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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.251 by root, Wed Apr 18 14:45:13 2007 UTC vs.
Revision 1.381 by root, Mon Oct 8 18:19:39 2007 UTC

…		…
10	use Event;	10	use Event;
11	use Opcode;	11	use Opcode;
12	use Safe;	12	use Safe;
13	use Safe::Hole;	13	use Safe::Hole;
14		14
15	use Coro 3.61 ();	15	use Coro 4.1 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	63
		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";
60		75
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;	77	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	80	our $NEXT_TICK;
66	our $NOW;	81	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
68		83
69	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	88	our $DB_ENV;
71		89
72	our %CFG;	90	our %CFG;
73		91
74	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	93	our $RUNTIME;
76		94
77	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		98
83	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
86	binmode STDOUT;	106	binmode STDOUT;
87	binmode STDERR;	107	binmode STDERR;
88		108
89	# read virtual server time, if available	109	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
91	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
92	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
93	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
94	}	114	}
95		115
96	mkdir cf::localdir;	116	mkdir $_
97	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir cf::localdir . "/" . cf::tmpdir;
99	mkdir cf::localdir . "/" . cf::uniquedir;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		118
103	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
104		120
105	sub cf::map::normalise;	121	sub cf::map::normalise;
106		122
…		…
117	=item $cf::RUNTIME	133	=item $cf::RUNTIME
118		134
119	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
120	every server tick.	136	every server tick.
121		137
122	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
123		141
124	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
125	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
126		146
127	=item $cf::NOW	147	=item $cf::NOW
128		148
129	The time of the last (current) server tick.	149	The time of the last (current) server tick.
130		150
131	=item $cf::TICK	151	=item $cf::TICK
132		152
133	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
134		164
135	=item %cf::CFG	165	=item %cf::CFG
136		166
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
138	from wherever your confdir points to.	168	from wherever your confdir points to.
…		…
141		171
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
146	=back	182	=back
147		183
148	=cut	184	=cut
149		185
150	BEGIN {	186	BEGIN {
…		…
152	my $msg = join "", @_;	188	my $msg = join "", @_;
153		189
154	$msg .= "\n"	190	$msg .= "\n"
155	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
156		192
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		194
159	utf8::encode $msg;
160	LOG llevError, $msg;	195	LOG llevError, $msg;
161	};	196	};
162	}	197	}
163		198
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		206
171	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	208	# within the Safe compartment.
173	for my $pkg (qw(	209	for my $pkg (qw(
174	cf::global cf::attachable	210	cf::global cf::attachable
…		…
182	}	218	}
183		219
184	$Event::DIED = sub {	220	$Event::DIED = sub {
185	warn "error in event callback: @_";	221	warn "error in event callback: @_";
186	};	222	};
		223
		224	#############################################################################
187		225
188	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
189		227
190	=over 4	228	=over 4
191		229
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	249	$d
212	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
213	}	251	}
214		252
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
218		254
219	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
220		256
221	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
222		258
223	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
224		267
225	=item cf::lock_wait $string	268	=item cf::lock_wait $string
226		269
227	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
228		271
…		…
231	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
234	returned.	277	returned.
235		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
236	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
238		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
239	=cut	289	=cut
240		290
241	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
242		293
243	sub lock_wait($) {	294	sub lock_wait($) {
244	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
245		301
246	# wait for lock, if any	302	# wait for lock, if any
247	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	305	Coro::schedule;
…		…
255		311
256	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
257	lock_wait $key;	313	lock_wait $key;
258		314
259	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
260		317
261	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
264	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
265	}	329	}
266		330
267	sub freeze_mainloop {	331	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
269		333
…		…
272	};	336	};
273	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
274	$guard	338	$guard
275	}	339	}
276		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
277	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
278		400
279	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
281	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
284		406
285	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
286		408
287	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
288		410
289	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
292		415
293	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
296	fast or be very important.	419	fast or be very important.
…		…
299		422
300	sub sync_job(&) {	423	sub sync_job(&) {
301	my ($job) = @_;	424	my ($job) = @_;
302		425
303	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
304	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
306		431
		432	LOG llevError | logBacktrace, Carp::longmess "sync job";#d#
		433
307	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	435	# (but this is cancel-safe)
309	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
310		437
311	my $busy = 1;	438	my $busy = 1;
312	my @res;	439	my @res;
313		440
314	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	443	@res = eval { $job->() };
316	warn $@ if $@;	444	warn $@ if $@;
317	undef $busy;	445	undef $busy;
318	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
319		447
320	while ($busy) {	448	while ($busy) {
321	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
322	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
323		458
324	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
325	} else {	460	} else {
326	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
327		462
…		…
347	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
348		483
349	$coro	484	$coro
350	}	485	}
351		486
352	sub write_runtime {	487	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		488
355	my $runtime = cf::localdir . "/runtime";	489	Executes the given code block with the given arguments in a seperate
		490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
356		493
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	494	=cut
358	or return;
359		495
360	my $value = $cf::RUNTIME + 90 + 10;	496	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	497	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		498
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	499	# we seemingly have to make a local copy of the whole thing,
365	and return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
366		502
367	# always fsync - this file is important	503	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	504	reset_signals;
369	and return;	505	&$cb
		506	}, @args;
370		507
371	close $fh	508	wantarray ? @res : $res[-1]
372	or return;	509	}
373		510
374	aio_rename "$runtime~", $runtime	511	=item $value = cf::db_get $family => $key
375	and return;
376		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
377	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
378	}	636	}
379		637
380	=item cf::datalog type => key => value, ...	638	=item cf::datalog type => key => value, ...
381		639
382	Log a datalog packet of the given type with the given key-value pairs.	640	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
402		660
403	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	663	Crossfire TRT).
406		664
407	=over 4	665	=over 4
408		666
409	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
410		668
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
574		832
575	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		837
580	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	839	my $pkg = shift @arg;
582		840
583	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
613	}	871	}
614		872
615	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
616	} else {	874	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	876	}
619		877
620	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
621	}	879	}
622		880
…		…
624	if (ref $_[0]) {	882	if (ref $_[0]) {
625	_object_attach @_;	883	_object_attach @_;
626	} else {	884	} else {
627	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
628	}	886	}
		887	_recalc_want;
629	};	888	};
630		889
631	# all those should be optimised	890	# all those should be optimised
632	sub cf::attachable::detach {	891	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
637	reattach ($obj);	896	reattach ($obj);
638	} else {	897	} else {
639	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
640	}	899	}
		900	_recalc_want;
641	};	901	};
642		902
643	sub cf::attachable::attached {	903	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
645		905
…		…
660	";	920	";
661	die if $@;	921	die if $@;
662	}	922	}
663		923
664	our $override;	924	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		926
667	sub override {	927	sub override {
668	$override = 1;	928	$override = 1;
669	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
670	}	930	}
671		931
672	sub do_invoke {	932	sub do_invoke {
673	my $event = shift;	933	my $event = shift;
674	my $callbacks = shift;	934	my $callbacks = shift;
675		935
676	@invoke_results = ();	936	@INVOKE_RESULTS = ();
677		937
678	local $override;	938	local $override;
679		939
680	for (@$callbacks) {	940	for (@$callbacks) {
681	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
698		958
699	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
700		960
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		964
705	=back	965	=back
706		966
707	=cut	967	=cut
708		968
709	#############################################################################	969	#############################################################################
710	# object support	970	# object support
		971	#
		972
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
711		982
712	sub reattach {	983	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	985	my ($obj) = @_;
715		986
…		…
762	sub object_freezer_save {	1033	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
764		1035
765	sync_job {	1036	sync_job {
766	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
769		1041
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1045	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1046	close $fh;
775		1047
776	if (@$objs) {	1048	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1051	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1052	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1053	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1054	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1055	aio_rename "$filename.pst~", "$filename.pst";
784	}	1056	}
…		…
792	}	1064	}
793	} else {	1065	} else {
794	aio_unlink $filename;	1066	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
796	}	1068	}
797	}	1069	};
798	}	1070	}
799		1071
800	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
802		1074
…		…
814	or return;	1086	or return;
815		1087
816	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
818	or return;	1090	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };
820	}
821		1091
		1092	my $st = eval { Coro::Storable::thaw $av }
		1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1094	$av = $st->{objs};
		1095	}
		1096
		1097	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
824	return ($data, $av);	1101	($data, $av)
825	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
826		1109
827	#############################################################################	1110	#############################################################################
828	# command handling &c	1111	# command handling &c
829		1112
830	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1127	}
845		1128
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1130
848	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
849		1136
850	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
851	called.	1138	called.
852		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
853	=cut	1151	=cut
854		1152
855	sub register_extcmd {	1153	sub register_extcmd {
856	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
857		1155
858	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
859	}	1163	}
860		1164
861	cf::player->attach (	1165	cf::player->attach (
862	on_command => sub {	1166	on_command => sub {
863	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1176	cf::override;
873	},	1177	},
874	on_extcmd => sub {	1178	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
876		1180
877	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1182
879	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
885	} else {	1198	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1200	}
888		1201
889	cf::override;	1202	cf::override;
890	},	1203	},
891	);	1204	);
892		1205
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
928	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1211	next unless -r $path;
930	eval {	1212
931	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
932	1	1270	}
933	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
934	}	1276	};
935	}	1277	}
936		1278
937	#############################################################################	1279	#############################################################################
938		1280
		1281	=back
		1282
939	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
940		1284
941	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
942		1286
943	=cut	1287	=cut
…		…
948		1292
949	=head3 cf::player	1293	=head3 cf::player
950		1294
951	=over 4	1295	=over 4
952		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
		1310
953	=item cf::player::find $login	1311	=item cf::player::find $login
954		1312
955	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
956		1314
957	=cut	1315	=cut
958		1316
959	sub playerdir($) {	1317	sub playerdir($) {
960	cf::localdir	1318	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1320	}
966		1321
967	sub path($) {	1322	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1353	aio_unlink +(playerdir $login) . "/$login.pl";
999		1354
1000	my $pl = load_pl path $login	1355	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1356	or return;
		1357
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
1003	}	1363	}
1004	}	1364	}
1005	}	1365	}
1006		1366
…		…
1016		1376
1017	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1019		1379
1020	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1021	Coro::cede;	1381	cf::cede_to_tick;
1022	}	1382	}
1023		1383
1024	sub new($) {	1384	sub new($) {
1025	my ($login) = @_;	1385	my ($login) = @_;
1026		1386
…		…
1030	$self->{deny_save} = 1;	1390	$self->{deny_save} = 1;
1031		1391
1032	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1033		1393
1034	$self	1394	$self
		1395	}
		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
1035	}	1405	}
1036		1406
1037	=item $pl->quit_character	1407	=item $pl->quit_character
1038		1408
1039	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
…		…
1088	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1089		1459
1090	=cut	1460	=cut
1091		1461
1092	sub list_logins {	1462	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1464	or return [];
1095		1465
1096	my @logins;	1466	my @logins;
1097		1467
1098	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1102		1477
1103	utf8::decode $login;	1478	utf8::decode $login;
1104	push @logins, $login;	1479	push @logins, $login;
1105	}	1480	}
1106		1481
…		…
1133	}	1508	}
1134		1509
1135	\@paths	1510	\@paths
1136	}	1511	}
1137		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1138	=item $player->ext_reply ($msgid, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1139		1565
1140	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1141		1567
1142	=cut	1568	=cut
1143		1569
1144	sub ext_reply($$%) {	1570	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1146		1572
1147	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1574	}
1151		1575
1152	=item $player->ext_event ($type, %msg)	1576	=item $player->ext_msg ($type, @msg)
1153		1577
1154	Sends an ext event to the client.	1578	Sends an ext event to the client.
1155		1579
1156	=cut	1580	=cut
1157		1581
1158	sub ext_event($$%) {	1582	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1583	my ($self, $type, @msg) = @_;
1160		1584
1161	$self->ns->ext_event ($type, %msg);	1585	$self->ns->ext_msg ($type, @msg);
1162	}	1586	}
1163		1587
1164	=head3 cf::region	1588	=head3 cf::region
1165		1589
1166	=over 4	1590	=over 4
…		…
1169		1593
1170	package cf::region;	1594	package cf::region;
1171		1595
1172	=item cf::region::find_by_path $path	1596	=item cf::region::find_by_path $path
1173		1597
1174	Tries to decuce the probable region for a map knowing only its path.	1598	Tries to decuce the likely region for a map knowing only its path.
1175		1599
1176	=cut	1600	=cut
1177		1601
1178	sub find_by_path($) {	1602	sub find_by_path($) {
1179	my ($path) = @_;	1603	my ($path) = @_;
1180		1604
1181	my ($match, $specificity);	1605	my ($match, $specificity);
1182		1606
1183	for my $region (list) {	1607	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1608	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1609	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1610	if $region->specificity > $specificity;
1187	}	1611	}
1188	}	1612	}
1189		1613
…		…
1253	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1254		1678
1255	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1256	local $self->{path};	1680	local $self->{path};
1257	local $self->{load_path};	1681	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1682
1261	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1262	}	1684	}
1263		1685
1264	sub normalise {	1686	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1312	return $self;	1734	return $self;
1313	}	1735	}
1314	}	1736	}
1315		1737
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1739	()
1318	}	1740	}
1319		1741
1320	sub init {	1742	sub init {
1321	my ($self) = @_;	1743	my ($self) = @_;
…		…
1336		1758
1337	# the original (read-only) location	1759	# the original (read-only) location
1338	sub load_path {	1760	sub load_path {
1339	my ($self) = @_;	1761	my ($self) = @_;
1340		1762
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1342	}	1764	}
1343		1765
1344	# the temporary/swap location	1766	# the temporary/swap location
1345	sub save_path {	1767	sub save_path {
1346	my ($self) = @_;	1768	my ($self) = @_;
1347		1769
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1350	}	1772	}
1351		1773
1352	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1353	sub uniq_path {	1775	sub uniq_path {
1354	my ($self) = @_;	1776	my ($self) = @_;
1355		1777
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1358	}	1780	}
1359		1781
1360	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1361	# all maps in C++...	1783	# all maps in C++...
1362	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1364		1786
1365	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1367	}	1789	}
1368		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1369	sub unlink_save {	1799	sub unlink_save {
1370	my ($self) = @_;	1800	my ($self) = @_;
1371		1801
1372	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1376		1806
1377	sub load_header_from($) {	1807	sub load_header_from($) {
1378	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1379		1809
1380	utf8::encode $path;	1810	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1386		1819
1387	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1388		1821
1389	1	1822	1
1390	}	1823	}
…		…
1429	$self->load_header_orig	1862	$self->load_header_orig
1430	or return;	1863	or return;
1431	$self->prepare_orig;	1864	$self->prepare_orig;
1432	}	1865	}
1433		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
1434	$self->default_region (cf::region::find_by_path $self->{path})	1870	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1871	unless $self->default_region;
1436		1872
1437	1	1873	1
1438	}	1874	}
…		…
1441	sub find {	1877	sub find {
1442	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1443		1879
1444	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1445		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1447		1884
1448	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1450	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1451	or return;	1890	or return;
1452		1891
1453	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1454		1893
1455	$map->load_header	1894	$map->load_header
1456	or return;	1895	or return;
1457		1896
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1461	$map->reset;	1902	$map->reset;
1462	undef $guard;
1463	return find $path;	1903	return find $path;
1464	}	1904	}
1465		1905
1466	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1467	}	1907	}
…		…
1474	my ($self) = @_;	1914	my ($self) = @_;
1475		1915
1476	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1477		1917
1478	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1479	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1480		1922
		1923	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		1925
1483	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1484		1927
1485	$self->alloc;	1928	$self->alloc;
1486		1929
1487	$self->pre_load;	1930	$self->pre_load;
1488	Coro::cede;	1931	cf::cede_to_tick;
1489		1932
1490	$self->_load_objects ($self->{load_path}, 1)	1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1491	or return;	1936	or return;
1492		1937
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1494	if delete $self->{load_original};	1939	if delete $self->{load_original};
1495		1940
1496	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	1942	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	1945	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1501	}	1949	}
1502	}	1950	}
1503		1951
1504	Coro::cede;	1952	$f->resolve_delayed_derefs;
		1953
		1954	cf::cede_to_tick;
1505	# now do the right thing for maps	1955	# now do the right thing for maps
1506	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	1958	unless $self->difficulty;
1517	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1518	$self->activate;	1968	$self->activate;
1519	Coro::cede;	1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
		1974	$self->in_memory (cf::MAP_IN_MEMORY);
1520	}	1975	}
1521		1976
1522	$self->post_load;	1977	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	1978	}
1527		1979
1528	sub customise_for {	1980	sub customise_for {
1529	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1530		1982
1531	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	1984	if $self->per_player;
1533		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1534	$self	1989	$self
1535	}	1990	}
1536		1991
1537	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	1993	sub load_neighbours {
1539	my ($map) = @_;	1994	my ($map) = @_;
1540		1995
1541	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1542		1997
1543	for (0 .. 3) {	1998	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1545	or next;	2000	or next;
1546	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1547	or next;	2002	or next;
1548	$neigh->load;	2003	$neigh->load;
1549		2004
		2005	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2008	}
1553		2009
1554	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1556	or next;	2013	or next;
1557	$neigh->load;	2014	$neigh->load;
1558	}	2015	}
1559	}	2016	}
1560		2017
…		…
1565	}	2022	}
1566		2023
1567	sub do_load_sync {	2024	sub do_load_sync {
1568	my ($map) = @_;	2025	my ($map) = @_;
1569		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1570	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1571	}	2031	}
1572		2032
1573	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1575		2035
1576	sub find_async {	2036	sub find_async {
1577	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1578		2038
1579	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1580		2040
1581	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1583	}	2043	}
1584		2044
1585	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1586	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
		2048	$Coro::current->{desc} = "map prefetcher";
		2049
1587	while (%MAP_PREFETCH) {	2050	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2051	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2052	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2053	$map->load if $v;
		2054	}
1592		2055
1593	delete $MAP_PREFETCH{$path};	2056	delete $MAP_PREFETCH{$k};
1594	}	2057	}
1595	}	2058	}
1596	undef $MAP_PREFETCHER;	2059	undef $MAP_PREFETCHER;
1597	};	2060	};
1598	$MAP_PREFETCHER->prio (6);	2061	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2064	}
1602		2065
1603	sub save {	2066	sub save {
1604	my ($self) = @_;	2067	my ($self) = @_;
1605		2068
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2069	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2070
1608	$self->{last_save} = $cf::RUNTIME;	2071	$self->{last_save} = $cf::RUNTIME;
1609		2072
1610	return unless $self->dirty;	2073	return unless $self->dirty;
1611		2074
…		…
1617	return if $self->{deny_save};	2080	return if $self->{deny_save};
1618		2081
1619	local $self->{last_access} = $self->last_access;#d#	2082	local $self->{last_access} = $self->last_access;#d#
1620		2083
1621	cf::async {	2084	cf::async {
		2085	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2086	$_->contr->save for $self->players;
1623	};	2087	};
1624		2088
1625	if ($uniq) {	2089	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1634	my ($self) = @_;	2098	my ($self) = @_;
1635		2099
1636	# save first because save cedes	2100	# save first because save cedes
1637	$self->save;	2101	$self->save;
1638		2102
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2104
1641	return if $self->players;	2105	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2106	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};	2107	return if $self->{deny_save};
1644		2108
		2109	$self->in_memory (cf::MAP_SWAPPED);
		2110
		2111	$self->deactivate;
		2112	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2113	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2114	}
1648		2115
1649	sub reset_at {	2116	sub reset_at {
1650	my ($self) = @_;	2117	my ($self) = @_;
1651		2118
1652	# TODO: safety, remove and allow resettable per-player maps	2119	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2120	return 1e99 if $self->{deny_reset};
1655		2121
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2122	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2123	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2124
…		…
1669	my ($self) = @_;	2135	my ($self) = @_;
1670		2136
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2138
1673	return if $self->players;	2139	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2140
1676	warn "resetting map ", $self->path;#d#	2141	warn "resetting map ", $self->path;
1677		2142
1678	$self->in_memory (cf::MAP_SWAPPED);	2143	$self->in_memory (cf::MAP_SWAPPED);
1679		2144
1680	# need to save uniques path	2145	# need to save uniques path
1681	unless ($self->{deny_save}) {	2146	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2150	if $uniq;
1686	}	2151	}
1687		2152
1688	delete $cf::MAP{$self->path};	2153	delete $cf::MAP{$self->path};
1689		2154
		2155	$self->deactivate;
		2156	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2157	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2158
1694	$self->unlink_save;	2159	$self->unlink_save;
1695	$self->destroy;	2160	$self->destroy;
1696	}	2161	}
1697		2162
1698	my $nuke_counter = "aaaa";	2163	my $nuke_counter = "aaaa";
1699		2164
1700	sub nuke {	2165	sub nuke {
1701	my ($self) = @_;	2166	my ($self) = @_;
1702		2167
		2168	{
		2169	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2170
1703	delete $cf::MAP{$self->path};	2171	delete $cf::MAP{$self->path};
1704		2172
1705	$self->unlink_save;	2173	$self->unlink_save;
1706		2174
1707	bless $self, "cf::map";	2175	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2176	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2177	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2178	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2179	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2180
1713	$cf::MAP{$self->path} = $self;	2181	$cf::MAP{$self->path} = $self;
		2182	}
1714		2183
1715	$self->reset; # polite request, might not happen	2184	$self->reset; # polite request, might not happen
		2185	}
		2186
		2187	=item $maps = cf::map::tmp_maps
		2188
		2189	Returns an arrayref with all map paths of currently instantiated and saved
		2190	maps. May block.
		2191
		2192	=cut
		2193
		2194	sub tmp_maps() {
		2195	[
		2196	map {
		2197	utf8::decode $_;
		2198	/\.map$/
		2199	? normalise $_
		2200	: ()
		2201	} @{ aio_readdir $TMPDIR or [] }
		2202	]
		2203	}
		2204
		2205	=item $maps = cf::map::random_maps
		2206
		2207	Returns an arrayref with all map paths of currently instantiated and saved
		2208	random maps. May block.
		2209
		2210	=cut
		2211
		2212	sub random_maps() {
		2213	[
		2214	map {
		2215	utf8::decode $_;
		2216	/\.map$/
		2217	? normalise "?random/$_"
		2218	: ()
		2219	} @{ aio_readdir $RANDOMDIR or [] }
		2220	]
1716	}	2221	}
1717		2222
1718	=item cf::map::unique_maps	2223	=item cf::map::unique_maps
1719		2224
1720	Returns an arrayref of paths of all shared maps that have	2225	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2226	instantiated unique items. May block.
1722		2227
1723	=cut	2228	=cut
1724		2229
1725	sub unique_maps() {	2230	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2231	[
1727	or return;	2232	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2233	utf8::decode $_;
1733	next if /\.pst$/;	2234	/\.map$/
1734	next unless /^$PATH_SEP/o;	2235	? normalise $_
1735		2236	: ()
1736	push @paths, cf::map::normalise $_;	2237	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2238	]
1738
1739	\@paths
1740	}	2239	}
1741		2240
1742	package cf;	2241	package cf;
1743		2242
1744	=back	2243	=back
…		…
1762	map { $_, inv_recursive_ $_->inv } @_	2261	map { $_, inv_recursive_ $_->inv } @_
1763	}	2262	}
1764		2263
1765	sub inv_recursive {	2264	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2265	inv_recursive_ inv $_[0]
		2266	}
		2267
		2268	=item $ref = $ob->ref
		2269
		2270	creates and returns a persistent reference to an objetc that can be stored as a string.
		2271
		2272	=item $ob = cf::object::deref ($refstring)
		2273
		2274	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2275	even if the object actually exists. May block.
		2276
		2277	=cut
		2278
		2279	sub deref {
		2280	my ($ref) = @_;
		2281
		2282	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1767	}	2294	}
1768		2295
1769	package cf;	2296	package cf;
1770		2297
1771	=back	2298	=back
…		…
1790		2317
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2319
1793	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1795	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1798	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1799	}	2345	}
1800		2346
1801	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1802		2348
1803	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1850	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1851		2397
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2399
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1856		2402
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2404	}
1859		2405
1860	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1862		2410
1863	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1864		2412
1865	unless ($map) {	2413	unless ($map) {
1866	# restore original map position	2414	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1883		2431
1884	$map->load;	2432	$map->load;
1885	$map->load_diag;	2433	$map->load_neighbours;
1886		2434
1887	return unless $self->contr->active;	2435	return unless $self->contr->active;
1888	$self->activate_recursive;	2436	$self->activate_recursive;
1889		2437
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1892	}	2440	}
1893		2441
1894	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2443
1898	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1902	};	2448	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2449
1908	# try to abort aborted map switching on player login :)
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925
1926	=item $player_object->goto ($path, $x, $y)
1927
1928	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1929		2453
1930	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2459
1933	$self->enter_link;	2460	$self->enter_link;
1934		2461
1935	(async {	2462	(async {
		2463	$Coro::current->{desc} = "player::goto $path $x $y";
		2464
		2465	# *tag paths override both path and x|y
		2466	if ($path =~ /^\*(.*)$/) {
		2467	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2468	my $ob = $obs[rand @obs];
		2469
		2470	# see if we actually can go there
		2471	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2472	$ob = $obs[rand @obs];
		2473	} else {
		2474	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2475	}
		2476	# else put us there anyways for now #d#
		2477
		2478	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2479	} else {
		2480	($path, $x, $y) = (undef, undef, undef);
		2481	}
		2482	}
		2483
1936	my $map = eval {	2484	my $map = eval {
1937	my $map = cf::map::find $path;	2485	my $map = defined $path ? cf::map::find $path : undef;
		2486
		2487	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2488	$map = $map->customise_for ($self);
		2489	$map = $check->($map) if $check && $map;
		2490	} else {
		2491	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2492	}
		2493
1939	$map	2494	$map
		2495	};
		2496
		2497	if ($@) {
		2498	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2499	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2500	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2501
		2502	if ($gen == $self->{_goto_generation}) {
		2503	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2504	$self->leave_link ($map, $x, $y);
		2505	}
		2506
		2507	$done->() if $done;
1944	})->prio (1);	2508	})->prio (1);
1945	}	2509	}
1946		2510
1947	=item $player_object->enter_exit ($exit_object)	2511	=item $player_object->enter_exit ($exit_object)
1948		2512
…		…
1987		2551
1988	$rmp->{random_seed} ||= $exit->random_seed;	2552	$rmp->{random_seed} ||= $exit->random_seed;
1989		2553
1990	my $data = cf::to_json $rmp;	2554	my $data = cf::to_json $rmp;
1991	my $md5 = Digest::MD5::md5_hex $data;	2555	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2556	my $meta = "$RANDOMDIR/$md5.meta";
1993		2557
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2558	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2559	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2560	undef $fh;
1997	aio_rename "$meta~", $meta;	2561	aio_rename "$meta~", $meta;
…		…
2017	my $hp = $exit->stats->hp;	2581	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;	2582	my $sp = $exit->stats->sp;
2019		2583
2020	$self->enter_link;	2584	$self->enter_link;
2021		2585
		2586	# if exit is damned, update players death & WoR home-position
		2587	$self->contr->savebed ($slaying, $hp, $sp)
		2588	if $exit->flag (FLAG_DAMNED);
		2589
2022	(async {	2590	(async {
		2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2592
2023	$self->deactivate_recursive; # just to be sure	2593	$self->deactivate_recursive; # just to be sure
2024	unless (eval {	2594	unless (eval {
2025	$self->goto ($slaying, $hp, $sp);	2595	$self->goto ($slaying, $hp, $sp);
2026		2596
2027	1;	2597	1;
…		…
2053		2623
2054	utf8::encode $text;	2624	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2625	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2626	}
2057		2627
		2628	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2629
		2630	Send a drawinfo or msg packet to the client, formatting the msg for the
		2631	client if neccessary. C<$type> should be a string identifying the type of
		2632	the message, with C<log> being the default. If C<$color> is negative, suppress
		2633	the message unless the client supports the msg packet.
		2634
		2635	=cut
		2636
		2637	our %CHANNEL = (
		2638	"c/identify" => {
		2639	id => "infobox",
		2640	title => "Identify",
		2641	reply => undef,
		2642	tooltip => "Items recently identified",
		2643	},
		2644	"c/examine" => {
		2645	id => "infobox",
		2646	title => "Examine",
		2647	reply => undef,
		2648	tooltip => "Signs and other items you examined",
		2649	},
		2650	"c/lookat" => {
		2651	id => "infobox",
		2652	title => "Look",
		2653	reply => undef,
		2654	tooltip => "What you saw there",
		2655	},
		2656	);
		2657
		2658	sub cf::client::send_msg {
		2659	my ($self, $channel, $msg, $color, @extra) = @_;
		2660
		2661	$msg = $self->pl->expand_cfpod ($msg);
		2662
		2663	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2664
		2665	# check predefined channels, for the benefit of C
		2666	if ($CHANNEL{$channel}) {
		2667	$channel = $CHANNEL{$channel};
		2668
		2669	$self->ext_msg (channel_info => $channel)
		2670	if $self->can_msg;
		2671
		2672	$channel = $channel->{id};
		2673
		2674	} elsif (ref $channel) {
		2675	# send meta info to client, if not yet sent
		2676	unless (exists $self->{channel}{$channel->{id}}) {
		2677	$self->{channel}{$channel->{id}} = $channel;
		2678	$self->ext_msg (channel_info => $channel)
		2679	if $self->can_msg;
		2680	}
		2681
		2682	$channel = $channel->{id};
		2683	}
		2684
		2685	return unless @extra || length $msg;
		2686
		2687	if ($self->can_msg) {
		2688	# default colour, mask it out
		2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2690	if $color & cf::NDI_DEF;
		2691
		2692	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2694	} else {
		2695	if ($color >= 0) {
		2696	# replace some tags by gcfclient-compatible ones
		2697	for ($msg) {
		2698	1 while
		2699	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2700	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2701	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2702	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2703	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2704	}
		2705
		2706	$color &= cf::NDI_COLOR_MASK;
		2707
		2708	utf8::encode $msg;
		2709
		2710	if (0 && $msg =~ /\[/) {
		2711	# COMMAND/INFO
		2712	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2713	} else {
		2714	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2715	$self->send_packet ("drawinfo $color $msg")
		2716	}
		2717	}
		2718	}
		2719	}
		2720
2058	=item $client->ext_event ($type, %msg)	2721	=item $client->ext_msg ($type, @msg)
2059		2722
2060	Sends an exti event to the client.	2723	Sends an ext event to the client.
2061		2724
2062	=cut	2725	=cut
2063		2726
2064	sub cf::client::ext_event($$%) {	2727	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2728	my ($self, $type, @msg) = @_;
2066		2729
		2730	if ($self->extcmd == 2) {
		2731	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2732	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2733	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	2734	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2735	}
		2736	}
		2737
		2738	=item $client->ext_reply ($msgid, @msg)
		2739
		2740	Sends an ext reply to the client.
		2741
		2742	=cut
		2743
		2744	sub cf::client::ext_reply($$@) {
		2745	my ($self, $id, @msg) = @_;
		2746
		2747	if ($self->extcmd == 2) {
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2749	} elsif ($self->extcmd == 1) {
		2750	#TODO: version 1, remove
		2751	unshift @msg, msgtype => "reply", msgid => $id;
		2752	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2753	}
2069	}	2754	}
2070		2755
2071	=item $success = $client->query ($flags, "text", \&cb)	2756	=item $success = $client->query ($flags, "text", \&cb)
2072		2757
2073	Queues a query to the client, calling the given callback with	2758	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2759	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2760	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		2761
2077	Queries can fail, so check the return code. Or don't, as queries will become	2762	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	2763	become reliable at some point in the future.
2079		2764
2080	=cut	2765	=cut
2081		2766
2082	sub cf::client::query {	2767	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2768	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2776	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2777	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2778
2094	$self->send_packet ($self->{query_queue}[0][0])	2779	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2780	if @{ $self->{query_queue} } == 1;
		2781
		2782	1
2096	}	2783	}
2097		2784
2098	cf::client->attach (	2785	cf::client->attach (
		2786	on_connect => sub {
		2787	my ($ns) = @_;
		2788
		2789	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2790	},
2099	on_reply => sub {	2791	on_reply => sub {
2100	my ($ns, $msg) = @_;	2792	my ($ns, $msg) = @_;
2101		2793
2102	# this weird shuffling is so that direct followup queries	2794	# this weird shuffling is so that direct followup queries
2103	# get handled first	2795	# get handled first
…		…
2115	} else {	2807	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2808	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2809	}
2118	}	2810	}
2119	},	2811	},
		2812	on_exticmd => sub {
		2813	my ($ns, $buf) = @_;
		2814
		2815	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2816
		2817	if (ref $msg) {
		2818	my ($type, $reply, @payload) =
		2819	"ARRAY" eq ref $msg
		2820	? @$msg
		2821	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2822
		2823	my @reply;
		2824
		2825	if (my $cb = $EXTICMD{$type}) {
		2826	@reply = $cb->($ns, @payload);
		2827	}
		2828
		2829	$ns->ext_reply ($reply, @reply)
		2830	if $reply;
		2831
		2832	} else {
		2833	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2834	}
		2835
		2836	cf::override;
		2837	},
2120	);	2838	);
2121		2839
2122	=item $client->async (\&cb)	2840	=item $client->async (\&cb)
2123		2841
2124	Create a new coroutine, running the specified callback. The coroutine will	2842	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	2883	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	2884	our $safe_hole = new Safe::Hole;
2167		2885
2168	$SIG{FPE} = 'IGNORE';	2886	$SIG{FPE} = 'IGNORE';
2169		2887
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2888	$safe->permit_only (Opcode::opset qw(
		2889	:base_core :base_mem :base_orig :base_math
		2890	grepstart grepwhile mapstart mapwhile
		2891	sort time
		2892	));
2171		2893
2172	# here we export the classes and methods available to script code	2894	# here we export the classes and methods available to script code
2173		2895
2174	=pod	2896	=pod
2175		2897
2176	The following functions and methods are available within a safe environment:	2898	The following functions and methods are available within a safe environment:
2177		2899
2178	cf::object contr pay_amount pay_player map	2900	cf::object
		2901	contr pay_amount pay_player map x y force_find force_add
		2902	insert remove name archname title slaying race decrease_ob_nr
		2903
2179	cf::object::player player	2904	cf::object::player
2180	cf::player peaceful	2905	player
2181	cf::map trigger	2906
		2907	cf::player
		2908	peaceful
		2909
		2910	cf::map
		2911	trigger
2182		2912
2183	=cut	2913	=cut
2184		2914
2185	for (	2915	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2917	insert remove inv name archname title slaying race
		2918	decrease_ob_nr)],
2187	["cf::object::player" => qw(player)],	2919	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	2920	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	2921	["cf::map" => qw(trigger)],
2190	) {	2922	) {
2191	no strict 'refs';	2923	no strict 'refs';
…		…
2262	=back	2994	=back
2263		2995
2264	=cut	2996	=cut
2265		2997
2266	#############################################################################	2998	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434
2435	#############################################################################
2436	# the server's init and main functions	2999	# the server's init and main functions
2437		3000
2438	sub load_facedata($) {	3001	sub load_facedata($) {
2439	my ($path) = @_;	3002	my ($path) = @_;
		3003
		3004	# HACK to clear player env face cache, we need some signal framework
		3005	# for this (global event?)
		3006	%ext::player_env::MUSIC_FACE_CACHE = ();
		3007
		3008	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2440		3009
2441	warn "loading facedata from $path\n";	3010	warn "loading facedata from $path\n";
2442		3011
2443	my $facedata;	3012	my $facedata;
2444	0 < aio_load $path, $facedata	3013	0 < aio_load $path, $facedata
…		…
2447	$facedata = Coro::Storable::thaw $facedata;	3016	$facedata = Coro::Storable::thaw $facedata;
2448		3017
2449	$facedata->{version} == 2	3018	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3019	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		3020
		3021	# patch in the exptable
		3022	$facedata->{resource}{"res/exp_table"} = {
		3023	type => FT_RSRC,
		3024	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3025	};
		3026	cf::cede_to_tick;
		3027
2452	{	3028	{
2453	my $faces = $facedata->{faceinfo};	3029	my $faces = $facedata->{faceinfo};
2454		3030
2455	while (my ($face, $info) = each %$faces) {	3031	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3033	cf::face::set_visibility $idx, $info->{visibility};
		3034	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3036	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2460	Coro::cede;	3037
		3038	cf::cede_to_tick;
2461	}	3039	}
2462		3040
2463	while (my ($face, $info) = each %$faces) {	3041	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3042	next unless $info->{smooth};
2465	my $idx = cf::face::find $face	3043	my $idx = cf::face::find $face
2466	or next;	3044	or next;
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3045	if (my $smooth = cf::face::find $info->{smooth}) {
		3046	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3048	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3049	warn "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3050	}
2472	Coro::cede;	3051
		3052	cf::cede_to_tick;
2473	}	3053	}
2474	}	3054	}
2475		3055
2476	{	3056	{
2477	my $anims = $facedata->{animinfo};	3057	my $anims = $facedata->{animinfo};
2478		3058
2479	while (my ($anim, $info) = each %$anims) {	3059	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3060	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3061	cf::cede_to_tick;
2482	}	3062	}
2483		3063
2484	cf::anim::invalidate_all; # d'oh	3064	cf::anim::invalidate_all; # d'oh
2485	}	3065	}
2486		3066
		3067	{
		3068	# TODO: for gcfclient pleasure, we should give resources
		3069	# that gcfclient doesn't grok a >10000 face index.
		3070	my $res = $facedata->{resource};
		3071
		3072	my $soundconf = delete $res->{"res/sound.conf"};
		3073
		3074	while (my ($name, $info) = each %$res) {
		3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3076	my $data;
		3077
		3078	if ($info->{type} & 1) {
		3079	# prepend meta info
		3080
		3081	my $meta = $enc->encode ({
		3082	name => $name,
		3083	%{ $info->{meta} || {} },
		3084	});
		3085
		3086	$data = pack "(w/a*)*", $meta, $info->{data};
		3087	} else {
		3088	$data = $info->{data};
		3089	}
		3090
		3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3092	cf::face::set_type $idx, $info->{type};
		3093
		3094	cf::cede_to_tick;
		3095	}
		3096
		3097	if ($soundconf) {
		3098	$soundconf = $enc->decode (delete $soundconf->{data});
		3099
		3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3101	my $sound = $soundconf->{compat}[$_]
		3102	or next;
		3103
		3104	my $face = cf::face::find "sound/$sound->[1]";
		3105	cf::sound::set $sound->[0] => $face;
		3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3107	}
		3108
		3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3110	my $face = cf::face::find "sound/$v";
		3111	cf::sound::set $k => $face;
		3112	}
		3113	}
		3114	}
		3115
2487	1	3116	1
2488	}	3117	}
2489		3118
		3119	register_exticmd fx_want => sub {
		3120	my ($ns, $want) = @_;
		3121
		3122	while (my ($k, $v) = each %$want) {
		3123	$ns->fx_want ($k, $v);
		3124	}
		3125	};
		3126
		3127	sub reload_regions {
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
		3132	load_resource_file "$MAPDIR/regions"
		3133	or die "unable to load regions file\n";
		3134
		3135	for (cf::region::list) {
		3136	$_->{match} = qr/$_->{match}/
		3137	if exists $_->{match};
		3138	}
		3139	}
		3140
2490	sub reload_facedata {	3141	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3142	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3143	or die "unable to load facedata\n";
2493	}	3144	}
2494		3145
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3146	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3147	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3148	or die "unable to load archetypes\n";
		3149	#d# NEED to laod twice to resolve forward references
		3150	# this really needs to be done in an extra post-pass
		3151	# (which needs to be synchronous, so solve it differently)
		3152	load_resource_file "$DATADIR/archetypes"
		3153	or die "unable to load archetypes\n";
2503	}	3154	}
2504		3155
2505	sub reload_treasures {	3156	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3157	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3158	or die "unable to load treasurelists\n";
2508	}	3159	}
2509		3160
2510	sub reload_resources {	3161	sub reload_resources {
2511	warn "reloading resource files...\n";	3162	warn "reloading resource files...\n";
2512		3163
2513	reload_regions;	3164	reload_regions;
2514	reload_facedata;	3165	reload_facedata;
		3166	#reload_archetypes;#d#
2515	reload_archetypes;	3167	reload_archetypes;
2516	reload_treasures;	3168	reload_treasures;
2517		3169
2518	warn "finished reloading resource files\n";	3170	warn "finished reloading resource files\n";
2519	}	3171	}
2520		3172
2521	sub init {	3173	sub init {
2522	reload_resources;	3174	reload_resources;
2523	}	3175	}
2524		3176
2525	sub cfg_load {	3177	sub reload_config {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3178	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	3179	or return;
2528		3180
2529	local $/;	3181	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	3182	*CFG = YAML::Syck::Load <$fh>;
2531		3183
…		…
2546	sub main {	3198	sub main {
2547	# we must not ever block the main coroutine	3199	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3200	local $Coro::idle = sub {
2549	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2550	(async {	3202	(async {
		3203	$Coro::current->{desc} = "IDLE BUG HANDLER";
2551	Event::one_event;	3204	Event::one_event;
2552	})->prio (Coro::PRIO_MAX);	3205	})->prio (Coro::PRIO_MAX);
2553	};	3206	};
2554		3207
2555	cfg_load;	3208	reload_config;
2556	db_init;	3209	db_init;
2557	load_extensions;	3210	load_extensions;
2558		3211
2559	$TICK_WATCHER->start;	3212	$TICK_WATCHER->start;
2560	Event::loop;	3213	Event::loop;
…		…
2576	},	3229	},
2577	);	3230	);
2578	}	3231	}
2579	}	3232	}
2580		3233
		3234	sub write_runtime {
		3235	my $runtime = "$LOCALDIR/runtime";
		3236
		3237	# first touch the runtime file to show we are still running:
		3238	# the fsync below can take a very very long time.
		3239
		3240	IO::AIO::aio_utime $runtime, undef, undef;
		3241
		3242	my $guard = cf::lock_acquire "write_runtime";
		3243
		3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3245	or return;
		3246
		3247	my $value = $cf::RUNTIME + 90 + 10;
		3248	# 10 is the runtime save interval, for a monotonic clock
		3249	# 60 allows for the watchdog to kill the server.
		3250
		3251	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3252	and return;
		3253
		3254	# always fsync - this file is important
		3255	aio_fsync $fh
		3256	and return;
		3257
		3258	# touch it again to show we are up-to-date
		3259	aio_utime $fh, undef, undef;
		3260
		3261	close $fh
		3262	or return;
		3263
		3264	aio_rename "$runtime~", $runtime
		3265	and return;
		3266
		3267	warn "runtime file written.\n";
		3268
		3269	1
		3270	}
		3271
2581	sub emergency_save() {	3272	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3273	my $freeze_guard = cf::freeze_mainloop;
2583		3274
2584	warn "enter emergency perl save\n";	3275	warn "enter emergency perl save\n";
2585		3276
…		…
2589	# and maps saved/destroyed asynchronously.	3280	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	3281	warn "begin emergency player save\n";
2591	for my $login (keys %cf::PLAYER) {	3282	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	3283	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	3284	$pl->valid or next;
		3285	delete $pl->{unclean_save};
2594	$pl->save;	3286	$pl->save;
2595	}	3287	}
2596	warn "end emergency player save\n";	3288	warn "end emergency player save\n";
2597		3289
2598	warn "begin emergency map save\n";	3290	warn "begin emergency map save\n";
…		…
2660	%EXT_CORO = ();	3352	%EXT_CORO = ();
2661		3353
2662	warn "removing commands";	3354	warn "removing commands";
2663	%COMMAND = ();	3355	%COMMAND = ();
2664		3356
2665	warn "removing ext commands";	3357	warn "removing ext/exti commands";
2666	%EXTCMD = ();	3358	%EXTCMD = ();
		3359	%EXTICMD = ();
2667		3360
2668	warn "unloading/nuking all extensions";	3361	warn "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	3362	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	3363	warn "... unloading $pkg";
2671		3364
…		…
2701	Symbol::delete_package "safe::$_"	3394	Symbol::delete_package "safe::$_"
2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3395	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703		3396
2704	warn "unloading cf.pm \"a bit\"";	3397	warn "unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	3398	delete $INC{"cf.pm"};
		3399	delete $INC{"cf/pod.pm"};
2706		3400
2707	# don't, removes xs symbols, too,	3401	# don't, removes xs symbols, too,
2708	# and global variables created in xs	3402	# and global variables created in xs
2709	#Symbol::delete_package __PACKAGE__;	3403	#Symbol::delete_package __PACKAGE__;
2710		3404
…		…
2713	warn "reloading cf.pm";	3407	warn "reloading cf.pm";
2714	require cf;	3408	require cf;
2715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3409	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2716		3410
2717	warn "loading config and database again";	3411	warn "loading config and database again";
2718	cf::cfg_load;	3412	cf::reload_config;
2719		3413
2720	warn "loading extensions";	3414	warn "loading extensions";
2721	cf::load_extensions;	3415	cf::load_extensions;
2722		3416
2723	warn "reattaching attachments to objects/players";	3417	warn "reattaching attachments to objects/players";
…		…
2759	register_command "reload" => sub {	3453	register_command "reload" => sub {
2760	my ($who, $arg) = @_;	3454	my ($who, $arg) = @_;
2761		3455
2762	if ($who->flag (FLAG_WIZ)) {	3456	if ($who->flag (FLAG_WIZ)) {
2763	$who->message ("reloading server.");	3457	$who->message ("reloading server.");
		3458	async {
		3459	$Coro::current->{desc} = "perl_reload";
2764	async { reload_perl };	3460	reload_perl;
		3461	};
2765	}	3462	}
2766	};	3463	};
2767		3464
2768	unshift @INC, $LIBDIR;	3465	unshift @INC, $LIBDIR;
2769		3466
…		…
2801	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2802	unless ++$bug_warning > 10;	3499	unless ++$bug_warning > 10;
2803	return;	3500	return;
2804	}	3501	}
2805		3502
2806	$NOW = Event::time;	3503	$NOW = $tick_start = Event::time;
2807		3504
2808	cf::server_tick; # one server iteration	3505	cf::server_tick; # one server iteration
2809		3506
2810	$RUNTIME += $TICK;	3507	$RUNTIME += $TICK;
2811	$NEXT_TICK += $TICK;	3508	$NEXT_TICK += $TICK;
2812		3509
2813	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3510	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2814	$NEXT_RUNTIME_WRITE = $NOW + 10;	3511	$NEXT_RUNTIME_WRITE = $NOW + 10;
2815	Coro::async_pool {	3512	Coro::async_pool {
		3513	$Coro::current->{desc} = "runtime saver";
2816	write_runtime	3514	write_runtime
2817	or warn "ERROR: unable to write runtime file: $!";	3515	or warn "ERROR: unable to write runtime file: $!";
2818	};	3516	};
2819	}	3517	}
2820		3518
2821	# my $AFTER = Event::time;	3519	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2822	# warn $AFTER - $NOW;#d#	3520	$sig->send;
		3521	}
		3522	while (my $sig = shift @WAIT_FOR_TICK) {
		3523	$sig->send;
		3524	}
		3525
		3526	$NOW = Event::time;
2823		3527
2824	# if we are delayed by four ticks or more, skip them all	3528	# if we are delayed by four ticks or more, skip them all
2825	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3529	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2826		3530
2827	$TICK_WATCHER->at ($NEXT_TICK);	3531	$TICK_WATCHER->at ($NEXT_TICK);
2828	$TICK_WATCHER->start;	3532	$TICK_WATCHER->start;
2829		3533
2830	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3534	$LOAD = ($NOW - $tick_start) / $TICK;
2831	$sig->send;	3535	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2832	}
2833	while (my $sig = shift @WAIT_FOR_TICK) {
2834	$sig->send;
2835	}
2836		3536
2837	_post_tick;	3537	_post_tick;
2838	},	3538	},
2839	);	3539	);
2840		3540
2841	{	3541	{
		3542	BDB::min_parallel 8;
2842	BDB::max_poll_time $TICK * 0.1;	3543	BDB::max_poll_time $TICK * 0.1;
2843	$BDB_POLL_WATCHER = Event->io (	3544	$BDB_POLL_WATCHER = Event->io (
2844	reentrant => 0,	3545	reentrant => 0,
2845	fd => BDB::poll_fileno,	3546	fd => BDB::poll_fileno,
2846	poll => 'r',	3547	poll => 'r',
2847	prio => 0,	3548	prio => 0,
2848	data => WF_AUTOCANCEL,	3549	data => WF_AUTOCANCEL,
2849	cb => \&BDB::poll_cb,	3550	cb => \&BDB::poll_cb,
2850	);	3551	);
2851	BDB::min_parallel 8;
2852		3552
2853	BDB::set_sync_prepare {	3553	BDB::set_sync_prepare {
2854	my $status;	3554	my $status;
2855	my $current = $Coro::current;	3555	my $current = $Coro::current;
2856	(	3556	(
…		…
2865	)	3565	)
2866	};	3566	};
2867		3567
2868	unless ($DB_ENV) {	3568	unless ($DB_ENV) {
2869	$DB_ENV = BDB::db_env_create;	3569	$DB_ENV = BDB::db_env_create;
		3570	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3571	| BDB::LOG_AUTOREMOVE, 1);
		3572	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3573	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2870		3574
2871	cf::sync_job {	3575	cf::sync_job {
2872	eval {	3576	eval {
2873	BDB::db_env_open	3577	BDB::db_env_open
2874	$DB_ENV,	3578	$DB_ENV,
2875	$BDB_ENV_DIR,	3579	$BDBDIR,
2876	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3580	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2877	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3581	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2878	0666;	3582	0666;
2879		3583
2880	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3584	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2881
2882	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2883	$DB_ENV->set_lk_detect;
2884	};	3585	};
2885		3586
2886	cf::cleanup "db_env_open(db): $@" if $@;	3587	cf::cleanup "db_env_open(db): $@" if $@;
2887	};	3588	};
2888	}	3589	}
		3590
		3591	$BDB_DEADLOCK_WATCHER = Event->timer (
		3592	after => 3,
		3593	interval => 1,
		3594	hard => 1,
		3595	prio => 0,
		3596	data => WF_AUTOCANCEL,
		3597	cb => sub {
		3598	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3599	},
		3600	);
		3601	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3602	after => 11,
		3603	interval => 60,
		3604	hard => 1,
		3605	prio => 0,
		3606	data => WF_AUTOCANCEL,
		3607	cb => sub {
		3608	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3609	},
		3610	);
		3611	$BDB_TRICKLE_WATCHER = Event->timer (
		3612	after => 5,
		3613	interval => 10,
		3614	hard => 1,
		3615	prio => 0,
		3616	data => WF_AUTOCANCEL,
		3617	cb => sub {
		3618	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3619	},
		3620	);
2889	}	3621	}
2890		3622
2891	{	3623	{
2892	IO::AIO::min_parallel 8;	3624	IO::AIO::min_parallel 8;
2893		3625
…		…
2896	$AIO_POLL_WATCHER = Event->io (	3628	$AIO_POLL_WATCHER = Event->io (
2897	reentrant => 0,	3629	reentrant => 0,
2898	data => WF_AUTOCANCEL,	3630	data => WF_AUTOCANCEL,
2899	fd => IO::AIO::poll_fileno,	3631	fd => IO::AIO::poll_fileno,
2900	poll => 'r',	3632	poll => 'r',
2901	prio => 6,	3633	prio => 0,
2902	cb => \&IO::AIO::poll_cb,	3634	cb => \&IO::AIO::poll_cb,
2903	);	3635	);
2904	}	3636	}
2905		3637
		3638	my $_log_backtrace;
		3639
		3640	sub _log_backtrace {
		3641	my ($msg, @addr) = @_;
		3642
		3643	$msg =~ s/\n//;
		3644
		3645	# limit the # of concurrent backtraces
		3646	if ($_log_backtrace < 2) {
		3647	++$_log_backtrace;
		3648	async {
		3649	$Coro::current->{desc} = "abt $msg";
		3650
		3651	my @bt = fork_call {
		3652	@addr = map { sprintf "%x", $_ } @addr;
		3653	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3654	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3655	or die "addr2line: $!";
		3656
		3657	my @funcs;
		3658	my @res = <$fh>;
		3659	chomp for @res;
		3660	while (@res) {
		3661	my ($func, $line) = splice @res, 0, 2, ();
		3662	push @funcs, "[$func] $line";
		3663	}
		3664
		3665	@funcs
		3666	};
		3667
		3668	LOG llevInfo, "[ABT] $msg\n";
		3669	LOG llevInfo, "[ABT] $_\n" for @bt;
		3670	--$_log_backtrace;
		3671	};
		3672	} else {
		3673	LOG llevInfo, "[ABT] $msg\n";
		3674	LOG llevInfo, "[ABT] [suppressed]\n";
		3675	}
		3676	}
		3677
2906	# load additional modules	3678	# load additional modules
2907	use cf::pod;	3679	use cf::pod;
2908		3680
2909	END { cf::emergency_save }	3681	END { cf::emergency_save }
2910		3682

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