ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.398 by root, Wed Dec 5 11:08:34 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 Storable;	8	use Socket;
		9	use EV;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.3 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::EV;
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 2.01 ();
		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;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	37	# configure various modules to our taste
28		38	#
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	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
30		42
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
33		45
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
36	our %COMMAND = ();	50	our %COMMAND = ();
37	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
38		52
39	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
43		58
		59	our $RELOAD; # number of reloads so far
44	our @EVENT;	60	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		61
47	our $TICK = MAX_TIME * 1e-6;	62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
		73
		74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	75	our $TICK_WATCHER;
		76	our $AIO_POLL_WATCHER;
		77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	78	our $NEXT_TICK;
50	our $NOW;	79	our $NOW;
		80	our $USE_FSYNC = 1; # use fsync to write maps - default off
		81
		82	our $BDB_POLL_WATCHER;
		83	our $BDB_DEADLOCK_WATCHER;
		84	our $BDB_CHECKPOINT_WATCHER;
		85	our $BDB_TRICKLE_WATCHER;
		86	our $DB_ENV;
51		87
52	our %CFG;	88	our %CFG;
53		89
54	our $UPTIME; $UPTIME ||= time;	90	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	91	our $RUNTIME;
56		92
57	our %PLAYER; # all users	93	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	94	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	95	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		96
65	# used to convert map paths into valid unix filenames by replacing / by ∕	97	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	98	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		99
		100	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		101	our $LOADAVG; # same thing, but with alpha-smoothing
		102	our $tick_start; # for load detecting purposes
		103
68	binmode STDOUT;	104	binmode STDOUT;
69	binmode STDERR;	105	binmode STDERR;
70		106
71	# read virtual server time, if available	107	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	108	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	109	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	110	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	111	$RUNTIME = <$fh> + 0.;
76	}	112	}
77		113
78	mkdir cf::localdir;	114	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	115	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		116
84	our $EMERGENCY_POSITION;	117	our $EMERGENCY_POSITION;
		118
		119	sub cf::map::normalise;
85		120
86	#############################################################################	121	#############################################################################
87		122
88	=head2 GLOBAL VARIABLES	123	=head2 GLOBAL VARIABLES
89		124
…		…
96	=item $cf::RUNTIME	131	=item $cf::RUNTIME
97		132
98	The time this server has run, starts at 0 and is increased by $cf::TICK on	133	The time this server has run, starts at 0 and is increased by $cf::TICK on
99	every server tick.	134	every server tick.
100		135
101	=item $cf::LIBDIR	136	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		137	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		138	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102		139
103	The perl library directory, where extensions and cf-specific modules can	140	Various directories - "/etc", read-only install directory, perl-library
104	be found. It will be added to C<@INC> automatically.	141	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		142	unique-items directory, player file directory, random maps directory and
		143	database environment.
105		144
106	=item $cf::NOW	145	=item $cf::NOW
107		146
108	The time of the last (current) server tick.	147	The time of the last (current) server tick.
109		148
110	=item $cf::TICK	149	=item $cf::TICK
111		150
112	The interval between server ticks, in seconds.	151	The interval between server ticks, in seconds.
113		152
		153	=item $cf::LOADAVG
		154
		155	The current CPU load on the server (alpha-smoothed), as a value between 0
		156	(none) and 1 (overloaded), indicating how much time is spent on processing
		157	objects per tick. Healthy values are < 0.5.
		158
		159	=item $cf::LOAD
		160
		161	The raw value load value from the last tick.
		162
114	=item %cf::CFG	163	=item %cf::CFG
115		164
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	165	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
117	from wherever your confdir points to.	166	from wherever your confdir points to.
118		167
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	168	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		169
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	170	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	171	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	172	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.	173
		174	=item @cf::INVOKE_RESULTS
		175
		176	This array contains the results of the last C<invoke ()> call. When
		177	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		178	that call.
125		179
126	=back	180	=back
127		181
128	=cut	182	=cut
129		183
130	BEGIN {	184	BEGIN {
131	*CORE::GLOBAL::warn = sub {	185	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	186	my $msg = join "", @_;
133	utf8::encode $msg;
134		187
135	$msg .= "\n"	188	$msg .= "\n"
136	unless $msg =~ /\n$/;	189	unless $msg =~ /\n$/;
		190
		191	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
137		192
138	LOG llevError, $msg;	193	LOG llevError, $msg;
139	};	194	};
140	}	195	}
141		196
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@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';
147	@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)
148		204
149	# 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
150	# within the Safe compartment.	206	# within the Safe compartment.
151	for my $pkg (qw(	207	for my $pkg (qw(
152	cf::global cf::attachable	208	cf::global cf::attachable
…		…
157	)) {	213	)) {
158	no strict 'refs';	214	no strict 'refs';
159	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
160	}	216	}
161		217
162	$Event::DIED = sub {	218	$EV::DIED = sub {
163	warn "error in event callback: @_";	219	warn "error in event callback: @_";
164	};	220	};
		221
		222	#############################################################################
165		223
166	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
167		225
168	=over 4	226	=over 4
169		227
…		…
188	$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;
189	$d	247	$d
190	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
191	}	249	}
192		250
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	251	=item $ref = cf::decode_json $json
196		252
197	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
198		254
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	255	=item $json = cf::encode_json $ref
207		256
208	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
209		258
210	=cut	259	=cut
211		260
212	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
214	JSON::Syck::Dump $_[0]	263	sub encode_json($) { $json_coder->encode ($_[0]) }
215	}	264	sub decode_json($) { $json_coder->decode ($_[0]) }
216		265
217	=item cf::lock_wait $string	266	=item cf::lock_wait $string
218		267
219	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
220		269
…		…
223	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
224	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,
225	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
226	returned.	275	returned.
227		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
228	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
229	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
230		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
231	=cut	287	=cut
232		288
233	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
234		291
235	sub lock_wait($) {	292	sub lock_wait($) {
236	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
237		299
238	# wait for lock, if any	300	# wait for lock, if any
239	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	303	Coro::schedule;
…		…
247		309
248	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
249	lock_wait $key;	311	lock_wait $key;
250		312
251	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
252		315
253	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
256	}	320	}
257	}	321	}
258		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
259	sub freeze_mainloop {	329	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
261		331
262	my $guard = Coro::guard { $TICK_WATCHER->start };	332	my $guard = Coro::guard {
		333	$TICK_WATCHER->start;
		334	};
263	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
264	$guard	336	$guard
		337	}
		338
		339	=item cf::periodic $interval, $cb
		340
		341	Like EV::periodic, but randomly selects a starting point so that the actions
		342	get spread over timer.
		343
		344	=cut
		345
		346	sub periodic($$) {
		347	my ($interval, $cb) = @_;
		348
		349	my $start = rand List::Util::min 180, $interval;
		350
		351	EV::periodic $start, $interval, 0, $cb
		352	}
		353
		354	=item cf::get_slot $time[, $priority[, $name]]
		355
		356	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		357	This call blocks and returns only when you have at least C<$time> seconds
		358	of cpu time till the next tick. The slot is only valid till the next cede.
		359
		360	The optional C<$name> can be used to identify the job to run. It might be
		361	used for statistical purposes and should identify the same time-class.
		362
		363	Useful for short background jobs.
		364
		365	=cut
		366
		367	our @SLOT_QUEUE;
		368	our $SLOT_QUEUE;
		369
		370	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		371	$SLOT_QUEUE = Coro::async {
		372	$Coro::current->desc ("timeslot manager");
		373
		374	my $signal = new Coro::Signal;
		375
		376	while () {
		377	next_job:
		378	my $avail = cf::till_tick;
		379	if ($avail > 0.01) {
		380	for (0 .. $#SLOT_QUEUE) {
		381	if ($SLOT_QUEUE[$_][0] < $avail) {
		382	my $job = splice @SLOT_QUEUE, $_, 1, ();
		383	$job->[2]->send;
		384	Coro::cede;
		385	goto next_job;
		386	}
		387	}
		388	}
		389
		390	if (@SLOT_QUEUE) {
		391	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		392	push @cf::WAIT_FOR_TICK, $signal;
		393	$signal->wait;
		394	} else {
		395	Coro::schedule;
		396	}
		397	}
		398	};
		399
		400	sub get_slot($;$$) {
		401	my ($time, $pri, $name) = @_;
		402
		403	$time = $TICK * .6 if $time > $TICK * .6;
		404	my $sig = new Coro::Signal;
		405
		406	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		407	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		408	$SLOT_QUEUE->ready;
		409	$sig->wait;
265	}	410	}
266		411
267	=item cf::async { BLOCK }	412	=item cf::async { BLOCK }
268		413
269	Currently the same as Coro::async_pool, meaning you cannot use	414	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		419
275	BEGIN { *async = \&Coro::async_pool }	420	BEGIN { *async = \&Coro::async_pool }
276		421
277	=item cf::sync_job { BLOCK }	422	=item cf::sync_job { BLOCK }
278		423
279	The design of crossfire+ requires that the main coro ($Coro::main) is	424	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	425	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	426	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		427	acceptable.
282		428
283	If it must be done, put the blocking parts into C<sync_job>. This will run	429	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	430	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	431	server will be frozen during this time, so the block should either finish
286	fast or be very important.	432	fast or be very important.
…		…
289		435
290	sub sync_job(&) {	436	sub sync_job(&) {
291	my ($job) = @_;	437	my ($job) = @_;
292		438
293	if ($Coro::current == $Coro::main) {	439	if ($Coro::current == $Coro::main) {
		440	my $time = EV::time;
		441
294	# this is the main coro, too bad, we have to block	442	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	443	# till the operation succeeds, freezing the server :/
296		444
		445	LOG llevError, Carp::longmess "sync job";#d#
		446
297	# TODO: use suspend/resume instead	447	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	448	# (but this is cancel-safe)
299	my $freeze_guard = freeze_mainloop;	449	my $freeze_guard = freeze_mainloop;
300		450
301	my $busy = 1;	451	my $busy = 1;
302	my @res;	452	my @res;
303		453
304	(async {	454	(async {
		455	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	456	@res = eval { $job->() };
306	warn $@ if $@;	457	warn $@ if $@;
307	undef $busy;	458	undef $busy;
308	})->prio (Coro::PRIO_MAX);	459	})->prio (Coro::PRIO_MAX);
309		460
310	while ($busy) {	461	while ($busy) {
311	Coro::cede or Event::one_event;	462	if (Coro::nready) {
		463	Coro::cede_notself;
		464	} else {
		465	EV::loop EV::LOOP_ONESHOT;
312	}	466	}
		467	}
		468
		469	$time = EV::time - $time;
		470
		471	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		472	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		473
		474	$tick_start += $time; # do not account sync jobs to server load
313		475
314	wantarray ? @res : $res[0]	476	wantarray ? @res : $res[0]
315	} else {	477	} else {
316	# we are in another coroutine, how wonderful, everything just works	478	# we are in another coroutine, how wonderful, everything just works
317		479
…		…
337	$EXT_CORO{$coro+0} = $coro;	499	$EXT_CORO{$coro+0} = $coro;
338		500
339	$coro	501	$coro
340	}	502	}
341		503
342	sub write_runtime {	504	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		505
345	my $runtime = cf::localdir . "/runtime";	506	Executes the given code block with the given arguments in a seperate
		507	process, returning the results. Everything must be serialisable with
		508	Coro::Storable. May, of course, block. Note that the executed sub may
		509	never block itself or use any form of event handling.
346		510
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	511	=cut
348	or return;
349		512
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	513	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	514	my ($cb, @args) = @_;
352	and return;
353		515
354	aio_fsync $fh	516	# we seemingly have to make a local copy of the whole thing,
355	and return;	517	# otherwise perl prematurely frees the stuff :/
		518	# TODO: investigate and fix (likely this will be rather laborious)
356		519
357	close $fh	520	my @res = Coro::Util::fork_eval {
358	or return;	521	reset_signals;
		522	&$cb
		523	}, @args;
359		524
360	aio_rename "$runtime~", $runtime	525	wantarray ? @res : $res[-1]
361	and return;	526	}
362		527
		528	=item $value = cf::db_get $family => $key
		529
		530	Returns a single value from the environment database.
		531
		532	=item cf::db_put $family => $key => $value
		533
		534	Stores the given C<$value> in the family. It can currently store binary
		535	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		536
		537	=item $db = cf::db_table "name"
		538
		539	Create and/or open a new database table. The string must not be "db" and must be unique
		540	within each server.
		541
		542	=cut
		543
		544	sub db_table($) {
		545	my ($name) = @_;
		546	my $db = BDB::db_create $DB_ENV;
		547
		548	eval {
		549	$db->set_flags (BDB::CHKSUM);
		550
		551	utf8::encode $name;
		552	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		553	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		554	cf::cleanup "db_open(db): $!" if $!;
		555	};
		556	cf::cleanup "db_open(db): $@" if $@;
		557
		558	$db
		559	}
		560
		561	our $DB;
		562
		563	sub db_init {
		564	cf::sync_job {
		565	$DB ||= db_table "db";
		566	};
		567	}
		568
		569	sub db_get($$) {
		570	my $key = "$_[0]/$_[1]";
		571
		572	cf::sync_job {
		573	BDB::db_get $DB, undef, $key, my $data;
		574
		575	$! ? ()
		576	: $data
363	1	577	}
		578	}
		579
		580	sub db_put($$$) {
		581	BDB::dbreq_pri 4;
		582	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		583	}
		584
		585	=item cf::cache $id => [$paths...], $processversion => $process
		586
		587	Generic caching function that returns the value of the resource $id,
		588	caching and regenerating as required.
		589
		590	This function can block.
		591
		592	=cut
		593
		594	sub cache {
		595	my ($id, $src, $processversion, $process) = @_;
		596
		597	my $meta =
		598	join "\x00",
		599	$processversion,
		600	map {
		601	aio_stat $_
		602	and Carp::croak "$_: $!";
		603
		604	($_, (stat _)[7,9])
		605	} @$src;
		606
		607	my $dbmeta = db_get cache => "$id/meta";
		608	if ($dbmeta ne $meta) {
		609	# changed, we may need to process
		610
		611	my @data;
		612	my $md5;
		613
		614	for (0 .. $#$src) {
		615	0 <= aio_load $src->[$_], $data[$_]
		616	or Carp::croak "$src->[$_]: $!";
		617	}
		618
		619	# if processing is expensive, check
		620	# checksum first
		621	if (1) {
		622	$md5 =
		623	join "\x00",
		624	$processversion,
		625	map {
		626	cf::cede_to_tick;
		627	($src->[$_], Digest::MD5::md5_hex $data[$_])
		628	} 0.. $#$src;
		629
		630
		631	my $dbmd5 = db_get cache => "$id/md5";
		632	if ($dbmd5 eq $md5) {
		633	db_put cache => "$id/meta", $meta;
		634
		635	return db_get cache => "$id/data";
		636	}
		637	}
		638
		639	my $t1 = Time::HiRes::time;
		640	my $data = $process->(\@data);
		641	my $t2 = Time::HiRes::time;
		642
		643	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		644
		645	db_put cache => "$id/data", $data;
		646	db_put cache => "$id/md5" , $md5;
		647	db_put cache => "$id/meta", $meta;
		648
		649	return $data;
		650	}
		651
		652	db_get cache => "$id/data"
		653	}
		654
		655	=item cf::datalog type => key => value, ...
		656
		657	Log a datalog packet of the given type with the given key-value pairs.
		658
		659	=cut
		660
		661	sub datalog($@) {
		662	my ($type, %kv) = @_;
		663	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	664	}
365		665
366	=back	666	=back
367		667
368	=cut	668	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	675	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	676	to it. All such attachable objects support the following methods.
377		677
378	In the following description, CLASS can be any of C<global>, C<object>	678	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	679	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	680	Deliantra).
381		681
382	=over 4	682	=over 4
383		683
384	=item $attachable->attach ($attachment, key => $value...)	684	=item $attachable->attach ($attachment, key => $value...)
385		685
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	799	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	800	our @CB_MAP = ();
501		801
502	my %attachment;	802	my %attachment;
503		803
		804	sub cf::attachable::thawer_merge {
		805	# simply override everything except _meta
		806	local $_[0]{_meta};
		807	%{$_[0]} = %{$_[1]};
		808	}
		809
504	sub _attach_cb($$$$) {	810	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	811	my ($registry, $event, $prio, $cb) = @_;
506		812
507	use sort 'stable';	813	use sort 'stable';
508		814
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	848	$registry = $CB_TYPE[$object_type] ||= [];
543		849
544	} elsif ($type eq "subtype") {	850	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	851	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	852	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	853	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		854
549	} elsif ($type eq "package") {	855	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	856	my $pkg = shift @arg;
551		857
552	while (my ($name, $id) = each %cb_id) {	858	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	887	_attach $registry, $klass, @attach;
582	}	888	}
583		889
584	$obj->{$name} = \%arg;	890	$obj->{$name} = \%arg;
585	} else {	891	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	892	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	893	}
588		894
589	$obj->{_attachment}{$name} = undef;	895	$obj->{_attachment}{$name} = undef;
590	}	896	}
591		897
…		…
593	if (ref $_[0]) {	899	if (ref $_[0]) {
594	_object_attach @_;	900	_object_attach @_;
595	} else {	901	} else {
596	_attach shift->_attach_registry, @_;	902	_attach shift->_attach_registry, @_;
597	}	903	}
		904	_recalc_want;
598	};	905	};
599		906
600	# all those should be optimised	907	# all those should be optimised
601	sub cf::attachable::detach {	908	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	909	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	912	delete $obj->{_attachment}{$name};
606	reattach ($obj);	913	reattach ($obj);
607	} else {	914	} else {
608	Carp::croak "cannot, currently, detach class attachments";	915	Carp::croak "cannot, currently, detach class attachments";
609	}	916	}
		917	_recalc_want;
610	};	918	};
611		919
612	sub cf::attachable::attached {	920	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	921	my ($obj, $name) = @_;
614		922
…		…
629	";	937	";
630	die if $@;	938	die if $@;
631	}	939	}
632		940
633	our $override;	941	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	942	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		943
636	sub override {	944	sub override {
637	$override = 1;	945	$override = 1;
638	@invoke_results = ();	946	@INVOKE_RESULTS = (@_);
639	}	947	}
640		948
641	sub do_invoke {	949	sub do_invoke {
642	my $event = shift;	950	my $event = shift;
643	my $callbacks = shift;	951	my $callbacks = shift;
644		952
645	@invoke_results = ();	953	@INVOKE_RESULTS = ();
646		954
647	local $override;	955	local $override;
648		956
649	for (@$callbacks) {	957	for (@$callbacks) {
650	eval { &{$_->[1]} };	958	eval { &{$_->[1]} };
…		…
667		975
668	Generate an object-specific event with the given arguments.	976	Generate an object-specific event with the given arguments.
669		977
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	978	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	979	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	980	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		981
674	=back	982	=back
675		983
676	=cut	984	=cut
677		985
678	#############################################################################	986	#############################################################################
679	# object support	987	# object support
		988
		989	sub _object_equal($$);
		990	sub _object_equal($$) {
		991	my ($a, $b) = @_;
		992
		993	return 0 unless (ref $a) eq (ref $b);
		994
		995	if ("HASH" eq ref $a) {
		996	my @ka = keys %$a;
		997	my @kb = keys %$b;
		998
		999	return 0 if @ka != @kb;
		1000
		1001	for (0 .. $#ka) {
		1002	return 0 unless $ka[$_] eq $kb[$_];
		1003	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1004	}
		1005
		1006	} elsif ("ARRAY" eq ref $a) {
		1007
		1008	return 0 if @$a != @$b;
		1009
		1010	for (0 .. $#$a) {
		1011	return 0 unless _object_equal $a->[$_], $b->[$_];
		1012	}
		1013
		1014	} elsif ($a ne $b) {
		1015	return 0;
		1016	}
		1017
		1018	1
		1019	}
		1020
		1021	our $SLOW_MERGES;#d#
		1022	sub _can_merge {
		1023	my ($ob1, $ob2) = @_;
		1024
		1025	++$SLOW_MERGES;#d#
		1026
		1027	# we do the slow way here
		1028	return _object_equal $ob1, $ob2
		1029	}
680		1030
681	sub reattach {	1031	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1032	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1033	my ($obj) = @_;
		1034
		1035	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1036
685	my $registry = $obj->registry;	1037	my $registry = $obj->registry;
686		1038
687	@$registry = ();	1039	@$registry = ();
688		1040
…		…
703	cf::attachable->attach (	1055	cf::attachable->attach (
704	prio => -1000000,	1056	prio => -1000000,
705	on_instantiate => sub {	1057	on_instantiate => sub {
706	my ($obj, $data) = @_;	1058	my ($obj, $data) = @_;
707		1059
708	$data = from_json $data;	1060	$data = decode_json $data;
709		1061
710	for (@$data) {	1062	for (@$data) {
711	my ($name, $args) = @$_;	1063	my ($name, $args) = @$_;
712		1064
713	$obj->attach ($name, %{$args || {} });	1065	$obj->attach ($name, %{$args || {} });
…		…
729	sub object_freezer_save {	1081	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1082	my ($filename, $rdata, $objs) = @_;
731		1083
732	sync_job {	1084	sync_job {
733	if (length $$rdata) {	1085	if (length $$rdata) {
		1086	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1087	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1088	$decname, length $$rdata, scalar @$objs;
736		1089
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1091	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1093	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1094	close $fh;
742		1095
743	if (@$objs) {	1096	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1100	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1101	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1102	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1103	aio_rename "$filename.pst~", "$filename.pst";
751	}	1104	}
752	} else {	1105	} else {
753	aio_unlink "$filename.pst";	1106	aio_unlink "$filename.pst";
…		…
759	}	1112	}
760	} else {	1113	} else {
761	aio_unlink $filename;	1114	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1115	aio_unlink "$filename.pst";
763	}	1116	}
764	}	1117	};
765	}	1118	}
766		1119
767	sub object_freezer_as_string {	1120	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1121	my ($rdata, $objs) = @_;
769		1122
…		…
781	or return;	1134	or return;
782		1135
783	unless (aio_stat "$filename.pst") {	1136	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1137	(aio_load "$filename.pst", $av) >= 0
785	or return;	1138	or return;
		1139
786	$av = eval { (Storable::thaw $av)->{objs} };	1140	my $st = eval { Coro::Storable::thaw $av };
		1141	$av = $st->{objs};
787	}	1142	}
788		1143
		1144	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1145	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1146	$decname, length $data, scalar @{$av || []};
		1147
791	return ($data, $av);	1148	($data, $av)
792	}	1149	}
		1150
		1151	=head2 COMMAND CALLBACKS
		1152
		1153	=over 4
		1154
		1155	=cut
793		1156
794	#############################################################################	1157	#############################################################################
795	# command handling &c	1158	# command handling &c
796		1159
797	=item cf::register_command $name => \&callback($ob,$args);	1160	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1173	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1174	}
812		1175
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1176	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1177
815	Register a callbackf ro execution when the client sends an extcmd packet.	1178	Register a callback for execution when the client sends an (synchronous)
		1179	extcmd packet. Ext commands will be processed in the order they are
		1180	received by the server, like other user commands. The first argument is
		1181	the logged-in player. Ext commands can only be processed after a player
		1182	has logged in successfully.
816		1183
817	If the callback returns something, it is sent back as if reply was being	1184	If the callback returns something, it is sent back as if reply was being
818	called.	1185	called.
819		1186
		1187	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1188
		1189	Register a callback for execution when the client sends an (asynchronous)
		1190	exticmd packet. Exti commands are processed by the server as soon as they
		1191	are received, i.e. out of order w.r.t. other commands. The first argument
		1192	is a client socket. Exti commands can be received anytime, even before
		1193	log-in.
		1194
		1195	If the callback returns something, it is sent back as if reply was being
		1196	called.
		1197
820	=cut	1198	=cut
821		1199
822	sub register_extcmd {	1200	sub register_extcmd {
823	my ($name, $cb) = @_;	1201	my ($name, $cb) = @_;
824		1202
825	$EXTCMD{$name} = $cb;	1203	$EXTCMD{$name} = $cb;
		1204	}
		1205
		1206	sub register_exticmd {
		1207	my ($name, $cb) = @_;
		1208
		1209	$EXTICMD{$name} = $cb;
826	}	1210	}
827		1211
828	cf::player->attach (	1212	cf::player->attach (
829	on_command => sub {	1213	on_command => sub {
830	my ($pl, $name, $params) = @_;	1214	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1223	cf::override;
840	},	1224	},
841	on_extcmd => sub {	1225	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1226	my ($pl, $buf) = @_;
843		1227
844	my $msg = eval { from_json $buf };	1228	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1229
846	if (ref $msg) {	1230	if (ref $msg) {
		1231	my ($type, $reply, @payload) =
		1232	"ARRAY" eq ref $msg
		1233	? @$msg
		1234	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1235
		1236	my @reply;
		1237
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1238	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1239	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1240	}
		1241
		1242	$pl->ext_reply ($reply, @reply)
		1243	if $reply;
		1244
852	} else {	1245	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1247	}
855		1248
856	cf::override;	1249	cf::override;
857	},	1250	},
858	);	1251	);
859		1252
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1253	sub load_extensions {
		1254	cf::sync_job {
		1255	my %todo;
		1256
895	for my $ext (<$LIBDIR/*.ext>) {	1257	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1258	next unless -r $path;
897	eval {	1259
898	load_extension $ext;	1260	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1261	my $base = $1;
		1262	my $pkg = $1;
		1263	$pkg =~ s/[^[:word:]]/_/g;
		1264	$pkg = "ext::$pkg";
		1265
		1266	open my $fh, "<:utf8", $path
		1267	or die "$path: $!";
		1268
		1269	my $source = do { local $/; <$fh> };
		1270
		1271	my %ext = (
		1272	path => $path,
		1273	base => $base,
		1274	pkg => $pkg,
		1275	);
		1276
		1277	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1278	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1279
		1280	$ext{source} =
		1281	"package $pkg; use strict; use utf8;\n"
		1282	. "#line 1 \"$path\"\n{\n"
		1283	. $source
		1284	. "\n};\n1";
		1285
		1286	$todo{$base} = \%ext;
		1287	}
		1288
		1289	my %done;
		1290	while (%todo) {
		1291	my $progress;
		1292
		1293	while (my ($k, $v) = each %todo) {
		1294	for (split /,\s*/, $v->{meta}{depends}) {
		1295	goto skip
		1296	unless exists $done{$_};
		1297	}
		1298
		1299	warn "... loading '$k' into '$v->{pkg}'\n";
		1300
		1301	unless (eval $v->{source}) {
		1302	my $msg = $@ ? "$v->{path}: $@\n"
		1303	: "$v->{base}: extension inactive.\n";
		1304
		1305	if (exists $v->{meta}{mandatory}) {
		1306	warn $msg;
		1307	warn "mandatory extension failed to load, exiting.\n";
		1308	exit 1;
		1309	}
		1310
		1311	warn $msg;
		1312	}
		1313
		1314	$done{$k} = delete $todo{$k};
		1315	push @EXTS, $v->{pkg};
		1316	$progress = 1;
899	1	1317	}
900	} or warn "$ext not loaded: $@";	1318
		1319	skip:
		1320	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1321	unless $progress;
		1322	}
901	}	1323	};
902	}	1324	}
903		1325
904	#############################################################################	1326	#############################################################################
905	# load/save/clean perl data associated with a map
906		1327
907	*cf::mapsupport::on_clean = sub {	1328	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1329
920	=head2 CORE EXTENSIONS	1330	=head2 CORE EXTENSIONS
921		1331
922	Functions and methods that extend core crossfire objects.	1332	Functions and methods that extend core crossfire objects.
923		1333
…		…
929		1339
930	=head3 cf::player	1340	=head3 cf::player
931		1341
932	=over 4	1342	=over 4
933		1343
		1344	=item cf::player::num_playing
		1345
		1346	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1347
		1348	=cut
		1349
		1350	sub num_playing {
		1351	scalar grep
		1352	$_->ob->map
		1353	&& !$_->hidden
		1354	&& !$_->ob->flag (cf::FLAG_WIZ),
		1355	cf::player::list
		1356	}
		1357
934	=item cf::player::find $login	1358	=item cf::player::find $login
935		1359
936	Returns the given player object, loading it if necessary (might block).	1360	Returns the given player object, loading it if necessary (might block).
937		1361
938	=cut	1362	=cut
939		1363
940	sub playerdir($) {	1364	sub playerdir($) {
941	cf::localdir	1365	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1366	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1367	}
947		1368
948	sub path($) {	1369	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1370	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1371
951	(playerdir $login) . "/$login.pl"	1372	(playerdir $login) . "/playerdata"
952	}	1373	}
953		1374
954	sub find_active($) {	1375	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1376	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1377	and $cf::PLAYER{$_[0]}->active
…		…
959		1380
960	sub exists($) {	1381	sub exists($) {
961	my ($login) = @_;	1382	my ($login) = @_;
962		1383
963	$cf::PLAYER{$login}	1384	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1385	or cf::sync_job { !aio_stat path $login }
965	}	1386	}
966		1387
967	sub find($) {	1388	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1389	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1390	my $login = $_[0];
970		1391
971	my $guard = cf::lock_acquire "user_find:$login";	1392	my $guard = cf::lock_acquire "user_find:$login";
972		1393
973	$cf::PLAYER{$_[0]} || do {	1394	$cf::PLAYER{$_[0]} || do {
974	my $pl = load_pl path $login	1395	# rename old playerfiles to new ones
		1396	#TODO: remove when no longer required
		1397	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1398	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1399	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1400	aio_unlink +(playerdir $login) . "/$login.pl";
		1401
		1402	my $f = new_from_file cf::object::thawer path $login
975	or return;	1403	or return;
		1404
		1405	my $pl = cf::player::load_pl $f
		1406	or return;
		1407	local $cf::PLAYER_LOADING{$login} = $pl;
		1408	$f->resolve_delayed_derefs;
976	$cf::PLAYER{$login} = $pl	1409	$cf::PLAYER{$login} = $pl
977	}	1410	}
978	}	1411	}
979	}	1412	}
980		1413
…		…
990		1423
991	aio_mkdir playerdir $pl, 0770;	1424	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1425	$pl->{last_save} = $cf::RUNTIME;
993		1426
994	$pl->save_pl ($path);	1427	$pl->save_pl ($path);
995	Coro::cede;	1428	cf::cede_to_tick;
996	}	1429	}
997		1430
998	sub new($) {	1431	sub new($) {
999	my ($login) = @_;	1432	my ($login) = @_;
1000		1433
…		…
1006	$cf::PLAYER{$login} = $self;	1439	$cf::PLAYER{$login} = $self;
1007		1440
1008	$self	1441	$self
1009	}	1442	}
1010		1443
		1444	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1445
		1446	=cut
		1447
		1448	sub send_msg {
		1449	my $ns = shift->ns
		1450	or return;
		1451	$ns->send_msg (@_);
		1452	}
		1453
1011	=item $pl->quit_character	1454	=item $pl->quit_character
1012		1455
1013	Nukes the player without looking back. If logged in, the connection will	1456	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1457	be destroyed. May block for a long time.
1015		1458
1016	=cut	1459	=cut
1017		1460
1018	sub quit_character {	1461	sub quit_character {
1019	my ($pl) = @_;	1462	my ($pl) = @_;
		1463
		1464	my $name = $pl->ob->name;
1020		1465
1021	$pl->{deny_save} = 1;	1466	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1467	$pl->password ("*"); # this should lock out the player until we nuked the dir
1023		1468
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1469	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1474	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1475	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1476	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1477	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1478	$pl->destroy;
		1479
		1480	my $prefix = qr<^~\Q$name\E/>;
		1481
		1482	# nuke player maps
		1483	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1484
1034	IO::AIO::aio_rmtree $temp;	1485	IO::AIO::aio_rmtree $temp;
		1486	}
		1487
		1488	=item $pl->kick
		1489
		1490	Kicks a player out of the game. This destroys the connection.
		1491
		1492	=cut
		1493
		1494	sub kick {
		1495	my ($pl, $kicker) = @_;
		1496
		1497	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1498	$pl->killer ("kicked");
		1499	$pl->ns->destroy;
1035	}	1500	}
1036		1501
1037	=item cf::player::list_logins	1502	=item cf::player::list_logins
1038		1503
1039	Returns am arrayref of all valid playernames in the system, can take a	1504	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1505	while and may block, so not sync_job-capable, ever.
1041		1506
1042	=cut	1507	=cut
1043		1508
1044	sub list_logins {	1509	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1510	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1511	or return [];
1047		1512
1048	my @logins;	1513	my @logins;
1049		1514
1050	for my $login (@$dirs) {	1515	for my $login (@$dirs) {
		1516	my $path = path $login;
		1517
		1518	# a .pst is a dead give-away for a valid player
		1519	unless (-e "$path.pst") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1521	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1522	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1523	}
1054		1524
1055	utf8::decode $login;	1525	utf8::decode $login;
1056	push @logins, $login;	1526	push @logins, $login;
1057	}	1527	}
1058		1528
…		…
1066		1536
1067	=cut	1537	=cut
1068		1538
1069	sub maps($) {	1539	sub maps($) {
1070	my ($pl) = @_;	1540	my ($pl) = @_;
		1541
		1542	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1543
1072	my $files = aio_readdir playerdir $pl	1544	my $files = aio_readdir playerdir $pl
1073	or return;	1545	or return;
1074		1546
1075	my @paths;	1547	my @paths;
…		…
1077	for (@$files) {	1549	for (@$files) {
1078	utf8::decode $_;	1550	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1551	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1552	next unless /^$PATH_SEP/o;
1081		1553
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1554	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1555	}
1084		1556
1085	\@paths	1557	\@paths
1086	}	1558	}
1087		1559
		1560	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1561
		1562	Expand crossfire pod fragments into protocol xml.
		1563
		1564	=cut
		1565
		1566	use re 'eval';
		1567
		1568	my $group;
		1569	my $interior; $interior = qr{
		1570	# match a pod interior sequence sans C<< >>
		1571	(?:
		1572	\ (.*?)\ (?{ $group = $^N })
		1573	| < (??{$interior}) >
		1574	)
		1575	}x;
		1576
		1577	sub expand_cfpod {
		1578	my ($self, $pod) = @_;
		1579
		1580	my $xml;
		1581
		1582	while () {
		1583	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1584	$group = $1;
		1585
		1586	$group =~ s/&/&amp;/g;
		1587	$group =~ s/</&lt;/g;
		1588
		1589	$xml .= $group;
		1590	} elsif ($pod =~ m%\G
		1591	([BCGHITU])
		1592	<
		1593	(?:
		1594	([^<>]*) (?{ $group = $^N })
		1595	| < $interior >
		1596	)
		1597	>
		1598	%gcsx
		1599	) {
		1600	my ($code, $data) = ($1, $group);
		1601
		1602	if ($code eq "B") {
		1603	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1604	} elsif ($code eq "I") {
		1605	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1606	} elsif ($code eq "U") {
		1607	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1608	} elsif ($code eq "C") {
		1609	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1610	} elsif ($code eq "T") {
		1611	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1612	} elsif ($code eq "G") {
		1613	my ($male, $female) = split /\|/, $data;
		1614	$data = $self->gender ? $female : $male;
		1615	$xml .= expand_cfpod ($self, $data);
		1616	} elsif ($code eq "H") {
		1617	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1618	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1619	"")
		1620	[$self->{hintmode}];
		1621	} else {
		1622	$xml .= "error processing '$code($data)' directive";
		1623	}
		1624	} else {
		1625	if ($pod =~ /\G(.+)/) {
		1626	warn "parse error while expanding $pod (at $1)";
		1627	}
		1628	last;
		1629	}
		1630	}
		1631
		1632	for ($xml) {
		1633	# create single paragraphs (very hackish)
		1634	s/(?<=\S)\n(?=\w)/ /g;
		1635
		1636	# compress some whitespace
		1637	s/\s+\n/\n/g; # ws line-ends
		1638	s/\n\n+/\n/g; # double lines
		1639	s/^\n+//; # beginning lines
		1640	s/\n+$//; # ending lines
		1641	}
		1642
		1643	$xml
		1644	}
		1645
		1646	no re 'eval';
		1647
		1648	sub hintmode {
		1649	$_[0]{hintmode} = $_[1] if @_ > 1;
		1650	$_[0]{hintmode}
		1651	}
		1652
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1653	=item $player->ext_reply ($msgid, @msg)
1089		1654
1090	Sends an ext reply to the player.	1655	Sends an ext reply to the player.
1091		1656
1092	=cut	1657	=cut
1093		1658
1094	sub ext_reply($$$%) {	1659	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1660	my ($self, $id, @msg) = @_;
1096		1661
1097	$msg{msgid} = $id;	1662	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1663	}
1101		1664
1102	package cf;	1665	=item $player->ext_msg ($type, @msg)
		1666
		1667	Sends an ext event to the client.
		1668
		1669	=cut
		1670
		1671	sub ext_msg($$@) {
		1672	my ($self, $type, @msg) = @_;
		1673
		1674	$self->ns->ext_msg ($type, @msg);
		1675	}
		1676
		1677	=head3 cf::region
		1678
		1679	=over 4
		1680
		1681	=cut
		1682
		1683	package cf::region;
		1684
		1685	=item cf::region::find_by_path $path
		1686
		1687	Tries to decuce the likely region for a map knowing only its path.
		1688
		1689	=cut
		1690
		1691	sub find_by_path($) {
		1692	my ($path) = @_;
		1693
		1694	my ($match, $specificity);
		1695
		1696	for my $region (list) {
		1697	if ($region->{match} && $path =~ $region->{match}) {
		1698	($match, $specificity) = ($region, $region->specificity)
		1699	if $region->specificity > $specificity;
		1700	}
		1701	}
		1702
		1703	$match
		1704	}
1103		1705
1104	=back	1706	=back
1105
1106		1707
1107	=head3 cf::map	1708	=head3 cf::map
1108		1709
1109	=over 4	1710	=over 4
1110		1711
…		…
1114		1715
1115	use Fcntl;	1716	use Fcntl;
1116	use Coro::AIO;	1717	use Coro::AIO;
1117		1718
1118	use overload	1719	use overload
1119	'""' => \&as_string;	1720	'""' => \&as_string,
		1721	fallback => 1;
1120		1722
1121	our $MAX_RESET = 3600;	1723	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1724	our $DEFAULT_RESET = 3000;
1123		1725
1124	sub generate_random_map {	1726	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1727	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1729	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1739	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1740	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1741	)
1141	}	1742	}
1142		1743
		1744	=item cf::map->register ($regex, $prio)
		1745
		1746	Register a handler for the map path matching the given regex at the
		1747	givne priority (higher is better, built-in handlers have priority 0, the
		1748	default).
		1749
		1750	=cut
		1751
1143	sub register {	1752	sub register {
1144	my (undef, $regex) = @_;	1753	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1754	my $pkg = caller;
1146		1755
1147	no strict;	1756	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1757	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1758
1150	$EXT_MAP{$pkg} = qr<$regex>;	1759	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1760	}
1152		1761
1153	# also paths starting with '/'	1762	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1763	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1764
		1765	sub thawer_merge {
		1766	my ($self, $merge) = @_;
		1767
		1768	# we have to keep some variables in memory intact
		1769	local $self->{path};
		1770	local $self->{load_path};
		1771
		1772	$self->SUPER::thawer_merge ($merge);
		1773	}
1155		1774
1156	sub normalise {	1775	sub normalise {
1157	my ($path, $base) = @_;	1776	my ($path, $base) = @_;
		1777
		1778	$path = "$path"; # make sure its a string
		1779
		1780	$path =~ s/\.map$//;
1158		1781
1159	# map plan:	1782	# map plan:
1160	#	1783	#
1161	# /! non-realised random map exit (special hack!)	1784	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1785	# {... are special paths that are not being touched
…		…
1190		1813
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1814	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1815
1193	$path = normalise $path, $base;	1816	$path = normalise $path, $base;
1194		1817
1195	for my $pkg (keys %EXT_MAP) {	1818	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1819	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1820	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1821	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1200	return $self;	1823	return $self;
1201	}	1824	}
1202	}	1825	}
1203		1826
1204	Carp::carp "unable to resolve path '$path'.";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1828	()
1206	}	1829	}
1207		1830
1208	sub init {	1831	sub init {
1209	my ($self) = @_;	1832	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1843	# the displayed name, this is a one way mapping
1221	sub visible_name {	1844	sub visible_name {
1222	&as_string	1845	&as_string
1223	}	1846	}
1224		1847
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1848	# the original (read-only) location
1233	sub load_path {	1849	sub load_path {
1234	my ($self) = @_;	1850	my ($self) = @_;
1235		1851
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1852	"$MAPDIR/$self->{path}.map"
1237	}	1853	}
1238		1854
1239	# the temporary/swap location	1855	# the temporary/swap location
1240	sub save_path {	1856	sub save_path {
1241	my ($self) = @_;	1857	my ($self) = @_;
1242		1858
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1860	"$TMPDIR/$path.map"
1244	}	1861	}
1245		1862
1246	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1247	sub uniq_path {	1864	sub uniq_path {
1248	my ($self) = @_;	1865	my ($self) = @_;
1249		1866
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1868	"$UNIQUEDIR/$path"
1251	}	1869	}
1252		1870
1253	# and all this just because we cannot iterate over	1871	# and all this just because we cannot iterate over
1254	# all maps in C++...	1872	# all maps in C++...
1255	sub change_all_map_light {	1873	sub change_all_map_light {
…		…
1257		1875
1258	$_->change_map_light ($change)	1876	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1877	for grep $_->outdoor, values %cf::MAP;
1260	}	1878	}
1261		1879
		1880	sub decay_objects {
		1881	my ($self) = @_;
		1882
		1883	return if $self->{deny_reset};
		1884
		1885	$self->do_decay_objects;
		1886	}
		1887
1262	sub unlink_save {	1888	sub unlink_save {
1263	my ($self) = @_;	1889	my ($self) = @_;
1264		1890
1265	utf8::encode (my $save = $self->save_path);	1891	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1892	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1894	}
1269		1895
1270	sub load_header_from($) {	1896	sub load_header_from($) {
1271	my ($self, $path) = @_;	1897	my ($self, $path) = @_;
1272		1898
1273	utf8::encode $path;	1899	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1900	my $f = new_from_file cf::object::thawer $path
1275	or return;	1901	or return;
1276		1902
1277	$self->_load_header ($path)	1903	$self->_load_header ($f)
1278	or return;	1904	or return;
1279		1905
		1906	local $MAP_LOADING{$self->{path}} = $self;
		1907	$f->resolve_delayed_derefs;
		1908
1280	$self->{load_path} = $path;	1909	$self->{load_path} = $path;
1281		1910
1282	1	1911	1
1283	}	1912	}
1284		1913
1285	sub load_orig {	1914	sub load_header_orig {
1286	my ($self) = @_;	1915	my ($self) = @_;
1287		1916
1288	$self->load_header_from ($self->load_path)	1917	$self->load_header_from ($self->load_path)
1289	}	1918	}
1290		1919
1291	sub load_temp {	1920	sub load_header_temp {
1292	my ($self) = @_;	1921	my ($self) = @_;
1293		1922
1294	$self->load_header_from ($self->save_path)	1923	$self->load_header_from ($self->save_path)
		1924	}
		1925
		1926	sub prepare_temp {
		1927	my ($self) = @_;
		1928
		1929	$self->last_access ((delete $self->{last_access})
		1930	|| $cf::RUNTIME); #d#
		1931	# safety
		1932	$self->{instantiate_time} = $cf::RUNTIME
		1933	if $self->{instantiate_time} > $cf::RUNTIME;
		1934	}
		1935
		1936	sub prepare_orig {
		1937	my ($self) = @_;
		1938
		1939	$self->{load_original} = 1;
		1940	$self->{instantiate_time} = $cf::RUNTIME;
		1941	$self->last_access ($cf::RUNTIME);
		1942	$self->instantiate;
1295	}	1943	}
1296		1944
1297	sub load_header {	1945	sub load_header {
1298	my ($self) = @_;	1946	my ($self) = @_;
1299		1947
1300	if ($self->load_temp) {	1948	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1949	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1950	} else {
1307	$self->load_orig	1951	$self->load_header_orig
1308	or return;	1952	or return;
1309		1953	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1954	}
		1955
		1956	$self->{deny_reset} = 1
		1957	if $self->no_reset;
		1958
		1959	$self->default_region (cf::region::find_by_path $self->{path})
		1960	unless $self->default_region;
1315		1961
1316	1	1962	1
1317	}	1963	}
1318		1964
1319	sub find;	1965	sub find;
1320	sub find {	1966	sub find {
1321	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1322		1968
1323	$path = normalise $path, $origin && $origin->path;	1969	$path = normalise $path, $origin && $origin->path;
1324		1970
		1971	cf::lock_wait "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	1972	cf::lock_wait "map_find:$path";
1326		1973
1327	$cf::MAP{$path} || do {	1974	$cf::MAP{$path} || do {
1328	my $guard = cf::lock_acquire "map_find:$path";	1975	my $guard1 = cf::lock_acquire "map_find:$path";
		1976	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1977
1329	my $map = new_from_path cf::map $path	1978	my $map = new_from_path cf::map $path
1330	or return;	1979	or return;
1331		1980
1332	$map->{last_save} = $cf::RUNTIME;	1981	$map->{last_save} = $cf::RUNTIME;
1333		1982
1334	$map->load_header	1983	$map->load_header
1335	or return;	1984	or return;
1336		1985
1337	if ($map->should_reset) {	1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1987	# doing this can freeze the server in a sync job, obviously
		1988	#$cf::WAIT_FOR_TICK->wait;
		1989	undef $guard1;
		1990	undef $guard2;
1338	$map->reset;	1991	$map->reset;
1339	undef $guard;
1340	$map = find $path	1992	return find $path;
1341	or return;
1342	}	1993	}
1343		1994
1344	$cf::MAP{$path} = $map	1995	$cf::MAP{$path} = $map
1345	}	1996	}
1346	}	1997	}
		1998
		1999	sub pre_load { }
		2000	sub post_load { }
1347		2001
1348	sub load {	2002	sub load {
1349	my ($self) = @_;	2003	my ($self) = @_;
1350		2004
		2005	local $self->{deny_reset} = 1; # loading can take a long time
		2006
1351	my $path = $self->{path};	2007	my $path = $self->{path};
		2008
		2009	{
1352	my $guard = cf::lock_acquire "map_load:$path";	2010	my $guard = cf::lock_acquire "map_data:$path";
1353		2011
		2012	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	2013	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		2014
1356	$self->in_memory (cf::MAP_LOADING);	2015	$self->in_memory (cf::MAP_LOADING);
1357		2016
1358	$self->alloc;	2017	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)	2018
		2019	$self->pre_load;
		2020	cf::cede_to_tick;
		2021
		2022	my $f = new_from_file cf::object::thawer $self->{load_path};
		2023	$f->skip_block;
		2024	$self->_load_objects ($f)
1360	or return;	2025	or return;
1361		2026
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363	if delete $self->{load_original};	2028	if delete $self->{load_original};
1364		2029
1365	if (my $uniq = $self->uniq_path) {	2030	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	2031	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	2032	unless (aio_stat $uniq) {
		2033	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	2034	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	2035	$self->_load_objects ($f);
		2036	$f->resolve_delayed_derefs;
		2037	}
1370	}	2038	}
1371	}	2039	}
1372		2040
1373	Coro::cede;	2041	$f->resolve_delayed_derefs;
1374		2042
		2043	cf::cede_to_tick;
1375	# now do the right thing for maps	2044	# now do the right thing for maps
1376	$self->link_multipart_objects;	2045	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2046	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2047	unless $self->difficulty;
1386	Coro::cede;	2048	cf::cede_to_tick;
		2049
		2050	unless ($self->{deny_activate}) {
		2051	$self->decay_objects;
		2052	$self->fix_auto_apply;
		2053	$self->update_buttons;
		2054	cf::cede_to_tick;
		2055	$self->set_darkness_map;
		2056	cf::cede_to_tick;
1387	$self->activate;	2057	$self->activate;
1388	}	2058	}
1389		2059
		2060	$self->{last_save} = $cf::RUNTIME;
		2061	$self->last_access ($cf::RUNTIME);
		2062
1390	$self->in_memory (cf::MAP_IN_MEMORY);	2063	$self->in_memory (cf::MAP_IN_MEMORY);
		2064	}
		2065
		2066	$self->post_load;
1391	}	2067	}
1392		2068
1393	sub customise_for {	2069	sub customise_for {
1394	my ($self, $ob) = @_;	2070	my ($self, $ob) = @_;
1395		2071
1396	return find "~" . $ob->name . "/" . $self->{path}	2072	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	2073	if $self->per_player;
1398		2074
		2075	# return find "?party/" . $ob->name . "/" . $self->{path}
		2076	# if $self->per_party;
		2077
1399	$self	2078	$self
1400	}	2079	}
1401		2080
1402	# find and load all maps in the 3x3 area around a map	2081	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	2082	sub load_neighbours {
1404	my ($map) = @_;	2083	my ($map) = @_;
1405		2084
1406	my @diag; # diagonal neighbours	2085	my @neigh; # diagonal neighbours
1407		2086
1408	for (0 .. 3) {	2087	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	2088	my $neigh = $map->tile_path ($_)
1410	or next;	2089	or next;
1411	$neigh = find $neigh, $map	2090	$neigh = find $neigh, $map
1412	or next;	2091	or next;
1413	$neigh->load;	2092	$neigh->load;
1414		2093
		2094	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	2097	}
1418		2098
1419	for (@diag) {	2099	for (grep defined $_->[0], @neigh) {
		2100	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	2101	my $neigh = find $path, $origin
1421	or next;	2102	or next;
1422	$neigh->load;	2103	$neigh->load;
1423	}	2104	}
1424	}	2105	}
1425		2106
…		…
1430	}	2111	}
1431		2112
1432	sub do_load_sync {	2113	sub do_load_sync {
1433	my ($map) = @_;	2114	my ($map) = @_;
1434		2115
		2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2117	if $Coro::current == $Coro::main;
		2118
1435	cf::sync_job { $map->load };	2119	cf::sync_job { $map->load };
1436	}	2120	}
1437		2121
1438	our %MAP_PREFETCH;	2122	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2123	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		2124
1452	sub find_async {	2125	sub find_async {
1453	my ($path, $origin) = @_;	2126	my ($path, $origin, $load) = @_;
1454		2127
1455	$path = normalise $path, $origin && $origin->{path};	2128	$path = normalise $path, $origin && $origin->{path};
1456		2129
1457	if (my $map = $cf::MAP{$path}) {	2130	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2132	}
		2133
		2134	$MAP_PREFETCH{$path} |= $load;
		2135
		2136	$MAP_PREFETCHER ||= cf::async {
		2137	$Coro::current->{desc} = "map prefetcher";
		2138
		2139	while (%MAP_PREFETCH) {
		2140	while (my ($k, $v) = each %MAP_PREFETCH) {
		2141	if (my $map = find $k) {
		2142	$map->load if $v;
		2143	}
		2144
		2145	delete $MAP_PREFETCH{$k};
		2146	}
		2147	}
		2148	undef $MAP_PREFETCHER;
1459	}	2149	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2150	$MAP_PREFETCHER->prio (6);
1463		2151
1464	()	2152	()
1465	}	2153	}
1466		2154
1467	sub save {	2155	sub save {
1468	my ($self) = @_;	2156	my ($self) = @_;
1469		2157
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2159
1472	$self->{last_save} = $cf::RUNTIME;	2160	$self->{last_save} = $cf::RUNTIME;
1473		2161
1474	return unless $self->dirty;	2162	return unless $self->dirty;
1475		2163
…		…
1481	return if $self->{deny_save};	2169	return if $self->{deny_save};
1482		2170
1483	local $self->{last_access} = $self->last_access;#d#	2171	local $self->{last_access} = $self->last_access;#d#
1484		2172
1485	cf::async {	2173	cf::async {
		2174	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2175	$_->contr->save for $self->players;
1487	};	2176	};
1488		2177
1489	if ($uniq) {	2178	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1498	my ($self) = @_;	2187	my ($self) = @_;
1499		2188
1500	# save first because save cedes	2189	# save first because save cedes
1501	$self->save;	2190	$self->save;
1502		2191
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2192	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2193
1505	return if $self->players;	2194	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2195	return if $self->in_memory != cf::MAP_IN_MEMORY;
1507	return if $self->{deny_save};	2196	return if $self->{deny_save};
1508		2197
		2198	$self->in_memory (cf::MAP_SWAPPED);
		2199
		2200	$self->deactivate;
		2201	$_->clear_links_to ($self) for values %cf::MAP;
1509	$self->clear;	2202	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2203	}
1512		2204
1513	sub reset_at {	2205	sub reset_at {
1514	my ($self) = @_;	2206	my ($self) = @_;
1515		2207
1516	# TODO: safety, remove and allow resettable per-player maps	2208	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2209	return 1e99 if $self->{deny_reset};
1519		2210
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2211	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2212	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2213
…		…
1527	my ($self) = @_;	2218	my ($self) = @_;
1528		2219
1529	$self->reset_at <= $cf::RUNTIME	2220	$self->reset_at <= $cf::RUNTIME
1530	}	2221	}
1531		2222
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2223	sub reset {
1547	my ($self) = @_;	2224	my ($self) = @_;
1548		2225
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2227
1551	return if $self->players;	2228	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2229
1554	warn "resetting map ", $self->path;#d#	2230	warn "resetting map ", $self->path;
		2231
		2232	$self->in_memory (cf::MAP_SWAPPED);
		2233
		2234	# need to save uniques path
		2235	unless ($self->{deny_save}) {
		2236	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2237
		2238	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2239	if $uniq;
		2240	}
1555		2241
1556	delete $cf::MAP{$self->path};	2242	delete $cf::MAP{$self->path};
1557		2243
		2244	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2245	$_->clear_links_to ($self) for values %cf::MAP;
		2246	$self->clear;
1559		2247
1560	$self->unlink_save;	2248	$self->unlink_save;
1561	$self->destroy;	2249	$self->destroy;
1562	}	2250	}
1563		2251
1564	my $nuke_counter = "aaaa";	2252	my $nuke_counter = "aaaa";
1565		2253
1566	sub nuke {	2254	sub nuke {
1567	my ($self) = @_;	2255	my ($self) = @_;
1568		2256
		2257	{
		2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2259
		2260	delete $cf::MAP{$self->path};
		2261
		2262	$self->unlink_save;
		2263
		2264	bless $self, "cf::map";
		2265	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2266	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2267	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2269
		2270	$cf::MAP{$self->path} = $self;
		2271	}
		2272
1572	$self->reset; # polite request, might not happen	2273	$self->reset; # polite request, might not happen
		2274	}
		2275
		2276	=item $maps = cf::map::tmp_maps
		2277
		2278	Returns an arrayref with all map paths of currently instantiated and saved
		2279	maps. May block.
		2280
		2281	=cut
		2282
		2283	sub tmp_maps() {
		2284	[
		2285	map {
		2286	utf8::decode $_;
		2287	/\.map$/
		2288	? normalise $_
		2289	: ()
		2290	} @{ aio_readdir $TMPDIR or [] }
		2291	]
		2292	}
		2293
		2294	=item $maps = cf::map::random_maps
		2295
		2296	Returns an arrayref with all map paths of currently instantiated and saved
		2297	random maps. May block.
		2298
		2299	=cut
		2300
		2301	sub random_maps() {
		2302	[
		2303	map {
		2304	utf8::decode $_;
		2305	/\.map$/
		2306	? normalise "?random/$_"
		2307	: ()
		2308	} @{ aio_readdir $RANDOMDIR or [] }
		2309	]
1573	}	2310	}
1574		2311
1575	=item cf::map::unique_maps	2312	=item cf::map::unique_maps
1576		2313
1577	Returns an arrayref of paths of all shared maps that have	2314	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2315	instantiated unique items. May block.
1579		2316
1580	=cut	2317	=cut
1581		2318
1582	sub unique_maps() {	2319	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2320	[
1584	or return;	2321	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2322	utf8::decode $_;
1590	next if /\.pst$/;	2323	/\.map$/
1591	next unless /^$PATH_SEP/o;	2324	? normalise $_
1592		2325	: ()
1593	push @paths, $_;	2326	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2327	]
1595
1596	\@paths
1597	}	2328	}
1598		2329
1599	package cf;	2330	package cf;
1600		2331
1601	=back	2332	=back
…		…
1619	map { $_, inv_recursive_ $_->inv } @_	2350	map { $_, inv_recursive_ $_->inv } @_
1620	}	2351	}
1621		2352
1622	sub inv_recursive {	2353	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2354	inv_recursive_ inv $_[0]
		2355	}
		2356
		2357	=item $ref = $ob->ref
		2358
		2359	creates and returns a persistent reference to an objetc that can be stored as a string.
		2360
		2361	=item $ob = cf::object::deref ($refstring)
		2362
		2363	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2364	even if the object actually exists. May block.
		2365
		2366	=cut
		2367
		2368	sub deref {
		2369	my ($ref) = @_;
		2370
		2371	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2372	my ($uuid, $name) = ($1, $2);
		2373	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2374	or return;
		2375	$pl->ob->uuid eq $uuid
		2376	or return;
		2377
		2378	$pl->ob
		2379	} else {
		2380	warn "$ref: cannot resolve object reference\n";
		2381	undef
		2382	}
1624	}	2383	}
1625		2384
1626	package cf;	2385	package cf;
1627		2386
1628	=back	2387	=back
…		…
1647		2406
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2408
1650	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1652	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2421	$self->message ($msg, $flags);
		2422	}
1655	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1656	}	2434	}
1657		2435
1658	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1659		2437
1660	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2470	=cut
1693		2471
1694	sub link_map {	2472	sub link_map {
1695	unless ($LINK_MAP) {	2473	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2474	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2475	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2476	$LINK_MAP->load;
1699	}	2477	}
1700		2478
1701	$LINK_MAP	2479	$LINK_MAP
1702	}	2480	}
…		…
1707	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1708		2486
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2488
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1713		2491
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2493	}
1716		2494
1717	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1719		2499
1720	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1721		2501
1722	unless ($map) {	2502	unless ($map) {
1723	# restore original map position	2503	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1740		2520
1741	$map->load;	2521	$map->load;
1742	$map->load_diag;	2522	$map->load_neighbours;
1743		2523
1744	return unless $self->contr->active;	2524	return unless $self->contr->active;
1745	$self->activate_recursive;	2525	$self->activate_recursive;
		2526
		2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1747	}	2529	}
1748		2530
1749	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2532
1753	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1757	};	2537	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2538
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2539	=cut
		2540
		2541	our $GOTOGEN;
1784		2542
1785	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2544	my ($self, $path, $x, $y, $check, $done) = @_;
		2545
		2546	# do generation counting so two concurrent goto's will be executed in-order
		2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2548
1788	$self->enter_link;	2549	$self->enter_link;
1789		2550
1790	(async {	2551	(async {
1791	my $map = cf::map::find $path;	2552	$Coro::current->{desc} = "player::goto $path $x $y";
		2553
		2554	# *tag paths override both path and x|y
		2555	if ($path =~ /^\*(.*)$/) {
		2556	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2557	my $ob = $obs[rand @obs];
		2558
		2559	# see if we actually can go there
		2560	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2561	$ob = $obs[rand @obs];
		2562	} else {
		2563	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2564	}
		2565	# else put us there anyways for now #d#
		2566
		2567	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2568	} else {
		2569	($path, $x, $y) = (undef, undef, undef);
		2570	}
		2571	}
		2572
		2573	my $map = eval {
		2574	my $map = defined $path ? cf::map::find $path : undef;
		2575
		2576	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2577	$map = $map->customise_for ($self);
1793		2578	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2579	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2581	}
1798		2582
		2583	$map
		2584	};
		2585
		2586	if ($@) {
		2587	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	LOG llevError | logBacktrace, Carp::longmess $@;
		2589	}
		2590
		2591	if ($gen == $self->{_goto_generation}) {
		2592	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2593	$self->leave_link ($map, $x, $y);
		2594	}
		2595
		2596	$done->() if $done;
1800	})->prio (1);	2597	})->prio (1);
1801	}	2598	}
1802		2599
1803	=item $player_object->enter_exit ($exit_object)	2600	=item $player_object->enter_exit ($exit_object)
1804		2601
…		…
1806		2603
1807	sub parse_random_map_params {	2604	sub parse_random_map_params {
1808	my ($spec) = @_;	2605	my ($spec) = @_;
1809		2606
1810	my $rmp = { # defaults	2607	my $rmp = { # defaults
1811	xsize => 10,	2608	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2609	ysize => (cf::rndm 15, 40),
		2610	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2611	#layout => string,
1813	};	2612	};
1814		2613
1815	for (split /\n/, $spec) {	2614	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2615	my ($k, $v) = split /\s+/, $_, 2;
1817		2616
…		…
1821	$rmp	2620	$rmp
1822	}	2621	}
1823		2622
1824	sub prepare_random_map {	2623	sub prepare_random_map {
1825	my ($exit) = @_;	2624	my ($exit) = @_;
		2625
		2626	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2627
1827	# all this does is basically replace the /! path by	2628	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2629	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2630	# that depends on the exit object
1830		2631
1831	my $rmp = parse_random_map_params $exit->msg;	2632	my $rmp = parse_random_map_params $exit->msg;
1832		2633
1833	if ($exit->map) {	2634	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2635	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2636	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2637	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2638	$rmp->{origin_y} = $exit->y;
1838	}	2639	}
1839		2640
1840	$rmp->{random_seed} ||= $exit->random_seed;	2641	$rmp->{random_seed} ||= $exit->random_seed;
1841		2642
1842	my $data = cf::to_json $rmp;	2643	my $data = cf::encode_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2644	my $md5 = Digest::MD5::md5_hex $data;
		2645	my $meta = "$RANDOMDIR/$md5.meta";
1844		2646
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2648	aio_write $fh, 0, (length $data), $data, 0;
		2649	undef $fh;
		2650	aio_rename "$meta~", $meta;
1847		2651
1848	$exit->slaying ("?random/$md5");	2652	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2653	$exit->msg (undef);
1850	}	2654	}
1851	}	2655	}
…		…
1853	sub cf::object::player::enter_exit {	2657	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2658	my ($self, $exit) = @_;
1855		2659
1856	return unless $self->type == cf::PLAYER;	2660	return unless $self->type == cf::PLAYER;
1857		2661
		2662	if ($exit->slaying eq "/!") {
		2663	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2664	# the problem is that $exit might not survive long enough
		2665	# so it needs to be done right now, right here
		2666	cf::sync_job { prepare_random_map $exit };
		2667	}
		2668
		2669	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2670	my $hp = $exit->stats->hp;
		2671	my $sp = $exit->stats->sp;
		2672
1858	$self->enter_link;	2673	$self->enter_link;
1859		2674
		2675	# if exit is damned, update players death & WoR home-position
		2676	$self->contr->savebed ($slaying, $hp, $sp)
		2677	if $exit->flag (FLAG_DAMNED);
		2678
1860	(async {	2679	(async {
		2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2681
1861	$self->deactivate_recursive; # just to be sure	2682	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2683	unless (eval {
1863	prepare_random_map $exit	2684	$self->goto ($slaying, $hp, $sp);
1864	if $exit->slaying eq "/!";
1865
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1868		2685
1869	1;	2686	1;
1870	}) {	2687	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2688	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2689	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2690	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2691	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2692
1876	warn "ERROR in enter_exit: $@";	2693	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2694	$self->leave_link;
1878	}	2695	}
1879	})->prio (1);	2696	})->prio (1);
…		…
1892		2709
1893	sub cf::client::send_drawinfo {	2710	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2711	my ($self, $text, $flags) = @_;
1895		2712
1896	utf8::encode $text;	2713	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2714	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2715	}
1899		2716
		2717	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2718
		2719	Send a drawinfo or msg packet to the client, formatting the msg for the
		2720	client if neccessary. C<$type> should be a string identifying the type of
		2721	the message, with C<log> being the default. If C<$color> is negative, suppress
		2722	the message unless the client supports the msg packet.
		2723
		2724	=cut
		2725
		2726	# non-persistent channels (usually the info channel)
		2727	our %CHANNEL = (
		2728	"c/identify" => {
		2729	id => "infobox",
		2730	title => "Identify",
		2731	reply => undef,
		2732	tooltip => "Items recently identified",
		2733	},
		2734	"c/examine" => {
		2735	id => "infobox",
		2736	title => "Examine",
		2737	reply => undef,
		2738	tooltip => "Signs and other items you examined",
		2739	},
		2740	"c/book" => {
		2741	id => "infobox",
		2742	title => "Book",
		2743	reply => undef,
		2744	tooltip => "The contents of a note or book",
		2745	},
		2746	"c/lookat" => {
		2747	id => "infobox",
		2748	title => "Look",
		2749	reply => undef,
		2750	tooltip => "What you saw there",
		2751	},
		2752	"c/who" => {
		2753	id => "infobox",
		2754	title => "Players",
		2755	reply => undef,
		2756	tooltip => "Shows players who are currently online",
		2757	},
		2758	"c/body" => {
		2759	id => "infobox",
		2760	title => "Body Parts",
		2761	reply => undef,
		2762	tooltip => "Shows which body parts you posess and are available",
		2763	},
		2764	"c/uptime" => {
		2765	id => "infobox",
		2766	title => "Uptime",
		2767	reply => undef,
		2768	tooltip => "How long the server has been running since last restart",
		2769	},
		2770	"c/mapinfo" => {
		2771	id => "infobox",
		2772	title => "Map Info",
		2773	reply => undef,
		2774	tooltip => "Information related to the maps",
		2775	},
		2776	);
		2777
		2778	sub cf::client::send_msg {
		2779	my ($self, $channel, $msg, $color, @extra) = @_;
		2780
		2781	$msg = $self->pl->expand_cfpod ($msg);
		2782
		2783	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2784
		2785	# check predefined channels, for the benefit of C
		2786	if ($CHANNEL{$channel}) {
		2787	$channel = $CHANNEL{$channel};
		2788
		2789	$self->ext_msg (channel_info => $channel)
		2790	if $self->can_msg;
		2791
		2792	$channel = $channel->{id};
		2793
		2794	} elsif (ref $channel) {
		2795	# send meta info to client, if not yet sent
		2796	unless (exists $self->{channel}{$channel->{id}}) {
		2797	$self->{channel}{$channel->{id}} = $channel;
		2798	$self->ext_msg (channel_info => $channel)
		2799	if $self->can_msg;
		2800	}
		2801
		2802	$channel = $channel->{id};
		2803	}
		2804
		2805	return unless @extra || length $msg;
		2806
		2807	if ($self->can_msg) {
		2808	# default colour, mask it out
		2809	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2810	if $color & cf::NDI_DEF;
		2811
		2812	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2813	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2814	} else {
		2815	if ($color >= 0) {
		2816	# replace some tags by gcfclient-compatible ones
		2817	for ($msg) {
		2818	1 while
		2819	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2820	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2821	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2822	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2823	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2824	}
		2825
		2826	$color &= cf::NDI_COLOR_MASK;
		2827
		2828	utf8::encode $msg;
		2829
		2830	if (0 && $msg =~ /\[/) {
		2831	# COMMAND/INFO
		2832	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2833	} else {
		2834	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2835	$self->send_packet ("drawinfo $color $msg")
		2836	}
		2837	}
		2838	}
		2839	}
		2840
		2841	=item $client->ext_msg ($type, @msg)
		2842
		2843	Sends an ext event to the client.
		2844
		2845	=cut
		2846
		2847	sub cf::client::ext_msg($$@) {
		2848	my ($self, $type, @msg) = @_;
		2849
		2850	if ($self->extcmd == 2) {
		2851	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2852	} elsif ($self->extcmd == 1) { # TODO: remove
		2853	push @msg, msgtype => "event_$type";
		2854	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2855	}
		2856	}
		2857
		2858	=item $client->ext_reply ($msgid, @msg)
		2859
		2860	Sends an ext reply to the client.
		2861
		2862	=cut
		2863
		2864	sub cf::client::ext_reply($$@) {
		2865	my ($self, $id, @msg) = @_;
		2866
		2867	if ($self->extcmd == 2) {
		2868	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2869	} elsif ($self->extcmd == 1) {
		2870	#TODO: version 1, remove
		2871	unshift @msg, msgtype => "reply", msgid => $id;
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2873	}
		2874	}
1900		2875
1901	=item $success = $client->query ($flags, "text", \&cb)	2876	=item $success = $client->query ($flags, "text", \&cb)
1902		2877
1903	Queues a query to the client, calling the given callback with	2878	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2879	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2880	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2881
1907	Queries can fail, so check the return code. Or don't, as queries will become	2882	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2883	become reliable at some point in the future.
1909		2884
1910	=cut	2885	=cut
1911		2886
1912	sub cf::client::query {	2887	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2888	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2896	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2897	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2898
1924	$self->send_packet ($self->{query_queue}[0][0])	2899	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2900	if @{ $self->{query_queue} } == 1;
		2901
		2902	1
1926	}	2903	}
1927		2904
1928	cf::client->attach (	2905	cf::client->attach (
		2906	on_connect => sub {
		2907	my ($ns) = @_;
		2908
		2909	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2910	},
1929	on_reply => sub {	2911	on_reply => sub {
1930	my ($ns, $msg) = @_;	2912	my ($ns, $msg) = @_;
1931		2913
1932	# this weird shuffling is so that direct followup queries	2914	# this weird shuffling is so that direct followup queries
1933	# get handled first	2915	# get handled first
1934	my $queue = delete $ns->{query_queue}	2916	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2917	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2918
1937	(shift @$queue)->[1]->($msg);	2919	(shift @$queue)->[1]->($msg);
		2920	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2921
1939	push @{ $ns->{query_queue} }, @$queue;	2922	push @{ $ns->{query_queue} }, @$queue;
1940		2923
1941	if (@{ $ns->{query_queue} } == @$queue) {	2924	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2925	if (@$queue) {
…		…
1944	} else {	2927	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2928	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	2929	}
1947	}	2930	}
1948	},	2931	},
		2932	on_exticmd => sub {
		2933	my ($ns, $buf) = @_;
		2934
		2935	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2936
		2937	if (ref $msg) {
		2938	my ($type, $reply, @payload) =
		2939	"ARRAY" eq ref $msg
		2940	? @$msg
		2941	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2942
		2943	my @reply;
		2944
		2945	if (my $cb = $EXTICMD{$type}) {
		2946	@reply = $cb->($ns, @payload);
		2947	}
		2948
		2949	$ns->ext_reply ($reply, @reply)
		2950	if $reply;
		2951
		2952	} else {
		2953	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2954	}
		2955
		2956	cf::override;
		2957	},
1949	);	2958	);
1950		2959
1951	=item $client->async (\&cb)	2960	=item $client->async (\&cb)
1952		2961
1953	Create a new coroutine, running the specified callback. The coroutine will	2962	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	3003	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	3004	our $safe_hole = new Safe::Hole;
1996		3005
1997	$SIG{FPE} = 'IGNORE';	3006	$SIG{FPE} = 'IGNORE';
1998		3007
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3008	$safe->permit_only (Opcode::opset qw(
		3009	:base_core :base_mem :base_orig :base_math
		3010	grepstart grepwhile mapstart mapwhile
		3011	sort time
		3012	));
2000		3013
2001	# here we export the classes and methods available to script code	3014	# here we export the classes and methods available to script code
2002		3015
2003	=pod	3016	=pod
2004		3017
2005	The following fucntions and emthods are available within a safe environment:	3018	The following functions and methods are available within a safe environment:
2006		3019
2007	cf::object contr pay_amount pay_player map	3020	cf::object
		3021	contr pay_amount pay_player map x y force_find force_add destroy
		3022	insert remove name archname title slaying race decrease_ob_nr
		3023
2008	cf::object::player player	3024	cf::object::player
2009	cf::player peaceful	3025	player
2010	cf::map trigger	3026
		3027	cf::player
		3028	peaceful
		3029
		3030	cf::map
		3031	trigger
2011		3032
2012	=cut	3033	=cut
2013		3034
2014	for (	3035	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	3036	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3037	insert remove inv name archname title slaying race
		3038	decrease_ob_nr destroy)],
2016	["cf::object::player" => qw(player)],	3039	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	3040	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	3041	["cf::map" => qw(trigger)],
2019	) {	3042	) {
2020	no strict 'refs';	3043	no strict 'refs';
…		…
2091	=back	3114	=back
2092		3115
2093	=cut	3116	=cut
2094		3117
2095	#############################################################################	3118	#############################################################################
		3119	# the server's init and main functions
2096		3120
2097	=head2 EXTENSION DATABASE SUPPORT	3121	sub load_facedata($) {
		3122	my ($path) = @_;
2098		3123
2099	Crossfire maintains a very simple database for extension use. It can	3124	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	3125	# for this (global event?)
2101	excludes objects.	3126	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		3127
2103	The parameter C<$family> should best start with the name of the extension	3128	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		3129
2106	=over 4	3130	warn "loading facedata from $path\n";
2107		3131
2108	=item $hashref = cf::db_get $family	3132	my $facedata;
		3133	0 < aio_load $path, $facedata
		3134	or die "$path: $!";
2109		3135
2110	Return a hashref for use by the extension C<$family>, which can be	3136	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		3137
2114	=item $value = cf::db_get $family => $key	3138	$facedata->{version} == 2
		3139	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		3140
2116	Returns a single value from the database	3141	# patch in the exptable
2117		3142	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	3143	type => FT_RSRC,
2119		3144	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	3145	};
		3146	cf::cede_to_tick;
2169		3147
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3148	{
		3149	my $faces = $facedata->{faceinfo};
2174		3150
2175	sub db_get($;$) {	3151	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3152	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}	3153	cf::face::set_visibility $idx, $info->{visibility};
2178	: ($DB->{$_[0]} ||= { })	3154	cf::face::set_magicmap $idx, $info->{magicmap};
2179	}	3155	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3156	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2180		3157
2181	sub db_put($$;$) {	3158	cf::cede_to_tick;
2182	if (@_ >= 3) {
2183	$DB->{$_[0]}{$_[1]} = $_[2];
2184	} else {
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189
2190	cf::global->attach (
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	3159	}
2195	);
2196	}
2197		3160
2198	#############################################################################	3161	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3162	next unless $info->{smooth};
		3163	my $idx = cf::face::find $face
		3164	or next;
		3165	if (my $smooth = cf::face::find $info->{smooth}) {
		3166	cf::face::set_smooth $idx, $smooth;
		3167	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3168	} else {
		3169	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3170	}
2200		3171
2201	sub cfg_load {	3172	cf::cede_to_tick;
		3173	}
		3174	}
		3175
		3176	{
		3177	my $anims = $facedata->{animinfo};
		3178
		3179	while (my ($anim, $info) = each %$anims) {
		3180	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3181	cf::cede_to_tick;
		3182	}
		3183
		3184	cf::anim::invalidate_all; # d'oh
		3185	}
		3186
		3187	{
		3188	# TODO: for gcfclient pleasure, we should give resources
		3189	# that gcfclient doesn't grok a >10000 face index.
		3190	my $res = $facedata->{resource};
		3191
		3192	my $soundconf = delete $res->{"res/sound.conf"};
		3193
		3194	while (my ($name, $info) = each %$res) {
		3195	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3196	my $data;
		3197
		3198	if ($info->{type} & 1) {
		3199	# prepend meta info
		3200
		3201	my $meta = $enc->encode ({
		3202	name => $name,
		3203	%{ $info->{meta} || {} },
		3204	});
		3205
		3206	$data = pack "(w/a*)*", $meta, $info->{data};
		3207	} else {
		3208	$data = $info->{data};
		3209	}
		3210
		3211	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3212	cf::face::set_type $idx, $info->{type};
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216
		3217	if ($soundconf) {
		3218	$soundconf = $enc->decode (delete $soundconf->{data});
		3219
		3220	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3221	my $sound = $soundconf->{compat}[$_]
		3222	or next;
		3223
		3224	my $face = cf::face::find "sound/$sound->[1]";
		3225	cf::sound::set $sound->[0] => $face;
		3226	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3227	}
		3228
		3229	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3230	my $face = cf::face::find "sound/$v";
		3231	cf::sound::set $k => $face;
		3232	}
		3233	}
		3234	}
		3235
		3236	1
		3237	}
		3238
		3239	register_exticmd fx_want => sub {
		3240	my ($ns, $want) = @_;
		3241
		3242	while (my ($k, $v) = each %$want) {
		3243	$ns->fx_want ($k, $v);
		3244	}
		3245	};
		3246
		3247	sub reload_regions {
		3248	# HACK to clear player env face cache, we need some signal framework
		3249	# for this (global event?)
		3250	%ext::player_env::MUSIC_FACE_CACHE = ();
		3251
		3252	load_resource_file "$MAPDIR/regions"
		3253	or die "unable to load regions file\n";
		3254
		3255	for (cf::region::list) {
		3256	$_->{match} = qr/$_->{match}/
		3257	if exists $_->{match};
		3258	}
		3259	}
		3260
		3261	sub reload_facedata {
		3262	load_facedata "$DATADIR/facedata"
		3263	or die "unable to load facedata\n";
		3264	}
		3265
		3266	sub reload_archetypes {
		3267	load_resource_file "$DATADIR/archetypes"
		3268	or die "unable to load archetypes\n";
		3269	#d# NEED to laod twice to resolve forward references
		3270	# this really needs to be done in an extra post-pass
		3271	# (which needs to be synchronous, so solve it differently)
		3272	load_resource_file "$DATADIR/archetypes"
		3273	or die "unable to load archetypes\n";
		3274	}
		3275
		3276	sub reload_treasures {
		3277	load_resource_file "$DATADIR/treasures"
		3278	or die "unable to load treasurelists\n";
		3279	}
		3280
		3281	sub reload_resources {
		3282	warn "reloading resource files...\n";
		3283
		3284	reload_regions;
		3285	reload_facedata;
		3286	#reload_archetypes;#d#
		3287	reload_archetypes;
		3288	reload_treasures;
		3289
		3290	warn "finished reloading resource files\n";
		3291	}
		3292
		3293	sub init {
		3294	reload_resources;
		3295	}
		3296
		3297	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3298	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3299	or return;
2204		3300
2205	local $/;	3301	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3302	*CFG = YAML::Syck::Load <$fh>;
2207		3303
…		…
2221		3317
2222	sub main {	3318	sub main {
2223	# we must not ever block the main coroutine	3319	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3320	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3321	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2226	async { Event::one_event };	3322	(async {
		3323	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3324	EV::loop EV::LOOP_ONESHOT;
		3325	})->prio (Coro::PRIO_MAX);
2227	};	3326	};
2228		3327
2229	cfg_load;	3328	reload_config;
2230	db_load;	3329	db_init;
2231	load_extensions;	3330	load_extensions;
		3331
		3332	$TICK_WATCHER->start;
		3333	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2232	Event::loop;	3334	EV::loop;
2233	}	3335	}
2234		3336
2235	#############################################################################	3337	#############################################################################
2236	# initialisation and cleanup	3338	# initialisation and cleanup
2237		3339
2238	# install some emergency cleanup handlers	3340	# install some emergency cleanup handlers
2239	BEGIN {	3341	BEGIN {
		3342	our %SIGWATCHER = ();
2240	for my $signal (qw(INT HUP TERM)) {	3343	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3344	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2242	data => WF_AUTOCANCEL,
2243	signal => $signal,
2244	cb => sub {
2245	cf::cleanup "SIG$signal";	3345	cf::cleanup "SIG$signal";
2246	},
2247	);	3346	};
		3347	}
		3348	}
		3349
		3350	sub write_runtime {
		3351	my $runtime = "$LOCALDIR/runtime";
		3352
		3353	# first touch the runtime file to show we are still running:
		3354	# the fsync below can take a very very long time.
		3355
		3356	IO::AIO::aio_utime $runtime, undef, undef;
		3357
		3358	my $guard = cf::lock_acquire "write_runtime";
		3359
		3360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3361	or return;
		3362
		3363	my $value = $cf::RUNTIME + 90 + 10;
		3364	# 10 is the runtime save interval, for a monotonic clock
		3365	# 60 allows for the watchdog to kill the server.
		3366
		3367	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3368	and return;
		3369
		3370	# always fsync - this file is important
		3371	aio_fsync $fh
		3372	and return;
		3373
		3374	# touch it again to show we are up-to-date
		3375	aio_utime $fh, undef, undef;
		3376
		3377	close $fh
		3378	or return;
		3379
		3380	aio_rename "$runtime~", $runtime
		3381	and return;
		3382
		3383	warn "runtime file written.\n";
		3384
2248	}	3385	1
2249	}	3386	}
2250		3387
2251	sub emergency_save() {	3388	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3389	my $freeze_guard = cf::freeze_mainloop;
2253		3390
2254	warn "enter emergency perl save\n";	3391	warn "enter emergency perl save\n";
2255		3392
2256	cf::sync_job {	3393	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3394	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3395	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3396	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3397	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3398	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3399	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3400	$pl->valid or next;
		3401	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2264	$pl->save;	3402	$pl->save;
2265	}	3403	}
2266	warn "end emergency player save\n";	3404	warn "end emergency player save\n";
2267		3405
2268	warn "begin emergency map save\n";	3406	warn "begin emergency map save\n";
…		…
2270	my $map = $cf::MAP{$path} or next;	3408	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3409	$map->valid or next;
2272	$map->save;	3410	$map->save;
2273	}	3411	}
2274	warn "end emergency map save\n";	3412	warn "end emergency map save\n";
		3413
		3414	warn "begin emergency database checkpoint\n";
		3415	BDB::db_env_txn_checkpoint $DB_ENV;
		3416	warn "end emergency database checkpoint\n";
2275	};	3417	};
2276		3418
2277	warn "leave emergency perl save\n";	3419	warn "leave emergency perl save\n";
2278	}	3420	}
2279		3421
		3422	sub post_cleanup {
		3423	my ($make_core) = @_;
		3424
		3425	warn Carp::longmess "post_cleanup backtrace"
		3426	if $make_core;
		3427	}
		3428
2280	sub reload() {	3429	sub do_reload_perl() {
2281	# can/must only be called in main	3430	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3431	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3432	warn "can only reload from main coroutine";
2284	return;	3433	return;
2285	}	3434	}
2286		3435
2287	warn "reloading...";	3436	warn "reloading...";
2288		3437
2289	warn "freezing server";	3438	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3439
		3440	cf::sync_job {
		3441	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	3442	cf::emergency_save;
		3443	cf::write_runtime; # external watchdog should not bark
2292		3444
2293	warn "sync database to disk";	3445	warn "syncing database to disk";
2294	cf::db_sync;	3446	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3447
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3448	# if anything goes wrong in here, we should simply crash as we already saved
2299		3449
2300	warn "cancel all watchers";	3450	warn "flushing outstanding aio requests";
2301	for (Event::all_watchers) {	3451	for (;;) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3452	BDB::flush;
		3453	IO::AIO::flush;
		3454	Coro::cede_notself;
		3455	last unless IO::AIO::nreqs || BDB::nreqs;
		3456	warn "iterate...";
2303	}	3457	}
2304		3458
		3459	++$RELOAD;
		3460
2305	warn "cancel all extension coros";	3461	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3462	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3463	%EXT_CORO = ();
2308		3464
2309	warn "remove commands";	3465	warn "removing commands";
2310	%COMMAND = ();	3466	%COMMAND = ();
2311		3467
2312	warn "remove ext commands";	3468	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3469	%EXTCMD = ();
		3470	%EXTICMD = ();
2314		3471
2315	warn "unload/nuke all extensions";	3472	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3473	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3474	warn "... unloading $pkg";
2318		3475
2319	if (my $cb = $pkg->can ("unload")) {	3476	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3477	eval {
…		…
2325		3482
2326	warn "... nuking $pkg";	3483	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3484	Symbol::delete_package $pkg;
2328	}	3485	}
2329		3486
2330	warn "unload all perl modules loaded from $LIBDIR";	3487	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3488	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3489	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3490
2334	warn "removing <$k>";	3491	warn "... unloading $k";
2335	delete $INC{$k};	3492	delete $INC{$k};
2336		3493
2337	$k =~ s/\.pm$//;	3494	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3495	$k =~ s/\//::/g;
2339		3496
…		…
2342	}	3499	}
2343		3500
2344	Symbol::delete_package $k;	3501	Symbol::delete_package $k;
2345	}	3502	}
2346		3503
2347	warn "get rid of safe::, as good as possible";	3504	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3505	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3506	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3507
2351	warn "unload cf.pm \"a bit\"";	3508	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3509	delete $INC{"cf.pm"};
		3510	delete $INC{"cf/pod.pm"};
2353		3511
2354	# don't, removes xs symbols, too,	3512	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3513	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3514	#Symbol::delete_package __PACKAGE__;
2357		3515
		3516	warn "unload completed, starting to reload now";
		3517
2358	warn "reloading cf.pm";	3518	warn "reloading cf.pm";
2359	require cf;	3519	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3520	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3521
2362	warn "load config and database again";	3522	warn "loading config and database again";
2363	cf::cfg_load;	3523	cf::reload_config;
2364	cf::db_load;
2365		3524
2366	warn "load extensions";	3525	warn "loading extensions";
2367	cf::load_extensions;	3526	cf::load_extensions;
2368		3527
2369	warn "reattach attachments to objects/players";	3528	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3529	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3530	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3531	reattach $_ for values %MAP;
2373	};	3532	warn "reattaching attachments to players";
		3533	reattach $_ for values %PLAYER;
2374		3534
2375	if ($@) {	3535	warn "leaving sync_job";
		3536
		3537	1
		3538	} or do {
2376	warn $@;	3539	warn $@;
2377	warn "error while reloading, exiting.";	3540	warn "error while reloading, exiting.";
2378	exit 1;	3541	exit 1;
2379	}	3542	};
2380		3543
2381	warn "reloaded";	3544	warn "reloaded";
2382	};	3545	};
2383		3546
		3547	our $RELOAD_WATCHER; # used only during reload
		3548
		3549	sub reload_perl() {
		3550	# doing reload synchronously and two reloads happen back-to-back,
		3551	# coro crashes during coro_state_free->destroy here.
		3552
		3553	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3554	undef $RELOAD_WATCHER;
		3555	do_reload_perl;
		3556	};
		3557	}
		3558
2384	register_command "reload" => sub {	3559	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3560	my ($who, $arg) = @_;
2386		3561
2387	if ($who->flag (FLAG_WIZ)) {	3562	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3563	$who->message ("reloading server.");
		3564	async {
		3565	$Coro::current->{desc} = "perl_reload";
		3566	reload_perl;
		3567	};
2391	}	3568	}
2392	};	3569	};
2393		3570
2394	unshift @INC, $LIBDIR;	3571	unshift @INC, $LIBDIR;
2395		3572
2396	$TICK_WATCHER = Event->timer (	3573	my $bug_warning = 0;
2397	reentrant => 0,
2398	prio => 0,
2399	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,
2401	cb => sub {
2402	$NOW = Event::time;
2403		3574
		3575	our @WAIT_FOR_TICK;
		3576	our @WAIT_FOR_TICK_BEGIN;
		3577
		3578	sub wait_for_tick {
		3579	return unless $TICK_WATCHER->is_active;
		3580	return if $Coro::current == $Coro::main;
		3581
		3582	my $signal = new Coro::Signal;
		3583	push @WAIT_FOR_TICK, $signal;
		3584	$signal->wait;
		3585	}
		3586
		3587	sub wait_for_tick_begin {
		3588	return unless $TICK_WATCHER->is_active;
		3589	return if $Coro::current == $Coro::main;
		3590
		3591	my $signal = new Coro::Signal;
		3592	push @WAIT_FOR_TICK_BEGIN, $signal;
		3593	$signal->wait;
		3594	}
		3595
		3596	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
		3597	if ($Coro::current != $Coro::main) {
		3598	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3599	unless ++$bug_warning > 10;
		3600	return;
		3601	}
		3602
		3603	$NOW = $tick_start = EV::now;
		3604
2404	cf::server_tick; # one server iteration	3605	cf::server_tick; # one server iteration
		3606
2405	$RUNTIME += $TICK;	3607	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;	3608	$NEXT_TICK += $TICK;
2407		3609
2408	$WAIT_FOR_TICK->broadcast;	3610	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3611	$NEXT_RUNTIME_WRITE = $NOW + 10;
2410		3612	Coro::async_pool {
2411	# if we are delayed by four ticks or more, skip them all	3613	$Coro::current->{desc} = "runtime saver";
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2413
2414	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;
2416	},
2417	);
2418
2419	IO::AIO::max_poll_time $TICK * 0.2;
2420
2421	Event->io (
2422	fd => IO::AIO::poll_fileno,
2423	poll => 'r',
2424	prio => 5,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,
2431	after => 0,
2432	interval => 10,
2433	cb => sub {
2434	(Coro::unblock_sub {
2435	write_runtime	3614	write_runtime
2436	or warn "ERROR: unable to write runtime file: $!";	3615	or warn "ERROR: unable to write runtime file: $!";
2437	})->();	3616	};
2438	},	3617	}
2439	);	3618
		3619	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3620	$sig->send;
		3621	}
		3622	while (my $sig = shift @WAIT_FOR_TICK) {
		3623	$sig->send;
		3624	}
		3625
		3626	$LOAD = ($NOW - $tick_start) / $TICK;
		3627	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3628
		3629	_post_tick;
		3630	};
		3631	$TICK_WATCHER->priority (EV::MAXPRI);
		3632
		3633	{
		3634	BDB::min_parallel 8;
		3635	BDB::max_poll_time $TICK * 0.1;
		3636	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
		3637
		3638	BDB::set_sync_prepare {
		3639	my $status;
		3640	my $current = $Coro::current;
		3641	(
		3642	sub {
		3643	$status = $!;
		3644	$current->ready; undef $current;
		3645	},
		3646	sub {
		3647	Coro::schedule while defined $current;
		3648	$! = $status;
		3649	},
		3650	)
		3651	};
		3652
		3653	unless ($DB_ENV) {
		3654	$DB_ENV = BDB::db_env_create;
		3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3656	| BDB::LOG_AUTOREMOVE, 1);
		3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3659
		3660	cf::sync_job {
		3661	eval {
		3662	BDB::db_env_open
		3663	$DB_ENV,
		3664	$BDBDIR,
		3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3667	0666;
		3668
		3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3670	};
		3671
		3672	cf::cleanup "db_env_open(db): $@" if $@;
		3673	};
		3674	}
		3675
		3676	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3677	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3678	};
		3679	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3681	};
		3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3684	};
		3685	}
		3686
		3687	{
		3688	IO::AIO::min_parallel 8;
		3689
		3690	undef $Coro::AIO::WATCHER;
		3691	IO::AIO::max_poll_time $TICK * 0.1;
		3692	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
		3693	}
		3694
		3695	my $_log_backtrace;
		3696
		3697	sub _log_backtrace {
		3698	my ($msg, @addr) = @_;
		3699
		3700	$msg =~ s/\n//;
		3701
		3702	# limit the # of concurrent backtraces
		3703	if ($_log_backtrace < 2) {
		3704	++$_log_backtrace;
		3705	async {
		3706	$Coro::current->{desc} = "abt $msg";
		3707
		3708	my @bt = fork_call {
		3709	@addr = map { sprintf "%x", $_ } @addr;
		3710	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3711	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3712	or die "addr2line: $!";
		3713
		3714	my @funcs;
		3715	my @res = <$fh>;
		3716	chomp for @res;
		3717	while (@res) {
		3718	my ($func, $line) = splice @res, 0, 2, ();
		3719	push @funcs, "[$func] $line";
		3720	}
		3721
		3722	@funcs
		3723	};
		3724
		3725	LOG llevInfo, "[ABT] $msg\n";
		3726	LOG llevInfo, "[ABT] $_\n" for @bt;
		3727	--$_log_backtrace;
		3728	};
		3729	} else {
		3730	LOG llevInfo, "[ABT] $msg\n";
		3731	LOG llevInfo, "[ABT] [suppressed]\n";
		3732	}
		3733	}
		3734
		3735	# load additional modules
		3736	use cf::pod;
2440		3737
2441	END { cf::emergency_save }	3738	END { cf::emergency_save }
2442		3739
2443	1	3740	1
2444		3741

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines