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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.204 by root, Fri Feb 2 19:59:22 2007 UTC vs.
Revision 1.359 by root, Sat Sep 8 18:15:55 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 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
53	our $USE_FSYNC; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
54		86
55	our %CFG;	87	our %CFG;
56		88
57	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	90	our $RUNTIME;
59		91
60	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
61	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		95
68	# 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 ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		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 $tick_start; # for load detecting purposes
		102
71	binmode STDOUT;	103	binmode STDOUT;
72	binmode STDERR;	104	binmode STDERR;
73		105
74	# read virtual server time, if available	106	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
79	}	111	}
80		112
81	mkdir cf::localdir;	113	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		115
87	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
88		117
89	sub cf::map::normalise;	118	sub cf::map::normalise;
90		119
…		…
101	=item $cf::RUNTIME	130	=item $cf::RUNTIME
102		131
103	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
104	every server tick.	133	every server tick.
105		134
106	=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
107		138
108	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
109	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.
110		143
111	=item $cf::NOW	144	=item $cf::NOW
112		145
113	The time of the last (current) server tick.	146	The time of the last (current) server tick.
114		147
115	=item $cf::TICK	148	=item $cf::TICK
116		149
117	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.
118		161
119	=item %cf::CFG	162	=item %cf::CFG
120		163
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
122	from wherever your confdir points to.	165	from wherever your confdir points to.
123		166
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		168
126	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
127	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
128	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.
129	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.
130		178
131	=back	179	=back
132		180
133	=cut	181	=cut
134		182
135	BEGIN {	183	BEGIN {
136	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	185	my $msg = join "", @_;
138	utf8::encode $msg;
139		186
140	$msg .= "\n"	187	$msg .= "\n"
141	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
142		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
143	LOG llevError, $msg;	193	LOG llevError, $msg;
144	};	194	};
145	}	195	}
146		196
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
152	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
153		204
154	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
155	# within the Safe compartment.	206	# within the Safe compartment.
156	for my $pkg (qw(	207	for my $pkg (qw(
157	cf::global cf::attachable	208	cf::global cf::attachable
…		…
165	}	216	}
166		217
167	$Event::DIED = sub {	218	$Event::DIED = sub {
168	warn "error in event callback: @_";	219	warn "error in event callback: @_";
169	};	220	};
		221
		222	#############################################################################
170		223
171	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
172		225
173	=over 4	226	=over 4
174		227
…		…
193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
194	$d	247	$d
195	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
196	}	249	}
197		250
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
201		252
202	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
203		254
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
212		256
213	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
214		258
215	=cut	259	=cut
216		260
217	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
219	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
220	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
221		265
222	=item cf::lock_wait $string	266	=item cf::lock_wait $string
223		267
224	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
225		269
…		…
228	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
229	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
230	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
231	returned.	275	returned.
232		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
233	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
234	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
235		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
236	=cut	287	=cut
237		288
238	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
239		291
240	sub lock_wait($) {	292	sub lock_wait($) {
241	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
242		299
243	# wait for lock, if any	300	# wait for lock, if any
244	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
245	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
246	Coro::schedule;	303	Coro::schedule;
…		…
252		309
253	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
254	lock_wait $key;	311	lock_wait $key;
255		312
256	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
257		315
258	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
259	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
261	}	320	}
262	}	321	}
263		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
264	sub freeze_mainloop {	329	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
266		331
267	my $guard = Coro::guard {	332	my $guard = Coro::guard {
268	$TICK_WATCHER->start;	333	$TICK_WATCHER->start;
269	$WRITE_RUNTIME_WATCHER->start;
270	};	334	};
271	$WRITE_RUNTIME_WATCHER->stop;
272	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
273	$guard	336	$guard
		337	}
		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
274	}	393	}
275		394
276	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
277		396
278	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		402
284	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
285		404
286	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
287		406
288	The design of crossfire+ requires that the main coro ($Coro::main) is	407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	408	is always able to handle events or runnable, as Crossfire TRT is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
291		411
292	If it must be done, put the blocking parts into C<sync_job>. This will run	412	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	413	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	414	server will be frozen during this time, so the block should either finish
295	fast or be very important.	415	fast or be very important.
…		…
298		418
299	sub sync_job(&) {	419	sub sync_job(&) {
300	my ($job) = @_;	420	my ($job) = @_;
301		421
302	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
303	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
305		427
306	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
307	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
318		440
319	while ($busy) {	441	while ($busy) {
320	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
321	}	443	}
322		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
		451
323	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
324	} else {	453	} else {
325	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
326		455
327	$job->()	456	$job->()
…		…
346	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
347		476
348	$coro	477	$coro
349	}	478	}
350		479
351	sub write_runtime {	480	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		481
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	482	Executes the given code block with the given arguments in a seperate
355	or return;	483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
356		486
357	my $value = $cf::RUNTIME + 90 + 10;	487	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		488
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	489	sub fork_call(&@) {
362	and return;	490	my ($cb, @args) = @_;
363		491
364	# always fsync - this file is important	492	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	493	# otherwise perl prematurely frees the stuff :/
366	and return;	494	# TODO: investigate and fix (likely this will be rather laborious)
367		495
368	close $fh	496	my @res = Coro::Util::fork_eval {
369	or return;	497	reset_signals;
		498	&$cb
		499	}, @args;
370		500
371	aio_rename "$runtime~", $runtime	501	wantarray ? @res : $res[-1]
372	and return;	502	}
373		503
		504	=item $value = cf::db_get $family => $key
		505
		506	Returns a single value from the environment database.
		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
374	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
		618	}
		619
		620	=item cf::datalog type => key => value, ...
		621
		622	Log a datalog packet of the given type with the given key-value pairs.
		623
		624	=cut
		625
		626	sub datalog($@) {
		627	my ($type, %kv) = @_;
		628	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	629	}
376		630
377	=back	631	=back
378		632
379	=cut	633	=cut
…		…
386	attach callbacks/event handlers (a collection of which is called an "attachment")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
387	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
388		642
389	In the following description, CLASS can be any of C<global>, C<object>	643	In the following description, CLASS can be any of C<global>, C<object>
390	C<player>, C<client> or C<map> (i.e. the attachable objects in	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
391	crossfire+).	645	Crossfire TRT).
392		646
393	=over 4	647	=over 4
394		648
395	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
396		650
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
560		814
561	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		819
566	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	821	my $pkg = shift @arg;
568		822
569	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
599	}	853	}
600		854
601	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
602	} else {	856	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	858	}
605		859
606	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
607	}	861	}
608		862
…		…
610	if (ref $_[0]) {	864	if (ref $_[0]) {
611	_object_attach @_;	865	_object_attach @_;
612	} else {	866	} else {
613	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
614	}	868	}
		869	_recalc_want;
615	};	870	};
616		871
617	# all those should be optimised	872	# all those should be optimised
618	sub cf::attachable::detach {	873	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
623	reattach ($obj);	878	reattach ($obj);
624	} else {	879	} else {
625	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
626	}	881	}
		882	_recalc_want;
627	};	883	};
628		884
629	sub cf::attachable::attached {	885	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
631		887
…		…
646	";	902	";
647	die if $@;	903	die if $@;
648	}	904	}
649		905
650	our $override;	906	our $override;
651	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
652		908
653	sub override {	909	sub override {
654	$override = 1;	910	$override = 1;
655	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
656	}	912	}
657		913
658	sub do_invoke {	914	sub do_invoke {
659	my $event = shift;	915	my $event = shift;
660	my $callbacks = shift;	916	my $callbacks = shift;
661		917
662	@invoke_results = ();	918	@INVOKE_RESULTS = ();
663		919
664	local $override;	920	local $override;
665		921
666	for (@$callbacks) {	922	for (@$callbacks) {
667	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
684		940
685	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
686		942
687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
688	removed in future versions), and there is no public API to access override	944	removed in future versions), and there is no public API to access override
689	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		946
691	=back	947	=back
692		948
693	=cut	949	=cut
694		950
695	#############################################################################	951	#############################################################################
696	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
697		964
698	sub reattach {	965	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	967	my ($obj) = @_;
701		968
…		…
745	},	1012	},
746	);	1013	);
747		1014
748	sub object_freezer_save {	1015	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
		1017
		1018	my $guard = cf::lock_acquire "io";
750		1019
751	sync_job {	1020	sync_job {
752	if (length $$rdata) {	1021	if (length $$rdata) {
753	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
…		…
778	}	1047	}
779	} else {	1048	} else {
780	aio_unlink $filename;	1049	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
782	}	1051	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1052	};
		1053
		1054	undef $guard;
790	}	1055	}
791		1056
792	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
794		1059
…		…
800	sub object_thawer_load {	1065	sub object_thawer_load {
801	my ($filename) = @_;	1066	my ($filename) = @_;
802		1067
803	my ($data, $av);	1068	my ($data, $av);
804		1069
805	#d#TODO remove .map if file does not exist	1070	my $guard = cf::lock_acquire "io";
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1071
808	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
809	or return;	1073	or return;
810		1074
811	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
813	or return;	1077	or return;
		1078
		1079	undef $guard;
814	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1081	}
816		1082
817	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
819	return ($data, $av);	1086	($data, $av)
820	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
821		1094
822	#############################################################################	1095	#############################################################################
823	# command handling &c	1096	# command handling &c
824		1097
825	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1112	}
840		1113
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1115
843	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
844		1121
845	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
846	called.	1123	called.
847		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
848	=cut	1136	=cut
849		1137
850	sub register_extcmd {	1138	sub register_extcmd {
851	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
852		1140
853	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
854	}	1148	}
855		1149
856	cf::player->attach (	1150	cf::player->attach (
857	on_command => sub {	1151	on_command => sub {
858	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1161	cf::override;
868	},	1162	},
869	on_extcmd => sub {	1163	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
871		1165
872	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1167
874	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
880	} else {	1183	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1185	}
883		1186
884	cf::override;	1187	cf::override;
885	},	1188	},
886	);	1189	);
887		1190
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
923	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1196	next unless -r $path;
925	eval {	1197
926	load_extension $ext;	1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
927	1	1255	}
928	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
929	}	1261	};
930	}	1262	}
931		1263
932	#############################################################################	1264	#############################################################################
933		1265
		1266	=back
		1267
934	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
935		1269
936	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
937		1271
938	=cut	1272	=cut
…		…
950	Returns the given player object, loading it if necessary (might block).	1284	Returns the given player object, loading it if necessary (might block).
951		1285
952	=cut	1286	=cut
953		1287
954	sub playerdir($) {	1288	sub playerdir($) {
955	cf::localdir	1289	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1290	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1291	}
961		1292
962	sub path($) {	1293	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1294	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1295
965	(playerdir $login) . "/$login.pl"	1296	(playerdir $login) . "/playerdata"
966	}	1297	}
967		1298
968	sub find_active($) {	1299	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1300	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1301	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1314	my $login = $_[0];
984		1315
985	my $guard = cf::lock_acquire "user_find:$login";	1316	my $guard = cf::lock_acquire "user_find:$login";
986		1317
987	$cf::PLAYER{$_[0]} || do {	1318	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1319	# rename old playerfiles to new ones
		1320	#TODO: remove when no longer required
		1321	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1322	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1323	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1324	aio_unlink +(playerdir $login) . "/$login.pl";
		1325
		1326	my $f = new_from_file cf::object::thawer path $login
989	or return;	1327	or return;
		1328
		1329	$f->next;
		1330	my $pl = cf::player::load_pl $f
		1331	or return;
		1332	local $cf::PLAYER_LOADING{$login} = $pl;
		1333	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1334	$cf::PLAYER{$login} = $pl
991	}	1335	}
992	}	1336	}
993	}	1337	}
994		1338
…		…
1004		1348
1005	aio_mkdir playerdir $pl, 0770;	1349	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1350	$pl->{last_save} = $cf::RUNTIME;
1007		1351
1008	$pl->save_pl ($path);	1352	$pl->save_pl ($path);
1009	Coro::cede;	1353	cf::cede_to_tick;
1010	}	1354	}
1011		1355
1012	sub new($) {	1356	sub new($) {
1013	my ($login) = @_;	1357	my ($login) = @_;
1014		1358
…		…
1020	$cf::PLAYER{$login} = $self;	1364	$cf::PLAYER{$login} = $self;
1021		1365
1022	$self	1366	$self
1023	}	1367	}
1024		1368
		1369	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1370
		1371	=cut
		1372
		1373	sub send_msg {
		1374	my $ns = shift->ns
		1375	or return;
		1376	$ns->send_msg (@_);
		1377	}
		1378
1025	=item $pl->quit_character	1379	=item $pl->quit_character
1026		1380
1027	Nukes the player without looking back. If logged in, the connection will	1381	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1382	be destroyed. May block for a long time.
1029		1383
1030	=cut	1384	=cut
1031		1385
1032	sub quit_character {	1386	sub quit_character {
1033	my ($pl) = @_;	1387	my ($pl) = @_;
		1388
		1389	my $name = $pl->ob->name;
1034		1390
1035	$pl->{deny_save} = 1;	1391	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1392	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1393
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1394	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1399	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1400	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1401	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1402	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1403	$pl->destroy;
		1404
		1405	my $prefix = qr<^~\Q$name\E/>;
		1406
		1407	# nuke player maps
		1408	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1409
1048	IO::AIO::aio_rmtree $temp;	1410	IO::AIO::aio_rmtree $temp;
		1411	}
		1412
		1413	=item $pl->kick
		1414
		1415	Kicks a player out of the game. This destroys the connection.
		1416
		1417	=cut
		1418
		1419	sub kick {
		1420	my ($pl, $kicker) = @_;
		1421
		1422	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1423	$pl->killer ("kicked");
		1424	$pl->ns->destroy;
1049	}	1425	}
1050		1426
1051	=item cf::player::list_logins	1427	=item cf::player::list_logins
1052		1428
1053	Returns am arrayref of all valid playernames in the system, can take a	1429	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1430	while and may block, so not sync_job-capable, ever.
1055		1431
1056	=cut	1432	=cut
1057		1433
1058	sub list_logins {	1434	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1435	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1436	or return [];
1061		1437
1062	my @logins;	1438	my @logins;
1063		1439
1064	for my $login (@$dirs) {	1440	for my $login (@$dirs) {
		1441	my $path = path $login;
		1442
		1443	# a .pst is a dead give-away for a valid player
		1444	unless (-e "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1446	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
1068		1449
1069	utf8::decode $login;	1450	utf8::decode $login;
1070	push @logins, $login;	1451	push @logins, $login;
1071	}	1452	}
1072		1453
…		…
1099	}	1480	}
1100		1481
1101	\@paths	1482	\@paths
1102	}	1483	}
1103		1484
		1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1486
		1487	Expand crossfire pod fragments into protocol xml.
		1488
		1489	=cut
		1490
		1491	sub expand_cfpod {
		1492	((my $self), (local $_)) = @_;
		1493
		1494	# escape & and <
		1495	s/&/&amp;/g;
		1496	s/(?<![BIUGHT])</&lt;/g;
		1497
		1498	# this is buggy, it needs to properly take care of nested <'s
		1499
		1500	1 while
		1501	# replace B<>, I<>, U<> etc.
		1502	s/B<([^\>]*)>/<b>$1<\/b>/
		1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1506	# replace G<male|female> tags
		1507	|| s{G<([^>|]*)\|([^>]*)>}{
		1508	$self->gender ? $2 : $1
		1509	}ge
		1510	# replace H<hint text>
		1511	|| s{H<([^\>]*)>}
		1512	{
		1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1515	"")
		1516	[$self->{hintmode}]
		1517	}ge;
		1518
		1519	# create single paragraphs (very hackish)
		1520	s/(?<=\S)\n(?=\w)/ /g;
		1521
		1522	# compress some whitespace
		1523	s/\s+\n/\n/g; # ws line-ends
		1524	s/\n\n+/\n/g; # double lines
		1525	s/^\n+//; # beginning lines
		1526	s/\n+$//; # ending lines
		1527
		1528	$_
		1529	}
		1530
		1531	sub hintmode {
		1532	$_[0]{hintmode} = $_[1] if @_ > 1;
		1533	$_[0]{hintmode}
		1534	}
		1535
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1536	=item $player->ext_reply ($msgid, @msg)
1105		1537
1106	Sends an ext reply to the player.	1538	Sends an ext reply to the player.
1107		1539
1108	=cut	1540	=cut
1109		1541
1110	sub ext_reply($$$%) {	1542	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1543	my ($self, $id, @msg) = @_;
1112		1544
1113	$msg{msgid} = $id;	1545	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1546	}
1117		1547
1118	package cf;	1548	=item $player->ext_msg ($type, @msg)
		1549
		1550	Sends an ext event to the client.
		1551
		1552	=cut
		1553
		1554	sub ext_msg($$@) {
		1555	my ($self, $type, @msg) = @_;
		1556
		1557	$self->ns->ext_msg ($type, @msg);
		1558	}
		1559
		1560	=head3 cf::region
		1561
		1562	=over 4
		1563
		1564	=cut
		1565
		1566	package cf::region;
		1567
		1568	=item cf::region::find_by_path $path
		1569
		1570	Tries to decuce the likely region for a map knowing only its path.
		1571
		1572	=cut
		1573
		1574	sub find_by_path($) {
		1575	my ($path) = @_;
		1576
		1577	my ($match, $specificity);
		1578
		1579	for my $region (list) {
		1580	if ($region->{match} && $path =~ $region->{match}) {
		1581	($match, $specificity) = ($region, $region->specificity)
		1582	if $region->specificity > $specificity;
		1583	}
		1584	}
		1585
		1586	$match
		1587	}
1119		1588
1120	=back	1589	=back
1121
1122		1590
1123	=head3 cf::map	1591	=head3 cf::map
1124		1592
1125	=over 4	1593	=over 4
1126		1594
…		…
1181	my ($self, $merge) = @_;	1649	my ($self, $merge) = @_;
1182		1650
1183	# we have to keep some variables in memory intact	1651	# we have to keep some variables in memory intact
1184	local $self->{path};	1652	local $self->{path};
1185	local $self->{load_path};	1653	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1654
1189	$self->SUPER::thawer_merge ($merge);	1655	$self->SUPER::thawer_merge ($merge);
1190	}	1656	}
1191		1657
1192	sub normalise {	1658	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1705	$self->init; # pass $1 etc.
1240	return $self;	1706	return $self;
1241	}	1707	}
1242	}	1708	}
1243		1709
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1711	()
1246	}	1712	}
1247		1713
1248	sub init {	1714	sub init {
1249	my ($self) = @_;	1715	my ($self) = @_;
…		…
1264		1730
1265	# the original (read-only) location	1731	# the original (read-only) location
1266	sub load_path {	1732	sub load_path {
1267	my ($self) = @_;	1733	my ($self) = @_;
1268		1734
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1735	"$MAPDIR/$self->{path}.map"
1270	}	1736	}
1271		1737
1272	# the temporary/swap location	1738	# the temporary/swap location
1273	sub save_path {	1739	sub save_path {
1274	my ($self) = @_;	1740	my ($self) = @_;
1275		1741
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1743	"$TMPDIR/$path.map"
1278	}	1744	}
1279		1745
1280	# the unique path, undef == no special unique path	1746	# the unique path, undef == no special unique path
1281	sub uniq_path {	1747	sub uniq_path {
1282	my ($self) = @_;	1748	my ($self) = @_;
1283		1749
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1751	"$UNIQUEDIR/$path"
1286	}	1752	}
1287		1753
1288	# and all this just because we cannot iterate over	1754	# and all this just because we cannot iterate over
1289	# all maps in C++...	1755	# all maps in C++...
1290	sub change_all_map_light {	1756	sub change_all_map_light {
…		…
1292		1758
1293	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1295	}	1761	}
1296		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
1297	sub unlink_save {	1771	sub unlink_save {
1298	my ($self) = @_;	1772	my ($self) = @_;
1299		1773
1300	utf8::encode (my $save = $self->save_path);	1774	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1776	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1777	}
1309		1778
1310	sub load_header_from($) {	1779	sub load_header_from($) {
1311	my ($self, $path) = @_;	1780	my ($self, $path) = @_;
1312		1781
1313	utf8::encode $path;	1782	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	1784	or return;
		1785
		1786	$self->_load_header ($f)
		1787	or return;
		1788
		1789	local $MAP_LOADING{$self->{path}} = $self;
		1790	$f->resolve_delayed_derefs;
1319		1791
1320	$self->{load_path} = $path;	1792	$self->{load_path} = $path;
1321		1793
1322	1	1794	1
1323	}	1795	}
…		…
1362	$self->load_header_orig	1834	$self->load_header_orig
1363	or return;	1835	or return;
1364	$self->prepare_orig;	1836	$self->prepare_orig;
1365	}	1837	}
1366		1838
		1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
		1841
		1842	$self->default_region (cf::region::find_by_path $self->{path})
		1843	unless $self->default_region;
		1844
1367	1	1845	1
1368	}	1846	}
1369		1847
1370	sub find;	1848	sub find;
1371	sub find {	1849	sub find {
1372	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1373		1851
1374	$path = normalise $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1375		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	1855	cf::lock_wait "map_find:$path";
1377		1856
1378	$cf::MAP{$path} || do {	1857	$cf::MAP{$path} || do {
1379	my $guard = cf::lock_acquire "map_find:$path";	1858	my $guard1 = cf::lock_acquire "map_find:$path";
		1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1860
1380	my $map = new_from_path cf::map $path	1861	my $map = new_from_path cf::map $path
1381	or return;	1862	or return;
1382		1863
1383	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1384		1865
1385	$map->load_header	1866	$map->load_header
1386	or return;	1867	or return;
1387		1868
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1870	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1391	$map->reset;	1874	$map->reset;
1392	undef $guard;
1393	return find $path;	1875	return find $path;
1394	}	1876	}
1395		1877
1396	$cf::MAP{$path} = $map	1878	$cf::MAP{$path} = $map
1397	}	1879	}
…		…
1404	my ($self) = @_;	1886	my ($self) = @_;
1405		1887
1406	local $self->{deny_reset} = 1; # loading can take a long time	1888	local $self->{deny_reset} = 1; # loading can take a long time
1407		1889
1408	my $path = $self->{path};	1890	my $path = $self->{path};
		1891
		1892	{
1409	my $guard = cf::lock_acquire "map_load:$path";	1893	my $guard = cf::lock_acquire "map_data:$path";
1410		1894
		1895	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1412		1897
1413	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1414		1899
1415	$self->alloc;	1900	$self->alloc;
1416		1901
1417	$self->pre_load;	1902	$self->pre_load;
		1903	cf::cede_to_tick;
1418		1904
1419	$self->_load_objects ($self->{load_path}, 1)	1905	my $f = new_from_file cf::object::thawer $self->{load_path};
		1906	$f->skip_block;
		1907	$self->_load_objects ($f)
1420	or return;	1908	or return;
1421		1909
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1911	if delete $self->{load_original};
1424		1912
1425	if (my $uniq = $self->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1914	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	1917	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1430	}	1921	}
1431	}	1922	}
1432		1923
1433	Coro::cede;	1924	$f->resolve_delayed_derefs;
1434		1925
		1926	cf::cede_to_tick;
1435	# now do the right thing for maps	1927	# now do the right thing for maps
1436	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;
1443	$self->set_darkness_map;
1444	$self->difficulty ($self->estimate_difficulty)	1929	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	1930	unless $self->difficulty;
1446	Coro::cede;	1931	cf::cede_to_tick;
		1932
		1933	unless ($self->{deny_activate}) {
		1934	$self->decay_objects;
		1935	$self->fix_auto_apply;
		1936	$self->update_buttons;
		1937	cf::cede_to_tick;
		1938	$self->set_darkness_map;
		1939	cf::cede_to_tick;
1447	$self->activate;	1940	$self->activate;
		1941	}
		1942
		1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
		1945
		1946	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1947	}
1449		1948
1450	$self->post_load;	1949	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	1950	}
1454		1951
1455	sub customise_for {	1952	sub customise_for {
1456	my ($self, $ob) = @_;	1953	my ($self, $ob) = @_;
1457		1954
1458	return find "~" . $ob->name . "/" . $self->{path}	1955	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	1956	if $self->per_player;
1460		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
1461	$self	1961	$self
1462	}	1962	}
1463		1963
1464	# find and load all maps in the 3x3 area around a map	1964	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	1965	sub load_neighbours {
1466	my ($map) = @_;	1966	my ($map) = @_;
1467		1967
1468	my @diag; # diagonal neighbours	1968	my @neigh; # diagonal neighbours
1469		1969
1470	for (0 .. 3) {	1970	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	1971	my $neigh = $map->tile_path ($_)
1472	or next;	1972	or next;
1473	$neigh = find $neigh, $map	1973	$neigh = find $neigh, $map
1474	or next;	1974	or next;
1475	$neigh->load;	1975	$neigh->load;
1476		1976
		1977	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	1980	}
1480		1981
1481	for (@diag) {	1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	1984	my $neigh = find $path, $origin
1483	or next;	1985	or next;
1484	$neigh->load;	1986	$neigh->load;
1485	}	1987	}
1486	}	1988	}
1487		1989
…		…
1492	}	1994	}
1493		1995
1494	sub do_load_sync {	1996	sub do_load_sync {
1495	my ($map) = @_;	1997	my ($map) = @_;
1496		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1497	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
1498	}	2003	}
1499		2004
1500	our %MAP_PREFETCH;	2005	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2006	our $MAP_PREFETCHER = undef;
1502		2007
1503	sub find_async {	2008	sub find_async {
1504	my ($path, $origin) = @_;	2009	my ($path, $origin, $load) = @_;
1505		2010
1506	$path = normalise $path, $origin && $origin->{path};	2011	$path = normalise $path, $origin && $origin->{path};
1507		2012
1508	if (my $map = $cf::MAP{$path}) {	2013	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1510	}	2015	}
1511		2016
1512	undef $MAP_PREFETCH{$path};	2017	$MAP_PREFETCH{$path} |= $load;
		2018
1513	$MAP_PREFETCHER ||= cf::async {	2019	$MAP_PREFETCHER ||= cf::async {
1514	while (%MAP_PREFETCH) {	2020	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2021	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2022	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2023	$map->load if $v;
		2024	}
1519		2025
1520	delete $MAP_PREFETCH{$path};	2026	delete $MAP_PREFETCH{$k};
1521	}	2027	}
1522	}	2028	}
1523	undef $MAP_PREFETCHER;	2029	undef $MAP_PREFETCHER;
1524	};	2030	};
1525	$MAP_PREFETCHER->prio (6);	2031	$MAP_PREFETCHER->prio (6);
…		…
1528	}	2034	}
1529		2035
1530	sub save {	2036	sub save {
1531	my ($self) = @_;	2037	my ($self) = @_;
1532		2038
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1534		2040
1535	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1536		2042
1537	return unless $self->dirty;	2043	return unless $self->dirty;
1538		2044
…		…
1561	my ($self) = @_;	2067	my ($self) = @_;
1562		2068
1563	# save first because save cedes	2069	# save first because save cedes
1564	$self->save;	2070	$self->save;
1565		2071
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2073
1568	return if $self->players;	2074	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1570	return if $self->{deny_save};	2076	return if $self->{deny_save};
1571		2077
		2078	$self->in_memory (cf::MAP_SWAPPED);
		2079
		2080	$self->deactivate;
		2081	$_->clear_links_to ($self) for values %cf::MAP;
1572	$self->clear;	2082	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2083	}
1575		2084
1576	sub reset_at {	2085	sub reset_at {
1577	my ($self) = @_;	2086	my ($self) = @_;
1578		2087
1579	# TODO: safety, remove and allow resettable per-player maps	2088	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2089	return 1e99 if $self->{deny_reset};
1582		2090
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2091	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2092	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2093
…		…
1596	my ($self) = @_;	2104	my ($self) = @_;
1597		2105
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2106	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2107
1600	return if $self->players;	2108	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2109
1603	warn "resetting map ", $self->path;#d#	2110	warn "resetting map ", $self->path;
		2111
		2112	$self->in_memory (cf::MAP_SWAPPED);
		2113
		2114	# need to save uniques path
		2115	unless ($self->{deny_save}) {
		2116	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2117
		2118	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2119	if $uniq;
		2120	}
1604		2121
1605	delete $cf::MAP{$self->path};	2122	delete $cf::MAP{$self->path};
1606		2123
1607	$self->in_memory (cf::MAP_SWAPPED);	2124	$self->deactivate;
		2125	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2126	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2127
1612	$self->unlink_save;	2128	$self->unlink_save;
1613	$self->destroy;	2129	$self->destroy;
1614	}	2130	}
1615		2131
1616	my $nuke_counter = "aaaa";	2132	my $nuke_counter = "aaaa";
1617		2133
1618	sub nuke {	2134	sub nuke {
1619	my ($self) = @_;	2135	my ($self) = @_;
1620		2136
		2137	{
		2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2139
1621	delete $cf::MAP{$self->path};	2140	delete $cf::MAP{$self->path};
1622		2141
1623	$self->unlink_save;	2142	$self->unlink_save;
1624		2143
1625	bless $self, "cf::map";	2144	bless $self, "cf::map";
1626	delete $self->{deny_reset};	2145	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2146	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2147	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2148	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2149
1631	$cf::MAP{$self->path} = $self;	2150	$cf::MAP{$self->path} = $self;
		2151	}
1632		2152
1633	$self->reset; # polite request, might not happen	2153	$self->reset; # polite request, might not happen
		2154	}
		2155
		2156	=item $maps = cf::map::tmp_maps
		2157
		2158	Returns an arrayref with all map paths of currently instantiated and saved
		2159	maps. May block.
		2160
		2161	=cut
		2162
		2163	sub tmp_maps() {
		2164	[
		2165	map {
		2166	utf8::decode $_;
		2167	/\.map$/
		2168	? normalise $_
		2169	: ()
		2170	} @{ aio_readdir $TMPDIR or [] }
		2171	]
		2172	}
		2173
		2174	=item $maps = cf::map::random_maps
		2175
		2176	Returns an arrayref with all map paths of currently instantiated and saved
		2177	random maps. May block.
		2178
		2179	=cut
		2180
		2181	sub random_maps() {
		2182	[
		2183	map {
		2184	utf8::decode $_;
		2185	/\.map$/
		2186	? normalise "?random/$_"
		2187	: ()
		2188	} @{ aio_readdir $RANDOMDIR or [] }
		2189	]
1634	}	2190	}
1635		2191
1636	=item cf::map::unique_maps	2192	=item cf::map::unique_maps
1637		2193
1638	Returns an arrayref of paths of all shared maps that have	2194	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2195	instantiated unique items. May block.
1640		2196
1641	=cut	2197	=cut
1642		2198
1643	sub unique_maps() {	2199	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2200	[
1645	or return;	2201	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2202	utf8::decode $_;
1651	next if /\.pst$/;	2203	/\.map$/
1652	next unless /^$PATH_SEP/o;	2204	? normalise $_
1653		2205	: ()
1654	push @paths, cf::map::normalise $_;	2206	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2207	]
1656
1657	\@paths
1658	}	2208	}
1659		2209
1660	package cf;	2210	package cf;
1661		2211
1662	=back	2212	=back
…		…
1680	map { $_, inv_recursive_ $_->inv } @_	2230	map { $_, inv_recursive_ $_->inv } @_
1681	}	2231	}
1682		2232
1683	sub inv_recursive {	2233	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2234	inv_recursive_ inv $_[0]
		2235	}
		2236
		2237	=item $ref = $ob->ref
		2238
		2239	creates and returns a persistent reference to an objetc that can be stored as a string.
		2240
		2241	=item $ob = cf::object::deref ($refstring)
		2242
		2243	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2244	even if the object actually exists. May block.
		2245
		2246	=cut
		2247
		2248	sub deref {
		2249	my ($ref) = @_;
		2250
		2251	# temporary compatibility#TODO#remove
		2252	$ref =~ s{^<}{player/<};
		2253
		2254	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2255	my ($uuid, $name) = ($1, $2);
		2256	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2257	or return;
		2258	$pl->ob->uuid eq $uuid
		2259	or return;
		2260
		2261	$pl->ob
		2262	} else {
		2263	warn "$ref: cannot resolve object reference\n";
		2264	undef
		2265	}
1685	}	2266	}
1686		2267
1687	package cf;	2268	package cf;
1688		2269
1689	=back	2270	=back
…		…
1708		2289
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2290	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2291
1711	if ($self->{record_replies}) {	2292	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2293	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2294
1713	} else {	2295	} else {
		2296	my $pl = $self->contr;
		2297
		2298	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2299	my $dialog = $pl->{npc_dialog};
		2300	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2301
		2302	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2303	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2304	$self->message ($msg, $flags);
		2305	}
1716	}	2306	}
		2307	}
		2308
		2309	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2310
		2311	=cut
		2312
		2313	sub cf::object::send_msg {
		2314	my $pl = shift->contr
		2315	or return;
		2316	$pl->send_msg (@_);
1717	}	2317	}
1718		2318
1719	=item $player_object->may ("access")	2319	=item $player_object->may ("access")
1720		2320
1721	Returns wether the given player is authorized to access resource "access"	2321	Returns wether the given player is authorized to access resource "access"
…		…
1768	$self->deactivate_recursive;	2368	$self->deactivate_recursive;
1769		2369
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2370	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2371
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2372	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2373	if $self->map && $self->map->{path} ne "{link}";
1774		2374
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2375	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2376	}
1777		2377
1778	sub cf::object::player::leave_link {	2378	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2379	my ($self, $map, $x, $y) = @_;
		2380
		2381	return unless $self->contr->active;
1780		2382
1781	my $link_pos = delete $self->{_link_pos};	2383	my $link_pos = delete $self->{_link_pos};
1782		2384
1783	unless ($map) {	2385	unless ($map) {
1784	# restore original map position	2386	# restore original map position
…		…
1798	# use -1 or undef as default coordinates, not 0, 0	2400	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2401	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2402	if $x <=0 && $y <= 0;
1801		2403
1802	$map->load;	2404	$map->load;
1803	$map->load_diag;	2405	$map->load_neighbours;
1804		2406
1805	return unless $self->contr->active;	2407	return unless $self->contr->active;
1806	$self->activate_recursive;	2408	$self->activate_recursive;
		2409
		2410	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2411	$self->enter_map ($map, $x, $y);
1808	}	2412	}
1809		2413
1810	cf::player->attach (	2414	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2415
1814	# abort map switching before logout	2416	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2417	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2418	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2419	the new (success) or old (failed) map position. In either case, $done will
1818	};	2420	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2421
1824	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841
1842	=item $player_object->goto ($path, $x, $y)
1843
1844	=cut	2422	=cut
		2423
		2424	our $GOTOGEN;
1845		2425
1846	sub cf::object::player::goto {	2426	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2427	my ($self, $path, $x, $y, $check, $done) = @_;
		2428
		2429	# do generation counting so two concurrent goto's will be executed in-order
		2430	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2431
1849	$self->enter_link;	2432	$self->enter_link;
1850		2433
1851	(async {	2434	(async {
1852	my $map = eval {	2435	my $map = eval {
1853	my $map = cf::map::find $path;	2436	my $map = cf::map::find $path;
		2437
		2438	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2439	$map = $map->customise_for ($self);
		2440	$map = $check->($map) if $check && $map;
		2441	} else {
		2442	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2443	}
		2444
1855	$map	2445	$map
		2446	};
		2447
		2448	if ($@) {
		2449	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2450	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2451	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2452
		2453	if ($gen == $self->{_goto_generation}) {
		2454	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2455	$self->leave_link ($map, $x, $y);
		2456	}
		2457
		2458	$done->() if $done;
1860	})->prio (1);	2459	})->prio (1);
1861	}	2460	}
1862		2461
1863	=item $player_object->enter_exit ($exit_object)	2462	=item $player_object->enter_exit ($exit_object)
1864		2463
…		…
1903		2502
1904	$rmp->{random_seed} ||= $exit->random_seed;	2503	$rmp->{random_seed} ||= $exit->random_seed;
1905		2504
1906	my $data = cf::to_json $rmp;	2505	my $data = cf::to_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2506	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2507	my $meta = "$RANDOMDIR/$md5.meta";
1909		2508
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2509	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2510	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2511	undef $fh;
1913	aio_rename "$meta~", $meta;	2512	aio_rename "$meta~", $meta;
…		…
1922		2521
1923	return unless $self->type == cf::PLAYER;	2522	return unless $self->type == cf::PLAYER;
1924		2523
1925	if ($exit->slaying eq "/!") {	2524	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	2525	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2526	# the problem is that $exit might not survive long enough
		2527	# so it needs to be done right now, right here
1927	cf::sync_job { prepare_random_map $exit };	2528	cf::sync_job { prepare_random_map $exit };
1928	}	2529	}
1929		2530
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2531	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2532	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;	2533	my $sp = $exit->stats->sp;
1933		2534
1934	$self->enter_link;	2535	$self->enter_link;
		2536
		2537	# if exit is damned, update players death & WoR home-position
		2538	$self->contr->savebed ($slaying, $hp, $sp)
		2539	if $exit->flag (FLAG_DAMNED);
1935		2540
1936	(async {	2541	(async {
1937	$self->deactivate_recursive; # just to be sure	2542	$self->deactivate_recursive; # just to be sure
1938	unless (eval {	2543	unless (eval {
1939	$self->goto ($slaying, $hp, $sp);	2544	$self->goto ($slaying, $hp, $sp);
1940		2545
1941	1;	2546	1;
1942	}) {	2547	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2548	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2549	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2550	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2551	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2552
1948	warn "ERROR in enter_exit: $@";	2553	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2554	$self->leave_link;
1950	}	2555	}
1951	})->prio (1);	2556	})->prio (1);
…		…
1964		2569
1965	sub cf::client::send_drawinfo {	2570	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2571	my ($self, $text, $flags) = @_;
1967		2572
1968	utf8::encode $text;	2573	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2574	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2575	}
1971		2576
		2577	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2578
		2579	Send a drawinfo or msg packet to the client, formatting the msg for the
		2580	client if neccessary. C<$type> should be a string identifying the type of
		2581	the message, with C<log> being the default. If C<$color> is negative, suppress
		2582	the message unless the client supports the msg packet.
		2583
		2584	=cut
		2585
		2586	our %CHANNEL = (
		2587	"c/identify" => {
		2588	id => "identify",
		2589	title => "Identify",
		2590	reply => undef,
		2591	tooltip => "Items recently identified",
		2592	},
		2593	"c/examine" => {
		2594	id => "examine",
		2595	title => "Examine",
		2596	reply => undef,
		2597	tooltip => "Signs and other items you examined",
		2598	},
		2599	);
		2600
		2601	sub cf::client::send_msg {
		2602	my ($self, $channel, $msg, $color, @extra) = @_;
		2603
		2604	$msg = $self->pl->expand_cfpod ($msg);
		2605
		2606	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2607
		2608	# check predefined channels, for the benefit of C
		2609	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2610
		2611	if (ref $channel) {
		2612	# send meta info to client, if not yet sent
		2613	unless (exists $self->{channel}{$channel->{id}}) {
		2614	$self->{channel}{$channel->{id}} = $channel;
		2615	$self->ext_msg (channel_info => $channel)
		2616	if $self->can_msg;
		2617	}
		2618
		2619	$channel = $channel->{id};
		2620	}
		2621
		2622	return unless @extra || length $msg;
		2623
		2624	if ($self->can_msg) {
		2625	# default colour, mask it out
		2626	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2627	if $color & cf::NDI_DEF;
		2628
		2629	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2630	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2631	} else {
		2632	if ($color >= 0) {
		2633	# replace some tags by gcfclient-compatible ones
		2634	for ($msg) {
		2635	1 while
		2636	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2637	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2638	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2639	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2640	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2641	}
		2642
		2643	$color &= cf::NDI_COLOR_MASK;
		2644
		2645	utf8::encode $msg;
		2646
		2647	if (0 && $msg =~ /\[/) {
		2648	# COMMAND/INFO
		2649	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2650	} else {
		2651	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2652	$self->send_packet ("drawinfo $color $msg")
		2653	}
		2654	}
		2655	}
		2656	}
		2657
		2658	=item $client->ext_msg ($type, @msg)
		2659
		2660	Sends an ext event to the client.
		2661
		2662	=cut
		2663
		2664	sub cf::client::ext_msg($$@) {
		2665	my ($self, $type, @msg) = @_;
		2666
		2667	if ($self->extcmd == 2) {
		2668	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2669	} elsif ($self->extcmd == 1) { # TODO: remove
		2670	push @msg, msgtype => "event_$type";
		2671	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2672	}
		2673	}
		2674
		2675	=item $client->ext_reply ($msgid, @msg)
		2676
		2677	Sends an ext reply to the client.
		2678
		2679	=cut
		2680
		2681	sub cf::client::ext_reply($$@) {
		2682	my ($self, $id, @msg) = @_;
		2683
		2684	if ($self->extcmd == 2) {
		2685	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2686	} elsif ($self->extcmd == 1) {
		2687	#TODO: version 1, remove
		2688	unshift @msg, msgtype => "reply", msgid => $id;
		2689	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2690	}
		2691	}
1972		2692
1973	=item $success = $client->query ($flags, "text", \&cb)	2693	=item $success = $client->query ($flags, "text", \&cb)
1974		2694
1975	Queues a query to the client, calling the given callback with	2695	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2696	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2697	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2698
1979	Queries can fail, so check the return code. Or don't, as queries will become	2699	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2700	become reliable at some point in the future.
1981		2701
1982	=cut	2702	=cut
1983		2703
1984	sub cf::client::query {	2704	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2705	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2713	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2714	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2715
1996	$self->send_packet ($self->{query_queue}[0][0])	2716	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2717	if @{ $self->{query_queue} } == 1;
		2718
		2719	1
1998	}	2720	}
1999		2721
2000	cf::client->attach (	2722	cf::client->attach (
		2723	on_connect => sub {
		2724	my ($ns) = @_;
		2725
		2726	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2727	},
2001	on_reply => sub {	2728	on_reply => sub {
2002	my ($ns, $msg) = @_;	2729	my ($ns, $msg) = @_;
2003		2730
2004	# this weird shuffling is so that direct followup queries	2731	# this weird shuffling is so that direct followup queries
2005	# get handled first	2732	# get handled first
…		…
2017	} else {	2744	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2745	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2746	}
2020	}	2747	}
2021	},	2748	},
		2749	on_exticmd => sub {
		2750	my ($ns, $buf) = @_;
		2751
		2752	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2753
		2754	if (ref $msg) {
		2755	my ($type, $reply, @payload) =
		2756	"ARRAY" eq ref $msg
		2757	? @$msg
		2758	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2759
		2760	my @reply;
		2761
		2762	if (my $cb = $EXTICMD{$type}) {
		2763	@reply = $cb->($ns, @payload);
		2764	}
		2765
		2766	$ns->ext_reply ($reply, @reply)
		2767	if $reply;
		2768
		2769	} else {
		2770	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2771	}
		2772
		2773	cf::override;
		2774	},
2022	);	2775	);
2023		2776
2024	=item $client->async (\&cb)	2777	=item $client->async (\&cb)
2025		2778
2026	Create a new coroutine, running the specified callback. The coroutine will	2779	Create a new coroutine, running the specified callback. The coroutine will
…		…
2067	our $safe = new Safe "safe";	2820	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	2821	our $safe_hole = new Safe::Hole;
2069		2822
2070	$SIG{FPE} = 'IGNORE';	2823	$SIG{FPE} = 'IGNORE';
2071		2824
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2825	$safe->permit_only (Opcode::opset qw(
		2826	:base_core :base_mem :base_orig :base_math
		2827	grepstart grepwhile mapstart mapwhile
		2828	sort time
		2829	));
2073		2830
2074	# here we export the classes and methods available to script code	2831	# here we export the classes and methods available to script code
2075		2832
2076	=pod	2833	=pod
2077		2834
2078	The following fucntions and emthods are available within a safe environment:	2835	The following functions and methods are available within a safe environment:
2079		2836
2080	cf::object contr pay_amount pay_player map	2837	cf::object
		2838	contr pay_amount pay_player map x y force_find force_add
		2839	insert remove name archname title slaying race decrease_ob_nr
		2840
2081	cf::object::player player	2841	cf::object::player
2082	cf::player peaceful	2842	player
2083	cf::map trigger	2843
		2844	cf::player
		2845	peaceful
		2846
		2847	cf::map
		2848	trigger
2084		2849
2085	=cut	2850	=cut
2086		2851
2087	for (	2852	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	2853	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2854	insert remove inv name archname title slaying race
		2855	decrease_ob_nr)],
2089	["cf::object::player" => qw(player)],	2856	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	2857	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	2858	["cf::map" => qw(trigger)],
2092	) {	2859	) {
2093	no strict 'refs';	2860	no strict 'refs';
…		…
2164	=back	2931	=back
2165		2932
2166	=cut	2933	=cut
2167		2934
2168	#############################################################################	2935	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	2936	# the server's init and main functions
2278		2937
2279	sub load_resources {	2938	sub load_facedata($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2939	my ($path) = @_;
		2940
		2941	# HACK to clear player env face cache, we need some signal framework
		2942	# for this (global event?)
		2943	%ext::player_env::MUSIC_FACE_CACHE = ();
		2944
		2945	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2946
		2947	warn "loading facedata from $path\n";
		2948
		2949	my $facedata;
		2950	0 < aio_load $path, $facedata
		2951	or die "$path: $!";
		2952
		2953	$facedata = Coro::Storable::thaw $facedata;
		2954
		2955	$facedata->{version} == 2
		2956	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2957
		2958	# patch in the exptable
		2959	$facedata->{resource}{"res/exp_table"} = {
		2960	type => FT_RSRC,
		2961	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2962	};
		2963	cf::cede_to_tick;
		2964
		2965	{
		2966	my $faces = $facedata->{faceinfo};
		2967
		2968	while (my ($face, $info) = each %$faces) {
		2969	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2970	cf::face::set_visibility $idx, $info->{visibility};
		2971	cf::face::set_magicmap $idx, $info->{magicmap};
		2972	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2973	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2974
		2975	cf::cede_to_tick;
		2976	}
		2977
		2978	while (my ($face, $info) = each %$faces) {
		2979	next unless $info->{smooth};
		2980	my $idx = cf::face::find $face
		2981	or next;
		2982	if (my $smooth = cf::face::find $info->{smooth}) {
		2983	cf::face::set_smooth $idx, $smooth;
		2984	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2985	} else {
		2986	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2987	}
		2988
		2989	cf::cede_to_tick;
		2990	}
		2991	}
		2992
		2993	{
		2994	my $anims = $facedata->{animinfo};
		2995
		2996	while (my ($anim, $info) = each %$anims) {
		2997	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2998	cf::cede_to_tick;
		2999	}
		3000
		3001	cf::anim::invalidate_all; # d'oh
		3002	}
		3003
		3004	{
		3005	# TODO: for gcfclient pleasure, we should give resources
		3006	# that gcfclient doesn't grok a >10000 face index.
		3007	my $res = $facedata->{resource};
		3008
		3009	my $soundconf = delete $res->{"res/sound.conf"};
		3010
		3011	while (my ($name, $info) = each %$res) {
		3012	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3013	my $data;
		3014
		3015	if ($info->{type} & 1) {
		3016	# prepend meta info
		3017
		3018	my $meta = $enc->encode ({
		3019	name => $name,
		3020	%{ $info->{meta} || {} },
		3021	});
		3022
		3023	$data = pack "(w/a*)*", $meta, $info->{data};
		3024	} else {
		3025	$data = $info->{data};
		3026	}
		3027
		3028	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3029	cf::face::set_type $idx, $info->{type};
		3030
		3031	cf::cede_to_tick;
		3032	}
		3033
		3034	if ($soundconf) {
		3035	$soundconf = $enc->decode (delete $soundconf->{data});
		3036
		3037	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3038	my $sound = $soundconf->{compat}[$_]
		3039	or next;
		3040
		3041	my $face = cf::face::find "sound/$sound->[1]";
		3042	cf::sound::set $sound->[0] => $face;
		3043	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3044	}
		3045
		3046	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3047	my $face = cf::face::find "sound/$v";
		3048	cf::sound::set $k => $face;
		3049	}
		3050	}
		3051	}
		3052
		3053	1
		3054	}
		3055
		3056	register_exticmd fx_want => sub {
		3057	my ($ns, $want) = @_;
		3058
		3059	while (my ($k, $v) = each %$want) {
		3060	$ns->fx_want ($k, $v);
		3061	}
		3062	};
		3063
		3064	sub reload_regions {
		3065	# HACK to clear player env face cache, we need some signal framework
		3066	# for this (global event?)
		3067	%ext::player_env::MUSIC_FACE_CACHE = ();
		3068
		3069	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	3070	or die "unable to load regions file\n";
2282	}
2283		3071
2284	sub cfg_load {	3072	for (cf::region::list) {
		3073	$_->{match} = qr/$_->{match}/
		3074	if exists $_->{match};
		3075	}
		3076	}
		3077
		3078	sub reload_facedata {
		3079	load_facedata "$DATADIR/facedata"
		3080	or die "unable to load facedata\n";
		3081	}
		3082
		3083	sub reload_archetypes {
		3084	load_resource_file "$DATADIR/archetypes"
		3085	or die "unable to load archetypes\n";
		3086	#d# NEED to laod twice to resolve forward references
		3087	# this really needs to be done in an extra post-pass
		3088	# (which needs to be synchronous, so solve it differently)
		3089	load_resource_file "$DATADIR/archetypes"
		3090	or die "unable to load archetypes\n";
		3091	}
		3092
		3093	sub reload_treasures {
		3094	load_resource_file "$DATADIR/treasures"
		3095	or die "unable to load treasurelists\n";
		3096	}
		3097
		3098	sub reload_resources {
		3099	warn "reloading resource files...\n";
		3100
		3101	reload_regions;
		3102	reload_facedata;
		3103	#reload_archetypes;#d#
		3104	reload_archetypes;
		3105	reload_treasures;
		3106
		3107	warn "finished reloading resource files\n";
		3108	}
		3109
		3110	sub init {
		3111	reload_resources;
		3112	}
		3113
		3114	sub reload_config {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3115	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3116	or return;
2287		3117
2288	local $/;	3118	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3119	*CFG = YAML::Syck::Load <$fh>;
2290		3120
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3128	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	3129	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	3130	};
2301	warn $@ if $@;	3131	warn $@ if $@;
2302	}	3132	}
2303	}
2304
2305	sub init {
2306	load_resources;
2307	}	3133	}
2308		3134
2309	sub main {	3135	sub main {
2310	# we must not ever block the main coroutine	3136	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3137	local $Coro::idle = sub {
…		…
2313	(async {	3139	(async {
2314	Event::one_event;	3140	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	3141	})->prio (Coro::PRIO_MAX);
2316	};	3142	};
2317		3143
2318	cfg_load;	3144	reload_config;
2319	db_load;	3145	db_init;
2320	load_extensions;	3146	load_extensions;
2321		3147
2322	$TICK_WATCHER->start;	3148	$TICK_WATCHER->start;
2323	Event::loop;	3149	Event::loop;
2324	}	3150	}
…		…
2339	},	3165	},
2340	);	3166	);
2341	}	3167	}
2342	}	3168	}
2343		3169
		3170	sub write_runtime {
		3171	my $runtime = "$LOCALDIR/runtime";
		3172
		3173	# first touch the runtime file to show we are still running:
		3174	# the fsync below can take a very very long time.
		3175
		3176	IO::AIO::aio_utime $runtime, undef, undef;
		3177
		3178	my $guard = cf::lock_acquire "write_runtime";
		3179
		3180	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3181	or return;
		3182
		3183	my $value = $cf::RUNTIME + 90 + 10;
		3184	# 10 is the runtime save interval, for a monotonic clock
		3185	# 60 allows for the watchdog to kill the server.
		3186
		3187	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3188	and return;
		3189
		3190	# always fsync - this file is important
		3191	aio_fsync $fh
		3192	and return;
		3193
		3194	# touch it again to show we are up-to-date
		3195	aio_utime $fh, undef, undef;
		3196
		3197	close $fh
		3198	or return;
		3199
		3200	aio_rename "$runtime~", $runtime
		3201	and return;
		3202
		3203	warn "runtime file written.\n";
		3204
		3205	1
		3206	}
		3207
2344	sub emergency_save() {	3208	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3209	my $freeze_guard = cf::freeze_mainloop;
2346		3210
2347	warn "enter emergency perl save\n";	3211	warn "enter emergency perl save\n";
2348		3212
…		…
2363	my $map = $cf::MAP{$path} or next;	3227	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3228	$map->valid or next;
2365	$map->save;	3229	$map->save;
2366	}	3230	}
2367	warn "end emergency map save\n";	3231	warn "end emergency map save\n";
		3232
		3233	warn "begin emergency database checkpoint\n";
		3234	BDB::db_env_txn_checkpoint $DB_ENV;
		3235	warn "end emergency database checkpoint\n";
2368	};	3236	};
2369		3237
2370	warn "leave emergency perl save\n";	3238	warn "leave emergency perl save\n";
2371	}	3239	}
2372		3240
		3241	sub post_cleanup {
		3242	my ($make_core) = @_;
		3243
		3244	warn Carp::longmess "post_cleanup backtrace"
		3245	if $make_core;
		3246	}
		3247
2373	sub reload() {	3248	sub do_reload_perl() {
2374	# can/must only be called in main	3249	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3250	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3251	warn "can only reload from main coroutine";
2377	return;	3252	return;
2378	}	3253	}
2379		3254
2380	warn "reloading...";	3255	warn "reloading...";
2381		3256
2382	warn "cancelling server ticker";	3257	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3258
		3259	cf::sync_job {
		3260	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	3261	cf::emergency_save;
		3262	cf::write_runtime; # external watchdog should not bark
2386		3263
2387	eval {	3264	warn "syncing database to disk";
		3265	BDB::db_env_txn_checkpoint $DB_ENV;
		3266
2388	# if anything goes wrong in here, we should simply crash as we already saved	3267	# if anything goes wrong in here, we should simply crash as we already saved
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392		3268
2393	warn "cancelling all WF_AUTOCANCEL watchers";	3269	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	3270	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	3271	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	3272	}
2397		3273
2398	warn "flushing outstanding aio requests";	3274	warn "flushing outstanding aio requests";
2399	for (;;) {	3275	for (;;) {
		3276	BDB::flush;
2400	IO::AIO::flush;	3277	IO::AIO::flush;
2401	Coro::cede;	3278	Coro::cede;
2402	last unless IO::AIO::nreqs;	3279	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	3280	warn "iterate...";
2404	}	3281	}
		3282
		3283	++$RELOAD;
2405		3284
2406	warn "cancelling all extension coros";	3285	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3286	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3287	%EXT_CORO = ();
2409		3288
2410	warn "removing commands";	3289	warn "removing commands";
2411	%COMMAND = ();	3290	%COMMAND = ();
2412		3291
2413	warn "removing ext commands";	3292	warn "removing ext/exti commands";
2414	%EXTCMD = ();	3293	%EXTCMD = ();
		3294	%EXTICMD = ();
2415		3295
2416	warn "unloading/nuking all extensions";	3296	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3297	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3298	warn "... unloading $pkg";
2419		3299
…		…
2449	Symbol::delete_package "safe::$_"	3329	Symbol::delete_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3330	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3331
2452	warn "unloading cf.pm \"a bit\"";	3332	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3333	delete $INC{"cf.pm"};
		3334	delete $INC{"cf/pod.pm"};
2454		3335
2455	# don't, removes xs symbols, too,	3336	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3337	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3338	#Symbol::delete_package __PACKAGE__;
2458		3339
…		…
2461	warn "reloading cf.pm";	3342	warn "reloading cf.pm";
2462	require cf;	3343	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3344	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3345
2465	warn "loading config and database again";	3346	warn "loading config and database again";
2466	cf::cfg_load;	3347	cf::reload_config;
2467	cf::db_load;
2468		3348
2469	warn "loading extensions";	3349	warn "loading extensions";
2470	cf::load_extensions;	3350	cf::load_extensions;
2471		3351
2472	warn "reattaching attachments to objects/players";	3352	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3353	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3354	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3355	reattach $_ for values %MAP;
		3356	warn "reattaching attachments to players";
		3357	reattach $_ for values %PLAYER;
2476		3358
2477	warn "loading reloadable resources";	3359	warn "leaving sync_job";
2478	load_resources;
2479		3360
2480	warn "restarting server ticker";	3361	1
2481		3362	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	3363	warn $@;
2487	warn "error while reloading, exiting.";	3364	warn "error while reloading, exiting.";
2488	exit 1;	3365	exit 1;
2489	}	3366	};
2490		3367
2491	warn "reloaded";	3368	warn "reloaded";
2492	};	3369	};
2493		3370
2494	our $RELOAD_WATCHER; # used only during reload	3371	our $RELOAD_WATCHER; # used only during reload
2495		3372
		3373	sub reload_perl() {
		3374	# doing reload synchronously and two reloads happen back-to-back,
		3375	# coro crashes during coro_state_free->destroy here.
		3376
		3377	$RELOAD_WATCHER ||= Event->timer (
		3378	reentrant => 0,
		3379	after => 0,
		3380	data => WF_AUTOCANCEL,
		3381	cb => sub {
		3382	do_reload_perl;
		3383	undef $RELOAD_WATCHER;
		3384	},
		3385	);
		3386	}
		3387
2496	register_command "reload" => sub {	3388	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3389	my ($who, $arg) = @_;
2498		3390
2499	if ($who->flag (FLAG_WIZ)) {	3391	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3392	$who->message ("reloading server.");
2501		3393	async { reload_perl };
2502	# doing reload synchronously and two reloads happen back-to-back,
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);
2514	}	3394	}
2515	};	3395	};
2516		3396
2517	unshift @INC, $LIBDIR;	3397	unshift @INC, $LIBDIR;
2518		3398
2519	my $bug_warning = 0;	3399	my $bug_warning = 0;
2520		3400
		3401	our @WAIT_FOR_TICK;
		3402	our @WAIT_FOR_TICK_BEGIN;
		3403
		3404	sub wait_for_tick {
		3405	return unless $TICK_WATCHER->is_active;
		3406	return if $Coro::current == $Coro::main;
		3407
		3408	my $signal = new Coro::Signal;
		3409	push @WAIT_FOR_TICK, $signal;
		3410	$signal->wait;
		3411	}
		3412
		3413	sub wait_for_tick_begin {
		3414	return unless $TICK_WATCHER->is_active;
		3415	return if $Coro::current == $Coro::main;
		3416
		3417	my $signal = new Coro::Signal;
		3418	push @WAIT_FOR_TICK_BEGIN, $signal;
		3419	$signal->wait;
		3420	}
		3421
		3422	my $min = 1e6;#d#
		3423	my $avg = 10;
2521	$TICK_WATCHER = Event->timer (	3424	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	3425	reentrant => 0,
2523	parked => 1,	3426	parked => 1,
2524	prio => 0,	3427	prio => 0,
2525	at => $NEXT_TICK || $TICK,	3428	at => $NEXT_TICK || $TICK,
…		…
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3432	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3433	unless ++$bug_warning > 10;
2531	return;	3434	return;
2532	}	3435	}
2533		3436
2534	$NOW = Event::time;	3437	$NOW = $tick_start = Event::time;
2535		3438
2536	cf::server_tick; # one server iteration	3439	cf::server_tick; # one server iteration
		3440
		3441	0 && sync_job {#d#
		3442	for(1..10) {
		3443	my $t = Event::time;
		3444	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3445	or die;
		3446
		3447	$map->width (50);
		3448	$map->height (50);
		3449	$map->alloc;
		3450	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3451	my $t = Event::time - $t;
		3452
		3453	#next unless $t < 0.0013;#d#
		3454	if ($t < $min) {
		3455	$min = $t;
		3456	}
		3457	$avg = $avg * 0.99 + $t * 0.01;
		3458	}
		3459	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3460	exit 0;
		3461	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3462	};
		3463
2537	$RUNTIME += $TICK;	3464	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	3465	$NEXT_TICK += $TICK;
2539		3466
2540	$WAIT_FOR_TICK->broadcast;	3467	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3468	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		3469	Coro::async_pool {
2543	Event::sweep;	3470	write_runtime
2544	Coro::cede_notself;	3471	or warn "ERROR: unable to write runtime file: $!";
		3472	};
2545		3473	}
		3474
2546	# my $AFTER = Event::time;	3475	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#	3476	# warn $AFTER - $NOW;#d#
2548		3477
		3478	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3479	$sig->send;
		3480	}
		3481	while (my $sig = shift @WAIT_FOR_TICK) {
		3482	$sig->send;
		3483	}
		3484
		3485	$NOW = Event::time;
		3486
2549	# if we are delayed by four ticks or more, skip them all	3487	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3488	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2551		3489
2552	$TICK_WATCHER->at ($NEXT_TICK);	3490	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;	3491	$TICK_WATCHER->start;
		3492
		3493	$LOAD = ($NOW - $tick_start) / $TICK;
		3494	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3495
		3496	_post_tick;
		3497
		3498
2554	},	3499	},
2555	);	3500	);
2556		3501
		3502	{
		3503	BDB::max_poll_time $TICK * 0.1;
		3504	$BDB_POLL_WATCHER = Event->io (
		3505	reentrant => 0,
		3506	fd => BDB::poll_fileno,
		3507	poll => 'r',
		3508	prio => 0,
		3509	data => WF_AUTOCANCEL,
		3510	cb => \&BDB::poll_cb,
		3511	);
		3512	BDB::min_parallel 8;
		3513
		3514	BDB::set_sync_prepare {
		3515	my $status;
		3516	my $current = $Coro::current;
		3517	(
		3518	sub {
		3519	$status = $!;
		3520	$current->ready; undef $current;
		3521	},
		3522	sub {
		3523	Coro::schedule while defined $current;
		3524	$! = $status;
		3525	},
		3526	)
		3527	};
		3528
		3529	unless ($DB_ENV) {
		3530	$DB_ENV = BDB::db_env_create;
		3531
		3532	cf::sync_job {
		3533	eval {
		3534	BDB::db_env_open
		3535	$DB_ENV,
		3536	$BDBDIR,
		3537	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3538	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3539	0666;
		3540
		3541	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3542
		3543	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3544	$DB_ENV->set_lk_detect;
		3545	};
		3546
		3547	cf::cleanup "db_env_open(db): $@" if $@;
		3548	};
		3549	}
		3550	}
		3551
		3552	{
		3553	IO::AIO::min_parallel 8;
		3554
		3555	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	3556	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	3557	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	3558	reentrant => 0,
		3559	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	3560	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	3561	poll => 'r',
2564	prio => 6,	3562	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	3563	cb => \&IO::AIO::poll_cb,
2567	);	3564	);
		3565	}
2568		3566
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	3567	my $_log_backtrace;
2570	reentrant => 0,	3568
2571	data => WF_AUTOCANCEL,	3569	sub _log_backtrace {
2572	after => 1,	3570	my ($msg, @addr) = @_;
2573	interval => 10,	3571
2574	prio => 6, # keep it lowest so it acts like a watchdog	3572	$msg =~ s/\n//;
2575	cb => Coro::unblock_sub {	3573
2576	write_runtime	3574	# limit the # of concurrent backtraces
2577	or warn "ERROR: unable to write runtime file: $!";	3575	if ($_log_backtrace < 2) {
		3576	++$_log_backtrace;
		3577	async {
		3578	my @bt = fork_call {
		3579	@addr = map { sprintf "%x", $_ } @addr;
		3580	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3581	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3582	or die "addr2line: $!";
		3583
		3584	my @funcs;
		3585	my @res = <$fh>;
		3586	chomp for @res;
		3587	while (@res) {
		3588	my ($func, $line) = splice @res, 0, 2, ();
		3589	push @funcs, "[$func] $line";
		3590	}
		3591
		3592	@funcs
		3593	};
		3594
		3595	LOG llevInfo, "[ABT] $msg\n";
		3596	LOG llevInfo, "[ABT] $_\n" for @bt;
		3597	--$_log_backtrace;
		3598	};
		3599	} else {
		3600	LOG llevInfo, "[ABT] $msg\n";
		3601	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	3602	}
2579	);	3603	}
		3604
		3605	# load additional modules
		3606	use cf::pod;
2580		3607
2581	END { cf::emergency_save }	3608	END { cf::emergency_save }
2582		3609
2583	1	3610	1
2584		3611

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