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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.212 by root, Tue Feb 13 19:25:44 2007 UTC vs.
Revision 1.367 by root, Wed Sep 12 11:10:11 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
24	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		83
59	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	87	our $DB_ENV;
61		88
62	our %CFG;	89	our %CFG;
63		90
64	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	92	our $RUNTIME;
66		93
67	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	96	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		97
76	# used to convert map paths into valid unix filenames by replacing / by ∕	98	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		100
		101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		102	our $LOADAVG; # same thing, but with alpha-smoothing
		103	our $tick_start; # for load detecting purposes
		104
79	binmode STDOUT;	105	binmode STDOUT;
80	binmode STDERR;	106	binmode STDERR;
81		107
82	# read virtual server time, if available	108	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
87	}	113	}
88		114
89	mkdir cf::localdir;	115	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		117
96	our $EMERGENCY_POSITION;	118	our $EMERGENCY_POSITION;
97		119
98	sub cf::map::normalise;	120	sub cf::map::normalise;
99		121
…		…
110	=item $cf::RUNTIME	132	=item $cf::RUNTIME
111		133
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	134	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	135	every server tick.
114		136
115	=item $cf::LIBDIR	137	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		138	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		139	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		140
117	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		143	unique-items directory, player file directory, random maps directory and
		144	database environment.
119		145
120	=item $cf::NOW	146	=item $cf::NOW
121		147
122	The time of the last (current) server tick.	148	The time of the last (current) server tick.
123		149
124	=item $cf::TICK	150	=item $cf::TICK
125		151
126	The interval between server ticks, in seconds.	152	The interval between server ticks, in seconds.
		153
		154	=item $cf::LOADAVG
		155
		156	The current CPU load on the server (alpha-smoothed), as a value between 0
		157	(none) and 1 (overloaded), indicating how much time is spent on processing
		158	objects per tick. Healthy values are < 0.5.
		159
		160	=item $cf::LOAD
		161
		162	The raw value load value from the last tick.
127		163
128	=item %cf::CFG	164	=item %cf::CFG
129		165
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	167	from wherever your confdir points to.
132		168
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		170
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	171	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	172	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	173	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	174
		175	=item @cf::INVOKE_RESULTS
		176
		177	This array contains the results of the last C<invoke ()> call. When
		178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		179	that call.
139		180
140	=back	181	=back
141		182
142	=cut	183	=cut
143		184
144	BEGIN {	185	BEGIN {
145	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	187	my $msg = join "", @_;
147	utf8::encode $msg;
148		188
149	$msg .= "\n"	189	$msg .= "\n"
150	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151		193
152	LOG llevError, $msg;	194	LOG llevError, $msg;
153	};	195	};
154	}	196	}
155		197
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	202	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		203	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	204	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		205
163	# we bless all objects into (empty) derived classes to force a method lookup	206	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	207	# within the Safe compartment.
165	for my $pkg (qw(	208	for my $pkg (qw(
166	cf::global cf::attachable	209	cf::global cf::attachable
…		…
174	}	217	}
175		218
176	$Event::DIED = sub {	219	$Event::DIED = sub {
177	warn "error in event callback: @_";	220	warn "error in event callback: @_";
178	};	221	};
		222
		223	#############################################################################
179		224
180	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
181		226
182	=over 4	227	=over 4
183		228
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	248	$d
204	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
205	}	250	}
206		251
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	252	=item $ref = cf::from_json $json
210		253
211	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
212		255
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	256	=item $json = cf::to_json $ref
221		257
222	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
223		259
224	=cut	260	=cut
225		261
226	sub to_json($) {	262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	263
228	JSON::Syck::Dump $_[0]	264	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	265	sub from_json ($) { $json_coder->decode ($_[0]) }
230		266
231	=item cf::lock_wait $string	267	=item cf::lock_wait $string
232		268
233	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
234		270
…		…
237	Wait until the given lock is available and then acquires it and returns	273	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	274	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
240	returned.	276	returned.
241		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
242	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
244		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
245	=cut	288	=cut
246		289
247	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
248		292
249	sub lock_wait($) {	293	sub lock_wait($) {
250	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
251		300
252	# wait for lock, if any	301	# wait for lock, if any
253	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	304	Coro::schedule;
…		…
261		310
262	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
263	lock_wait $key;	312	lock_wait $key;
264		313
265	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
266		316
267	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
270	}	321	}
271	}	322	}
272		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
		328	}
		329
273	sub freeze_mainloop {	330	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
275		332
276	my $guard = Coro::guard {	333	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	334	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	335	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
282	$guard	337	$guard
		338	}
		339
		340	=item cf::get_slot $time[, $priority[, $name]]
		341
		342	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		343	This call blocks and returns only when you have at least C<$time> seconds
		344	of cpu time till the next tick. The slot is only valid till the next cede.
		345
		346	The optional C<$name> can be used to identify the job to run. It might be
		347	used for statistical purposes and should identify the same time-class.
		348
		349	Useful for short background jobs.
		350
		351	=cut
		352
		353	our @SLOT_QUEUE;
		354	our $SLOT_QUEUE;
		355
		356	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		357	$SLOT_QUEUE = Coro::async {
		358	my $signal = new Coro::Signal;
		359
		360	while () {
		361	next_job:
		362	my $avail = cf::till_tick;
		363	if ($avail > 0.01) {
		364	for (0 .. $#SLOT_QUEUE) {
		365	if ($SLOT_QUEUE[$_][0] < $avail) {
		366	my $job = splice @SLOT_QUEUE, $_, 1, ();
		367	$job->[2]->send;
		368	Coro::cede;
		369	goto next_job;
		370	}
		371	}
		372	}
		373
		374	if (@SLOT_QUEUE) {
		375	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		376	push @cf::WAIT_FOR_TICK, $signal;
		377	$signal->wait;
		378	} else {
		379	Coro::schedule;
		380	}
		381	}
		382	};
		383
		384	sub get_slot($;$$) {
		385	my ($time, $pri, $name) = @_;
		386
		387	$time = $TICK * .6 if $time > $TICK * .6;
		388	my $sig = new Coro::Signal;
		389
		390	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		391	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		392	$SLOT_QUEUE->ready;
		393	$sig->wait;
283	}	394	}
284		395
285	=item cf::async { BLOCK }	396	=item cf::async { BLOCK }
286		397
287	Currently the same as Coro::async_pool, meaning you cannot use	398	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		403
293	BEGIN { *async = \&Coro::async_pool }	404	BEGIN { *async = \&Coro::async_pool }
294		405
295	=item cf::sync_job { BLOCK }	406	=item cf::sync_job { BLOCK }
296		407
297	The design of crossfire+ requires that the main coro ($Coro::main) is	408	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	409	is always able to handle events or runnable, as Crossfire TRT is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	410	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		411	acceptable.
300		412
301	If it must be done, put the blocking parts into C<sync_job>. This will run	413	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	414	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	415	server will be frozen during this time, so the block should either finish
304	fast or be very important.	416	fast or be very important.
…		…
307		419
308	sub sync_job(&) {	420	sub sync_job(&) {
309	my ($job) = @_;	421	my ($job) = @_;
310		422
311	if ($Coro::current == $Coro::main) {	423	if ($Coro::current == $Coro::main) {
		424	my $time = Event::time;
		425
312	# this is the main coro, too bad, we have to block	426	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	427	# till the operation succeeds, freezing the server :/
314		428
315	# TODO: use suspend/resume instead	429	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	430	# (but this is cancel-safe)
…		…
327		441
328	while ($busy) {	442	while ($busy) {
329	Coro::cede or Event::one_event;	443	Coro::cede or Event::one_event;
330	}	444	}
331		445
		446	$time = Event::time - $time;
		447
		448	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		449	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		450
		451	$tick_start += $time; # do not account sync jobs to server load
		452
332	wantarray ? @res : $res[0]	453	wantarray ? @res : $res[0]
333	} else {	454	} else {
334	# we are in another coroutine, how wonderful, everything just works	455	# we are in another coroutine, how wonderful, everything just works
335		456
336	$job->()	457	$job->()
…		…
355	$EXT_CORO{$coro+0} = $coro;	476	$EXT_CORO{$coro+0} = $coro;
356		477
357	$coro	478	$coro
358	}	479	}
359		480
360	sub write_runtime {	481	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		482
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	483	Executes the given code block with the given arguments in a seperate
364	or return;	484	process, returning the results. Everything must be serialisable with
		485	Coro::Storable. May, of course, block. Note that the executed sub may
		486	never block itself or use any form of Event handling.
365		487
366	my $value = $cf::RUNTIME + 90 + 10;	488	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		489
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	490	sub fork_call(&@) {
371	and return;	491	my ($cb, @args) = @_;
372		492
373	# always fsync - this file is important	493	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	494	# otherwise perl prematurely frees the stuff :/
375	and return;	495	# TODO: investigate and fix (likely this will be rather laborious)
376		496
377	close $fh	497	my @res = Coro::Util::fork_eval {
378	or return;	498	reset_signals;
		499	&$cb
		500	}, @args;
379		501
380	aio_rename "$runtime~", $runtime	502	wantarray ? @res : $res[-1]
381	and return;	503	}
382		504
		505	=item $value = cf::db_get $family => $key
		506
		507	Returns a single value from the environment database.
		508
		509	=item cf::db_put $family => $key => $value
		510
		511	Stores the given C<$value> in the family. It can currently store binary
		512	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		513
		514	=item $db = cf::db_table "name"
		515
		516	Create and/or open a new database table. The string must not be "db" and must be unique
		517	within each server.
		518
		519	=cut
		520
		521	sub db_table($) {
		522	my ($name) = @_;
		523	my $db = BDB::db_create $DB_ENV;
		524
		525	eval {
		526	$db->set_flags (BDB::CHKSUM);
		527
		528	utf8::encode $name;
		529	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		530	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		531	cf::cleanup "db_open(db): $!" if $!;
		532	};
		533	cf::cleanup "db_open(db): $@" if $@;
		534
		535	$db
		536	}
		537
		538	our $DB;
		539
		540	sub db_init {
		541	cf::sync_job {
		542	$DB ||= db_table "db";
		543	};
		544	}
		545
		546	sub db_get($$) {
		547	my $key = "$_[0]/$_[1]";
		548
		549	cf::sync_job {
		550	BDB::db_get $DB, undef, $key, my $data;
		551
		552	$! ? ()
		553	: $data
383	1	554	}
		555	}
		556
		557	sub db_put($$$) {
		558	BDB::dbreq_pri 4;
		559	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		560	}
		561
		562	=item cf::cache $id => [$paths...], $processversion => $process
		563
		564	Generic caching function that returns the value of the resource $id,
		565	caching and regenerating as required.
		566
		567	This function can block.
		568
		569	=cut
		570
		571	sub cache {
		572	my ($id, $src, $processversion, $process) = @_;
		573
		574	my $meta =
		575	join "\x00",
		576	$processversion,
		577	map {
		578	aio_stat $_
		579	and Carp::croak "$_: $!";
		580
		581	($_, (stat _)[7,9])
		582	} @$src;
		583
		584	my $dbmeta = db_get cache => "$id/meta";
		585	if ($dbmeta ne $meta) {
		586	# changed, we may need to process
		587
		588	my @data;
		589	my $md5;
		590
		591	for (0 .. $#$src) {
		592	0 <= aio_load $src->[$_], $data[$_]
		593	or Carp::croak "$src->[$_]: $!";
		594	}
		595
		596	# if processing is expensive, check
		597	# checksum first
		598	if (1) {
		599	$md5 =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	cf::cede_to_tick;
		604	($src->[$_], Digest::MD5::md5_hex $data[$_])
		605	} 0.. $#$src;
		606
		607
		608	my $dbmd5 = db_get cache => "$id/md5";
		609	if ($dbmd5 eq $md5) {
		610	db_put cache => "$id/meta", $meta;
		611
		612	return db_get cache => "$id/data";
		613	}
		614	}
		615
		616	my $t1 = Time::HiRes::time;
		617	my $data = $process->(\@data);
		618	my $t2 = Time::HiRes::time;
		619
		620	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		621
		622	db_put cache => "$id/data", $data;
		623	db_put cache => "$id/md5" , $md5;
		624	db_put cache => "$id/meta", $meta;
		625
		626	return $data;
		627	}
		628
		629	db_get cache => "$id/data"
		630	}
		631
		632	=item cf::datalog type => key => value, ...
		633
		634	Log a datalog packet of the given type with the given key-value pairs.
		635
		636	=cut
		637
		638	sub datalog($@) {
		639	my ($type, %kv) = @_;
		640	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	641	}
385		642
386	=back	643	=back
387		644
388	=cut	645	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	652	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	653	to it. All such attachable objects support the following methods.
397		654
398	In the following description, CLASS can be any of C<global>, C<object>	655	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	656	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	657	Crossfire TRT).
401		658
402	=over 4	659	=over 4
403		660
404	=item $attachable->attach ($attachment, key => $value...)	661	=item $attachable->attach ($attachment, key => $value...)
405		662
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	825	$registry = $CB_TYPE[$object_type] ||= [];
569		826
570	} elsif ($type eq "subtype") {	827	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	828	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	829	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	830	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		831
575	} elsif ($type eq "package") {	832	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	833	my $pkg = shift @arg;
577		834
578	while (my ($name, $id) = each %cb_id) {	835	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	864	_attach $registry, $klass, @attach;
608	}	865	}
609		866
610	$obj->{$name} = \%arg;	867	$obj->{$name} = \%arg;
611	} else {	868	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	869	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	870	}
614		871
615	$obj->{_attachment}{$name} = undef;	872	$obj->{_attachment}{$name} = undef;
616	}	873	}
617		874
…		…
619	if (ref $_[0]) {	876	if (ref $_[0]) {
620	_object_attach @_;	877	_object_attach @_;
621	} else {	878	} else {
622	_attach shift->_attach_registry, @_;	879	_attach shift->_attach_registry, @_;
623	}	880	}
		881	_recalc_want;
624	};	882	};
625		883
626	# all those should be optimised	884	# all those should be optimised
627	sub cf::attachable::detach {	885	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	889	delete $obj->{_attachment}{$name};
632	reattach ($obj);	890	reattach ($obj);
633	} else {	891	} else {
634	Carp::croak "cannot, currently, detach class attachments";	892	Carp::croak "cannot, currently, detach class attachments";
635	}	893	}
		894	_recalc_want;
636	};	895	};
637		896
638	sub cf::attachable::attached {	897	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	898	my ($obj, $name) = @_;
640		899
…		…
655	";	914	";
656	die if $@;	915	die if $@;
657	}	916	}
658		917
659	our $override;	918	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	919	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		920
662	sub override {	921	sub override {
663	$override = 1;	922	$override = 1;
664	@invoke_results = ();	923	@INVOKE_RESULTS = (@_);
665	}	924	}
666		925
667	sub do_invoke {	926	sub do_invoke {
668	my $event = shift;	927	my $event = shift;
669	my $callbacks = shift;	928	my $callbacks = shift;
670		929
671	@invoke_results = ();	930	@INVOKE_RESULTS = ();
672		931
673	local $override;	932	local $override;
674		933
675	for (@$callbacks) {	934	for (@$callbacks) {
676	eval { &{$_->[1]} };	935	eval { &{$_->[1]} };
…		…
693		952
694	Generate an object-specific event with the given arguments.	953	Generate an object-specific event with the given arguments.
695		954
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	955	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	956	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	957	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		958
700	=back	959	=back
701		960
702	=cut	961	=cut
703		962
704	#############################################################################	963	#############################################################################
705	# object support	964	# object support
		965	#
		966
		967	sub _can_merge {
		968	my ($ob1, $ob2) = @_;
		969
		970	local $Storable::canonical = 1;
		971	my $fob1 = Storable::freeze $ob1;
		972	my $fob2 = Storable::freeze $ob2;
		973
		974	$fob1 eq $fob2
		975	}
706		976
707	sub reattach {	977	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	978	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	979	my ($obj) = @_;
710		980
…		…
755	);	1025	);
756		1026
757	sub object_freezer_save {	1027	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1028	my ($filename, $rdata, $objs) = @_;
759		1029
		1030	my $guard = cf::lock_acquire "io";
		1031
760	sync_job {	1032	sync_job {
761	if (length $$rdata) {	1033	if (length $$rdata) {
		1034	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1035	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1036	$decname, length $$rdata, scalar @$objs;
764		1037
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1038	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1039	chmod SAVE_MODE, $fh;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1040	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1041	aio_fsync $fh if $cf::USE_FSYNC;
…		…
787	}	1060	}
788	} else {	1061	} else {
789	aio_unlink $filename;	1062	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1063	aio_unlink "$filename.pst";
791	}	1064	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1065	};
		1066
		1067	undef $guard;
799	}	1068	}
800		1069
801	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
803		1072
…		…
809	sub object_thawer_load {	1078	sub object_thawer_load {
810	my ($filename) = @_;	1079	my ($filename) = @_;
811		1080
812	my ($data, $av);	1081	my ($data, $av);
813		1082
814	#d#TODO remove .map if file does not exist	1083	my $guard = cf::lock_acquire "io";
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1084
817	(aio_load $filename, $data) >= 0	1085	(aio_load $filename, $data) >= 0
818	or return;	1086	or return;
819		1087
820	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
822	or return;	1090	or return;
		1091
		1092	undef $guard;
823	$av = eval { (Storable::thaw $av)->{objs} };	1093	$av = eval { (Storable::thaw $av)->{objs} };
824	}	1094	}
825		1095
		1096	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1097	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1098	$decname, length $data, scalar @{$av || []};
		1099
828	return ($data, $av);	1100	($data, $av)
829	}	1101	}
		1102
		1103	=head2 COMMAND CALLBACKS
		1104
		1105	=over 4
		1106
		1107	=cut
830		1108
831	#############################################################################	1109	#############################################################################
832	# command handling &c	1110	# command handling &c
833		1111
834	=item cf::register_command $name => \&callback($ob,$args);	1112	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1125	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1126	}
849		1127
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1128	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1129
852	Register a callbackf ro execution when the client sends an extcmd packet.	1130	Register a callback for execution when the client sends an (synchronous)
		1131	extcmd packet. Ext commands will be processed in the order they are
		1132	received by the server, like other user commands. The first argument is
		1133	the logged-in player. Ext commands can only be processed after a player
		1134	has logged in successfully.
853		1135
854	If the callback returns something, it is sent back as if reply was being	1136	If the callback returns something, it is sent back as if reply was being
855	called.	1137	called.
856		1138
		1139	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1140
		1141	Register a callback for execution when the client sends an (asynchronous)
		1142	exticmd packet. Exti commands are processed by the server as soon as they
		1143	are received, i.e. out of order w.r.t. other commands. The first argument
		1144	is a client socket. Exti commands can be received anytime, even before
		1145	log-in.
		1146
		1147	If the callback returns something, it is sent back as if reply was being
		1148	called.
		1149
857	=cut	1150	=cut
858		1151
859	sub register_extcmd {	1152	sub register_extcmd {
860	my ($name, $cb) = @_;	1153	my ($name, $cb) = @_;
861		1154
862	$EXTCMD{$name} = $cb;	1155	$EXTCMD{$name} = $cb;
		1156	}
		1157
		1158	sub register_exticmd {
		1159	my ($name, $cb) = @_;
		1160
		1161	$EXTICMD{$name} = $cb;
863	}	1162	}
864		1163
865	cf::player->attach (	1164	cf::player->attach (
866	on_command => sub {	1165	on_command => sub {
867	my ($pl, $name, $params) = @_;	1166	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1175	cf::override;
877	},	1176	},
878	on_extcmd => sub {	1177	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1178	my ($pl, $buf) = @_;
880		1179
881	my $msg = eval { from_json $buf };	1180	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1181
883	if (ref $msg) {	1182	if (ref $msg) {
		1183	my ($type, $reply, @payload) =
		1184	"ARRAY" eq ref $msg
		1185	? @$msg
		1186	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1187
		1188	my @reply;
		1189
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1190	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1191	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1192	}
		1193
		1194	$pl->ext_reply ($reply, @reply)
		1195	if $reply;
		1196
889	} else {	1197	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1199	}
892		1200
893	cf::override;	1201	cf::override;
894	},	1202	},
895	);	1203	);
896		1204
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
932	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1210	next unless -r $path;
934	eval {	1211
935	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
936	1	1269	}
937	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
938	}	1275	};
939	}	1276	}
940		1277
941	#############################################################################	1278	#############################################################################
942		1279
		1280	=back
		1281
943	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
944		1283
945	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
946		1285
947	=cut	1286	=cut
…		…
952		1291
953	=head3 cf::player	1292	=head3 cf::player
954		1293
955	=over 4	1294	=over 4
956		1295
		1296	=item cf::player::num_playing
		1297
		1298	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1299
		1300	=cut
		1301
		1302	sub num_playing {
		1303	scalar grep
		1304	$_->ob->map
		1305	&& !$_->hidden
		1306	&& !$_->ob->flag (cf::FLAG_WIZ),
		1307	cf::player::list
		1308	}
		1309
957	=item cf::player::find $login	1310	=item cf::player::find $login
958		1311
959	Returns the given player object, loading it if necessary (might block).	1312	Returns the given player object, loading it if necessary (might block).
960		1313
961	=cut	1314	=cut
962		1315
963	sub playerdir($) {	1316	sub playerdir($) {
964	cf::localdir	1317	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1318	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1319	}
970		1320
971	sub path($) {	1321	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1322	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1323
974	(playerdir $login) . "/$login.pl"	1324	(playerdir $login) . "/playerdata"
975	}	1325	}
976		1326
977	sub find_active($) {	1327	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1328	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1329	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1342	my $login = $_[0];
993		1343
994	my $guard = cf::lock_acquire "user_find:$login";	1344	my $guard = cf::lock_acquire "user_find:$login";
995		1345
996	$cf::PLAYER{$_[0]} || do {	1346	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1347	# rename old playerfiles to new ones
		1348	#TODO: remove when no longer required
		1349	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1350	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1351	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1352	aio_unlink +(playerdir $login) . "/$login.pl";
		1353
		1354	my $f = new_from_file cf::object::thawer path $login
998	or return;	1355	or return;
		1356
		1357	$f->next;
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
1000	}	1363	}
1001	}	1364	}
1002	}	1365	}
1003		1366
…		…
1013		1376
1014	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1016		1379
1017	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1018	Coro::cede;	1381	cf::cede_to_tick;
1019	}	1382	}
1020		1383
1021	sub new($) {	1384	sub new($) {
1022	my ($login) = @_;	1385	my ($login) = @_;
1023		1386
…		…
1029	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1030		1393
1031	$self	1394	$self
1032	}	1395	}
1033		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
		1405	}
		1406
1034	=item $pl->quit_character	1407	=item $pl->quit_character
1035		1408
1036	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1038		1411
1039	=cut	1412	=cut
1040		1413
1041	sub quit_character {	1414	sub quit_character {
1042	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1043		1418
1044	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1420	$pl->password ("*"); # this should lock out the player until we nuked the dir
1046		1421
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1431	$pl->destroy;
		1432
		1433	my $prefix = qr<^~\Q$name\E/>;
		1434
		1435	# nuke player maps
		1436	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1437
1057	IO::AIO::aio_rmtree $temp;	1438	IO::AIO::aio_rmtree $temp;
		1439	}
		1440
		1441	=item $pl->kick
		1442
		1443	Kicks a player out of the game. This destroys the connection.
		1444
		1445	=cut
		1446
		1447	sub kick {
		1448	my ($pl, $kicker) = @_;
		1449
		1450	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1451	$pl->killer ("kicked");
		1452	$pl->ns->destroy;
1058	}	1453	}
1059		1454
1060	=item cf::player::list_logins	1455	=item cf::player::list_logins
1061		1456
1062	Returns am arrayref of all valid playernames in the system, can take a	1457	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1064		1459
1065	=cut	1460	=cut
1066		1461
1067	sub list_logins {	1462	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1464	or return [];
1070		1465
1071	my @logins;	1466	my @logins;
1072		1467
1073	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1077		1477
1078	utf8::decode $login;	1478	utf8::decode $login;
1079	push @logins, $login;	1479	push @logins, $login;
1080	}	1480	}
1081		1481
…		…
1108	}	1508	}
1109		1509
1110	\@paths	1510	\@paths
1111	}	1511	}
1112		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1114		1565
1115	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1116		1567
1117	=cut	1568	=cut
1118		1569
1119	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1121		1572
1122	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1574	}
1126		1575
1127	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1128		1616
1129	=back	1617	=back
1130
1131		1618
1132	=head3 cf::map	1619	=head3 cf::map
1133		1620
1134	=over 4	1621	=over 4
1135		1622
…		…
1190	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1191		1678
1192	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1193	local $self->{path};	1680	local $self->{path};
1194	local $self->{load_path};	1681	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1682
1198	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1199	}	1684	}
1200		1685
1201	sub normalise {	1686	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1249	return $self;	1734	return $self;
1250	}	1735	}
1251	}	1736	}
1252		1737
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1739	()
1255	}	1740	}
1256		1741
1257	sub init {	1742	sub init {
1258	my ($self) = @_;	1743	my ($self) = @_;
…		…
1273		1758
1274	# the original (read-only) location	1759	# the original (read-only) location
1275	sub load_path {	1760	sub load_path {
1276	my ($self) = @_;	1761	my ($self) = @_;
1277		1762
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1279	}	1764	}
1280		1765
1281	# the temporary/swap location	1766	# the temporary/swap location
1282	sub save_path {	1767	sub save_path {
1283	my ($self) = @_;	1768	my ($self) = @_;
1284		1769
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1287	}	1772	}
1288		1773
1289	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1290	sub uniq_path {	1775	sub uniq_path {
1291	my ($self) = @_;	1776	my ($self) = @_;
1292		1777
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1295	}	1780	}
1296		1781
1297	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1298	# all maps in C++...	1783	# all maps in C++...
1299	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1301		1786
1302	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1304	}	1789	}
1305		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1306	sub unlink_save {	1799	sub unlink_save {
1307	my ($self) = @_;	1800	my ($self) = @_;
1308		1801
1309	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1805	}
1318		1806
1319	sub load_header_from($) {	1807	sub load_header_from($) {
1320	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1321		1809
1322	utf8::encode $path;	1810	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1328		1819
1329	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1330		1821
1331	1	1822	1
1332	}	1823	}
…		…
1371	$self->load_header_orig	1862	$self->load_header_orig
1372	or return;	1863	or return;
1373	$self->prepare_orig;	1864	$self->prepare_orig;
1374	}	1865	}
1375		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
		1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
		1872
1376	1	1873	1
1377	}	1874	}
1378		1875
1379	sub find;	1876	sub find;
1380	sub find {	1877	sub find {
1381	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1382		1879
1383	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1384		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1386		1884
1387	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1389	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1390	or return;	1890	or return;
1391		1891
1392	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1393		1893
1394	$map->load_header	1894	$map->load_header
1395	or return;	1895	or return;
1396		1896
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1400	$map->reset;	1902	$map->reset;
1401	undef $guard;
1402	return find $path;	1903	return find $path;
1403	}	1904	}
1404		1905
1405	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1406	}	1907	}
…		…
1413	my ($self) = @_;	1914	my ($self) = @_;
1414		1915
1415	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1416		1917
1417	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1419		1922
		1923	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		1925
1422	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1423		1927
1424	$self->alloc;	1928	$self->alloc;
1425		1929
1426	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1427		1932
1428	$self->_load_objects ($self->{load_path}, 1)	1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1429	or return;	1936	or return;
1430		1937
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	1939	if delete $self->{load_original};
1433		1940
1434	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	1942	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	1945	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1439	}	1949	}
1440	}	1950	}
1441		1951
1442	Coro::cede;	1952	$f->resolve_delayed_derefs;
1443		1953
		1954	cf::cede_to_tick;
1444	# now do the right thing for maps	1955	# now do the right thing for maps
1445	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	1958	unless $self->difficulty;
1455	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1456	$self->activate;	1968	$self->activate;
		1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
		1974	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	1975	}
1458		1976
1459	$self->post_load;	1977	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	1978	}
1463		1979
1464	sub customise_for {	1980	sub customise_for {
1465	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1466		1982
1467	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	1984	if $self->per_player;
1469		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1470	$self	1989	$self
1471	}	1990	}
1472		1991
1473	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	1993	sub load_neighbours {
1475	my ($map) = @_;	1994	my ($map) = @_;
1476		1995
1477	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1478		1997
1479	for (0 .. 3) {	1998	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1481	or next;	2000	or next;
1482	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1483	or next;	2002	or next;
1484	$neigh->load;	2003	$neigh->load;
1485		2004
		2005	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2008	}
1489		2009
1490	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1492	or next;	2013	or next;
1493	$neigh->load;	2014	$neigh->load;
1494	}	2015	}
1495	}	2016	}
1496		2017
…		…
1501	}	2022	}
1502		2023
1503	sub do_load_sync {	2024	sub do_load_sync {
1504	my ($map) = @_;	2025	my ($map) = @_;
1505		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1506	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1507	}	2031	}
1508		2032
1509	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1511		2035
1512	sub find_async {	2036	sub find_async {
1513	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1514		2038
1515	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1516		2040
1517	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2043	}
1520		2044
1521	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1522	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1523	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2050	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2051	$map->load if $v;
		2052	}
1528		2053
1529	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1530	}	2055	}
1531	}	2056	}
1532	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1533	};	2058	};
1534	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2062	}
1538		2063
1539	sub save {	2064	sub save {
1540	my ($self) = @_;	2065	my ($self) = @_;
1541		2066
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2068
1544	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1545		2070
1546	return unless $self->dirty;	2071	return unless $self->dirty;
1547		2072
…		…
1570	my ($self) = @_;	2095	my ($self) = @_;
1571		2096
1572	# save first because save cedes	2097	# save first because save cedes
1573	$self->save;	2098	$self->save;
1574		2099
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2101
1577	return if $self->players;	2102	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2104	return if $self->{deny_save};
1580		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2110	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2111	}
1584		2112
1585	sub reset_at {	2113	sub reset_at {
1586	my ($self) = @_;	2114	my ($self) = @_;
1587		2115
1588	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1591		2118
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2121
…		…
1605	my ($self) = @_;	2132	my ($self) = @_;
1606		2133
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2135
1609	return if $self->players;	2136	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2137
1612	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
1613		2139
1614	$self->in_memory (cf::MAP_SWAPPED);	2140	$self->in_memory (cf::MAP_SWAPPED);
1615		2141
1616	# need to save uniques path	2142	# need to save uniques path
1617	unless ($self->{deny_save}) {	2143	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2147	if $uniq;
1622	}	2148	}
1623		2149
1624	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1625		2151
		2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2154	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2155
1630	$self->unlink_save;	2156	$self->unlink_save;
1631	$self->destroy;	2157	$self->destroy;
1632	}	2158	}
1633		2159
1634	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1635		2161
1636	sub nuke {	2162	sub nuke {
1637	my ($self) = @_;	2163	my ($self) = @_;
1638		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1639	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1640		2169
1641	$self->unlink_save;	2170	$self->unlink_save;
1642		2171
1643	bless $self, "cf::map";	2172	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2177
1649	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1650		2180
1651	$self->reset; # polite request, might not happen	2181	$self->reset; # polite request, might not happen
		2182	}
		2183
		2184	=item $maps = cf::map::tmp_maps
		2185
		2186	Returns an arrayref with all map paths of currently instantiated and saved
		2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
		2192	[
		2193	map {
		2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
		2200	}
		2201
		2202	=item $maps = cf::map::random_maps
		2203
		2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
		2206
		2207	=cut
		2208
		2209	sub random_maps() {
		2210	[
		2211	map {
		2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
1652	}	2218	}
1653		2219
1654	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1655		2221
1656	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2223	instantiated unique items. May block.
1658		2224
1659	=cut	2225	=cut
1660		2226
1661	sub unique_maps() {	2227	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1663	or return;	2229	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2230	utf8::decode $_;
1669	next if /\.pst$/;	2231	/\.map$/
1670	next unless /^$PATH_SEP/o;	2232	? normalise $_
1671		2233	: ()
1672	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2235	]
1674
1675	\@paths
1676	}	2236	}
1677		2237
1678	package cf;	2238	package cf;
1679		2239
1680	=back	2240	=back
…		…
1698	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1699	}	2259	}
1700		2260
1701	sub inv_recursive {	2261	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2262	inv_recursive_ inv $_[0]
		2263	}
		2264
		2265	=item $ref = $ob->ref
		2266
		2267	creates and returns a persistent reference to an objetc that can be stored as a string.
		2268
		2269	=item $ob = cf::object::deref ($refstring)
		2270
		2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2272	even if the object actually exists. May block.
		2273
		2274	=cut
		2275
		2276	sub deref {
		2277	my ($ref) = @_;
		2278
		2279	# temporary compatibility#TODO#remove
		2280	$ref =~ s{^<}{player/<};
		2281
		2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1703	}	2294	}
1704		2295
1705	package cf;	2296	package cf;
1706		2297
1707	=back	2298	=back
…		…
1726		2317
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2319
1729	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1731	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1734	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1735	}	2345	}
1736		2346
1737	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1738		2348
1739	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1787		2397
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2399
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1792		2402
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2404	}
1795		2405
1796	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1798		2410
1799	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1800		2412
1801	unless ($map) {	2413	unless ($map) {
1802	# restore original map position	2414	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1819		2431
1820	$map->load;	2432	$map->load;
1821	$map->load_diag;	2433	$map->load_neighbours;
1822		2434
1823	return unless $self->contr->active;	2435	return unless $self->contr->active;
1824	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1826	}	2440	}
1827		2441
1828	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2443
1832	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1836	};	2448	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2449
1842	# try to abort aborted map switching on player login :)
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1863		2453
1864	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2459
1867	$self->enter_link;	2460	$self->enter_link;
1868		2461
1869	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	# todo: use ob_blocked to check all tiles of the destination "object"
		2470	# for suitability.
		2471
		2472	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2473	}
		2474	}
		2475
1870	my $map = eval {	2476	my $map = eval {
1871	my $map = cf::map::find $path;	2477	my $map = cf::map::find $path;
		2478
		2479	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2480	$map = $map->customise_for ($self);
		2481	$map = $check->($map) if $check && $map;
		2482	} else {
		2483	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2484	}
		2485
1873	$map	2486	$map
		2487	};
		2488
		2489	if ($@) {
		2490	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2491	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2492	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2493
		2494	if ($gen == $self->{_goto_generation}) {
		2495	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2496	$self->leave_link ($map, $x, $y);
		2497	}
		2498
		2499	$done->() if $done;
1878	})->prio (1);	2500	})->prio (1);
1879	}	2501	}
1880		2502
1881	=item $player_object->enter_exit ($exit_object)	2503	=item $player_object->enter_exit ($exit_object)
1882		2504
…		…
1921		2543
1922	$rmp->{random_seed} ||= $exit->random_seed;	2544	$rmp->{random_seed} ||= $exit->random_seed;
1923		2545
1924	my $data = cf::to_json $rmp;	2546	my $data = cf::to_json $rmp;
1925	my $md5 = Digest::MD5::md5_hex $data;	2547	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2548	my $meta = "$RANDOMDIR/$md5.meta";
1927		2549
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2550	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2551	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2552	undef $fh;
1931	aio_rename "$meta~", $meta;	2553	aio_rename "$meta~", $meta;
…		…
1940		2562
1941	return unless $self->type == cf::PLAYER;	2563	return unless $self->type == cf::PLAYER;
1942		2564
1943	if ($exit->slaying eq "/!") {	2565	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job	2566	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2567	# the problem is that $exit might not survive long enough
		2568	# so it needs to be done right now, right here
1945	cf::sync_job { prepare_random_map $exit };	2569	cf::sync_job { prepare_random_map $exit };
1946	}	2570	}
1947		2571
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2572	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;	2573	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;	2574	my $sp = $exit->stats->sp;
1951		2575
1952	$self->enter_link;	2576	$self->enter_link;
		2577
		2578	# if exit is damned, update players death & WoR home-position
		2579	$self->contr->savebed ($slaying, $hp, $sp)
		2580	if $exit->flag (FLAG_DAMNED);
1953		2581
1954	(async {	2582	(async {
1955	$self->deactivate_recursive; # just to be sure	2583	$self->deactivate_recursive; # just to be sure
1956	unless (eval {	2584	unless (eval {
1957	$self->goto ($slaying, $hp, $sp);	2585	$self->goto ($slaying, $hp, $sp);
1958		2586
1959	1;	2587	1;
1960	}) {	2588	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2589	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "I'll try to bring you back to the map you were before. "	2590	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2591	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2592	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2593
1966	warn "ERROR in enter_exit: $@";	2594	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2595	$self->leave_link;
1968	}	2596	}
1969	})->prio (1);	2597	})->prio (1);
…		…
1982		2610
1983	sub cf::client::send_drawinfo {	2611	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2612	my ($self, $text, $flags) = @_;
1985		2613
1986	utf8::encode $text;	2614	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2615	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2616	}
1989		2617
		2618	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2619
		2620	Send a drawinfo or msg packet to the client, formatting the msg for the
		2621	client if neccessary. C<$type> should be a string identifying the type of
		2622	the message, with C<log> being the default. If C<$color> is negative, suppress
		2623	the message unless the client supports the msg packet.
		2624
		2625	=cut
		2626
		2627	our %CHANNEL = (
		2628	"c/identify" => {
		2629	id => "identify",
		2630	title => "Identify",
		2631	reply => undef,
		2632	tooltip => "Items recently identified",
		2633	},
		2634	"c/examine" => {
		2635	id => "examine",
		2636	title => "Examine",
		2637	reply => undef,
		2638	tooltip => "Signs and other items you examined",
		2639	},
		2640	);
		2641
		2642	sub cf::client::send_msg {
		2643	my ($self, $channel, $msg, $color, @extra) = @_;
		2644
		2645	$msg = $self->pl->expand_cfpod ($msg);
		2646
		2647	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2648
		2649	# check predefined channels, for the benefit of C
		2650	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2651
		2652	if (ref $channel) {
		2653	# send meta info to client, if not yet sent
		2654	unless (exists $self->{channel}{$channel->{id}}) {
		2655	$self->{channel}{$channel->{id}} = $channel;
		2656	$self->ext_msg (channel_info => $channel)
		2657	if $self->can_msg;
		2658	}
		2659
		2660	$channel = $channel->{id};
		2661	}
		2662
		2663	return unless @extra || length $msg;
		2664
		2665	if ($self->can_msg) {
		2666	# default colour, mask it out
		2667	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2668	if $color & cf::NDI_DEF;
		2669
		2670	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2671	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2672	} else {
		2673	if ($color >= 0) {
		2674	# replace some tags by gcfclient-compatible ones
		2675	for ($msg) {
		2676	1 while
		2677	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2678	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2679	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2680	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2681	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2682	}
		2683
		2684	$color &= cf::NDI_COLOR_MASK;
		2685
		2686	utf8::encode $msg;
		2687
		2688	if (0 && $msg =~ /\[/) {
		2689	# COMMAND/INFO
		2690	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2691	} else {
		2692	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2693	$self->send_packet ("drawinfo $color $msg")
		2694	}
		2695	}
		2696	}
		2697	}
		2698
		2699	=item $client->ext_msg ($type, @msg)
		2700
		2701	Sends an ext event to the client.
		2702
		2703	=cut
		2704
		2705	sub cf::client::ext_msg($$@) {
		2706	my ($self, $type, @msg) = @_;
		2707
		2708	if ($self->extcmd == 2) {
		2709	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2710	} elsif ($self->extcmd == 1) { # TODO: remove
		2711	push @msg, msgtype => "event_$type";
		2712	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2713	}
		2714	}
		2715
		2716	=item $client->ext_reply ($msgid, @msg)
		2717
		2718	Sends an ext reply to the client.
		2719
		2720	=cut
		2721
		2722	sub cf::client::ext_reply($$@) {
		2723	my ($self, $id, @msg) = @_;
		2724
		2725	if ($self->extcmd == 2) {
		2726	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2727	} elsif ($self->extcmd == 1) {
		2728	#TODO: version 1, remove
		2729	unshift @msg, msgtype => "reply", msgid => $id;
		2730	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2731	}
		2732	}
1990		2733
1991	=item $success = $client->query ($flags, "text", \&cb)	2734	=item $success = $client->query ($flags, "text", \&cb)
1992		2735
1993	Queues a query to the client, calling the given callback with	2736	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2737	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2738	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2739
1997	Queries can fail, so check the return code. Or don't, as queries will become	2740	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2741	become reliable at some point in the future.
1999		2742
2000	=cut	2743	=cut
2001		2744
2002	sub cf::client::query {	2745	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2746	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2754	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2755	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2756
2014	$self->send_packet ($self->{query_queue}[0][0])	2757	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2758	if @{ $self->{query_queue} } == 1;
		2759
		2760	1
2016	}	2761	}
2017		2762
2018	cf::client->attach (	2763	cf::client->attach (
		2764	on_connect => sub {
		2765	my ($ns) = @_;
		2766
		2767	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2768	},
2019	on_reply => sub {	2769	on_reply => sub {
2020	my ($ns, $msg) = @_;	2770	my ($ns, $msg) = @_;
2021		2771
2022	# this weird shuffling is so that direct followup queries	2772	# this weird shuffling is so that direct followup queries
2023	# get handled first	2773	# get handled first
…		…
2035	} else {	2785	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2786	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2787	}
2038	}	2788	}
2039	},	2789	},
		2790	on_exticmd => sub {
		2791	my ($ns, $buf) = @_;
		2792
		2793	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2794
		2795	if (ref $msg) {
		2796	my ($type, $reply, @payload) =
		2797	"ARRAY" eq ref $msg
		2798	? @$msg
		2799	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2800
		2801	my @reply;
		2802
		2803	if (my $cb = $EXTICMD{$type}) {
		2804	@reply = $cb->($ns, @payload);
		2805	}
		2806
		2807	$ns->ext_reply ($reply, @reply)
		2808	if $reply;
		2809
		2810	} else {
		2811	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2812	}
		2813
		2814	cf::override;
		2815	},
2040	);	2816	);
2041		2817
2042	=item $client->async (\&cb)	2818	=item $client->async (\&cb)
2043		2819
2044	Create a new coroutine, running the specified callback. The coroutine will	2820	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	2861	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	2862	our $safe_hole = new Safe::Hole;
2087		2863
2088	$SIG{FPE} = 'IGNORE';	2864	$SIG{FPE} = 'IGNORE';
2089		2865
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2866	$safe->permit_only (Opcode::opset qw(
		2867	:base_core :base_mem :base_orig :base_math
		2868	grepstart grepwhile mapstart mapwhile
		2869	sort time
		2870	));
2091		2871
2092	# here we export the classes and methods available to script code	2872	# here we export the classes and methods available to script code
2093		2873
2094	=pod	2874	=pod
2095		2875
2096	The following fucntions and emthods are available within a safe environment:	2876	The following functions and methods are available within a safe environment:
2097		2877
2098	cf::object contr pay_amount pay_player map	2878	cf::object
		2879	contr pay_amount pay_player map x y force_find force_add
		2880	insert remove name archname title slaying race decrease_ob_nr
		2881
2099	cf::object::player player	2882	cf::object::player
2100	cf::player peaceful	2883	player
2101	cf::map trigger	2884
		2885	cf::player
		2886	peaceful
		2887
		2888	cf::map
		2889	trigger
2102		2890
2103	=cut	2891	=cut
2104		2892
2105	for (	2893	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	2894	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2895	insert remove inv name archname title slaying race
		2896	decrease_ob_nr)],
2107	["cf::object::player" => qw(player)],	2897	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	2898	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	2899	["cf::map" => qw(trigger)],
2110	) {	2900	) {
2111	no strict 'refs';	2901	no strict 'refs';
…		…
2182	=back	2972	=back
2183		2973
2184	=cut	2974	=cut
2185		2975
2186	#############################################################################	2976	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	2977	# the server's init and main functions
2260		2978
2261	sub load_resources {	2979	sub load_facedata($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2980	my ($path) = @_;
		2981
		2982	# HACK to clear player env face cache, we need some signal framework
		2983	# for this (global event?)
		2984	%ext::player_env::MUSIC_FACE_CACHE = ();
		2985
		2986	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2987
		2988	warn "loading facedata from $path\n";
		2989
		2990	my $facedata;
		2991	0 < aio_load $path, $facedata
		2992	or die "$path: $!";
		2993
		2994	$facedata = Coro::Storable::thaw $facedata;
		2995
		2996	$facedata->{version} == 2
		2997	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2998
		2999	# patch in the exptable
		3000	$facedata->{resource}{"res/exp_table"} = {
		3001	type => FT_RSRC,
		3002	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3003	};
		3004	cf::cede_to_tick;
		3005
		3006	{
		3007	my $faces = $facedata->{faceinfo};
		3008
		3009	while (my ($face, $info) = each %$faces) {
		3010	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3011	cf::face::set_visibility $idx, $info->{visibility};
		3012	cf::face::set_magicmap $idx, $info->{magicmap};
		3013	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3014	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3015
		3016	cf::cede_to_tick;
		3017	}
		3018
		3019	while (my ($face, $info) = each %$faces) {
		3020	next unless $info->{smooth};
		3021	my $idx = cf::face::find $face
		3022	or next;
		3023	if (my $smooth = cf::face::find $info->{smooth}) {
		3024	cf::face::set_smooth $idx, $smooth;
		3025	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3026	} else {
		3027	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3028	}
		3029
		3030	cf::cede_to_tick;
		3031	}
		3032	}
		3033
		3034	{
		3035	my $anims = $facedata->{animinfo};
		3036
		3037	while (my ($anim, $info) = each %$anims) {
		3038	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3039	cf::cede_to_tick;
		3040	}
		3041
		3042	cf::anim::invalidate_all; # d'oh
		3043	}
		3044
		3045	{
		3046	# TODO: for gcfclient pleasure, we should give resources
		3047	# that gcfclient doesn't grok a >10000 face index.
		3048	my $res = $facedata->{resource};
		3049
		3050	my $soundconf = delete $res->{"res/sound.conf"};
		3051
		3052	while (my ($name, $info) = each %$res) {
		3053	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3054	my $data;
		3055
		3056	if ($info->{type} & 1) {
		3057	# prepend meta info
		3058
		3059	my $meta = $enc->encode ({
		3060	name => $name,
		3061	%{ $info->{meta} || {} },
		3062	});
		3063
		3064	$data = pack "(w/a*)*", $meta, $info->{data};
		3065	} else {
		3066	$data = $info->{data};
		3067	}
		3068
		3069	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3070	cf::face::set_type $idx, $info->{type};
		3071
		3072	cf::cede_to_tick;
		3073	}
		3074
		3075	if ($soundconf) {
		3076	$soundconf = $enc->decode (delete $soundconf->{data});
		3077
		3078	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3079	my $sound = $soundconf->{compat}[$_]
		3080	or next;
		3081
		3082	my $face = cf::face::find "sound/$sound->[1]";
		3083	cf::sound::set $sound->[0] => $face;
		3084	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3085	}
		3086
		3087	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3088	my $face = cf::face::find "sound/$v";
		3089	cf::sound::set $k => $face;
		3090	}
		3091	}
		3092	}
		3093
		3094	1
		3095	}
		3096
		3097	register_exticmd fx_want => sub {
		3098	my ($ns, $want) = @_;
		3099
		3100	while (my ($k, $v) = each %$want) {
		3101	$ns->fx_want ($k, $v);
		3102	}
		3103	};
		3104
		3105	sub reload_regions {
		3106	# HACK to clear player env face cache, we need some signal framework
		3107	# for this (global event?)
		3108	%ext::player_env::MUSIC_FACE_CACHE = ();
		3109
		3110	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3111	or die "unable to load regions file\n";
2264	}
2265		3112
2266	sub cfg_load {	3113	for (cf::region::list) {
		3114	$_->{match} = qr/$_->{match}/
		3115	if exists $_->{match};
		3116	}
		3117	}
		3118
		3119	sub reload_facedata {
		3120	load_facedata "$DATADIR/facedata"
		3121	or die "unable to load facedata\n";
		3122	}
		3123
		3124	sub reload_archetypes {
		3125	load_resource_file "$DATADIR/archetypes"
		3126	or die "unable to load archetypes\n";
		3127	#d# NEED to laod twice to resolve forward references
		3128	# this really needs to be done in an extra post-pass
		3129	# (which needs to be synchronous, so solve it differently)
		3130	load_resource_file "$DATADIR/archetypes"
		3131	or die "unable to load archetypes\n";
		3132	}
		3133
		3134	sub reload_treasures {
		3135	load_resource_file "$DATADIR/treasures"
		3136	or die "unable to load treasurelists\n";
		3137	}
		3138
		3139	sub reload_resources {
		3140	warn "reloading resource files...\n";
		3141
		3142	reload_regions;
		3143	reload_facedata;
		3144	#reload_archetypes;#d#
		3145	reload_archetypes;
		3146	reload_treasures;
		3147
		3148	warn "finished reloading resource files\n";
		3149	}
		3150
		3151	sub init {
		3152	reload_resources;
		3153	}
		3154
		3155	sub reload_config {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3156	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3157	or return;
2269		3158
2270	local $/;	3159	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3160	*CFG = YAML::Syck::Load <$fh>;
2272		3161
…		…
2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3169	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281	and die "WARNING: m(un)lockall failed: $!\n";	3170	and die "WARNING: m(un)lockall failed: $!\n";
2282	};	3171	};
2283	warn $@ if $@;	3172	warn $@ if $@;
2284	}	3173	}
2285	}
2286
2287	sub init {
2288	load_resources;
2289	}	3174	}
2290		3175
2291	sub main {	3176	sub main {
2292	# we must not ever block the main coroutine	3177	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3178	local $Coro::idle = sub {
…		…
2295	(async {	3180	(async {
2296	Event::one_event;	3181	Event::one_event;
2297	})->prio (Coro::PRIO_MAX);	3182	})->prio (Coro::PRIO_MAX);
2298	};	3183	};
2299		3184
2300	cfg_load;	3185	reload_config;
2301	db_init;	3186	db_init;
2302	load_extensions;	3187	load_extensions;
2303		3188
2304	$TICK_WATCHER->start;	3189	$TICK_WATCHER->start;
2305	Event::loop;	3190	Event::loop;
…		…
2321	},	3206	},
2322	);	3207	);
2323	}	3208	}
2324	}	3209	}
2325		3210
		3211	sub write_runtime {
		3212	my $runtime = "$LOCALDIR/runtime";
		3213
		3214	# first touch the runtime file to show we are still running:
		3215	# the fsync below can take a very very long time.
		3216
		3217	IO::AIO::aio_utime $runtime, undef, undef;
		3218
		3219	my $guard = cf::lock_acquire "write_runtime";
		3220
		3221	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3222	or return;
		3223
		3224	my $value = $cf::RUNTIME + 90 + 10;
		3225	# 10 is the runtime save interval, for a monotonic clock
		3226	# 60 allows for the watchdog to kill the server.
		3227
		3228	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3229	and return;
		3230
		3231	# always fsync - this file is important
		3232	aio_fsync $fh
		3233	and return;
		3234
		3235	# touch it again to show we are up-to-date
		3236	aio_utime $fh, undef, undef;
		3237
		3238	close $fh
		3239	or return;
		3240
		3241	aio_rename "$runtime~", $runtime
		3242	and return;
		3243
		3244	warn "runtime file written.\n";
		3245
		3246	1
		3247	}
		3248
2326	sub emergency_save() {	3249	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3250	my $freeze_guard = cf::freeze_mainloop;
2328		3251
2329	warn "enter emergency perl save\n";	3252	warn "enter emergency perl save\n";
2330		3253
…		…
2361		3284
2362	warn Carp::longmess "post_cleanup backtrace"	3285	warn Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	3286	if $make_core;
2364	}	3287	}
2365		3288
2366	sub reload() {	3289	sub do_reload_perl() {
2367	# can/must only be called in main	3290	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	3291	if ($Coro::current != $Coro::main) {
2369	warn "can only reload from main coroutine";	3292	warn "can only reload from main coroutine";
2370	return;	3293	return;
2371	}	3294	}
2372		3295
2373	warn "reloading...";	3296	warn "reloading...";
2374		3297
2375	warn "entering sync_job";	3298	warn "entering sync_job";
2376		3299
2377	sync_job {	3300	cf::sync_job {
2378	write_runtime;	3301	cf::write_runtime; # external watchdog should not bark
2379	cf::emergency_save;	3302	cf::emergency_save;
2380	write_runtime;	3303	cf::write_runtime; # external watchdog should not bark
2381		3304
2382	warn "syncing database to disk";	3305	warn "syncing database to disk";
2383	BDB::db_env_txn_checkpoint $DB_ENV;	3306	BDB::db_env_txn_checkpoint $DB_ENV;
2384		3307
2385	# if anything goes wrong in here, we should simply crash as we already saved	3308	# if anything goes wrong in here, we should simply crash as we already saved
…		…
2396	Coro::cede;	3319	Coro::cede;
2397	last unless IO::AIO::nreqs || BDB::nreqs;	3320	last unless IO::AIO::nreqs || BDB::nreqs;
2398	warn "iterate...";	3321	warn "iterate...";
2399	}	3322	}
2400		3323
		3324	++$RELOAD;
		3325
2401	warn "cancelling all extension coros";	3326	warn "cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;	3327	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();	3328	%EXT_CORO = ();
2404		3329
2405	warn "removing commands";	3330	warn "removing commands";
2406	%COMMAND = ();	3331	%COMMAND = ();
2407		3332
2408	warn "removing ext commands";	3333	warn "removing ext/exti commands";
2409	%EXTCMD = ();	3334	%EXTCMD = ();
		3335	%EXTICMD = ();
2410		3336
2411	warn "unloading/nuking all extensions";	3337	warn "unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {	3338	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";	3339	warn "... unloading $pkg";
2414		3340
…		…
2444	Symbol::delete_package "safe::$_"	3370	Symbol::delete_package "safe::$_"
2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3371	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446		3372
2447	warn "unloading cf.pm \"a bit\"";	3373	warn "unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	3374	delete $INC{"cf.pm"};
		3375	delete $INC{"cf/pod.pm"};
2449		3376
2450	# don't, removes xs symbols, too,	3377	# don't, removes xs symbols, too,
2451	# and global variables created in xs	3378	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	3379	#Symbol::delete_package __PACKAGE__;
2453		3380
…		…
2456	warn "reloading cf.pm";	3383	warn "reloading cf.pm";
2457	require cf;	3384	require cf;
2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3385	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2459		3386
2460	warn "loading config and database again";	3387	warn "loading config and database again";
2461	cf::cfg_load;	3388	cf::reload_config;
2462		3389
2463	warn "loading extensions";	3390	warn "loading extensions";
2464	cf::load_extensions;	3391	cf::load_extensions;
2465		3392
2466	warn "reattaching attachments to objects/players";	3393	warn "reattaching attachments to objects/players";
2467	_global_reattach;	3394	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	3395	warn "reattaching attachments to maps";
2469	reattach $_ for values %MAP;	3396	reattach $_ for values %MAP;
2470		3397	warn "reattaching attachments to players";
2471	warn "loading reloadable resources";	3398	reattach $_ for values %PLAYER;
2472	load_resources;
2473		3399
2474	warn "leaving sync_job";	3400	warn "leaving sync_job";
2475		3401
2476	1	3402	1
2477	} or do {	3403	} or do {
…		…
2483	warn "reloaded";	3409	warn "reloaded";
2484	};	3410	};
2485		3411
2486	our $RELOAD_WATCHER; # used only during reload	3412	our $RELOAD_WATCHER; # used only during reload
2487		3413
		3414	sub reload_perl() {
		3415	# doing reload synchronously and two reloads happen back-to-back,
		3416	# coro crashes during coro_state_free->destroy here.
		3417
		3418	$RELOAD_WATCHER ||= Event->timer (
		3419	reentrant => 0,
		3420	after => 0,
		3421	data => WF_AUTOCANCEL,
		3422	cb => sub {
		3423	do_reload_perl;
		3424	undef $RELOAD_WATCHER;
		3425	},
		3426	);
		3427	}
		3428
2488	register_command "reload" => sub {	3429	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	3430	my ($who, $arg) = @_;
2490		3431
2491	if ($who->flag (FLAG_WIZ)) {	3432	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	3433	$who->message ("reloading server.");
2493		3434	async { reload_perl };
2494	# doing reload synchronously and two reloads happen back-to-back,
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);
2506	}	3435	}
2507	};	3436	};
2508		3437
2509	unshift @INC, $LIBDIR;	3438	unshift @INC, $LIBDIR;
2510		3439
2511	my $bug_warning = 0;	3440	my $bug_warning = 0;
		3441
		3442	our @WAIT_FOR_TICK;
		3443	our @WAIT_FOR_TICK_BEGIN;
		3444
		3445	sub wait_for_tick {
		3446	return unless $TICK_WATCHER->is_active;
		3447	return if $Coro::current == $Coro::main;
		3448
		3449	my $signal = new Coro::Signal;
		3450	push @WAIT_FOR_TICK, $signal;
		3451	$signal->wait;
		3452	}
		3453
		3454	sub wait_for_tick_begin {
		3455	return unless $TICK_WATCHER->is_active;
		3456	return if $Coro::current == $Coro::main;
		3457
		3458	my $signal = new Coro::Signal;
		3459	push @WAIT_FOR_TICK_BEGIN, $signal;
		3460	$signal->wait;
		3461	}
		3462
		3463	our $stat_fh;
		3464	sysopen $stat_fh, "/tmp/cfstats", Fcntl::O_APPEND | Fcntl::O_CREAT | Fcntl::O_WRONLY, 0600;#d#
2512		3465
2513	$TICK_WATCHER = Event->timer (	3466	$TICK_WATCHER = Event->timer (
2514	reentrant => 0,	3467	reentrant => 0,
2515	parked => 1,	3468	parked => 1,
2516	prio => 0,	3469	prio => 0,
…		…
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3474	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	3475	unless ++$bug_warning > 10;
2523	return;	3476	return;
2524	}	3477	}
2525		3478
		3479	my @pl = cf::player::list; my $stats = sprintf "%.2f %d %d %d", $RUNTIME, (scalar @pl), cf::object::actives_size, cf::object::objects_size; #d#
		3480
2526	$NOW = Event::time;	3481	$NOW = $tick_start = Event::time;
2527		3482
2528	cf::server_tick; # one server iteration	3483	cf::server_tick; # one server iteration
		3484
2529	$RUNTIME += $TICK;	3485	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;	3486	$NEXT_TICK += $TICK;
2531		3487
2532	$WAIT_FOR_TICK->broadcast;	3488	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3489	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3490	Coro::async_pool {
		3491	write_runtime
		3492	or warn "ERROR: unable to write runtime file: $!";
		3493	};
		3494	}
2534		3495
2535	# my $AFTER = Event::time;	3496	# my $AFTER = Event::time;
2536	# warn $AFTER - $NOW;#d#	3497	# warn $AFTER - $NOW;#d#
2537		3498
		3499	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3500	$sig->send;
		3501	}
		3502	while (my $sig = shift @WAIT_FOR_TICK) {
		3503	$sig->send;
		3504	}
		3505
		3506	$NOW = Event::time;
		3507
2538	# if we are delayed by four ticks or more, skip them all	3508	# if we are delayed by four ticks or more, skip them all
2539	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3509	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2540		3510
2541	$TICK_WATCHER->at ($NEXT_TICK);	3511	$TICK_WATCHER->at ($NEXT_TICK);
2542	$TICK_WATCHER->start;	3512	$TICK_WATCHER->start;
		3513
		3514	$LOAD = ($NOW - $tick_start) / $TICK;
		3515	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3516
		3517	_post_tick;
		3518
		3519	# gather some statistics#d#
		3520	$stats .= sprintf " %d\n", 10000 * ($NOW - $tick_start);#d#
		3521	IO::AIO::aio_write $stat_fh, undef, undef, $stats, 0;#d#
2543	},	3522	},
2544	);	3523	);
2545		3524
2546	{	3525	{
		3526	BDB::min_parallel 8;
2547	BDB::max_poll_time $TICK * 0.1;	3527	BDB::max_poll_time $TICK * 0.1;
2548	$BDB_POLL_WATCHER = Event->io (	3528	$BDB_POLL_WATCHER = Event->io (
2549	reentrant => 0,	3529	reentrant => 0,
2550	fd => BDB::poll_fileno,	3530	fd => BDB::poll_fileno,
2551	poll => 'r',	3531	poll => 'r',
2552	prio => 0,	3532	prio => 0,
2553	data => WF_AUTOCANCEL,	3533	data => WF_AUTOCANCEL,
2554	cb => \&BDB::poll_cb,	3534	cb => \&BDB::poll_cb,
2555	);	3535	);
2556	BDB::min_parallel 8;
2557		3536
2558	BDB::set_sync_prepare {	3537	BDB::set_sync_prepare {
2559	my $status;	3538	my $status;
2560	my $current = $Coro::current;	3539	my $current = $Coro::current;
2561	(	3540	(
…		…
2575		3554
2576	cf::sync_job {	3555	cf::sync_job {
2577	eval {	3556	eval {
2578	BDB::db_env_open	3557	BDB::db_env_open
2579	$DB_ENV,	3558	$DB_ENV,
2580	$BDB_ENV_DIR,	3559	$BDBDIR,
2581	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3560	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2582	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3561	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2583	0666;	3562	0666;
2584		3563
2585	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3564	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2586		3565
2587	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3566	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3567	| BDB::LOG_AUTOREMOVE, 1);
2588	$DB_ENV->set_lk_detect;	3568	$DB_ENV->set_lk_detect;
2589	};	3569	};
2590		3570
2591	cf::cleanup "db_env_open(db): $@" if $@;	3571	cf::cleanup "db_env_open(db): $@" if $@;
2592	};	3572	};
2593	}	3573	}
		3574
		3575	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3576	after => 11,
		3577	interval => 60,
		3578	hard => 1,
		3579	prio => 0,
		3580	data => WF_AUTOCANCEL,
		3581	cb => sub {
		3582	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3583	},
		3584	);
		3585	$BDB_TRICKLE_WATCHER = Event->timer (
		3586	after => 5,
		3587	interval => 10,
		3588	hard => 1,
		3589	prio => 0,
		3590	data => WF_AUTOCANCEL,
		3591	cb => sub {
		3592	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3593	},
		3594	);
2594	}	3595	}
2595		3596
2596	{	3597	{
2597	IO::AIO::min_parallel 8;	3598	IO::AIO::min_parallel 8;
2598		3599
2599	undef $Coro::AIO::WATCHER;	3600	undef $Coro::AIO::WATCHER;
2600	IO::AIO::max_poll_time $TICK * 0.1;	3601	IO::AIO::max_poll_time $TICK * 0.1;
2601	$AIO_POLL_WATCHER = Event->io (	3602	$AIO_POLL_WATCHER = Event->io (
2602	reentrant => 0,	3603	reentrant => 0,
		3604	data => WF_AUTOCANCEL,
2603	fd => IO::AIO::poll_fileno,	3605	fd => IO::AIO::poll_fileno,
2604	poll => 'r',	3606	poll => 'r',
2605	prio => 6,	3607	prio => 6,
2606	data => WF_AUTOCANCEL,
2607	cb => \&IO::AIO::poll_cb,	3608	cb => \&IO::AIO::poll_cb,
2608	);	3609	);
2609	}	3610	}
2610		3611
2611	$WRITE_RUNTIME_WATCHER = Event->timer (	3612	my $_log_backtrace;
2612	reentrant => 0,
2613	data => WF_AUTOCANCEL,
2614	parked => 1,
2615	after => 1,
2616	interval => 10,
2617	prio => 6, # keep it lowest so it acts like a watchdog
2618	cb => sub {
2619	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2620		3613
2621	Coro::async_pool {	3614	sub _log_backtrace {
2622	write_runtime	3615	my ($msg, @addr) = @_;
2623	or warn "ERROR: unable to write runtime file: $!";	3616
		3617	$msg =~ s/\n//;
		3618
		3619	# limit the # of concurrent backtraces
		3620	if ($_log_backtrace < 2) {
		3621	++$_log_backtrace;
		3622	async {
		3623	my @bt = fork_call {
		3624	@addr = map { sprintf "%x", $_ } @addr;
		3625	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3626	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3627	or die "addr2line: $!";
		3628
		3629	my @funcs;
		3630	my @res = <$fh>;
		3631	chomp for @res;
		3632	while (@res) {
		3633	my ($func, $line) = splice @res, 0, 2, ();
		3634	push @funcs, "[$func] $line";
		3635	}
		3636
		3637	@funcs
		3638	};
		3639
		3640	LOG llevInfo, "[ABT] $msg\n";
		3641	LOG llevInfo, "[ABT] $_\n" for @bt;
		3642	--$_log_backtrace;
2624	};	3643	};
		3644	} else {
		3645	LOG llevInfo, "[ABT] $msg\n";
		3646	LOG llevInfo, "[ABT] [suppressed]\n";
2625	},	3647	}
2626	);	3648	}
		3649
		3650	# load additional modules
		3651	use cf::pod;
2627		3652
2628	END { cf::emergency_save }	3653	END { cf::emergency_save }
2629		3654
2630	1	3655	1
2631		3656

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