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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.210 by root, Mon Feb 12 01:32:49 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 3.5 ();	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 ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
24	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	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
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$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
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	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(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		83
59	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
…		…
62	our %CFG;	87	our %CFG;
63		88
64	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	90	our $RUNTIME;
66		91
67	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		95
76	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $tick_start; # for load detecting purposes
		102
79	binmode STDOUT;	103	binmode STDOUT;
80	binmode STDERR;	104	binmode STDERR;
81		105
82	# read virtual server time, if available	106	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
87	}	111	}
88		112
89	mkdir cf::localdir;	113	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		115
96	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
97		117
98	sub cf::map::normalise;	118	sub cf::map::normalise;
99		119
…		…
110	=item $cf::RUNTIME	130	=item $cf::RUNTIME
111		131
112	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
113	every server tick.	133	every server tick.
114		134
115	=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
116		138
117	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		143
120	=item $cf::NOW	144	=item $cf::NOW
121		145
122	The time of the last (current) server tick.	146	The time of the last (current) server tick.
123		147
124	=item $cf::TICK	148	=item $cf::TICK
125		149
126	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.
127		161
128	=item %cf::CFG	162	=item %cf::CFG
129		163
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	165	from wherever your confdir points to.
132		166
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		168
135	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
136	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
137	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.
138	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.
139		178
140	=back	179	=back
141		180
142	=cut	181	=cut
143		182
144	BEGIN {	183	BEGIN {
145	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	185	my $msg = join "", @_;
147	utf8::encode $msg;
148		186
149	$msg .= "\n"	187	$msg .= "\n"
150	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151		191
152	LOG llevError, $msg;	192	LOG llevError, $msg;
153	};	193	};
154	}	194	}
155		195
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		203
163	# 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
164	# within the Safe compartment.	205	# within the Safe compartment.
165	for my $pkg (qw(	206	for my $pkg (qw(
166	cf::global cf::attachable	207	cf::global cf::attachable
…		…
174	}	215	}
175		216
176	$Event::DIED = sub {	217	$Event::DIED = sub {
177	warn "error in event callback: @_";	218	warn "error in event callback: @_";
178	};	219	};
		220
		221	#############################################################################
179		222
180	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
181		224
182	=over 4	225	=over 4
183		226
…		…
202	$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;
203	$d	246	$d
204	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
205	}	248	}
206		249
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
210		251
211	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
212		253
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
221		255
222	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
223		257
224	=cut	258	=cut
225		259
226	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
228	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
230		264
231	=item cf::lock_wait $string	265	=item cf::lock_wait $string
232		266
233	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
234		268
…		…
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	273	for example when the coroutine gets canceled), the lock is automatically
240	returned.	274	returned.
241		275
		276	Locks are *not* recursive, locking from the same coro twice results in a
		277	deadlocked coro.
		278
242	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
243	uses map_find and cf::map::load uses map_load).	280	uses map_find and cf::map::load uses map_load).
244		281
		282	=item $locked = cf::lock_active $string
		283
		284	Return true if the lock is currently active, i.e. somebody has locked it.
		285
245	=cut	286	=cut
246		287
247	our %LOCK;	288	our %LOCK;
		289	our %LOCKER;#d#
248		290
249	sub lock_wait($) {	291	sub lock_wait($) {
250	my ($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#
251		298
252	# wait for lock, if any	299	# wait for lock, if any
253	while ($LOCK{$key}) {	300	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	301	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	302	Coro::schedule;
…		…
261		308
262	# wait, to be sure we are not locked	309	# wait, to be sure we are not locked
263	lock_wait $key;	310	lock_wait $key;
264		311
265	$LOCK{$key} = [];	312	$LOCK{$key} = [];
		313	$LOCKER{$key} = $Coro::current;#d#
266		314
267	Coro::guard {	315	Coro::guard {
		316	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	317	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	318	$_->ready for @{ delete $LOCK{$key} };
270	}	319	}
271	}	320	}
272		321
		322	sub lock_active($) {
		323	my ($key) = @_;
		324
		325	! ! $LOCK{$key}
		326	}
		327
273	sub freeze_mainloop {	328	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	329	return unless $TICK_WATCHER->is_active;
275		330
276	my $guard = Coro::guard {	331	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	332	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	333	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	334	$TICK_WATCHER->stop;
282	$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;
283	}	392	}
284		393
285	=item cf::async { BLOCK }	394	=item cf::async { BLOCK }
286		395
287	Currently the same as Coro::async_pool, meaning you cannot use	396	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		401
293	BEGIN { *async = \&Coro::async_pool }	402	BEGIN { *async = \&Coro::async_pool }
294		403
295	=item cf::sync_job { BLOCK }	404	=item cf::sync_job { BLOCK }
296		405
297	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)
298	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
299	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.
300		410
301	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
302	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
303	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
304	fast or be very important.	414	fast or be very important.
…		…
307		417
308	sub sync_job(&) {	418	sub sync_job(&) {
309	my ($job) = @_;	419	my ($job) = @_;
310		420
311	if ($Coro::current == $Coro::main) {	421	if ($Coro::current == $Coro::main) {
		422	my $time = Event::time;
		423
312	# this is the main coro, too bad, we have to block	424	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	425	# till the operation succeeds, freezing the server :/
314		426
315	# TODO: use suspend/resume instead	427	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	428	# (but this is cancel-safe)
…		…
327		439
328	while ($busy) {	440	while ($busy) {
329	Coro::cede or Event::one_event;	441	Coro::cede or Event::one_event;
330	}	442	}
331		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
332	wantarray ? @res : $res[0]	451	wantarray ? @res : $res[0]
333	} else {	452	} else {
334	# we are in another coroutine, how wonderful, everything just works	453	# we are in another coroutine, how wonderful, everything just works
335		454
336	$job->()	455	$job->()
…		…
355	$EXT_CORO{$coro+0} = $coro;	474	$EXT_CORO{$coro+0} = $coro;
356		475
357	$coro	476	$coro
358	}	477	}
359		478
360	sub write_runtime {	479	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		480
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	481	Executes the given code block with the given arguments in a seperate
364	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.
365		485
366	my $value = $cf::RUNTIME + 90 + 10;	486	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		487
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	488	sub fork_call(&@) {
371	and return;	489	my ($cb, @args) = @_;
372		490
373	# always fsync - this file is important	491	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	492	# otherwise perl prematurely frees the stuff :/
375	and return;	493	# TODO: investigate and fix (likely this will be rather laborious)
376		494
377	close $fh	495	my @res = Coro::Util::fork_eval {
378	or return;	496	reset_signals;
		497	&$cb
		498	}, @args;
379		499
380	aio_rename "$runtime~", $runtime	500	wantarray ? @res : $res[-1]
381	and return;	501	}
382		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	};
383	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 });
384	}	628	}
385		629
386	=back	630	=back
387		631
388	=cut	632	=cut
…		…
395	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")
396	to it. All such attachable objects support the following methods.	640	to it. All such attachable objects support the following methods.
397		641
398	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>
399	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
400	crossfire+).	644	Crossfire TRT).
401		645
402	=over 4	646	=over 4
403		647
404	=item $attachable->attach ($attachment, key => $value...)	648	=item $attachable->attach ($attachment, key => $value...)
405		649
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	812	$registry = $CB_TYPE[$object_type] ||= [];
569		813
570	} elsif ($type eq "subtype") {	814	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	815	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	816	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	817	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		818
575	} elsif ($type eq "package") {	819	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	820	my $pkg = shift @arg;
577		821
578	while (my ($name, $id) = each %cb_id) {	822	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	851	_attach $registry, $klass, @attach;
608	}	852	}
609		853
610	$obj->{$name} = \%arg;	854	$obj->{$name} = \%arg;
611	} else {	855	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	856	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	857	}
614		858
615	$obj->{_attachment}{$name} = undef;	859	$obj->{_attachment}{$name} = undef;
616	}	860	}
617		861
…		…
619	if (ref $_[0]) {	863	if (ref $_[0]) {
620	_object_attach @_;	864	_object_attach @_;
621	} else {	865	} else {
622	_attach shift->_attach_registry, @_;	866	_attach shift->_attach_registry, @_;
623	}	867	}
		868	_recalc_want;
624	};	869	};
625		870
626	# all those should be optimised	871	# all those should be optimised
627	sub cf::attachable::detach {	872	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	873	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	876	delete $obj->{_attachment}{$name};
632	reattach ($obj);	877	reattach ($obj);
633	} else {	878	} else {
634	Carp::croak "cannot, currently, detach class attachments";	879	Carp::croak "cannot, currently, detach class attachments";
635	}	880	}
		881	_recalc_want;
636	};	882	};
637		883
638	sub cf::attachable::attached {	884	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	885	my ($obj, $name) = @_;
640		886
…		…
655	";	901	";
656	die if $@;	902	die if $@;
657	}	903	}
658		904
659	our $override;	905	our $override;
660	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?
661		907
662	sub override {	908	sub override {
663	$override = 1;	909	$override = 1;
664	@invoke_results = ();	910	@INVOKE_RESULTS = (@_);
665	}	911	}
666		912
667	sub do_invoke {	913	sub do_invoke {
668	my $event = shift;	914	my $event = shift;
669	my $callbacks = shift;	915	my $callbacks = shift;
670		916
671	@invoke_results = ();	917	@INVOKE_RESULTS = ();
672		918
673	local $override;	919	local $override;
674		920
675	for (@$callbacks) {	921	for (@$callbacks) {
676	eval { &{$_->[1]} };	922	eval { &{$_->[1]} };
…		…
693		939
694	Generate an object-specific event with the given arguments.	940	Generate an object-specific event with the given arguments.
695		941
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	944	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		945
700	=back	946	=back
701		947
702	=cut	948	=cut
703		949
704	#############################################################################	950	#############################################################################
705	# 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	}
706		963
707	sub reattach {	964	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	965	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	966	my ($obj) = @_;
710		967
…		…
755	);	1012	);
756		1013
757	sub object_freezer_save {	1014	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1015	my ($filename, $rdata, $objs) = @_;
759		1016
		1017	my $guard = cf::lock_acquire "io";
		1018
760	sync_job {	1019	sync_job {
761	if (length $$rdata) {	1020	if (length $$rdata) {
		1021	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1023	$decname, length $$rdata, scalar @$objs;
764		1024
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1028	aio_fsync $fh if $cf::USE_FSYNC;
…		…
787	}	1047	}
788	} else {	1048	} else {
789	aio_unlink $filename;	1049	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
791	}	1051	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1052	};
		1053
		1054	undef $guard;
799	}	1055	}
800		1056
801	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
803		1059
…		…
809	sub object_thawer_load {	1065	sub object_thawer_load {
810	my ($filename) = @_;	1066	my ($filename) = @_;
811		1067
812	my ($data, $av);	1068	my ($data, $av);
813		1069
814	#d#TODO remove .map if file does not exist	1070	my $guard = cf::lock_acquire "io";
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1071
817	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
818	or return;	1073	or return;
819		1074
820	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
822	or return;	1077	or return;
		1078
		1079	undef $guard;
823	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
824	}	1081	}
825		1082
		1083	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1084	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1085	$decname, length $data, scalar @{$av || []};
		1086
828	return ($data, $av);	1087	($data, $av)
829	}	1088	}
		1089
		1090	=head2 COMMAND CALLBACKS
		1091
		1092	=over 4
		1093
		1094	=cut
830		1095
831	#############################################################################	1096	#############################################################################
832	# command handling &c	1097	# command handling &c
833		1098
834	=item cf::register_command $name => \&callback($ob,$args);	1099	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1112	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1113	}
849		1114
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1115	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1116
852	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.
853		1122
854	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
855	called.	1124	called.
856		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
857	=cut	1137	=cut
858		1138
859	sub register_extcmd {	1139	sub register_extcmd {
860	my ($name, $cb) = @_;	1140	my ($name, $cb) = @_;
861		1141
862	$EXTCMD{$name} = $cb;	1142	$EXTCMD{$name} = $cb;
		1143	}
		1144
		1145	sub register_exticmd {
		1146	my ($name, $cb) = @_;
		1147
		1148	$EXTICMD{$name} = $cb;
863	}	1149	}
864		1150
865	cf::player->attach (	1151	cf::player->attach (
866	on_command => sub {	1152	on_command => sub {
867	my ($pl, $name, $params) = @_;	1153	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1162	cf::override;
877	},	1163	},
878	on_extcmd => sub {	1164	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1165	my ($pl, $buf) = @_;
880		1166
881	my $msg = eval { from_json $buf };	1167	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1168
883	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
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1177	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1178	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1179	}
		1180
		1181	$pl->ext_reply ($reply, @reply)
		1182	if $reply;
		1183
889	} else {	1184	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1185	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1186	}
892		1187
893	cf::override;	1188	cf::override;
894	},	1189	},
895	);	1190	);
896		1191
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1192	sub load_extensions {
		1193	cf::sync_job {
		1194	my %todo;
		1195
932	for my $ext (<$LIBDIR/*.ext>) {	1196	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1197	next unless -r $path;
934	eval {	1198
935	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;
936	1	1256	}
937	} or warn "$ext not loaded: $@";	1257
		1258	skip:
		1259	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1260	unless $progress;
		1261	}
938	}	1262	};
939	}	1263	}
940		1264
941	#############################################################################	1265	#############################################################################
942		1266
		1267	=back
		1268
943	=head2 CORE EXTENSIONS	1269	=head2 CORE EXTENSIONS
944		1270
945	Functions and methods that extend core crossfire objects.	1271	Functions and methods that extend core crossfire objects.
946		1272
947	=cut	1273	=cut
…		…
952		1278
953	=head3 cf::player	1279	=head3 cf::player
954		1280
955	=over 4	1281	=over 4
956		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
957	=item cf::player::find $login	1297	=item cf::player::find $login
958		1298
959	Returns the given player object, loading it if necessary (might block).	1299	Returns the given player object, loading it if necessary (might block).
960		1300
961	=cut	1301	=cut
962		1302
963	sub playerdir($) {	1303	sub playerdir($) {
964	cf::localdir	1304	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1305	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1306	}
970		1307
971	sub path($) {	1308	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1309	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1310
974	(playerdir $login) . "/$login.pl"	1311	(playerdir $login) . "/playerdata"
975	}	1312	}
976		1313
977	sub find_active($) {	1314	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1315	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1316	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1329	my $login = $_[0];
993		1330
994	my $guard = cf::lock_acquire "user_find:$login";	1331	my $guard = cf::lock_acquire "user_find:$login";
995		1332
996	$cf::PLAYER{$_[0]} || do {	1333	$cf::PLAYER{$_[0]} || do {
997	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
998	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;
999	$cf::PLAYER{$login} = $pl	1349	$cf::PLAYER{$login} = $pl
1000	}	1350	}
1001	}	1351	}
1002	}	1352	}
1003		1353
…		…
1013		1363
1014	aio_mkdir playerdir $pl, 0770;	1364	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1365	$pl->{last_save} = $cf::RUNTIME;
1016		1366
1017	$pl->save_pl ($path);	1367	$pl->save_pl ($path);
1018	Coro::cede;	1368	cf::cede_to_tick;
1019	}	1369	}
1020		1370
1021	sub new($) {	1371	sub new($) {
1022	my ($login) = @_;	1372	my ($login) = @_;
1023		1373
…		…
1029	$cf::PLAYER{$login} = $self;	1379	$cf::PLAYER{$login} = $self;
1030		1380
1031	$self	1381	$self
1032	}	1382	}
1033		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
1034	=item $pl->quit_character	1394	=item $pl->quit_character
1035		1395
1036	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
1037	be destroyed. May block for a long time.	1397	be destroyed. May block for a long time.
1038		1398
1039	=cut	1399	=cut
1040		1400
1041	sub quit_character {	1401	sub quit_character {
1042	my ($pl) = @_;	1402	my ($pl) = @_;
		1403
		1404	my $name = $pl->ob->name;
1043		1405
1044	$pl->{deny_save} = 1;	1406	$pl->{deny_save} = 1;
1045	$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
1046		1408
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1409	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1414	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1415	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1416	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1417	delete $cf::PLAYER{$pl->ob->name};
1056	$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
1057	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;
1058	}	1440	}
1059		1441
1060	=item cf::player::list_logins	1442	=item cf::player::list_logins
1061		1443
1062	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
1063	while and may block, so not sync_job-capable, ever.	1445	while and may block, so not sync_job-capable, ever.
1064		1446
1065	=cut	1447	=cut
1066		1448
1067	sub list_logins {	1449	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1450	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1451	or return [];
1070		1452
1071	my @logins;	1453	my @logins;
1072		1454
1073	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") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1460	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1461	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1462	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1463	}
1077		1464
1078	utf8::decode $login;	1465	utf8::decode $login;
1079	push @logins, $login;	1466	push @logins, $login;
1080	}	1467	}
1081		1468
…		…
1108	}	1495	}
1109		1496
1110	\@paths	1497	\@paths
1111	}	1498	}
1112		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
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1551	=item $player->ext_reply ($msgid, @msg)
1114		1552
1115	Sends an ext reply to the player.	1553	Sends an ext reply to the player.
1116		1554
1117	=cut	1555	=cut
1118		1556
1119	sub ext_reply($$$%) {	1557	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1558	my ($self, $id, @msg) = @_;
1121		1559
1122	$msg{msgid} = $id;	1560	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1561	}
1126		1562
1127	package cf;	1563	=item $player->ext_msg ($type, @msg)
		1564
		1565	Sends an ext event to the client.
		1566
		1567	=cut
		1568
		1569	sub ext_msg($$@) {
		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	$match
		1602	}
1128		1603
1129	=back	1604	=back
1130
1131		1605
1132	=head3 cf::map	1606	=head3 cf::map
1133		1607
1134	=over 4	1608	=over 4
1135		1609
…		…
1190	my ($self, $merge) = @_;	1664	my ($self, $merge) = @_;
1191		1665
1192	# we have to keep some variables in memory intact	1666	# we have to keep some variables in memory intact
1193	local $self->{path};	1667	local $self->{path};
1194	local $self->{load_path};	1668	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1669
1198	$self->SUPER::thawer_merge ($merge);	1670	$self->SUPER::thawer_merge ($merge);
1199	}	1671	}
1200		1672
1201	sub normalise {	1673	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1720	$self->init; # pass $1 etc.
1249	return $self;	1721	return $self;
1250	}	1722	}
1251	}	1723	}
1252		1724
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1725	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1726	()
1255	}	1727	}
1256		1728
1257	sub init {	1729	sub init {
1258	my ($self) = @_;	1730	my ($self) = @_;
…		…
1273		1745
1274	# the original (read-only) location	1746	# the original (read-only) location
1275	sub load_path {	1747	sub load_path {
1276	my ($self) = @_;	1748	my ($self) = @_;
1277		1749
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1750	"$MAPDIR/$self->{path}.map"
1279	}	1751	}
1280		1752
1281	# the temporary/swap location	1753	# the temporary/swap location
1282	sub save_path {	1754	sub save_path {
1283	my ($self) = @_;	1755	my ($self) = @_;
1284		1756
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1757	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1758	"$TMPDIR/$path.map"
1287	}	1759	}
1288		1760
1289	# the unique path, undef == no special unique path	1761	# the unique path, undef == no special unique path
1290	sub uniq_path {	1762	sub uniq_path {
1291	my ($self) = @_;	1763	my ($self) = @_;
1292		1764
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1765	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1766	"$UNIQUEDIR/$path"
1295	}	1767	}
1296		1768
1297	# and all this just because we cannot iterate over	1769	# and all this just because we cannot iterate over
1298	# all maps in C++...	1770	# all maps in C++...
1299	sub change_all_map_light {	1771	sub change_all_map_light {
…		…
1301		1773
1302	$_->change_map_light ($change)	1774	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1775	for grep $_->outdoor, values %cf::MAP;
1304	}	1776	}
1305		1777
		1778	sub decay_objects {
		1779	my ($self) = @_;
		1780
		1781	return if $self->{deny_reset};
		1782
		1783	$self->do_decay_objects;
		1784	}
		1785
1306	sub unlink_save {	1786	sub unlink_save {
1307	my ($self) = @_;	1787	my ($self) = @_;
1308		1788
1309	utf8::encode (my $save = $self->save_path);	1789	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1790	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1791	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1792	}
1318		1793
1319	sub load_header_from($) {	1794	sub load_header_from($) {
1320	my ($self, $path) = @_;	1795	my ($self, $path) = @_;
1321		1796
1322	utf8::encode $path;	1797	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1798	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1799	or return;
		1800
		1801	$self->_load_header ($f)
		1802	or return;
		1803
		1804	local $MAP_LOADING{$self->{path}} = $self;
		1805	$f->resolve_delayed_derefs;
1328		1806
1329	$self->{load_path} = $path;	1807	$self->{load_path} = $path;
1330		1808
1331	1	1809	1
1332	}	1810	}
…		…
1371	$self->load_header_orig	1849	$self->load_header_orig
1372	or return;	1850	or return;
1373	$self->prepare_orig;	1851	$self->prepare_orig;
1374	}	1852	}
1375		1853
		1854	$self->{deny_reset} = 1
		1855	if $self->no_reset;
		1856
		1857	$self->default_region (cf::region::find_by_path $self->{path})
		1858	unless $self->default_region;
		1859
1376	1	1860	1
1377	}	1861	}
1378		1862
1379	sub find;	1863	sub find;
1380	sub find {	1864	sub find {
1381	my ($path, $origin) = @_;	1865	my ($path, $origin) = @_;
1382		1866
1383	$path = normalise $path, $origin && $origin->path;	1867	$path = normalise $path, $origin && $origin->path;
1384		1868
		1869	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1870	cf::lock_wait "map_find:$path";
1386		1871
1387	$cf::MAP{$path} || do {	1872	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";	1873	my $guard1 = cf::lock_acquire "map_find:$path";
		1874	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1875
1389	my $map = new_from_path cf::map $path	1876	my $map = new_from_path cf::map $path
1390	or return;	1877	or return;
1391		1878
1392	$map->{last_save} = $cf::RUNTIME;	1879	$map->{last_save} = $cf::RUNTIME;
1393		1880
1394	$map->load_header	1881	$map->load_header
1395	or return;	1882	or return;
1396		1883
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1884	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1885	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1886	#$cf::WAIT_FOR_TICK->wait;
		1887	undef $guard1;
		1888	undef $guard2;
1400	$map->reset;	1889	$map->reset;
1401	undef $guard;
1402	return find $path;	1890	return find $path;
1403	}	1891	}
1404		1892
1405	$cf::MAP{$path} = $map	1893	$cf::MAP{$path} = $map
1406	}	1894	}
…		…
1413	my ($self) = @_;	1901	my ($self) = @_;
1414		1902
1415	local $self->{deny_reset} = 1; # loading can take a long time	1903	local $self->{deny_reset} = 1; # loading can take a long time
1416		1904
1417	my $path = $self->{path};	1905	my $path = $self->{path};
		1906
		1907	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1908	my $guard = cf::lock_acquire "map_data:$path";
1419		1909
		1910	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1911	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		1912
1422	$self->in_memory (cf::MAP_LOADING);	1913	$self->in_memory (cf::MAP_LOADING);
1423		1914
1424	$self->alloc;	1915	$self->alloc;
1425		1916
1426	$self->pre_load;	1917	$self->pre_load;
		1918	cf::cede_to_tick;
1427		1919
1428	$self->_load_objects ($self->{load_path}, 1)	1920	my $f = new_from_file cf::object::thawer $self->{load_path};
		1921	$f->skip_block;
		1922	$self->_load_objects ($f)
1429	or return;	1923	or return;
1430		1924
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1925	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	1926	if delete $self->{load_original};
1433		1927
1434	if (my $uniq = $self->uniq_path) {	1928	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	1929	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	1930	unless (aio_stat $uniq) {
		1931	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	1932	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	1933	$self->_load_objects ($f);
		1934	$f->resolve_delayed_derefs;
		1935	}
1439	}	1936	}
1440	}	1937	}
1441		1938
1442	Coro::cede;	1939	$f->resolve_delayed_derefs;
1443		1940
		1941	cf::cede_to_tick;
1444	# now do the right thing for maps	1942	# now do the right thing for maps
1445	$self->link_multipart_objects;	1943	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	1944	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1945	unless $self->difficulty;
1455	Coro::cede;	1946	cf::cede_to_tick;
		1947
		1948	unless ($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;
1456	$self->activate;	1955	$self->activate;
		1956	}
		1957
		1958	$self->{last_save} = $cf::RUNTIME;
		1959	$self->last_access ($cf::RUNTIME);
		1960
		1961	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1962	}
1458		1963
1459	$self->post_load;	1964	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1965	}
1463		1966
1464	sub customise_for {	1967	sub customise_for {
1465	my ($self, $ob) = @_;	1968	my ($self, $ob) = @_;
1466		1969
1467	return find "~" . $ob->name . "/" . $self->{path}	1970	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1971	if $self->per_player;
1469		1972
		1973	# return find "?party/" . $ob->name . "/" . $self->{path}
		1974	# if $self->per_party;
		1975
1470	$self	1976	$self
1471	}	1977	}
1472		1978
1473	# find and load all maps in the 3x3 area around a map	1979	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	1980	sub load_neighbours {
1475	my ($map) = @_;	1981	my ($map) = @_;
1476		1982
1477	my @diag; # diagonal neighbours	1983	my @neigh; # diagonal neighbours
1478		1984
1479	for (0 .. 3) {	1985	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	1986	my $neigh = $map->tile_path ($_)
1481	or next;	1987	or next;
1482	$neigh = find $neigh, $map	1988	$neigh = find $neigh, $map
1483	or next;	1989	or next;
1484	$neigh->load;	1990	$neigh->load;
1485		1991
		1992	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1993	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1994	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	1995	}
1489		1996
1490	for (@diag) {	1997	for (grep defined $_->[0], @neigh) {
		1998	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	1999	my $neigh = find $path, $origin
1492	or next;	2000	or next;
1493	$neigh->load;	2001	$neigh->load;
1494	}	2002	}
1495	}	2003	}
1496		2004
…		…
1501	}	2009	}
1502		2010
1503	sub do_load_sync {	2011	sub do_load_sync {
1504	my ($map) = @_;	2012	my ($map) = @_;
1505		2013
		2014	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2015	if $Coro::current == $Coro::main;
		2016
1506	cf::sync_job { $map->load };	2017	cf::sync_job { $map->load };
1507	}	2018	}
1508		2019
1509	our %MAP_PREFETCH;	2020	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2021	our $MAP_PREFETCHER = undef;
1511		2022
1512	sub find_async {	2023	sub find_async {
1513	my ($path, $origin) = @_;	2024	my ($path, $origin, $load) = @_;
1514		2025
1515	$path = normalise $path, $origin && $origin->{path};	2026	$path = normalise $path, $origin && $origin->{path};
1516		2027
1517	if (my $map = $cf::MAP{$path}) {	2028	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2029	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2030	}
1520		2031
1521	undef $MAP_PREFETCH{$path};	2032	$MAP_PREFETCH{$path} |= $load;
		2033
1522	$MAP_PREFETCHER ||= cf::async {	2034	$MAP_PREFETCHER ||= cf::async {
1523	while (%MAP_PREFETCH) {	2035	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2036	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2037	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2038	$map->load if $v;
		2039	}
1528		2040
1529	delete $MAP_PREFETCH{$path};	2041	delete $MAP_PREFETCH{$k};
1530	}	2042	}
1531	}	2043	}
1532	undef $MAP_PREFETCHER;	2044	undef $MAP_PREFETCHER;
1533	};	2045	};
1534	$MAP_PREFETCHER->prio (6);	2046	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2049	}
1538		2050
1539	sub save {	2051	sub save {
1540	my ($self) = @_;	2052	my ($self) = @_;
1541		2053
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2054	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2055
1544	$self->{last_save} = $cf::RUNTIME;	2056	$self->{last_save} = $cf::RUNTIME;
1545		2057
1546	return unless $self->dirty;	2058	return unless $self->dirty;
1547		2059
…		…
1570	my ($self) = @_;	2082	my ($self) = @_;
1571		2083
1572	# save first because save cedes	2084	# save first because save cedes
1573	$self->save;	2085	$self->save;
1574		2086
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2087	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2088
1577	return if $self->players;	2089	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2090	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2091	return if $self->{deny_save};
1580		2092
		2093	$self->in_memory (cf::MAP_SWAPPED);
		2094
		2095	$self->deactivate;
		2096	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2097	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2098	}
1584		2099
1585	sub reset_at {	2100	sub reset_at {
1586	my ($self) = @_;	2101	my ($self) = @_;
1587		2102
1588	# TODO: safety, remove and allow resettable per-player maps	2103	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2104	return 1e99 if $self->{deny_reset};
1591		2105
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2106	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2107	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2108
…		…
1605	my ($self) = @_;	2119	my ($self) = @_;
1606		2120
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2121	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2122
1609	return if $self->players;	2123	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2124
1612	warn "resetting map ", $self->path;#d#	2125	warn "resetting map ", $self->path;
1613		2126
1614	$self->in_memory (cf::MAP_SWAPPED);	2127	$self->in_memory (cf::MAP_SWAPPED);
1615		2128
1616	# need to save uniques path	2129	# need to save uniques path
1617	unless ($self->{deny_save}) {	2130	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2134	if $uniq;
1622	}	2135	}
1623		2136
1624	delete $cf::MAP{$self->path};	2137	delete $cf::MAP{$self->path};
1625		2138
		2139	$self->deactivate;
		2140	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2141	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2142
1630	$self->unlink_save;	2143	$self->unlink_save;
1631	$self->destroy;	2144	$self->destroy;
1632	}	2145	}
1633		2146
1634	my $nuke_counter = "aaaa";	2147	my $nuke_counter = "aaaa";
1635		2148
1636	sub nuke {	2149	sub nuke {
1637	my ($self) = @_;	2150	my ($self) = @_;
1638		2151
		2152	{
		2153	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2154
1639	delete $cf::MAP{$self->path};	2155	delete $cf::MAP{$self->path};
1640		2156
1641	$self->unlink_save;	2157	$self->unlink_save;
1642		2158
1643	bless $self, "cf::map";	2159	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2160	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2161	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2162	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2163	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2164
1649	$cf::MAP{$self->path} = $self;	2165	$cf::MAP{$self->path} = $self;
		2166	}
1650		2167
1651	$self->reset; # polite request, might not happen	2168	$self->reset; # polite request, might not happen
		2169	}
		2170
		2171	=item $maps = cf::map::tmp_maps
		2172
		2173	Returns an arrayref with all map paths of currently instantiated and saved
		2174	maps. May block.
		2175
		2176	=cut
		2177
		2178	sub tmp_maps() {
		2179	[
		2180	map {
		2181	utf8::decode $_;
		2182	/\.map$/
		2183	? normalise $_
		2184	: ()
		2185	} @{ aio_readdir $TMPDIR or [] }
		2186	]
		2187	}
		2188
		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	]
1652	}	2205	}
1653		2206
1654	=item cf::map::unique_maps	2207	=item cf::map::unique_maps
1655		2208
1656	Returns an arrayref of paths of all shared maps that have	2209	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2210	instantiated unique items. May block.
1658		2211
1659	=cut	2212	=cut
1660		2213
1661	sub unique_maps() {	2214	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2215	[
1663	or return;	2216	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2217	utf8::decode $_;
1669	next if /\.pst$/;	2218	/\.map$/
1670	next unless /^$PATH_SEP/o;	2219	? normalise $_
1671		2220	: ()
1672	push @paths, cf::map::normalise $_;	2221	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2222	]
1674
1675	\@paths
1676	}	2223	}
1677		2224
1678	package cf;	2225	package cf;
1679		2226
1680	=back	2227	=back
…		…
1698	map { $_, inv_recursive_ $_->inv } @_	2245	map { $_, inv_recursive_ $_->inv } @_
1699	}	2246	}
1700		2247
1701	sub inv_recursive {	2248	sub inv_recursive {
1702	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	}
1703	}	2281	}
1704		2282
1705	package cf;	2283	package cf;
1706		2284
1707	=back	2285	=back
…		…
1726		2304
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2305	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2306
1729	if ($self->{record_replies}) {	2307	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2308	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2309
1731	} 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 {
1732	$msg = $npc->name . " says: $msg" if $npc;	2318	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2319	$self->message ($msg, $flags);
		2320	}
1734	}	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 (@_);
1735	}	2332	}
1736		2333
1737	=item $player_object->may ("access")	2334	=item $player_object->may ("access")
1738		2335
1739	Returns wether the given player is authorized to access resource "access"	2336	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2383	$self->deactivate_recursive;
1787		2384
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2385	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2386
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2387	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2388	if $self->map && $self->map->{path} ne "{link}";
1792		2389
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2390	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2391	}
1795		2392
1796	sub cf::object::player::leave_link {	2393	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2394	my ($self, $map, $x, $y) = @_;
		2395
		2396	return unless $self->contr->active;
1798		2397
1799	my $link_pos = delete $self->{_link_pos};	2398	my $link_pos = delete $self->{_link_pos};
1800		2399
1801	unless ($map) {	2400	unless ($map) {
1802	# restore original map position	2401	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2415	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2416	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2417	if $x <=0 && $y <= 0;
1819		2418
1820	$map->load;	2419	$map->load;
1821	$map->load_diag;	2420	$map->load_neighbours;
1822		2421
1823	return unless $self->contr->active;	2422	return unless $self->contr->active;
1824	$self->activate_recursive;	2423	$self->activate_recursive;
		2424
		2425	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2426	$self->enter_map ($map, $x, $y);
1826	}	2427	}
1827		2428
1828	cf::player->attach (	2429	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2430
1832	# abort map switching before logout	2431	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2432	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2433	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2434	the new (success) or old (failed) map position. In either case, $done will
1836	};	2435	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2436
1842	# try to abort aborted map switching on player login :)
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2437	=cut
		2438
		2439	our $GOTOGEN;
1863		2440
1864	sub cf::object::player::goto {	2441	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2442	my ($self, $path, $x, $y, $check, $done) = @_;
		2443
		2444	# do generation counting so two concurrent goto's will be executed in-order
		2445	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2446
1867	$self->enter_link;	2447	$self->enter_link;
1868		2448
1869	(async {	2449	(async {
1870	my $map = eval {	2450	my $map = eval {
1871	my $map = cf::map::find $path;	2451	my $map = cf::map::find $path;
		2452
		2453	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2454	$map = $map->customise_for ($self);
		2455	$map = $check->($map) if $check && $map;
		2456	} else {
		2457	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2458	}
		2459
1873	$map	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 $@;
1874	} or	2466	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2467
		2468	if ($gen == $self->{_goto_generation}) {
		2469	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2470	$self->leave_link ($map, $x, $y);
		2471	}
		2472
		2473	$done->() if $done;
1878	})->prio (1);	2474	})->prio (1);
1879	}	2475	}
1880		2476
1881	=item $player_object->enter_exit ($exit_object)	2477	=item $player_object->enter_exit ($exit_object)
1882		2478
…		…
1921		2517
1922	$rmp->{random_seed} ||= $exit->random_seed;	2518	$rmp->{random_seed} ||= $exit->random_seed;
1923		2519
1924	my $data = cf::to_json $rmp;	2520	my $data = cf::to_json $rmp;
1925	my $md5 = Digest::MD5::md5_hex $data;	2521	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2522	my $meta = "$RANDOMDIR/$md5.meta";
1927		2523
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2524	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2525	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2526	undef $fh;
1931	aio_rename "$meta~", $meta;	2527	aio_rename "$meta~", $meta;
…		…
1940		2536
1941	return unless $self->type == cf::PLAYER;	2537	return unless $self->type == cf::PLAYER;
1942		2538
1943	if ($exit->slaying eq "/!") {	2539	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job	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
1945	cf::sync_job { prepare_random_map $exit };	2543	cf::sync_job { prepare_random_map $exit };
1946	}	2544	}
1947		2545
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2546	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;	2547	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;	2548	my $sp = $exit->stats->sp;
1951		2549
1952	$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);
1953		2555
1954	(async {	2556	(async {
1955	$self->deactivate_recursive; # just to be sure	2557	$self->deactivate_recursive; # just to be sure
1956	unless (eval {	2558	unless (eval {
1957	$self->goto ($slaying, $hp, $sp);	2559	$self->goto ($slaying, $hp, $sp);
1958		2560
1959	1;	2561	1;
1960	}) {	2562	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2563	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "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. "
1963	. "Please report this to the dungeon master!",	2565	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2566	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2567
1966	warn "ERROR in enter_exit: $@";	2568	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2569	$self->leave_link;
1968	}	2570	}
1969	})->prio (1);	2571	})->prio (1);
…		…
1982		2584
1983	sub cf::client::send_drawinfo {	2585	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2586	my ($self, $text, $flags) = @_;
1985		2587
1986	utf8::encode $text;	2588	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2589	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2590	}
1989		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	}
1990		2707
1991	=item $success = $client->query ($flags, "text", \&cb)	2708	=item $success = $client->query ($flags, "text", \&cb)
1992		2709
1993	Queues a query to the client, calling the given callback with	2710	Queues a query to the client, calling the given callback with
1994	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>,
1995	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>.
1996		2713
1997	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
1998	reliable at some point in the future.	2715	become reliable at some point in the future.
1999		2716
2000	=cut	2717	=cut
2001		2718
2002	sub cf::client::query {	2719	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2720	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2728	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2729	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2730
2014	$self->send_packet ($self->{query_queue}[0][0])	2731	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2732	if @{ $self->{query_queue} } == 1;
		2733
		2734	1
2016	}	2735	}
2017		2736
2018	cf::client->attach (	2737	cf::client->attach (
		2738	on_connect => sub {
		2739	my ($ns) = @_;
		2740
		2741	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2742	},
2019	on_reply => sub {	2743	on_reply => sub {
2020	my ($ns, $msg) = @_;	2744	my ($ns, $msg) = @_;
2021		2745
2022	# this weird shuffling is so that direct followup queries	2746	# this weird shuffling is so that direct followup queries
2023	# get handled first	2747	# get handled first
…		…
2035	} else {	2759	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2760	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2761	}
2038	}	2762	}
2039	},	2763	},
		2764	on_exticmd => sub {
		2765	my ($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	},
2040	);	2790	);
2041		2791
2042	=item $client->async (\&cb)	2792	=item $client->async (\&cb)
2043		2793
2044	Create a new coroutine, running the specified callback. The coroutine will	2794	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	2835	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	2836	our $safe_hole = new Safe::Hole;
2087		2837
2088	$SIG{FPE} = 'IGNORE';	2838	$SIG{FPE} = 'IGNORE';
2089		2839
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2840	$safe->permit_only (Opcode::opset qw(
		2841	:base_core :base_mem :base_orig :base_math
		2842	grepstart grepwhile mapstart mapwhile
		2843	sort time
		2844	));
2091		2845
2092	# here we export the classes and methods available to script code	2846	# here we export the classes and methods available to script code
2093		2847
2094	=pod	2848	=pod
2095		2849
2096	The following fucntions and emthods are available within a safe environment:	2850	The following functions and methods are available within a safe environment:
2097		2851
2098	cf::object contr pay_amount pay_player map	2852	cf::object
		2853	contr pay_amount pay_player map x y force_find force_add
		2854	insert remove name archname title slaying race decrease_ob_nr
		2855
2099	cf::object::player player	2856	cf::object::player
2100	cf::player peaceful	2857	player
2101	cf::map trigger	2858
		2859	cf::player
		2860	peaceful
		2861
		2862	cf::map
		2863	trigger
2102		2864
2103	=cut	2865	=cut
2104		2866
2105	for (	2867	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	2868	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2869	insert remove inv name archname title slaying race
		2870	decrease_ob_nr)],
2107	["cf::object::player" => qw(player)],	2871	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	2872	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	2873	["cf::map" => qw(trigger)],
2110	) {	2874	) {
2111	no strict 'refs';	2875	no strict 'refs';
…		…
2182	=back	2946	=back
2183		2947
2184	=cut	2948	=cut
2185		2949
2186	#############################################################################	2950	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	2951	# the server's init and main functions
2260		2952
2261	sub load_resources {	2953	sub load_facedata($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2954	my ($path) = @_;
		2955
		2956	# HACK to clear player env face cache, we need some signal framework
		2957	# for this (global event?)
		2958	%ext::player_env::MUSIC_FACE_CACHE = ();
		2959
		2960	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2961
		2962	warn "loading facedata from $path\n";
		2963
		2964	my $facedata;
		2965	0 < aio_load $path, $facedata
		2966	or die "$path: $!";
		2967
		2968	$facedata = Coro::Storable::thaw $facedata;
		2969
		2970	$facedata->{version} == 2
		2971	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2972
		2973	# patch in the exptable
		2974	$facedata->{resource}{"res/exp_table"} = {
		2975	type => FT_RSRC,
		2976	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2977	};
		2978	cf::cede_to_tick;
		2979
		2980	{
		2981	my $faces = $facedata->{faceinfo};
		2982
		2983	while (my ($face, $info) = each %$faces) {
		2984	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2985	cf::face::set_visibility $idx, $info->{visibility};
		2986	cf::face::set_magicmap $idx, $info->{magicmap};
		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 $info->{data64};
		2989
		2990	cf::cede_to_tick;
		2991	}
		2992
		2993	while (my ($face, $info) = each %$faces) {
		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	}
		3003
		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"
2263	or die "unable to load regions file\n";#d#	3085	or die "unable to load regions file\n";
2264	}
2265		3086
2266	sub cfg_load {	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 {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3130	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3131	or return;
2269		3132
2270	local $/;	3133	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3134	*CFG = YAML::Syck::Load <$fh>;
2272		3135
…		…
2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3143	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281	and die "WARNING: m(un)lockall failed: $!\n";	3144	and die "WARNING: m(un)lockall failed: $!\n";
2282	};	3145	};
2283	warn $@ if $@;	3146	warn $@ if $@;
2284	}	3147	}
2285	}
2286
2287	sub init {
2288	load_resources;
2289	}	3148	}
2290		3149
2291	sub main {	3150	sub main {
2292	# we must not ever block the main coroutine	3151	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3152	local $Coro::idle = sub {
…		…
2295	(async {	3154	(async {
2296	Event::one_event;	3155	Event::one_event;
2297	})->prio (Coro::PRIO_MAX);	3156	})->prio (Coro::PRIO_MAX);
2298	};	3157	};
2299		3158
2300	cfg_load;	3159	reload_config;
2301	db_init;	3160	db_init;
2302	load_extensions;	3161	load_extensions;
2303		3162
2304	$TICK_WATCHER->start;	3163	$TICK_WATCHER->start;
2305	Event::loop;	3164	Event::loop;
…		…
2321	},	3180	},
2322	);	3181	);
2323	}	3182	}
2324	}	3183	}
2325		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
2326	sub emergency_save() {	3223	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3224	my $freeze_guard = cf::freeze_mainloop;
2328		3225
2329	warn "enter emergency perl save\n";	3226	warn "enter emergency perl save\n";
2330		3227
…		…
2354	};	3251	};
2355		3252
2356	warn "leave emergency perl save\n";	3253	warn "leave emergency perl save\n";
2357	}	3254	}
2358		3255
		3256	sub post_cleanup {
		3257	my ($make_core) = @_;
		3258
		3259	warn Carp::longmess "post_cleanup backtrace"
		3260	if $make_core;
		3261	}
		3262
2359	sub reload() {	3263	sub do_reload_perl() {
2360	# can/must only be called in main	3264	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3265	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3266	warn "can only reload from main coroutine";
2363	return;	3267	return;
2364	}	3268	}
2365		3269
2366	warn "reloading...";	3270	warn "reloading...";
2367		3271
2368	warn "cancelling server ticker";	3272	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3273
		3274	cf::sync_job {
		3275	cf::write_runtime; # external watchdog should not bark
2371	cf::emergency_save;	3276	cf::emergency_save;
		3277	cf::write_runtime; # external watchdog should not bark
2372		3278
2373	eval {	3279	warn "syncing database to disk";
		3280	BDB::db_env_txn_checkpoint $DB_ENV;
		3281
2374	# 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
2375		3283
2376	warn "cancelling all WF_AUTOCANCEL watchers";	3284	warn "cancelling all WF_AUTOCANCEL watchers";
2377	for (Event::all_watchers) {	3285	for (Event::all_watchers) {
2378	$_->cancel if $_->data & WF_AUTOCANCEL;	3286	$_->cancel if $_->data & WF_AUTOCANCEL;
2379	}	3287	}
2380
2381	warn "syncing database to disk";
2382	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2383		3288
2384	warn "flushing outstanding aio requests";	3289	warn "flushing outstanding aio requests";
2385	for (;;) {	3290	for (;;) {
2386	BDB::flush;	3291	BDB::flush;
2387	IO::AIO::flush;	3292	IO::AIO::flush;
2388	Coro::cede;	3293	Coro::cede;
2389	last unless IO::AIO::nreqs || BDB::nreqs;	3294	last unless IO::AIO::nreqs || BDB::nreqs;
2390	warn "iterate...";	3295	warn "iterate...";
2391	}	3296	}
2392		3297
		3298	++$RELOAD;
		3299
2393	warn "cancelling all extension coros";	3300	warn "cancelling all extension coros";
2394	$_->cancel for values %EXT_CORO;	3301	$_->cancel for values %EXT_CORO;
2395	%EXT_CORO = ();	3302	%EXT_CORO = ();
2396		3303
2397	warn "removing commands";	3304	warn "removing commands";
2398	%COMMAND = ();	3305	%COMMAND = ();
2399		3306
2400	warn "removing ext commands";	3307	warn "removing ext/exti commands";
2401	%EXTCMD = ();	3308	%EXTCMD = ();
		3309	%EXTICMD = ();
2402		3310
2403	warn "unloading/nuking all extensions";	3311	warn "unloading/nuking all extensions";
2404	for my $pkg (@EXTS) {	3312	for my $pkg (@EXTS) {
2405	warn "... unloading $pkg";	3313	warn "... unloading $pkg";
2406		3314
…		…
2436	Symbol::delete_package "safe::$_"	3344	Symbol::delete_package "safe::$_"
2437	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);
2438		3346
2439	warn "unloading cf.pm \"a bit\"";	3347	warn "unloading cf.pm \"a bit\"";
2440	delete $INC{"cf.pm"};	3348	delete $INC{"cf.pm"};
		3349	delete $INC{"cf/pod.pm"};
2441		3350
2442	# don't, removes xs symbols, too,	3351	# don't, removes xs symbols, too,
2443	# and global variables created in xs	3352	# and global variables created in xs
2444	#Symbol::delete_package __PACKAGE__;	3353	#Symbol::delete_package __PACKAGE__;
2445		3354
…		…
2448	warn "reloading cf.pm";	3357	warn "reloading cf.pm";
2449	require cf;	3358	require cf;
2450	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3359	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2451		3360
2452	warn "loading config and database again";	3361	warn "loading config and database again";
2453	cf::cfg_load;	3362	cf::reload_config;
2454		3363
2455	warn "loading extensions";	3364	warn "loading extensions";
2456	cf::load_extensions;	3365	cf::load_extensions;
2457		3366
2458	warn "reattaching attachments to objects/players";	3367	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3368	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3369	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3370	reattach $_ for values %MAP;
		3371	warn "reattaching attachments to players";
		3372	reattach $_ for values %PLAYER;
2462		3373
2463	warn "loading reloadable resources";	3374	warn "leaving sync_job";
2464	load_resources;
2465		3375
2466	warn "restarting server ticker";	3376	1
2467		3377	} or do {
2468	$TICK_WATCHER->start;
2469	};
2470
2471	if ($@) {
2472	warn $@;	3378	warn $@;
2473	warn "error while reloading, exiting.";	3379	warn "error while reloading, exiting.";
2474	exit 1;	3380	exit 1;
2475	}	3381	};
2476		3382
2477	warn "reloaded";	3383	warn "reloaded";
2478	};	3384	};
2479		3385
2480	our $RELOAD_WATCHER; # used only during reload	3386	our $RELOAD_WATCHER; # used only during reload
2481		3387
		3388	sub reload_perl() {
		3389	# doing reload synchronously and two reloads happen back-to-back,
		3390	# coro crashes during coro_state_free->destroy here.
		3391
		3392	$RELOAD_WATCHER ||= Event->timer (
		3393	reentrant => 0,
		3394	after => 0,
		3395	data => WF_AUTOCANCEL,
		3396	cb => sub {
		3397	do_reload_perl;
		3398	undef $RELOAD_WATCHER;
		3399	},
		3400	);
		3401	}
		3402
2482	register_command "reload" => sub {	3403	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	3404	my ($who, $arg) = @_;
2484		3405
2485	if ($who->flag (FLAG_WIZ)) {	3406	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	3407	$who->message ("reloading server.");
2487		3408	async { reload_perl };
2488	# doing reload synchronously and two reloads happen back-to-back,
2489	# coro crashes during coro_state_free->destroy here.
2490
2491	$RELOAD_WATCHER ||= Event->timer (
2492	reentrant => 0,
2493	after => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => sub {
2496	reload;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);
2500	}	3409	}
2501	};	3410	};
2502		3411
2503	unshift @INC, $LIBDIR;	3412	unshift @INC, $LIBDIR;
2504		3413
2505	my $bug_warning = 0;	3414	my $bug_warning = 0;
2506		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;
2507	$TICK_WATCHER = Event->timer (	3439	$TICK_WATCHER = Event->timer (
2508	reentrant => 0,	3440	reentrant => 0,
2509	parked => 1,	3441	parked => 1,
2510	prio => 0,	3442	prio => 0,
2511	at => $NEXT_TICK || $TICK,	3443	at => $NEXT_TICK || $TICK,
…		…
2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3447	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516	unless ++$bug_warning > 10;	3448	unless ++$bug_warning > 10;
2517	return;	3449	return;
2518	}	3450	}
2519		3451
2520	$NOW = Event::time;	3452	$NOW = $tick_start = Event::time;
2521		3453
2522	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
2523	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2525		3481
2526	$WAIT_FOR_TICK->broadcast;	3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3483	$NEXT_RUNTIME_WRITE = $NOW + 10;
2528		3484	Coro::async_pool {
2529	Event::sweep;	3485	write_runtime
2530	Coro::cede_notself;	3486	or warn "ERROR: unable to write runtime file: $!";
		3487	};
2531		3488	}
		3489
2532	# my $AFTER = Event::time;	3490	# my $AFTER = Event::time;
2533	# warn $AFTER - $NOW;#d#	3491	# warn $AFTER - $NOW;#d#
2534		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;
		3501
2535	# 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
2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3503	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2537		3504
2538	$TICK_WATCHER->at ($NEXT_TICK);	3505	$TICK_WATCHER->at ($NEXT_TICK);
2539	$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
2540	},	3514	},
2541	);	3515	);
2542		3516
2543	{	3517	{
2544	BDB::max_poll_time $TICK * 0.1;	3518	BDB::max_poll_time $TICK * 0.1;
…		…
2572		3546
2573	cf::sync_job {	3547	cf::sync_job {
2574	eval {	3548	eval {
2575	BDB::db_env_open	3549	BDB::db_env_open
2576	$DB_ENV,	3550	$DB_ENV,
2577	$BDB_ENV_DIR,	3551	$BDBDIR,
2578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3552	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3553	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2580	0666;	3554	0666;
2581		3555
2582	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3556	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2583		3557
2584	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3558	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2585	$DB_ENV->set_lk_detect;	3559	$DB_ENV->set_lk_detect;
2586	};	3560	};
2587		3561
…		…
2595		3569
2596	undef $Coro::AIO::WATCHER;	3570	undef $Coro::AIO::WATCHER;
2597	IO::AIO::max_poll_time $TICK * 0.1;	3571	IO::AIO::max_poll_time $TICK * 0.1;
2598	$AIO_POLL_WATCHER = Event->io (	3572	$AIO_POLL_WATCHER = Event->io (
2599	reentrant => 0,	3573	reentrant => 0,
		3574	data => WF_AUTOCANCEL,
2600	fd => IO::AIO::poll_fileno,	3575	fd => IO::AIO::poll_fileno,
2601	poll => 'r',	3576	poll => 'r',
2602	prio => 6,	3577	prio => 6,
2603	data => WF_AUTOCANCEL,
2604	cb => \&IO::AIO::poll_cb,	3578	cb => \&IO::AIO::poll_cb,
2605	);	3579	);
2606	}	3580	}
2607		3581
2608	$WRITE_RUNTIME_WATCHER = Event->timer (	3582	my $_log_backtrace;
2609	reentrant => 0,	3583
2610	data => WF_AUTOCANCEL,	3584	sub _log_backtrace {
2611	after => 1,	3585	my ($msg, @addr) = @_;
2612	interval => 10,	3586
2613	prio => 6, # keep it lowest so it acts like a watchdog	3587	$msg =~ s/\n//;
2614	cb => Coro::unblock_sub {	3588
2615	write_runtime	3589	# limit the # of concurrent backtraces
2616	or warn "ERROR: unable to write runtime file: $!";	3590	if ($_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";
2617	},	3617	}
2618	);	3618	}
		3619
		3620	# load additional modules
		3621	use cf::pod;
2619		3622
2620	END { cf::emergency_save }	3623	END { cf::emergency_save }
2621		3624
2622	1	3625	1
2623		3626

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