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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.197 by root, Sun Jan 28 00:20:02 2007 UTC vs.
Revision 1.356 by root, Tue Sep 4 05:43:21 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	133	every server tick.
102		134
103	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
115		161
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
139		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
140	LOG llevError, $msg;	193	LOG llevError, $msg;
141	};	194	};
142	}	195	}
143		196
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		204
151	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	206	# within the Safe compartment.
153	for my $pkg (qw(	207	for my $pkg (qw(
154	cf::global cf::attachable	208	cf::global cf::attachable
…		…
162	}	216	}
163		217
164	$Event::DIED = sub {	218	$Event::DIED = sub {
165	warn "error in event callback: @_";	219	warn "error in event callback: @_";
166	};	220	};
		221
		222	#############################################################################
167		223
168	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
169		225
170	=over 4	226	=over 4
171		227
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	247	$d
192	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
193	}	249	}
194		250
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
198		252
199	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
200		254
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
209		256
210	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
211		258
212	=cut	259	=cut
213		260
214	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
216	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
218		265
219	=item cf::lock_wait $string	266	=item cf::lock_wait $string
220		267
221	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
222		269
…		…
225	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
228	returned.	275	returned.
229		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
230	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
232		286
233	=cut	287	=cut
234		288
235	our %LOCK;	289	our %LOCK;
236		290
…		…
256	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
258	}	312	}
259	}	313	}
260		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
261	sub freeze_mainloop {	321	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
263		323
264	my $guard = Coro::guard {	324	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	325	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	326	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
270	$guard	328	$guard
		329	}
		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
271	}	385	}
272		386
273	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
274		388
275	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		394
281	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
282		396
283	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
284		398
285	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
288		403
289	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
292	fast or be very important.	407	fast or be very important.
…		…
295		410
296	sub sync_job(&) {	411	sub sync_job(&) {
297	my ($job) = @_;	412	my ($job) = @_;
298		413
299	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
300	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
302		419
303	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
315		432
316	while ($busy) {	433	while ($busy) {
317	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
318	}	435	}
319		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
320	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
321	} else {	445	} else {
322	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
323		447
324	$job->()	448	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
344		468
345	$coro	469	$coro
346	}	470	}
347		471
348	sub write_runtime {	472	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		473
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
352	or return;	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
353		478
354	my $value = $cf::RUNTIME + 90 + 10;	479	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		480
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	sub fork_call(&@) {
359	and return;	482	my ($cb, @args) = @_;
360		483
361	aio_fsync $fh	484	# we seemingly have to make a local copy of the whole thing,
362	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (likely this will be rather laborious)
363		487
364	close $fh	488	my @res = Coro::Util::fork_eval {
365	or return;	489	reset_signals;
		490	&$cb
		491	}, @args;
366		492
367	aio_rename "$runtime~", $runtime	493	wantarray ? @res : $res[-1]
368	and return;	494	}
369		495
		496	=item $value = cf::db_get $family => $key
		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
370	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
371	}	621	}
372		622
373	=back	623	=back
374		624
375	=cut	625	=cut
…		…
382	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
383	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
384		634
385	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
386	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
387	crossfire+).	637	Crossfire TRT).
388		638
389	=over 4	639	=over 4
390		640
391	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
392		642
…		…
555	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
556		806
557	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
558	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
559	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
560	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
561		811
562	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
563	my $pkg = shift @arg;	813	my $pkg = shift @arg;
564		814
565	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
594	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
595	}	845	}
596		846
597	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
598	} else {	848	} else {
599	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
600	}	850	}
601		851
602	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
603	}	853	}
604		854
…		…
606	if (ref $_[0]) {	856	if (ref $_[0]) {
607	_object_attach @_;	857	_object_attach @_;
608	} else {	858	} else {
609	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
610	}	860	}
		861	_recalc_want;
611	};	862	};
612		863
613	# all those should be optimised	864	# all those should be optimised
614	sub cf::attachable::detach {	865	sub cf::attachable::detach {
615	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
618	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
619	reattach ($obj);	870	reattach ($obj);
620	} else {	871	} else {
621	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
622	}	873	}
		874	_recalc_want;
623	};	875	};
624		876
625	sub cf::attachable::attached {	877	sub cf::attachable::attached {
626	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
627		879
…		…
642	";	894	";
643	die if $@;	895	die if $@;
644	}	896	}
645		897
646	our $override;	898	our $override;
647	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
648		900
649	sub override {	901	sub override {
650	$override = 1;	902	$override = 1;
651	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
652	}	904	}
653		905
654	sub do_invoke {	906	sub do_invoke {
655	my $event = shift;	907	my $event = shift;
656	my $callbacks = shift;	908	my $callbacks = shift;
657		909
658	@invoke_results = ();	910	@INVOKE_RESULTS = ();
659		911
660	local $override;	912	local $override;
661		913
662	for (@$callbacks) {	914	for (@$callbacks) {
663	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
680		932
681	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
682		934
683	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
684	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
685	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
686		938
687	=back	939	=back
688		940
689	=cut	941	=cut
690		942
691	#############################################################################	943	#############################################################################
692	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
693		956
694	sub reattach {	957	sub reattach {
695	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
696	my ($obj) = @_;	959	my ($obj) = @_;
697		960
…		…
742	);	1005	);
743		1006
744	sub object_freezer_save {	1007	sub object_freezer_save {
745	my ($filename, $rdata, $objs) = @_;	1008	my ($filename, $rdata, $objs) = @_;
746		1009
		1010	my $guard = cf::lock_acquire "io";
		1011
747	sync_job {	1012	sync_job {
748	if (length $$rdata) {	1013	if (length $$rdata) {
749	warn sprintf "saving %s (%d,%d)\n",	1014	warn sprintf "saving %s (%d,%d)\n",
750	$filename, length $$rdata, scalar @$objs;	1015	$filename, length $$rdata, scalar @$objs;
751		1016
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1017	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1018	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1019	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1020	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1021	close $fh;
757		1022
758	if (@$objs) {	1023	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1024	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1025	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1026	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1027	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1029	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1030	aio_rename "$filename.pst~", "$filename.pst";
766	}	1031	}
767	} else {	1032	} else {
768	aio_unlink "$filename.pst";	1033	aio_unlink "$filename.pst";
…		…
774	}	1039	}
775	} else {	1040	} else {
776	aio_unlink $filename;	1041	aio_unlink $filename;
777	aio_unlink "$filename.pst";	1042	aio_unlink "$filename.pst";
778	}	1043	}
779	}	1044	};
		1045
		1046	undef $guard;
780	}	1047	}
781		1048
782	sub object_freezer_as_string {	1049	sub object_freezer_as_string {
783	my ($rdata, $objs) = @_;	1050	my ($rdata, $objs) = @_;
784		1051
…		…
789		1056
790	sub object_thawer_load {	1057	sub object_thawer_load {
791	my ($filename) = @_;	1058	my ($filename) = @_;
792		1059
793	my ($data, $av);	1060	my ($data, $av);
		1061
		1062	my $guard = cf::lock_acquire "io";
794		1063
795	(aio_load $filename, $data) >= 0	1064	(aio_load $filename, $data) >= 0
796	or return;	1065	or return;
797		1066
798	unless (aio_stat "$filename.pst") {	1067	unless (aio_stat "$filename.pst") {
799	(aio_load "$filename.pst", $av) >= 0	1068	(aio_load "$filename.pst", $av) >= 0
800	or return;	1069	or return;
		1070
		1071	undef $guard;
801	$av = eval { (Storable::thaw $av)->{objs} };	1072	$av = eval { (Storable::thaw $av)->{objs} };
802	}	1073	}
803		1074
804	warn sprintf "loading %s (%d)\n",	1075	warn sprintf "loading %s (%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1076	$filename, length $data, scalar @{$av || []};
		1077
806	return ($data, $av);	1078	($data, $av)
807	}	1079	}
		1080
		1081	=head2 COMMAND CALLBACKS
		1082
		1083	=over 4
		1084
		1085	=cut
808		1086
809	#############################################################################	1087	#############################################################################
810	# command handling &c	1088	# command handling &c
811		1089
812	=item cf::register_command $name => \&callback($ob,$args);	1090	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1103	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1104	}
827		1105
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1106	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1107
830	Register a callbackf ro execution when the client sends an extcmd packet.	1108	Register a callback for execution when the client sends an (synchronous)
		1109	extcmd packet. Ext commands will be processed in the order they are
		1110	received by the server, like other user commands. The first argument is
		1111	the logged-in player. Ext commands can only be processed after a player
		1112	has logged in successfully.
831		1113
832	If the callback returns something, it is sent back as if reply was being	1114	If the callback returns something, it is sent back as if reply was being
833	called.	1115	called.
834		1116
		1117	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1118
		1119	Register a callback for execution when the client sends an (asynchronous)
		1120	exticmd packet. Exti commands are processed by the server as soon as they
		1121	are received, i.e. out of order w.r.t. other commands. The first argument
		1122	is a client socket. Exti commands can be received anytime, even before
		1123	log-in.
		1124
		1125	If the callback returns something, it is sent back as if reply was being
		1126	called.
		1127
835	=cut	1128	=cut
836		1129
837	sub register_extcmd {	1130	sub register_extcmd {
838	my ($name, $cb) = @_;	1131	my ($name, $cb) = @_;
839		1132
840	$EXTCMD{$name} = $cb;	1133	$EXTCMD{$name} = $cb;
		1134	}
		1135
		1136	sub register_exticmd {
		1137	my ($name, $cb) = @_;
		1138
		1139	$EXTICMD{$name} = $cb;
841	}	1140	}
842		1141
843	cf::player->attach (	1142	cf::player->attach (
844	on_command => sub {	1143	on_command => sub {
845	my ($pl, $name, $params) = @_;	1144	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1153	cf::override;
855	},	1154	},
856	on_extcmd => sub {	1155	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1156	my ($pl, $buf) = @_;
858		1157
859	my $msg = eval { from_json $buf };	1158	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1159
861	if (ref $msg) {	1160	if (ref $msg) {
		1161	my ($type, $reply, @payload) =
		1162	"ARRAY" eq ref $msg
		1163	? @$msg
		1164	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1165
		1166	my @reply;
		1167
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1168	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1169	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1170	}
		1171
		1172	$pl->ext_reply ($reply, @reply)
		1173	if $reply;
		1174
867	} else {	1175	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1176	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1177	}
870		1178
871	cf::override;	1179	cf::override;
872	},	1180	},
873	);	1181	);
874		1182
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1183	sub load_extensions {
		1184	cf::sync_job {
		1185	my %todo;
		1186
910	for my $ext (<$LIBDIR/*.ext>) {	1187	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1188	next unless -r $path;
912	eval {	1189
913	load_extension $ext;	1190	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1191	my $base = $1;
		1192	my $pkg = $1;
		1193	$pkg =~ s/[^[:word:]]/_/g;
		1194	$pkg = "ext::$pkg";
		1195
		1196	open my $fh, "<:utf8", $path
		1197	or die "$path: $!";
		1198
		1199	my $source = do { local $/; <$fh> };
		1200
		1201	my %ext = (
		1202	path => $path,
		1203	base => $base,
		1204	pkg => $pkg,
		1205	);
		1206
		1207	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1208	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1209
		1210	$ext{source} =
		1211	"package $pkg; use strict; use utf8;\n"
		1212	. "#line 1 \"$path\"\n{\n"
		1213	. $source
		1214	. "\n};\n1";
		1215
		1216	$todo{$base} = \%ext;
		1217	}
		1218
		1219	my %done;
		1220	while (%todo) {
		1221	my $progress;
		1222
		1223	while (my ($k, $v) = each %todo) {
		1224	for (split /,\s*/, $v->{meta}{depends}) {
		1225	goto skip
		1226	unless exists $done{$_};
		1227	}
		1228
		1229	warn "... loading '$k' into '$v->{pkg}'\n";
		1230
		1231	unless (eval $v->{source}) {
		1232	my $msg = $@ ? "$v->{path}: $@\n"
		1233	: "$v->{base}: extension inactive.\n";
		1234
		1235	if (exists $v->{meta}{mandatory}) {
		1236	warn $msg;
		1237	warn "mandatory extension failed to load, exiting.\n";
		1238	exit 1;
		1239	}
		1240
		1241	warn $msg;
		1242	}
		1243
		1244	$done{$k} = delete $todo{$k};
		1245	push @EXTS, $v->{pkg};
		1246	$progress = 1;
914	1	1247	}
915	} or warn "$ext not loaded: $@";	1248
		1249	skip:
		1250	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1251	unless $progress;
		1252	}
916	}	1253	};
917	}	1254	}
918		1255
919	#############################################################################	1256	#############################################################################
920		1257
		1258	=back
		1259
921	=head2 CORE EXTENSIONS	1260	=head2 CORE EXTENSIONS
922		1261
923	Functions and methods that extend core crossfire objects.	1262	Functions and methods that extend core crossfire objects.
924		1263
925	=cut	1264	=cut
…		…
937	Returns the given player object, loading it if necessary (might block).	1276	Returns the given player object, loading it if necessary (might block).
938		1277
939	=cut	1278	=cut
940		1279
941	sub playerdir($) {	1280	sub playerdir($) {
942	cf::localdir	1281	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1282	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1283	}
948		1284
949	sub path($) {	1285	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1286	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1287
952	(playerdir $login) . "/$login.pl"	1288	(playerdir $login) . "/playerdata"
953	}	1289	}
954		1290
955	sub find_active($) {	1291	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1292	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1293	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1306	my $login = $_[0];
971		1307
972	my $guard = cf::lock_acquire "user_find:$login";	1308	my $guard = cf::lock_acquire "user_find:$login";
973		1309
974	$cf::PLAYER{$_[0]} || do {	1310	$cf::PLAYER{$_[0]} || do {
975	my $pl = load_pl path $login	1311	# rename old playerfiles to new ones
		1312	#TODO: remove when no longer required
		1313	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1314	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1315	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1316	aio_unlink +(playerdir $login) . "/$login.pl";
		1317
		1318	my $f = new_from_file cf::object::thawer path $login
976	or return;	1319	or return;
		1320
		1321	$f->next;
		1322	my $pl = cf::player::load_pl $f
		1323	or return;
		1324	local $cf::PLAYER_LOADING{$login} = $pl;
		1325	$f->resolve_delayed_derefs;
977	$cf::PLAYER{$login} = $pl	1326	$cf::PLAYER{$login} = $pl
978	}	1327	}
979	}	1328	}
980	}	1329	}
981		1330
…		…
991		1340
992	aio_mkdir playerdir $pl, 0770;	1341	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1342	$pl->{last_save} = $cf::RUNTIME;
994		1343
995	$pl->save_pl ($path);	1344	$pl->save_pl ($path);
996	Coro::cede;	1345	cf::cede_to_tick;
997	}	1346	}
998		1347
999	sub new($) {	1348	sub new($) {
1000	my ($login) = @_;	1349	my ($login) = @_;
1001		1350
…		…
1007	$cf::PLAYER{$login} = $self;	1356	$cf::PLAYER{$login} = $self;
1008		1357
1009	$self	1358	$self
1010	}	1359	}
1011		1360
		1361	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1362
		1363	=cut
		1364
		1365	sub send_msg {
		1366	my $ns = shift->ns
		1367	or return;
		1368	$ns->send_msg (@_);
		1369	}
		1370
1012	=item $pl->quit_character	1371	=item $pl->quit_character
1013		1372
1014	Nukes the player without looking back. If logged in, the connection will	1373	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1374	be destroyed. May block for a long time.
1016		1375
1017	=cut	1376	=cut
1018		1377
1019	sub quit_character {	1378	sub quit_character {
1020	my ($pl) = @_;	1379	my ($pl) = @_;
		1380
		1381	my $name = $pl->ob->name;
1021		1382
1022	$pl->{deny_save} = 1;	1383	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1384	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1385
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1391	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1392	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1393	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1394	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1395	$pl->destroy;
		1396
		1397	my $prefix = qr<^~\Q$name\E/>;
		1398
		1399	# nuke player maps
		1400	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1401
1035	IO::AIO::aio_rmtree $temp;	1402	IO::AIO::aio_rmtree $temp;
		1403	}
		1404
		1405	=item $pl->kick
		1406
		1407	Kicks a player out of the game. This destroys the connection.
		1408
		1409	=cut
		1410
		1411	sub kick {
		1412	my ($pl, $kicker) = @_;
		1413
		1414	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1415	$pl->killer ("kicked");
		1416	$pl->ns->destroy;
1036	}	1417	}
1037		1418
1038	=item cf::player::list_logins	1419	=item cf::player::list_logins
1039		1420
1040	Returns am arrayref of all valid playernames in the system, can take a	1421	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1422	while and may block, so not sync_job-capable, ever.
1042		1423
1043	=cut	1424	=cut
1044		1425
1045	sub list_logins {	1426	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1427	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1428	or return [];
1048		1429
1049	my @logins;	1430	my @logins;
1050		1431
1051	for my $login (@$dirs) {	1432	for my $login (@$dirs) {
		1433	my $path = path $login;
		1434
		1435	# a .pst is a dead give-away for a valid player
		1436	unless (-e "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1437	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1438	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1439	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1440	}
1055		1441
1056	utf8::decode $login;	1442	utf8::decode $login;
1057	push @logins, $login;	1443	push @logins, $login;
1058	}	1444	}
1059		1445
…		…
1067		1453
1068	=cut	1454	=cut
1069		1455
1070	sub maps($) {	1456	sub maps($) {
1071	my ($pl) = @_;	1457	my ($pl) = @_;
		1458
		1459	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1460
1073	my $files = aio_readdir playerdir $pl	1461	my $files = aio_readdir playerdir $pl
1074	or return;	1462	or return;
1075		1463
1076	my @paths;	1464	my @paths;
…		…
1078	for (@$files) {	1466	for (@$files) {
1079	utf8::decode $_;	1467	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1468	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1469	next unless /^$PATH_SEP/o;
1082		1470
1083	s/\.map$//;	1471	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1472	}
1086		1473
1087	\@paths	1474	\@paths
1088	}	1475	}
1089		1476
		1477	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1478
		1479	Expand crossfire pod fragments into protocol xml.
		1480
		1481	=cut
		1482
		1483	sub expand_cfpod {
		1484	((my $self), (local $_)) = @_;
		1485
		1486	# escape & and <
		1487	s/&/&amp;/g;
		1488	s/(?<![BIUGHT])</&lt;/g;
		1489
		1490	# this is buggy, it needs to properly take care of nested <'s
		1491
		1492	1 while
		1493	# replace B<>, I<>, U<> etc.
		1494	s/B<([^\>]*)>/<b>$1<\/b>/
		1495	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1496	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1497	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1091		1529
1092	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1093		1531
1094	=cut	1532	=cut
1095		1533
1096	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1098		1536
1099	$msg{msgid} = $id;	1537	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1538	}
1103		1539
1104	package cf;	1540	=item $player->ext_msg ($type, @msg)
		1541
		1542	Sends an ext event to the client.
		1543
		1544	=cut
		1545
		1546	sub ext_msg($$@) {
		1547	my ($self, $type, @msg) = @_;
		1548
		1549	$self->ns->ext_msg ($type, @msg);
		1550	}
		1551
		1552	=head3 cf::region
		1553
		1554	=over 4
		1555
		1556	=cut
		1557
		1558	package cf::region;
		1559
		1560	=item cf::region::find_by_path $path
		1561
		1562	Tries to decuce the likely region for a map knowing only its path.
		1563
		1564	=cut
		1565
		1566	sub find_by_path($) {
		1567	my ($path) = @_;
		1568
		1569	my ($match, $specificity);
		1570
		1571	for my $region (list) {
		1572	if ($region->{match} && $path =~ $region->{match}) {
		1573	($match, $specificity) = ($region, $region->specificity)
		1574	if $region->specificity > $specificity;
		1575	}
		1576	}
		1577
		1578	$match
		1579	}
1105		1580
1106	=back	1581	=back
1107
1108		1582
1109	=head3 cf::map	1583	=head3 cf::map
1110		1584
1111	=over 4	1585	=over 4
1112		1586
…		…
1167	my ($self, $merge) = @_;	1641	my ($self, $merge) = @_;
1168		1642
1169	# we have to keep some variables in memory intact	1643	# we have to keep some variables in memory intact
1170	local $self->{path};	1644	local $self->{path};
1171	local $self->{load_path};	1645	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1646
1175	$self->SUPER::thawer_merge ($merge);	1647	$self->SUPER::thawer_merge ($merge);
1176	}	1648	}
1177		1649
1178	sub normalise {	1650	sub normalise {
1179	my ($path, $base) = @_;	1651	my ($path, $base) = @_;
1180		1652
1181	$path = "$path"; # make sure its a string	1653	$path = "$path"; # make sure its a string
		1654
		1655	$path =~ s/\.map$//;
1182		1656
1183	# map plan:	1657	# map plan:
1184	#	1658	#
1185	# /! non-realised random map exit (special hack!)	1659	# /! non-realised random map exit (special hack!)
1186	# {... are special paths that are not being touched	1660	# {... are special paths that are not being touched
…		…
1223	$self->init; # pass $1 etc.	1697	$self->init; # pass $1 etc.
1224	return $self;	1698	return $self;
1225	}	1699	}
1226	}	1700	}
1227		1701
1228	Carp::carp "unable to resolve path '$path' (base '$base').";	1702	Carp::cluck "unable to resolve path '$path' (base '$base').";
1229	()	1703	()
1230	}	1704	}
1231		1705
1232	sub init {	1706	sub init {
1233	my ($self) = @_;	1707	my ($self) = @_;
…		…
1248		1722
1249	# the original (read-only) location	1723	# the original (read-only) location
1250	sub load_path {	1724	sub load_path {
1251	my ($self) = @_;	1725	my ($self) = @_;
1252		1726
1253	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1727	"$MAPDIR/$self->{path}.map"
1254	}	1728	}
1255		1729
1256	# the temporary/swap location	1730	# the temporary/swap location
1257	sub save_path {	1731	sub save_path {
1258	my ($self) = @_;	1732	my ($self) = @_;
1259		1733
1260	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1734	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1261	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1735	"$TMPDIR/$path.map"
1262	}	1736	}
1263		1737
1264	# the unique path, undef == no special unique path	1738	# the unique path, undef == no special unique path
1265	sub uniq_path {	1739	sub uniq_path {
1266	my ($self) = @_;	1740	my ($self) = @_;
1267		1741
1268	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1269	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1743	"$UNIQUEDIR/$path"
1270	}	1744	}
1271		1745
1272	# and all this just because we cannot iterate over	1746	# and all this just because we cannot iterate over
1273	# all maps in C++...	1747	# all maps in C++...
1274	sub change_all_map_light {	1748	sub change_all_map_light {
…		…
1276		1750
1277	$_->change_map_light ($change)	1751	$_->change_map_light ($change)
1278	for grep $_->outdoor, values %cf::MAP;	1752	for grep $_->outdoor, values %cf::MAP;
1279	}	1753	}
1280		1754
		1755	sub decay_objects {
		1756	my ($self) = @_;
		1757
		1758	return if $self->{deny_reset};
		1759
		1760	$self->do_decay_objects;
		1761	}
		1762
1281	sub unlink_save {	1763	sub unlink_save {
1282	my ($self) = @_;	1764	my ($self) = @_;
1283		1765
1284	utf8::encode (my $save = $self->save_path);	1766	utf8::encode (my $save = $self->save_path);
1285	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1767	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1288		1770
1289	sub load_header_from($) {	1771	sub load_header_from($) {
1290	my ($self, $path) = @_;	1772	my ($self, $path) = @_;
1291		1773
1292	utf8::encode $path;	1774	utf8::encode $path;
1293	aio_open $path, O_RDONLY, 0	1775	my $f = new_from_file cf::object::thawer $path
1294	or return;	1776	or return;
1295		1777
1296	$self->_load_header ($path)	1778	$self->_load_header ($f)
1297	or return;	1779	or return;
		1780
		1781	local $MAP_LOADING{$self->{path}} = $self;
		1782	$f->resolve_delayed_derefs;
1298		1783
1299	$self->{load_path} = $path;	1784	$self->{load_path} = $path;
1300		1785
1301	1	1786	1
1302	}	1787	}
…		…
1341	$self->load_header_orig	1826	$self->load_header_orig
1342	or return;	1827	or return;
1343	$self->prepare_orig;	1828	$self->prepare_orig;
1344	}	1829	}
1345		1830
		1831	$self->{deny_reset} = 1
		1832	if $self->no_reset;
		1833
		1834	$self->default_region (cf::region::find_by_path $self->{path})
		1835	unless $self->default_region;
		1836
1346	1	1837	1
1347	}	1838	}
1348		1839
1349	sub find;	1840	sub find;
1350	sub find {	1841	sub find {
…		…
1362	$map->{last_save} = $cf::RUNTIME;	1853	$map->{last_save} = $cf::RUNTIME;
1363		1854
1364	$map->load_header	1855	$map->load_header
1365	or return;	1856	or return;
1366		1857
1367	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1858	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1368	# doing this can freeze the server in a sync job, obviously	1859	# doing this can freeze the server in a sync job, obviously
1369	#$cf::WAIT_FOR_TICK->wait;	1860	#$cf::WAIT_FOR_TICK->wait;
1370	$map->reset;	1861	$map->reset;
1371	undef $guard;	1862	undef $guard;
1372	return find $path;	1863	return find $path;
…		…
1383	my ($self) = @_;	1874	my ($self) = @_;
1384		1875
1385	local $self->{deny_reset} = 1; # loading can take a long time	1876	local $self->{deny_reset} = 1; # loading can take a long time
1386		1877
1387	my $path = $self->{path};	1878	my $path = $self->{path};
		1879
		1880	{
		1881	my $guard1 = cf::lock_acquire "map_data:$path";
1388	my $guard = cf::lock_acquire "map_load:$path";	1882	my $guard2 = cf::lock_acquire "map_load:$path";
1389		1883
1390	return if $self->in_memory != cf::MAP_SWAPPED;	1884	return if $self->in_memory != cf::MAP_SWAPPED;
1391		1885
1392	$self->in_memory (cf::MAP_LOADING);	1886	$self->in_memory (cf::MAP_LOADING);
1393		1887
1394	$self->alloc;	1888	$self->alloc;
1395		1889
1396	$self->pre_load;	1890	$self->pre_load;
		1891	cf::cede_to_tick;
1397		1892
1398	$self->_load_objects ($self->{load_path}, 1)	1893	my $f = new_from_file cf::object::thawer $self->{load_path};
		1894	$f->skip_block;
		1895	$self->_load_objects ($f)
1399	or return;	1896	or return;
1400		1897
1401	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1402	if delete $self->{load_original};	1899	if delete $self->{load_original};
1403		1900
1404	if (my $uniq = $self->uniq_path) {	1901	if (my $uniq = $self->uniq_path) {
1405	utf8::encode $uniq;	1902	utf8::encode $uniq;
1406	if (aio_open $uniq, O_RDONLY, 0) {	1903	unless (aio_stat $uniq) {
		1904	if (my $f = new_from_file cf::object::thawer $uniq) {
1407	$self->clear_unique_items;	1905	$self->clear_unique_items;
1408	$self->_load_objects ($uniq, 0);	1906	$self->_load_objects ($f);
		1907	$f->resolve_delayed_derefs;
		1908	}
1409	}	1909	}
1410	}	1910	}
1411		1911
1412	Coro::cede;	1912	$f->resolve_delayed_derefs;
1413		1913
		1914	cf::cede_to_tick;
1414	# now do the right thing for maps	1915	# now do the right thing for maps
1415	$self->link_multipart_objects;	1916	$self->link_multipart_objects;
1416
1417	unless ($self->{deny_activate}) {
1418	$self->decay_objects;
1419	$self->fix_auto_apply;
1420	$self->update_buttons;
1421	Coro::cede;
1422	$self->set_darkness_map;
1423	$self->difficulty ($self->estimate_difficulty)	1917	$self->difficulty ($self->estimate_difficulty)
1424	unless $self->difficulty;	1918	unless $self->difficulty;
1425	Coro::cede;	1919	cf::cede_to_tick;
		1920
		1921	unless ($self->{deny_activate}) {
		1922	$self->decay_objects;
		1923	$self->fix_auto_apply;
		1924	$self->update_buttons;
		1925	cf::cede_to_tick;
		1926	$self->set_darkness_map;
		1927	cf::cede_to_tick;
1426	$self->activate;	1928	$self->activate;
		1929	}
		1930
		1931	$self->{last_save} = $cf::RUNTIME;
		1932	$self->last_access ($cf::RUNTIME);
		1933
		1934	$self->in_memory (cf::MAP_IN_MEMORY);
1427	}	1935	}
1428		1936
1429	$self->post_load;	1937	$self->post_load;
1430
1431	$self->in_memory (cf::MAP_IN_MEMORY);
1432	}	1938	}
1433		1939
1434	sub customise_for {	1940	sub customise_for {
1435	my ($self, $ob) = @_;	1941	my ($self, $ob) = @_;
1436		1942
1437	return find "~" . $ob->name . "/" . $self->{path}	1943	return find "~" . $ob->name . "/" . $self->{path}
1438	if $self->per_player;	1944	if $self->per_player;
1439		1945
		1946	# return find "?party/" . $ob->name . "/" . $self->{path}
		1947	# if $self->per_party;
		1948
1440	$self	1949	$self
1441	}	1950	}
1442		1951
1443	# find and load all maps in the 3x3 area around a map	1952	# find and load all maps in the 3x3 area around a map
1444	sub load_diag {	1953	sub load_neighbours {
1445	my ($map) = @_;	1954	my ($map) = @_;
1446		1955
1447	my @diag; # diagonal neighbours	1956	my @neigh; # diagonal neighbours
1448		1957
1449	for (0 .. 3) {	1958	for (0 .. 3) {
1450	my $neigh = $map->tile_path ($_)	1959	my $neigh = $map->tile_path ($_)
1451	or next;	1960	or next;
1452	$neigh = find $neigh, $map	1961	$neigh = find $neigh, $map
1453	or next;	1962	or next;
1454	$neigh->load;	1963	$neigh->load;
1455		1964
		1965	push @neigh,
1456	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1966	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1457	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1967	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1458	}	1968	}
1459		1969
1460	for (@diag) {	1970	for (grep defined $_->[0], @neigh) {
		1971	my ($path, $origin) = @$_;
1461	my $neigh = find @$_	1972	my $neigh = find $path, $origin
1462	or next;	1973	or next;
1463	$neigh->load;	1974	$neigh->load;
1464	}	1975	}
1465	}	1976	}
1466		1977
…		…
1471	}	1982	}
1472		1983
1473	sub do_load_sync {	1984	sub do_load_sync {
1474	my ($map) = @_;	1985	my ($map) = @_;
1475		1986
		1987	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1988	if $Coro::current == $Coro::main;
		1989
1476	cf::sync_job { $map->load };	1990	cf::sync_job { $map->load };
1477	}	1991	}
1478		1992
1479	our %MAP_PREFETCH;	1993	our %MAP_PREFETCH;
1480	our $MAP_PREFETCHER = undef;	1994	our $MAP_PREFETCHER = undef;
1481		1995
1482	sub find_async {	1996	sub find_async {
1483	my ($path, $origin) = @_;	1997	my ($path, $origin, $load) = @_;
1484		1998
1485	$path = normalise $path, $origin && $origin->{path};	1999	$path = normalise $path, $origin && $origin->{path};
1486		2000
1487	if (my $map = $cf::MAP{$path}) {	2001	if (my $map = $cf::MAP{$path}) {
1488	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2002	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1489	}	2003	}
1490		2004
1491	undef $MAP_PREFETCH{$path};	2005	$MAP_PREFETCH{$path} |= $load;
		2006
1492	$MAP_PREFETCHER ||= cf::async {	2007	$MAP_PREFETCHER ||= cf::async {
1493	while (%MAP_PREFETCH) {	2008	while (%MAP_PREFETCH) {
1494	for my $path (keys %MAP_PREFETCH) {	2009	while (my ($k, $v) = each %MAP_PREFETCH) {
1495	my $map = find $path	2010	if (my $map = find $k) {
1496	or next;
1497	$map->load;	2011	$map->load if $v;
		2012	}
1498		2013
1499	delete $MAP_PREFETCH{$path};	2014	delete $MAP_PREFETCH{$k};
1500	}	2015	}
1501	}	2016	}
1502	undef $MAP_PREFETCHER;	2017	undef $MAP_PREFETCHER;
1503	};	2018	};
1504	$MAP_PREFETCHER->prio (6);	2019	$MAP_PREFETCHER->prio (6);
…		…
1507	}	2022	}
1508		2023
1509	sub save {	2024	sub save {
1510	my ($self) = @_;	2025	my ($self) = @_;
1511		2026
1512	my $lock = cf::lock_acquire "map_data:" . $self->path;	2027	my $lock = cf::lock_acquire "map_data:$self->{path}";
1513		2028
1514	$self->{last_save} = $cf::RUNTIME;	2029	$self->{last_save} = $cf::RUNTIME;
1515		2030
1516	return unless $self->dirty;	2031	return unless $self->dirty;
1517		2032
…		…
1540	my ($self) = @_;	2055	my ($self) = @_;
1541		2056
1542	# save first because save cedes	2057	# save first because save cedes
1543	$self->save;	2058	$self->save;
1544		2059
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		2061
1547	return if $self->players;	2062	return if $self->players;
1548	return if $self->in_memory != cf::MAP_IN_MEMORY;	2063	return if $self->in_memory != cf::MAP_IN_MEMORY;
1549	return if $self->{deny_save};	2064	return if $self->{deny_save};
1550		2065
…		…
1554		2069
1555	sub reset_at {	2070	sub reset_at {
1556	my ($self) = @_;	2071	my ($self) = @_;
1557		2072
1558	# TODO: safety, remove and allow resettable per-player maps	2073	# TODO: safety, remove and allow resettable per-player maps
1559	return 1e99 if $self->isa ("ext::map_per_player");#d#
1560	return 1e99 if $self->{deny_reset};	2074	return 1e99 if $self->{deny_reset};
1561		2075
1562	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2076	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1563	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2077	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1564		2078
…		…
1575	my ($self) = @_;	2089	my ($self) = @_;
1576		2090
1577	my $lock = cf::lock_acquire "map_data:$self->{path}";	2091	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2092
1579	return if $self->players;	2093	return if $self->players;
1580	return if $self->isa ("ext::map_per_player");#d#
1581		2094
1582	warn "resetting map ", $self->path;#d#	2095	warn "resetting map ", $self->path;
		2096
		2097	$self->in_memory (cf::MAP_SWAPPED);
		2098
		2099	# need to save uniques path
		2100	unless ($self->{deny_save}) {
		2101	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2102
		2103	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2104	if $uniq;
		2105	}
1583		2106
1584	delete $cf::MAP{$self->path};	2107	delete $cf::MAP{$self->path};
1585		2108
1586	$self->in_memory (cf::MAP_SWAPPED);
1587	$self->clear;	2109	$self->clear;
1588		2110
1589	$_->clear_links_to ($self) for values %cf::MAP;	2111	$_->clear_links_to ($self) for values %cf::MAP;
1590		2112
1591	$self->unlink_save;	2113	$self->unlink_save;
…		…
1595	my $nuke_counter = "aaaa";	2117	my $nuke_counter = "aaaa";
1596		2118
1597	sub nuke {	2119	sub nuke {
1598	my ($self) = @_;	2120	my ($self) = @_;
1599		2121
		2122	{
		2123	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2124
1600	delete $cf::MAP{$self->path};	2125	delete $cf::MAP{$self->path};
1601		2126
1602	$self->unlink_save;	2127	$self->unlink_save;
1603		2128
1604	bless $self, "cf::map";	2129	bless $self, "cf::map";
1605	delete $self->{deny_reset};	2130	delete $self->{deny_reset};
1606	$self->{deny_save} = 1;	2131	$self->{deny_save} = 1;
1607	$self->reset_timeout (1);	2132	$self->reset_timeout (1);
1608	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2133	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1609		2134
1610	$cf::MAP{$self->path} = $self;	2135	$cf::MAP{$self->path} = $self;
		2136	}
1611		2137
1612	$self->reset; # polite request, might not happen	2138	$self->reset; # polite request, might not happen
		2139	}
		2140
		2141	=item $maps = cf::map::tmp_maps
		2142
		2143	Returns an arrayref with all map paths of currently instantiated and saved
		2144	maps. May block.
		2145
		2146	=cut
		2147
		2148	sub tmp_maps() {
		2149	[
		2150	map {
		2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise $_
		2154	: ()
		2155	} @{ aio_readdir $TMPDIR or [] }
		2156	]
		2157	}
		2158
		2159	=item $maps = cf::map::random_maps
		2160
		2161	Returns an arrayref with all map paths of currently instantiated and saved
		2162	random maps. May block.
		2163
		2164	=cut
		2165
		2166	sub random_maps() {
		2167	[
		2168	map {
		2169	utf8::decode $_;
		2170	/\.map$/
		2171	? normalise "?random/$_"
		2172	: ()
		2173	} @{ aio_readdir $RANDOMDIR or [] }
		2174	]
1613	}	2175	}
1614		2176
1615	=item cf::map::unique_maps	2177	=item cf::map::unique_maps
1616		2178
1617	Returns an arrayref of paths of all shared maps that have	2179	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	2180	instantiated unique items. May block.
1619		2181
1620	=cut	2182	=cut
1621		2183
1622	sub unique_maps() {	2184	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2185	[
1624	or return;	2186	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2187	utf8::decode $_;
1630	next if /\.pst$/;
1631	next unless /^$PATH_SEP/o;
1632
1633	s/\.map$//;	2188	/\.map$/
1634	push @paths, $_;	2189	? normalise $_
		2190	: ()
		2191	} @{ aio_readdir $UNIQUEDIR or [] }
1635	}	2192	]
1636
1637	\@paths
1638	}	2193	}
1639		2194
1640	package cf;	2195	package cf;
1641		2196
1642	=back	2197	=back
…		…
1660	map { $_, inv_recursive_ $_->inv } @_	2215	map { $_, inv_recursive_ $_->inv } @_
1661	}	2216	}
1662		2217
1663	sub inv_recursive {	2218	sub inv_recursive {
1664	inv_recursive_ inv $_[0]	2219	inv_recursive_ inv $_[0]
		2220	}
		2221
		2222	=item $ref = $ob->ref
		2223
		2224	creates and returns a persistent reference to an objetc that can be stored as a string.
		2225
		2226	=item $ob = cf::object::deref ($refstring)
		2227
		2228	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2229	even if the object actually exists. May block.
		2230
		2231	=cut
		2232
		2233	sub deref {
		2234	my ($ref) = @_;
		2235
		2236	# temporary compatibility#TODO#remove
		2237	$ref =~ s{^<}{player/<};
		2238
		2239	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2240	my ($uuid, $name) = ($1, $2);
		2241	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2242	or return;
		2243	$pl->ob->uuid eq $uuid
		2244	or return;
		2245
		2246	$pl->ob
		2247	} else {
		2248	warn "$ref: cannot resolve object reference\n";
		2249	undef
		2250	}
1665	}	2251	}
1666		2252
1667	package cf;	2253	package cf;
1668		2254
1669	=back	2255	=back
…		…
1688		2274
1689	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2275	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1690		2276
1691	if ($self->{record_replies}) {	2277	if ($self->{record_replies}) {
1692	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2278	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2279
1693	} else {	2280	} else {
		2281	my $pl = $self->contr;
		2282
		2283	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2284	my $dialog = $pl->{npc_dialog};
		2285	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2286
		2287	} else {
1694	$msg = $npc->name . " says: $msg" if $npc;	2288	$msg = $npc->name . " says: $msg" if $npc;
1695	$self->message ($msg, $flags);	2289	$self->message ($msg, $flags);
		2290	}
1696	}	2291	}
		2292	}
		2293
		2294	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2295
		2296	=cut
		2297
		2298	sub cf::object::send_msg {
		2299	my $pl = shift->contr
		2300	or return;
		2301	$pl->send_msg (@_);
1697	}	2302	}
1698		2303
1699	=item $player_object->may ("access")	2304	=item $player_object->may ("access")
1700		2305
1701	Returns wether the given player is authorized to access resource "access"	2306	Returns wether the given player is authorized to access resource "access"
…		…
1748	$self->deactivate_recursive;	2353	$self->deactivate_recursive;
1749		2354
1750	return if UNIVERSAL::isa $self->map, "ext::map_link";	2355	return if UNIVERSAL::isa $self->map, "ext::map_link";
1751		2356
1752	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2357	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1753	if $self->map;	2358	if $self->map && $self->map->{path} ne "{link}";
1754		2359
1755	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2360	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1756	}	2361	}
1757		2362
1758	sub cf::object::player::leave_link {	2363	sub cf::object::player::leave_link {
1759	my ($self, $map, $x, $y) = @_;	2364	my ($self, $map, $x, $y) = @_;
		2365
		2366	return unless $self->contr->active;
1760		2367
1761	my $link_pos = delete $self->{_link_pos};	2368	my $link_pos = delete $self->{_link_pos};
1762		2369
1763	unless ($map) {	2370	unless ($map) {
1764	# restore original map position	2371	# restore original map position
…		…
1778	# use -1 or undef as default coordinates, not 0, 0	2385	# use -1 or undef as default coordinates, not 0, 0
1779	($x, $y) = ($map->enter_x, $map->enter_y)	2386	($x, $y) = ($map->enter_x, $map->enter_y)
1780	if $x <=0 && $y <= 0;	2387	if $x <=0 && $y <= 0;
1781		2388
1782	$map->load;	2389	$map->load;
1783	$map->load_diag;	2390	$map->load_neighbours;
1784		2391
1785	return unless $self->contr->active;	2392	return unless $self->contr->active;
1786	$self->activate_recursive;	2393	$self->activate_recursive;
		2394
		2395	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1787	$self->enter_map ($map, $x, $y);	2396	$self->enter_map ($map, $x, $y);
1788	}	2397	}
1789		2398
1790	cf::player->attach (	2399	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1791	on_logout => sub {
1792	my ($pl) = @_;
1793		2400
1794	# abort map switching before logout	2401	Moves the player to the given map-path and coordinates by first freezing
1795	if ($pl->ob->{_link_pos}) {	2402	her, loading and preparing them map, calling the provided $check callback
1796	cf::sync_job {	2403	that has to return the map if sucecssful, and then unfreezes the player on
1797	$pl->ob->leave_link	2404	the new (success) or old (failed) map position. In either case, $done will
1798	};	2405	be called at the end of this process.
1799	}
1800	},
1801	on_login => sub {
1802	my ($pl) = @_;
1803		2406
1804	# try to abort aborted map switching on player login :)
1805	# should happen only on crashes
1806	if ($pl->ob->{_link_pos}) {
1807	$pl->ob->enter_link;
1808	(async {
1809	# we need this sleep as the login has a concurrent enter_exit running
1810	# and this sleep increases chances of the player not ending up in scorn
1811	$pl->ob->reply (undef,
1812	"There was an internal problem at your last logout, "
1813	. "the server will try to bring you to your intended destination in a second.",
1814	cf::NDI_RED);
1815	Coro::Timer::sleep 1;
1816	$pl->ob->leave_link;
1817	})->prio (2);
1818	}
1819	},
1820	);
1821
1822	=item $player_object->goto ($path, $x, $y)
1823
1824	=cut	2407	=cut
		2408
		2409	our $GOTOGEN;
1825		2410
1826	sub cf::object::player::goto {	2411	sub cf::object::player::goto {
1827	my ($self, $path, $x, $y) = @_;	2412	my ($self, $path, $x, $y, $check, $done) = @_;
		2413
		2414	# do generation counting so two concurrent goto's will be executed in-order
		2415	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1828		2416
1829	$self->enter_link;	2417	$self->enter_link;
1830		2418
1831	(async {	2419	(async {
1832	my $map = eval {	2420	my $map = eval {
1833	my $map = cf::map::find $path;	2421	my $map = cf::map::find $path;
		2422
		2423	if ($map) {
1834	$map = $map->customise_for ($self) if $map;	2424	$map = $map->customise_for ($self);
		2425	$map = $check->($map) if $check && $map;
		2426	} else {
		2427	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2428	}
		2429
1835	$map	2430	$map
		2431	};
		2432
		2433	if ($@) {
		2434	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2435	LOG llevError | logBacktrace, Carp::longmess $@;
1836	} or	2436	}
1837	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1838		2437
		2438	if ($gen == $self->{_goto_generation}) {
		2439	delete $self->{_goto_generation};
1839	$self->leave_link ($map, $x, $y);	2440	$self->leave_link ($map, $x, $y);
		2441	}
		2442
		2443	$done->() if $done;
1840	})->prio (1);	2444	})->prio (1);
1841	}	2445	}
1842		2446
1843	=item $player_object->enter_exit ($exit_object)	2447	=item $player_object->enter_exit ($exit_object)
1844		2448
…		…
1873	# that depends on the exit object	2477	# that depends on the exit object
1874		2478
1875	my $rmp = parse_random_map_params $exit->msg;	2479	my $rmp = parse_random_map_params $exit->msg;
1876		2480
1877	if ($exit->map) {	2481	if ($exit->map) {
1878	$rmp->{region} = $exit->map->region_name;	2482	$rmp->{region} = $exit->region->name;
1879	$rmp->{origin_map} = $exit->map->path;	2483	$rmp->{origin_map} = $exit->map->path;
1880	$rmp->{origin_x} = $exit->x;	2484	$rmp->{origin_x} = $exit->x;
1881	$rmp->{origin_y} = $exit->y;	2485	$rmp->{origin_y} = $exit->y;
1882	}	2486	}
1883		2487
1884	$rmp->{random_seed} ||= $exit->random_seed;	2488	$rmp->{random_seed} ||= $exit->random_seed;
1885		2489
1886	my $data = cf::to_json $rmp;	2490	my $data = cf::to_json $rmp;
1887	my $md5 = Digest::MD5::md5_hex $data;	2491	my $md5 = Digest::MD5::md5_hex $data;
1888	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2492	my $meta = "$RANDOMDIR/$md5.meta";
1889		2493
1890	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2494	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1891	aio_write $fh, 0, (length $data), $data, 0;	2495	aio_write $fh, 0, (length $data), $data, 0;
1892	undef $fh;	2496	undef $fh;
1893	aio_rename "$meta~", $meta;	2497	aio_rename "$meta~", $meta;
…		…
1902		2506
1903	return unless $self->type == cf::PLAYER;	2507	return unless $self->type == cf::PLAYER;
1904		2508
1905	if ($exit->slaying eq "/!") {	2509	if ($exit->slaying eq "/!") {
1906	#TODO: this should de-fi-ni-te-ly not be a sync-job	2510	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2511	# the problem is that $exit might not survive long enough
		2512	# so it needs to be done right now, right here
1907	cf::sync_job { prepare_random_map $exit };	2513	cf::sync_job { prepare_random_map $exit };
1908	}	2514	}
1909		2515
1910	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2516	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1911	my $hp = $exit->stats->hp;	2517	my $hp = $exit->stats->hp;
1912	my $sp = $exit->stats->sp;	2518	my $sp = $exit->stats->sp;
1913		2519
1914	$self->enter_link;	2520	$self->enter_link;
		2521
		2522	# if exit is damned, update players death & WoR home-position
		2523	$self->contr->savebed ($slaying, $hp, $sp)
		2524	if $exit->flag (FLAG_DAMNED);
1915		2525
1916	(async {	2526	(async {
1917	$self->deactivate_recursive; # just to be sure	2527	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	2528	unless (eval {
1919	$self->goto ($slaying, $hp, $sp);	2529	$self->goto ($slaying, $hp, $sp);
1920		2530
1921	1;	2531	1;
1922	}) {	2532	}) {
1923	$self->message ("Something went wrong deep within the crossfire server. "	2533	$self->message ("Something went wrong deep within the crossfire server. "
1924	. "I'll try to bring you back to the map you were before. "	2534	. "I'll try to bring you back to the map you were before. "
1925	. "Please report this to the dungeon master!",	2535	. "Please report this to the dungeon master!",
1926	cf::NDI_UNIQUE | cf::NDI_RED);	2536	cf::NDI_UNIQUE | cf::NDI_RED);
1927		2537
1928	warn "ERROR in enter_exit: $@";	2538	warn "ERROR in enter_exit: $@";
1929	$self->leave_link;	2539	$self->leave_link;
1930	}	2540	}
1931	})->prio (1);	2541	})->prio (1);
…		…
1944		2554
1945	sub cf::client::send_drawinfo {	2555	sub cf::client::send_drawinfo {
1946	my ($self, $text, $flags) = @_;	2556	my ($self, $text, $flags) = @_;
1947		2557
1948	utf8::encode $text;	2558	utf8::encode $text;
1949	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2559	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1950	}	2560	}
1951		2561
		2562	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2563
		2564	Send a drawinfo or msg packet to the client, formatting the msg for the
		2565	client if neccessary. C<$type> should be a string identifying the type of
		2566	the message, with C<log> being the default. If C<$color> is negative, suppress
		2567	the message unless the client supports the msg packet.
		2568
		2569	=cut
		2570
		2571	our %CHANNEL = (
		2572	"c/identify" => {
		2573	id => "identify",
		2574	title => "Identify",
		2575	reply => undef,
		2576	tooltip => "Items recently identified",
		2577	},
		2578	"c/examine" => {
		2579	id => "examine",
		2580	title => "Examine",
		2581	reply => undef,
		2582	tooltip => "Signs and other items you examined",
		2583	},
		2584	);
		2585
		2586	sub cf::client::send_msg {
		2587	my ($self, $channel, $msg, $color, @extra) = @_;
		2588
		2589	$msg = $self->pl->expand_cfpod ($msg);
		2590
		2591	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2592
		2593	# check predefined channels, for the benefit of C
		2594	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2595
		2596	if (ref $channel) {
		2597	# send meta info to client, if not yet sent
		2598	unless (exists $self->{channel}{$channel->{id}}) {
		2599	$self->{channel}{$channel->{id}} = $channel;
		2600	$self->ext_msg (channel_info => $channel)
		2601	if $self->can_msg;
		2602	}
		2603
		2604	$channel = $channel->{id};
		2605	}
		2606
		2607	return unless @extra || length $msg;
		2608
		2609	if ($self->can_msg) {
		2610	# default colour, mask it out
		2611	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2612	if $color & cf::NDI_DEF;
		2613
		2614	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2615	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2616	} else {
		2617	if ($color >= 0) {
		2618	# replace some tags by gcfclient-compatible ones
		2619	for ($msg) {
		2620	1 while
		2621	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2622	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2623	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2624	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2625	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2626	}
		2627
		2628	$color &= cf::NDI_COLOR_MASK;
		2629
		2630	utf8::encode $msg;
		2631
		2632	if (0 && $msg =~ /\[/) {
		2633	# COMMAND/INFO
		2634	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2635	} else {
		2636	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2637	$self->send_packet ("drawinfo $color $msg")
		2638	}
		2639	}
		2640	}
		2641	}
		2642
		2643	=item $client->ext_msg ($type, @msg)
		2644
		2645	Sends an ext event to the client.
		2646
		2647	=cut
		2648
		2649	sub cf::client::ext_msg($$@) {
		2650	my ($self, $type, @msg) = @_;
		2651
		2652	if ($self->extcmd == 2) {
		2653	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2654	} elsif ($self->extcmd == 1) { # TODO: remove
		2655	push @msg, msgtype => "event_$type";
		2656	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2657	}
		2658	}
		2659
		2660	=item $client->ext_reply ($msgid, @msg)
		2661
		2662	Sends an ext reply to the client.
		2663
		2664	=cut
		2665
		2666	sub cf::client::ext_reply($$@) {
		2667	my ($self, $id, @msg) = @_;
		2668
		2669	if ($self->extcmd == 2) {
		2670	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2671	} elsif ($self->extcmd == 1) {
		2672	#TODO: version 1, remove
		2673	unshift @msg, msgtype => "reply", msgid => $id;
		2674	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2675	}
		2676	}
1952		2677
1953	=item $success = $client->query ($flags, "text", \&cb)	2678	=item $success = $client->query ($flags, "text", \&cb)
1954		2679
1955	Queues a query to the client, calling the given callback with	2680	Queues a query to the client, calling the given callback with
1956	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2681	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1957	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2682	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1958		2683
1959	Queries can fail, so check the return code. Or don't, as queries will become	2684	Queries can fail, so check the return code. Or don't, as queries will
1960	reliable at some point in the future.	2685	become reliable at some point in the future.
1961		2686
1962	=cut	2687	=cut
1963		2688
1964	sub cf::client::query {	2689	sub cf::client::query {
1965	my ($self, $flags, $text, $cb) = @_;	2690	my ($self, $flags, $text, $cb) = @_;
…		…
1973	utf8::encode $text;	2698	utf8::encode $text;
1974	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2699	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1975		2700
1976	$self->send_packet ($self->{query_queue}[0][0])	2701	$self->send_packet ($self->{query_queue}[0][0])
1977	if @{ $self->{query_queue} } == 1;	2702	if @{ $self->{query_queue} } == 1;
		2703
		2704	1
1978	}	2705	}
1979		2706
1980	cf::client->attach (	2707	cf::client->attach (
		2708	on_connect => sub {
		2709	my ($ns) = @_;
		2710
		2711	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2712	},
1981	on_reply => sub {	2713	on_reply => sub {
1982	my ($ns, $msg) = @_;	2714	my ($ns, $msg) = @_;
1983		2715
1984	# this weird shuffling is so that direct followup queries	2716	# this weird shuffling is so that direct followup queries
1985	# get handled first	2717	# get handled first
1986	my $queue = delete $ns->{query_queue}	2718	my $queue = delete $ns->{query_queue}
1987	or return; # be conservative, not sure how that can happen, but we saw a crash here	2719	or return; # be conservative, not sure how that can happen, but we saw a crash here
1988		2720
1989	(shift @$queue)->[1]->($msg);	2721	(shift @$queue)->[1]->($msg);
		2722	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1990		2723
1991	push @{ $ns->{query_queue} }, @$queue;	2724	push @{ $ns->{query_queue} }, @$queue;
1992		2725
1993	if (@{ $ns->{query_queue} } == @$queue) {	2726	if (@{ $ns->{query_queue} } == @$queue) {
1994	if (@$queue) {	2727	if (@$queue) {
…		…
1996	} else {	2729	} else {
1997	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2730	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1998	}	2731	}
1999	}	2732	}
2000	},	2733	},
		2734	on_exticmd => sub {
		2735	my ($ns, $buf) = @_;
		2736
		2737	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2738
		2739	if (ref $msg) {
		2740	my ($type, $reply, @payload) =
		2741	"ARRAY" eq ref $msg
		2742	? @$msg
		2743	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2744
		2745	my @reply;
		2746
		2747	if (my $cb = $EXTICMD{$type}) {
		2748	@reply = $cb->($ns, @payload);
		2749	}
		2750
		2751	$ns->ext_reply ($reply, @reply)
		2752	if $reply;
		2753
		2754	} else {
		2755	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2756	}
		2757
		2758	cf::override;
		2759	},
2001	);	2760	);
2002		2761
2003	=item $client->async (\&cb)	2762	=item $client->async (\&cb)
2004		2763
2005	Create a new coroutine, running the specified callback. The coroutine will	2764	Create a new coroutine, running the specified callback. The coroutine will
…		…
2046	our $safe = new Safe "safe";	2805	our $safe = new Safe "safe";
2047	our $safe_hole = new Safe::Hole;	2806	our $safe_hole = new Safe::Hole;
2048		2807
2049	$SIG{FPE} = 'IGNORE';	2808	$SIG{FPE} = 'IGNORE';
2050		2809
2051	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2810	$safe->permit_only (Opcode::opset qw(
		2811	:base_core :base_mem :base_orig :base_math
		2812	grepstart grepwhile mapstart mapwhile
		2813	sort time
		2814	));
2052		2815
2053	# here we export the classes and methods available to script code	2816	# here we export the classes and methods available to script code
2054		2817
2055	=pod	2818	=pod
2056		2819
2057	The following fucntions and emthods are available within a safe environment:	2820	The following functions and methods are available within a safe environment:
2058		2821
2059	cf::object contr pay_amount pay_player map	2822	cf::object
		2823	contr pay_amount pay_player map x y force_find force_add
		2824	insert remove name archname title slaying race decrease_ob_nr
		2825
2060	cf::object::player player	2826	cf::object::player
2061	cf::player peaceful	2827	player
2062	cf::map trigger	2828
		2829	cf::player
		2830	peaceful
		2831
		2832	cf::map
		2833	trigger
2063		2834
2064	=cut	2835	=cut
2065		2836
2066	for (	2837	for (
2067	["cf::object" => qw(contr pay_amount pay_player map)],	2838	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2839	insert remove inv name archname title slaying race
		2840	decrease_ob_nr)],
2068	["cf::object::player" => qw(player)],	2841	["cf::object::player" => qw(player)],
2069	["cf::player" => qw(peaceful)],	2842	["cf::player" => qw(peaceful)],
2070	["cf::map" => qw(trigger)],	2843	["cf::map" => qw(trigger)],
2071	) {	2844	) {
2072	no strict 'refs';	2845	no strict 'refs';
…		…
2143	=back	2916	=back
2144		2917
2145	=cut	2918	=cut
2146		2919
2147	#############################################################################	2920	#############################################################################
		2921	# the server's init and main functions
2148		2922
2149	=head2 EXTENSION DATABASE SUPPORT	2923	sub load_facedata($) {
		2924	my ($path) = @_;
2150		2925
2151	Crossfire maintains a very simple database for extension use. It can	2926	# HACK to clear player env face cache, we need some signal framework
2152	currently store anything that can be serialised using Storable, which	2927	# for this (global event?)
2153	excludes objects.	2928	%ext::player_env::MUSIC_FACE_CACHE = ();
2154		2929
2155	The parameter C<$family> should best start with the name of the extension	2930	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2156	using it, it should be unique.
2157		2931
2158	=over 4	2932	warn "loading facedata from $path\n";
2159		2933
2160	=item $hashref = cf::db_get $family	2934	my $facedata;
		2935	0 < aio_load $path, $facedata
		2936	or die "$path: $!";
2161		2937
2162	Return a hashref for use by the extension C<$family>, which can be	2938	$facedata = Coro::Storable::thaw $facedata;
2163	modified. After modifications, you have to call C<cf::db_dirty> or
2164	C<cf::db_sync>.
2165		2939
2166	=item $value = cf::db_get $family => $key	2940	$facedata->{version} == 2
		2941	or cf::cleanup "$path: version mismatch, cannot proceed.";
2167		2942
2168	Returns a single value from the database	2943	# patch in the exptable
2169		2944	$facedata->{resource}{"res/exp_table"} = {
2170	=item cf::db_put $family => $hashref	2945	type => FT_RSRC,
2171		2946	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2172	Stores the given family hashref into the database. Updates are delayed, if
2173	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2174
2175	=item cf::db_put $family => $key => $value
2176
2177	Stores the given C<$value> in the family hash. Updates are delayed, if you
2178	want the data to be synced to disk immediately, use C<cf::db_sync>.
2179
2180	=item cf::db_dirty
2181
2182	Marks the database as dirty, to be updated at a later time.
2183
2184	=item cf::db_sync
2185
2186	Immediately write the database to disk I<if it is dirty>.
2187
2188	=cut
2189
2190	our $DB;
2191
2192	{
2193	my $path = cf::localdir . "/database.pst";
2194
2195	sub db_load() {
2196	$DB = stat $path ? Storable::retrieve $path : { };
2197	}	2947	};
		2948	cf::cede_to_tick;
2198		2949
2199	my $pid;
2200
2201	sub db_save() {
2202	waitpid $pid, 0 if $pid;
2203	if (0 == ($pid = fork)) {
2204	$DB->{_meta}{version} = 1;
2205	Storable::nstore $DB, "$path~";
2206	rename "$path~", $path;
2207	cf::_exit 0 if defined $pid;
2208	}
2209	}	2950	{
		2951	my $faces = $facedata->{faceinfo};
2210		2952
2211	my $dirty;	2953	while (my ($face, $info) = each %$faces) {
		2954	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2955	cf::face::set_visibility $idx, $info->{visibility};
		2956	cf::face::set_magicmap $idx, $info->{magicmap};
		2957	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2958	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2212		2959
2213	sub db_sync() {	2960	cf::cede_to_tick;
2214	db_save if $dirty;
2215	undef $dirty;
2216	}
2217
2218	my $idle = Event->idle (
2219	reentrant => 0,
2220	min => 10,
2221	max => 20,
2222	repeat => 0,
2223	data => WF_AUTOCANCEL,
2224	cb => \&db_sync,
2225	);
2226
2227	sub db_dirty() {
2228	$dirty = 1;
2229	$idle->start;
2230	}
2231
2232	sub db_get($;$) {
2233	@_ >= 2
2234	? $DB->{$_[0]}{$_[1]}
2235	: ($DB->{$_[0]} ||= { })
2236	}
2237
2238	sub db_put($$;$) {
2239	if (@_ >= 3) {
2240	$DB->{$_[0]}{$_[1]} = $_[2];
2241	} else {
2242	$DB->{$_[0]} = $_[1];
2243	}
2244	db_dirty;
2245	}
2246
2247	cf::global->attach (
2248	prio => 10000,
2249	on_cleanup => sub {
2250	db_sync;
2251	},	2961	}
2252	);
2253	}
2254		2962
2255	#############################################################################	2963	while (my ($face, $info) = each %$faces) {
2256	# the server's main()	2964	next unless $info->{smooth};
		2965	my $idx = cf::face::find $face
		2966	or next;
		2967	if (my $smooth = cf::face::find $info->{smooth}) {
		2968	cf::face::set_smooth $idx, $smooth;
		2969	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2970	} else {
		2971	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2972	}
2257		2973
2258	sub cfg_load {	2974	cf::cede_to_tick;
		2975	}
		2976	}
		2977
		2978	{
		2979	my $anims = $facedata->{animinfo};
		2980
		2981	while (my ($anim, $info) = each %$anims) {
		2982	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2983	cf::cede_to_tick;
		2984	}
		2985
		2986	cf::anim::invalidate_all; # d'oh
		2987	}
		2988
		2989	{
		2990	# TODO: for gcfclient pleasure, we should give resources
		2991	# that gcfclient doesn't grok a >10000 face index.
		2992	my $res = $facedata->{resource};
		2993
		2994	my $soundconf = delete $res->{"res/sound.conf"};
		2995
		2996	while (my ($name, $info) = each %$res) {
		2997	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2998	my $data;
		2999
		3000	if ($info->{type} & 1) {
		3001	# prepend meta info
		3002
		3003	my $meta = $enc->encode ({
		3004	name => $name,
		3005	%{ $info->{meta} || {} },
		3006	});
		3007
		3008	$data = pack "(w/a*)*", $meta, $info->{data};
		3009	} else {
		3010	$data = $info->{data};
		3011	}
		3012
		3013	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3014	cf::face::set_type $idx, $info->{type};
		3015
		3016	cf::cede_to_tick;
		3017	}
		3018
		3019	if ($soundconf) {
		3020	$soundconf = $enc->decode (delete $soundconf->{data});
		3021
		3022	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3023	my $sound = $soundconf->{compat}[$_]
		3024	or next;
		3025
		3026	my $face = cf::face::find "sound/$sound->[1]";
		3027	cf::sound::set $sound->[0] => $face;
		3028	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3029	}
		3030
		3031	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3032	my $face = cf::face::find "sound/$v";
		3033	cf::sound::set $k => $face;
		3034	}
		3035	}
		3036	}
		3037
		3038	1
		3039	}
		3040
		3041	register_exticmd fx_want => sub {
		3042	my ($ns, $want) = @_;
		3043
		3044	while (my ($k, $v) = each %$want) {
		3045	$ns->fx_want ($k, $v);
		3046	}
		3047	};
		3048
		3049	sub reload_regions {
		3050	# HACK to clear player env face cache, we need some signal framework
		3051	# for this (global event?)
		3052	%ext::player_env::MUSIC_FACE_CACHE = ();
		3053
		3054	load_resource_file "$MAPDIR/regions"
		3055	or die "unable to load regions file\n";
		3056
		3057	for (cf::region::list) {
		3058	$_->{match} = qr/$_->{match}/
		3059	if exists $_->{match};
		3060	}
		3061	}
		3062
		3063	sub reload_facedata {
		3064	load_facedata "$DATADIR/facedata"
		3065	or die "unable to load facedata\n";
		3066	}
		3067
		3068	sub reload_archetypes {
		3069	load_resource_file "$DATADIR/archetypes"
		3070	or die "unable to load archetypes\n";
		3071	#d# NEED to laod twice to resolve forward references
		3072	# this really needs to be done in an extra post-pass
		3073	# (which needs to be synchronous, so solve it differently)
		3074	load_resource_file "$DATADIR/archetypes"
		3075	or die "unable to load archetypes\n";
		3076	}
		3077
		3078	sub reload_treasures {
		3079	load_resource_file "$DATADIR/treasures"
		3080	or die "unable to load treasurelists\n";
		3081	}
		3082
		3083	sub reload_resources {
		3084	warn "reloading resource files...\n";
		3085
		3086	reload_regions;
		3087	reload_facedata;
		3088	#reload_archetypes;#d#
		3089	reload_archetypes;
		3090	reload_treasures;
		3091
		3092	warn "finished reloading resource files\n";
		3093	}
		3094
		3095	sub init {
		3096	reload_resources;
		3097	}
		3098
		3099	sub reload_config {
2259	open my $fh, "<:utf8", cf::confdir . "/config"	3100	open my $fh, "<:utf8", "$CONFDIR/config"
2260	or return;	3101	or return;
2261		3102
2262	local $/;	3103	local $/;
2263	*CFG = YAML::Syck::Load <$fh>;	3104	*CFG = YAML::Syck::Load <$fh>;
2264		3105
…		…
2283	(async {	3124	(async {
2284	Event::one_event;	3125	Event::one_event;
2285	})->prio (Coro::PRIO_MAX);	3126	})->prio (Coro::PRIO_MAX);
2286	};	3127	};
2287		3128
2288	cfg_load;	3129	reload_config;
2289	db_load;	3130	db_init;
2290	load_extensions;	3131	load_extensions;
2291		3132
2292	$TICK_WATCHER->start;	3133	$TICK_WATCHER->start;
2293	Event::loop;	3134	Event::loop;
2294	}	3135	}
…		…
2309	},	3150	},
2310	);	3151	);
2311	}	3152	}
2312	}	3153	}
2313		3154
		3155	sub write_runtime {
		3156	my $runtime = "$LOCALDIR/runtime";
		3157
		3158	# first touch the runtime file to show we are still running:
		3159	# the fsync below can take a very very long time.
		3160
		3161	IO::AIO::aio_utime $runtime, undef, undef;
		3162
		3163	my $guard = cf::lock_acquire "write_runtime";
		3164
		3165	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3166	or return;
		3167
		3168	my $value = $cf::RUNTIME + 90 + 10;
		3169	# 10 is the runtime save interval, for a monotonic clock
		3170	# 60 allows for the watchdog to kill the server.
		3171
		3172	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3173	and return;
		3174
		3175	# always fsync - this file is important
		3176	aio_fsync $fh
		3177	and return;
		3178
		3179	# touch it again to show we are up-to-date
		3180	aio_utime $fh, undef, undef;
		3181
		3182	close $fh
		3183	or return;
		3184
		3185	aio_rename "$runtime~", $runtime
		3186	and return;
		3187
		3188	warn "runtime file written.\n";
		3189
		3190	1
		3191	}
		3192
2314	sub emergency_save() {	3193	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3194	my $freeze_guard = cf::freeze_mainloop;
2316		3195
2317	warn "enter emergency perl save\n";	3196	warn "enter emergency perl save\n";
2318		3197
…		…
2333	my $map = $cf::MAP{$path} or next;	3212	my $map = $cf::MAP{$path} or next;
2334	$map->valid or next;	3213	$map->valid or next;
2335	$map->save;	3214	$map->save;
2336	}	3215	}
2337	warn "end emergency map save\n";	3216	warn "end emergency map save\n";
		3217
		3218	warn "begin emergency database checkpoint\n";
		3219	BDB::db_env_txn_checkpoint $DB_ENV;
		3220	warn "end emergency database checkpoint\n";
2338	};	3221	};
2339		3222
2340	warn "leave emergency perl save\n";	3223	warn "leave emergency perl save\n";
2341	}	3224	}
2342		3225
		3226	sub post_cleanup {
		3227	my ($make_core) = @_;
		3228
		3229	warn Carp::longmess "post_cleanup backtrace"
		3230	if $make_core;
		3231	}
		3232
2343	sub reload() {	3233	sub do_reload_perl() {
2344	# can/must only be called in main	3234	# can/must only be called in main
2345	if ($Coro::current != $Coro::main) {	3235	if ($Coro::current != $Coro::main) {
2346	warn "can only reload from main coroutine";	3236	warn "can only reload from main coroutine";
2347	return;	3237	return;
2348	}	3238	}
2349		3239
2350	warn "reloading...";	3240	warn "reloading...";
2351		3241
2352	warn "cancelling server ticker";	3242	warn "entering sync_job";
2353	$TICK_WATCHER->cancel;
2354		3243
		3244	cf::sync_job {
		3245	cf::write_runtime; # external watchdog should not bark
2355	cf::emergency_save;	3246	cf::emergency_save;
		3247	cf::write_runtime; # external watchdog should not bark
2356		3248
2357	eval {	3249	warn "syncing database to disk";
		3250	BDB::db_env_txn_checkpoint $DB_ENV;
		3251
2358	# if anything goes wrong in here, we should simply crash as we already saved	3252	# if anything goes wrong in here, we should simply crash as we already saved
2359
2360	warn "syncing database to disk";
2361	cf::db_sync;
2362		3253
2363	warn "cancelling all WF_AUTOCANCEL watchers";	3254	warn "cancelling all WF_AUTOCANCEL watchers";
2364	for (Event::all_watchers) {	3255	for (Event::all_watchers) {
2365	$_->cancel if $_->data & WF_AUTOCANCEL;	3256	$_->cancel if $_->data & WF_AUTOCANCEL;
2366	}	3257	}
2367		3258
2368	warn "flushing outstanding aio requests";	3259	warn "flushing outstanding aio requests";
2369	for (;;) {	3260	for (;;) {
		3261	BDB::flush;
2370	IO::AIO::flush;	3262	IO::AIO::flush;
2371	Coro::cede;	3263	Coro::cede;
2372	last unless IO::AIO::nreqs;	3264	last unless IO::AIO::nreqs || BDB::nreqs;
2373	warn "iterate...";	3265	warn "iterate...";
2374	}	3266	}
		3267
		3268	++$RELOAD;
2375		3269
2376	warn "cancelling all extension coros";	3270	warn "cancelling all extension coros";
2377	$_->cancel for values %EXT_CORO;	3271	$_->cancel for values %EXT_CORO;
2378	%EXT_CORO = ();	3272	%EXT_CORO = ();
2379		3273
2380	warn "removing commands";	3274	warn "removing commands";
2381	%COMMAND = ();	3275	%COMMAND = ();
2382		3276
2383	warn "removing ext commands";	3277	warn "removing ext/exti commands";
2384	%EXTCMD = ();	3278	%EXTCMD = ();
		3279	%EXTICMD = ();
2385		3280
2386	warn "unloading/nuking all extensions";	3281	warn "unloading/nuking all extensions";
2387	for my $pkg (@EXTS) {	3282	for my $pkg (@EXTS) {
2388	warn "... unloading $pkg";	3283	warn "... unloading $pkg";
2389		3284
…		…
2419	Symbol::delete_package "safe::$_"	3314	Symbol::delete_package "safe::$_"
2420	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3315	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2421		3316
2422	warn "unloading cf.pm \"a bit\"";	3317	warn "unloading cf.pm \"a bit\"";
2423	delete $INC{"cf.pm"};	3318	delete $INC{"cf.pm"};
		3319	delete $INC{"cf/pod.pm"};
2424		3320
2425	# don't, removes xs symbols, too,	3321	# don't, removes xs symbols, too,
2426	# and global variables created in xs	3322	# and global variables created in xs
2427	#Symbol::delete_package __PACKAGE__;	3323	#Symbol::delete_package __PACKAGE__;
2428		3324
…		…
2431	warn "reloading cf.pm";	3327	warn "reloading cf.pm";
2432	require cf;	3328	require cf;
2433	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3329	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2434		3330
2435	warn "loading config and database again";	3331	warn "loading config and database again";
2436	cf::cfg_load;	3332	cf::reload_config;
2437	cf::db_load;
2438		3333
2439	warn "loading extensions";	3334	warn "loading extensions";
2440	cf::load_extensions;	3335	cf::load_extensions;
2441		3336
2442	warn "reattaching attachments to objects/players";	3337	warn "reattaching attachments to objects/players";
2443	_global_reattach;	3338	_global_reattach; # objects, sockets
2444	warn "reattaching attachments to maps";	3339	warn "reattaching attachments to maps";
2445	reattach $_ for values %MAP;	3340	reattach $_ for values %MAP;
		3341	warn "reattaching attachments to players";
		3342	reattach $_ for values %PLAYER;
2446		3343
2447	warn "restarting server ticker";	3344	warn "leaving sync_job";
2448		3345
2449	$TICK_WATCHER->start;	3346	1
2450	};	3347	} or do {
2451
2452	if ($@) {
2453	warn $@;	3348	warn $@;
2454	warn "error while reloading, exiting.";	3349	warn "error while reloading, exiting.";
2455	exit 1;	3350	exit 1;
2456	}	3351	};
2457		3352
2458	warn "reloaded";	3353	warn "reloaded";
2459	};	3354	};
2460		3355
2461	our $RELOAD_WATCHER; # used only during reload	3356	our $RELOAD_WATCHER; # used only during reload
2462		3357
		3358	sub reload_perl() {
		3359	# doing reload synchronously and two reloads happen back-to-back,
		3360	# coro crashes during coro_state_free->destroy here.
		3361
		3362	$RELOAD_WATCHER ||= Event->timer (
		3363	reentrant => 0,
		3364	after => 0,
		3365	data => WF_AUTOCANCEL,
		3366	cb => sub {
		3367	do_reload_perl;
		3368	undef $RELOAD_WATCHER;
		3369	},
		3370	);
		3371	}
		3372
2463	register_command "reload" => sub {	3373	register_command "reload" => sub {
2464	my ($who, $arg) = @_;	3374	my ($who, $arg) = @_;
2465		3375
2466	if ($who->flag (FLAG_WIZ)) {	3376	if ($who->flag (FLAG_WIZ)) {
2467	$who->message ("reloading server.");	3377	$who->message ("reloading server.");
2468		3378	async { reload_perl };
2469	# doing reload synchronously and two reloads happen back-to-back,
2470	# coro crashes during coro_state_free->destroy here.
2471
2472	$RELOAD_WATCHER ||= Event->timer (
2473	reentrant => 0,
2474	after => 0,
2475	data => WF_AUTOCANCEL,
2476	cb => sub {
2477	reload;
2478	undef $RELOAD_WATCHER;
2479	},
2480	);
2481	}	3379	}
2482	};	3380	};
2483		3381
2484	unshift @INC, $LIBDIR;	3382	unshift @INC, $LIBDIR;
2485		3383
2486	my $bug_warning = 0;	3384	my $bug_warning = 0;
2487		3385
		3386	our @WAIT_FOR_TICK;
		3387	our @WAIT_FOR_TICK_BEGIN;
		3388
		3389	sub wait_for_tick {
		3390	return unless $TICK_WATCHER->is_active;
		3391	return if $Coro::current == $Coro::main;
		3392
		3393	my $signal = new Coro::Signal;
		3394	push @WAIT_FOR_TICK, $signal;
		3395	$signal->wait;
		3396	}
		3397
		3398	sub wait_for_tick_begin {
		3399	return unless $TICK_WATCHER->is_active;
		3400	return if $Coro::current == $Coro::main;
		3401
		3402	my $signal = new Coro::Signal;
		3403	push @WAIT_FOR_TICK_BEGIN, $signal;
		3404	$signal->wait;
		3405	}
		3406
		3407	my $min = 1e6;#d#
		3408	my $avg = 10;
2488	$TICK_WATCHER = Event->timer (	3409	$TICK_WATCHER = Event->timer (
2489	reentrant => 0,	3410	reentrant => 0,
2490	parked => 1,	3411	parked => 1,
2491	prio => 0,	3412	prio => 0,
2492	at => $NEXT_TICK || $TICK,	3413	at => $NEXT_TICK || $TICK,
…		…
2496	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3417	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2497	unless ++$bug_warning > 10;	3418	unless ++$bug_warning > 10;
2498	return;	3419	return;
2499	}	3420	}
2500		3421
2501	$NOW = Event::time;	3422	$NOW = $tick_start = Event::time;
2502		3423
2503	cf::server_tick; # one server iteration	3424	cf::server_tick; # one server iteration
		3425
		3426	0 && sync_job {#d#
		3427	for(1..10) {
		3428	my $t = Event::time;
		3429	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3430	or die;
		3431
		3432	$map->width (50);
		3433	$map->height (50);
		3434	$map->alloc;
		3435	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3436	my $t = Event::time - $t;
		3437
		3438	#next unless $t < 0.0013;#d#
		3439	if ($t < $min) {
		3440	$min = $t;
		3441	}
		3442	$avg = $avg * 0.99 + $t * 0.01;
		3443	}
		3444	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3445	exit 0;
		3446	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3447	};
		3448
2504	$RUNTIME += $TICK;	3449	$RUNTIME += $TICK;
2505	$NEXT_TICK += $TICK;	3450	$NEXT_TICK += $TICK;
2506		3451
2507	$WAIT_FOR_TICK->broadcast;	3452	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2508	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3453	$NEXT_RUNTIME_WRITE = $NOW + 10;
2509		3454	Coro::async_pool {
2510	Event::sweep;	3455	write_runtime
2511	Coro::cede_notself;	3456	or warn "ERROR: unable to write runtime file: $!";
		3457	};
2512		3458	}
		3459
2513	# my $AFTER = Event::time;	3460	# my $AFTER = Event::time;
2514	# warn $AFTER - $NOW;#d#	3461	# warn $AFTER - $NOW;#d#
2515		3462
		3463	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3464	$sig->send;
		3465	}
		3466	while (my $sig = shift @WAIT_FOR_TICK) {
		3467	$sig->send;
		3468	}
		3469
		3470	$NOW = Event::time;
		3471
2516	# if we are delayed by four ticks or more, skip them all	3472	# if we are delayed by four ticks or more, skip them all
2517	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3473	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2518		3474
2519	$TICK_WATCHER->at ($NEXT_TICK);	3475	$TICK_WATCHER->at ($NEXT_TICK);
2520	$TICK_WATCHER->start;	3476	$TICK_WATCHER->start;
		3477
		3478	$LOAD = ($NOW - $tick_start) / $TICK;
		3479	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3480
		3481	_post_tick;
		3482
		3483
2521	},	3484	},
2522	);	3485	);
2523		3486
		3487	{
		3488	BDB::max_poll_time $TICK * 0.1;
		3489	$BDB_POLL_WATCHER = Event->io (
		3490	reentrant => 0,
		3491	fd => BDB::poll_fileno,
		3492	poll => 'r',
		3493	prio => 0,
		3494	data => WF_AUTOCANCEL,
		3495	cb => \&BDB::poll_cb,
		3496	);
		3497	BDB::min_parallel 8;
		3498
		3499	BDB::set_sync_prepare {
		3500	my $status;
		3501	my $current = $Coro::current;
		3502	(
		3503	sub {
		3504	$status = $!;
		3505	$current->ready; undef $current;
		3506	},
		3507	sub {
		3508	Coro::schedule while defined $current;
		3509	$! = $status;
		3510	},
		3511	)
		3512	};
		3513
		3514	unless ($DB_ENV) {
		3515	$DB_ENV = BDB::db_env_create;
		3516
		3517	cf::sync_job {
		3518	eval {
		3519	BDB::db_env_open
		3520	$DB_ENV,
		3521	$BDBDIR,
		3522	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3523	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3524	0666;
		3525
		3526	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3527
		3528	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3529	$DB_ENV->set_lk_detect;
		3530	};
		3531
		3532	cf::cleanup "db_env_open(db): $@" if $@;
		3533	};
		3534	}
		3535	}
		3536
		3537	{
		3538	IO::AIO::min_parallel 8;
		3539
		3540	undef $Coro::AIO::WATCHER;
2524	IO::AIO::max_poll_time $TICK * 0.1;	3541	IO::AIO::max_poll_time $TICK * 0.1;
2525
2526	undef $Coro::AIO::WATCHER;
2527	$AIO_POLL_WATCHER = Event->io (	3542	$AIO_POLL_WATCHER = Event->io (
2528	reentrant => 0,	3543	reentrant => 0,
		3544	data => WF_AUTOCANCEL,
2529	fd => IO::AIO::poll_fileno,	3545	fd => IO::AIO::poll_fileno,
2530	poll => 'r',	3546	poll => 'r',
2531	prio => 6,	3547	prio => 6,
2532	data => WF_AUTOCANCEL,
2533	cb => \&IO::AIO::poll_cb,	3548	cb => \&IO::AIO::poll_cb,
2534	);	3549	);
		3550	}
2535		3551
2536	$WRITE_RUNTIME_WATCHER = Event->timer (	3552	my $_log_backtrace;
2537	reentrant => 0,	3553
2538	data => WF_AUTOCANCEL,	3554	sub _log_backtrace {
2539	after => 1,	3555	my ($msg, @addr) = @_;
2540	interval => 10,	3556
2541	prio => 6, # keep it lowest so it acts like a watchdog	3557	$msg =~ s/\n//;
2542	cb => Coro::unblock_sub {	3558
2543	write_runtime	3559	# limit the # of concurrent backtraces
2544	or warn "ERROR: unable to write runtime file: $!";	3560	if ($_log_backtrace < 2) {
		3561	++$_log_backtrace;
		3562	async {
		3563	my @bt = fork_call {
		3564	@addr = map { sprintf "%x", $_ } @addr;
		3565	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3566	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3567	or die "addr2line: $!";
		3568
		3569	my @funcs;
		3570	my @res = <$fh>;
		3571	chomp for @res;
		3572	while (@res) {
		3573	my ($func, $line) = splice @res, 0, 2, ();
		3574	push @funcs, "[$func] $line";
		3575	}
		3576
		3577	@funcs
		3578	};
		3579
		3580	LOG llevInfo, "[ABT] $msg\n";
		3581	LOG llevInfo, "[ABT] $_\n" for @bt;
		3582	--$_log_backtrace;
		3583	};
		3584	} else {
		3585	LOG llevInfo, "[ABT] $msg\n";
		3586	LOG llevInfo, "[ABT] [suppressed]\n";
2545	},	3587	}
2546	);	3588	}
		3589
		3590	# load additional modules
		3591	use cf::pod;
2547		3592
2548	END { cf::emergency_save }	3593	END { cf::emergency_save }
2549		3594
2550	1	3595	1
2551		3596

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