_load).
230		281
		282	=item $locked = cf::lock_active $string
		283
		284	Return true if the lock is currently active, i.e. somebody has locked it.
		285
231	=cut	286	=cut
232		287
233	our %LOCK;	288	our %LOCK;
		289	our %LOCKER;#d#
234		290
235	sub lock_wait($) {	291	sub lock_wait($) {
236	my ($key) = @_;	292	my ($key) = @_;
		293
		294	if ($LOCKER{$key} == $Coro::current) {#d#
		295	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		296	return;#d#
		297	}#d#
237		298
238	# wait for lock, if any	299	# wait for lock, if any
239	while ($LOCK{$key}) {	300	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	301	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	302	Coro::schedule;
…		…
247		308
248	# wait, to be sure we are not locked	309	# wait, to be sure we are not locked
249	lock_wait $key;	310	lock_wait $key;
250		311
251	$LOCK{$key} = [];	312	$LOCK{$key} = [];
		313	$LOCKER{$key} = $Coro::current;#d#
252		314
253	Coro::guard {	315	Coro::guard {
		316	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	317	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	318	$_->ready for @{ delete $LOCK{$key} };
256	}	319	}
257	}	320	}
258		321
		322	sub lock_active($) {
		323	my ($key) = @_;
		324
		325	! ! $LOCK{$key}
		326	}
		327
259	sub freeze_mainloop {	328	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	329	return unless $TICK_WATCHER->is_active;
261		330
262	my $guard = Coro::guard { $TICK_WATCHER->start };	331	my $guard = Coro::guard {
		332	$TICK_WATCHER->start;
		333	};
263	$TICK_WATCHER->stop;	334	$TICK_WATCHER->stop;
264	$guard	335	$guard
		336	}
		337
		338	=item cf::get_slot $time[, $priority[, $name]]
		339
		340	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		341	This call blocks and returns only when you have at least C<$time> seconds
		342	of cpu time till the next tick. The slot is only valid till the next cede.
		343
		344	The optional C<$name> can be used to identify the job to run. It might be
		345	used for statistical purposes and should identify the same time-class.
		346
		347	Useful for short background jobs.
		348
		349	=cut
		350
		351	our @SLOT_QUEUE;
		352	our $SLOT_QUEUE;
		353
		354	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		355	$SLOT_QUEUE = Coro::async {
		356	my $signal = new Coro::Signal;
		357
		358	while () {
		359	next_job:
		360	my $avail = cf::till_tick;
		361	if ($avail > 0.01) {
		362	for (0 .. $#SLOT_QUEUE) {
		363	if ($SLOT_QUEUE[$_][0] < $avail) {
		364	my $job = splice @SLOT_QUEUE, $_, 1, ();
		365	$job->[2]->send;
		366	Coro::cede;
		367	goto next_job;
		368	}
		369	}
		370	}
		371
		372	if (@SLOT_QUEUE) {
		373	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		374	push @cf::WAIT_FOR_TICK, $signal;
		375	$signal->wait;
		376	} else {
		377	Coro::schedule;
		378	}
		379	}
		380	};
		381
		382	sub get_slot($;$$) {
		383	my ($time, $pri, $name) = @_;
		384
		385	$time = $TICK * .6 if $time > $TICK * .6;
		386	my $sig = new Coro::Signal;
		387
		388	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		389	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		390	$SLOT_QUEUE->ready;
		391	$sig->wait;
265	}	392	}
266		393
267	=item cf::async { BLOCK }	394	=item cf::async { BLOCK }
268		395
269	Currently the same as Coro::async_pool, meaning you cannot use	396	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		401
275	BEGIN { *async = \&Coro::async_pool }	402	BEGIN { *async = \&Coro::async_pool }
276		403
277	=item cf::sync_job { BLOCK }	404	=item cf::sync_job { BLOCK }
278		405
279	The design of crossfire+ requires that the main coro ($Coro::main) is	406	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	407	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	408	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		409	acceptable.
282		410
283	If it must be done, put the blocking parts into C<sync_job>. This will run	411	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	412	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	413	server will be frozen during this time, so the block should either finish
286	fast or be very important.	414	fast or be very important.
…		…
289		417
290	sub sync_job(&) {	418	sub sync_job(&) {
291	my ($job) = @_;	419	my ($job) = @_;
292		420
293	if ($Coro::current == $Coro::main) {	421	if ($Coro::current == $Coro::main) {
		422	my $time = Event::time;
		423
294	# this is the main coro, too bad, we have to block	424	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	425	# till the operation succeeds, freezing the server :/
296		426
297	# TODO: use suspend/resume instead	427	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	428	# (but this is cancel-safe)
…		…
309		439
310	while ($busy) {	440	while ($busy) {
311	Coro::cede or Event::one_event;	441	Coro::cede or Event::one_event;
312	}	442	}
313		443
		444	$time = Event::time - $time;
		445
		446	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		447	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		448
		449	$tick_start += $time; # do not account sync jobs to server load
		450
314	wantarray ? @res : $res[0]	451	wantarray ? @res : $res[0]
315	} else {	452	} else {
316	# we are in another coroutine, how wonderful, everything just works	453	# we are in another coroutine, how wonderful, everything just works
317		454
318	$job->()	455	$job->()
319	}	456	}
320	}	457	}
321		458
322	=item $coro = cf::async_ext { BLOCK }	459	=item $coro = cf::async_ext { BLOCK }
323		460
324	Like async, but this coro is automcatially being canceled when the	461	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	462	extension calling this is being unloaded.
326		463
327	=cut	464	=cut
328		465
329	sub async_ext(&) {	466	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	474	$EXT_CORO{$coro+0} = $coro;
338		475
339	$coro	476	$coro
340	}	477	}
341		478
342	sub write_runtime {	479	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		480
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	481	Executes the given code block with the given arguments in a seperate
346	or return;	482	process, returning the results. Everything must be serialisable with
		483	Coro::Storable. May, of course, block. Note that the executed sub may
		484	never block itself or use any form of Event handling.
347		485
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	486	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		487
352	aio_fsync $fh	488	sub fork_call(&@) {
353	and return;	489	my ($cb, @args) = @_;
354		490
355	close $fh	491	# we seemingly have to make a local copy of the whole thing,
356	or return;	492	# otherwise perl prematurely frees the stuff :/
		493	# TODO: investigate and fix (likely this will be rather laborious)
357		494
358	aio_rename "$runtime~", $runtime	495	my @res = Coro::Util::fork_eval {
359	and return;	496	reset_signals;
		497	&$cb
		498	}, @args;
360		499
		500	wantarray ? @res : $res[-1]
		501	}
		502
		503	=item $value = cf::db_get $family => $key
		504
		505	Returns a single value from the environment database.
		506
		507	=item cf::db_put $family => $key => $value
		508
		509	Stores the given C<$value> in the family. It can currently store binary
		510	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		511
		512	=cut
		513
		514	our $DB;
		515
		516	sub db_init {
		517	unless ($DB) {
		518	$DB = BDB::db_create $DB_ENV;
		519
		520	cf::sync_job {
		521	eval {
		522	$DB->set_flags (BDB::CHKSUM);
		523
		524	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		525	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		526	cf::cleanup "db_open(db): $!" if $!;
		527	};
		528	cf::cleanup "db_open(db): $@" if $@;
		529	};
361	1	530	}
		531	}
		532
		533	sub db_get($$) {
		534	my $key = "$_[0]/$_[1]";
		535
		536	cf::sync_job {
		537	BDB::db_get $DB, undef, $key, my $data;
		538
		539	$! ? ()
		540	: $data
		541	}
		542	}
		543
		544	sub db_put($$$) {
		545	BDB::dbreq_pri 4;
		546	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		547	}
		548
		549	=item cf::cache $id => [$paths...], $processversion => $process
		550
		551	Generic caching function that returns the value of the resource $id,
		552	caching and regenerating as required.
		553
		554	This function can block.
		555
		556	=cut
		557
		558	sub cache {
		559	my ($id, $src, $processversion, $process) = @_;
		560
		561	my $meta =
		562	join "\x00",
		563	$processversion,
		564	map {
		565	aio_stat $_
		566	and Carp::croak "$_: $!";
		567
		568	($_, (stat _)[7,9])
		569	} @$src;
		570
		571	my $dbmeta = db_get cache => "$id/meta";
		572	if ($dbmeta ne $meta) {
		573	# changed, we may need to process
		574
		575	my @data;
		576	my $md5;
		577
		578	for (0 .. $#$src) {
		579	0 <= aio_load $src->[$_], $data[$_]
		580	or Carp::croak "$src->[$_]: $!";
		581	}
		582
		583	# if processing is expensive, check
		584	# checksum first
		585	if (1) {
		586	$md5 =
		587	join "\x00",
		588	$processversion,
		589	map {
		590	cf::cede_to_tick;
		591	($src->[$_], Digest::MD5::md5_hex $data[$_])
		592	} 0.. $#$src;
		593
		594
		595	my $dbmd5 = db_get cache => "$id/md5";
		596	if ($dbmd5 eq $md5) {
		597	db_put cache => "$id/meta", $meta;
		598
		599	return db_get cache => "$id/data";
		600	}
		601	}
		602
		603	my $t1 = Time::HiRes::time;
		604	my $data = $process->(\@data);
		605	my $t2 = Time::HiRes::time;
		606
		607	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		608
		609	db_put cache => "$id/data", $data;
		610	db_put cache => "$id/md5" , $md5;
		611	db_put cache => "$id/meta", $meta;
		612
		613	return $data;
		614	}
		615
		616	db_get cache => "$id/data"
		617	}
		618
		619	=item cf::datalog type => key => value, ...
		620
		621	Log a datalog packet of the given type with the given key-value pairs.
		622
		623	=cut
		624
		625	sub datalog($@) {
		626	my ($type, %kv) = @_;
		627	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
362	}	628	}
363		629
364	=back	630	=back
365		631
366	=cut	632	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489		633
490	#############################################################################	634	#############################################################################
491		635
492	=head2 ATTACHABLE OBJECTS	636	=head2 ATTACHABLE OBJECTS
493		637
…		…
495	attach callbacks/event handlers (a collection of which is called an "attachment")	639	attach callbacks/event handlers (a collection of which is called an "attachment")
496	to it. All such attachable objects support the following methods.	640	to it. All such attachable objects support the following methods.
497		641
498	In the following description, CLASS can be any of C<global>, C<object>	642	In the following description, CLASS can be any of C<global>, C<object>
499	C<player>, C<client> or C<map> (i.e. the attachable objects in	643	C<player>, C<client> or C<map> (i.e. the attachable objects in
500	crossfire+).	644	Crossfire TRT).
501		645
502	=over 4	646	=over 4
503		647
504	=item $attachable->attach ($attachment, key => $value...)	648	=item $attachable->attach ($attachment, key => $value...)
505		649
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	763	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	764	our @CB_MAP = ();
621		765
622	my %attachment;	766	my %attachment;
623		767
		768	sub cf::attachable::thawer_merge {
		769	# simply override everything except _meta
		770	local $_[0]{_meta};
		771	%{$_[0]} = %{$_[1]};
		772	}
		773
624	sub _attach_cb($$$$) {	774	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	775	my ($registry, $event, $prio, $cb) = @_;
626		776
627	use sort 'stable';	777	use sort 'stable';
628		778
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	812	$registry = $CB_TYPE[$object_type] ||= [];
663		813
664	} elsif ($type eq "subtype") {	814	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	815	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	816	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	817	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		818
669	} elsif ($type eq "package") {	819	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	820	my $pkg = shift @arg;
671		821
672	while (my ($name, $id) = each %cb_id) {	822	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	851	_attach $registry, $klass, @attach;
702	}	852	}
703		853
704	$obj->{$name} = \%arg;	854	$obj->{$name} = \%arg;
705	} else {	855	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	856	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	857	}
708		858
709	$obj->{_attachment}{$name} = undef;	859	$obj->{_attachment}{$name} = undef;
710	}	860	}
711		861
…		…
713	if (ref $_[0]) {	863	if (ref $_[0]) {
714	_object_attach @_;	864	_object_attach @_;
715	} else {	865	} else {
716	_attach shift->_attach_registry, @_;	866	_attach shift->_attach_registry, @_;
717	}	867	}
		868	_recalc_want;
718	};	869	};
719		870
720	# all those should be optimised	871	# all those should be optimised
721	sub cf::attachable::detach {	872	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	873	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	876	delete $obj->{_attachment}{$name};
726	reattach ($obj);	877	reattach ($obj);
727	} else {	878	} else {
728	Carp::croak "cannot, currently, detach class attachments";	879	Carp::croak "cannot, currently, detach class attachments";
729	}	880	}
		881	_recalc_want;
730	};	882	};
731		883
732	sub cf::attachable::attached {	884	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	885	my ($obj, $name) = @_;
734		886
…		…
749	";	901	";
750	die if $@;	902	die if $@;
751	}	903	}
752		904
753	our $override;	905	our $override;
754	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	906	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
755		907
756	sub override {	908	sub override {
757	$override = 1;	909	$override = 1;
758	@invoke_results = ();	910	@INVOKE_RESULTS = (@_);
759	}	911	}
760		912
761	sub do_invoke {	913	sub do_invoke {
762	my $event = shift;	914	my $event = shift;
763	my $callbacks = shift;	915	my $callbacks = shift;
764		916
765	@invoke_results = ();	917	@INVOKE_RESULTS = ();
766		918
767	local $override;	919	local $override;
768		920
769	for (@$callbacks) {	921	for (@$callbacks) {
770	eval { &{$_->[1]} };	922	eval { &{$_->[1]} };
…		…
787		939
788	Generate an object-specific event with the given arguments.	940	Generate an object-specific event with the given arguments.
789		941
790	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	942	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
791	removed in future versions), and there is no public API to access override	943	removed in future versions), and there is no public API to access override
792	results (if you must, access C<@cf::invoke_results> directly).	944	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		945
794	=back	946	=back
795		947
796	=cut	948	=cut
797		949
798	#############################################################################	950	#############################################################################
799	# object support	951	# object support
		952	#
		953
		954	sub _can_merge {
		955	my ($ob1, $ob2) = @_;
		956
		957	local $Storable::canonical = 1;
		958	my $fob1 = Storable::freeze $ob1;
		959	my $fob2 = Storable::freeze $ob2;
		960
		961	$fob1 eq $fob2
		962	}
800		963
801	sub reattach {	964	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	965	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	966	my ($obj) = @_;
		967
		968	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		969
805	my $registry = $obj->registry;	970	my $registry = $obj->registry;
806		971
807	@$registry = ();	972	@$registry = ();
808		973
…		…
847	);	1012	);
848		1013
849	sub object_freezer_save {	1014	sub object_freezer_save {
850	my ($filename, $rdata, $objs) = @_;	1015	my ($filename, $rdata, $objs) = @_;
851		1016
		1017	my $guard = cf::lock_acquire "io";
		1018
852	sync_job {	1019	sync_job {
853	if (length $$rdata) {	1020	if (length $$rdata) {
		1021	utf8::decode (my $decname = $filename);
854	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
855	$filename, length $$rdata, scalar @$objs;	1023	$decname, length $$rdata, scalar @$objs;
856		1024
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	1029	close $fh;
862		1030
863	if (@$objs) {	1031	if (@$objs) {
864	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) {
865	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	1037	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
871	}	1039	}
872	} else {	1040	} else {
873	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
879	}	1047	}
880	} else {	1048	} else {
881	aio_unlink $filename;	1049	aio_unlink $filename;
882	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
883	}	1051	}
884	}	1052	};
		1053
		1054	undef $guard;
885	}	1055	}
886		1056
887	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
888	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
889		1059
…		…
894		1064
895	sub object_thawer_load {	1065	sub object_thawer_load {
896	my ($filename) = @_;	1066	my ($filename) = @_;
897		1067
898	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
899		1071
900	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
901	or return;	1073	or return;
902		1074
903	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
904	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
905	or return;	1077	or return;
		1078
		1079	undef $guard;
906	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
907	}	1081	}
908		1082
		1083	utf8::decode (my $decname = $filename);
909	warn sprintf "loading %s (%d)\n",	1084	warn sprintf "loading %s (%d,%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1085	$decname, length $data, scalar @{$av || []};
		1086
911	return ($data, $av);	1087	($data, $av)
912	}	1088	}
		1089
		1090	=head2 COMMAND CALLBACKS
		1091
		1092	=over 4
		1093
		1094	=cut
913		1095
914	#############################################################################	1096	#############################################################################
915	# command handling &c	1097	# command handling &c
916		1098
917	=item cf::register_command $name => \&callback($ob,$args);	1099	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1112	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1113	}
932		1114
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1115	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1116
935	Register a callbackf ro execution when the client sends an extcmd packet.	1117	Register a callback for execution when the client sends an (synchronous)
		1118	extcmd packet. Ext commands will be processed in the order they are
		1119	received by the server, like other user commands. The first argument is
		1120	the logged-in player. Ext commands can only be processed after a player
		1121	has logged in successfully.
936		1122
937	If the callback returns something, it is sent back as if reply was being	1123	If the callback returns something, it is sent back as if reply was being
938	called.	1124	called.
939		1125
		1126	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1127
		1128	Register a callback for execution when the client sends an (asynchronous)
		1129	exticmd packet. Exti commands are processed by the server as soon as they
		1130	are received, i.e. out of order w.r.t. other commands. The first argument
		1131	is a client socket. Exti commands can be received anytime, even before
		1132	log-in.
		1133
		1134	If the callback returns something, it is sent back as if reply was being
		1135	called.
		1136
940	=cut	1137	=cut
941		1138
942	sub register_extcmd {	1139	sub register_extcmd {
943	my ($name, $cb) = @_;	1140	my ($name, $cb) = @_;
944		1141
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1142	$EXTCMD{$name} = $cb;
		1143	}
		1144
		1145	sub register_exticmd {
		1146	my ($name, $cb) = @_;
		1147
		1148	$EXTICMD{$name} = $cb;
949	}	1149	}
950		1150
951	cf::player->attach (	1151	cf::player->attach (
952	on_command => sub {	1152	on_command => sub {
953	my ($pl, $name, $params) = @_;	1153	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1162	cf::override;
963	},	1163	},
964	on_extcmd => sub {	1164	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1165	my ($pl, $buf) = @_;
966		1166
967	my $msg = eval { from_json $buf };	1167	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1168
969	if (ref $msg) {	1169	if (ref $msg) {
		1170	my ($type, $reply, @payload) =
		1171	"ARRAY" eq ref $msg
		1172	? @$msg
		1173	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1174
		1175	my @reply;
		1176
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1177	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1178	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1179	}
		1180
		1181	$pl->ext_reply ($reply, @reply)
		1182	if $reply;
		1183
975	} else {	1184	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1185	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1186	}
978		1187
979	cf::override;	1188	cf::override;
980	},	1189	},
981	);	1190	);
982		1191
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {
990	my ($path) = @_;
991
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;
994	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}
1058
1059	sub load_extensions {	1192	sub load_extensions {
		1193	cf::sync_job {
		1194	my %todo;
		1195
1060	for my $ext (<$LIBDIR/*.ext>) {	1196	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1197	next unless -r $path;
1062	eval {	1198
1063	load_extension $ext;	1199	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1200	my $base = $1;
		1201	my $pkg = $1;
		1202	$pkg =~ s/[^[:word:]]/_/g;
		1203	$pkg = "ext::$pkg";
		1204
		1205	open my $fh, "<:utf8", $path
		1206	or die "$path: $!";
		1207
		1208	my $source = do { local $/; <$fh> };
		1209
		1210	my %ext = (
		1211	path => $path,
		1212	base => $base,
		1213	pkg => $pkg,
		1214	);
		1215
		1216	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1217	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1218
		1219	$ext{source} =
		1220	"package $pkg; use strict; use utf8;\n"
		1221	. "#line 1 \"$path\"\n{\n"
		1222	. $source
		1223	. "\n};\n1";
		1224
		1225	$todo{$base} = \%ext;
		1226	}
		1227
		1228	my %done;
		1229	while (%todo) {
		1230	my $progress;
		1231
		1232	while (my ($k, $v) = each %todo) {
		1233	for (split /,\s*/, $v->{meta}{depends}) {
		1234	goto skip
		1235	unless exists $done{$_};
		1236	}
		1237
		1238	warn "... loading '$k' into '$v->{pkg}'\n";
		1239
		1240	unless (eval $v->{source}) {
		1241	my $msg = $@ ? "$v->{path}: $@\n"
		1242	: "$v->{base}: extension inactive.\n";
		1243
		1244	if (exists $v->{meta}{mandatory}) {
		1245	warn $msg;
		1246	warn "mandatory extension failed to load, exiting.\n";
		1247	exit 1;
		1248	}
		1249
		1250	warn $msg;
		1251	}
		1252
		1253	$done{$k} = delete $todo{$k};
		1254	push @EXTS, $v->{pkg};
		1255	$progress = 1;
1064	1	1256	}
1065	} or warn "$ext not loaded: $@";	1257
		1258	skip:
		1259	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1260	unless $progress;
		1261	}
1066	}	1262	};
1067	}	1263	}
1068		1264
1069	#############################################################################	1265	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1266
1072	*cf::mapsupport::on_clean = sub {	1267	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1268
1085	=head2 CORE EXTENSIONS	1269	=head2 CORE EXTENSIONS
1086		1270
1087	Functions and methods that extend core crossfire objects.	1271	Functions and methods that extend core crossfire objects.
1088		1272
…		…
1094		1278
1095	=head3 cf::player	1279	=head3 cf::player
1096		1280
1097	=over 4	1281	=over 4
1098		1282
		1283	=item cf::player::num_playing
		1284
		1285	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1286
		1287	=cut
		1288
		1289	sub num_playing {
		1290	scalar grep
		1291	$_->ob->map
		1292	&& !$_->hidden
		1293	&& !$_->ob->flag (cf::FLAG_WIZ),
		1294	cf::player::list
		1295	}
		1296
1099	=item cf::player::find $login	1297	=item cf::player::find $login
1100		1298
1101	Returns the given player object, loading it if necessary (might block).	1299	Returns the given player object, loading it if necessary (might block).
1102		1300
1103	=cut	1301	=cut
1104		1302
1105	sub playerdir($) {	1303	sub playerdir($) {
1106	cf::localdir	1304	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1305	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1306	}
1112		1307
1113	sub path($) {	1308	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1309	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1310
1116	(playerdir $login) . "/$login.pl"	1311	(playerdir $login) . "/playerdata"
1117	}	1312	}
1118		1313
1119	sub find_active($) {	1314	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1315	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1316	and $cf::PLAYER{$_[0]}->active
…		…
1124		1319
1125	sub exists($) {	1320	sub exists($) {
1126	my ($login) = @_;	1321	my ($login) = @_;
1127		1322
1128	$cf::PLAYER{$login}	1323	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1324	or cf::sync_job { !aio_stat path $login }
1130	}	1325	}
1131		1326
1132	sub find($) {	1327	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1328	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1329	my $login = $_[0];
1135		1330
1136	my $guard = cf::lock_acquire "user_find:$login";	1331	my $guard = cf::lock_acquire "user_find:$login";
1137		1332
1138	$cf::PLAYER{$_[0]} || do {	1333	$cf::PLAYER{$_[0]} || do {
1139	my $pl = load_pl path $login	1334	# rename old playerfiles to new ones
		1335	#TODO: remove when no longer required
		1336	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1337	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1338	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1339	aio_unlink +(playerdir $login) . "/$login.pl";
		1340
		1341	my $f = new_from_file cf::object::thawer path $login
1140	or return;	1342	or return;
		1343
		1344	$f->next;
		1345	my $pl = cf::player::load_pl $f
		1346	or return;
		1347	local $cf::PLAYER_LOADING{$login} = $pl;
		1348	$f->resolve_delayed_derefs;
1141	$cf::PLAYER{$login} = $pl	1349	$cf::PLAYER{$login} = $pl
1142	}	1350	}
1143	}	1351	}
1144	}	1352	}
1145		1353
…		…
1155		1363
1156	aio_mkdir playerdir $pl, 0770;	1364	aio_mkdir playerdir $pl, 0770;
1157	$pl->{last_save} = $cf::RUNTIME;	1365	$pl->{last_save} = $cf::RUNTIME;
1158		1366
1159	$pl->save_pl ($path);	1367	$pl->save_pl ($path);
1160	Coro::cede;	1368	cf::cede_to_tick;
1161	}	1369	}
1162		1370
1163	sub new($) {	1371	sub new($) {
1164	my ($login) = @_;	1372	my ($login) = @_;
1165		1373
…		…
1171	$cf::PLAYER{$login} = $self;	1379	$cf::PLAYER{$login} = $self;
1172		1380
1173	$self	1381	$self
1174	}	1382	}
1175		1383
		1384	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1385
		1386	=cut
		1387
		1388	sub send_msg {
		1389	my $ns = shift->ns
		1390	or return;
		1391	$ns->send_msg (@_);
		1392	}
		1393
1176	=item $pl->quit_character	1394	=item $pl->quit_character
1177		1395
1178	Nukes the player without looking back. If logged in, the connection will	1396	Nukes the player without looking back. If logged in, the connection will
1179	be destroyed. May block for a long time.	1397	be destroyed. May block for a long time.
1180		1398
1181	=cut	1399	=cut
1182		1400
1183	sub quit_character {	1401	sub quit_character {
1184	my ($pl) = @_;	1402	my ($pl) = @_;
		1403
		1404	my $name = $pl->ob->name;
1185		1405
1186	$pl->{deny_save} = 1;	1406	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1407	$pl->password ("*"); # this should lock out the player until we nuked the dir
1188		1408
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1409	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1414	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1415	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1416	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1417	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1418	$pl->destroy;
		1419
		1420	my $prefix = qr<^~\Q$name\E/>;
		1421
		1422	# nuke player maps
		1423	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1424
1199	IO::AIO::aio_rmtree $temp;	1425	IO::AIO::aio_rmtree $temp;
		1426	}
		1427
		1428	=item $pl->kick
		1429
		1430	Kicks a player out of the game. This destroys the connection.
		1431
		1432	=cut
		1433
		1434	sub kick {
		1435	my ($pl, $kicker) = @_;
		1436
		1437	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1438	$pl->killer ("kicked");
		1439	$pl->ns->destroy;
1200	}	1440	}
1201		1441
1202	=item cf::player::list_logins	1442	=item cf::player::list_logins
1203		1443
1204	Returns am arrayref of all valid playernames in the system, can take a	1444	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1445	while and may block, so not sync_job-capable, ever.
1206		1446
1207	=cut	1447	=cut
1208		1448
1209	sub list_logins {	1449	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1450	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1451	or return [];
1212		1452
1213	my @logins;	1453	my @logins;
1214		1454
1215	for my $login (@$dirs) {	1455	for my $login (@$dirs) {
		1456	my $path = path $login;
		1457
		1458	# a .pst is a dead give-away for a valid player
		1459	unless (-e "$path.pst") {
1216	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1460	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1217	aio_read $fh, 0, 512, my $buf, 0 or next;	1461	aio_read $fh, 0, 512, my $buf, 0 or next;
1218	$buf !~ /^password -------------$/m or next; # official not-valid tag	1462	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1463	}
1219		1464
1220	utf8::decode $login;	1465	utf8::decode $login;
1221	push @logins, $login;	1466	push @logins, $login;
1222	}	1467	}
1223		1468
1224	\@logins	1469	\@logins
1225	}	1470	}
1226		1471
1227	=item $player->maps	1472	=item $player->maps
1228		1473
1229	Returns an arrayref of cf::path's of all maps that are private for this	1474	Returns an arrayref of map paths that are private for this
1230	player. May block.	1475	player. May block.
1231		1476
1232	=cut	1477	=cut
1233		1478
1234	sub maps($) {	1479	sub maps($) {
1235	my ($pl) = @_;	1480	my ($pl) = @_;
		1481
		1482	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1483
1237	my $files = aio_readdir playerdir $pl	1484	my $files = aio_readdir playerdir $pl
1238	or return;	1485	or return;
1239		1486
1240	my @paths;	1487	my @paths;
1241		1488
1242	for (@$files) {	1489	for (@$files) {
1243	utf8::decode $_;	1490	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1491	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1492	next unless /^$PATH_SEP/o;
1246		1493
1247	s/$PATH_SEP/\//g;	1494	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1495	}
1250		1496
1251	\@paths	1497	\@paths
1252	}	1498	}
1253		1499
		1500	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1501
		1502	Expand crossfire pod fragments into protocol xml.
		1503
		1504	=cut
		1505
		1506	sub expand_cfpod {
		1507	((my $self), (local $_)) = @_;
		1508
		1509	# escape & and <
		1510	s/&/&amp;/g;
		1511	s/(?<![BIUGHT])</&lt;/g;
		1512
		1513	# this is buggy, it needs to properly take care of nested <'s
		1514
		1515	1 while
		1516	# replace B<>, I<>, U<> etc.
		1517	s/B<([^\>]*)>/<b>$1<\/b>/
		1518	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1519	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1520	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1521	# replace G<male|female> tags
		1522	|| s{G<([^>|]*)\|([^>]*)>}{
		1523	$self->gender ? $2 : $1
		1524	}ge
		1525	# replace H<hint text>
		1526	|| s{H<([^\>]*)>}
		1527	{
		1528	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1529	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1530	"")
		1531	[$self->{hintmode}]
		1532	}ge;
		1533
		1534	# create single paragraphs (very hackish)
		1535	s/(?<=\S)\n(?=\w)/ /g;
		1536
		1537	# compress some whitespace
		1538	s/\s+\n/\n/g; # ws line-ends
		1539	s/\n\n+/\n/g; # double lines
		1540	s/^\n+//; # beginning lines
		1541	s/\n+$//; # ending lines
		1542
		1543	$_
		1544	}
		1545
		1546	sub hintmode {
		1547	$_[0]{hintmode} = $_[1] if @_ > 1;
		1548	$_[0]{hintmode}
		1549	}
		1550
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1551	=item $player->ext_reply ($msgid, @msg)
1255		1552
1256	Sends an ext reply to the player.	1553	Sends an ext reply to the player.
1257		1554
1258	=cut	1555	=cut
1259		1556
1260	sub ext_reply($$$%) {	1557	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1558	my ($self, $id, @msg) = @_;
1262		1559
1263	$msg{msgid} = $id;	1560	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1561	}
1267		1562
1268	package cf;	1563	=item $player->ext_msg ($type, @msg)
		1564
		1565	Sends an ext event to the client.
		1566
		1567	=cut
		1568
		1569	sub ext_msg($$@) {
		1570	my ($self, $type, @msg) = @_;
		1571
		1572	$self->ns->ext_msg ($type, @msg);
		1573	}
		1574
		1575	=head3 cf::region
		1576
		1577	=over 4
		1578
		1579	=cut
		1580
		1581	package cf::region;
		1582
		1583	=item cf::region::find_by_path $path
		1584
		1585	Tries to decuce the likely region for a map knowing only its path.
		1586
		1587	=cut
		1588
		1589	sub find_by_path($) {
		1590	my ($path) = @_;
		1591
		1592	my ($match, $specificity);
		1593
		1594	for my $region (list) {
		1595	if ($region->{match} && $path =~ $region->{match}) {
		1596	($match, $specificity) = ($region, $region->specificity)
		1597	if $region->specificity > $specificity;
		1598	}
		1599	}
		1600
		1601	$match
		1602	}
1269		1603
1270	=back	1604	=back
1271
1272		1605
1273	=head3 cf::map	1606	=head3 cf::map
1274		1607
1275	=over 4	1608	=over 4
1276		1609
…		…
1279	package cf::map;	1612	package cf::map;
1280		1613
1281	use Fcntl;	1614	use Fcntl;
1282	use Coro::AIO;	1615	use Coro::AIO;
1283		1616
		1617	use overload
		1618	'""' => \&as_string,
		1619	fallback => 1;
		1620
1284	our $MAX_RESET = 3600;	1621	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1622	our $DEFAULT_RESET = 3000;
1286		1623
1287	sub generate_random_map {	1624	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1625	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1626	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1627	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1628	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1629	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1630	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1631	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1632	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1633	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1634	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1635	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1636	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1637	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1638	(cf::region::find $rmp->{region}), $rmp->{custom}
		1639	)
		1640	}
		1641
		1642	=item cf::map->register ($regex, $prio)
		1643
		1644	Register a handler for the map path matching the given regex at the
		1645	givne priority (higher is better, built-in handlers have priority 0, the
		1646	default).
		1647
		1648	=cut
		1649
		1650	sub register {
		1651	my (undef, $regex, $prio) = @_;
		1652	my $pkg = caller;
		1653
		1654	no strict;
		1655	push @{"$pkg\::ISA"}, __PACKAGE__;
		1656
		1657	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1658	}
		1659
		1660	# also paths starting with '/'
		1661	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1662
		1663	sub thawer_merge {
		1664	my ($self, $merge) = @_;
		1665
		1666	# we have to keep some variables in memory intact
		1667	local $self->{path};
		1668	local $self->{load_path};
		1669
		1670	$self->SUPER::thawer_merge ($merge);
		1671	}
		1672
		1673	sub normalise {
		1674	my ($path, $base) = @_;
		1675
		1676	$path = "$path"; # make sure its a string
		1677
		1678	$path =~ s/\.map$//;
		1679
		1680	# map plan:
		1681	#
		1682	# /! non-realised random map exit (special hack!)
		1683	# {... are special paths that are not being touched
		1684	# ?xxx/... are special absolute paths
		1685	# ?random/... random maps
		1686	# /... normal maps
		1687	# ~user/... per-player map of a specific user
		1688
		1689	$path =~ s/$PATH_SEP/\//go;
		1690
		1691	# treat it as relative path if it starts with
		1692	# something that looks reasonable
		1693	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1694	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1695
		1696	$base =~ s{[^/]+/?$}{};
		1697	$path = "$base/$path";
		1698	}
		1699
		1700	for ($path) {
		1701	redo if s{//}{/};
		1702	redo if s{/\.?/}{/};
		1703	redo if s{/[^/]+/\.\./}{/};
		1704	}
		1705
		1706	$path
		1707	}
		1708
		1709	sub new_from_path {
		1710	my (undef, $path, $base) = @_;
		1711
		1712	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1713
		1714	$path = normalise $path, $base;
		1715
		1716	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1717	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1718	my $self = bless cf::map::new, $pkg;
		1719	$self->{path} = $path; $self->path ($path);
		1720	$self->init; # pass $1 etc.
		1721	return $self;
		1722	}
		1723	}
		1724
		1725	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1726	()
		1727	}
		1728
		1729	sub init {
		1730	my ($self) = @_;
		1731
		1732	$self
		1733	}
		1734
		1735	sub as_string {
		1736	my ($self) = @_;
		1737
		1738	"$self->{path}"
		1739	}
		1740
		1741	# the displayed name, this is a one way mapping
		1742	sub visible_name {
		1743	&as_string
		1744	}
		1745
		1746	# the original (read-only) location
		1747	sub load_path {
		1748	my ($self) = @_;
		1749
		1750	"$MAPDIR/$self->{path}.map"
		1751	}
		1752
		1753	# the temporary/swap location
		1754	sub save_path {
		1755	my ($self) = @_;
		1756
		1757	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1758	"$TMPDIR/$path.map"
		1759	}
		1760
		1761	# the unique path, undef == no special unique path
		1762	sub uniq_path {
		1763	my ($self) = @_;
		1764
		1765	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1766	"$UNIQUEDIR/$path"
1304	}	1767	}
1305		1768
1306	# and all this just because we cannot iterate over	1769	# and all this just because we cannot iterate over
1307	# all maps in C++...	1770	# all maps in C++...
1308	sub change_all_map_light {	1771	sub change_all_map_light {
…		…
1310		1773
1311	$_->change_map_light ($change)	1774	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1775	for grep $_->outdoor, values %cf::MAP;
1313	}	1776	}
1314		1777
		1778	sub decay_objects {
		1779	my ($self) = @_;
		1780
		1781	return if $self->{deny_reset};
		1782
		1783	$self->do_decay_objects;
		1784	}
		1785
		1786	sub unlink_save {
		1787	my ($self) = @_;
		1788
		1789	utf8::encode (my $save = $self->save_path);
		1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1791	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1792	}
		1793
1315	sub try_load_header($) {	1794	sub load_header_from($) {
1316	my ($path) = @_;	1795	my ($self, $path) = @_;
1317		1796
1318	utf8::encode $path;	1797	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1798	my $f = new_from_file cf::object::thawer $path
1320	or return;	1799	or return;
1321		1800
1322	my $map = cf::map::new	1801	$self->_load_header ($f)
1323	or return;	1802	or return;
1324		1803
1325	# for better error messages only, will be overwritten	1804	local $MAP_LOADING{$self->{path}} = $self;
1326	$map->path ($path);	1805	$f->resolve_delayed_derefs;
1327		1806
1328	$map->load_header ($path)	1807	$self->{load_path} = $path;
		1808
		1809	1
		1810	}
		1811
		1812	sub load_header_orig {
		1813	my ($self) = @_;
		1814
		1815	$self->load_header_from ($self->load_path)
		1816	}
		1817
		1818	sub load_header_temp {
		1819	my ($self) = @_;
		1820
		1821	$self->load_header_from ($self->save_path)
		1822	}
		1823
		1824	sub prepare_temp {
		1825	my ($self) = @_;
		1826
		1827	$self->last_access ((delete $self->{last_access})
		1828	|| $cf::RUNTIME); #d#
		1829	# safety
		1830	$self->{instantiate_time} = $cf::RUNTIME
		1831	if $self->{instantiate_time} > $cf::RUNTIME;
		1832	}
		1833
		1834	sub prepare_orig {
		1835	my ($self) = @_;
		1836
		1837	$self->{load_original} = 1;
		1838	$self->{instantiate_time} = $cf::RUNTIME;
		1839	$self->last_access ($cf::RUNTIME);
		1840	$self->instantiate;
		1841	}
		1842
		1843	sub load_header {
		1844	my ($self) = @_;
		1845
		1846	if ($self->load_header_temp) {
		1847	$self->prepare_temp;
		1848	} else {
		1849	$self->load_header_orig
1329	or return;	1850	or return;
		1851	$self->prepare_orig;
		1852	}
1330		1853
1331	$map->{load_path} = $path;	1854	$self->{deny_reset} = 1
		1855	if $self->no_reset;
1332		1856
1333	$map	1857	$self->default_region (cf::region::find_by_path $self->{path})
		1858	unless $self->default_region;
		1859
		1860	1
1334	}	1861	}
1335		1862
1336	sub find;	1863	sub find;
1337	sub find {	1864	sub find {
1338	my ($path, $origin) = @_;	1865	my ($path, $origin) = @_;
1339		1866
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1867	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1868
		1869	cf::lock_wait "map_data:$path";#d#remove
1345	cf::lock_wait "map_find:$key";	1870	cf::lock_wait "map_find:$path";
1346		1871
1347	$cf::MAP{$key} || do {	1872	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1873	my $guard1 = cf::lock_acquire "map_find:$path";
		1874	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1349		1875
1350	# do it the slow way	1876	my $map = new_from_path cf::map $path
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1877	or return;
1369		1878
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1879	$map->{last_save} = $cf::RUNTIME;
1382		1880
1383	Coro::cede;	1881	$map->load_header
		1882	or return;
1384		1883
1385	if ($map->should_reset) {	1884	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1885	# doing this can freeze the server in a sync job, obviously
		1886	#$cf::WAIT_FOR_TICK->wait;
		1887	undef $guard1;
		1888	undef $guard2;
1386	$map->reset;	1889	$map->reset;
1387	undef $guard;
1388	$map = find $path	1890	return find $path;
1389	or return;
1390	}	1891	}
1391		1892
1392	$cf::MAP{$key} = $map	1893	$cf::MAP{$path} = $map
1393	}	1894	}
1394	}	1895	}
		1896
		1897	sub pre_load { }
		1898	sub post_load { }
1395		1899
1396	sub load {	1900	sub load {
1397	my ($self) = @_;	1901	my ($self) = @_;
1398		1902
		1903	local $self->{deny_reset} = 1; # loading can take a long time
		1904
1399	my $path = $self->{path};	1905	my $path = $self->{path};
		1906
		1907	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1908	my $guard = cf::lock_acquire "map_data:$path";
1401		1909
		1910	return unless $self->valid;
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1911	return unless $self->in_memory == cf::MAP_SWAPPED;
1403		1912
1404	$self->in_memory (cf::MAP_LOADING);	1913	$self->in_memory (cf::MAP_LOADING);
1405		1914
1406	$self->alloc;	1915	$self->alloc;
1407	$self->load_objects ($self->{load_path}, 1)	1916
		1917	$self->pre_load;
		1918	cf::cede_to_tick;
		1919
		1920	my $f = new_from_file cf::object::thawer $self->{load_path};
		1921	$f->skip_block;
		1922	$self->_load_objects ($f)
1408	or return;	1923	or return;
1409		1924
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1925	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1926	if delete $self->{load_original};
1412		1927
1413	if (my $uniq = $path->uniq_path) {	1928	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1929	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1930	unless (aio_stat $uniq) {
		1931	if (my $f = new_from_file cf::object::thawer $uniq) {
1416	$self->clear_unique_items;	1932	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1933	$self->_load_objects ($f);
		1934	$f->resolve_delayed_derefs;
		1935	}
1418	}	1936	}
1419	}	1937	}
1420		1938
1421	Coro::cede;	1939	$f->resolve_delayed_derefs;
1422		1940
		1941	cf::cede_to_tick;
1423	# now do the right thing for maps	1942	# now do the right thing for maps
1424	$self->link_multipart_objects;	1943	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1944	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1945	unless $self->difficulty;
		1946	cf::cede_to_tick;
		1947
		1948	unless ($self->{deny_activate}) {
		1949	$self->decay_objects;
		1950	$self->fix_auto_apply;
		1951	$self->update_buttons;
		1952	cf::cede_to_tick;
		1953	$self->set_darkness_map;
		1954	cf::cede_to_tick;
1436	$self->activate;	1955	$self->activate;
1437	}	1956	}
1438		1957
1439	Coro::cede;	1958	$self->{last_save} = $cf::RUNTIME;
		1959	$self->last_access ($cf::RUNTIME);
1440		1960
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1961	$self->in_memory (cf::MAP_IN_MEMORY);
		1962	}
		1963
		1964	$self->post_load;
		1965	}
		1966
		1967	sub customise_for {
		1968	my ($self, $ob) = @_;
		1969
		1970	return find "~" . $ob->name . "/" . $self->{path}
		1971	if $self->per_player;
		1972
		1973	# return find "?party/" . $ob->name . "/" . $self->{path}
		1974	# if $self->per_party;
		1975
		1976	$self
1442	}	1977	}
1443		1978
1444	# find and load all maps in the 3x3 area around a map	1979	# find and load all maps in the 3x3 area around a map
1445	sub load_diag {	1980	sub load_neighbours {
1446	my ($map) = @_;	1981	my ($map) = @_;
1447		1982
1448	my @diag; # diagonal neighbours	1983	my @neigh; # diagonal neighbours
1449		1984
1450	for (0 .. 3) {	1985	for (0 .. 3) {
1451	my $neigh = $map->tile_path ($_)	1986	my $neigh = $map->tile_path ($_)
1452	or next;	1987	or next;
1453	$neigh = find $neigh, $map	1988	$neigh = find $neigh, $map
1454	or next;	1989	or next;
1455	$neigh->load;	1990	$neigh->load;
1456		1991
		1992	push @neigh,
1457	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1993	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1458	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1994	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1459	}	1995	}
1460		1996
1461	for (@diag) {	1997	for (grep defined $_->[0], @neigh) {
		1998	my ($path, $origin) = @$_;
1462	my $neigh = find @$_	1999	my $neigh = find $path, $origin
1463	or next;	2000	or next;
1464	$neigh->load;	2001	$neigh->load;
1465	}	2002	}
1466	}	2003	}
1467		2004
…		…
1472	}	2009	}
1473		2010
1474	sub do_load_sync {	2011	sub do_load_sync {
1475	my ($map) = @_;	2012	my ($map) = @_;
1476		2013
		2014	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2015	if $Coro::current == $Coro::main;
		2016
1477	cf::sync_job { $map->load };	2017	cf::sync_job { $map->load };
1478	}	2018	}
1479		2019
1480	our %MAP_PREFETCH;	2020	our %MAP_PREFETCH;
		2021	our $MAP_PREFETCHER = undef;
		2022
		2023	sub find_async {
		2024	my ($path, $origin, $load) = @_;
		2025
		2026	$path = normalise $path, $origin && $origin->{path};
		2027
		2028	if (my $map = $cf::MAP{$path}) {
		2029	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2030	}
		2031
		2032	$MAP_PREFETCH{$path} |= $load;
		2033
1481	our $MAP_PREFETCHER = Coro::async {	2034	$MAP_PREFETCHER ||= cf::async {
1482	while () {
1483	while (%MAP_PREFETCH) {	2035	while (%MAP_PREFETCH) {
1484	my $key = each %MAP_PREFETCH	2036	while (my ($k, $v) = each %MAP_PREFETCH) {
1485	or next;	2037	if (my $map = find $k) {
		2038	$map->load if $v;
		2039	}
		2040
1486	my $path = delete $MAP_PREFETCH{$key};	2041	delete $MAP_PREFETCH{$k};
1487
1488	my $map = find $path
1489	or next;
1490	$map->load;
1491	}	2042	}
1492	Coro::schedule;	2043	}
		2044	undef $MAP_PREFETCHER;
1493	}	2045	};
1494	};
1495
1496	sub find_async {
1497	my ($path, $origin) = @_;
1498
1499	$path = new cf::path $path, $origin && $origin->path;
1500	my $key = $path->as_string;
1501
1502	if (my $map = $cf::MAP{$key}) {
1503	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1504	}
1505
1506	$MAP_PREFETCH{$key} = $path;
1507	$MAP_PREFETCHER->ready;	2046	$MAP_PREFETCHER->prio (6);
1508		2047
1509	()	2048	()
1510	}	2049	}
1511		2050
1512	sub save {	2051	sub save {
1513	my ($self) = @_;	2052	my ($self) = @_;
1514		2053
1515	my $lock = cf::lock_acquire "map_data:" . $self->path;	2054	my $lock = cf::lock_acquire "map_data:$self->{path}";
1516		2055
1517	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
1518		2057
1519	return unless $self->dirty;	2058	return unless $self->dirty;
1520		2059
1521	my $save = $self->{path}->save_path; utf8::encode $save;	2060	my $save = $self->save_path; utf8::encode $save;
1522	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2061	my $uniq = $self->uniq_path; utf8::encode $uniq;
1523		2062
1524	$self->{load_path} = $save;	2063	$self->{load_path} = $save;
1525		2064
1526	return if $self->{deny_save};	2065	return if $self->{deny_save};
1527		2066
…		…
1530	cf::async {	2069	cf::async {
1531	$_->contr->save for $self->players;	2070	$_->contr->save for $self->players;
1532	};	2071	};
1533		2072
1534	if ($uniq) {	2073	if ($uniq) {
1535	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2074	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1536	$self->save_objects ($uniq, cf::IO_UNIQUES);	2075	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1537	} else {	2076	} else {
1538	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2077	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1539	}	2078	}
1540	}	2079	}
1541		2080
1542	sub swap_out {	2081	sub swap_out {
1543	my ($self) = @_;	2082	my ($self) = @_;
1544		2083
1545	# save first because save cedes	2084	# save first because save cedes
1546	$self->save;	2085	$self->save;
1547		2086
1548	my $lock = cf::lock_acquire "map_data:" . $self->path;	2087	my $lock = cf::lock_acquire "map_data:$self->{path}";
1549		2088
1550	return if $self->players;	2089	return if $self->players;
1551	return if $self->in_memory != cf::MAP_IN_MEMORY;	2090	return if $self->in_memory != cf::MAP_IN_MEMORY;
1552	return if $self->{deny_save};	2091	return if $self->{deny_save};
1553		2092
		2093	$self->in_memory (cf::MAP_SWAPPED);
		2094
		2095	$self->deactivate;
		2096	$_->clear_links_to ($self) for values %cf::MAP;
1554	$self->clear;	2097	$self->clear;
1555	$self->in_memory (cf::MAP_SWAPPED);
1556	}	2098	}
1557		2099
1558	sub reset_at {	2100	sub reset_at {
1559	my ($self) = @_;	2101	my ($self) = @_;
1560		2102
1561	# TODO: safety, remove and allow resettable per-player maps	2103	# TODO: safety, remove and allow resettable per-player maps
1562	return 1e99 if $self->{path}{user_rel};
1563	return 1e99 if $self->{deny_reset};	2104	return 1e99 if $self->{deny_reset};
1564		2105
1565	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2106	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1566	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2107	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1567		2108
…		…
1572	my ($self) = @_;	2113	my ($self) = @_;
1573		2114
1574	$self->reset_at <= $cf::RUNTIME	2115	$self->reset_at <= $cf::RUNTIME
1575	}	2116	}
1576		2117
1577	sub unlink_save {
1578	my ($self) = @_;
1579
1580	utf8::encode (my $save = $self->{path}->save_path);
1581	aioreq_pri 3; IO::AIO::aio_unlink $save;
1582	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1583	}
1584
1585	sub rename {
1586	my ($self, $new_path) = @_;
1587
1588	$self->unlink_save;
1589
1590	delete $cf::MAP{$self->path};
1591	$self->{path} = new cf::path $new_path;
1592	$self->path ($self->{path}->as_string);
1593	$cf::MAP{$self->path} = $self;
1594
1595	$self->save;
1596	}
1597
1598	sub reset {	2118	sub reset {
1599	my ($self) = @_;	2119	my ($self) = @_;
1600		2120
1601	my $lock = cf::lock_acquire "map_data:" . $self->path;	2121	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2122
1603	return if $self->players;	2123	return if $self->players;
1604	return if $self->{path}{user_rel};#d#
1605		2124
1606	warn "resetting map ", $self->path;#d#	2125	warn "resetting map ", $self->path;
		2126
		2127	$self->in_memory (cf::MAP_SWAPPED);
		2128
		2129	# need to save uniques path
		2130	unless ($self->{deny_save}) {
		2131	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2132
		2133	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2134	if $uniq;
		2135	}
1607		2136
1608	delete $cf::MAP{$self->path};	2137	delete $cf::MAP{$self->path};
1609		2138
		2139	$self->deactivate;
1610	$_->clear_links_to ($self) for values %cf::MAP;	2140	$_->clear_links_to ($self) for values %cf::MAP;
		2141	$self->clear;
1611		2142
1612	$self->unlink_save;	2143	$self->unlink_save;
1613	$self->destroy;	2144	$self->destroy;
1614	}	2145	}
1615		2146
1616	my $nuke_counter = "aaaa";	2147	my $nuke_counter = "aaaa";
1617		2148
1618	sub nuke {	2149	sub nuke {
1619	my ($self) = @_;	2150	my ($self) = @_;
1620		2151
		2152	{
		2153	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2154
		2155	delete $cf::MAP{$self->path};
		2156
		2157	$self->unlink_save;
		2158
		2159	bless $self, "cf::map";
		2160	delete $self->{deny_reset};
1621	$self->{deny_save} = 1;	2161	$self->{deny_save} = 1;
1622	$self->reset_timeout (1);	2162	$self->reset_timeout (1);
1623	$self->rename ("{nuke}/" . ($nuke_counter++));	2163	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2164
		2165	$cf::MAP{$self->path} = $self;
		2166	}
		2167
1624	$self->reset; # polite request, might not happen	2168	$self->reset; # polite request, might not happen
1625	}	2169	}
1626		2170
1627	sub customise_for {	2171	=item $maps = cf::map::tmp_maps
1628	my ($map, $ob) = @_;
1629		2172
1630	if ($map->per_player) {	2173	Returns an arrayref with all map paths of currently instantiated and saved
1631	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2174	maps. May block.
		2175
		2176	=cut
		2177
		2178	sub tmp_maps() {
1632	}	2179	[
		2180	map {
		2181	utf8::decode $_;
		2182	/\.map$/
		2183	? normalise $_
		2184	: ()
		2185	} @{ aio_readdir $TMPDIR or [] }
		2186	]
		2187	}
1633		2188
1634	$map	2189	=item $maps = cf::map::random_maps
		2190
		2191	Returns an arrayref with all map paths of currently instantiated and saved
		2192	random maps. May block.
		2193
		2194	=cut
		2195
		2196	sub random_maps() {
		2197	[
		2198	map {
		2199	utf8::decode $_;
		2200	/\.map$/
		2201	? normalise "?random/$_"
		2202	: ()
		2203	} @{ aio_readdir $RANDOMDIR or [] }
		2204	]
		2205	}
		2206
		2207	=item cf::map::unique_maps
		2208
		2209	Returns an arrayref of paths of all shared maps that have
		2210	instantiated unique items. May block.
		2211
		2212	=cut
		2213
		2214	sub unique_maps() {
		2215	[
		2216	map {
		2217	utf8::decode $_;
		2218	/\.map$/
		2219	? normalise $_
		2220	: ()
		2221	} @{ aio_readdir $UNIQUEDIR or [] }
		2222	]
1635	}	2223	}
1636		2224
1637	package cf;	2225	package cf;
1638		2226
1639	=back	2227	=back
…		…
1657	map { $_, inv_recursive_ $_->inv } @_	2245	map { $_, inv_recursive_ $_->inv } @_
1658	}	2246	}
1659		2247
1660	sub inv_recursive {	2248	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2249	inv_recursive_ inv $_[0]
		2250	}
		2251
		2252	=item $ref = $ob->ref
		2253
		2254	creates and returns a persistent reference to an objetc that can be stored as a string.
		2255
		2256	=item $ob = cf::object::deref ($refstring)
		2257
		2258	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2259	even if the object actually exists. May block.
		2260
		2261	=cut
		2262
		2263	sub deref {
		2264	my ($ref) = @_;
		2265
		2266	# temporary compatibility#TODO#remove
		2267	$ref =~ s{^<}{player/<};
		2268
		2269	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2270	my ($uuid, $name) = ($1, $2);
		2271	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2272	or return;
		2273	$pl->ob->uuid eq $uuid
		2274	or return;
		2275
		2276	$pl->ob
		2277	} else {
		2278	warn "$ref: cannot resolve object reference\n";
		2279	undef
		2280	}
1662	}	2281	}
1663		2282
1664	package cf;	2283	package cf;
1665		2284
1666	=back	2285	=back
…		…
1685		2304
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2305	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2306
1688	if ($self->{record_replies}) {	2307	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2308	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2309
1690	} else {	2310	} else {
		2311	my $pl = $self->contr;
		2312
		2313	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2314	my $dialog = $pl->{npc_dialog};
		2315	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2316
		2317	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2318	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2319	$self->message ($msg, $flags);
		2320	}
1693	}	2321	}
		2322	}
		2323
		2324	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2325
		2326	=cut
		2327
		2328	sub cf::object::send_msg {
		2329	my $pl = shift->contr
		2330	or return;
		2331	$pl->send_msg (@_);
1694	}	2332	}
1695		2333
1696	=item $player_object->may ("access")	2334	=item $player_object->may ("access")
1697		2335
1698	Returns wether the given player is authorized to access resource "access"	2336	Returns wether the given player is authorized to access resource "access"
…		…
1711		2349
1712	=item $player_object->enter_link	2350	=item $player_object->enter_link
1713		2351
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2352	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2353
1716	The player should be reaosnably safe there for short amounts of time. You	2354	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	2355	I<MUST> call C<leave_link> as soon as possible, though.
1718		2356
		2357	Will never block.
		2358
1719	=item $player_object->leave_link ($map, $x, $y)	2359	=item $player_object->leave_link ($map, $x, $y)
1720		2360
1721	Moves the player out of the specila link map onto the given map. If the	2361	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2362	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2363	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2364	fails, to the emergency map position.
1725		2365
1726	Might block.	2366	Might block.
1727		2367
1728	=cut	2368	=cut
		2369
		2370	sub link_map {
		2371	unless ($LINK_MAP) {
		2372	$LINK_MAP = cf::map::find "{link}"
		2373	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2374	$LINK_MAP->load;
		2375	}
		2376
		2377	$LINK_MAP
		2378	}
1729		2379
1730	sub cf::object::player::enter_link {	2380	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2381	my ($self) = @_;
1732		2382
1733	$self->deactivate_recursive;	2383	$self->deactivate_recursive;
1734		2384
1735	return if $self->map == $LINK_MAP;	2385	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2386
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2387	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2388	if $self->map && $self->map->{path} ne "{link}";
1739		2389
1740	$self->enter_map ($LINK_MAP, 20, 20);	2390	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2391	}
1742		2392
1743	sub cf::object::player::leave_link {	2393	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2394	my ($self, $map, $x, $y) = @_;
		2395
		2396	return unless $self->contr->active;
1745		2397
1746	my $link_pos = delete $self->{_link_pos};	2398	my $link_pos = delete $self->{_link_pos};
1747		2399
1748	unless ($map) {	2400	unless ($map) {
1749	# restore original map position	2401	# restore original map position
…		…
1763	# use -1 or undef as default coordinates, not 0, 0	2415	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2416	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2417	if $x <=0 && $y <= 0;
1766		2418
1767	$map->load;	2419	$map->load;
1768	$map->load_diag;	2420	$map->load_neighbours;
1769		2421
1770	return unless $self->contr->active;	2422	return unless $self->contr->active;
1771	$self->activate_recursive;	2423	$self->activate_recursive;
		2424
		2425	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2426	$self->enter_map ($map, $x, $y);
1773	}	2427	}
1774		2428
1775	cf::player->attach (	2429	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2430
1779	# abort map switching before logout	2431	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2432	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2433	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2434	the new (success) or old (failed) map position. In either case, $done will
1783	};	2435	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2436
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2437	=cut
		2438
		2439	our $GOTOGEN;
1810		2440
1811	sub cf::object::player::goto {	2441	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2442	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2443
1814	$path = new cf::path $path;	2444	# do generation counting so two concurrent goto's will be executed in-order
1815	$path ne "/" or Carp::cluck ("oy");#d#	2445	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1816		2446
1817	$self->enter_link;	2447	$self->enter_link;
1818		2448
1819	(async {	2449	(async {
		2450	my $map = eval {
1820	my $map = cf::map::find $path->as_string;	2451	my $map = cf::map::find $path;
		2452
		2453	if ($map) {
1821	$map = $map->customise_for ($self) if $map;	2454	$map = $map->customise_for ($self);
1822		2455	$map = $check->($map) if $check && $map;
1823	# warn "entering ", $map->path, " at ($x, $y)\n"	2456	} else {
1824	# if $map;
1825
1826	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2457	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2458	}
1827		2459
		2460	$map
		2461	};
		2462
		2463	if ($@) {
		2464	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2465	LOG llevError | logBacktrace, Carp::longmess $@;
		2466	}
		2467
		2468	if ($gen == $self->{_goto_generation}) {
		2469	delete $self->{_goto_generation};
1828	$self->leave_link ($map, $x, $y);	2470	$self->leave_link ($map, $x, $y);
		2471	}
		2472
		2473	$done->() if $done;
1829	})->prio (1);	2474	})->prio (1);
1830	}	2475	}
1831		2476
1832	=item $player_object->enter_exit ($exit_object)	2477	=item $player_object->enter_exit ($exit_object)
1833		2478
…		…
1835		2480
1836	sub parse_random_map_params {	2481	sub parse_random_map_params {
1837	my ($spec) = @_;	2482	my ($spec) = @_;
1838		2483
1839	my $rmp = { # defaults	2484	my $rmp = { # defaults
1840	xsize => 10,	2485	xsize => (cf::rndm 15, 40),
1841	ysize => 10,	2486	ysize => (cf::rndm 15, 40),
		2487	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2488	#layout => string,
1842	};	2489	};
1843		2490
1844	for (split /\n/, $spec) {	2491	for (split /\n/, $spec) {
1845	my ($k, $v) = split /\s+/, $_, 2;	2492	my ($k, $v) = split /\s+/, $_, 2;
1846		2493
…		…
1850	$rmp	2497	$rmp
1851	}	2498	}
1852		2499
1853	sub prepare_random_map {	2500	sub prepare_random_map {
1854	my ($exit) = @_;	2501	my ($exit) = @_;
		2502
		2503	my $guard = cf::lock_acquire "exit_prepare:$exit";
1855		2504
1856	# all this does is basically replace the /! path by	2505	# all this does is basically replace the /! path by
1857	# a new random map path (?random/...) with a seed	2506	# a new random map path (?random/...) with a seed
1858	# that depends on the exit object	2507	# that depends on the exit object
1859		2508
1860	my $rmp = parse_random_map_params $exit->msg;	2509	my $rmp = parse_random_map_params $exit->msg;
1861		2510
1862	if ($exit->map) {	2511	if ($exit->map) {
1863	$rmp->{region} = $exit->map->region_name;	2512	$rmp->{region} = $exit->region->name;
1864	$rmp->{origin_map} = $exit->map->path;	2513	$rmp->{origin_map} = $exit->map->path;
1865	$rmp->{origin_x} = $exit->x;	2514	$rmp->{origin_x} = $exit->x;
1866	$rmp->{origin_y} = $exit->y;	2515	$rmp->{origin_y} = $exit->y;
1867	}	2516	}
1868		2517
1869	$rmp->{random_seed} ||= $exit->random_seed;	2518	$rmp->{random_seed} ||= $exit->random_seed;
1870		2519
1871	my $data = cf::to_json $rmp;	2520	my $data = cf::to_json $rmp;
1872	my $md5 = Digest::MD5::md5_hex $data;	2521	my $md5 = Digest::MD5::md5_hex $data;
		2522	my $meta = "$RANDOMDIR/$md5.meta";
1873		2523
1874	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2524	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1875	aio_write $fh, 0, (length $data), $data, 0;	2525	aio_write $fh, 0, (length $data), $data, 0;
		2526	undef $fh;
		2527	aio_rename "$meta~", $meta;
1876		2528
1877	$exit->slaying ("?random/$md5");	2529	$exit->slaying ("?random/$md5");
1878	$exit->msg (undef);	2530	$exit->msg (undef);
1879	}	2531	}
1880	}	2532	}
…		…
1882	sub cf::object::player::enter_exit {	2534	sub cf::object::player::enter_exit {
1883	my ($self, $exit) = @_;	2535	my ($self, $exit) = @_;
1884		2536
1885	return unless $self->type == cf::PLAYER;	2537	return unless $self->type == cf::PLAYER;
1886		2538
		2539	if ($exit->slaying eq "/!") {
		2540	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2541	# the problem is that $exit might not survive long enough
		2542	# so it needs to be done right now, right here
		2543	cf::sync_job { prepare_random_map $exit };
		2544	}
		2545
		2546	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2547	my $hp = $exit->stats->hp;
		2548	my $sp = $exit->stats->sp;
		2549
1887	$self->enter_link;	2550	$self->enter_link;
		2551
		2552	# if exit is damned, update players death & WoR home-position
		2553	$self->contr->savebed ($slaying, $hp, $sp)
		2554	if $exit->flag (FLAG_DAMNED);
1888		2555
1889	(async {	2556	(async {
1890	$self->deactivate_recursive; # just to be sure	2557	$self->deactivate_recursive; # just to be sure
1891	unless (eval {	2558	unless (eval {
1892	prepare_random_map $exit	2559	$self->goto ($slaying, $hp, $sp);
1893	if $exit->slaying eq "/!";
1894
1895	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1896	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1897		2560
1898	1;	2561	1;
1899	}) {	2562	}) {
1900	$self->message ("Something went wrong deep within the crossfire server. "	2563	$self->message ("Something went wrong deep within the crossfire server. "
1901	. "I'll try to bring you back to the map you were before. "	2564	. "I'll try to bring you back to the map you were before. "
1902	. "Please report this to the dungeon master",	2565	. "Please report this to the dungeon master!",
1903	cf::NDI_UNIQUE | cf::NDI_RED);	2566	cf::NDI_UNIQUE | cf::NDI_RED);
1904		2567
1905	warn "ERROR in enter_exit: $@";	2568	warn "ERROR in enter_exit: $@";
1906	$self->leave_link;	2569	$self->leave_link;
1907	}	2570	}
1908	})->prio (1);	2571	})->prio (1);
…		…
1921		2584
1922	sub cf::client::send_drawinfo {	2585	sub cf::client::send_drawinfo {
1923	my ($self, $text, $flags) = @_;	2586	my ($self, $text, $flags) = @_;
1924		2587
1925	utf8::encode $text;	2588	utf8::encode $text;
1926	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2589	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1927	}	2590	}
1928		2591
		2592	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2593
		2594	Send a drawinfo or msg packet to the client, formatting the msg for the
		2595	client if neccessary. C<$type> should be a string identifying the type of
		2596	the message, with C<log> being the default. If C<$color> is negative, suppress
		2597	the message unless the client supports the msg packet.
		2598
		2599	=cut
		2600
		2601	our %CHANNEL = (
		2602	"c/identify" => {
		2603	id => "identify",
		2604	title => "Identify",
		2605	reply => undef,
		2606	tooltip => "Items recently identified",
		2607	},
		2608	"c/examine" => {
		2609	id => "examine",
		2610	title => "Examine",
		2611	reply => undef,
		2612	tooltip => "Signs and other items you examined",
		2613	},
		2614	);
		2615
		2616	sub cf::client::send_msg {
		2617	my ($self, $channel, $msg, $color, @extra) = @_;
		2618
		2619	$msg = $self->pl->expand_cfpod ($msg);
		2620
		2621	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2622
		2623	# check predefined channels, for the benefit of C
		2624	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2625
		2626	if (ref $channel) {
		2627	# send meta info to client, if not yet sent
		2628	unless (exists $self->{channel}{$channel->{id}}) {
		2629	$self->{channel}{$channel->{id}} = $channel;
		2630	$self->ext_msg (channel_info => $channel)
		2631	if $self->can_msg;
		2632	}
		2633
		2634	$channel = $channel->{id};
		2635	}
		2636
		2637	return unless @extra || length $msg;
		2638
		2639	if ($self->can_msg) {
		2640	# default colour, mask it out
		2641	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2642	if $color & cf::NDI_DEF;
		2643
		2644	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2645	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2646	} else {
		2647	if ($color >= 0) {
		2648	# replace some tags by gcfclient-compatible ones
		2649	for ($msg) {
		2650	1 while
		2651	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2652	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2653	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2654	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2655	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2656	}
		2657
		2658	$color &= cf::NDI_COLOR_MASK;
		2659
		2660	utf8::encode $msg;
		2661
		2662	if (0 && $msg =~ /\[/) {
		2663	# COMMAND/INFO
		2664	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2665	} else {
		2666	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2667	$self->send_packet ("drawinfo $color $msg")
		2668	}
		2669	}
		2670	}
		2671	}
		2672
		2673	=item $client->ext_msg ($type, @msg)
		2674
		2675	Sends an ext event to the client.
		2676
		2677	=cut
		2678
		2679	sub cf::client::ext_msg($$@) {
		2680	my ($self, $type, @msg) = @_;
		2681
		2682	if ($self->extcmd == 2) {
		2683	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2684	} elsif ($self->extcmd == 1) { # TODO: remove
		2685	push @msg, msgtype => "event_$type";
		2686	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2687	}
		2688	}
		2689
		2690	=item $client->ext_reply ($msgid, @msg)
		2691
		2692	Sends an ext reply to the client.
		2693
		2694	=cut
		2695
		2696	sub cf::client::ext_reply($$@) {
		2697	my ($self, $id, @msg) = @_;
		2698
		2699	if ($self->extcmd == 2) {
		2700	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2701	} elsif ($self->extcmd == 1) {
		2702	#TODO: version 1, remove
		2703	unshift @msg, msgtype => "reply", msgid => $id;
		2704	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2705	}
		2706	}
1929		2707
1930	=item $success = $client->query ($flags, "text", \&cb)	2708	=item $success = $client->query ($flags, "text", \&cb)
1931		2709
1932	Queues a query to the client, calling the given callback with	2710	Queues a query to the client, calling the given callback with
1933	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2711	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1934	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2712	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1935		2713
1936	Queries can fail, so check the return code. Or don't, as queries will become	2714	Queries can fail, so check the return code. Or don't, as queries will
1937	reliable at some point in the future.	2715	become reliable at some point in the future.
1938		2716
1939	=cut	2717	=cut
1940		2718
1941	sub cf::client::query {	2719	sub cf::client::query {
1942	my ($self, $flags, $text, $cb) = @_;	2720	my ($self, $flags, $text, $cb) = @_;
…		…
1950	utf8::encode $text;	2728	utf8::encode $text;
1951	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2729	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1952		2730
1953	$self->send_packet ($self->{query_queue}[0][0])	2731	$self->send_packet ($self->{query_queue}[0][0])
1954	if @{ $self->{query_queue} } == 1;	2732	if @{ $self->{query_queue} } == 1;
		2733
		2734	1
1955	}	2735	}
1956		2736
1957	cf::client->attach (	2737	cf::client->attach (
		2738	on_connect => sub {
		2739	my ($ns) = @_;
		2740
		2741	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2742	},
1958	on_reply => sub {	2743	on_reply => sub {
1959	my ($ns, $msg) = @_;	2744	my ($ns, $msg) = @_;
1960		2745
1961	# this weird shuffling is so that direct followup queries	2746	# this weird shuffling is so that direct followup queries
1962	# get handled first	2747	# get handled first
1963	my $queue = delete $ns->{query_queue}	2748	my $queue = delete $ns->{query_queue}
1964	or return; # be conservative, not sure how that can happen, but we saw a crash here	2749	or return; # be conservative, not sure how that can happen, but we saw a crash here
1965		2750
1966	(shift @$queue)->[1]->($msg);	2751	(shift @$queue)->[1]->($msg);
		2752	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1967		2753
1968	push @{ $ns->{query_queue} }, @$queue;	2754	push @{ $ns->{query_queue} }, @$queue;
1969		2755
1970	if (@{ $ns->{query_queue} } == @$queue) {	2756	if (@{ $ns->{query_queue} } == @$queue) {
1971	if (@$queue) {	2757	if (@$queue) {
…		…
1973	} else {	2759	} else {
1974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2760	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1975	}	2761	}
1976	}	2762	}
1977	},	2763	},
		2764	on_exticmd => sub {
		2765	my ($ns, $buf) = @_;
		2766
		2767	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2768
		2769	if (ref $msg) {
		2770	my ($type, $reply, @payload) =
		2771	"ARRAY" eq ref $msg
		2772	? @$msg
		2773	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2774
		2775	my @reply;
		2776
		2777	if (my $cb = $EXTICMD{$type}) {
		2778	@reply = $cb->($ns, @payload);
		2779	}
		2780
		2781	$ns->ext_reply ($reply, @reply)
		2782	if $reply;
		2783
		2784	} else {
		2785	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2786	}
		2787
		2788	cf::override;
		2789	},
1978	);	2790	);
1979		2791
1980	=item $client->async (\&cb)	2792	=item $client->async (\&cb)
1981		2793
1982	Create a new coroutine, running the specified callback. The coroutine will	2794	Create a new coroutine, running the specified callback. The coroutine will
…		…
2023	our $safe = new Safe "safe";	2835	our $safe = new Safe "safe";
2024	our $safe_hole = new Safe::Hole;	2836	our $safe_hole = new Safe::Hole;
2025		2837
2026	$SIG{FPE} = 'IGNORE';	2838	$SIG{FPE} = 'IGNORE';
2027		2839
2028	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2840	$safe->permit_only (Opcode::opset qw(
		2841	:base_core :base_mem :base_orig :base_math
		2842	grepstart grepwhile mapstart mapwhile
		2843	sort time
		2844	));
2029		2845
2030	# here we export the classes and methods available to script code	2846	# here we export the classes and methods available to script code
2031		2847
2032	=pod	2848	=pod
2033		2849
2034	The following fucntions and emthods are available within a safe environment:	2850	The following functions and methods are available within a safe environment:
2035		2851
2036	cf::object contr pay_amount pay_player map	2852	cf::object
		2853	contr pay_amount pay_player map x y force_find force_add
		2854	insert remove name archname title slaying race decrease_ob_nr
		2855
2037	cf::object::player player	2856	cf::object::player
2038	cf::player peaceful	2857	player
2039	cf::map trigger	2858
		2859	cf::player
		2860	peaceful
		2861
		2862	cf::map
		2863	trigger
2040		2864
2041	=cut	2865	=cut
2042		2866
2043	for (	2867	for (
2044	["cf::object" => qw(contr pay_amount pay_player map)],	2868	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2869	insert remove inv name archname title slaying race
		2870	decrease_ob_nr)],
2045	["cf::object::player" => qw(player)],	2871	["cf::object::player" => qw(player)],
2046	["cf::player" => qw(peaceful)],	2872	["cf::player" => qw(peaceful)],
2047	["cf::map" => qw(trigger)],	2873	["cf::map" => qw(trigger)],
2048	) {	2874	) {
2049	no strict 'refs';	2875	no strict 'refs';
…		…
2120	=back	2946	=back
2121		2947
2122	=cut	2948	=cut
2123		2949
2124	#############################################################################	2950	#############################################################################
		2951	# the server's init and main functions
2125		2952
2126	=head2 EXTENSION DATABASE SUPPORT	2953	sub load_facedata($) {
		2954	my ($path) = @_;
2127		2955
2128	Crossfire maintains a very simple database for extension use. It can	2956	# HACK to clear player env face cache, we need some signal framework
2129	currently store anything that can be serialised using Storable, which	2957	# for this (global event?)
2130	excludes objects.	2958	%ext::player_env::MUSIC_FACE_CACHE = ();
2131		2959
2132	The parameter C<$family> should best start with the name of the extension	2960	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2133	using it, it should be unique.
2134		2961
2135	=over 4	2962	warn "loading facedata from $path\n";
2136		2963
2137	=item $hashref = cf::db_get $family	2964	my $facedata;
		2965	0 < aio_load $path, $facedata
		2966	or die "$path: $!";
2138		2967
2139	Return a hashref for use by the extension C<$family>, which can be	2968	$facedata = Coro::Storable::thaw $facedata;
2140	modified. After modifications, you have to call C<cf::db_dirty> or
2141	C<cf::db_sync>.
2142		2969
2143	=item $value = cf::db_get $family => $key	2970	$facedata->{version} == 2
		2971	or cf::cleanup "$path: version mismatch, cannot proceed.";
2144		2972
2145	Returns a single value from the database	2973	# patch in the exptable
2146		2974	$facedata->{resource}{"res/exp_table"} = {
2147	=item cf::db_put $family => $hashref	2975	type => FT_RSRC,
2148		2976	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2149	Stores the given family hashref into the database. Updates are delayed, if
2150	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2151
2152	=item cf::db_put $family => $key => $value
2153
2154	Stores the given C<$value> in the family hash. Updates are delayed, if you
2155	want the data to be synced to disk immediately, use C<cf::db_sync>.
2156
2157	=item cf::db_dirty
2158
2159	Marks the database as dirty, to be updated at a later time.
2160
2161	=item cf::db_sync
2162
2163	Immediately write the database to disk I<if it is dirty>.
2164
2165	=cut
2166
2167	our $DB;
2168
2169	{
2170	my $path = cf::localdir . "/database.pst";
2171
2172	sub db_load() {
2173	$DB = stat $path ? Storable::retrieve $path : { };
2174	}
2175
2176	my $pid;
2177
2178	sub db_save() {
2179	waitpid $pid, 0 if $pid;
2180	if (0 == ($pid = fork)) {
2181	$DB->{_meta}{version} = 1;
2182	Storable::nstore $DB, "$path~";
2183	rename "$path~", $path;
2184	cf::_exit 0 if defined $pid;
2185	}
2186	}
2187
2188	my $dirty;
2189
2190	sub db_sync() {
2191	db_save if $dirty;
2192	undef $dirty;
2193	}
2194
2195	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2196	db_sync;
2197	});	2977	};
		2978	cf::cede_to_tick;
2198		2979
2199	sub db_dirty() {
2200	$dirty = 1;
2201	$idle->start;
2202	}	2980	{
		2981	my $faces = $facedata->{faceinfo};
2203		2982
2204	sub db_get($;$) {	2983	while (my ($face, $info) = each %$faces) {
2205	@_ >= 2	2984	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2206	? $DB->{$_[0]}{$_[1]}	2985	cf::face::set_visibility $idx, $info->{visibility};
2207	: ($DB->{$_[0]} ||= { })	2986	cf::face::set_magicmap $idx, $info->{magicmap};
2208	}	2987	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2988	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2209		2989
2210	sub db_put($$;$) {	2990	cf::cede_to_tick;
2211	if (@_ >= 3) {
2212	$DB->{$_[0]}{$_[1]} = $_[2];
2213	} else {
2214	$DB->{$_[0]} = $_[1];
2215	}
2216	db_dirty;
2217	}
2218
2219	cf::global->attach (
2220	prio => 10000,
2221	on_cleanup => sub {
2222	db_sync;
2223	},	2991	}
2224	);
2225	}
2226		2992
2227	#############################################################################	2993	while (my ($face, $info) = each %$faces) {
2228	# the server's main()	2994	next unless $info->{smooth};
		2995	my $idx = cf::face::find $face
		2996	or next;
		2997	if (my $smooth = cf::face::find $info->{smooth}) {
		2998	cf::face::set_smooth $idx, $smooth;
		2999	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3000	} else {
		3001	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3002	}
2229		3003
2230	sub cfg_load {	3004	cf::cede_to_tick;
		3005	}
		3006	}
		3007
		3008	{
		3009	my $anims = $facedata->{animinfo};
		3010
		3011	while (my ($anim, $info) = each %$anims) {
		3012	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3013	cf::cede_to_tick;
		3014	}
		3015
		3016	cf::anim::invalidate_all; # d'oh
		3017	}
		3018
		3019	{
		3020	# TODO: for gcfclient pleasure, we should give resources
		3021	# that gcfclient doesn't grok a >10000 face index.
		3022	my $res = $facedata->{resource};
		3023
		3024	my $soundconf = delete $res->{"res/sound.conf"};
		3025
		3026	while (my ($name, $info) = each %$res) {
		3027	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3028	my $data;
		3029
		3030	if ($info->{type} & 1) {
		3031	# prepend meta info
		3032
		3033	my $meta = $enc->encode ({
		3034	name => $name,
		3035	%{ $info->{meta} || {} },
		3036	});
		3037
		3038	$data = pack "(w/a*)*", $meta, $info->{data};
		3039	} else {
		3040	$data = $info->{data};
		3041	}
		3042
		3043	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3044	cf::face::set_type $idx, $info->{type};
		3045
		3046	cf::cede_to_tick;
		3047	}
		3048
		3049	if ($soundconf) {
		3050	$soundconf = $enc->decode (delete $soundconf->{data});
		3051
		3052	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3053	my $sound = $soundconf->{compat}[$_]
		3054	or next;
		3055
		3056	my $face = cf::face::find "sound/$sound->[1]";
		3057	cf::sound::set $sound->[0] => $face;
		3058	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3059	}
		3060
		3061	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3062	my $face = cf::face::find "sound/$v";
		3063	cf::sound::set $k => $face;
		3064	}
		3065	}
		3066	}
		3067
		3068	1
		3069	}
		3070
		3071	register_exticmd fx_want => sub {
		3072	my ($ns, $want) = @_;
		3073
		3074	while (my ($k, $v) = each %$want) {
		3075	$ns->fx_want ($k, $v);
		3076	}
		3077	};
		3078
		3079	sub reload_regions {
		3080	# HACK to clear player env face cache, we need some signal framework
		3081	# for this (global event?)
		3082	%ext::player_env::MUSIC_FACE_CACHE = ();
		3083
		3084	load_resource_file "$MAPDIR/regions"
		3085	or die "unable to load regions file\n";
		3086
		3087	for (cf::region::list) {
		3088	$_->{match} = qr/$_->{match}/
		3089	if exists $_->{match};
		3090	}
		3091	}
		3092
		3093	sub reload_facedata {
		3094	load_facedata "$DATADIR/facedata"
		3095	or die "unable to load facedata\n";
		3096	}
		3097
		3098	sub reload_archetypes {
		3099	load_resource_file "$DATADIR/archetypes"
		3100	or die "unable to load archetypes\n";
		3101	#d# NEED to laod twice to resolve forward references
		3102	# this really needs to be done in an extra post-pass
		3103	# (which needs to be synchronous, so solve it differently)
		3104	load_resource_file "$DATADIR/archetypes"
		3105	or die "unable to load archetypes\n";
		3106	}
		3107
		3108	sub reload_treasures {
		3109	load_resource_file "$DATADIR/treasures"
		3110	or die "unable to load treasurelists\n";
		3111	}
		3112
		3113	sub reload_resources {
		3114	warn "reloading resource files...\n";
		3115
		3116	reload_regions;
		3117	reload_facedata;
		3118	#reload_archetypes;#d#
		3119	reload_archetypes;
		3120	reload_treasures;
		3121
		3122	warn "finished reloading resource files\n";
		3123	}
		3124
		3125	sub init {
		3126	reload_resources;
		3127	}
		3128
		3129	sub reload_config {
2231	open my $fh, "<:utf8", cf::confdir . "/config"	3130	open my $fh, "<:utf8", "$CONFDIR/config"
2232	or return;	3131	or return;
2233		3132
2234	local $/;	3133	local $/;
2235	*CFG = YAML::Syck::Load <$fh>;	3134	*CFG = YAML::Syck::Load <$fh>;
2236		3135
…		…
2250		3149
2251	sub main {	3150	sub main {
2252	# we must not ever block the main coroutine	3151	# we must not ever block the main coroutine
2253	local $Coro::idle = sub {	3152	local $Coro::idle = sub {
2254	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3153	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3154	(async {
2255	async { Event::one_event };	3155	Event::one_event;
		3156	})->prio (Coro::PRIO_MAX);
2256	};	3157	};
2257		3158
2258	cfg_load;	3159	reload_config;
2259	db_load;	3160	db_init;
2260	load_extensions;	3161	load_extensions;
		3162
		3163	$TICK_WATCHER->start;
2261	Event::loop;	3164	Event::loop;
2262	}	3165	}
2263		3166
2264	#############################################################################	3167	#############################################################################
2265	# initialisation and cleanup	3168	# initialisation and cleanup
2266		3169
2267	# install some emergency cleanup handlers	3170	# install some emergency cleanup handlers
2268	BEGIN {	3171	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	3172	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	3173	Event->signal (
		3174	reentrant => 0,
2271	data => WF_AUTOCANCEL,	3175	data => WF_AUTOCANCEL,
2272	signal => $signal,	3176	signal => $signal,
		3177	prio => 0,
2273	cb => sub {	3178	cb => sub {
2274	cf::cleanup "SIG$signal";	3179	cf::cleanup "SIG$signal";
2275	},	3180	},
2276	);	3181	);
2277	}	3182	}
2278	}	3183	}
2279		3184
		3185	sub write_runtime {
		3186	my $runtime = "$LOCALDIR/runtime";
		3187
		3188	# first touch the runtime file to show we are still running:
		3189	# the fsync below can take a very very long time.
		3190
		3191	IO::AIO::aio_utime $runtime, undef, undef;
		3192
		3193	my $guard = cf::lock_acquire "write_runtime";
		3194
		3195	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3196	or return;
		3197
		3198	my $value = $cf::RUNTIME + 90 + 10;
		3199	# 10 is the runtime save interval, for a monotonic clock
		3200	# 60 allows for the watchdog to kill the server.
		3201
		3202	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3203	and return;
		3204
		3205	# always fsync - this file is important
		3206	aio_fsync $fh
		3207	and return;
		3208
		3209	# touch it again to show we are up-to-date
		3210	aio_utime $fh, undef, undef;
		3211
		3212	close $fh
		3213	or return;
		3214
		3215	aio_rename "$runtime~", $runtime
		3216	and return;
		3217
		3218	warn "runtime file written.\n";
		3219
		3220	1
		3221	}
		3222
2280	sub emergency_save() {	3223	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3224	my $freeze_guard = cf::freeze_mainloop;
2282		3225
2283	warn "enter emergency perl save\n";	3226	warn "enter emergency perl save\n";
2284		3227
2285	cf::sync_job {	3228	cf::sync_job {
2286	# use a peculiar iteration method to avoid tripping on perl	3229	# use a peculiar iteration method to avoid tripping on perl
2287	# refcount bugs in for. also avoids problems with players	3230	# refcount bugs in for. also avoids problems with players
2288	# and maps saved/Destroyed asynchronously.	3231	# and maps saved/destroyed asynchronously.
2289	warn "begin emergency player save\n";	3232	warn "begin emergency player save\n";
2290	for my $login (keys %cf::PLAYER) {	3233	for my $login (keys %cf::PLAYER) {
2291	my $pl = $cf::PLAYER{$login} or next;	3234	my $pl = $cf::PLAYER{$login} or next;
2292	$pl->valid or next;	3235	$pl->valid or next;
2293	$pl->save;	3236	$pl->save;
…		…
2299	my $map = $cf::MAP{$path} or next;	3242	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3243	$map->valid or next;
2301	$map->save;	3244	$map->save;
2302	}	3245	}
2303	warn "end emergency map save\n";	3246	warn "end emergency map save\n";
		3247
		3248	warn "begin emergency database checkpoint\n";
		3249	BDB::db_env_txn_checkpoint $DB_ENV;
		3250	warn "end emergency database checkpoint\n";
2304	};	3251	};
2305		3252
2306	warn "leave emergency perl save\n";	3253	warn "leave emergency perl save\n";
2307	}	3254	}
2308		3255
		3256	sub post_cleanup {
		3257	my ($make_core) = @_;
		3258
		3259	warn Carp::longmess "post_cleanup backtrace"
		3260	if $make_core;
		3261	}
		3262
2309	sub reload() {	3263	sub do_reload_perl() {
2310	# can/must only be called in main	3264	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3265	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine\n";	3266	warn "can only reload from main coroutine";
2313	return;	3267	return;
2314	}	3268	}
2315		3269
2316	warn "reloading...";	3270	warn "reloading...";
2317		3271
2318	my $guard = freeze_mainloop;	3272	warn "entering sync_job";
		3273
		3274	cf::sync_job {
		3275	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	3276	cf::emergency_save;
		3277	cf::write_runtime; # external watchdog should not bark
2320		3278
2321	eval {	3279	warn "syncing database to disk";
		3280	BDB::db_env_txn_checkpoint $DB_ENV;
		3281
2322	# if anything goes wrong in here, we should simply crash as we already saved	3282	# if anything goes wrong in here, we should simply crash as we already saved
2323		3283
2324	# cancel all watchers	3284	warn "cancelling all WF_AUTOCANCEL watchers";
2325	for (Event::all_watchers) {	3285	for (Event::all_watchers) {
2326	$_->cancel if $_->data & WF_AUTOCANCEL;	3286	$_->cancel if $_->data & WF_AUTOCANCEL;
2327	}	3287	}
2328		3288
		3289	warn "flushing outstanding aio requests";
		3290	for (;;) {
		3291	BDB::flush;
		3292	IO::AIO::flush;
		3293	Coro::cede;
		3294	last unless IO::AIO::nreqs || BDB::nreqs;
		3295	warn "iterate...";
		3296	}
		3297
		3298	++$RELOAD;
		3299
2329	# cancel all extension coros	3300	warn "cancelling all extension coros";
2330	$_->cancel for values %EXT_CORO;	3301	$_->cancel for values %EXT_CORO;
2331	%EXT_CORO = ();	3302	%EXT_CORO = ();
2332		3303
2333	# unload all extensions	3304	warn "removing commands";
2334	for (@exts) {	3305	%COMMAND = ();
		3306
		3307	warn "removing ext/exti commands";
		3308	%EXTCMD = ();
		3309	%EXTICMD = ();
		3310
		3311	warn "unloading/nuking all extensions";
		3312	for my $pkg (@EXTS) {
2335	warn "unloading <$_>";	3313	warn "... unloading $pkg";
2336	unload_extension $_;	3314
		3315	if (my $cb = $pkg->can ("unload")) {
		3316	eval {
		3317	$cb->($pkg);
		3318	1
		3319	} or warn "$pkg unloaded, but with errors: $@";
2337	}	3320	}
2338		3321
		3322	warn "... nuking $pkg";
		3323	Symbol::delete_package $pkg;
		3324	}
		3325
2339	# unload all modules loaded from $LIBDIR	3326	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	3327	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3328	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		3329
2343	warn "removing <$k>";	3330	warn "... unloading $k";
2344	delete $INC{$k};	3331	delete $INC{$k};
2345		3332
2346	$k =~ s/\.pm$//;	3333	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	3334	$k =~ s/\//::/g;
2348		3335
…		…
2351	}	3338	}
2352		3339
2353	Symbol::delete_package $k;	3340	Symbol::delete_package $k;
2354	}	3341	}
2355		3342
2356	# sync database to disk
2357	cf::db_sync;
2358	IO::AIO::flush;
2359
2360	# get rid of safe::, as good as possible	3343	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3344	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3345	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3346
2364	# remove register_script_function callbacks
2365	# TODO
2366
2367	# unload cf.pm "a bit"	3347	warn "unloading cf.pm \"a bit\"";
2368	delete $INC{"cf.pm"};	3348	delete $INC{"cf.pm"};
		3349	delete $INC{"cf/pod.pm"};
2369		3350
2370	# don't, removes xs symbols, too,	3351	# don't, removes xs symbols, too,
2371	# and global variables created in xs	3352	# and global variables created in xs
2372	#Symbol::delete_package __PACKAGE__;	3353	#Symbol::delete_package __PACKAGE__;
2373		3354
2374	# reload cf.pm	3355	warn "unload completed, starting to reload now";
		3356
2375	warn "reloading cf.pm";	3357	warn "reloading cf.pm";
2376	require cf;	3358	require cf;
2377	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3359	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2378		3360
2379	# load config and database again	3361	warn "loading config and database again";
2380	cf::cfg_load;	3362	cf::reload_config;
2381	cf::db_load;
2382		3363
2383	# load extensions
2384	warn "load extensions";	3364	warn "loading extensions";
2385	cf::load_extensions;	3365	cf::load_extensions;
2386		3366
2387	# reattach attachments to objects	3367	warn "reattaching attachments to objects/players";
2388	warn "reattach";	3368	_global_reattach; # objects, sockets
2389	_global_reattach;	3369	warn "reattaching attachments to maps";
2390	reattach $_ for values %MAP;	3370	reattach $_ for values %MAP;
2391	};	3371	warn "reattaching attachments to players";
		3372	reattach $_ for values %PLAYER;
2392		3373
2393	if ($@) {	3374	warn "leaving sync_job";
		3375
		3376	1
		3377	} or do {
2394	warn $@;	3378	warn $@;
2395	warn "error while reloading, exiting.";	3379	warn "error while reloading, exiting.";
2396	exit 1;	3380	exit 1;
2397	}	3381	};
2398		3382
2399	warn "reloaded successfully";	3383	warn "reloaded";
2400	};	3384	};
2401		3385
2402	#############################################################################	3386	our $RELOAD_WATCHER; # used only during reload
2403		3387
2404	unless ($LINK_MAP) {	3388	sub reload_perl() {
2405	$LINK_MAP = cf::map::new;	3389	# doing reload synchronously and two reloads happen back-to-back,
		3390	# coro crashes during coro_state_free->destroy here.
2406		3391
2407	$LINK_MAP->width (41);	3392	$RELOAD_WATCHER ||= Event->timer (
2408	$LINK_MAP->height (41);	3393	reentrant => 0,
2409	$LINK_MAP->alloc;
2410	$LINK_MAP->path ("{link}");
2411	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2412	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2413
2414	# dirty hack because... archetypes are not yet loaded
2415	Event->timer (
2416	after => 10,	3394	after => 0,
		3395	data => WF_AUTOCANCEL,
2417	cb => sub {	3396	cb => sub {
2418	$_[0]->w->cancel;	3397	do_reload_perl;
2419		3398	undef $RELOAD_WATCHER;
2420	# provide some exits "home"
2421	my $exit = cf::object::new "exit";
2422
2423	$exit->slaying ($EMERGENCY_POSITION->[0]);
2424	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2425	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2426
2427	$LINK_MAP->insert ($exit->clone, 19, 19);
2428	$LINK_MAP->insert ($exit->clone, 19, 20);
2429	$LINK_MAP->insert ($exit->clone, 19, 21);
2430	$LINK_MAP->insert ($exit->clone, 20, 19);
2431	$LINK_MAP->insert ($exit->clone, 20, 21);
2432	$LINK_MAP->insert ($exit->clone, 21, 19);
2433	$LINK_MAP->insert ($exit->clone, 21, 20);
2434	$LINK_MAP->insert ($exit->clone, 21, 21);
2435
2436	$exit->destroy;
2437	});	3399	},
2438		3400	);
2439	$LINK_MAP->{deny_save} = 1;
2440	$LINK_MAP->{deny_reset} = 1;
2441
2442	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2443	}	3401	}
2444
2445	register "<global>", __PACKAGE__;
2446		3402
2447	register_command "reload" => sub {	3403	register_command "reload" => sub {
2448	my ($who, $arg) = @_;	3404	my ($who, $arg) = @_;
2449		3405
2450	if ($who->flag (FLAG_WIZ)) {	3406	if ($who->flag (FLAG_WIZ)) {
2451	$who->message ("start of reload.");
2452	reload;
2453	$who->message ("end of reload.");	3407	$who->message ("reloading server.");
		3408	async { reload_perl };
2454	}	3409	}
2455	};	3410	};
2456		3411
2457	unshift @INC, $LIBDIR;	3412	unshift @INC, $LIBDIR;
2458		3413
		3414	my $bug_warning = 0;
		3415
		3416	our @WAIT_FOR_TICK;
		3417	our @WAIT_FOR_TICK_BEGIN;
		3418
		3419	sub wait_for_tick {
		3420	return unless $TICK_WATCHER->is_active;
		3421	return if $Coro::current == $Coro::main;
		3422
		3423	my $signal = new Coro::Signal;
		3424	push @WAIT_FOR_TICK, $signal;
		3425	$signal->wait;
		3426	}
		3427
		3428	sub wait_for_tick_begin {
		3429	return unless $TICK_WATCHER->is_active;
		3430	return if $Coro::current == $Coro::main;
		3431
		3432	my $signal = new Coro::Signal;
		3433	push @WAIT_FOR_TICK_BEGIN, $signal;
		3434	$signal->wait;
		3435	}
		3436
		3437	my $min = 1e6;#d#
		3438	my $avg = 10;
2459	$TICK_WATCHER = Event->timer (	3439	$TICK_WATCHER = Event->timer (
2460	reentrant => 0,	3440	reentrant => 0,
		3441	parked => 1,
2461	prio => 0,	3442	prio => 0,
2462	at => $NEXT_TICK || $TICK,	3443	at => $NEXT_TICK || $TICK,
2463	data => WF_AUTOCANCEL,	3444	data => WF_AUTOCANCEL,
2464	cb => sub {	3445	cb => sub {
		3446	if ($Coro::current != $Coro::main) {
		3447	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3448	unless ++$bug_warning > 10;
		3449	return;
		3450	}
		3451
		3452	$NOW = $tick_start = Event::time;
		3453
2465	cf::server_tick; # one server iteration	3454	cf::server_tick; # one server iteration
		3455
		3456	0 && sync_job {#d#
		3457	for(1..10) {
		3458	my $t = Event::time;
		3459	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3460	or die;
		3461
		3462	$map->width (50);
		3463	$map->height (50);
		3464	$map->alloc;
		3465	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3466	my $t = Event::time - $t;
		3467
		3468	#next unless $t < 0.0013;#d#
		3469	if ($t < $min) {
		3470	$min = $t;
		3471	}
		3472	$avg = $avg * 0.99 + $t * 0.01;
		3473	}
		3474	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3475	exit 0;
		3476	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3477	};
		3478
2466	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2467	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2468		3481
2469	$WAIT_FOR_TICK->broadcast;	3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2470	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3483	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3484	Coro::async_pool {
		3485	write_runtime
		3486	or warn "ERROR: unable to write runtime file: $!";
		3487	};
		3488	}
		3489
		3490	# my $AFTER = Event::time;
		3491	# warn $AFTER - $NOW;#d#
		3492
		3493	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3494	$sig->send;
		3495	}
		3496	while (my $sig = shift @WAIT_FOR_TICK) {
		3497	$sig->send;
		3498	}
		3499
		3500	$NOW = Event::time;
2471		3501
2472	# if we are delayed by four ticks or more, skip them all	3502	# if we are delayed by four ticks or more, skip them all
2473	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3503	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2474		3504
2475	$TICK_WATCHER->at ($NEXT_TICK);	3505	$TICK_WATCHER->at ($NEXT_TICK);
2476	$TICK_WATCHER->start;	3506	$TICK_WATCHER->start;
		3507
		3508	$LOAD = ($NOW - $tick_start) / $TICK;
		3509	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3510
		3511	_post_tick;
		3512
		3513
2477	},	3514	},
2478	);	3515	);
2479		3516
		3517	{
2480	IO::AIO::max_poll_time $TICK * 0.2;	3518	BDB::max_poll_time $TICK * 0.1;
2481		3519	$BDB_POLL_WATCHER = Event->io (
2482	Event->io (	3520	reentrant => 0,
2483	fd => IO::AIO::poll_fileno,	3521	fd => BDB::poll_fileno,
2484	poll => 'r',	3522	poll => 'r',
2485	prio => 5,	3523	prio => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => \&IO::AIO::poll_cb,
2488	);
2489
2490	Event->timer (
2491	data => WF_AUTOCANCEL,	3524	data => WF_AUTOCANCEL,
2492	after => 0,	3525	cb => \&BDB::poll_cb,
2493	interval => 10,	3526	);
2494	cb => sub {	3527	BDB::min_parallel 8;
2495	(Coro::unblock_sub {	3528
2496	write_runtime	3529	BDB::set_sync_prepare {
2497	or warn "ERROR: unable to write runtime file: $!";	3530	my $status;
		3531	my $current = $Coro::current;
		3532	(
		3533	sub {
		3534	$status = $!;
		3535	$current->ready; undef $current;
		3536	},
		3537	sub {
		3538	Coro::schedule while defined $current;
		3539	$! = $status;
		3540	},
		3541	)
		3542	};
		3543
		3544	unless ($DB_ENV) {
		3545	$DB_ENV = BDB::db_env_create;
		3546
		3547	cf::sync_job {
		3548	eval {
		3549	BDB::db_env_open
		3550	$DB_ENV,
		3551	$BDBDIR,
		3552	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3553	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3554	0666;
		3555
		3556	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3557
		3558	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3559	$DB_ENV->set_lk_detect;
		3560	};
		3561
		3562	cf::cleanup "db_env_open(db): $@" if $@;
2498	})->();	3563	};
2499	},	3564	}
2500	);	3565	}
		3566
		3567	{
		3568	IO::AIO::min_parallel 8;
		3569
		3570	undef $Coro::AIO::WATCHER;
		3571	IO::AIO::max_poll_time $TICK * 0.1;
		3572	$AIO_POLL_WATCHER = Event->io (
		3573	reentrant => 0,
		3574	data => WF_AUTOCANCEL,
		3575	fd => IO::AIO::poll_fileno,
		3576	poll => 'r',
		3577	prio => 6,
		3578	cb => \&IO::AIO::poll_cb,
		3579	);
		3580	}
		3581
		3582	my $_log_backtrace;
		3583
		3584	sub _log_backtrace {
		3585	my ($msg, @addr) = @_;
		3586
		3587	$msg =~ s/\n//;
		3588
		3589	# limit the # of concurrent backtraces
		3590	if ($_log_backtrace < 2) {
		3591	++$_log_backtrace;
		3592	async {
		3593	my @bt = fork_call {
		3594	@addr = map { sprintf "%x", $_ } @addr;
		3595	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3596	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3597	or die "addr2line: $!";
		3598
		3599	my @funcs;
		3600	my @res = <$fh>;
		3601	chomp for @res;
		3602	while (@res) {
		3603	my ($func, $line) = splice @res, 0, 2, ();
		3604	push @funcs, "[$func] $line";
		3605	}
		3606
		3607	@funcs
		3608	};
		3609
		3610	LOG llevInfo, "[ABT] $msg\n";
		3611	LOG llevInfo, "[ABT] $_\n" for @bt;
		3612	--$_log_backtrace;
		3613	};
		3614	} else {
		3615	LOG llevInfo, "[ABT] $msg\n";
		3616	LOG llevInfo, "[ABT] [suppressed]\n";
		3617	}
		3618	}
		3619
		3620	# load additional modules
		3621	use cf::pod;
2501		3622
2502	END { cf::emergency_save }	3623	END { cf::emergency_save }
2503		3624
2504	1	3625	1
2505		3626

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