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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 2007 UTC vs.
Revision 1.356 by root, Tue Sep 4 05:43:21 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
24	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
27		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
28	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
29
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31		44
32	# 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?
33	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
34		47
35	$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
36		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
37	our %COMMAND = ();	52	our %COMMAND = ();
38	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
39		54
40	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
44		60
		61	our $RELOAD; # number of reloads so far
45	our @EVENT;	62	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		63
48	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(!)
49	our $TICK_WATCHER;	77	our $TICK_WATCHER;
50	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
51	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	80	our $NEXT_TICK;
53	our $NOW;	81	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		83
56	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
…		…
59	our %CFG;	87	our %CFG;
60		88
61	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	90	our $RUNTIME;
63		91
64	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		95
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $tick_start; # for load detecting purposes
		102
76	binmode STDOUT;	103	binmode STDOUT;
77	binmode STDERR;	104	binmode STDERR;
78		105
79	# read virtual server time, if available	106	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
81	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
82	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
83	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
84	}	111	}
85		112
86	mkdir cf::localdir;	113	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		115
93	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
94		117
95	sub cf::map::normalise;	118	sub cf::map::normalise;
96		119
…		…
107	=item $cf::RUNTIME	130	=item $cf::RUNTIME
108		131
109	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
110	every server tick.	133	every server tick.
111		134
112	=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
113		138
114	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		143
117	=item $cf::NOW	144	=item $cf::NOW
118		145
119	The time of the last (current) server tick.	146	The time of the last (current) server tick.
120		147
121	=item $cf::TICK	148	=item $cf::TICK
122		149
123	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.
124		161
125	=item %cf::CFG	162	=item %cf::CFG
126		163
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
128	from wherever your confdir points to.	165	from wherever your confdir points to.
129		166
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		168
132	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
133	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
134	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.
135	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.
136		178
137	=back	179	=back
138		180
139	=cut	181	=cut
140		182
141	BEGIN {	183	BEGIN {
142	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	185	my $msg = join "", @_;
144	utf8::encode $msg;
145		186
146	$msg .= "\n"	187	$msg .= "\n"
147	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
148		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
149	LOG llevError, $msg;	193	LOG llevError, $msg;
150	};	194	};
151	}	195	}
152		196
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		204
160	# 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
161	# within the Safe compartment.	206	# within the Safe compartment.
162	for my $pkg (qw(	207	for my $pkg (qw(
163	cf::global cf::attachable	208	cf::global cf::attachable
…		…
171	}	216	}
172		217
173	$Event::DIED = sub {	218	$Event::DIED = sub {
174	warn "error in event callback: @_";	219	warn "error in event callback: @_";
175	};	220	};
		221
		222	#############################################################################
176		223
177	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
178		225
179	=over 4	226	=over 4
180		227
…		…
199	$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;
200	$d	247	$d
201	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
202	}	249	}
203		250
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
207		252
208	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
209		254
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
218		256
219	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
220		258
221	=cut	259	=cut
222		260
223	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
225	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
226	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
227		265
228	=item cf::lock_wait $string	266	=item cf::lock_wait $string
229		267
230	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
231		269
…		…
234	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
235	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,
236	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
237	returned.	275	returned.
238		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
239	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
240	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.
241		286
242	=cut	287	=cut
243		288
244	our %LOCK;	289	our %LOCK;
245		290
…		…
265	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
267	}	312	}
268	}	313	}
269		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
270	sub freeze_mainloop {	321	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
272		323
273	my $guard = Coro::guard {	324	my $guard = Coro::guard {
274	$TICK_WATCHER->start;	325	$TICK_WATCHER->start;
275	$WRITE_RUNTIME_WATCHER->start;
276	};	326	};
277	$WRITE_RUNTIME_WATCHER->stop;
278	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
279	$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;
280	}	385	}
281		386
282	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
283		388
284	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		394
290	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
291		396
292	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
293		398
294	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)
295	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
296	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.
297		403
298	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
299	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
300	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
301	fast or be very important.	407	fast or be very important.
…		…
304		410
305	sub sync_job(&) {	411	sub sync_job(&) {
306	my ($job) = @_;	412	my ($job) = @_;
307		413
308	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
309	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
311		419
312	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
313	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
324		432
325	while ($busy) {	433	while ($busy) {
326	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
327	}	435	}
328		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
329	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
330	} else {	445	} else {
331	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
332		447
333	$job->()	448	$job->()
…		…
352	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
353		468
354	$coro	469	$coro
355	}	470	}
356		471
357	sub write_runtime {	472	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		473
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
361	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.
362		478
363	my $value = $cf::RUNTIME + 90 + 10;	479	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		480
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	sub fork_call(&@) {
368	and return;	482	my ($cb, @args) = @_;
369		483
370	# always fsync - this file is important	484	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	485	# otherwise perl prematurely frees the stuff :/
372	and return;	486	# TODO: investigate and fix (likely this will be rather laborious)
373		487
374	close $fh	488	my @res = Coro::Util::fork_eval {
375	or return;	489	reset_signals;
		490	&$cb
		491	}, @args;
376		492
377	aio_rename "$runtime~", $runtime	493	wantarray ? @res : $res[-1]
378	and return;	494	}
379		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	};
380	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 });
381	}	621	}
382		622
383	=back	623	=back
384		624
385	=cut	625	=cut
…		…
392	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")
393	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
394		634
395	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>
396	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
397	crossfire+).	637	Crossfire TRT).
398		638
399	=over 4	639	=over 4
400		640
401	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
402		642
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
566		806
567	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		811
572	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	813	my $pkg = shift @arg;
574		814
575	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
605	}	845	}
606		846
607	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
608	} else {	848	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	850	}
611		851
612	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
613	}	853	}
614		854
…		…
616	if (ref $_[0]) {	856	if (ref $_[0]) {
617	_object_attach @_;	857	_object_attach @_;
618	} else {	858	} else {
619	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
620	}	860	}
		861	_recalc_want;
621	};	862	};
622		863
623	# all those should be optimised	864	# all those should be optimised
624	sub cf::attachable::detach {	865	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
629	reattach ($obj);	870	reattach ($obj);
630	} else {	871	} else {
631	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
632	}	873	}
		874	_recalc_want;
633	};	875	};
634		876
635	sub cf::attachable::attached {	877	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
637		879
…		…
652	";	894	";
653	die if $@;	895	die if $@;
654	}	896	}
655		897
656	our $override;	898	our $override;
657	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?
658		900
659	sub override {	901	sub override {
660	$override = 1;	902	$override = 1;
661	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
662	}	904	}
663		905
664	sub do_invoke {	906	sub do_invoke {
665	my $event = shift;	907	my $event = shift;
666	my $callbacks = shift;	908	my $callbacks = shift;
667		909
668	@invoke_results = ();	910	@INVOKE_RESULTS = ();
669		911
670	local $override;	912	local $override;
671		913
672	for (@$callbacks) {	914	for (@$callbacks) {
673	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
690		932
691	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
692		934
693	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
694	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
695	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		938
697	=back	939	=back
698		940
699	=cut	941	=cut
700		942
701	#############################################################################	943	#############################################################################
702	# 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	}
703		956
704	sub reattach {	957	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	959	my ($obj) = @_;
707		960
…		…
751	},	1004	},
752	);	1005	);
753		1006
754	sub object_freezer_save {	1007	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1008	my ($filename, $rdata, $objs) = @_;
		1009
		1010	my $guard = cf::lock_acquire "io";
756		1011
757	sync_job {	1012	sync_job {
758	if (length $$rdata) {	1013	if (length $$rdata) {
759	warn sprintf "saving %s (%d,%d)\n",	1014	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1015	$filename, length $$rdata, scalar @$objs;
…		…
784	}	1039	}
785	} else {	1040	} else {
786	aio_unlink $filename;	1041	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1042	aio_unlink "$filename.pst";
788	}	1043	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1044	};
		1045
		1046	undef $guard;
796	}	1047	}
797		1048
798	sub object_freezer_as_string {	1049	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1050	my ($rdata, $objs) = @_;
800		1051
…		…
806	sub object_thawer_load {	1057	sub object_thawer_load {
807	my ($filename) = @_;	1058	my ($filename) = @_;
808		1059
809	my ($data, $av);	1060	my ($data, $av);
810		1061
811	#d#TODO remove .map if file does not exist	1062	my $guard = cf::lock_acquire "io";
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1063
814	(aio_load $filename, $data) >= 0	1064	(aio_load $filename, $data) >= 0
815	or return;	1065	or return;
816		1066
817	unless (aio_stat "$filename.pst") {	1067	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1068	(aio_load "$filename.pst", $av) >= 0
819	or return;	1069	or return;
		1070
		1071	undef $guard;
820	$av = eval { (Storable::thaw $av)->{objs} };	1072	$av = eval { (Storable::thaw $av)->{objs} };
821	}	1073	}
822		1074
823	warn sprintf "loading %s (%d)\n",	1075	warn sprintf "loading %s (%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1076	$filename, length $data, scalar @{$av || []};
		1077
825	return ($data, $av);	1078	($data, $av)
826	}	1079	}
		1080
		1081	=head2 COMMAND CALLBACKS
		1082
		1083	=over 4
		1084
		1085	=cut
827		1086
828	#############################################################################	1087	#############################################################################
829	# command handling &c	1088	# command handling &c
830		1089
831	=item cf::register_command $name => \&callback($ob,$args);	1090	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1103	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1104	}
846		1105
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1106	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1107
849	Register a callbackf ro execution when the client sends an extcmd packet.	1108	Register a callback for execution when the client sends an (synchronous)
		1109	extcmd packet. Ext commands will be processed in the order they are
		1110	received by the server, like other user commands. The first argument is
		1111	the logged-in player. Ext commands can only be processed after a player
		1112	has logged in successfully.
850		1113
851	If the callback returns something, it is sent back as if reply was being	1114	If the callback returns something, it is sent back as if reply was being
852	called.	1115	called.
853		1116
		1117	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1118
		1119	Register a callback for execution when the client sends an (asynchronous)
		1120	exticmd packet. Exti commands are processed by the server as soon as they
		1121	are received, i.e. out of order w.r.t. other commands. The first argument
		1122	is a client socket. Exti commands can be received anytime, even before
		1123	log-in.
		1124
		1125	If the callback returns something, it is sent back as if reply was being
		1126	called.
		1127
854	=cut	1128	=cut
855		1129
856	sub register_extcmd {	1130	sub register_extcmd {
857	my ($name, $cb) = @_;	1131	my ($name, $cb) = @_;
858		1132
859	$EXTCMD{$name} = $cb;	1133	$EXTCMD{$name} = $cb;
		1134	}
		1135
		1136	sub register_exticmd {
		1137	my ($name, $cb) = @_;
		1138
		1139	$EXTICMD{$name} = $cb;
860	}	1140	}
861		1141
862	cf::player->attach (	1142	cf::player->attach (
863	on_command => sub {	1143	on_command => sub {
864	my ($pl, $name, $params) = @_;	1144	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1153	cf::override;
874	},	1154	},
875	on_extcmd => sub {	1155	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1156	my ($pl, $buf) = @_;
877		1157
878	my $msg = eval { from_json $buf };	1158	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1159
880	if (ref $msg) {	1160	if (ref $msg) {
		1161	my ($type, $reply, @payload) =
		1162	"ARRAY" eq ref $msg
		1163	? @$msg
		1164	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1165
		1166	my @reply;
		1167
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1168	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1169	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1170	}
		1171
		1172	$pl->ext_reply ($reply, @reply)
		1173	if $reply;
		1174
886	} else {	1175	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1176	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1177	}
889		1178
890	cf::override;	1179	cf::override;
891	},	1180	},
892	);	1181	);
893		1182
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1183	sub load_extensions {
		1184	cf::sync_job {
		1185	my %todo;
		1186
929	for my $ext (<$LIBDIR/*.ext>) {	1187	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1188	next unless -r $path;
931	eval {	1189
932	load_extension $ext;	1190	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1191	my $base = $1;
		1192	my $pkg = $1;
		1193	$pkg =~ s/[^[:word:]]/_/g;
		1194	$pkg = "ext::$pkg";
		1195
		1196	open my $fh, "<:utf8", $path
		1197	or die "$path: $!";
		1198
		1199	my $source = do { local $/; <$fh> };
		1200
		1201	my %ext = (
		1202	path => $path,
		1203	base => $base,
		1204	pkg => $pkg,
		1205	);
		1206
		1207	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1208	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1209
		1210	$ext{source} =
		1211	"package $pkg; use strict; use utf8;\n"
		1212	. "#line 1 \"$path\"\n{\n"
		1213	. $source
		1214	. "\n};\n1";
		1215
		1216	$todo{$base} = \%ext;
		1217	}
		1218
		1219	my %done;
		1220	while (%todo) {
		1221	my $progress;
		1222
		1223	while (my ($k, $v) = each %todo) {
		1224	for (split /,\s*/, $v->{meta}{depends}) {
		1225	goto skip
		1226	unless exists $done{$_};
		1227	}
		1228
		1229	warn "... loading '$k' into '$v->{pkg}'\n";
		1230
		1231	unless (eval $v->{source}) {
		1232	my $msg = $@ ? "$v->{path}: $@\n"
		1233	: "$v->{base}: extension inactive.\n";
		1234
		1235	if (exists $v->{meta}{mandatory}) {
		1236	warn $msg;
		1237	warn "mandatory extension failed to load, exiting.\n";
		1238	exit 1;
		1239	}
		1240
		1241	warn $msg;
		1242	}
		1243
		1244	$done{$k} = delete $todo{$k};
		1245	push @EXTS, $v->{pkg};
		1246	$progress = 1;
933	1	1247	}
934	} or warn "$ext not loaded: $@";	1248
		1249	skip:
		1250	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1251	unless $progress;
		1252	}
935	}	1253	};
936	}	1254	}
937		1255
938	#############################################################################	1256	#############################################################################
939		1257
		1258	=back
		1259
940	=head2 CORE EXTENSIONS	1260	=head2 CORE EXTENSIONS
941		1261
942	Functions and methods that extend core crossfire objects.	1262	Functions and methods that extend core crossfire objects.
943		1263
944	=cut	1264	=cut
…		…
956	Returns the given player object, loading it if necessary (might block).	1276	Returns the given player object, loading it if necessary (might block).
957		1277
958	=cut	1278	=cut
959		1279
960	sub playerdir($) {	1280	sub playerdir($) {
961	cf::localdir	1281	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1282	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1283	}
967		1284
968	sub path($) {	1285	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1286	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1287
971	(playerdir $login) . "/$login.pl"	1288	(playerdir $login) . "/playerdata"
972	}	1289	}
973		1290
974	sub find_active($) {	1291	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1292	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1293	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1306	my $login = $_[0];
990		1307
991	my $guard = cf::lock_acquire "user_find:$login";	1308	my $guard = cf::lock_acquire "user_find:$login";
992		1309
993	$cf::PLAYER{$_[0]} || do {	1310	$cf::PLAYER{$_[0]} || do {
994	my $pl = load_pl path $login	1311	# rename old playerfiles to new ones
		1312	#TODO: remove when no longer required
		1313	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1314	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1315	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1316	aio_unlink +(playerdir $login) . "/$login.pl";
		1317
		1318	my $f = new_from_file cf::object::thawer path $login
995	or return;	1319	or return;
		1320
		1321	$f->next;
		1322	my $pl = cf::player::load_pl $f
		1323	or return;
		1324	local $cf::PLAYER_LOADING{$login} = $pl;
		1325	$f->resolve_delayed_derefs;
996	$cf::PLAYER{$login} = $pl	1326	$cf::PLAYER{$login} = $pl
997	}	1327	}
998	}	1328	}
999	}	1329	}
1000		1330
…		…
1010		1340
1011	aio_mkdir playerdir $pl, 0770;	1341	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1342	$pl->{last_save} = $cf::RUNTIME;
1013		1343
1014	$pl->save_pl ($path);	1344	$pl->save_pl ($path);
1015	Coro::cede;	1345	cf::cede_to_tick;
1016	}	1346	}
1017		1347
1018	sub new($) {	1348	sub new($) {
1019	my ($login) = @_;	1349	my ($login) = @_;
1020		1350
…		…
1026	$cf::PLAYER{$login} = $self;	1356	$cf::PLAYER{$login} = $self;
1027		1357
1028	$self	1358	$self
1029	}	1359	}
1030		1360
		1361	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1362
		1363	=cut
		1364
		1365	sub send_msg {
		1366	my $ns = shift->ns
		1367	or return;
		1368	$ns->send_msg (@_);
		1369	}
		1370
1031	=item $pl->quit_character	1371	=item $pl->quit_character
1032		1372
1033	Nukes the player without looking back. If logged in, the connection will	1373	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1374	be destroyed. May block for a long time.
1035		1375
1036	=cut	1376	=cut
1037		1377
1038	sub quit_character {	1378	sub quit_character {
1039	my ($pl) = @_;	1379	my ($pl) = @_;
		1380
		1381	my $name = $pl->ob->name;
1040		1382
1041	$pl->{deny_save} = 1;	1383	$pl->{deny_save} = 1;
1042	$pl->password ("*"); # this should lock out the player until we nuked the dir	1384	$pl->password ("*"); # this should lock out the player until we nuked the dir
1043		1385
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1049	my $path = playerdir $pl;	1391	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1392	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1393	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1394	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1395	$pl->destroy;
		1396
		1397	my $prefix = qr<^~\Q$name\E/>;
		1398
		1399	# nuke player maps
		1400	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1401
1054	IO::AIO::aio_rmtree $temp;	1402	IO::AIO::aio_rmtree $temp;
		1403	}
		1404
		1405	=item $pl->kick
		1406
		1407	Kicks a player out of the game. This destroys the connection.
		1408
		1409	=cut
		1410
		1411	sub kick {
		1412	my ($pl, $kicker) = @_;
		1413
		1414	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1415	$pl->killer ("kicked");
		1416	$pl->ns->destroy;
1055	}	1417	}
1056		1418
1057	=item cf::player::list_logins	1419	=item cf::player::list_logins
1058		1420
1059	Returns am arrayref of all valid playernames in the system, can take a	1421	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1422	while and may block, so not sync_job-capable, ever.
1061		1423
1062	=cut	1424	=cut
1063		1425
1064	sub list_logins {	1426	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1427	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1428	or return [];
1067		1429
1068	my @logins;	1430	my @logins;
1069		1431
1070	for my $login (@$dirs) {	1432	for my $login (@$dirs) {
		1433	my $path = path $login;
		1434
		1435	# a .pst is a dead give-away for a valid player
		1436	unless (-e "$path.pst") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1437	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1438	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1439	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1440	}
1074		1441
1075	utf8::decode $login;	1442	utf8::decode $login;
1076	push @logins, $login;	1443	push @logins, $login;
1077	}	1444	}
1078		1445
…		…
1105	}	1472	}
1106		1473
1107	\@paths	1474	\@paths
1108	}	1475	}
1109		1476
		1477	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1478
		1479	Expand crossfire pod fragments into protocol xml.
		1480
		1481	=cut
		1482
		1483	sub expand_cfpod {
		1484	((my $self), (local $_)) = @_;
		1485
		1486	# escape & and <
		1487	s/&/&amp;/g;
		1488	s/(?<![BIUGHT])</&lt;/g;
		1489
		1490	# this is buggy, it needs to properly take care of nested <'s
		1491
		1492	1 while
		1493	# replace B<>, I<>, U<> etc.
		1494	s/B<([^\>]*)>/<b>$1<\/b>/
		1495	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1496	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1497	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1111		1529
1112	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1113		1531
1114	=cut	1532	=cut
1115		1533
1116	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1118		1536
1119	$msg{msgid} = $id;	1537	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1538	}
1123		1539
1124	package cf;	1540	=item $player->ext_msg ($type, @msg)
		1541
		1542	Sends an ext event to the client.
		1543
		1544	=cut
		1545
		1546	sub ext_msg($$@) {
		1547	my ($self, $type, @msg) = @_;
		1548
		1549	$self->ns->ext_msg ($type, @msg);
		1550	}
		1551
		1552	=head3 cf::region
		1553
		1554	=over 4
		1555
		1556	=cut
		1557
		1558	package cf::region;
		1559
		1560	=item cf::region::find_by_path $path
		1561
		1562	Tries to decuce the likely region for a map knowing only its path.
		1563
		1564	=cut
		1565
		1566	sub find_by_path($) {
		1567	my ($path) = @_;
		1568
		1569	my ($match, $specificity);
		1570
		1571	for my $region (list) {
		1572	if ($region->{match} && $path =~ $region->{match}) {
		1573	($match, $specificity) = ($region, $region->specificity)
		1574	if $region->specificity > $specificity;
		1575	}
		1576	}
		1577
		1578	$match
		1579	}
1125		1580
1126	=back	1581	=back
1127
1128		1582
1129	=head3 cf::map	1583	=head3 cf::map
1130		1584
1131	=over 4	1585	=over 4
1132		1586
…		…
1187	my ($self, $merge) = @_;	1641	my ($self, $merge) = @_;
1188		1642
1189	# we have to keep some variables in memory intact	1643	# we have to keep some variables in memory intact
1190	local $self->{path};	1644	local $self->{path};
1191	local $self->{load_path};	1645	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1646
1195	$self->SUPER::thawer_merge ($merge);	1647	$self->SUPER::thawer_merge ($merge);
1196	}	1648	}
1197		1649
1198	sub normalise {	1650	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1697	$self->init; # pass $1 etc.
1246	return $self;	1698	return $self;
1247	}	1699	}
1248	}	1700	}
1249		1701
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1702	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1703	()
1252	}	1704	}
1253		1705
1254	sub init {	1706	sub init {
1255	my ($self) = @_;	1707	my ($self) = @_;
…		…
1270		1722
1271	# the original (read-only) location	1723	# the original (read-only) location
1272	sub load_path {	1724	sub load_path {
1273	my ($self) = @_;	1725	my ($self) = @_;
1274		1726
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1727	"$MAPDIR/$self->{path}.map"
1276	}	1728	}
1277		1729
1278	# the temporary/swap location	1730	# the temporary/swap location
1279	sub save_path {	1731	sub save_path {
1280	my ($self) = @_;	1732	my ($self) = @_;
1281		1733
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1734	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1735	"$TMPDIR/$path.map"
1284	}	1736	}
1285		1737
1286	# the unique path, undef == no special unique path	1738	# the unique path, undef == no special unique path
1287	sub uniq_path {	1739	sub uniq_path {
1288	my ($self) = @_;	1740	my ($self) = @_;
1289		1741
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1743	"$UNIQUEDIR/$path"
1292	}	1744	}
1293		1745
1294	# and all this just because we cannot iterate over	1746	# and all this just because we cannot iterate over
1295	# all maps in C++...	1747	# all maps in C++...
1296	sub change_all_map_light {	1748	sub change_all_map_light {
…		…
1298		1750
1299	$_->change_map_light ($change)	1751	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1752	for grep $_->outdoor, values %cf::MAP;
1301	}	1753	}
1302		1754
		1755	sub decay_objects {
		1756	my ($self) = @_;
		1757
		1758	return if $self->{deny_reset};
		1759
		1760	$self->do_decay_objects;
		1761	}
		1762
1303	sub unlink_save {	1763	sub unlink_save {
1304	my ($self) = @_;	1764	my ($self) = @_;
1305		1765
1306	utf8::encode (my $save = $self->save_path);	1766	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1767	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1768	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1769	}
1315		1770
1316	sub load_header_from($) {	1771	sub load_header_from($) {
1317	my ($self, $path) = @_;	1772	my ($self, $path) = @_;
1318		1773
1319	utf8::encode $path;	1774	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1775	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	or return;	1776	or return;
		1777
		1778	$self->_load_header ($f)
		1779	or return;
		1780
		1781	local $MAP_LOADING{$self->{path}} = $self;
		1782	$f->resolve_delayed_derefs;
1325		1783
1326	$self->{load_path} = $path;	1784	$self->{load_path} = $path;
1327		1785
1328	1	1786	1
1329	}	1787	}
…		…
1368	$self->load_header_orig	1826	$self->load_header_orig
1369	or return;	1827	or return;
1370	$self->prepare_orig;	1828	$self->prepare_orig;
1371	}	1829	}
1372		1830
		1831	$self->{deny_reset} = 1
		1832	if $self->no_reset;
		1833
		1834	$self->default_region (cf::region::find_by_path $self->{path})
		1835	unless $self->default_region;
		1836
1373	1	1837	1
1374	}	1838	}
1375		1839
1376	sub find;	1840	sub find;
1377	sub find {	1841	sub find {
…		…
1389	$map->{last_save} = $cf::RUNTIME;	1853	$map->{last_save} = $cf::RUNTIME;
1390		1854
1391	$map->load_header	1855	$map->load_header
1392	or return;	1856	or return;
1393		1857
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1858	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1859	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1860	#$cf::WAIT_FOR_TICK->wait;
1397	$map->reset;	1861	$map->reset;
1398	undef $guard;	1862	undef $guard;
1399	return find $path;	1863	return find $path;
…		…
1410	my ($self) = @_;	1874	my ($self) = @_;
1411		1875
1412	local $self->{deny_reset} = 1; # loading can take a long time	1876	local $self->{deny_reset} = 1; # loading can take a long time
1413		1877
1414	my $path = $self->{path};	1878	my $path = $self->{path};
		1879
		1880	{
		1881	my $guard1 = cf::lock_acquire "map_data:$path";
1415	my $guard = cf::lock_acquire "map_load:$path";	1882	my $guard2 = cf::lock_acquire "map_load:$path";
1416		1883
1417	return if $self->in_memory != cf::MAP_SWAPPED;	1884	return if $self->in_memory != cf::MAP_SWAPPED;
1418		1885
1419	$self->in_memory (cf::MAP_LOADING);	1886	$self->in_memory (cf::MAP_LOADING);
1420		1887
1421	$self->alloc;	1888	$self->alloc;
1422		1889
1423	$self->pre_load;	1890	$self->pre_load;
		1891	cf::cede_to_tick;
1424		1892
1425	$self->_load_objects ($self->{load_path}, 1)	1893	my $f = new_from_file cf::object::thawer $self->{load_path};
		1894	$f->skip_block;
		1895	$self->_load_objects ($f)
1426	or return;	1896	or return;
1427		1897
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1429	if delete $self->{load_original};	1899	if delete $self->{load_original};
1430		1900
1431	if (my $uniq = $self->uniq_path) {	1901	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	1902	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	1903	unless (aio_stat $uniq) {
		1904	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	1905	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	1906	$self->_load_objects ($f);
		1907	$f->resolve_delayed_derefs;
		1908	}
1436	}	1909	}
1437	}	1910	}
1438		1911
1439	Coro::cede;	1912	$f->resolve_delayed_derefs;
1440		1913
		1914	cf::cede_to_tick;
1441	# now do the right thing for maps	1915	# now do the right thing for maps
1442	$self->link_multipart_objects;	1916	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	1917	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	1918	unless $self->difficulty;
1452	Coro::cede;	1919	cf::cede_to_tick;
		1920
		1921	unless ($self->{deny_activate}) {
		1922	$self->decay_objects;
		1923	$self->fix_auto_apply;
		1924	$self->update_buttons;
		1925	cf::cede_to_tick;
		1926	$self->set_darkness_map;
		1927	cf::cede_to_tick;
1453	$self->activate;	1928	$self->activate;
		1929	}
		1930
		1931	$self->{last_save} = $cf::RUNTIME;
		1932	$self->last_access ($cf::RUNTIME);
		1933
		1934	$self->in_memory (cf::MAP_IN_MEMORY);
1454	}	1935	}
1455		1936
1456	$self->post_load;	1937	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	1938	}
1460		1939
1461	sub customise_for {	1940	sub customise_for {
1462	my ($self, $ob) = @_;	1941	my ($self, $ob) = @_;
1463		1942
1464	return find "~" . $ob->name . "/" . $self->{path}	1943	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	1944	if $self->per_player;
1466		1945
		1946	# return find "?party/" . $ob->name . "/" . $self->{path}
		1947	# if $self->per_party;
		1948
1467	$self	1949	$self
1468	}	1950	}
1469		1951
1470	# find and load all maps in the 3x3 area around a map	1952	# find and load all maps in the 3x3 area around a map
1471	sub load_diag {	1953	sub load_neighbours {
1472	my ($map) = @_;	1954	my ($map) = @_;
1473		1955
1474	my @diag; # diagonal neighbours	1956	my @neigh; # diagonal neighbours
1475		1957
1476	for (0 .. 3) {	1958	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	1959	my $neigh = $map->tile_path ($_)
1478	or next;	1960	or next;
1479	$neigh = find $neigh, $map	1961	$neigh = find $neigh, $map
1480	or next;	1962	or next;
1481	$neigh->load;	1963	$neigh->load;
1482		1964
		1965	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1966	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1967	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	1968	}
1486		1969
1487	for (@diag) {	1970	for (grep defined $_->[0], @neigh) {
		1971	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	1972	my $neigh = find $path, $origin
1489	or next;	1973	or next;
1490	$neigh->load;	1974	$neigh->load;
1491	}	1975	}
1492	}	1976	}
1493		1977
…		…
1498	}	1982	}
1499		1983
1500	sub do_load_sync {	1984	sub do_load_sync {
1501	my ($map) = @_;	1985	my ($map) = @_;
1502		1986
		1987	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1988	if $Coro::current == $Coro::main;
		1989
1503	cf::sync_job { $map->load };	1990	cf::sync_job { $map->load };
1504	}	1991	}
1505		1992
1506	our %MAP_PREFETCH;	1993	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	1994	our $MAP_PREFETCHER = undef;
1508		1995
1509	sub find_async {	1996	sub find_async {
1510	my ($path, $origin) = @_;	1997	my ($path, $origin, $load) = @_;
1511		1998
1512	$path = normalise $path, $origin && $origin->{path};	1999	$path = normalise $path, $origin && $origin->{path};
1513		2000
1514	if (my $map = $cf::MAP{$path}) {	2001	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2002	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1516	}	2003	}
1517		2004
1518	undef $MAP_PREFETCH{$path};	2005	$MAP_PREFETCH{$path} |= $load;
		2006
1519	$MAP_PREFETCHER ||= cf::async {	2007	$MAP_PREFETCHER ||= cf::async {
1520	while (%MAP_PREFETCH) {	2008	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2009	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2010	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2011	$map->load if $v;
		2012	}
1525		2013
1526	delete $MAP_PREFETCH{$path};	2014	delete $MAP_PREFETCH{$k};
1527	}	2015	}
1528	}	2016	}
1529	undef $MAP_PREFETCHER;	2017	undef $MAP_PREFETCHER;
1530	};	2018	};
1531	$MAP_PREFETCHER->prio (6);	2019	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2022	}
1535		2023
1536	sub save {	2024	sub save {
1537	my ($self) = @_;	2025	my ($self) = @_;
1538		2026
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2027	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2028
1541	$self->{last_save} = $cf::RUNTIME;	2029	$self->{last_save} = $cf::RUNTIME;
1542		2030
1543	return unless $self->dirty;	2031	return unless $self->dirty;
1544		2032
…		…
1567	my ($self) = @_;	2055	my ($self) = @_;
1568		2056
1569	# save first because save cedes	2057	# save first because save cedes
1570	$self->save;	2058	$self->save;
1571		2059
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2061
1574	return if $self->players;	2062	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2063	return if $self->in_memory != cf::MAP_IN_MEMORY;
1576	return if $self->{deny_save};	2064	return if $self->{deny_save};
1577		2065
…		…
1581		2069
1582	sub reset_at {	2070	sub reset_at {
1583	my ($self) = @_;	2071	my ($self) = @_;
1584		2072
1585	# TODO: safety, remove and allow resettable per-player maps	2073	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2074	return 1e99 if $self->{deny_reset};
1588		2075
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2076	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2077	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1591		2078
…		…
1602	my ($self) = @_;	2089	my ($self) = @_;
1603		2090
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2091	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2092
1606	return if $self->players;	2093	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2094
1609	warn "resetting map ", $self->path;#d#	2095	warn "resetting map ", $self->path;
		2096
		2097	$self->in_memory (cf::MAP_SWAPPED);
		2098
		2099	# need to save uniques path
		2100	unless ($self->{deny_save}) {
		2101	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2102
		2103	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2104	if $uniq;
		2105	}
1610		2106
1611	delete $cf::MAP{$self->path};	2107	delete $cf::MAP{$self->path};
1612		2108
1613	$self->in_memory (cf::MAP_SWAPPED);
1614	$self->clear;	2109	$self->clear;
1615		2110
1616	$_->clear_links_to ($self) for values %cf::MAP;	2111	$_->clear_links_to ($self) for values %cf::MAP;
1617		2112
1618	$self->unlink_save;	2113	$self->unlink_save;
…		…
1622	my $nuke_counter = "aaaa";	2117	my $nuke_counter = "aaaa";
1623		2118
1624	sub nuke {	2119	sub nuke {
1625	my ($self) = @_;	2120	my ($self) = @_;
1626		2121
		2122	{
		2123	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2124
1627	delete $cf::MAP{$self->path};	2125	delete $cf::MAP{$self->path};
1628		2126
1629	$self->unlink_save;	2127	$self->unlink_save;
1630		2128
1631	bless $self, "cf::map";	2129	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2130	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2131	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2132	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2133	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2134
1637	$cf::MAP{$self->path} = $self;	2135	$cf::MAP{$self->path} = $self;
		2136	}
1638		2137
1639	$self->reset; # polite request, might not happen	2138	$self->reset; # polite request, might not happen
		2139	}
		2140
		2141	=item $maps = cf::map::tmp_maps
		2142
		2143	Returns an arrayref with all map paths of currently instantiated and saved
		2144	maps. May block.
		2145
		2146	=cut
		2147
		2148	sub tmp_maps() {
		2149	[
		2150	map {
		2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise $_
		2154	: ()
		2155	} @{ aio_readdir $TMPDIR or [] }
		2156	]
		2157	}
		2158
		2159	=item $maps = cf::map::random_maps
		2160
		2161	Returns an arrayref with all map paths of currently instantiated and saved
		2162	random maps. May block.
		2163
		2164	=cut
		2165
		2166	sub random_maps() {
		2167	[
		2168	map {
		2169	utf8::decode $_;
		2170	/\.map$/
		2171	? normalise "?random/$_"
		2172	: ()
		2173	} @{ aio_readdir $RANDOMDIR or [] }
		2174	]
1640	}	2175	}
1641		2176
1642	=item cf::map::unique_maps	2177	=item cf::map::unique_maps
1643		2178
1644	Returns an arrayref of paths of all shared maps that have	2179	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2180	instantiated unique items. May block.
1646		2181
1647	=cut	2182	=cut
1648		2183
1649	sub unique_maps() {	2184	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2185	[
1651	or return;	2186	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2187	utf8::decode $_;
1657	next if /\.pst$/;	2188	/\.map$/
1658	next unless /^$PATH_SEP/o;	2189	? normalise $_
1659		2190	: ()
1660	push @paths, cf::map::normalise $_;	2191	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2192	]
1662
1663	\@paths
1664	}	2193	}
1665		2194
1666	package cf;	2195	package cf;
1667		2196
1668	=back	2197	=back
…		…
1686	map { $_, inv_recursive_ $_->inv } @_	2215	map { $_, inv_recursive_ $_->inv } @_
1687	}	2216	}
1688		2217
1689	sub inv_recursive {	2218	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2219	inv_recursive_ inv $_[0]
		2220	}
		2221
		2222	=item $ref = $ob->ref
		2223
		2224	creates and returns a persistent reference to an objetc that can be stored as a string.
		2225
		2226	=item $ob = cf::object::deref ($refstring)
		2227
		2228	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2229	even if the object actually exists. May block.
		2230
		2231	=cut
		2232
		2233	sub deref {
		2234	my ($ref) = @_;
		2235
		2236	# temporary compatibility#TODO#remove
		2237	$ref =~ s{^<}{player/<};
		2238
		2239	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2240	my ($uuid, $name) = ($1, $2);
		2241	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2242	or return;
		2243	$pl->ob->uuid eq $uuid
		2244	or return;
		2245
		2246	$pl->ob
		2247	} else {
		2248	warn "$ref: cannot resolve object reference\n";
		2249	undef
		2250	}
1691	}	2251	}
1692		2252
1693	package cf;	2253	package cf;
1694		2254
1695	=back	2255	=back
…		…
1714		2274
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2275	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2276
1717	if ($self->{record_replies}) {	2277	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2278	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2279
1719	} else {	2280	} else {
		2281	my $pl = $self->contr;
		2282
		2283	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2284	my $dialog = $pl->{npc_dialog};
		2285	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2286
		2287	} else {
1720	$msg = $npc->name . " says: $msg" if $npc;	2288	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2289	$self->message ($msg, $flags);
		2290	}
1722	}	2291	}
		2292	}
		2293
		2294	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2295
		2296	=cut
		2297
		2298	sub cf::object::send_msg {
		2299	my $pl = shift->contr
		2300	or return;
		2301	$pl->send_msg (@_);
1723	}	2302	}
1724		2303
1725	=item $player_object->may ("access")	2304	=item $player_object->may ("access")
1726		2305
1727	Returns wether the given player is authorized to access resource "access"	2306	Returns wether the given player is authorized to access resource "access"
…		…
1774	$self->deactivate_recursive;	2353	$self->deactivate_recursive;
1775		2354
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2355	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2356
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2357	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2358	if $self->map && $self->map->{path} ne "{link}";
1780		2359
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2360	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2361	}
1783		2362
1784	sub cf::object::player::leave_link {	2363	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2364	my ($self, $map, $x, $y) = @_;
		2365
		2366	return unless $self->contr->active;
1786		2367
1787	my $link_pos = delete $self->{_link_pos};	2368	my $link_pos = delete $self->{_link_pos};
1788		2369
1789	unless ($map) {	2370	unless ($map) {
1790	# restore original map position	2371	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2385	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2386	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2387	if $x <=0 && $y <= 0;
1807		2388
1808	$map->load;	2389	$map->load;
1809	$map->load_diag;	2390	$map->load_neighbours;
1810		2391
1811	return unless $self->contr->active;	2392	return unless $self->contr->active;
1812	$self->activate_recursive;	2393	$self->activate_recursive;
		2394
		2395	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2396	$self->enter_map ($map, $x, $y);
1814	}	2397	}
1815		2398
1816	cf::player->attach (	2399	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2400
1820	# abort map switching before logout	2401	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2402	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2403	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2404	the new (success) or old (failed) map position. In either case, $done will
1824	};	2405	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2406
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2407	=cut
		2408
		2409	our $GOTOGEN;
1851		2410
1852	sub cf::object::player::goto {	2411	sub cf::object::player::goto {
1853	my ($self, $path, $x, $y) = @_;	2412	my ($self, $path, $x, $y, $check, $done) = @_;
		2413
		2414	# do generation counting so two concurrent goto's will be executed in-order
		2415	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1854		2416
1855	$self->enter_link;	2417	$self->enter_link;
1856		2418
1857	(async {	2419	(async {
1858	my $map = eval {	2420	my $map = eval {
1859	my $map = cf::map::find $path;	2421	my $map = cf::map::find $path;
		2422
		2423	if ($map) {
1860	$map = $map->customise_for ($self) if $map;	2424	$map = $map->customise_for ($self);
		2425	$map = $check->($map) if $check && $map;
		2426	} else {
		2427	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2428	}
		2429
1861	$map	2430	$map
		2431	};
		2432
		2433	if ($@) {
		2434	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2435	LOG llevError | logBacktrace, Carp::longmess $@;
1862	} or	2436	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2437
		2438	if ($gen == $self->{_goto_generation}) {
		2439	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2440	$self->leave_link ($map, $x, $y);
		2441	}
		2442
		2443	$done->() if $done;
1866	})->prio (1);	2444	})->prio (1);
1867	}	2445	}
1868		2446
1869	=item $player_object->enter_exit ($exit_object)	2447	=item $player_object->enter_exit ($exit_object)
1870		2448
…		…
1909		2487
1910	$rmp->{random_seed} ||= $exit->random_seed;	2488	$rmp->{random_seed} ||= $exit->random_seed;
1911		2489
1912	my $data = cf::to_json $rmp;	2490	my $data = cf::to_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2491	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2492	my $meta = "$RANDOMDIR/$md5.meta";
1915		2493
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2494	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2495	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2496	undef $fh;
1919	aio_rename "$meta~", $meta;	2497	aio_rename "$meta~", $meta;
…		…
1928		2506
1929	return unless $self->type == cf::PLAYER;	2507	return unless $self->type == cf::PLAYER;
1930		2508
1931	if ($exit->slaying eq "/!") {	2509	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2510	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2511	# the problem is that $exit might not survive long enough
		2512	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2513	cf::sync_job { prepare_random_map $exit };
1934	}	2514	}
1935		2515
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2516	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2517	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2518	my $sp = $exit->stats->sp;
1939		2519
1940	$self->enter_link;	2520	$self->enter_link;
		2521
		2522	# if exit is damned, update players death & WoR home-position
		2523	$self->contr->savebed ($slaying, $hp, $sp)
		2524	if $exit->flag (FLAG_DAMNED);
1941		2525
1942	(async {	2526	(async {
1943	$self->deactivate_recursive; # just to be sure	2527	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2528	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2529	$self->goto ($slaying, $hp, $sp);
1946		2530
1947	1;	2531	1;
1948	}) {	2532	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2533	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2534	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2535	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2536	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2537
1954	warn "ERROR in enter_exit: $@";	2538	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2539	$self->leave_link;
1956	}	2540	}
1957	})->prio (1);	2541	})->prio (1);
…		…
1970		2554
1971	sub cf::client::send_drawinfo {	2555	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2556	my ($self, $text, $flags) = @_;
1973		2557
1974	utf8::encode $text;	2558	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2559	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2560	}
1977		2561
		2562	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2563
		2564	Send a drawinfo or msg packet to the client, formatting the msg for the
		2565	client if neccessary. C<$type> should be a string identifying the type of
		2566	the message, with C<log> being the default. If C<$color> is negative, suppress
		2567	the message unless the client supports the msg packet.
		2568
		2569	=cut
		2570
		2571	our %CHANNEL = (
		2572	"c/identify" => {
		2573	id => "identify",
		2574	title => "Identify",
		2575	reply => undef,
		2576	tooltip => "Items recently identified",
		2577	},
		2578	"c/examine" => {
		2579	id => "examine",
		2580	title => "Examine",
		2581	reply => undef,
		2582	tooltip => "Signs and other items you examined",
		2583	},
		2584	);
		2585
		2586	sub cf::client::send_msg {
		2587	my ($self, $channel, $msg, $color, @extra) = @_;
		2588
		2589	$msg = $self->pl->expand_cfpod ($msg);
		2590
		2591	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2592
		2593	# check predefined channels, for the benefit of C
		2594	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2595
		2596	if (ref $channel) {
		2597	# send meta info to client, if not yet sent
		2598	unless (exists $self->{channel}{$channel->{id}}) {
		2599	$self->{channel}{$channel->{id}} = $channel;
		2600	$self->ext_msg (channel_info => $channel)
		2601	if $self->can_msg;
		2602	}
		2603
		2604	$channel = $channel->{id};
		2605	}
		2606
		2607	return unless @extra || length $msg;
		2608
		2609	if ($self->can_msg) {
		2610	# default colour, mask it out
		2611	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2612	if $color & cf::NDI_DEF;
		2613
		2614	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2615	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2616	} else {
		2617	if ($color >= 0) {
		2618	# replace some tags by gcfclient-compatible ones
		2619	for ($msg) {
		2620	1 while
		2621	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2622	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2623	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2624	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2625	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2626	}
		2627
		2628	$color &= cf::NDI_COLOR_MASK;
		2629
		2630	utf8::encode $msg;
		2631
		2632	if (0 && $msg =~ /\[/) {
		2633	# COMMAND/INFO
		2634	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2635	} else {
		2636	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2637	$self->send_packet ("drawinfo $color $msg")
		2638	}
		2639	}
		2640	}
		2641	}
		2642
		2643	=item $client->ext_msg ($type, @msg)
		2644
		2645	Sends an ext event to the client.
		2646
		2647	=cut
		2648
		2649	sub cf::client::ext_msg($$@) {
		2650	my ($self, $type, @msg) = @_;
		2651
		2652	if ($self->extcmd == 2) {
		2653	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2654	} elsif ($self->extcmd == 1) { # TODO: remove
		2655	push @msg, msgtype => "event_$type";
		2656	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2657	}
		2658	}
		2659
		2660	=item $client->ext_reply ($msgid, @msg)
		2661
		2662	Sends an ext reply to the client.
		2663
		2664	=cut
		2665
		2666	sub cf::client::ext_reply($$@) {
		2667	my ($self, $id, @msg) = @_;
		2668
		2669	if ($self->extcmd == 2) {
		2670	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2671	} elsif ($self->extcmd == 1) {
		2672	#TODO: version 1, remove
		2673	unshift @msg, msgtype => "reply", msgid => $id;
		2674	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2675	}
		2676	}
1978		2677
1979	=item $success = $client->query ($flags, "text", \&cb)	2678	=item $success = $client->query ($flags, "text", \&cb)
1980		2679
1981	Queues a query to the client, calling the given callback with	2680	Queues a query to the client, calling the given callback with
1982	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2681	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1983	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2682	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1984		2683
1985	Queries can fail, so check the return code. Or don't, as queries will become	2684	Queries can fail, so check the return code. Or don't, as queries will
1986	reliable at some point in the future.	2685	become reliable at some point in the future.
1987		2686
1988	=cut	2687	=cut
1989		2688
1990	sub cf::client::query {	2689	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2690	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2698	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2699	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2700
2002	$self->send_packet ($self->{query_queue}[0][0])	2701	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2702	if @{ $self->{query_queue} } == 1;
		2703
		2704	1
2004	}	2705	}
2005		2706
2006	cf::client->attach (	2707	cf::client->attach (
		2708	on_connect => sub {
		2709	my ($ns) = @_;
		2710
		2711	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2712	},
2007	on_reply => sub {	2713	on_reply => sub {
2008	my ($ns, $msg) = @_;	2714	my ($ns, $msg) = @_;
2009		2715
2010	# this weird shuffling is so that direct followup queries	2716	# this weird shuffling is so that direct followup queries
2011	# get handled first	2717	# get handled first
…		…
2023	} else {	2729	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2730	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2731	}
2026	}	2732	}
2027	},	2733	},
		2734	on_exticmd => sub {
		2735	my ($ns, $buf) = @_;
		2736
		2737	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2738
		2739	if (ref $msg) {
		2740	my ($type, $reply, @payload) =
		2741	"ARRAY" eq ref $msg
		2742	? @$msg
		2743	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2744
		2745	my @reply;
		2746
		2747	if (my $cb = $EXTICMD{$type}) {
		2748	@reply = $cb->($ns, @payload);
		2749	}
		2750
		2751	$ns->ext_reply ($reply, @reply)
		2752	if $reply;
		2753
		2754	} else {
		2755	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2756	}
		2757
		2758	cf::override;
		2759	},
2028	);	2760	);
2029		2761
2030	=item $client->async (\&cb)	2762	=item $client->async (\&cb)
2031		2763
2032	Create a new coroutine, running the specified callback. The coroutine will	2764	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	2805	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	2806	our $safe_hole = new Safe::Hole;
2075		2807
2076	$SIG{FPE} = 'IGNORE';	2808	$SIG{FPE} = 'IGNORE';
2077		2809
2078	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2810	$safe->permit_only (Opcode::opset qw(
		2811	:base_core :base_mem :base_orig :base_math
		2812	grepstart grepwhile mapstart mapwhile
		2813	sort time
		2814	));
2079		2815
2080	# here we export the classes and methods available to script code	2816	# here we export the classes and methods available to script code
2081		2817
2082	=pod	2818	=pod
2083		2819
2084	The following fucntions and emthods are available within a safe environment:	2820	The following functions and methods are available within a safe environment:
2085		2821
2086	cf::object contr pay_amount pay_player map	2822	cf::object
		2823	contr pay_amount pay_player map x y force_find force_add
		2824	insert remove name archname title slaying race decrease_ob_nr
		2825
2087	cf::object::player player	2826	cf::object::player
2088	cf::player peaceful	2827	player
2089	cf::map trigger	2828
		2829	cf::player
		2830	peaceful
		2831
		2832	cf::map
		2833	trigger
2090		2834
2091	=cut	2835	=cut
2092		2836
2093	for (	2837	for (
2094	["cf::object" => qw(contr pay_amount pay_player map)],	2838	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2839	insert remove inv name archname title slaying race
		2840	decrease_ob_nr)],
2095	["cf::object::player" => qw(player)],	2841	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	2842	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	2843	["cf::map" => qw(trigger)],
2098	) {	2844	) {
2099	no strict 'refs';	2845	no strict 'refs';
…		…
2170	=back	2916	=back
2171		2917
2172	=cut	2918	=cut
2173		2919
2174	#############################################################################	2920	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	2921	# the server's init and main functions
2284		2922
2285	sub load_resources {	2923	sub load_facedata($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2924	my ($path) = @_;
		2925
		2926	# HACK to clear player env face cache, we need some signal framework
		2927	# for this (global event?)
		2928	%ext::player_env::MUSIC_FACE_CACHE = ();
		2929
		2930	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2931
		2932	warn "loading facedata from $path\n";
		2933
		2934	my $facedata;
		2935	0 < aio_load $path, $facedata
		2936	or die "$path: $!";
		2937
		2938	$facedata = Coro::Storable::thaw $facedata;
		2939
		2940	$facedata->{version} == 2
		2941	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2942
		2943	# patch in the exptable
		2944	$facedata->{resource}{"res/exp_table"} = {
		2945	type => FT_RSRC,
		2946	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2947	};
		2948	cf::cede_to_tick;
		2949
		2950	{
		2951	my $faces = $facedata->{faceinfo};
		2952
		2953	while (my ($face, $info) = each %$faces) {
		2954	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2955	cf::face::set_visibility $idx, $info->{visibility};
		2956	cf::face::set_magicmap $idx, $info->{magicmap};
		2957	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2958	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2959
		2960	cf::cede_to_tick;
		2961	}
		2962
		2963	while (my ($face, $info) = each %$faces) {
		2964	next unless $info->{smooth};
		2965	my $idx = cf::face::find $face
		2966	or next;
		2967	if (my $smooth = cf::face::find $info->{smooth}) {
		2968	cf::face::set_smooth $idx, $smooth;
		2969	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2970	} else {
		2971	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2972	}
		2973
		2974	cf::cede_to_tick;
		2975	}
		2976	}
		2977
		2978	{
		2979	my $anims = $facedata->{animinfo};
		2980
		2981	while (my ($anim, $info) = each %$anims) {
		2982	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2983	cf::cede_to_tick;
		2984	}
		2985
		2986	cf::anim::invalidate_all; # d'oh
		2987	}
		2988
		2989	{
		2990	# TODO: for gcfclient pleasure, we should give resources
		2991	# that gcfclient doesn't grok a >10000 face index.
		2992	my $res = $facedata->{resource};
		2993
		2994	my $soundconf = delete $res->{"res/sound.conf"};
		2995
		2996	while (my ($name, $info) = each %$res) {
		2997	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2998	my $data;
		2999
		3000	if ($info->{type} & 1) {
		3001	# prepend meta info
		3002
		3003	my $meta = $enc->encode ({
		3004	name => $name,
		3005	%{ $info->{meta} || {} },
		3006	});
		3007
		3008	$data = pack "(w/a*)*", $meta, $info->{data};
		3009	} else {
		3010	$data = $info->{data};
		3011	}
		3012
		3013	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3014	cf::face::set_type $idx, $info->{type};
		3015
		3016	cf::cede_to_tick;
		3017	}
		3018
		3019	if ($soundconf) {
		3020	$soundconf = $enc->decode (delete $soundconf->{data});
		3021
		3022	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3023	my $sound = $soundconf->{compat}[$_]
		3024	or next;
		3025
		3026	my $face = cf::face::find "sound/$sound->[1]";
		3027	cf::sound::set $sound->[0] => $face;
		3028	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3029	}
		3030
		3031	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3032	my $face = cf::face::find "sound/$v";
		3033	cf::sound::set $k => $face;
		3034	}
		3035	}
		3036	}
		3037
		3038	1
		3039	}
		3040
		3041	register_exticmd fx_want => sub {
		3042	my ($ns, $want) = @_;
		3043
		3044	while (my ($k, $v) = each %$want) {
		3045	$ns->fx_want ($k, $v);
		3046	}
		3047	};
		3048
		3049	sub reload_regions {
		3050	# HACK to clear player env face cache, we need some signal framework
		3051	# for this (global event?)
		3052	%ext::player_env::MUSIC_FACE_CACHE = ();
		3053
		3054	load_resource_file "$MAPDIR/regions"
2287	or die "unable to load regions file\n";#d#	3055	or die "unable to load regions file\n";
2288	}
2289		3056
2290	sub cfg_load {	3057	for (cf::region::list) {
		3058	$_->{match} = qr/$_->{match}/
		3059	if exists $_->{match};
		3060	}
		3061	}
		3062
		3063	sub reload_facedata {
		3064	load_facedata "$DATADIR/facedata"
		3065	or die "unable to load facedata\n";
		3066	}
		3067
		3068	sub reload_archetypes {
		3069	load_resource_file "$DATADIR/archetypes"
		3070	or die "unable to load archetypes\n";
		3071	#d# NEED to laod twice to resolve forward references
		3072	# this really needs to be done in an extra post-pass
		3073	# (which needs to be synchronous, so solve it differently)
		3074	load_resource_file "$DATADIR/archetypes"
		3075	or die "unable to load archetypes\n";
		3076	}
		3077
		3078	sub reload_treasures {
		3079	load_resource_file "$DATADIR/treasures"
		3080	or die "unable to load treasurelists\n";
		3081	}
		3082
		3083	sub reload_resources {
		3084	warn "reloading resource files...\n";
		3085
		3086	reload_regions;
		3087	reload_facedata;
		3088	#reload_archetypes;#d#
		3089	reload_archetypes;
		3090	reload_treasures;
		3091
		3092	warn "finished reloading resource files\n";
		3093	}
		3094
		3095	sub init {
		3096	reload_resources;
		3097	}
		3098
		3099	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3100	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3101	or return;
2293		3102
2294	local $/;	3103	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3104	*CFG = YAML::Syck::Load <$fh>;
2296		3105
…		…
2304	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3113	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2305	and die "WARNING: m(un)lockall failed: $!\n";	3114	and die "WARNING: m(un)lockall failed: $!\n";
2306	};	3115	};
2307	warn $@ if $@;	3116	warn $@ if $@;
2308	}	3117	}
2309	}
2310
2311	sub init {
2312	load_resources;
2313	}	3118	}
2314		3119
2315	sub main {	3120	sub main {
2316	# we must not ever block the main coroutine	3121	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3122	local $Coro::idle = sub {
…		…
2319	(async {	3124	(async {
2320	Event::one_event;	3125	Event::one_event;
2321	})->prio (Coro::PRIO_MAX);	3126	})->prio (Coro::PRIO_MAX);
2322	};	3127	};
2323		3128
2324	cfg_load;	3129	reload_config;
2325	db_load;	3130	db_init;
2326	load_extensions;	3131	load_extensions;
2327		3132
2328	$TICK_WATCHER->start;	3133	$TICK_WATCHER->start;
2329	Event::loop;	3134	Event::loop;
2330	}	3135	}
…		…
2345	},	3150	},
2346	);	3151	);
2347	}	3152	}
2348	}	3153	}
2349		3154
		3155	sub write_runtime {
		3156	my $runtime = "$LOCALDIR/runtime";
		3157
		3158	# first touch the runtime file to show we are still running:
		3159	# the fsync below can take a very very long time.
		3160
		3161	IO::AIO::aio_utime $runtime, undef, undef;
		3162
		3163	my $guard = cf::lock_acquire "write_runtime";
		3164
		3165	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3166	or return;
		3167
		3168	my $value = $cf::RUNTIME + 90 + 10;
		3169	# 10 is the runtime save interval, for a monotonic clock
		3170	# 60 allows for the watchdog to kill the server.
		3171
		3172	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3173	and return;
		3174
		3175	# always fsync - this file is important
		3176	aio_fsync $fh
		3177	and return;
		3178
		3179	# touch it again to show we are up-to-date
		3180	aio_utime $fh, undef, undef;
		3181
		3182	close $fh
		3183	or return;
		3184
		3185	aio_rename "$runtime~", $runtime
		3186	and return;
		3187
		3188	warn "runtime file written.\n";
		3189
		3190	1
		3191	}
		3192
2350	sub emergency_save() {	3193	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3194	my $freeze_guard = cf::freeze_mainloop;
2352		3195
2353	warn "enter emergency perl save\n";	3196	warn "enter emergency perl save\n";
2354		3197
…		…
2369	my $map = $cf::MAP{$path} or next;	3212	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3213	$map->valid or next;
2371	$map->save;	3214	$map->save;
2372	}	3215	}
2373	warn "end emergency map save\n";	3216	warn "end emergency map save\n";
		3217
		3218	warn "begin emergency database checkpoint\n";
		3219	BDB::db_env_txn_checkpoint $DB_ENV;
		3220	warn "end emergency database checkpoint\n";
2374	};	3221	};
2375		3222
2376	warn "leave emergency perl save\n";	3223	warn "leave emergency perl save\n";
2377	}	3224	}
2378		3225
		3226	sub post_cleanup {
		3227	my ($make_core) = @_;
		3228
		3229	warn Carp::longmess "post_cleanup backtrace"
		3230	if $make_core;
		3231	}
		3232
2379	sub reload() {	3233	sub do_reload_perl() {
2380	# can/must only be called in main	3234	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3235	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3236	warn "can only reload from main coroutine";
2383	return;	3237	return;
2384	}	3238	}
2385		3239
2386	warn "reloading...";	3240	warn "reloading...";
2387		3241
2388	warn "cancelling server ticker";	3242	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3243
		3244	cf::sync_job {
		3245	cf::write_runtime; # external watchdog should not bark
2391	cf::emergency_save;	3246	cf::emergency_save;
		3247	cf::write_runtime; # external watchdog should not bark
2392		3248
2393	eval {	3249	warn "syncing database to disk";
		3250	BDB::db_env_txn_checkpoint $DB_ENV;
		3251
2394	# if anything goes wrong in here, we should simply crash as we already saved	3252	# if anything goes wrong in here, we should simply crash as we already saved
2395
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398		3253
2399	warn "cancelling all WF_AUTOCANCEL watchers";	3254	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {	3255	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;	3256	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}	3257	}
2403		3258
2404	warn "flushing outstanding aio requests";	3259	warn "flushing outstanding aio requests";
2405	for (;;) {	3260	for (;;) {
		3261	BDB::flush;
2406	IO::AIO::flush;	3262	IO::AIO::flush;
2407	Coro::cede;	3263	Coro::cede;
2408	last unless IO::AIO::nreqs;	3264	last unless IO::AIO::nreqs || BDB::nreqs;
2409	warn "iterate...";	3265	warn "iterate...";
2410	}	3266	}
		3267
		3268	++$RELOAD;
2411		3269
2412	warn "cancelling all extension coros";	3270	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;	3271	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();	3272	%EXT_CORO = ();
2415		3273
2416	warn "removing commands";	3274	warn "removing commands";
2417	%COMMAND = ();	3275	%COMMAND = ();
2418		3276
2419	warn "removing ext commands";	3277	warn "removing ext/exti commands";
2420	%EXTCMD = ();	3278	%EXTCMD = ();
		3279	%EXTICMD = ();
2421		3280
2422	warn "unloading/nuking all extensions";	3281	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {	3282	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";	3283	warn "... unloading $pkg";
2425		3284
…		…
2455	Symbol::delete_package "safe::$_"	3314	Symbol::delete_package "safe::$_"
2456	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3315	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2457		3316
2458	warn "unloading cf.pm \"a bit\"";	3317	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3318	delete $INC{"cf.pm"};
		3319	delete $INC{"cf/pod.pm"};
2460		3320
2461	# don't, removes xs symbols, too,	3321	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3322	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3323	#Symbol::delete_package __PACKAGE__;
2464		3324
…		…
2467	warn "reloading cf.pm";	3327	warn "reloading cf.pm";
2468	require cf;	3328	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3329	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3330
2471	warn "loading config and database again";	3331	warn "loading config and database again";
2472	cf::cfg_load;	3332	cf::reload_config;
2473	cf::db_load;
2474		3333
2475	warn "loading extensions";	3334	warn "loading extensions";
2476	cf::load_extensions;	3335	cf::load_extensions;
2477		3336
2478	warn "reattaching attachments to objects/players";	3337	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3338	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3339	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3340	reattach $_ for values %MAP;
		3341	warn "reattaching attachments to players";
		3342	reattach $_ for values %PLAYER;
2482		3343
2483	warn "loading reloadable resources";	3344	warn "leaving sync_job";
2484	load_resources;
2485		3345
2486	warn "restarting server ticker";	3346	1
2487		3347	} or do {
2488	$TICK_WATCHER->start;
2489	};
2490
2491	if ($@) {
2492	warn $@;	3348	warn $@;
2493	warn "error while reloading, exiting.";	3349	warn "error while reloading, exiting.";
2494	exit 1;	3350	exit 1;
2495	}	3351	};
2496		3352
2497	warn "reloaded";	3353	warn "reloaded";
2498	};	3354	};
2499		3355
2500	our $RELOAD_WATCHER; # used only during reload	3356	our $RELOAD_WATCHER; # used only during reload
2501		3357
		3358	sub reload_perl() {
		3359	# doing reload synchronously and two reloads happen back-to-back,
		3360	# coro crashes during coro_state_free->destroy here.
		3361
		3362	$RELOAD_WATCHER ||= Event->timer (
		3363	reentrant => 0,
		3364	after => 0,
		3365	data => WF_AUTOCANCEL,
		3366	cb => sub {
		3367	do_reload_perl;
		3368	undef $RELOAD_WATCHER;
		3369	},
		3370	);
		3371	}
		3372
2502	register_command "reload" => sub {	3373	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3374	my ($who, $arg) = @_;
2504		3375
2505	if ($who->flag (FLAG_WIZ)) {	3376	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3377	$who->message ("reloading server.");
2507		3378	async { reload_perl };
2508	# doing reload synchronously and two reloads happen back-to-back,
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);
2520	}	3379	}
2521	};	3380	};
2522		3381
2523	unshift @INC, $LIBDIR;	3382	unshift @INC, $LIBDIR;
2524		3383
2525	my $bug_warning = 0;	3384	my $bug_warning = 0;
2526		3385
		3386	our @WAIT_FOR_TICK;
		3387	our @WAIT_FOR_TICK_BEGIN;
		3388
		3389	sub wait_for_tick {
		3390	return unless $TICK_WATCHER->is_active;
		3391	return if $Coro::current == $Coro::main;
		3392
		3393	my $signal = new Coro::Signal;
		3394	push @WAIT_FOR_TICK, $signal;
		3395	$signal->wait;
		3396	}
		3397
		3398	sub wait_for_tick_begin {
		3399	return unless $TICK_WATCHER->is_active;
		3400	return if $Coro::current == $Coro::main;
		3401
		3402	my $signal = new Coro::Signal;
		3403	push @WAIT_FOR_TICK_BEGIN, $signal;
		3404	$signal->wait;
		3405	}
		3406
		3407	my $min = 1e6;#d#
		3408	my $avg = 10;
2527	$TICK_WATCHER = Event->timer (	3409	$TICK_WATCHER = Event->timer (
2528	reentrant => 0,	3410	reentrant => 0,
2529	parked => 1,	3411	parked => 1,
2530	prio => 0,	3412	prio => 0,
2531	at => $NEXT_TICK || $TICK,	3413	at => $NEXT_TICK || $TICK,
…		…
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3417	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3418	unless ++$bug_warning > 10;
2537	return;	3419	return;
2538	}	3420	}
2539		3421
2540	$NOW = Event::time;	3422	$NOW = $tick_start = Event::time;
2541		3423
2542	cf::server_tick; # one server iteration	3424	cf::server_tick; # one server iteration
		3425
		3426	0 && sync_job {#d#
		3427	for(1..10) {
		3428	my $t = Event::time;
		3429	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3430	or die;
		3431
		3432	$map->width (50);
		3433	$map->height (50);
		3434	$map->alloc;
		3435	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3436	my $t = Event::time - $t;
		3437
		3438	#next unless $t < 0.0013;#d#
		3439	if ($t < $min) {
		3440	$min = $t;
		3441	}
		3442	$avg = $avg * 0.99 + $t * 0.01;
		3443	}
		3444	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3445	exit 0;
		3446	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3447	};
		3448
2543	$RUNTIME += $TICK;	3449	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;	3450	$NEXT_TICK += $TICK;
2545		3451
2546	$WAIT_FOR_TICK->broadcast;	3452	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3453	$NEXT_RUNTIME_WRITE = $NOW + 10;
2548		3454	Coro::async_pool {
2549	Event::sweep;	3455	write_runtime
2550	Coro::cede_notself;	3456	or warn "ERROR: unable to write runtime file: $!";
		3457	};
2551		3458	}
		3459
2552	# my $AFTER = Event::time;	3460	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#	3461	# warn $AFTER - $NOW;#d#
2554		3462
		3463	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3464	$sig->send;
		3465	}
		3466	while (my $sig = shift @WAIT_FOR_TICK) {
		3467	$sig->send;
		3468	}
		3469
		3470	$NOW = Event::time;
		3471
2555	# if we are delayed by four ticks or more, skip them all	3472	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3473	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2557		3474
2558	$TICK_WATCHER->at ($NEXT_TICK);	3475	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;	3476	$TICK_WATCHER->start;
		3477
		3478	$LOAD = ($NOW - $tick_start) / $TICK;
		3479	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3480
		3481	_post_tick;
		3482
		3483
2560	},	3484	},
2561	);	3485	);
2562		3486
2563	{	3487	{
2564	BDB::max_poll_time $TICK * 0.1;	3488	BDB::max_poll_time $TICK * 0.1;
…		…
2589		3513
2590	unless ($DB_ENV) {	3514	unless ($DB_ENV) {
2591	$DB_ENV = BDB::db_env_create;	3515	$DB_ENV = BDB::db_env_create;
2592		3516
2593	cf::sync_job {	3517	cf::sync_job {
		3518	eval {
2594	BDB::db_env_open	3519	BDB::db_env_open
2595	$DB_ENV,	3520	$DB_ENV,
2596	$BDB_ENV_DIR,	3521	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3522	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3523	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3524	0666;
2600		3525
2601	cf::cleanup "$!" if $!;	3526	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3527
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3528	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2604	$DB_ENV->set_lk_detect;	3529	$DB_ENV->set_lk_detect;
		3530	};
		3531
		3532	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3533	};
2606	}	3534	}
2607	}	3535	}
2608		3536
2609	{	3537	{
…		…
2611		3539
2612	undef $Coro::AIO::WATCHER;	3540	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3541	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3542	$AIO_POLL_WATCHER = Event->io (
2615	reentrant => 0,	3543	reentrant => 0,
		3544	data => WF_AUTOCANCEL,
2616	fd => IO::AIO::poll_fileno,	3545	fd => IO::AIO::poll_fileno,
2617	poll => 'r',	3546	poll => 'r',
2618	prio => 6,	3547	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,	3548	cb => \&IO::AIO::poll_cb,
2621	);	3549	);
2622	}	3550	}
2623		3551
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3552	my $_log_backtrace;
2625	reentrant => 0,	3553
2626	data => WF_AUTOCANCEL,	3554	sub _log_backtrace {
2627	after => 1,	3555	my ($msg, @addr) = @_;
2628	interval => 10,	3556
2629	prio => 6, # keep it lowest so it acts like a watchdog	3557	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3558
2631	write_runtime	3559	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	3560	if ($_log_backtrace < 2) {
		3561	++$_log_backtrace;
		3562	async {
		3563	my @bt = fork_call {
		3564	@addr = map { sprintf "%x", $_ } @addr;
		3565	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3566	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3567	or die "addr2line: $!";
		3568
		3569	my @funcs;
		3570	my @res = <$fh>;
		3571	chomp for @res;
		3572	while (@res) {
		3573	my ($func, $line) = splice @res, 0, 2, ();
		3574	push @funcs, "[$func] $line";
		3575	}
		3576
		3577	@funcs
		3578	};
		3579
		3580	LOG llevInfo, "[ABT] $msg\n";
		3581	LOG llevInfo, "[ABT] $_\n" for @bt;
		3582	--$_log_backtrace;
		3583	};
		3584	} else {
		3585	LOG llevInfo, "[ABT] $msg\n";
		3586	LOG llevInfo, "[ABT] [suppressed]\n";
2633	},	3587	}
2634	);	3588	}
		3589
		3590	# load additional modules
		3591	use cf::pod;
2635		3592
2636	END { cf::emergency_save }	3593	END { cf::emergency_save }
2637		3594
2638	1	3595	1
2639		3596

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