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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.187 by root, Sat Jan 20 21:06:52 2007 UTC vs.
Revision 1.355 by root, Sun Sep 2 12:45:44 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 3.4 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our %PLAYER; # all users
60	our %MAP; # all maps	93	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	133	every server tick.
102		134
103	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
115		161
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
139		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
140	LOG llevError, $msg;	193	LOG llevError, $msg;
141	};	194	};
142	}	195	}
143		196
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		204
151	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	206	# within the Safe compartment.
153	for my $pkg (qw(	207	for my $pkg (qw(
154	cf::global cf::attachable	208	cf::global cf::attachable
…		…
162	}	216	}
163		217
164	$Event::DIED = sub {	218	$Event::DIED = sub {
165	warn "error in event callback: @_";	219	warn "error in event callback: @_";
166	};	220	};
		221
		222	#############################################################################
167		223
168	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
169		225
170	=over 4	226	=over 4
171		227
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	247	$d
192	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
193	}	249	}
194		250
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
198		252
199	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
200		254
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
209		256
210	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
211		258
212	=cut	259	=cut
213		260
214	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
216	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
218		265
219	=item cf::lock_wait $string	266	=item cf::lock_wait $string
220		267
221	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
222		269
…		…
225	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
228	returned.	275	returned.
229		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
230	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
232		286
233	=cut	287	=cut
234		288
235	our %LOCK;	289	our %LOCK;
236		290
…		…
256	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
258	}	312	}
259	}	313	}
260		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
261	sub freeze_mainloop {	321	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
263		323
264	my $guard = Coro::guard {	324	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	325	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	326	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
270	$guard	328	$guard
		329	}
		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
271	}	385	}
272		386
273	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
274		388
275	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		394
281	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
282		396
283	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
284		398
285	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
288		403
289	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
292	fast or be very important.	407	fast or be very important.
…		…
295		410
296	sub sync_job(&) {	411	sub sync_job(&) {
297	my ($job) = @_;	412	my ($job) = @_;
298		413
299	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
300	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
302		419
303	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
315		432
316	while ($busy) {	433	while ($busy) {
317	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
318	}	435	}
319		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
320	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
321	} else {	445	} else {
322	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
323		447
324	$job->()	448	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
344		468
345	$coro	469	$coro
346	}	470	}
347		471
348	sub write_runtime {	472	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		473
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
352	or return;	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
353		478
354	my $value = $cf::RUNTIME + 90 + 10;	479	=cut
355	# 10 is the runtime save interval, for a monotonic clock
356	# 60 allows for the watchdog to kill the server.
357		480
358	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	sub fork_call(&@) {
359	and return;	482	my ($cb, @args) = @_;
360		483
361	aio_fsync $fh	484	# we seemingly have to make a local copy of the whole thing,
362	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (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
…		…
750	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
751		1014
752	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
754	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
756	close $fh;	1019	close $fh;
757		1020
758	if (@$objs) {	1021	if (@$objs) {
759	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
761	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
762	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
763	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1027	close $fh;
765	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
766	}	1029	}
767	} else {	1030	} else {
768	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
800	or return;	1063	or return;
801	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
802	}	1065	}
803		1066
804	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
805	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
806	return ($data, $av);	1069	return ($data, $av);
807	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
808		1077
809	#############################################################################	1078	#############################################################################
810	# command handling &c	1079	# command handling &c
811		1080
812	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1095	}
827		1096
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1098
830	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
831		1104
832	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
833	called.	1106	called.
834		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
835	=cut	1119	=cut
836		1120
837	sub register_extcmd {	1121	sub register_extcmd {
838	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
839		1123
840	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
841	}	1131	}
842		1132
843	cf::player->attach (	1133	cf::player->attach (
844	on_command => sub {	1134	on_command => sub {
845	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
854	cf::override;	1144	cf::override;
855	},	1145	},
856	on_extcmd => sub {	1146	on_extcmd => sub {
857	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
858		1148
859	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
860		1150
861	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
862	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
863	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
864	$pl->ext_reply ($msg->{msgid}, %reply);
865	}
866	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
867	} else {	1166	} else {
868	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
869	}	1168	}
870		1169
871	cf::override;	1170	cf::override;
872	},	1171	},
873	);	1172	);
874		1173
875	sub load_extension {
876	my ($path) = @_;
877
878	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
879	my $base = $1;
880	my $pkg = $1;
881	$pkg =~ s/[^[:word:]]/_/g;
882	$pkg = "ext::$pkg";
883
884	warn "... loading '$path' into '$pkg'\n";
885
886	open my $fh, "<:utf8", $path
887	or die "$path: $!";
888
889	my $source =
890	"package $pkg; use strict; use utf8;\n"
891	. "#line 1 \"$path\"\n{\n"
892	. (do { local $/; <$fh> })
893	. "\n};\n1";
894
895	unless (eval $source) {
896	my $msg = $@ ? "$path: $@\n"
897	: "extension disabled.\n";
898	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899	warn $@;
900	warn "mandatory extension failed to load, exiting.\n";
901	exit 1;
902	}
903	die $@;
904	}
905
906	push @EXTS, $pkg;
907	}
908
909	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
910	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
911	next unless -r $ext;	1179	next unless -r $path;
912	eval {	1180
913	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
914	1	1238	}
915	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
916	}	1244	};
917	}	1245	}
918		1246
919	#############################################################################	1247	#############################################################################
920		1248
		1249	=back
		1250
921	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
922		1252
923	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
924		1254
925	=cut	1255	=cut
…		…
937	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
938		1268
939	=cut	1269	=cut
940		1270
941	sub playerdir($) {	1271	sub playerdir($) {
942	cf::localdir	1272	"$PLAYERDIR/"
943	. "/"
944	. cf::playerdir
945	. "/"
946	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
947	}	1274	}
948		1275
949	sub path($) {	1276	sub path($) {
950	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
951		1278
952	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
953	}	1280	}
954		1281
955	sub find_active($) {	1282	sub find_active($) {
956	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
957	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
970	my $login = $_[0];	1297	my $login = $_[0];
971		1298
972	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
973		1300
974	$cf::PLAYER{$_[0]} || do {	1301	$cf::PLAYER{$_[0]} || do {
		1302	# rename old playerfiles to new ones
		1303	#TODO: remove when no longer required
		1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1307	aio_unlink +(playerdir $login) . "/$login.pl";
		1308
975	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
976	or return;	1310	or return;
977	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
978	}	1312	}
979	}	1313	}
…		…
991		1325
992	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
993	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
994		1328
995	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
996	Coro::cede;	1330	cf::cede_to_tick;
997	}	1331	}
998		1332
999	sub new($) {	1333	sub new($) {
1000	my ($login) = @_;	1334	my ($login) = @_;
1001		1335
…		…
1007	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1008		1342
1009	$self	1343	$self
1010	}	1344	}
1011		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
		1354	}
		1355
1012	=item $pl->quit_character	1356	=item $pl->quit_character
1013		1357
1014	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
1015	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1016		1360
1017	=cut	1361	=cut
1018		1362
1019	sub quit_character {	1363	sub quit_character {
1020	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1021		1367
1022	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1023	$pl->password ("*"); # this should lock out the player until we nuked the dir	1369	$pl->password ("*"); # this should lock out the player until we nuked the dir
1024		1370
1025	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1030	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1031	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1032	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1033	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1034	$pl->destroy;	1380	$pl->destroy;
		1381
		1382	my $prefix = qr<^~\Q$name\E/>;
		1383
		1384	# nuke player maps
		1385	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1386
1035	IO::AIO::aio_rmtree $temp;	1387	IO::AIO::aio_rmtree $temp;
		1388	}
		1389
		1390	=item $pl->kick
		1391
		1392	Kicks a player out of the game. This destroys the connection.
		1393
		1394	=cut
		1395
		1396	sub kick {
		1397	my ($pl, $kicker) = @_;
		1398
		1399	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1400	$pl->killer ("kicked");
		1401	$pl->ns->destroy;
1036	}	1402	}
1037		1403
1038	=item cf::player::list_logins	1404	=item cf::player::list_logins
1039		1405
1040	Returns am arrayref of all valid playernames in the system, can take a	1406	Returns am arrayref of all valid playernames in the system, can take a
1041	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1042		1408
1043	=cut	1409	=cut
1044		1410
1045	sub list_logins {	1411	sub list_logins {
1046	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1047	or return [];	1413	or return [];
1048		1414
1049	my @logins;	1415	my @logins;
1050		1416
1051	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
		1418	my $path = path $login;
		1419
		1420	# a .pst is a dead give-away for a valid player
		1421	unless (-e "$path.pst") {
1052	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1422	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1053	aio_read $fh, 0, 512, my $buf, 0 or next;	1423	aio_read $fh, 0, 512, my $buf, 0 or next;
1054	$buf !~ /^password -------------$/m or next; # official not-valid tag	1424	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1425	}
1055		1426
1056	utf8::decode $login;	1427	utf8::decode $login;
1057	push @logins, $login;	1428	push @logins, $login;
1058	}	1429	}
1059		1430
…		…
1067		1438
1068	=cut	1439	=cut
1069		1440
1070	sub maps($) {	1441	sub maps($) {
1071	my ($pl) = @_;	1442	my ($pl) = @_;
		1443
		1444	$pl = ref $pl ? $pl->ob->name : $pl;
1072		1445
1073	my $files = aio_readdir playerdir $pl	1446	my $files = aio_readdir playerdir $pl
1074	or return;	1447	or return;
1075		1448
1076	my @paths;	1449	my @paths;
…		…
1078	for (@$files) {	1451	for (@$files) {
1079	utf8::decode $_;	1452	utf8::decode $_;
1080	next if /\.(?:pl|pst)$/;	1453	next if /\.(?:pl|pst)$/;
1081	next unless /^$PATH_SEP/o;	1454	next unless /^$PATH_SEP/o;
1082		1455
1083	s/\.map$//;	1456	push @paths, cf::map::normalise "~$pl/$_";
1084	push @paths, "~" . $pl->ob->name . "/" . $_;
1085	}	1457	}
1086		1458
1087	\@paths	1459	\@paths
1088	}	1460	}
1089		1461
		1462	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1463
		1464	Expand crossfire pod fragments into protocol xml.
		1465
		1466	=cut
		1467
		1468	sub expand_cfpod {
		1469	((my $self), (local $_)) = @_;
		1470
		1471	# escape & and <
		1472	s/&/&amp;/g;
		1473	s/(?<![BIUGHT])</&lt;/g;
		1474
		1475	# this is buggy, it needs to properly take care of nested <'s
		1476
		1477	1 while
		1478	# replace B<>, I<>, U<> etc.
		1479	s/B<([^\>]*)>/<b>$1<\/b>/
		1480	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1481	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1482	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1483	# replace G<male|female> tags
		1484	|| s{G<([^>|]*)\|([^>]*)>}{
		1485	$self->gender ? $2 : $1
		1486	}ge
		1487	# replace H<hint text>
		1488	|| s{H<([^\>]*)>}
		1489	{
		1490	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1491	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1492	"")
		1493	[$self->{hintmode}]
		1494	}ge;
		1495
		1496	# create single paragraphs (very hackish)
		1497	s/(?<=\S)\n(?=\w)/ /g;
		1498
		1499	# compress some whitespace
		1500	s/\s+\n/\n/g; # ws line-ends
		1501	s/\n\n+/\n/g; # double lines
		1502	s/^\n+//; # beginning lines
		1503	s/\n+$//; # ending lines
		1504
		1505	$_
		1506	}
		1507
		1508	sub hintmode {
		1509	$_[0]{hintmode} = $_[1] if @_ > 1;
		1510	$_[0]{hintmode}
		1511	}
		1512
1090	=item $player->ext_reply ($msgid, $msgtype, %msg)	1513	=item $player->ext_reply ($msgid, @msg)
1091		1514
1092	Sends an ext reply to the player.	1515	Sends an ext reply to the player.
1093		1516
1094	=cut	1517	=cut
1095		1518
1096	sub ext_reply($$$%) {	1519	sub ext_reply($$@) {
1097	my ($self, $id, %msg) = @_;	1520	my ($self, $id, @msg) = @_;
1098		1521
1099	$msg{msgid} = $id;	1522	$self->ns->ext_reply ($id, @msg)
1100
1101	$self->send ("ext " . cf::to_json \%msg);
1102	}	1523	}
1103		1524
1104	package cf;	1525	=item $player->ext_msg ($type, @msg)
		1526
		1527	Sends an ext event to the client.
		1528
		1529	=cut
		1530
		1531	sub ext_msg($$@) {
		1532	my ($self, $type, @msg) = @_;
		1533
		1534	$self->ns->ext_msg ($type, @msg);
		1535	}
		1536
		1537	=head3 cf::region
		1538
		1539	=over 4
		1540
		1541	=cut
		1542
		1543	package cf::region;
		1544
		1545	=item cf::region::find_by_path $path
		1546
		1547	Tries to decuce the likely region for a map knowing only its path.
		1548
		1549	=cut
		1550
		1551	sub find_by_path($) {
		1552	my ($path) = @_;
		1553
		1554	my ($match, $specificity);
		1555
		1556	for my $region (list) {
		1557	if ($region->{match} && $path =~ $region->{match}) {
		1558	($match, $specificity) = ($region, $region->specificity)
		1559	if $region->specificity > $specificity;
		1560	}
		1561	}
		1562
		1563	$match
		1564	}
1105		1565
1106	=back	1566	=back
1107
1108		1567
1109	=head3 cf::map	1568	=head3 cf::map
1110		1569
1111	=over 4	1570	=over 4
1112		1571
…		…
1167	my ($self, $merge) = @_;	1626	my ($self, $merge) = @_;
1168		1627
1169	# we have to keep some variables in memory intact	1628	# we have to keep some variables in memory intact
1170	local $self->{path};	1629	local $self->{path};
1171	local $self->{load_path};	1630	local $self->{load_path};
1172	local $self->{deny_save};
1173	local $self->{deny_reset};
1174		1631
1175	$self->SUPER::thawer_merge ($merge);	1632	$self->SUPER::thawer_merge ($merge);
1176	}	1633	}
1177		1634
1178	sub normalise {	1635	sub normalise {
1179	my ($path, $base) = @_;	1636	my ($path, $base) = @_;
		1637
		1638	$path = "$path"; # make sure its a string
		1639
		1640	$path =~ s/\.map$//;
1180		1641
1181	# map plan:	1642	# map plan:
1182	#	1643	#
1183	# /! non-realised random map exit (special hack!)	1644	# /! non-realised random map exit (special hack!)
1184	# {... are special paths that are not being touched	1645	# {... are special paths that are not being touched
…		…
1221	$self->init; # pass $1 etc.	1682	$self->init; # pass $1 etc.
1222	return $self;	1683	return $self;
1223	}	1684	}
1224	}	1685	}
1225		1686
1226	Carp::carp "unable to resolve path '$path'.";	1687	Carp::cluck "unable to resolve path '$path' (base '$base').";
1227	()	1688	()
1228	}	1689	}
1229		1690
1230	sub init {	1691	sub init {
1231	my ($self) = @_;	1692	my ($self) = @_;
…		…
1246		1707
1247	# the original (read-only) location	1708	# the original (read-only) location
1248	sub load_path {	1709	sub load_path {
1249	my ($self) = @_;	1710	my ($self) = @_;
1250		1711
1251	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1712	"$MAPDIR/$self->{path}.map"
1252	}	1713	}
1253		1714
1254	# the temporary/swap location	1715	# the temporary/swap location
1255	sub save_path {	1716	sub save_path {
1256	my ($self) = @_;	1717	my ($self) = @_;
1257		1718
1258	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1719	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1720	"$TMPDIR/$path.map"
1260	}	1721	}
1261		1722
1262	# the unique path, undef == no special unique path	1723	# the unique path, undef == no special unique path
1263	sub uniq_path {	1724	sub uniq_path {
1264	my ($self) = @_;	1725	my ($self) = @_;
1265		1726
1266	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1727	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1267	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1728	"$UNIQUEDIR/$path"
1268	}	1729	}
1269		1730
1270	# and all this just because we cannot iterate over	1731	# and all this just because we cannot iterate over
1271	# all maps in C++...	1732	# all maps in C++...
1272	sub change_all_map_light {	1733	sub change_all_map_light {
…		…
1274		1735
1275	$_->change_map_light ($change)	1736	$_->change_map_light ($change)
1276	for grep $_->outdoor, values %cf::MAP;	1737	for grep $_->outdoor, values %cf::MAP;
1277	}	1738	}
1278		1739
		1740	sub decay_objects {
		1741	my ($self) = @_;
		1742
		1743	return if $self->{deny_reset};
		1744
		1745	$self->do_decay_objects;
		1746	}
		1747
1279	sub unlink_save {	1748	sub unlink_save {
1280	my ($self) = @_;	1749	my ($self) = @_;
1281		1750
1282	utf8::encode (my $save = $self->save_path);	1751	utf8::encode (my $save = $self->save_path);
1283	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1752	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1286		1755
1287	sub load_header_from($) {	1756	sub load_header_from($) {
1288	my ($self, $path) = @_;	1757	my ($self, $path) = @_;
1289		1758
1290	utf8::encode $path;	1759	utf8::encode $path;
1291	aio_open $path, O_RDONLY, 0	1760	#aio_open $path, O_RDONLY, 0
1292	or return;	1761	# or return;
1293		1762
1294	$self->_load_header ($path)	1763	$self->_load_header ($path)
1295	or return;	1764	or return;
1296		1765
1297	$self->{load_path} = $path;	1766	$self->{load_path} = $path;
1298		1767
1299	1	1768	1
1300	}	1769	}
1301		1770
1302	sub load_orig {	1771	sub load_header_orig {
1303	my ($self) = @_;	1772	my ($self) = @_;
1304		1773
1305	$self->load_header_from ($self->load_path)	1774	$self->load_header_from ($self->load_path)
1306	}	1775	}
1307		1776
1308	sub load_temp {	1777	sub load_header_temp {
1309	my ($self) = @_;	1778	my ($self) = @_;
1310		1779
1311	$self->load_header_from ($self->save_path)	1780	$self->load_header_from ($self->save_path)
		1781	}
		1782
		1783	sub prepare_temp {
		1784	my ($self) = @_;
		1785
		1786	$self->last_access ((delete $self->{last_access})
		1787	|| $cf::RUNTIME); #d#
		1788	# safety
		1789	$self->{instantiate_time} = $cf::RUNTIME
		1790	if $self->{instantiate_time} > $cf::RUNTIME;
		1791	}
		1792
		1793	sub prepare_orig {
		1794	my ($self) = @_;
		1795
		1796	$self->{load_original} = 1;
		1797	$self->{instantiate_time} = $cf::RUNTIME;
		1798	$self->last_access ($cf::RUNTIME);
		1799	$self->instantiate;
1312	}	1800	}
1313		1801
1314	sub load_header {	1802	sub load_header {
1315	my ($self) = @_;	1803	my ($self) = @_;
1316		1804
1317	if ($self->load_temp) {	1805	if ($self->load_header_temp) {
1318	$self->last_access ((delete $self->{last_access})	1806	$self->prepare_temp;
1319	|| $cf::RUNTIME); #d#
1320	# safety
1321	$self->{instantiate_time} = $cf::RUNTIME
1322	if $self->{instantiate_time} > $cf::RUNTIME;
1323	} else {	1807	} else {
1324	$self->load_orig	1808	$self->load_header_orig
1325	or return;	1809	or return;
1326		1810	$self->prepare_orig;
1327	$self->{load_original} = 1;
1328	$self->{instantiate_time} = $cf::RUNTIME;
1329	$self->last_access ($cf::RUNTIME);
1330	$self->instantiate;
1331	}	1811	}
		1812
		1813	$self->{deny_reset} = 1
		1814	if $self->no_reset;
		1815
		1816	$self->default_region (cf::region::find_by_path $self->{path})
		1817	unless $self->default_region;
1332		1818
1333	1	1819	1
1334	}	1820	}
1335		1821
1336	sub find;	1822	sub find;
…		…
1349	$map->{last_save} = $cf::RUNTIME;	1835	$map->{last_save} = $cf::RUNTIME;
1350		1836
1351	$map->load_header	1837	$map->load_header
1352	or return;	1838	or return;
1353		1839
1354	if ($map->should_reset) {	1840	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1355	# doing this can freeze the server in a sync job, obviously	1841	# doing this can freeze the server in a sync job, obviously
1356	#$cf::WAIT_FOR_TICK->wait;	1842	#$cf::WAIT_FOR_TICK->wait;
1357	$map->reset;	1843	$map->reset;
1358	undef $guard;	1844	undef $guard;
1359	$map = find $path	1845	return find $path;
1360	or return;
1361	}	1846	}
1362		1847
1363	$cf::MAP{$path} = $map	1848	$cf::MAP{$path} = $map
1364	}	1849	}
1365	}	1850	}
		1851
		1852	sub pre_load { }
		1853	sub post_load { }
1366		1854
1367	sub load {	1855	sub load {
1368	my ($self) = @_;	1856	my ($self) = @_;
1369		1857
		1858	local $self->{deny_reset} = 1; # loading can take a long time
		1859
1370	my $path = $self->{path};	1860	my $path = $self->{path};
		1861
		1862	{
		1863	my $guard1 = cf::lock_acquire "map_data:$path";
1371	my $guard = cf::lock_acquire "map_load:$path";	1864	my $guard2 = cf::lock_acquire "map_load:$path";
1372		1865
1373	return if $self->in_memory != cf::MAP_SWAPPED;	1866	return if $self->in_memory != cf::MAP_SWAPPED;
1374		1867
1375	$self->in_memory (cf::MAP_LOADING);	1868	$self->in_memory (cf::MAP_LOADING);
1376		1869
1377	$self->alloc;	1870	$self->alloc;
		1871
		1872	$self->pre_load;
		1873	cf::cede_to_tick;
		1874
1378	$self->_load_objects ($self->{load_path}, 1)	1875	$self->_load_objects ($self->{load_path}, 1)
1379	or return;	1876	or return;
1380		1877
1381	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1878	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1382	if delete $self->{load_original};	1879	if delete $self->{load_original};
1383		1880
1384	if (my $uniq = $self->uniq_path) {	1881	if (my $uniq = $self->uniq_path) {
1385	utf8::encode $uniq;	1882	utf8::encode $uniq;
1386	if (aio_open $uniq, O_RDONLY, 0) {	1883	if (aio_open $uniq, O_RDONLY, 0) {
1387	$self->clear_unique_items;	1884	$self->clear_unique_items;
1388	$self->_load_objects ($uniq, 0);	1885	$self->_load_objects ($uniq, 0);
1389	}	1886	}
1390	}	1887	}
1391		1888
1392	Coro::cede;	1889	cf::cede_to_tick;
1393
1394	# now do the right thing for maps	1890	# now do the right thing for maps
1395	$self->link_multipart_objects;	1891	$self->link_multipart_objects;
1396
1397	unless ($self->{deny_activate}) {
1398	$self->decay_objects;
1399	$self->fix_auto_apply;
1400	$self->update_buttons;
1401	Coro::cede;
1402	$self->set_darkness_map;
1403	$self->difficulty ($self->estimate_difficulty)	1892	$self->difficulty ($self->estimate_difficulty)
1404	unless $self->difficulty;	1893	unless $self->difficulty;
1405	Coro::cede;	1894	cf::cede_to_tick;
		1895
		1896	unless ($self->{deny_activate}) {
		1897	$self->decay_objects;
		1898	$self->fix_auto_apply;
		1899	$self->update_buttons;
		1900	cf::cede_to_tick;
		1901	$self->set_darkness_map;
		1902	cf::cede_to_tick;
1406	$self->activate;	1903	$self->activate;
1407	}	1904	}
1408		1905
		1906	$self->{last_save} = $cf::RUNTIME;
		1907	$self->last_access ($cf::RUNTIME);
		1908
1409	$self->in_memory (cf::MAP_IN_MEMORY);	1909	$self->in_memory (cf::MAP_IN_MEMORY);
		1910	}
		1911
		1912	$self->post_load;
1410	}	1913	}
1411		1914
1412	sub customise_for {	1915	sub customise_for {
1413	my ($self, $ob) = @_;	1916	my ($self, $ob) = @_;
1414		1917
1415	return find "~" . $ob->name . "/" . $self->{path}	1918	return find "~" . $ob->name . "/" . $self->{path}
1416	if $self->per_player;	1919	if $self->per_player;
1417		1920
		1921	# return find "?party/" . $ob->name . "/" . $self->{path}
		1922	# if $self->per_party;
		1923
1418	$self	1924	$self
1419	}	1925	}
1420		1926
1421	# find and load all maps in the 3x3 area around a map	1927	# find and load all maps in the 3x3 area around a map
1422	sub load_diag {	1928	sub load_neighbours {
1423	my ($map) = @_;	1929	my ($map) = @_;
1424		1930
1425	my @diag; # diagonal neighbours	1931	my @neigh; # diagonal neighbours
1426		1932
1427	for (0 .. 3) {	1933	for (0 .. 3) {
1428	my $neigh = $map->tile_path ($_)	1934	my $neigh = $map->tile_path ($_)
1429	or next;	1935	or next;
1430	$neigh = find $neigh, $map	1936	$neigh = find $neigh, $map
1431	or next;	1937	or next;
1432	$neigh->load;	1938	$neigh->load;
1433		1939
		1940	push @neigh,
1434	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1941	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1435	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1942	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1436	}	1943	}
1437		1944
1438	for (@diag) {	1945	for (grep defined $_->[0], @neigh) {
		1946	my ($path, $origin) = @$_;
1439	my $neigh = find @$_	1947	my $neigh = find $path, $origin
1440	or next;	1948	or next;
1441	$neigh->load;	1949	$neigh->load;
1442	}	1950	}
1443	}	1951	}
1444		1952
…		…
1449	}	1957	}
1450		1958
1451	sub do_load_sync {	1959	sub do_load_sync {
1452	my ($map) = @_;	1960	my ($map) = @_;
1453		1961
		1962	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1963	if $Coro::current == $Coro::main;
		1964
1454	cf::sync_job { $map->load };	1965	cf::sync_job { $map->load };
1455	}	1966	}
1456		1967
1457	our %MAP_PREFETCH;	1968	our %MAP_PREFETCH;
1458	our $MAP_PREFETCHER = undef;	1969	our $MAP_PREFETCHER = undef;
1459		1970
1460	sub find_async {	1971	sub find_async {
1461	my ($path, $origin) = @_;	1972	my ($path, $origin, $load) = @_;
1462		1973
1463	$path = normalise $path, $origin && $origin->{path};	1974	$path = normalise $path, $origin && $origin->{path};
1464		1975
1465	if (my $map = $cf::MAP{$path}) {	1976	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1977	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1467	}	1978	}
1468		1979
1469	undef $MAP_PREFETCH{$path};	1980	$MAP_PREFETCH{$path} |= $load;
		1981
1470	$MAP_PREFETCHER ||= cf::async {	1982	$MAP_PREFETCHER ||= cf::async {
1471	while (%MAP_PREFETCH) {	1983	while (%MAP_PREFETCH) {
1472	for my $path (keys %MAP_PREFETCH) {	1984	while (my ($k, $v) = each %MAP_PREFETCH) {
1473	my $map = find $path	1985	if (my $map = find $k) {
1474	or next;
1475	$map->load;	1986	$map->load if $v;
		1987	}
1476		1988
1477	delete $MAP_PREFETCH{$path};	1989	delete $MAP_PREFETCH{$k};
1478	}	1990	}
1479	}	1991	}
1480	undef $MAP_PREFETCHER;	1992	undef $MAP_PREFETCHER;
1481	};	1993	};
		1994	$MAP_PREFETCHER->prio (6);
1482		1995
1483	()	1996	()
1484	}	1997	}
1485		1998
1486	sub save {	1999	sub save {
1487	my ($self) = @_;	2000	my ($self) = @_;
1488		2001
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2002	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2003
1491	$self->{last_save} = $cf::RUNTIME;	2004	$self->{last_save} = $cf::RUNTIME;
1492		2005
1493	return unless $self->dirty;	2006	return unless $self->dirty;
1494		2007
…		…
1517	my ($self) = @_;	2030	my ($self) = @_;
1518		2031
1519	# save first because save cedes	2032	# save first because save cedes
1520	$self->save;	2033	$self->save;
1521		2034
1522	my $lock = cf::lock_acquire "map_data:" . $self->path;	2035	my $lock = cf::lock_acquire "map_data:$self->{path}";
1523		2036
1524	return if $self->players;	2037	return if $self->players;
1525	return if $self->in_memory != cf::MAP_IN_MEMORY;	2038	return if $self->in_memory != cf::MAP_IN_MEMORY;
1526	return if $self->{deny_save};	2039	return if $self->{deny_save};
1527		2040
…		…
1531		2044
1532	sub reset_at {	2045	sub reset_at {
1533	my ($self) = @_;	2046	my ($self) = @_;
1534		2047
1535	# TODO: safety, remove and allow resettable per-player maps	2048	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->isa ("ext::map_per_player");#d#
1537	return 1e99 if $self->{deny_reset};	2049	return 1e99 if $self->{deny_reset};
1538		2050
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2051	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2052	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		2053
…		…
1552	my ($self) = @_;	2064	my ($self) = @_;
1553		2065
1554	my $lock = cf::lock_acquire "map_data:$self->{path}";	2066	my $lock = cf::lock_acquire "map_data:$self->{path}";
1555		2067
1556	return if $self->players;	2068	return if $self->players;
1557	return if $self->isa ("ext::map_per_player");#d#
1558		2069
1559	warn "resetting map ", $self->path;#d#	2070	warn "resetting map ", $self->path;
		2071
		2072	$self->in_memory (cf::MAP_SWAPPED);
		2073
		2074	# need to save uniques path
		2075	unless ($self->{deny_save}) {
		2076	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2077
		2078	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2079	if $uniq;
		2080	}
1560		2081
1561	delete $cf::MAP{$self->path};	2082	delete $cf::MAP{$self->path};
1562		2083
1563	$self->in_memory (cf::MAP_SWAPPED);
1564	$self->clear;	2084	$self->clear;
1565		2085
1566	$_->clear_links_to ($self) for values %cf::MAP;	2086	$_->clear_links_to ($self) for values %cf::MAP;
1567		2087
1568	$self->unlink_save;	2088	$self->unlink_save;
…		…
1572	my $nuke_counter = "aaaa";	2092	my $nuke_counter = "aaaa";
1573		2093
1574	sub nuke {	2094	sub nuke {
1575	my ($self) = @_;	2095	my ($self) = @_;
1576		2096
		2097	{
		2098	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2099
1577	delete $cf::MAP{$self->path};	2100	delete $cf::MAP{$self->path};
1578		2101
1579	$self->unlink_save;	2102	$self->unlink_save;
1580		2103
1581	bless $self, "cf::map";	2104	bless $self, "cf::map";
1582	delete $self->{deny_reset};	2105	delete $self->{deny_reset};
1583	$self->{deny_save} = 1;	2106	$self->{deny_save} = 1;
1584	$self->reset_timeout (1);	2107	$self->reset_timeout (1);
1585	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2108	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1586		2109
1587	$cf::MAP{$self->path} = $self;	2110	$cf::MAP{$self->path} = $self;
		2111	}
1588		2112
1589	$self->reset; # polite request, might not happen	2113	$self->reset; # polite request, might not happen
		2114	}
		2115
		2116	=item $maps = cf::map::tmp_maps
		2117
		2118	Returns an arrayref with all map paths of currently instantiated and saved
		2119	maps. May block.
		2120
		2121	=cut
		2122
		2123	sub tmp_maps() {
		2124	[
		2125	map {
		2126	utf8::decode $_;
		2127	/\.map$/
		2128	? normalise $_
		2129	: ()
		2130	} @{ aio_readdir $TMPDIR or [] }
		2131	]
		2132	}
		2133
		2134	=item $maps = cf::map::random_maps
		2135
		2136	Returns an arrayref with all map paths of currently instantiated and saved
		2137	random maps. May block.
		2138
		2139	=cut
		2140
		2141	sub random_maps() {
		2142	[
		2143	map {
		2144	utf8::decode $_;
		2145	/\.map$/
		2146	? normalise "?random/$_"
		2147	: ()
		2148	} @{ aio_readdir $RANDOMDIR or [] }
		2149	]
1590	}	2150	}
1591		2151
1592	=item cf::map::unique_maps	2152	=item cf::map::unique_maps
1593		2153
1594	Returns an arrayref of paths of all shared maps that have	2154	Returns an arrayref of paths of all shared maps that have
1595	instantiated unique items. May block.	2155	instantiated unique items. May block.
1596		2156
1597	=cut	2157	=cut
1598		2158
1599	sub unique_maps() {	2159	sub unique_maps() {
1600	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2160	[
1601	or return;	2161	map {
1602
1603	my @paths;
1604
1605	for (@$files) {
1606	utf8::decode $_;	2162	utf8::decode $_;
1607	next if /\.pst$/;
1608	next unless /^$PATH_SEP/o;
1609
1610	s/\.map$//;	2163	/\.map$/
1611	push @paths, $_;	2164	? normalise $_
		2165	: ()
		2166	} @{ aio_readdir $UNIQUEDIR or [] }
1612	}	2167	]
1613
1614	\@paths
1615	}	2168	}
1616		2169
1617	package cf;	2170	package cf;
1618		2171
1619	=back	2172	=back
…		…
1665		2218
1666	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2219	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1667		2220
1668	if ($self->{record_replies}) {	2221	if ($self->{record_replies}) {
1669	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2222	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2223
1670	} else {	2224	} else {
		2225	my $pl = $self->contr;
		2226
		2227	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2228	my $dialog = $pl->{npc_dialog};
		2229	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2230
		2231	} else {
1671	$msg = $npc->name . " says: $msg" if $npc;	2232	$msg = $npc->name . " says: $msg" if $npc;
1672	$self->message ($msg, $flags);	2233	$self->message ($msg, $flags);
		2234	}
1673	}	2235	}
		2236	}
		2237
		2238	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2239
		2240	=cut
		2241
		2242	sub cf::object::send_msg {
		2243	my $pl = shift->contr
		2244	or return;
		2245	$pl->send_msg (@_);
1674	}	2246	}
1675		2247
1676	=item $player_object->may ("access")	2248	=item $player_object->may ("access")
1677		2249
1678	Returns wether the given player is authorized to access resource "access"	2250	Returns wether the given player is authorized to access resource "access"
…		…
1710	=cut	2282	=cut
1711		2283
1712	sub link_map {	2284	sub link_map {
1713	unless ($LINK_MAP) {	2285	unless ($LINK_MAP) {
1714	$LINK_MAP = cf::map::find "{link}"	2286	$LINK_MAP = cf::map::find "{link}"
1715	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2287	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1716	$LINK_MAP->load;	2288	$LINK_MAP->load;
1717	}	2289	}
1718		2290
1719	$LINK_MAP	2291	$LINK_MAP
1720	}	2292	}
…		…
1725	$self->deactivate_recursive;	2297	$self->deactivate_recursive;
1726		2298
1727	return if UNIVERSAL::isa $self->map, "ext::map_link";	2299	return if UNIVERSAL::isa $self->map, "ext::map_link";
1728		2300
1729	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1730	if $self->map;	2302	if $self->map && $self->map->{path} ne "{link}";
1731		2303
1732	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1733	}	2305	}
1734		2306
1735	sub cf::object::player::leave_link {	2307	sub cf::object::player::leave_link {
1736	my ($self, $map, $x, $y) = @_;	2308	my ($self, $map, $x, $y) = @_;
		2309
		2310	return unless $self->contr->active;
1737		2311
1738	my $link_pos = delete $self->{_link_pos};	2312	my $link_pos = delete $self->{_link_pos};
1739		2313
1740	unless ($map) {	2314	unless ($map) {
1741	# restore original map position	2315	# restore original map position
…		…
1755	# use -1 or undef as default coordinates, not 0, 0	2329	# use -1 or undef as default coordinates, not 0, 0
1756	($x, $y) = ($map->enter_x, $map->enter_y)	2330	($x, $y) = ($map->enter_x, $map->enter_y)
1757	if $x <=0 && $y <= 0;	2331	if $x <=0 && $y <= 0;
1758		2332
1759	$map->load;	2333	$map->load;
1760	$map->load_diag;	2334	$map->load_neighbours;
1761		2335
1762	return unless $self->contr->active;	2336	return unless $self->contr->active;
1763	$self->activate_recursive;	2337	$self->activate_recursive;
		2338
		2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1764	$self->enter_map ($map, $x, $y);	2340	$self->enter_map ($map, $x, $y);
1765	}	2341	}
1766		2342
1767	cf::player->attach (	2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1768	on_logout => sub {
1769	my ($pl) = @_;
1770		2344
1771	# abort map switching before logout	2345	Moves the player to the given map-path and coordinates by first freezing
1772	if ($pl->ob->{_link_pos}) {	2346	her, loading and preparing them map, calling the provided $check callback
1773	cf::sync_job {	2347	that has to return the map if sucecssful, and then unfreezes the player on
1774	$pl->ob->leave_link	2348	the new (success) or old (failed) map position. In either case, $done will
1775	};	2349	be called at the end of this process.
1776	}
1777	},
1778	on_login => sub {
1779	my ($pl) = @_;
1780		2350
1781	# try to abort aborted map switching on player login :)
1782	# should happen only on crashes
1783	if ($pl->ob->{_link_pos}) {
1784	$pl->ob->enter_link;
1785	(async {
1786	# we need this sleep as the login has a concurrent enter_exit running
1787	# and this sleep increases chances of the player not ending up in scorn
1788	$pl->ob->reply (undef,
1789	"There was an internal problem at your last logout, "
1790	. "the server will try to bring you to your intended destination in a second.",
1791	cf::NDI_RED);
1792	Coro::Timer::sleep 1;
1793	$pl->ob->leave_link;
1794	})->prio (2);
1795	}
1796	},
1797	);
1798
1799	=item $player_object->goto ($path, $x, $y)
1800
1801	=cut	2351	=cut
		2352
		2353	our $GOTOGEN;
1802		2354
1803	sub cf::object::player::goto {	2355	sub cf::object::player::goto {
1804	my ($self, $path, $x, $y) = @_;	2356	my ($self, $path, $x, $y, $check, $done) = @_;
		2357
		2358	# do generation counting so two concurrent goto's will be executed in-order
		2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1805		2360
1806	$self->enter_link;	2361	$self->enter_link;
1807		2362
1808	(async {	2363	(async {
		2364	my $map = eval {
1809	my $map = cf::map::find $path;	2365	my $map = cf::map::find $path;
		2366
		2367	if ($map) {
1810	$map = $map->customise_for ($self) if $map;	2368	$map = $map->customise_for ($self);
1811		2369	$map = $check->($map) if $check && $map;
1812	# warn "entering ", $map->path, " at ($x, $y)\n"	2370	} else {
1813	# if $map;
1814
1815	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2372	}
1816		2373
		2374	$map
		2375	};
		2376
		2377	if ($@) {
		2378	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2379	LOG llevError | logBacktrace, Carp::longmess $@;
		2380	}
		2381
		2382	if ($gen == $self->{_goto_generation}) {
		2383	delete $self->{_goto_generation};
1817	$self->leave_link ($map, $x, $y);	2384	$self->leave_link ($map, $x, $y);
		2385	}
		2386
		2387	$done->() if $done;
1818	})->prio (1);	2388	})->prio (1);
1819	}	2389	}
1820		2390
1821	=item $player_object->enter_exit ($exit_object)	2391	=item $player_object->enter_exit ($exit_object)
1822		2392
…		…
1851	# that depends on the exit object	2421	# that depends on the exit object
1852		2422
1853	my $rmp = parse_random_map_params $exit->msg;	2423	my $rmp = parse_random_map_params $exit->msg;
1854		2424
1855	if ($exit->map) {	2425	if ($exit->map) {
1856	$rmp->{region} = $exit->map->region_name;	2426	$rmp->{region} = $exit->region->name;
1857	$rmp->{origin_map} = $exit->map->path;	2427	$rmp->{origin_map} = $exit->map->path;
1858	$rmp->{origin_x} = $exit->x;	2428	$rmp->{origin_x} = $exit->x;
1859	$rmp->{origin_y} = $exit->y;	2429	$rmp->{origin_y} = $exit->y;
1860	}	2430	}
1861		2431
1862	$rmp->{random_seed} ||= $exit->random_seed;	2432	$rmp->{random_seed} ||= $exit->random_seed;
1863		2433
1864	my $data = cf::to_json $rmp;	2434	my $data = cf::to_json $rmp;
1865	my $md5 = Digest::MD5::md5_hex $data;	2435	my $md5 = Digest::MD5::md5_hex $data;
1866	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2436	my $meta = "$RANDOMDIR/$md5.meta";
1867		2437
1868	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1869	aio_write $fh, 0, (length $data), $data, 0;	2439	aio_write $fh, 0, (length $data), $data, 0;
1870	undef $fh;	2440	undef $fh;
1871	aio_rename "$meta~", $meta;	2441	aio_rename "$meta~", $meta;
…		…
1878	sub cf::object::player::enter_exit {	2448	sub cf::object::player::enter_exit {
1879	my ($self, $exit) = @_;	2449	my ($self, $exit) = @_;
1880		2450
1881	return unless $self->type == cf::PLAYER;	2451	return unless $self->type == cf::PLAYER;
1882		2452
		2453	if ($exit->slaying eq "/!") {
		2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2455	# the problem is that $exit might not survive long enough
		2456	# so it needs to be done right now, right here
		2457	cf::sync_job { prepare_random_map $exit };
		2458	}
		2459
		2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2461	my $hp = $exit->stats->hp;
		2462	my $sp = $exit->stats->sp;
		2463
1883	$self->enter_link;	2464	$self->enter_link;
		2465
		2466	# if exit is damned, update players death & WoR home-position
		2467	$self->contr->savebed ($slaying, $hp, $sp)
		2468	if $exit->flag (FLAG_DAMNED);
1884		2469
1885	(async {	2470	(async {
1886	$self->deactivate_recursive; # just to be sure	2471	$self->deactivate_recursive; # just to be sure
1887	unless (eval {	2472	unless (eval {
1888	prepare_random_map $exit	2473	$self->goto ($slaying, $hp, $sp);
1889	if $exit->slaying eq "/!";
1890
1891	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1892	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1893		2474
1894	1;	2475	1;
1895	}) {	2476	}) {
1896	$self->message ("Something went wrong deep within the crossfire server. "	2477	$self->message ("Something went wrong deep within the crossfire server. "
1897	. "I'll try to bring you back to the map you were before. "	2478	. "I'll try to bring you back to the map you were before. "
1898	. "Please report this to the dungeon master!",	2479	. "Please report this to the dungeon master!",
1899	cf::NDI_UNIQUE | cf::NDI_RED);	2480	cf::NDI_UNIQUE | cf::NDI_RED);
1900		2481
1901	warn "ERROR in enter_exit: $@";	2482	warn "ERROR in enter_exit: $@";
1902	$self->leave_link;	2483	$self->leave_link;
1903	}	2484	}
1904	})->prio (1);	2485	})->prio (1);
…		…
1917		2498
1918	sub cf::client::send_drawinfo {	2499	sub cf::client::send_drawinfo {
1919	my ($self, $text, $flags) = @_;	2500	my ($self, $text, $flags) = @_;
1920		2501
1921	utf8::encode $text;	2502	utf8::encode $text;
1922	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1923	}	2504	}
1924		2505
		2506	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	Send a drawinfo or msg packet to the client, formatting the msg for the
		2509	client if neccessary. C<$type> should be a string identifying the type of
		2510	the message, with C<log> being the default. If C<$color> is negative, suppress
		2511	the message unless the client supports the msg packet.
		2512
		2513	=cut
		2514
		2515	our %CHANNEL = (
		2516	"c/identify" => {
		2517	id => "identify",
		2518	title => "Identify",
		2519	reply => undef,
		2520	tooltip => "Items recently identified",
		2521	},
		2522	"c/examine" => {
		2523	id => "examine",
		2524	title => "Examine",
		2525	reply => undef,
		2526	tooltip => "Signs and other items you examined",
		2527	},
		2528	);
		2529
		2530	sub cf::client::send_msg {
		2531	my ($self, $channel, $msg, $color, @extra) = @_;
		2532
		2533	$msg = $self->pl->expand_cfpod ($msg);
		2534
		2535	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2536
		2537	# check predefined channels, for the benefit of C
		2538	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2539
		2540	if (ref $channel) {
		2541	# send meta info to client, if not yet sent
		2542	unless (exists $self->{channel}{$channel->{id}}) {
		2543	$self->{channel}{$channel->{id}} = $channel;
		2544	$self->ext_msg (channel_info => $channel)
		2545	if $self->can_msg;
		2546	}
		2547
		2548	$channel = $channel->{id};
		2549	}
		2550
		2551	return unless @extra || length $msg;
		2552
		2553	if ($self->can_msg) {
		2554	# default colour, mask it out
		2555	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2556	if $color & cf::NDI_DEF;
		2557
		2558	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2559	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2560	} else {
		2561	if ($color >= 0) {
		2562	# replace some tags by gcfclient-compatible ones
		2563	for ($msg) {
		2564	1 while
		2565	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2566	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2567	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2568	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2569	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2570	}
		2571
		2572	$color &= cf::NDI_COLOR_MASK;
		2573
		2574	utf8::encode $msg;
		2575
		2576	if (0 && $msg =~ /\[/) {
		2577	# COMMAND/INFO
		2578	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2579	} else {
		2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2581	$self->send_packet ("drawinfo $color $msg")
		2582	}
		2583	}
		2584	}
		2585	}
		2586
		2587	=item $client->ext_msg ($type, @msg)
		2588
		2589	Sends an ext event to the client.
		2590
		2591	=cut
		2592
		2593	sub cf::client::ext_msg($$@) {
		2594	my ($self, $type, @msg) = @_;
		2595
		2596	if ($self->extcmd == 2) {
		2597	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2598	} elsif ($self->extcmd == 1) { # TODO: remove
		2599	push @msg, msgtype => "event_$type";
		2600	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2601	}
		2602	}
		2603
		2604	=item $client->ext_reply ($msgid, @msg)
		2605
		2606	Sends an ext reply to the client.
		2607
		2608	=cut
		2609
		2610	sub cf::client::ext_reply($$@) {
		2611	my ($self, $id, @msg) = @_;
		2612
		2613	if ($self->extcmd == 2) {
		2614	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2615	} elsif ($self->extcmd == 1) {
		2616	#TODO: version 1, remove
		2617	unshift @msg, msgtype => "reply", msgid => $id;
		2618	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2619	}
		2620	}
1925		2621
1926	=item $success = $client->query ($flags, "text", \&cb)	2622	=item $success = $client->query ($flags, "text", \&cb)
1927		2623
1928	Queues a query to the client, calling the given callback with	2624	Queues a query to the client, calling the given callback with
1929	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2625	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1930	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2626	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1931		2627
1932	Queries can fail, so check the return code. Or don't, as queries will become	2628	Queries can fail, so check the return code. Or don't, as queries will
1933	reliable at some point in the future.	2629	become reliable at some point in the future.
1934		2630
1935	=cut	2631	=cut
1936		2632
1937	sub cf::client::query {	2633	sub cf::client::query {
1938	my ($self, $flags, $text, $cb) = @_;	2634	my ($self, $flags, $text, $cb) = @_;
…		…
1946	utf8::encode $text;	2642	utf8::encode $text;
1947	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2643	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1948		2644
1949	$self->send_packet ($self->{query_queue}[0][0])	2645	$self->send_packet ($self->{query_queue}[0][0])
1950	if @{ $self->{query_queue} } == 1;	2646	if @{ $self->{query_queue} } == 1;
		2647
		2648	1
1951	}	2649	}
1952		2650
1953	cf::client->attach (	2651	cf::client->attach (
		2652	on_connect => sub {
		2653	my ($ns) = @_;
		2654
		2655	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2656	},
1954	on_reply => sub {	2657	on_reply => sub {
1955	my ($ns, $msg) = @_;	2658	my ($ns, $msg) = @_;
1956		2659
1957	# this weird shuffling is so that direct followup queries	2660	# this weird shuffling is so that direct followup queries
1958	# get handled first	2661	# get handled first
1959	my $queue = delete $ns->{query_queue}	2662	my $queue = delete $ns->{query_queue}
1960	or return; # be conservative, not sure how that can happen, but we saw a crash here	2663	or return; # be conservative, not sure how that can happen, but we saw a crash here
1961		2664
1962	(shift @$queue)->[1]->($msg);	2665	(shift @$queue)->[1]->($msg);
		2666	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1963		2667
1964	push @{ $ns->{query_queue} }, @$queue;	2668	push @{ $ns->{query_queue} }, @$queue;
1965		2669
1966	if (@{ $ns->{query_queue} } == @$queue) {	2670	if (@{ $ns->{query_queue} } == @$queue) {
1967	if (@$queue) {	2671	if (@$queue) {
…		…
1969	} else {	2673	} else {
1970	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2674	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1971	}	2675	}
1972	}	2676	}
1973	},	2677	},
		2678	on_exticmd => sub {
		2679	my ($ns, $buf) = @_;
		2680
		2681	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2682
		2683	if (ref $msg) {
		2684	my ($type, $reply, @payload) =
		2685	"ARRAY" eq ref $msg
		2686	? @$msg
		2687	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2688
		2689	my @reply;
		2690
		2691	if (my $cb = $EXTICMD{$type}) {
		2692	@reply = $cb->($ns, @payload);
		2693	}
		2694
		2695	$ns->ext_reply ($reply, @reply)
		2696	if $reply;
		2697
		2698	} else {
		2699	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2700	}
		2701
		2702	cf::override;
		2703	},
1974	);	2704	);
1975		2705
1976	=item $client->async (\&cb)	2706	=item $client->async (\&cb)
1977		2707
1978	Create a new coroutine, running the specified callback. The coroutine will	2708	Create a new coroutine, running the specified callback. The coroutine will
…		…
2019	our $safe = new Safe "safe";	2749	our $safe = new Safe "safe";
2020	our $safe_hole = new Safe::Hole;	2750	our $safe_hole = new Safe::Hole;
2021		2751
2022	$SIG{FPE} = 'IGNORE';	2752	$SIG{FPE} = 'IGNORE';
2023		2753
2024	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2754	$safe->permit_only (Opcode::opset qw(
		2755	:base_core :base_mem :base_orig :base_math
		2756	grepstart grepwhile mapstart mapwhile
		2757	sort time
		2758	));
2025		2759
2026	# here we export the classes and methods available to script code	2760	# here we export the classes and methods available to script code
2027		2761
2028	=pod	2762	=pod
2029		2763
2030	The following fucntions and emthods are available within a safe environment:	2764	The following functions and methods are available within a safe environment:
2031		2765
2032	cf::object contr pay_amount pay_player map	2766	cf::object
		2767	contr pay_amount pay_player map x y force_find force_add
		2768	insert remove name archname title slaying race decrease_ob_nr
		2769
2033	cf::object::player player	2770	cf::object::player
2034	cf::player peaceful	2771	player
2035	cf::map trigger	2772
		2773	cf::player
		2774	peaceful
		2775
		2776	cf::map
		2777	trigger
2036		2778
2037	=cut	2779	=cut
2038		2780
2039	for (	2781	for (
2040	["cf::object" => qw(contr pay_amount pay_player map)],	2782	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2783	insert remove inv name archname title slaying race
		2784	decrease_ob_nr)],
2041	["cf::object::player" => qw(player)],	2785	["cf::object::player" => qw(player)],
2042	["cf::player" => qw(peaceful)],	2786	["cf::player" => qw(peaceful)],
2043	["cf::map" => qw(trigger)],	2787	["cf::map" => qw(trigger)],
2044	) {	2788	) {
2045	no strict 'refs';	2789	no strict 'refs';
…		…
2116	=back	2860	=back
2117		2861
2118	=cut	2862	=cut
2119		2863
2120	#############################################################################	2864	#############################################################################
		2865	# the server's init and main functions
2121		2866
2122	=head2 EXTENSION DATABASE SUPPORT	2867	sub load_facedata($) {
		2868	my ($path) = @_;
2123		2869
2124	Crossfire maintains a very simple database for extension use. It can	2870	# HACK to clear player env face cache, we need some signal framework
2125	currently store anything that can be serialised using Storable, which	2871	# for this (global event?)
2126	excludes objects.	2872	%ext::player_env::MUSIC_FACE_CACHE = ();
2127		2873
2128	The parameter C<$family> should best start with the name of the extension	2874	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2129	using it, it should be unique.
2130		2875
2131	=over 4	2876	warn "loading facedata from $path\n";
2132		2877
2133	=item $hashref = cf::db_get $family	2878	my $facedata;
		2879	0 < aio_load $path, $facedata
		2880	or die "$path: $!";
2134		2881
2135	Return a hashref for use by the extension C<$family>, which can be	2882	$facedata = Coro::Storable::thaw $facedata;
2136	modified. After modifications, you have to call C<cf::db_dirty> or
2137	C<cf::db_sync>.
2138		2883
2139	=item $value = cf::db_get $family => $key	2884	$facedata->{version} == 2
		2885	or cf::cleanup "$path: version mismatch, cannot proceed.";
2140		2886
2141	Returns a single value from the database	2887	# patch in the exptable
2142		2888	$facedata->{resource}{"res/exp_table"} = {
2143	=item cf::db_put $family => $hashref	2889	type => FT_RSRC,
2144		2890	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2145	Stores the given family hashref into the database. Updates are delayed, if
2146	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2147
2148	=item cf::db_put $family => $key => $value
2149
2150	Stores the given C<$value> in the family hash. Updates are delayed, if you
2151	want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153	=item cf::db_dirty
2154
2155	Marks the database as dirty, to be updated at a later time.
2156
2157	=item cf::db_sync
2158
2159	Immediately write the database to disk I<if it is dirty>.
2160
2161	=cut
2162
2163	our $DB;
2164
2165	{
2166	my $path = cf::localdir . "/database.pst";
2167
2168	sub db_load() {
2169	$DB = stat $path ? Storable::retrieve $path : { };
2170	}
2171
2172	my $pid;
2173
2174	sub db_save() {
2175	waitpid $pid, 0 if $pid;
2176	if (0 == ($pid = fork)) {
2177	$DB->{_meta}{version} = 1;
2178	Storable::nstore $DB, "$path~";
2179	rename "$path~", $path;
2180	cf::_exit 0 if defined $pid;
2181	}
2182	}
2183
2184	my $dirty;
2185
2186	sub db_sync() {
2187	db_save if $dirty;
2188	undef $dirty;
2189	}
2190
2191	my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2192	db_sync;
2193	});	2891	};
		2892	cf::cede_to_tick;
2194		2893
2195	sub db_dirty() {
2196	$dirty = 1;
2197	$idle->start;
2198	}	2894	{
		2895	my $faces = $facedata->{faceinfo};
2199		2896
2200	sub db_get($;$) {	2897	while (my ($face, $info) = each %$faces) {
2201	@_ >= 2	2898	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2202	? $DB->{$_[0]}{$_[1]}	2899	cf::face::set_visibility $idx, $info->{visibility};
2203	: ($DB->{$_[0]} ||= { })	2900	cf::face::set_magicmap $idx, $info->{magicmap};
2204	}	2901	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2902	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2205		2903
2206	sub db_put($$;$) {	2904	cf::cede_to_tick;
2207	if (@_ >= 3) {
2208	$DB->{$_[0]}{$_[1]} = $_[2];
2209	} else {
2210	$DB->{$_[0]} = $_[1];
2211	}
2212	db_dirty;
2213	}
2214
2215	cf::global->attach (
2216	prio => 10000,
2217	on_cleanup => sub {
2218	db_sync;
2219	},	2905	}
2220	);
2221	}
2222		2906
2223	#############################################################################	2907	while (my ($face, $info) = each %$faces) {
2224	# the server's main()	2908	next unless $info->{smooth};
		2909	my $idx = cf::face::find $face
		2910	or next;
		2911	if (my $smooth = cf::face::find $info->{smooth}) {
		2912	cf::face::set_smooth $idx, $smooth;
		2913	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2914	} else {
		2915	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2916	}
2225		2917
2226	sub cfg_load {	2918	cf::cede_to_tick;
		2919	}
		2920	}
		2921
		2922	{
		2923	my $anims = $facedata->{animinfo};
		2924
		2925	while (my ($anim, $info) = each %$anims) {
		2926	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2927	cf::cede_to_tick;
		2928	}
		2929
		2930	cf::anim::invalidate_all; # d'oh
		2931	}
		2932
		2933	{
		2934	# TODO: for gcfclient pleasure, we should give resources
		2935	# that gcfclient doesn't grok a >10000 face index.
		2936	my $res = $facedata->{resource};
		2937
		2938	my $soundconf = delete $res->{"res/sound.conf"};
		2939
		2940	while (my ($name, $info) = each %$res) {
		2941	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2942	my $data;
		2943
		2944	if ($info->{type} & 1) {
		2945	# prepend meta info
		2946
		2947	my $meta = $enc->encode ({
		2948	name => $name,
		2949	%{ $info->{meta} || {} },
		2950	});
		2951
		2952	$data = pack "(w/a*)*", $meta, $info->{data};
		2953	} else {
		2954	$data = $info->{data};
		2955	}
		2956
		2957	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2958	cf::face::set_type $idx, $info->{type};
		2959
		2960	cf::cede_to_tick;
		2961	}
		2962
		2963	if ($soundconf) {
		2964	$soundconf = $enc->decode (delete $soundconf->{data});
		2965
		2966	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2967	my $sound = $soundconf->{compat}[$_]
		2968	or next;
		2969
		2970	my $face = cf::face::find "sound/$sound->[1]";
		2971	cf::sound::set $sound->[0] => $face;
		2972	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2973	}
		2974
		2975	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2976	my $face = cf::face::find "sound/$v";
		2977	cf::sound::set $k => $face;
		2978	}
		2979	}
		2980	}
		2981
		2982	1
		2983	}
		2984
		2985	register_exticmd fx_want => sub {
		2986	my ($ns, $want) = @_;
		2987
		2988	while (my ($k, $v) = each %$want) {
		2989	$ns->fx_want ($k, $v);
		2990	}
		2991	};
		2992
		2993	sub reload_regions {
		2994	# HACK to clear player env face cache, we need some signal framework
		2995	# for this (global event?)
		2996	%ext::player_env::MUSIC_FACE_CACHE = ();
		2997
		2998	load_resource_file "$MAPDIR/regions"
		2999	or die "unable to load regions file\n";
		3000
		3001	for (cf::region::list) {
		3002	$_->{match} = qr/$_->{match}/
		3003	if exists $_->{match};
		3004	}
		3005	}
		3006
		3007	sub reload_facedata {
		3008	load_facedata "$DATADIR/facedata"
		3009	or die "unable to load facedata\n";
		3010	}
		3011
		3012	sub reload_archetypes {
		3013	load_resource_file "$DATADIR/archetypes"
		3014	or die "unable to load archetypes\n";
		3015	#d# NEED to laod twice to resolve forward references
		3016	# this really needs to be done in an extra post-pass
		3017	# (which needs to be synchronous, so solve it differently)
		3018	load_resource_file "$DATADIR/archetypes"
		3019	or die "unable to load archetypes\n";
		3020	}
		3021
		3022	sub reload_treasures {
		3023	load_resource_file "$DATADIR/treasures"
		3024	or die "unable to load treasurelists\n";
		3025	}
		3026
		3027	sub reload_resources {
		3028	warn "reloading resource files...\n";
		3029
		3030	reload_regions;
		3031	reload_facedata;
		3032	#reload_archetypes;#d#
		3033	reload_archetypes;
		3034	reload_treasures;
		3035
		3036	warn "finished reloading resource files\n";
		3037	}
		3038
		3039	sub init {
		3040	reload_resources;
		3041	}
		3042
		3043	sub reload_config {
2227	open my $fh, "<:utf8", cf::confdir . "/config"	3044	open my $fh, "<:utf8", "$CONFDIR/config"
2228	or return;	3045	or return;
2229		3046
2230	local $/;	3047	local $/;
2231	*CFG = YAML::Syck::Load <$fh>;	3048	*CFG = YAML::Syck::Load <$fh>;
2232		3049
…		…
2251	(async {	3068	(async {
2252	Event::one_event;	3069	Event::one_event;
2253	})->prio (Coro::PRIO_MAX);	3070	})->prio (Coro::PRIO_MAX);
2254	};	3071	};
2255		3072
2256	cfg_load;	3073	reload_config;
2257	db_load;	3074	db_init;
2258	load_extensions;	3075	load_extensions;
2259		3076
2260	$TICK_WATCHER->start;	3077	$TICK_WATCHER->start;
2261	Event::loop;	3078	Event::loop;
2262	}	3079	}
…		…
2266		3083
2267	# install some emergency cleanup handlers	3084	# install some emergency cleanup handlers
2268	BEGIN {	3085	BEGIN {
2269	for my $signal (qw(INT HUP TERM)) {	3086	for my $signal (qw(INT HUP TERM)) {
2270	Event->signal (	3087	Event->signal (
		3088	reentrant => 0,
2271	data => WF_AUTOCANCEL,	3089	data => WF_AUTOCANCEL,
2272	signal => $signal,	3090	signal => $signal,
		3091	prio => 0,
2273	cb => sub {	3092	cb => sub {
2274	cf::cleanup "SIG$signal";	3093	cf::cleanup "SIG$signal";
2275	},	3094	},
2276	);	3095	);
2277	}	3096	}
		3097	}
		3098
		3099	sub write_runtime {
		3100	my $runtime = "$LOCALDIR/runtime";
		3101
		3102	# first touch the runtime file to show we are still running:
		3103	# the fsync below can take a very very long time.
		3104
		3105	IO::AIO::aio_utime $runtime, undef, undef;
		3106
		3107	my $guard = cf::lock_acquire "write_runtime";
		3108
		3109	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3110	or return;
		3111
		3112	my $value = $cf::RUNTIME + 90 + 10;
		3113	# 10 is the runtime save interval, for a monotonic clock
		3114	# 60 allows for the watchdog to kill the server.
		3115
		3116	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3117	and return;
		3118
		3119	# always fsync - this file is important
		3120	aio_fsync $fh
		3121	and return;
		3122
		3123	# touch it again to show we are up-to-date
		3124	aio_utime $fh, undef, undef;
		3125
		3126	close $fh
		3127	or return;
		3128
		3129	aio_rename "$runtime~", $runtime
		3130	and return;
		3131
		3132	warn "runtime file written.\n";
		3133
		3134	1
2278	}	3135	}
2279		3136
2280	sub emergency_save() {	3137	sub emergency_save() {
2281	my $freeze_guard = cf::freeze_mainloop;	3138	my $freeze_guard = cf::freeze_mainloop;
2282		3139
…		…
2299	my $map = $cf::MAP{$path} or next;	3156	my $map = $cf::MAP{$path} or next;
2300	$map->valid or next;	3157	$map->valid or next;
2301	$map->save;	3158	$map->save;
2302	}	3159	}
2303	warn "end emergency map save\n";	3160	warn "end emergency map save\n";
		3161
		3162	warn "begin emergency database checkpoint\n";
		3163	BDB::db_env_txn_checkpoint $DB_ENV;
		3164	warn "end emergency database checkpoint\n";
2304	};	3165	};
2305		3166
2306	warn "leave emergency perl save\n";	3167	warn "leave emergency perl save\n";
2307	}	3168	}
2308		3169
		3170	sub post_cleanup {
		3171	my ($make_core) = @_;
		3172
		3173	warn Carp::longmess "post_cleanup backtrace"
		3174	if $make_core;
		3175	}
		3176
2309	sub reload() {	3177	sub do_reload_perl() {
2310	# can/must only be called in main	3178	# can/must only be called in main
2311	if ($Coro::current != $Coro::main) {	3179	if ($Coro::current != $Coro::main) {
2312	warn "can only reload from main coroutine";	3180	warn "can only reload from main coroutine";
2313	return;	3181	return;
2314	}	3182	}
2315		3183
2316	warn "reloading...";	3184	warn "reloading...";
2317		3185
2318	warn "cancelling server ticker";	3186	warn "entering sync_job";
2319	$TICK_WATCHER->cancel;
2320		3187
		3188	cf::sync_job {
		3189	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	3190	cf::emergency_save;
		3191	cf::write_runtime; # external watchdog should not bark
2322		3192
2323	eval {	3193	warn "syncing database to disk";
		3194	BDB::db_env_txn_checkpoint $DB_ENV;
		3195
2324	# if anything goes wrong in here, we should simply crash as we already saved	3196	# if anything goes wrong in here, we should simply crash as we already saved
2325
2326	warn "syncing database to disk";
2327	cf::db_sync;
2328		3197
2329	warn "cancelling all WF_AUTOCANCEL watchers";	3198	warn "cancelling all WF_AUTOCANCEL watchers";
2330	for (Event::all_watchers) {	3199	for (Event::all_watchers) {
2331	$_->cancel if $_->data & WF_AUTOCANCEL;	3200	$_->cancel if $_->data & WF_AUTOCANCEL;
2332	}	3201	}
2333		3202
2334	warn "flushing outstanding aio requests";	3203	warn "flushing outstanding aio requests";
2335	for (;;) {	3204	for (;;) {
		3205	BDB::flush;
2336	IO::AIO::flush;	3206	IO::AIO::flush;
2337	Coro::cede;	3207	Coro::cede;
2338	last unless IO::AIO::nreqs;	3208	last unless IO::AIO::nreqs || BDB::nreqs;
2339	warn "iterate...";	3209	warn "iterate...";
2340	}	3210	}
		3211
		3212	++$RELOAD;
2341		3213
2342	warn "cancelling all extension coros";	3214	warn "cancelling all extension coros";
2343	$_->cancel for values %EXT_CORO;	3215	$_->cancel for values %EXT_CORO;
2344	%EXT_CORO = ();	3216	%EXT_CORO = ();
2345		3217
2346	warn "removing commands";	3218	warn "removing commands";
2347	%COMMAND = ();	3219	%COMMAND = ();
2348		3220
2349	warn "removing ext commands";	3221	warn "removing ext/exti commands";
2350	%EXTCMD = ();	3222	%EXTCMD = ();
		3223	%EXTICMD = ();
2351		3224
2352	warn "unloading/nuking all extensions";	3225	warn "unloading/nuking all extensions";
2353	for my $pkg (@EXTS) {	3226	for my $pkg (@EXTS) {
2354	warn "... unloading $pkg";	3227	warn "... unloading $pkg";
2355		3228
…		…
2385	Symbol::delete_package "safe::$_"	3258	Symbol::delete_package "safe::$_"
2386	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3259	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2387		3260
2388	warn "unloading cf.pm \"a bit\"";	3261	warn "unloading cf.pm \"a bit\"";
2389	delete $INC{"cf.pm"};	3262	delete $INC{"cf.pm"};
		3263	delete $INC{"cf/pod.pm"};
2390		3264
2391	# don't, removes xs symbols, too,	3265	# don't, removes xs symbols, too,
2392	# and global variables created in xs	3266	# and global variables created in xs
2393	#Symbol::delete_package __PACKAGE__;	3267	#Symbol::delete_package __PACKAGE__;
2394		3268
…		…
2397	warn "reloading cf.pm";	3271	warn "reloading cf.pm";
2398	require cf;	3272	require cf;
2399	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3273	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2400		3274
2401	warn "loading config and database again";	3275	warn "loading config and database again";
2402	cf::cfg_load;	3276	cf::reload_config;
2403	cf::db_load;
2404		3277
2405	warn "loading extensions";	3278	warn "loading extensions";
2406	cf::load_extensions;	3279	cf::load_extensions;
2407		3280
2408	warn "reattaching attachments to objects/players";	3281	warn "reattaching attachments to objects/players";
2409	_global_reattach;	3282	_global_reattach; # objects, sockets
2410	warn "reattaching attachments to maps";	3283	warn "reattaching attachments to maps";
2411	reattach $_ for values %MAP;	3284	reattach $_ for values %MAP;
		3285	warn "reattaching attachments to players";
		3286	reattach $_ for values %PLAYER;
2412		3287
2413	warn "restarting server ticker";	3288	warn "leaving sync_job";
2414		3289
2415	$TICK_WATCHER->start;	3290	1
2416	};	3291	} or do {
2417
2418	if ($@) {
2419	warn $@;	3292	warn $@;
2420	warn "error while reloading, exiting.";	3293	warn "error while reloading, exiting.";
2421	exit 1;	3294	exit 1;
2422	}	3295	};
2423		3296
2424	warn "reloaded";	3297	warn "reloaded";
2425	};	3298	};
2426		3299
2427	our $RELOAD_WATCHER; # used only during reload	3300	our $RELOAD_WATCHER; # used only during reload
2428		3301
		3302	sub reload_perl() {
		3303	# doing reload synchronously and two reloads happen back-to-back,
		3304	# coro crashes during coro_state_free->destroy here.
		3305
		3306	$RELOAD_WATCHER ||= Event->timer (
		3307	reentrant => 0,
		3308	after => 0,
		3309	data => WF_AUTOCANCEL,
		3310	cb => sub {
		3311	do_reload_perl;
		3312	undef $RELOAD_WATCHER;
		3313	},
		3314	);
		3315	}
		3316
2429	register_command "reload" => sub {	3317	register_command "reload" => sub {
2430	my ($who, $arg) = @_;	3318	my ($who, $arg) = @_;
2431		3319
2432	if ($who->flag (FLAG_WIZ)) {	3320	if ($who->flag (FLAG_WIZ)) {
2433	$who->message ("reloading server.");	3321	$who->message ("reloading server.");
2434		3322	async { reload_perl };
2435	# doing reload synchronously and two reloads happen back-to-back,
2436	# coro crashes during coro_state_free->destroy here.
2437
2438	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2439	reload;
2440	undef $RELOAD_WATCHER;
2441	});
2442	}	3323	}
2443	};	3324	};
2444		3325
2445	unshift @INC, $LIBDIR;	3326	unshift @INC, $LIBDIR;
2446		3327
2447	my $bug_warning = 0;	3328	my $bug_warning = 0;
2448		3329
		3330	our @WAIT_FOR_TICK;
		3331	our @WAIT_FOR_TICK_BEGIN;
		3332
		3333	sub wait_for_tick {
		3334	return unless $TICK_WATCHER->is_active;
		3335	return if $Coro::current == $Coro::main;
		3336
		3337	my $signal = new Coro::Signal;
		3338	push @WAIT_FOR_TICK, $signal;
		3339	$signal->wait;
		3340	}
		3341
		3342	sub wait_for_tick_begin {
		3343	return unless $TICK_WATCHER->is_active;
		3344	return if $Coro::current == $Coro::main;
		3345
		3346	my $signal = new Coro::Signal;
		3347	push @WAIT_FOR_TICK_BEGIN, $signal;
		3348	$signal->wait;
		3349	}
		3350
		3351	my $min = 1e6;#d#
		3352	my $avg = 10;
2449	$TICK_WATCHER = Event->timer (	3353	$TICK_WATCHER = Event->timer (
2450	reentrant => 0,	3354	reentrant => 0,
2451	parked => 1,	3355	parked => 1,
2452	prio => 0,	3356	prio => 0,
2453	at => $NEXT_TICK || $TICK,	3357	at => $NEXT_TICK || $TICK,
…		…
2457	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3361	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2458	unless ++$bug_warning > 10;	3362	unless ++$bug_warning > 10;
2459	return;	3363	return;
2460	}	3364	}
2461		3365
2462	$NOW = Event::time;	3366	$NOW = $tick_start = Event::time;
2463		3367
2464	cf::server_tick; # one server iteration	3368	cf::server_tick; # one server iteration
		3369
		3370	0 && sync_job {#d#
		3371	for(1..10) {
		3372	my $t = Event::time;
		3373	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3374	or die;
		3375
		3376	$map->width (50);
		3377	$map->height (50);
		3378	$map->alloc;
		3379	$map->_load_objects ("/tmp/x.map", 1);
		3380	my $t = Event::time - $t;
		3381
		3382	#next unless $t < 0.0013;#d#
		3383	if ($t < $min) {
		3384	$min = $t;
		3385	}
		3386	$avg = $avg * 0.99 + $t * 0.01;
		3387	}
		3388	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3389	exit 0;
		3390	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3391	};
		3392
2465	$RUNTIME += $TICK;	3393	$RUNTIME += $TICK;
2466	$NEXT_TICK += $TICK;	3394	$NEXT_TICK += $TICK;
2467		3395
2468	$WAIT_FOR_TICK->broadcast;	3396	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2469	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3397	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3398	Coro::async_pool {
		3399	write_runtime
		3400	or warn "ERROR: unable to write runtime file: $!";
		3401	};
		3402	}
		3403
		3404	# my $AFTER = Event::time;
		3405	# warn $AFTER - $NOW;#d#
		3406
		3407	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3408	$sig->send;
		3409	}
		3410	while (my $sig = shift @WAIT_FOR_TICK) {
		3411	$sig->send;
		3412	}
		3413
		3414	$NOW = Event::time;
2470		3415
2471	# if we are delayed by four ticks or more, skip them all	3416	# if we are delayed by four ticks or more, skip them all
2472	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3417	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2473		3418
2474	$TICK_WATCHER->at ($NEXT_TICK);	3419	$TICK_WATCHER->at ($NEXT_TICK);
2475	$TICK_WATCHER->start;	3420	$TICK_WATCHER->start;
		3421
		3422	$LOAD = ($NOW - $tick_start) / $TICK;
		3423	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3424
		3425	_post_tick;
		3426
		3427
2476	},	3428	},
2477	);	3429	);
2478		3430
		3431	{
		3432	BDB::max_poll_time $TICK * 0.1;
		3433	$BDB_POLL_WATCHER = Event->io (
		3434	reentrant => 0,
		3435	fd => BDB::poll_fileno,
		3436	poll => 'r',
		3437	prio => 0,
		3438	data => WF_AUTOCANCEL,
		3439	cb => \&BDB::poll_cb,
		3440	);
		3441	BDB::min_parallel 8;
		3442
		3443	BDB::set_sync_prepare {
		3444	my $status;
		3445	my $current = $Coro::current;
		3446	(
		3447	sub {
		3448	$status = $!;
		3449	$current->ready; undef $current;
		3450	},
		3451	sub {
		3452	Coro::schedule while defined $current;
		3453	$! = $status;
		3454	},
		3455	)
		3456	};
		3457
		3458	unless ($DB_ENV) {
		3459	$DB_ENV = BDB::db_env_create;
		3460
		3461	cf::sync_job {
		3462	eval {
		3463	BDB::db_env_open
		3464	$DB_ENV,
		3465	$BDBDIR,
		3466	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3467	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3468	0666;
		3469
		3470	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3471
		3472	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3473	$DB_ENV->set_lk_detect;
		3474	};
		3475
		3476	cf::cleanup "db_env_open(db): $@" if $@;
		3477	};
		3478	}
		3479	}
		3480
		3481	{
		3482	IO::AIO::min_parallel 8;
		3483
		3484	undef $Coro::AIO::WATCHER;
2479	IO::AIO::max_poll_time $TICK * 0.2;	3485	IO::AIO::max_poll_time $TICK * 0.1;
2480
2481	$AIO_POLL_WATCHER = Event->io (	3486	$AIO_POLL_WATCHER = Event->io (
2482	fd => IO::AIO::poll_fileno,	3487	reentrant => 0,
2483	poll => 'r',
2484	prio => 5,
2485	data => WF_AUTOCANCEL,
2486	cb => \&IO::AIO::poll_cb,
2487	);
2488
2489	$WRITE_RUNTIME_WATCHER = Event->timer (
2490	data => WF_AUTOCANCEL,	3488	data => WF_AUTOCANCEL,
2491	after => 1,	3489	fd => IO::AIO::poll_fileno,
2492	interval => 10,	3490	poll => 'r',
2493	prio => 6, # keep it lowest so it acts like a watchdog	3491	prio => 6,
2494	cb => Coro::unblock_sub {	3492	cb => \&IO::AIO::poll_cb,
2495	write_runtime	3493	);
2496	or warn "ERROR: unable to write runtime file: $!";	3494	}
		3495
		3496	my $_log_backtrace;
		3497
		3498	sub _log_backtrace {
		3499	my ($msg, @addr) = @_;
		3500
		3501	$msg =~ s/\n//;
		3502
		3503	# limit the # of concurrent backtraces
		3504	if ($_log_backtrace < 2) {
		3505	++$_log_backtrace;
		3506	async {
		3507	my @bt = fork_call {
		3508	@addr = map { sprintf "%x", $_ } @addr;
		3509	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3510	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3511	or die "addr2line: $!";
		3512
		3513	my @funcs;
		3514	my @res = <$fh>;
		3515	chomp for @res;
		3516	while (@res) {
		3517	my ($func, $line) = splice @res, 0, 2, ();
		3518	push @funcs, "[$func] $line";
		3519	}
		3520
		3521	@funcs
		3522	};
		3523
		3524	LOG llevInfo, "[ABT] $msg\n";
		3525	LOG llevInfo, "[ABT] $_\n" for @bt;
		3526	--$_log_backtrace;
		3527	};
		3528	} else {
		3529	LOG llevInfo, "[ABT] $msg\n";
		3530	LOG llevInfo, "[ABT] [suppressed]\n";
2497	},	3531	}
2498	);	3532	}
		3533
		3534	# load additional modules
		3535	use cf::pod;
2499		3536
2500	END { cf::emergency_save }	3537	END { cf::emergency_save }
2501		3538
2502	1	3539	1
2503		3540

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