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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.195 by root, Fri Jan 26 20:59:57 2007 UTC vs.
Revision 1.352 by root, Sun Sep 2 04:57:14 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;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our %PLAYER; # all users
60	our %MAP; # all maps	93	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	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
101	every server tick.	133	every server tick.
102		134
103	=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
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	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.
115		161
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	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
124	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
125	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.
126	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.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
139		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
140	LOG llevError, $msg;	193	LOG llevError, $msg;
141	};	194	};
142	}	195	}
143		196
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		204
151	# 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
152	# within the Safe compartment.	206	# within the Safe compartment.
153	for my $pkg (qw(	207	for my $pkg (qw(
154	cf::global cf::attachable	208	cf::global cf::attachable
…		…
162	}	216	}
163		217
164	$Event::DIED = sub {	218	$Event::DIED = sub {
165	warn "error in event callback: @_";	219	warn "error in event callback: @_";
166	};	220	};
		221
		222	#############################################################################
167		223
168	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
169		225
170	=over 4	226	=over 4
171		227
…		…
190	$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;
191	$d	247	$d
192	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
193	}	249	}
194		250
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
198		252
199	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
200		254
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
209		256
210	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
211		258
212	=cut	259	=cut
213		260
214	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
216	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
218		265
219	=item cf::lock_wait $string	266	=item cf::lock_wait $string
220		267
221	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
222		269
…		…
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
228	returned.	275	returned.
229		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
230	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
231	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
232		286
233	=cut	287	=cut
234		288
235	our %LOCK;	289	our %LOCK;
236		290
…		…
256	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
258	}	312	}
259	}	313	}
260		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
261	sub freeze_mainloop {	321	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
263		323
264	my $guard = Coro::guard {	324	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	325	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	326	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
270	$guard	328	$guard
		329	}
		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
271	}	385	}
272		386
273	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
274		388
275	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		394
281	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
282		396
283	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
284		398
285	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
288		403
289	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
292	fast or be very important.	407	fast or be very important.
…		…
295		410
296	sub sync_job(&) {	411	sub sync_job(&) {
297	my ($job) = @_;	412	my ($job) = @_;
298		413
299	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
300	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
302		419
303	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
315		432
316	while ($busy) {	433	while ($busy) {
317	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
318	}	435	}
319		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
320	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
321	} else {	445	} else {
322	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
323		447
324	$job->()	448	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
344		468
345	$coro	469	$coro
346	}	470	}
347		471
348	sub write_runtime {	472	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		473
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
352	or return;	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
353		478
354	my $value = $cf::RUNTIME + 90 + 10;	479	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		480
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	sub fork_call(&@) {
359	and return;	482	my ($cb, @args) = @_;
360		483
361	aio_fsync $fh	484	# we seemingly have to make a local copy of the whole thing,
362	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
363		487
364	close $fh	488	my @res = Coro::Util::fork_eval {
365	or return;	489	reset_signals;
		490	&$cb
		491	}, @args;
366		492
367	aio_rename "$runtime~", $runtime	493	wantarray ? @res : $res[-1]
368	and return;	494	}
369		495
		496	=item $value = cf::db_get $family => $key
		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
370	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	621	}
372		622
373	=back	623	=back
374		624
375	=cut	625	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
384		634
385	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	637	Crossfire TRT).
388		638
389	=over 4	639	=over 4
390		640
391	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
392		642
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
556		806
557	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		811
562	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	813	my $pkg = shift @arg;
564		814
565	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
595	}	845	}
596		846
597	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
598	} else {	848	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	850	}
601		851
602	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
603	}	853	}
604		854
…		…
606	if (ref $_[0]) {	856	if (ref $_[0]) {
607	_object_attach @_;	857	_object_attach @_;
608	} else {	858	} else {
609	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
610	}	860	}
		861	_recalc_want;
611	};	862	};
612		863
613	# all those should be optimised	864	# all those should be optimised
614	sub cf::attachable::detach {	865	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
619	reattach ($obj);	870	reattach ($obj);
620	} else {	871	} else {
621	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
622	}	873	}
		874	_recalc_want;
623	};	875	};
624		876
625	sub cf::attachable::attached {	877	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
627		879
…		…
642	";	894	";
643	die if $@;	895	die if $@;
644	}	896	}
645		897
646	our $override;	898	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		900
649	sub override {	901	sub override {
650	$override = 1;	902	$override = 1;
651	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
652	}	904	}
653		905
654	sub do_invoke {	906	sub do_invoke {
655	my $event = shift;	907	my $event = shift;
656	my $callbacks = shift;	908	my $callbacks = shift;
657		909
658	@invoke_results = ();	910	@INVOKE_RESULTS = ();
659		911
660	local $override;	912	local $override;
661		913
662	for (@$callbacks) {	914	for (@$callbacks) {
663	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
680		932
681	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
682		934
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		938
687	=back	939	=back
688		940
689	=cut	941	=cut
690		942
691	#############################################################################	943	#############################################################################
692	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
693		956
694	sub reattach {	957	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	959	my ($obj) = @_;
697		960
…		…
750	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
751		1014
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1019	close $fh;
757		1020
758	if (@$objs) {	1021	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1027	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
766	}	1029	}
767	} else {	1030	} else {
768	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
800	or return;	1063	or return;
801	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
802	}	1065	}
803		1066
804	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
806	return ($data, $av);	1069	return ($data, $av);
807	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
808		1077
809	#############################################################################	1078	#############################################################################
810	# command handling &c	1079	# command handling &c
811		1080
812	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1095	}
827		1096
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1098
830	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
831		1104
832	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
833	called.	1106	called.
834		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
835	=cut	1119	=cut
836		1120
837	sub register_extcmd {	1121	sub register_extcmd {
838	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
839		1123
840	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
841	}	1131	}
842		1132
843	cf::player->attach (	1133	cf::player->attach (
844	on_command => sub {	1134	on_command => sub {
845	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1144	cf::override;
855	},	1145	},
856	on_extcmd => sub {	1146	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
858		1148
859	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1150
861	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
867	} else {	1166	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1168	}
870		1169
871	cf::override;	1170	cf::override;
872	},	1171	},
873	);	1172	);
874		1173
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
910	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1179	next unless -r $path;
912	eval {	1180
913	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
914	1	1238	}
915	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
916	}	1244	};
917	}	1245	}
918		1246
919	#############################################################################	1247	#############################################################################
920		1248
		1249	=back
		1250
921	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
922		1252
923	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
924		1254
925	=cut	1255	=cut
…		…
937	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
938		1268
939	=cut	1269	=cut
940		1270
941	sub playerdir($) {	1271	sub playerdir($) {
942	cf::localdir	1272	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1274	}
948		1275
949	sub path($) {	1276	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1278
952	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
953	}	1280	}
954		1281
955	sub find_active($) {	1282	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1297	my $login = $_[0];
971		1298
972	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
973		1300
974	$cf::PLAYER{$_[0]} || do {	1301	$cf::PLAYER{$_[0]} || do {
		1302	# rename old playerfiles to new ones
		1303	#TODO: remove when no longer required
		1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1307	aio_unlink +(playerdir $login) . "/$login.pl";
		1308
975	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
976	or return;	1310	or return;
977	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
978	}	1312	}
979	}	1313	}
…		…
991		1325
992	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
994		1328
995	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
996	Coro::cede;	1330	cf::cede_to_tick;
997	}	1331	}
998		1332
999	sub new($) {	1333	sub new($) {
1000	my ($login) = @_;	1334	my ($login) = @_;
1001		1335
…		…
1007	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1008		1342
1009	$self	1343	$self
1010	}	1344	}
1011		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
		1354	}
		1355
1012	=item $pl->quit_character	1356	=item $pl->quit_character
1013		1357
1014	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1016		1360
1017	=cut	1361	=cut
1018		1362
1019	sub quit_character {	1363	sub quit_character {
1020	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1021		1367
1022	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1369	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1370
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1380	$pl->destroy;
		1381
		1382	my $prefix = qr<^~\Q$name\E/>;
		1383
		1384	# nuke player maps
		1385	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1386
1035	IO::AIO::aio_rmtree $temp;	1387	IO::AIO::aio_rmtree $temp;
		1388	}
		1389
		1390	=item $pl->kick
		1391
		1392	Kicks a player out of the game. This destroys the connection.
		1393
		1394	=cut
		1395
		1396	sub kick {
		1397	my ($pl, $kicker) = @_;
		1398
		1399	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1400	$pl->killer ("kicked");
		1401	$pl->ns->destroy;
1036	}	1402	}
1037		1403
1038	=item cf::player::list_logins	1404	=item cf::player::list_logins
1039		1405
1040	Returns am arrayref of all valid playernames in the system, can take a	1406	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1042		1408
1043	=cut	1409	=cut
1044		1410
1045	sub list_logins {	1411	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1413	or return [];
1048		1414
1049	my @logins;	1415	my @logins;
1050		1416
1051	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1068	=cut	1434	=cut
1069		1435
1070	sub maps($) {	1436	sub maps($) {
1071	my ($pl) = @_;	1437	my ($pl) = @_;
1072		1438
		1439	$pl = ref $pl ? $pl->ob->name : $pl;
		1440
1073	my $files = aio_readdir playerdir $pl	1441	my $files = aio_readdir playerdir $pl
1074	or return;	1442	or return;
1075		1443
1076	my @paths;	1444	my @paths;
1077		1445
1078	for (@$files) {	1446	for (@$files) {
1079	utf8::decode $_;	1447	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1448	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1449	next unless /^$PATH_SEP/o;
1082		1450
1083	s/\.map$//;	1451	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1452	}
1086		1453
1087	\@paths	1454	\@paths
1088	}	1455	}
1089		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGHT])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1478	# replace G<male|female> tags
		1479	|| s{G<([^>|]*)\|([^>]*)>}{
		1480	$self->gender ? $2 : $1
		1481	}ge
		1482	# replace H<hint text>
		1483	|| s{H<([^\>]*)>}
		1484	{
		1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1487	"")
		1488	[$self->{hintmode}]
		1489	}ge;
		1490
		1491	# create single paragraphs (very hackish)
		1492	s/(?<=\S)\n(?=\w)/ /g;
		1493
		1494	# compress some whitespace
		1495	s/\s+\n/\n/g; # ws line-ends
		1496	s/\n\n+/\n/g; # double lines
		1497	s/^\n+//; # beginning lines
		1498	s/\n+$//; # ending lines
		1499
		1500	$_
		1501	}
		1502
		1503	sub hintmode {
		1504	$_[0]{hintmode} = $_[1] if @_ > 1;
		1505	$_[0]{hintmode}
		1506	}
		1507
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1508	=item $player->ext_reply ($msgid, @msg)
1091		1509
1092	Sends an ext reply to the player.	1510	Sends an ext reply to the player.
1093		1511
1094	=cut	1512	=cut
1095		1513
1096	sub ext_reply($$$%) {	1514	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1515	my ($self, $id, @msg) = @_;
1098		1516
1099	$msg{msgid} = $id;	1517	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1518	}
1103		1519
1104	package cf;	1520	=item $player->ext_msg ($type, @msg)
		1521
		1522	Sends an ext event to the client.
		1523
		1524	=cut
		1525
		1526	sub ext_msg($$@) {
		1527	my ($self, $type, @msg) = @_;
		1528
		1529	$self->ns->ext_msg ($type, @msg);
		1530	}
		1531
		1532	=head3 cf::region
		1533
		1534	=over 4
		1535
		1536	=cut
		1537
		1538	package cf::region;
		1539
		1540	=item cf::region::find_by_path $path
		1541
		1542	Tries to decuce the likely region for a map knowing only its path.
		1543
		1544	=cut
		1545
		1546	sub find_by_path($) {
		1547	my ($path) = @_;
		1548
		1549	my ($match, $specificity);
		1550
		1551	for my $region (list) {
		1552	if ($region->{match} && $path =~ $region->{match}) {
		1553	($match, $specificity) = ($region, $region->specificity)
		1554	if $region->specificity > $specificity;
		1555	}
		1556	}
		1557
		1558	$match
		1559	}
1105		1560
1106	=back	1561	=back
1107
1108		1562
1109	=head3 cf::map	1563	=head3 cf::map
1110		1564
1111	=over 4	1565	=over 4
1112		1566
…		…
1167	my ($self, $merge) = @_;	1621	my ($self, $merge) = @_;
1168		1622
1169	# we have to keep some variables in memory intact	1623	# we have to keep some variables in memory intact
1170	local $self->{path};	1624	local $self->{path};
1171	local $self->{load_path};	1625	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1626
1175	$self->SUPER::thawer_merge ($merge);	1627	$self->SUPER::thawer_merge ($merge);
1176	}	1628	}
1177		1629
1178	sub normalise {	1630	sub normalise {
1179	my ($path, $base) = @_;	1631	my ($path, $base) = @_;
1180		1632
1181	$path = "$path"; # make sure its a string	1633	$path = "$path"; # make sure its a string
		1634
		1635	$path =~ s/\.map$//;
1182		1636
1183	# map plan:	1637	# map plan:
1184	#	1638	#
1185	# /! non-realised random map exit (special hack!)	1639	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1640	# {... are special paths that are not being touched
…		…
1223	$self->init; # pass $1 etc.	1677	$self->init; # pass $1 etc.
1224	return $self;	1678	return $self;
1225	}	1679	}
1226	}	1680	}
1227		1681
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	1682	Carp::cluck "unable to resolve path '$path' (base '$base').";
1229	()	1683	()
1230	}	1684	}
1231		1685
1232	sub init {	1686	sub init {
1233	my ($self) = @_;	1687	my ($self) = @_;
…		…
1248		1702
1249	# the original (read-only) location	1703	# the original (read-only) location
1250	sub load_path {	1704	sub load_path {
1251	my ($self) = @_;	1705	my ($self) = @_;
1252		1706
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1707	"$MAPDIR/$self->{path}.map"
1254	}	1708	}
1255		1709
1256	# the temporary/swap location	1710	# the temporary/swap location
1257	sub save_path {	1711	sub save_path {
1258	my ($self) = @_;	1712	my ($self) = @_;
1259		1713
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1715	"$TMPDIR/$path.map"
1262	}	1716	}
1263		1717
1264	# the unique path, undef == no special unique path	1718	# the unique path, undef == no special unique path
1265	sub uniq_path {	1719	sub uniq_path {
1266	my ($self) = @_;	1720	my ($self) = @_;
1267		1721
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1723	"$UNIQUEDIR/$path"
1270	}	1724	}
1271		1725
1272	# and all this just because we cannot iterate over	1726	# and all this just because we cannot iterate over
1273	# all maps in C++...	1727	# all maps in C++...
1274	sub change_all_map_light {	1728	sub change_all_map_light {
…		…
1276		1730
1277	$_->change_map_light ($change)	1731	$_->change_map_light ($change)
1278	for grep $_->outdoor, values %cf::MAP;	1732	for grep $_->outdoor, values %cf::MAP;
1279	}	1733	}
1280		1734
		1735	sub decay_objects {
		1736	my ($self) = @_;
		1737
		1738	return if $self->{deny_reset};
		1739
		1740	$self->do_decay_objects;
		1741	}
		1742
1281	sub unlink_save {	1743	sub unlink_save {
1282	my ($self) = @_;	1744	my ($self) = @_;
1283		1745
1284	utf8::encode (my $save = $self->save_path);	1746	utf8::encode (my $save = $self->save_path);
1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1288		1750
1289	sub load_header_from($) {	1751	sub load_header_from($) {
1290	my ($self, $path) = @_;	1752	my ($self, $path) = @_;
1291		1753
1292	utf8::encode $path;	1754	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1755	#aio_open $path, O_RDONLY, 0
1294	or return;	1756	# or return;
1295		1757
1296	$self->_load_header ($path)	1758	$self->_load_header ($path)
1297	or return;	1759	or return;
1298		1760
1299	$self->{load_path} = $path;	1761	$self->{load_path} = $path;
…		…
1341	$self->load_header_orig	1803	$self->load_header_orig
1342	or return;	1804	or return;
1343	$self->prepare_orig;	1805	$self->prepare_orig;
1344	}	1806	}
1345		1807
		1808	$self->{deny_reset} = 1
		1809	if $self->no_reset;
		1810
		1811	$self->default_region (cf::region::find_by_path $self->{path})
		1812	unless $self->default_region;
		1813
1346	1	1814	1
1347	}	1815	}
1348		1816
1349	sub find;	1817	sub find;
1350	sub find {	1818	sub find {
…		…
1362	$map->{last_save} = $cf::RUNTIME;	1830	$map->{last_save} = $cf::RUNTIME;
1363		1831
1364	$map->load_header	1832	$map->load_header
1365	or return;	1833	or return;
1366		1834
1367	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	1836	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	1837	#$cf::WAIT_FOR_TICK->wait;
1370	$map->reset;	1838	$map->reset;
1371	undef $guard;	1839	undef $guard;
1372	return find $path;	1840	return find $path;
…		…
1380	sub post_load { }	1848	sub post_load { }
1381		1849
1382	sub load {	1850	sub load {
1383	my ($self) = @_;	1851	my ($self) = @_;
1384		1852
		1853	local $self->{deny_reset} = 1; # loading can take a long time
		1854
1385	my $path = $self->{path};	1855	my $path = $self->{path};
		1856
		1857	{
		1858	my $guard1 = cf::lock_acquire "map_data:$path";
1386	my $guard = cf::lock_acquire "map_load:$path";	1859	my $guard2 = cf::lock_acquire "map_load:$path";
1387		1860
1388	return if $self->in_memory != cf::MAP_SWAPPED;	1861	return if $self->in_memory != cf::MAP_SWAPPED;
1389		1862
1390	$self->in_memory (cf::MAP_LOADING);	1863	$self->in_memory (cf::MAP_LOADING);
1391		1864
1392	$self->alloc;	1865	$self->alloc;
1393		1866
1394	$self->pre_load;	1867	$self->pre_load;
		1868	cf::cede_to_tick;
1395		1869
1396	$self->_load_objects ($self->{load_path}, 1)	1870	$self->_load_objects ($self->{load_path}, 1)
1397	or return;	1871	or return;
1398		1872
1399	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1400	if delete $self->{load_original};	1874	if delete $self->{load_original};
1401		1875
1402	if (my $uniq = $self->uniq_path) {	1876	if (my $uniq = $self->uniq_path) {
1403	utf8::encode $uniq;	1877	utf8::encode $uniq;
1404	if (aio_open $uniq, O_RDONLY, 0) {	1878	if (aio_open $uniq, O_RDONLY, 0) {
1405	$self->clear_unique_items;	1879	$self->clear_unique_items;
1406	$self->_load_objects ($uniq, 0);	1880	$self->_load_objects ($uniq, 0);
1407	}	1881	}
1408	}	1882	}
1409		1883
1410	Coro::cede;	1884	cf::cede_to_tick;
1411
1412	# now do the right thing for maps	1885	# now do the right thing for maps
1413	$self->link_multipart_objects;	1886	$self->link_multipart_objects;
1414
1415	unless ($self->{deny_activate}) {
1416	$self->decay_objects;
1417	$self->fix_auto_apply;
1418	$self->update_buttons;
1419	Coro::cede;
1420	$self->set_darkness_map;
1421	$self->difficulty ($self->estimate_difficulty)	1887	$self->difficulty ($self->estimate_difficulty)
1422	unless $self->difficulty;	1888	unless $self->difficulty;
1423	Coro::cede;	1889	cf::cede_to_tick;
		1890
		1891	unless ($self->{deny_activate}) {
		1892	$self->decay_objects;
		1893	$self->fix_auto_apply;
		1894	$self->update_buttons;
		1895	cf::cede_to_tick;
		1896	$self->set_darkness_map;
		1897	cf::cede_to_tick;
1424	$self->activate;	1898	$self->activate;
		1899	}
		1900
		1901	$self->{last_save} = $cf::RUNTIME;
		1902	$self->last_access ($cf::RUNTIME);
		1903
		1904	$self->in_memory (cf::MAP_IN_MEMORY);
1425	}	1905	}
1426		1906
1427	$self->post_load;	1907	$self->post_load;
1428
1429	$self->in_memory (cf::MAP_IN_MEMORY);
1430	}	1908	}
1431		1909
1432	sub customise_for {	1910	sub customise_for {
1433	my ($self, $ob) = @_;	1911	my ($self, $ob) = @_;
1434		1912
1435	return find "~" . $ob->name . "/" . $self->{path}	1913	return find "~" . $ob->name . "/" . $self->{path}
1436	if $self->per_player;	1914	if $self->per_player;
1437		1915
		1916	# return find "?party/" . $ob->name . "/" . $self->{path}
		1917	# if $self->per_party;
		1918
1438	$self	1919	$self
1439	}	1920	}
1440		1921
1441	# find and load all maps in the 3x3 area around a map	1922	# find and load all maps in the 3x3 area around a map
1442	sub load_diag {	1923	sub load_neighbours {
1443	my ($map) = @_;	1924	my ($map) = @_;
1444		1925
1445	my @diag; # diagonal neighbours	1926	my @neigh; # diagonal neighbours
1446		1927
1447	for (0 .. 3) {	1928	for (0 .. 3) {
1448	my $neigh = $map->tile_path ($_)	1929	my $neigh = $map->tile_path ($_)
1449	or next;	1930	or next;
1450	$neigh = find $neigh, $map	1931	$neigh = find $neigh, $map
1451	or next;	1932	or next;
1452	$neigh->load;	1933	$neigh->load;
1453		1934
		1935	push @neigh,
1454	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1455	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1456	}	1938	}
1457		1939
1458	for (@diag) {	1940	for (grep defined $_->[0], @neigh) {
		1941	my ($path, $origin) = @$_;
1459	my $neigh = find @$_	1942	my $neigh = find $path, $origin
1460	or next;	1943	or next;
1461	$neigh->load;	1944	$neigh->load;
1462	}	1945	}
1463	}	1946	}
1464		1947
…		…
1469	}	1952	}
1470		1953
1471	sub do_load_sync {	1954	sub do_load_sync {
1472	my ($map) = @_;	1955	my ($map) = @_;
1473		1956
		1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1958	if $Coro::current == $Coro::main;
		1959
1474	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
1475	}	1961	}
1476		1962
1477	our %MAP_PREFETCH;	1963	our %MAP_PREFETCH;
1478	our $MAP_PREFETCHER = undef;	1964	our $MAP_PREFETCHER = undef;
1479		1965
1480	sub find_async {	1966	sub find_async {
1481	my ($path, $origin) = @_;	1967	my ($path, $origin, $load) = @_;
1482		1968
1483	$path = normalise $path, $origin && $origin->{path};	1969	$path = normalise $path, $origin && $origin->{path};
1484		1970
1485	if (my $map = $cf::MAP{$path}) {	1971	if (my $map = $cf::MAP{$path}) {
1486	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1487	}	1973	}
1488		1974
1489	undef $MAP_PREFETCH{$path};	1975	$MAP_PREFETCH{$path} |= $load;
		1976
1490	$MAP_PREFETCHER ||= cf::async {	1977	$MAP_PREFETCHER ||= cf::async {
1491	while (%MAP_PREFETCH) {	1978	while (%MAP_PREFETCH) {
1492	for my $path (keys %MAP_PREFETCH) {	1979	while (my ($k, $v) = each %MAP_PREFETCH) {
1493	my $map = find $path	1980	if (my $map = find $k) {
1494	or next;
1495	$map->load;	1981	$map->load if $v;
		1982	}
1496		1983
1497	delete $MAP_PREFETCH{$path};	1984	delete $MAP_PREFETCH{$k};
1498	}	1985	}
1499	}	1986	}
1500	undef $MAP_PREFETCHER;	1987	undef $MAP_PREFETCHER;
1501	};	1988	};
1502	$MAP_PREFETCHER->prio (6);	1989	$MAP_PREFETCHER->prio (6);
…		…
1505	}	1992	}
1506		1993
1507	sub save {	1994	sub save {
1508	my ($self) = @_;	1995	my ($self) = @_;
1509		1996
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		1998
1512	$self->{last_save} = $cf::RUNTIME;	1999	$self->{last_save} = $cf::RUNTIME;
1513		2000
1514	return unless $self->dirty;	2001	return unless $self->dirty;
1515		2002
…		…
1538	my ($self) = @_;	2025	my ($self) = @_;
1539		2026
1540	# save first because save cedes	2027	# save first because save cedes
1541	$self->save;	2028	$self->save;
1542		2029
1543	my $lock = cf::lock_acquire "map_data:" . $self->path;	2030	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2031
1545	return if $self->players;	2032	return if $self->players;
1546	return if $self->in_memory != cf::MAP_IN_MEMORY;	2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
1547	return if $self->{deny_save};	2034	return if $self->{deny_save};
1548		2035
…		…
1552		2039
1553	sub reset_at {	2040	sub reset_at {
1554	my ($self) = @_;	2041	my ($self) = @_;
1555		2042
1556	# TODO: safety, remove and allow resettable per-player maps	2043	# TODO: safety, remove and allow resettable per-player maps
1557	return 1e99 if $self->isa ("ext::map_per_player");#d#
1558	return 1e99 if $self->{deny_reset};	2044	return 1e99 if $self->{deny_reset};
1559		2045
1560	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2046	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1561	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2047	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1562		2048
…		…
1573	my ($self) = @_;	2059	my ($self) = @_;
1574		2060
1575	my $lock = cf::lock_acquire "map_data:$self->{path}";	2061	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2062
1577	return if $self->players;	2063	return if $self->players;
1578	return if $self->isa ("ext::map_per_player");#d#
1579		2064
1580	warn "resetting map ", $self->path;#d#	2065	warn "resetting map ", $self->path;
		2066
		2067	$self->in_memory (cf::MAP_SWAPPED);
		2068
		2069	# need to save uniques path
		2070	unless ($self->{deny_save}) {
		2071	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2072
		2073	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2074	if $uniq;
		2075	}
1581		2076
1582	delete $cf::MAP{$self->path};	2077	delete $cf::MAP{$self->path};
1583		2078
1584	$self->in_memory (cf::MAP_SWAPPED);
1585	$self->clear;	2079	$self->clear;
1586		2080
1587	$_->clear_links_to ($self) for values %cf::MAP;	2081	$_->clear_links_to ($self) for values %cf::MAP;
1588		2082
1589	$self->unlink_save;	2083	$self->unlink_save;
…		…
1593	my $nuke_counter = "aaaa";	2087	my $nuke_counter = "aaaa";
1594		2088
1595	sub nuke {	2089	sub nuke {
1596	my ($self) = @_;	2090	my ($self) = @_;
1597		2091
		2092	{
		2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2094
1598	delete $cf::MAP{$self->path};	2095	delete $cf::MAP{$self->path};
1599		2096
1600	$self->unlink_save;	2097	$self->unlink_save;
1601		2098
1602	bless $self, "cf::map";	2099	bless $self, "cf::map";
1603	delete $self->{deny_reset};	2100	delete $self->{deny_reset};
1604	$self->{deny_save} = 1;	2101	$self->{deny_save} = 1;
1605	$self->reset_timeout (1);	2102	$self->reset_timeout (1);
1606	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1607		2104
1608	$cf::MAP{$self->path} = $self;	2105	$cf::MAP{$self->path} = $self;
		2106	}
1609		2107
1610	$self->reset; # polite request, might not happen	2108	$self->reset; # polite request, might not happen
		2109	}
		2110
		2111	=item $maps = cf::map::tmp_maps
		2112
		2113	Returns an arrayref with all map paths of currently instantiated and saved
		2114	maps. May block.
		2115
		2116	=cut
		2117
		2118	sub tmp_maps() {
		2119	[
		2120	map {
		2121	utf8::decode $_;
		2122	/\.map$/
		2123	? normalise $_
		2124	: ()
		2125	} @{ aio_readdir $TMPDIR or [] }
		2126	]
		2127	}
		2128
		2129	=item $maps = cf::map::random_maps
		2130
		2131	Returns an arrayref with all map paths of currently instantiated and saved
		2132	random maps. May block.
		2133
		2134	=cut
		2135
		2136	sub random_maps() {
		2137	[
		2138	map {
		2139	utf8::decode $_;
		2140	/\.map$/
		2141	? normalise "?random/$_"
		2142	: ()
		2143	} @{ aio_readdir $RANDOMDIR or [] }
		2144	]
1611	}	2145	}
1612		2146
1613	=item cf::map::unique_maps	2147	=item cf::map::unique_maps
1614		2148
1615	Returns an arrayref of paths of all shared maps that have	2149	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2150	instantiated unique items. May block.
1617		2151
1618	=cut	2152	=cut
1619		2153
1620	sub unique_maps() {	2154	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2155	[
1622	or return;	2156	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2157	utf8::decode $_;
1628	next if /\.pst$/;
1629	next unless /^$PATH_SEP/o;
1630
1631	s/\.map$//;	2158	/\.map$/
1632	push @paths, $_;	2159	? normalise $_
		2160	: ()
		2161	} @{ aio_readdir $UNIQUEDIR or [] }
1633	}	2162	]
1634
1635	\@paths
1636	}	2163	}
1637		2164
1638	package cf;	2165	package cf;
1639		2166
1640	=back	2167	=back
…		…
1686		2213
1687	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2214	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1688		2215
1689	if ($self->{record_replies}) {	2216	if ($self->{record_replies}) {
1690	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2217	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2218
1691	} else {	2219	} else {
		2220	my $pl = $self->contr;
		2221
		2222	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2223	my $dialog = $pl->{npc_dialog};
		2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2225
		2226	} else {
1692	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1693	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1694	}	2230	}
		2231	}
		2232
		2233	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2234
		2235	=cut
		2236
		2237	sub cf::object::send_msg {
		2238	my $pl = shift->contr
		2239	or return;
		2240	$pl->send_msg (@_);
1695	}	2241	}
1696		2242
1697	=item $player_object->may ("access")	2243	=item $player_object->may ("access")
1698		2244
1699	Returns wether the given player is authorized to access resource "access"	2245	Returns wether the given player is authorized to access resource "access"
…		…
1731	=cut	2277	=cut
1732		2278
1733	sub link_map {	2279	sub link_map {
1734	unless ($LINK_MAP) {	2280	unless ($LINK_MAP) {
1735	$LINK_MAP = cf::map::find "{link}"	2281	$LINK_MAP = cf::map::find "{link}"
1736	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2282	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1737	$LINK_MAP->load;	2283	$LINK_MAP->load;
1738	}	2284	}
1739		2285
1740	$LINK_MAP	2286	$LINK_MAP
1741	}	2287	}
…		…
1746	$self->deactivate_recursive;	2292	$self->deactivate_recursive;
1747		2293
1748	return if UNIVERSAL::isa $self->map, "ext::map_link";	2294	return if UNIVERSAL::isa $self->map, "ext::map_link";
1749		2295
1750	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1751	if $self->map;	2297	if $self->map && $self->map->{path} ne "{link}";
1752		2298
1753	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1754	}	2300	}
1755		2301
1756	sub cf::object::player::leave_link {	2302	sub cf::object::player::leave_link {
1757	my ($self, $map, $x, $y) = @_;	2303	my ($self, $map, $x, $y) = @_;
		2304
		2305	return unless $self->contr->active;
1758		2306
1759	my $link_pos = delete $self->{_link_pos};	2307	my $link_pos = delete $self->{_link_pos};
1760		2308
1761	unless ($map) {	2309	unless ($map) {
1762	# restore original map position	2310	# restore original map position
…		…
1776	# use -1 or undef as default coordinates, not 0, 0	2324	# use -1 or undef as default coordinates, not 0, 0
1777	($x, $y) = ($map->enter_x, $map->enter_y)	2325	($x, $y) = ($map->enter_x, $map->enter_y)
1778	if $x <=0 && $y <= 0;	2326	if $x <=0 && $y <= 0;
1779		2327
1780	$map->load;	2328	$map->load;
1781	$map->load_diag;	2329	$map->load_neighbours;
1782		2330
1783	return unless $self->contr->active;	2331	return unless $self->contr->active;
1784	$self->activate_recursive;	2332	$self->activate_recursive;
		2333
		2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1785	$self->enter_map ($map, $x, $y);	2335	$self->enter_map ($map, $x, $y);
1786	}	2336	}
1787		2337
1788	cf::player->attach (	2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1789	on_logout => sub {
1790	my ($pl) = @_;
1791		2339
1792	# abort map switching before logout	2340	Moves the player to the given map-path and coordinates by first freezing
1793	if ($pl->ob->{_link_pos}) {	2341	her, loading and preparing them map, calling the provided $check callback
1794	cf::sync_job {	2342	that has to return the map if sucecssful, and then unfreezes the player on
1795	$pl->ob->leave_link	2343	the new (success) or old (failed) map position. In either case, $done will
1796	};	2344	be called at the end of this process.
1797	}
1798	},
1799	on_login => sub {
1800	my ($pl) = @_;
1801		2345
1802	# try to abort aborted map switching on player login :)
1803	# should happen only on crashes
1804	if ($pl->ob->{_link_pos}) {
1805	$pl->ob->enter_link;
1806	(async {
1807	# we need this sleep as the login has a concurrent enter_exit running
1808	# and this sleep increases chances of the player not ending up in scorn
1809	$pl->ob->reply (undef,
1810	"There was an internal problem at your last logout, "
1811	. "the server will try to bring you to your intended destination in a second.",
1812	cf::NDI_RED);
1813	Coro::Timer::sleep 1;
1814	$pl->ob->leave_link;
1815	})->prio (2);
1816	}
1817	},
1818	);
1819
1820	=item $player_object->goto ($path, $x, $y)
1821
1822	=cut	2346	=cut
		2347
		2348	our $GOTOGEN;
1823		2349
1824	sub cf::object::player::goto {	2350	sub cf::object::player::goto {
1825	my ($self, $path, $x, $y) = @_;	2351	my ($self, $path, $x, $y, $check, $done) = @_;
		2352
		2353	# do generation counting so two concurrent goto's will be executed in-order
		2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1826		2355
1827	$self->enter_link;	2356	$self->enter_link;
1828		2357
1829	(async {	2358	(async {
		2359	my $map = eval {
1830	my $map = cf::map::find $path;	2360	my $map = cf::map::find $path;
		2361
		2362	if ($map) {
1831	$map = $map->customise_for ($self) if $map;	2363	$map = $map->customise_for ($self);
1832		2364	$map = $check->($map) if $check && $map;
1833	# warn "entering ", $map->path, " at ($x, $y)\n"	2365	} else {
1834	# if $map;
1835
1836	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2367	}
1837		2368
		2369	$map
		2370	};
		2371
		2372	if ($@) {
		2373	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2374	LOG llevError | logBacktrace, Carp::longmess $@;
		2375	}
		2376
		2377	if ($gen == $self->{_goto_generation}) {
		2378	delete $self->{_goto_generation};
1838	$self->leave_link ($map, $x, $y);	2379	$self->leave_link ($map, $x, $y);
		2380	}
		2381
		2382	$done->() if $done;
1839	})->prio (1);	2383	})->prio (1);
1840	}	2384	}
1841		2385
1842	=item $player_object->enter_exit ($exit_object)	2386	=item $player_object->enter_exit ($exit_object)
1843		2387
…		…
1872	# that depends on the exit object	2416	# that depends on the exit object
1873		2417
1874	my $rmp = parse_random_map_params $exit->msg;	2418	my $rmp = parse_random_map_params $exit->msg;
1875		2419
1876	if ($exit->map) {	2420	if ($exit->map) {
1877	$rmp->{region} = $exit->map->region_name;	2421	$rmp->{region} = $exit->region->name;
1878	$rmp->{origin_map} = $exit->map->path;	2422	$rmp->{origin_map} = $exit->map->path;
1879	$rmp->{origin_x} = $exit->x;	2423	$rmp->{origin_x} = $exit->x;
1880	$rmp->{origin_y} = $exit->y;	2424	$rmp->{origin_y} = $exit->y;
1881	}	2425	}
1882		2426
1883	$rmp->{random_seed} ||= $exit->random_seed;	2427	$rmp->{random_seed} ||= $exit->random_seed;
1884		2428
1885	my $data = cf::to_json $rmp;	2429	my $data = cf::to_json $rmp;
1886	my $md5 = Digest::MD5::md5_hex $data;	2430	my $md5 = Digest::MD5::md5_hex $data;
1887	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2431	my $meta = "$RANDOMDIR/$md5.meta";
1888		2432
1889	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1890	aio_write $fh, 0, (length $data), $data, 0;	2434	aio_write $fh, 0, (length $data), $data, 0;
1891	undef $fh;	2435	undef $fh;
1892	aio_rename "$meta~", $meta;	2436	aio_rename "$meta~", $meta;
…		…
1901		2445
1902	return unless $self->type == cf::PLAYER;	2446	return unless $self->type == cf::PLAYER;
1903		2447
1904	if ($exit->slaying eq "/!") {	2448	if ($exit->slaying eq "/!") {
1905	#TODO: this should de-fi-ni-te-ly not be a sync-job	2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2450	# the problem is that $exit might not survive long enough
		2451	# so it needs to be done right now, right here
1906	cf::sync_job { prepare_random_map $exit };	2452	cf::sync_job { prepare_random_map $exit };
1907	}	2453	}
1908		2454
1909	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1910	my $hp = $exit->stats->hp;	2456	my $hp = $exit->stats->hp;
1911	my $sp = $exit->stats->sp;	2457	my $sp = $exit->stats->sp;
1912		2458
1913	$self->enter_link;	2459	$self->enter_link;
		2460
		2461	# if exit is damned, update players death & WoR home-position
		2462	$self->contr->savebed ($slaying, $hp, $sp)
		2463	if $exit->flag (FLAG_DAMNED);
1914		2464
1915	(async {	2465	(async {
1916	$self->deactivate_recursive; # just to be sure	2466	$self->deactivate_recursive; # just to be sure
1917	unless (eval {	2467	unless (eval {
1918	$self->goto ($slaying, $hp, $sp);	2468	$self->goto ($slaying, $hp, $sp);
1919		2469
1920	1;	2470	1;
1921	}) {	2471	}) {
1922	$self->message ("Something went wrong deep within the crossfire server. "	2472	$self->message ("Something went wrong deep within the crossfire server. "
1923	. "I'll try to bring you back to the map you were before. "	2473	. "I'll try to bring you back to the map you were before. "
1924	. "Please report this to the dungeon master!",	2474	. "Please report this to the dungeon master!",
1925	cf::NDI_UNIQUE | cf::NDI_RED);	2475	cf::NDI_UNIQUE | cf::NDI_RED);
1926		2476
1927	warn "ERROR in enter_exit: $@";	2477	warn "ERROR in enter_exit: $@";
1928	$self->leave_link;	2478	$self->leave_link;
1929	}	2479	}
1930	})->prio (1);	2480	})->prio (1);
…		…
1943		2493
1944	sub cf::client::send_drawinfo {	2494	sub cf::client::send_drawinfo {
1945	my ($self, $text, $flags) = @_;	2495	my ($self, $text, $flags) = @_;
1946		2496
1947	utf8::encode $text;	2497	utf8::encode $text;
1948	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1949	}	2499	}
1950		2500
		2501	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2502
		2503	Send a drawinfo or msg packet to the client, formatting the msg for the
		2504	client if neccessary. C<$type> should be a string identifying the type of
		2505	the message, with C<log> being the default. If C<$color> is negative, suppress
		2506	the message unless the client supports the msg packet.
		2507
		2508	=cut
		2509
		2510	our %CHANNEL = (
		2511	"c/identify" => {
		2512	id => "identify",
		2513	title => "Identify",
		2514	reply => undef,
		2515	tooltip => "Items recently identified",
		2516	},
		2517	"c/examine" => {
		2518	id => "examine",
		2519	title => "Examine",
		2520	reply => undef,
		2521	tooltip => "Signs and other items you examined",
		2522	},
		2523	);
		2524
		2525	sub cf::client::send_msg {
		2526	my ($self, $channel, $msg, $color, @extra) = @_;
		2527
		2528	$msg = $self->pl->expand_cfpod ($msg);
		2529
		2530	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2531
		2532	# check predefined channels, for the benefit of C
		2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2534
		2535	if (ref $channel) {
		2536	# send meta info to client, if not yet sent
		2537	unless (exists $self->{channel}{$channel->{id}}) {
		2538	$self->{channel}{$channel->{id}} = $channel;
		2539	$self->ext_msg (channel_info => $channel);
		2540	}
		2541
		2542	$channel = $channel->{id};
		2543	}
		2544
		2545	return unless @extra || length $msg;
		2546
		2547	if ($self->can_msg) {
		2548	# default colour, mask it out
		2549	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2550	if $color & cf::NDI_DEF;
		2551
		2552	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2553	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2554	} else {
		2555	if ($color >= 0) {
		2556	# replace some tags by gcfclient-compatible ones
		2557	for ($msg) {
		2558	1 while
		2559	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2560	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2561	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2562	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2563	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2564	}
		2565
		2566	$color &= cf::NDI_COLOR_MASK;
		2567
		2568	utf8::encode $msg;
		2569
		2570	if (0 && $msg =~ /\[/) {
		2571	# COMMAND/INFO
		2572	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2573	} else {
		2574	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2575	$self->send_packet ("drawinfo $color $msg")
		2576	}
		2577	}
		2578	}
		2579	}
		2580
		2581	=item $client->ext_msg ($type, @msg)
		2582
		2583	Sends an ext event to the client.
		2584
		2585	=cut
		2586
		2587	sub cf::client::ext_msg($$@) {
		2588	my ($self, $type, @msg) = @_;
		2589
		2590	if ($self->extcmd == 2) {
		2591	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2592	} elsif ($self->extcmd == 1) { # TODO: remove
		2593	push @msg, msgtype => "event_$type";
		2594	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2595	}
		2596	}
		2597
		2598	=item $client->ext_reply ($msgid, @msg)
		2599
		2600	Sends an ext reply to the client.
		2601
		2602	=cut
		2603
		2604	sub cf::client::ext_reply($$@) {
		2605	my ($self, $id, @msg) = @_;
		2606
		2607	if ($self->extcmd == 2) {
		2608	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2609	} elsif ($self->extcmd == 1) {
		2610	#TODO: version 1, remove
		2611	unshift @msg, msgtype => "reply", msgid => $id;
		2612	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2613	}
		2614	}
1951		2615
1952	=item $success = $client->query ($flags, "text", \&cb)	2616	=item $success = $client->query ($flags, "text", \&cb)
1953		2617
1954	Queues a query to the client, calling the given callback with	2618	Queues a query to the client, calling the given callback with
1955	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2619	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1956	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2620	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1957		2621
1958	Queries can fail, so check the return code. Or don't, as queries will become	2622	Queries can fail, so check the return code. Or don't, as queries will
1959	reliable at some point in the future.	2623	become reliable at some point in the future.
1960		2624
1961	=cut	2625	=cut
1962		2626
1963	sub cf::client::query {	2627	sub cf::client::query {
1964	my ($self, $flags, $text, $cb) = @_;	2628	my ($self, $flags, $text, $cb) = @_;
…		…
1972	utf8::encode $text;	2636	utf8::encode $text;
1973	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2637	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1974		2638
1975	$self->send_packet ($self->{query_queue}[0][0])	2639	$self->send_packet ($self->{query_queue}[0][0])
1976	if @{ $self->{query_queue} } == 1;	2640	if @{ $self->{query_queue} } == 1;
		2641
		2642	1
1977	}	2643	}
1978		2644
1979	cf::client->attach (	2645	cf::client->attach (
		2646	on_connect => sub {
		2647	my ($ns) = @_;
		2648
		2649	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2650	},
1980	on_reply => sub {	2651	on_reply => sub {
1981	my ($ns, $msg) = @_;	2652	my ($ns, $msg) = @_;
1982		2653
1983	# this weird shuffling is so that direct followup queries	2654	# this weird shuffling is so that direct followup queries
1984	# get handled first	2655	# get handled first
1985	my $queue = delete $ns->{query_queue}	2656	my $queue = delete $ns->{query_queue}
1986	or return; # be conservative, not sure how that can happen, but we saw a crash here	2657	or return; # be conservative, not sure how that can happen, but we saw a crash here
1987		2658
1988	(shift @$queue)->[1]->($msg);	2659	(shift @$queue)->[1]->($msg);
		2660	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1989		2661
1990	push @{ $ns->{query_queue} }, @$queue;	2662	push @{ $ns->{query_queue} }, @$queue;
1991		2663
1992	if (@{ $ns->{query_queue} } == @$queue) {	2664	if (@{ $ns->{query_queue} } == @$queue) {
1993	if (@$queue) {	2665	if (@$queue) {
…		…
1995	} else {	2667	} else {
1996	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2668	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1997	}	2669	}
1998	}	2670	}
1999	},	2671	},
		2672	on_exticmd => sub {
		2673	my ($ns, $buf) = @_;
		2674
		2675	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2676
		2677	if (ref $msg) {
		2678	my ($type, $reply, @payload) =
		2679	"ARRAY" eq ref $msg
		2680	? @$msg
		2681	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2682
		2683	my @reply;
		2684
		2685	if (my $cb = $EXTICMD{$type}) {
		2686	@reply = $cb->($ns, @payload);
		2687	}
		2688
		2689	$ns->ext_reply ($reply, @reply)
		2690	if $reply;
		2691
		2692	} else {
		2693	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2694	}
		2695
		2696	cf::override;
		2697	},
2000	);	2698	);
2001		2699
2002	=item $client->async (\&cb)	2700	=item $client->async (\&cb)
2003		2701
2004	Create a new coroutine, running the specified callback. The coroutine will	2702	Create a new coroutine, running the specified callback. The coroutine will
…		…
2045	our $safe = new Safe "safe";	2743	our $safe = new Safe "safe";
2046	our $safe_hole = new Safe::Hole;	2744	our $safe_hole = new Safe::Hole;
2047		2745
2048	$SIG{FPE} = 'IGNORE';	2746	$SIG{FPE} = 'IGNORE';
2049		2747
2050	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2748	$safe->permit_only (Opcode::opset qw(
		2749	:base_core :base_mem :base_orig :base_math
		2750	grepstart grepwhile mapstart mapwhile
		2751	sort time
		2752	));
2051		2753
2052	# here we export the classes and methods available to script code	2754	# here we export the classes and methods available to script code
2053		2755
2054	=pod	2756	=pod
2055		2757
2056	The following fucntions and emthods are available within a safe environment:	2758	The following functions and methods are available within a safe environment:
2057		2759
2058	cf::object contr pay_amount pay_player map	2760	cf::object
		2761	contr pay_amount pay_player map x y force_find force_add
		2762	insert remove name archname title slaying race decrease_ob_nr
		2763
2059	cf::object::player player	2764	cf::object::player
2060	cf::player peaceful	2765	player
2061	cf::map trigger	2766
		2767	cf::player
		2768	peaceful
		2769
		2770	cf::map
		2771	trigger
2062		2772
2063	=cut	2773	=cut
2064		2774
2065	for (	2775	for (
2066	["cf::object" => qw(contr pay_amount pay_player map)],	2776	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2777	insert remove inv name archname title slaying race
		2778	decrease_ob_nr)],
2067	["cf::object::player" => qw(player)],	2779	["cf::object::player" => qw(player)],
2068	["cf::player" => qw(peaceful)],	2780	["cf::player" => qw(peaceful)],
2069	["cf::map" => qw(trigger)],	2781	["cf::map" => qw(trigger)],
2070	) {	2782	) {
2071	no strict 'refs';	2783	no strict 'refs';
…		…
2142	=back	2854	=back
2143		2855
2144	=cut	2856	=cut
2145		2857
2146	#############################################################################	2858	#############################################################################
		2859	# the server's init and main functions
2147		2860
2148	=head2 EXTENSION DATABASE SUPPORT	2861	sub load_facedata($) {
		2862	my ($path) = @_;
2149		2863
2150	Crossfire maintains a very simple database for extension use. It can	2864	# HACK to clear player env face cache, we need some signal framework
2151	currently store anything that can be serialised using Storable, which	2865	# for this (global event?)
2152	excludes objects.	2866	%ext::player_env::MUSIC_FACE_CACHE = ();
2153		2867
2154	The parameter C<$family> should best start with the name of the extension	2868	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2155	using it, it should be unique.
2156		2869
2157	=over 4	2870	warn "loading facedata from $path\n";
2158		2871
2159	=item $hashref = cf::db_get $family	2872	my $facedata;
		2873	0 < aio_load $path, $facedata
		2874	or die "$path: $!";
2160		2875
2161	Return a hashref for use by the extension C<$family>, which can be	2876	$facedata = Coro::Storable::thaw $facedata;
2162	modified. After modifications, you have to call C<cf::db_dirty> or
2163	C<cf::db_sync>.
2164		2877
2165	=item $value = cf::db_get $family => $key	2878	$facedata->{version} == 2
		2879	or cf::cleanup "$path: version mismatch, cannot proceed.";
2166		2880
2167	Returns a single value from the database	2881	# patch in the exptable
2168		2882	$facedata->{resource}{"res/exp_table"} = {
2169	=item cf::db_put $family => $hashref	2883	type => FT_RSRC,
2170		2884	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2171	Stores the given family hashref into the database. Updates are delayed, if
2172	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2173
2174	=item cf::db_put $family => $key => $value
2175
2176	Stores the given C<$value> in the family hash. Updates are delayed, if you
2177	want the data to be synced to disk immediately, use C<cf::db_sync>.
2178
2179	=item cf::db_dirty
2180
2181	Marks the database as dirty, to be updated at a later time.
2182
2183	=item cf::db_sync
2184
2185	Immediately write the database to disk I<if it is dirty>.
2186
2187	=cut
2188
2189	our $DB;
2190
2191	{
2192	my $path = cf::localdir . "/database.pst";
2193
2194	sub db_load() {
2195	$DB = stat $path ? Storable::retrieve $path : { };
2196	}	2885	};
		2886	cf::cede_to_tick;
2197		2887
2198	my $pid;
2199
2200	sub db_save() {
2201	waitpid $pid, 0 if $pid;
2202	if (0 == ($pid = fork)) {
2203	$DB->{_meta}{version} = 1;
2204	Storable::nstore $DB, "$path~";
2205	rename "$path~", $path;
2206	cf::_exit 0 if defined $pid;
2207	}
2208	}	2888	{
		2889	my $faces = $facedata->{faceinfo};
2209		2890
2210	my $dirty;	2891	while (my ($face, $info) = each %$faces) {
		2892	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2893	cf::face::set_visibility $idx, $info->{visibility};
		2894	cf::face::set_magicmap $idx, $info->{magicmap};
		2895	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2896	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2211		2897
2212	sub db_sync() {	2898	cf::cede_to_tick;
2213	db_save if $dirty;
2214	undef $dirty;
2215	}
2216
2217	my $idle = Event->idle (
2218	reentrant => 0,
2219	min => 10,
2220	max => 20,
2221	repeat => 0,
2222	data => WF_AUTOCANCEL,
2223	cb => \&db_sync,
2224	);
2225
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}
2230
2231	sub db_get($;$) {
2232	@_ >= 2
2233	? $DB->{$_[0]}{$_[1]}
2234	: ($DB->{$_[0]} ||= { })
2235	}
2236
2237	sub db_put($$;$) {
2238	if (@_ >= 3) {
2239	$DB->{$_[0]}{$_[1]} = $_[2];
2240	} else {
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245
2246	cf::global->attach (
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	2899	}
2251	);
2252	}
2253		2900
2254	#############################################################################	2901	while (my ($face, $info) = each %$faces) {
2255	# the server's main()	2902	next unless $info->{smooth};
		2903	my $idx = cf::face::find $face
		2904	or next;
		2905	if (my $smooth = cf::face::find $info->{smooth}) {
		2906	cf::face::set_smooth $idx, $smooth;
		2907	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2908	} else {
		2909	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2910	}
2256		2911
2257	sub cfg_load {	2912	cf::cede_to_tick;
		2913	}
		2914	}
		2915
		2916	{
		2917	my $anims = $facedata->{animinfo};
		2918
		2919	while (my ($anim, $info) = each %$anims) {
		2920	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2921	cf::cede_to_tick;
		2922	}
		2923
		2924	cf::anim::invalidate_all; # d'oh
		2925	}
		2926
		2927	{
		2928	# TODO: for gcfclient pleasure, we should give resources
		2929	# that gcfclient doesn't grok a >10000 face index.
		2930	my $res = $facedata->{resource};
		2931
		2932	my $soundconf = delete $res->{"res/sound.conf"};
		2933
		2934	while (my ($name, $info) = each %$res) {
		2935	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2936	my $data;
		2937
		2938	if ($info->{type} & 1) {
		2939	# prepend meta info
		2940
		2941	my $meta = $enc->encode ({
		2942	name => $name,
		2943	%{ $info->{meta} || {} },
		2944	});
		2945
		2946	$data = pack "(w/a*)*", $meta, $info->{data};
		2947	} else {
		2948	$data = $info->{data};
		2949	}
		2950
		2951	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2952	cf::face::set_type $idx, $info->{type};
		2953
		2954	cf::cede_to_tick;
		2955	}
		2956
		2957	if ($soundconf) {
		2958	$soundconf = $enc->decode (delete $soundconf->{data});
		2959
		2960	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2961	my $sound = $soundconf->{compat}[$_]
		2962	or next;
		2963
		2964	my $face = cf::face::find "sound/$sound->[1]";
		2965	cf::sound::set $sound->[0] => $face;
		2966	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2967	}
		2968
		2969	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2970	my $face = cf::face::find "sound/$v";
		2971	cf::sound::set $k => $face;
		2972	}
		2973	}
		2974	}
		2975
		2976	1
		2977	}
		2978
		2979	register_exticmd fx_want => sub {
		2980	my ($ns, $want) = @_;
		2981
		2982	while (my ($k, $v) = each %$want) {
		2983	$ns->fx_want ($k, $v);
		2984	}
		2985	};
		2986
		2987	sub reload_regions {
		2988	# HACK to clear player env face cache, we need some signal framework
		2989	# for this (global event?)
		2990	%ext::player_env::MUSIC_FACE_CACHE = ();
		2991
		2992	load_resource_file "$MAPDIR/regions"
		2993	or die "unable to load regions file\n";
		2994
		2995	for (cf::region::list) {
		2996	$_->{match} = qr/$_->{match}/
		2997	if exists $_->{match};
		2998	}
		2999	}
		3000
		3001	sub reload_facedata {
		3002	load_facedata "$DATADIR/facedata"
		3003	or die "unable to load facedata\n";
		3004	}
		3005
		3006	sub reload_archetypes {
		3007	load_resource_file "$DATADIR/archetypes"
		3008	or die "unable to load archetypes\n";
		3009	#d# NEED to laod twice to resolve forward references
		3010	# this really needs to be done in an extra post-pass
		3011	# (which needs to be synchronous, so solve it differently)
		3012	load_resource_file "$DATADIR/archetypes"
		3013	or die "unable to load archetypes\n";
		3014	}
		3015
		3016	sub reload_treasures {
		3017	load_resource_file "$DATADIR/treasures"
		3018	or die "unable to load treasurelists\n";
		3019	}
		3020
		3021	sub reload_resources {
		3022	warn "reloading resource files...\n";
		3023
		3024	reload_regions;
		3025	reload_facedata;
		3026	#reload_archetypes;#d#
		3027	reload_archetypes;
		3028	reload_treasures;
		3029
		3030	warn "finished reloading resource files\n";
		3031	}
		3032
		3033	sub init {
		3034	reload_resources;
		3035	}
		3036
		3037	sub reload_config {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3038	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	3039	or return;
2260		3040
2261	local $/;	3041	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	3042	*CFG = YAML::Syck::Load <$fh>;
2263		3043
…		…
2282	(async {	3062	(async {
2283	Event::one_event;	3063	Event::one_event;
2284	})->prio (Coro::PRIO_MAX);	3064	})->prio (Coro::PRIO_MAX);
2285	};	3065	};
2286		3066
2287	cfg_load;	3067	reload_config;
2288	db_load;	3068	db_init;
2289	load_extensions;	3069	load_extensions;
2290		3070
2291	$TICK_WATCHER->start;	3071	$TICK_WATCHER->start;
2292	Event::loop;	3072	Event::loop;
2293	}	3073	}
…		…
2308	},	3088	},
2309	);	3089	);
2310	}	3090	}
2311	}	3091	}
2312		3092
		3093	sub write_runtime {
		3094	my $runtime = "$LOCALDIR/runtime";
		3095
		3096	# first touch the runtime file to show we are still running:
		3097	# the fsync below can take a very very long time.
		3098
		3099	IO::AIO::aio_utime $runtime, undef, undef;
		3100
		3101	my $guard = cf::lock_acquire "write_runtime";
		3102
		3103	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3104	or return;
		3105
		3106	my $value = $cf::RUNTIME + 90 + 10;
		3107	# 10 is the runtime save interval, for a monotonic clock
		3108	# 60 allows for the watchdog to kill the server.
		3109
		3110	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3111	and return;
		3112
		3113	# always fsync - this file is important
		3114	aio_fsync $fh
		3115	and return;
		3116
		3117	# touch it again to show we are up-to-date
		3118	aio_utime $fh, undef, undef;
		3119
		3120	close $fh
		3121	or return;
		3122
		3123	aio_rename "$runtime~", $runtime
		3124	and return;
		3125
		3126	warn "runtime file written.\n";
		3127
		3128	1
		3129	}
		3130
2313	sub emergency_save() {	3131	sub emergency_save() {
2314	my $freeze_guard = cf::freeze_mainloop;	3132	my $freeze_guard = cf::freeze_mainloop;
2315		3133
2316	warn "enter emergency perl save\n";	3134	warn "enter emergency perl save\n";
2317		3135
…		…
2332	my $map = $cf::MAP{$path} or next;	3150	my $map = $cf::MAP{$path} or next;
2333	$map->valid or next;	3151	$map->valid or next;
2334	$map->save;	3152	$map->save;
2335	}	3153	}
2336	warn "end emergency map save\n";	3154	warn "end emergency map save\n";
		3155
		3156	warn "begin emergency database checkpoint\n";
		3157	BDB::db_env_txn_checkpoint $DB_ENV;
		3158	warn "end emergency database checkpoint\n";
2337	};	3159	};
2338		3160
2339	warn "leave emergency perl save\n";	3161	warn "leave emergency perl save\n";
2340	}	3162	}
2341		3163
		3164	sub post_cleanup {
		3165	my ($make_core) = @_;
		3166
		3167	warn Carp::longmess "post_cleanup backtrace"
		3168	if $make_core;
		3169	}
		3170
2342	sub reload() {	3171	sub do_reload_perl() {
2343	# can/must only be called in main	3172	# can/must only be called in main
2344	if ($Coro::current != $Coro::main) {	3173	if ($Coro::current != $Coro::main) {
2345	warn "can only reload from main coroutine";	3174	warn "can only reload from main coroutine";
2346	return;	3175	return;
2347	}	3176	}
2348		3177
2349	warn "reloading...";	3178	warn "reloading...";
2350		3179
2351	warn "cancelling server ticker";	3180	warn "entering sync_job";
2352	$TICK_WATCHER->cancel;
2353		3181
		3182	cf::sync_job {
		3183	cf::write_runtime; # external watchdog should not bark
2354	cf::emergency_save;	3184	cf::emergency_save;
		3185	cf::write_runtime; # external watchdog should not bark
2355		3186
2356	eval {	3187	warn "syncing database to disk";
		3188	BDB::db_env_txn_checkpoint $DB_ENV;
		3189
2357	# if anything goes wrong in here, we should simply crash as we already saved	3190	# if anything goes wrong in here, we should simply crash as we already saved
2358
2359	warn "syncing database to disk";
2360	cf::db_sync;
2361		3191
2362	warn "cancelling all WF_AUTOCANCEL watchers";	3192	warn "cancelling all WF_AUTOCANCEL watchers";
2363	for (Event::all_watchers) {	3193	for (Event::all_watchers) {
2364	$_->cancel if $_->data & WF_AUTOCANCEL;	3194	$_->cancel if $_->data & WF_AUTOCANCEL;
2365	}	3195	}
2366		3196
2367	warn "flushing outstanding aio requests";	3197	warn "flushing outstanding aio requests";
2368	for (;;) {	3198	for (;;) {
		3199	BDB::flush;
2369	IO::AIO::flush;	3200	IO::AIO::flush;
2370	Coro::cede;	3201	Coro::cede;
2371	last unless IO::AIO::nreqs;	3202	last unless IO::AIO::nreqs || BDB::nreqs;
2372	warn "iterate...";	3203	warn "iterate...";
2373	}	3204	}
		3205
		3206	++$RELOAD;
2374		3207
2375	warn "cancelling all extension coros";	3208	warn "cancelling all extension coros";
2376	$_->cancel for values %EXT_CORO;	3209	$_->cancel for values %EXT_CORO;
2377	%EXT_CORO = ();	3210	%EXT_CORO = ();
2378		3211
2379	warn "removing commands";	3212	warn "removing commands";
2380	%COMMAND = ();	3213	%COMMAND = ();
2381		3214
2382	warn "removing ext commands";	3215	warn "removing ext/exti commands";
2383	%EXTCMD = ();	3216	%EXTCMD = ();
		3217	%EXTICMD = ();
2384		3218
2385	warn "unloading/nuking all extensions";	3219	warn "unloading/nuking all extensions";
2386	for my $pkg (@EXTS) {	3220	for my $pkg (@EXTS) {
2387	warn "... unloading $pkg";	3221	warn "... unloading $pkg";
2388		3222
…		…
2418	Symbol::delete_package "safe::$_"	3252	Symbol::delete_package "safe::$_"
2419	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3253	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2420		3254
2421	warn "unloading cf.pm \"a bit\"";	3255	warn "unloading cf.pm \"a bit\"";
2422	delete $INC{"cf.pm"};	3256	delete $INC{"cf.pm"};
		3257	delete $INC{"cf/pod.pm"};
2423		3258
2424	# don't, removes xs symbols, too,	3259	# don't, removes xs symbols, too,
2425	# and global variables created in xs	3260	# and global variables created in xs
2426	#Symbol::delete_package __PACKAGE__;	3261	#Symbol::delete_package __PACKAGE__;
2427		3262
…		…
2430	warn "reloading cf.pm";	3265	warn "reloading cf.pm";
2431	require cf;	3266	require cf;
2432	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3267	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2433		3268
2434	warn "loading config and database again";	3269	warn "loading config and database again";
2435	cf::cfg_load;	3270	cf::reload_config;
2436	cf::db_load;
2437		3271
2438	warn "loading extensions";	3272	warn "loading extensions";
2439	cf::load_extensions;	3273	cf::load_extensions;
2440		3274
2441	warn "reattaching attachments to objects/players";	3275	warn "reattaching attachments to objects/players";
2442	_global_reattach;	3276	_global_reattach; # objects, sockets
2443	warn "reattaching attachments to maps";	3277	warn "reattaching attachments to maps";
2444	reattach $_ for values %MAP;	3278	reattach $_ for values %MAP;
		3279	warn "reattaching attachments to players";
		3280	reattach $_ for values %PLAYER;
2445		3281
2446	warn "restarting server ticker";	3282	warn "leaving sync_job";
2447		3283
2448	$TICK_WATCHER->start;	3284	1
2449	};	3285	} or do {
2450
2451	if ($@) {
2452	warn $@;	3286	warn $@;
2453	warn "error while reloading, exiting.";	3287	warn "error while reloading, exiting.";
2454	exit 1;	3288	exit 1;
2455	}	3289	};
2456		3290
2457	warn "reloaded";	3291	warn "reloaded";
2458	};	3292	};
2459		3293
2460	our $RELOAD_WATCHER; # used only during reload	3294	our $RELOAD_WATCHER; # used only during reload
2461		3295
		3296	sub reload_perl() {
		3297	# doing reload synchronously and two reloads happen back-to-back,
		3298	# coro crashes during coro_state_free->destroy here.
		3299
		3300	$RELOAD_WATCHER ||= Event->timer (
		3301	reentrant => 0,
		3302	after => 0,
		3303	data => WF_AUTOCANCEL,
		3304	cb => sub {
		3305	do_reload_perl;
		3306	undef $RELOAD_WATCHER;
		3307	},
		3308	);
		3309	}
		3310
2462	register_command "reload" => sub {	3311	register_command "reload" => sub {
2463	my ($who, $arg) = @_;	3312	my ($who, $arg) = @_;
2464		3313
2465	if ($who->flag (FLAG_WIZ)) {	3314	if ($who->flag (FLAG_WIZ)) {
2466	$who->message ("reloading server.");	3315	$who->message ("reloading server.");
2467		3316	async { reload_perl };
2468	# doing reload synchronously and two reloads happen back-to-back,
2469	# coro crashes during coro_state_free->destroy here.
2470
2471	$RELOAD_WATCHER ||= Event->timer (
2472	reentrant => 0,
2473	after => 0,
2474	data => WF_AUTOCANCEL,
2475	cb => sub {
2476	reload;
2477	undef $RELOAD_WATCHER;
2478	},
2479	);
2480	}	3317	}
2481	};	3318	};
2482		3319
2483	unshift @INC, $LIBDIR;	3320	unshift @INC, $LIBDIR;
2484		3321
2485	my $bug_warning = 0;	3322	my $bug_warning = 0;
2486		3323
		3324	our @WAIT_FOR_TICK;
		3325	our @WAIT_FOR_TICK_BEGIN;
		3326
		3327	sub wait_for_tick {
		3328	return unless $TICK_WATCHER->is_active;
		3329	return if $Coro::current == $Coro::main;
		3330
		3331	my $signal = new Coro::Signal;
		3332	push @WAIT_FOR_TICK, $signal;
		3333	$signal->wait;
		3334	}
		3335
		3336	sub wait_for_tick_begin {
		3337	return unless $TICK_WATCHER->is_active;
		3338	return if $Coro::current == $Coro::main;
		3339
		3340	my $signal = new Coro::Signal;
		3341	push @WAIT_FOR_TICK_BEGIN, $signal;
		3342	$signal->wait;
		3343	}
		3344
		3345	my $min = 1e6;#d#
		3346	my $avg = 10;
2487	$TICK_WATCHER = Event->timer (	3347	$TICK_WATCHER = Event->timer (
2488	reentrant => 0,	3348	reentrant => 0,
2489	parked => 1,	3349	parked => 1,
2490	prio => 0,	3350	prio => 0,
2491	at => $NEXT_TICK || $TICK,	3351	at => $NEXT_TICK || $TICK,
…		…
2495	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3355	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2496	unless ++$bug_warning > 10;	3356	unless ++$bug_warning > 10;
2497	return;	3357	return;
2498	}	3358	}
2499		3359
2500	$NOW = Event::time;	3360	$NOW = $tick_start = Event::time;
2501		3361
2502	cf::server_tick; # one server iteration	3362	cf::server_tick; # one server iteration
		3363
		3364	0 && sync_job {#d#
		3365	for(1..10) {
		3366	my $t = Event::time;
		3367	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3368	or die;
		3369
		3370	$map->width (50);
		3371	$map->height (50);
		3372	$map->alloc;
		3373	$map->_load_objects ("/tmp/x.map", 1);
		3374	my $t = Event::time - $t;
		3375
		3376	#next unless $t < 0.0013;#d#
		3377	if ($t < $min) {
		3378	$min = $t;
		3379	}
		3380	$avg = $avg * 0.99 + $t * 0.01;
		3381	}
		3382	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3383	exit 0;
		3384	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3385	};
		3386
2503	$RUNTIME += $TICK;	3387	$RUNTIME += $TICK;
2504	$NEXT_TICK += $TICK;	3388	$NEXT_TICK += $TICK;
2505		3389
2506	$WAIT_FOR_TICK->broadcast;	3390	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2507	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3391	$NEXT_RUNTIME_WRITE = $NOW + 10;
2508		3392	Coro::async_pool {
2509	Event::sweep;	3393	write_runtime
2510	Coro::cede_notself;	3394	or warn "ERROR: unable to write runtime file: $!";
		3395	};
2511		3396	}
		3397
2512	# my $AFTER = Event::time;	3398	# my $AFTER = Event::time;
2513	# warn $AFTER - $NOW;#d#	3399	# warn $AFTER - $NOW;#d#
2514		3400
		3401	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3402	$sig->send;
		3403	}
		3404	while (my $sig = shift @WAIT_FOR_TICK) {
		3405	$sig->send;
		3406	}
		3407
		3408	$NOW = Event::time;
		3409
2515	# if we are delayed by four ticks or more, skip them all	3410	# if we are delayed by four ticks or more, skip them all
2516	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3411	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2517		3412
2518	$TICK_WATCHER->at ($NEXT_TICK);	3413	$TICK_WATCHER->at ($NEXT_TICK);
2519	$TICK_WATCHER->start;	3414	$TICK_WATCHER->start;
		3415
		3416	$LOAD = ($NOW - $tick_start) / $TICK;
		3417	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3418
		3419	_post_tick;
		3420
		3421
2520	},	3422	},
2521	);	3423	);
2522		3424
		3425	{
		3426	BDB::max_poll_time $TICK * 0.1;
		3427	$BDB_POLL_WATCHER = Event->io (
		3428	reentrant => 0,
		3429	fd => BDB::poll_fileno,
		3430	poll => 'r',
		3431	prio => 0,
		3432	data => WF_AUTOCANCEL,
		3433	cb => \&BDB::poll_cb,
		3434	);
		3435	BDB::min_parallel 8;
		3436
		3437	BDB::set_sync_prepare {
		3438	my $status;
		3439	my $current = $Coro::current;
		3440	(
		3441	sub {
		3442	$status = $!;
		3443	$current->ready; undef $current;
		3444	},
		3445	sub {
		3446	Coro::schedule while defined $current;
		3447	$! = $status;
		3448	},
		3449	)
		3450	};
		3451
		3452	unless ($DB_ENV) {
		3453	$DB_ENV = BDB::db_env_create;
		3454
		3455	cf::sync_job {
		3456	eval {
		3457	BDB::db_env_open
		3458	$DB_ENV,
		3459	$BDBDIR,
		3460	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3461	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3462	0666;
		3463
		3464	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3465
		3466	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3467	$DB_ENV->set_lk_detect;
		3468	};
		3469
		3470	cf::cleanup "db_env_open(db): $@" if $@;
		3471	};
		3472	}
		3473	}
		3474
		3475	{
		3476	IO::AIO::min_parallel 8;
		3477
		3478	undef $Coro::AIO::WATCHER;
2523	IO::AIO::max_poll_time $TICK * 0.1;	3479	IO::AIO::max_poll_time $TICK * 0.1;
2524
2525	undef $Coro::AIO::WATCHER;
2526	$AIO_POLL_WATCHER = Event->io (	3480	$AIO_POLL_WATCHER = Event->io (
2527	reentrant => 0,	3481	reentrant => 0,
		3482	data => WF_AUTOCANCEL,
2528	fd => IO::AIO::poll_fileno,	3483	fd => IO::AIO::poll_fileno,
2529	poll => 'r',	3484	poll => 'r',
2530	prio => 6,	3485	prio => 6,
2531	data => WF_AUTOCANCEL,
2532	cb => \&IO::AIO::poll_cb,	3486	cb => \&IO::AIO::poll_cb,
2533	);	3487	);
		3488	}
2534		3489
2535	$WRITE_RUNTIME_WATCHER = Event->timer (	3490	my $_log_backtrace;
2536	reentrant => 0,	3491
2537	data => WF_AUTOCANCEL,	3492	sub _log_backtrace {
2538	after => 1,	3493	my ($msg, @addr) = @_;
2539	interval => 10,	3494
2540	prio => 6, # keep it lowest so it acts like a watchdog	3495	$msg =~ s/\n//;
2541	cb => Coro::unblock_sub {	3496
2542	write_runtime	3497	# limit the # of concurrent backtraces
2543	or warn "ERROR: unable to write runtime file: $!";	3498	if ($_log_backtrace < 2) {
		3499	++$_log_backtrace;
		3500	async {
		3501	my @bt = fork_call {
		3502	@addr = map { sprintf "%x", $_ } @addr;
		3503	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3504	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3505	or die "addr2line: $!";
		3506
		3507	my @funcs;
		3508	my @res = <$fh>;
		3509	chomp for @res;
		3510	while (@res) {
		3511	my ($func, $line) = splice @res, 0, 2, ();
		3512	push @funcs, "[$func] $line";
		3513	}
		3514
		3515	@funcs
		3516	};
		3517
		3518	LOG llevInfo, "[ABT] $msg\n";
		3519	LOG llevInfo, "[ABT] $_\n" for @bt;
		3520	--$_log_backtrace;
		3521	};
		3522	} else {
		3523	LOG llevInfo, "[ABT] $msg\n";
		3524	LOG llevInfo, "[ABT] [suppressed]\n";
2544	},	3525	}
2545	);	3526	}
		3527
		3528	# load additional modules
		3529	use cf::pod;
2546		3530
2547	END { cf::emergency_save }	3531	END { cf::emergency_save }
2548		3532
2549	1	3533	1
2550		3534

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