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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.250 by root, Wed Apr 18 14:24:10 2007 UTC vs.
Revision 1.386 by root, Mon Oct 15 17:50:27 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;
10	use Event;	9	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
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, 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	sub _object_equal($$);
		973	sub _object_equal($$) {
		974	my ($a, $b) = @_;
		975
		976	return 0 unless (ref $a) eq (ref $b);
		977
		978	if ("HASH" eq ref $a) {
		979	my @ka = keys %$a;
		980	my @kb = keys %$b;
		981
		982	return 0 if @ka != @kb;
		983
		984	for (0 .. $#ka) {
		985	return 0 unless $ka[$_] eq $kb[$_];
		986	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		987	}
		988
		989	} elsif ("ARRAY" eq ref $a) {
		990
		991	return 0 if @$a != @$b;
		992
		993	for (0 .. $#$a) {
		994	return 0 unless _object_equal $a->[$_], $b->[$_];
		995	}
		996
		997	} elsif ($a ne $b) {
		998	return 0;
		999	}
		1000
		1001	1
		1002	}
		1003
		1004	our $SLOW_MERGES;#d#
		1005	sub _can_merge {
		1006	my ($ob1, $ob2) = @_;
		1007
		1008	++$SLOW_MERGES;#d#
		1009
		1010	# we do the slow way here
		1011	return _object_equal $ob1, $ob2
		1012	}
711		1013
712	sub reattach {	1014	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1015	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1016	my ($obj) = @_;
715		1017
…		…
762	sub object_freezer_save {	1064	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1065	my ($filename, $rdata, $objs) = @_;
764		1066
765	sync_job {	1067	sync_job {
766	if (length $$rdata) {	1068	if (length $$rdata) {
		1069	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1070	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1071	$decname, length $$rdata, scalar @$objs;
769		1072
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1073	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1074	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1075	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1076	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1077	close $fh;
775		1078
776	if (@$objs) {	1079	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1080	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1081	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1082	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1083	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1084	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1085	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1086	aio_rename "$filename.pst~", "$filename.pst";
784	}	1087	}
…		…
792	}	1095	}
793	} else {	1096	} else {
794	aio_unlink $filename;	1097	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1098	aio_unlink "$filename.pst";
796	}	1099	}
797	}	1100	};
798	}	1101	}
799		1102
800	sub object_freezer_as_string {	1103	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1104	my ($rdata, $objs) = @_;
802		1105
…		…
814	or return;	1117	or return;
815		1118
816	unless (aio_stat "$filename.pst") {	1119	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1120	(aio_load "$filename.pst", $av) >= 0
818	or return;	1121	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };
820	}
821		1122
		1123	my $st = eval { Coro::Storable::thaw $av }
		1124	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1125	$av = $st->{objs};
		1126	}
		1127
		1128	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1129	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1130	$decname, length $data, scalar @{$av || []};
		1131
824	return ($data, $av);	1132	($data, $av)
825	}	1133	}
		1134
		1135	=head2 COMMAND CALLBACKS
		1136
		1137	=over 4
		1138
		1139	=cut
826		1140
827	#############################################################################	1141	#############################################################################
828	# command handling &c	1142	# command handling &c
829		1143
830	=item cf::register_command $name => \&callback($ob,$args);	1144	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1157	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1158	}
845		1159
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1160	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1161
848	Register a callbackf ro execution when the client sends an extcmd packet.	1162	Register a callback for execution when the client sends an (synchronous)
		1163	extcmd packet. Ext commands will be processed in the order they are
		1164	received by the server, like other user commands. The first argument is
		1165	the logged-in player. Ext commands can only be processed after a player
		1166	has logged in successfully.
849		1167
850	If the callback returns something, it is sent back as if reply was being	1168	If the callback returns something, it is sent back as if reply was being
851	called.	1169	called.
852		1170
		1171	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1172
		1173	Register a callback for execution when the client sends an (asynchronous)
		1174	exticmd packet. Exti commands are processed by the server as soon as they
		1175	are received, i.e. out of order w.r.t. other commands. The first argument
		1176	is a client socket. Exti commands can be received anytime, even before
		1177	log-in.
		1178
		1179	If the callback returns something, it is sent back as if reply was being
		1180	called.
		1181
853	=cut	1182	=cut
854		1183
855	sub register_extcmd {	1184	sub register_extcmd {
856	my ($name, $cb) = @_;	1185	my ($name, $cb) = @_;
857		1186
858	$EXTCMD{$name} = $cb;	1187	$EXTCMD{$name} = $cb;
		1188	}
		1189
		1190	sub register_exticmd {
		1191	my ($name, $cb) = @_;
		1192
		1193	$EXTICMD{$name} = $cb;
859	}	1194	}
860		1195
861	cf::player->attach (	1196	cf::player->attach (
862	on_command => sub {	1197	on_command => sub {
863	my ($pl, $name, $params) = @_;	1198	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1207	cf::override;
873	},	1208	},
874	on_extcmd => sub {	1209	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1210	my ($pl, $buf) = @_;
876		1211
877	my $msg = eval { from_json $buf };	1212	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1213
879	if (ref $msg) {	1214	if (ref $msg) {
		1215	my ($type, $reply, @payload) =
		1216	"ARRAY" eq ref $msg
		1217	? @$msg
		1218	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1219
		1220	my @reply;
		1221
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1222	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1223	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1224	}
		1225
		1226	$pl->ext_reply ($reply, @reply)
		1227	if $reply;
		1228
885	} else {	1229	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1230	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1231	}
888		1232
889	cf::override;	1233	cf::override;
890	},	1234	},
891	);	1235	);
892		1236
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 {	1237	sub load_extensions {
		1238	cf::sync_job {
		1239	my %todo;
		1240
928	for my $ext (<$LIBDIR/*.ext>) {	1241	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1242	next unless -r $path;
930	eval {	1243
931	load_extension $ext;	1244	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1245	my $base = $1;
		1246	my $pkg = $1;
		1247	$pkg =~ s/[^[:word:]]/_/g;
		1248	$pkg = "ext::$pkg";
		1249
		1250	open my $fh, "<:utf8", $path
		1251	or die "$path: $!";
		1252
		1253	my $source = do { local $/; <$fh> };
		1254
		1255	my %ext = (
		1256	path => $path,
		1257	base => $base,
		1258	pkg => $pkg,
		1259	);
		1260
		1261	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1262	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1263
		1264	$ext{source} =
		1265	"package $pkg; use strict; use utf8;\n"
		1266	. "#line 1 \"$path\"\n{\n"
		1267	. $source
		1268	. "\n};\n1";
		1269
		1270	$todo{$base} = \%ext;
		1271	}
		1272
		1273	my %done;
		1274	while (%todo) {
		1275	my $progress;
		1276
		1277	while (my ($k, $v) = each %todo) {
		1278	for (split /,\s*/, $v->{meta}{depends}) {
		1279	goto skip
		1280	unless exists $done{$_};
		1281	}
		1282
		1283	warn "... loading '$k' into '$v->{pkg}'\n";
		1284
		1285	unless (eval $v->{source}) {
		1286	my $msg = $@ ? "$v->{path}: $@\n"
		1287	: "$v->{base}: extension inactive.\n";
		1288
		1289	if (exists $v->{meta}{mandatory}) {
		1290	warn $msg;
		1291	warn "mandatory extension failed to load, exiting.\n";
		1292	exit 1;
		1293	}
		1294
		1295	warn $msg;
		1296	}
		1297
		1298	$done{$k} = delete $todo{$k};
		1299	push @EXTS, $v->{pkg};
		1300	$progress = 1;
932	1	1301	}
933	} or warn "$ext not loaded: $@";	1302
		1303	skip:
		1304	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1305	unless $progress;
		1306	}
934	}	1307	};
935	}	1308	}
936		1309
937	#############################################################################	1310	#############################################################################
938		1311
		1312	=back
		1313
939	=head2 CORE EXTENSIONS	1314	=head2 CORE EXTENSIONS
940		1315
941	Functions and methods that extend core crossfire objects.	1316	Functions and methods that extend core crossfire objects.
942		1317
943	=cut	1318	=cut
…		…
948		1323
949	=head3 cf::player	1324	=head3 cf::player
950		1325
951	=over 4	1326	=over 4
952		1327
		1328	=item cf::player::num_playing
		1329
		1330	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1331
		1332	=cut
		1333
		1334	sub num_playing {
		1335	scalar grep
		1336	$_->ob->map
		1337	&& !$_->hidden
		1338	&& !$_->ob->flag (cf::FLAG_WIZ),
		1339	cf::player::list
		1340	}
		1341
953	=item cf::player::find $login	1342	=item cf::player::find $login
954		1343
955	Returns the given player object, loading it if necessary (might block).	1344	Returns the given player object, loading it if necessary (might block).
956		1345
957	=cut	1346	=cut
958		1347
959	sub playerdir($) {	1348	sub playerdir($) {
960	cf::localdir	1349	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1350	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1351	}
966		1352
967	sub path($) {	1353	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1354	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1381	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1382	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1383	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1384	aio_unlink +(playerdir $login) . "/$login.pl";
999		1385
1000	my $pl = load_pl path $login	1386	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1387	or return;
		1388
		1389	my $pl = cf::player::load_pl $f
		1390	or return;
		1391	local $cf::PLAYER_LOADING{$login} = $pl;
		1392	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1393	$cf::PLAYER{$login} = $pl
1003	}	1394	}
1004	}	1395	}
1005	}	1396	}
1006		1397
…		…
1016		1407
1017	aio_mkdir playerdir $pl, 0770;	1408	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1409	$pl->{last_save} = $cf::RUNTIME;
1019		1410
1020	$pl->save_pl ($path);	1411	$pl->save_pl ($path);
1021	Coro::cede;	1412	cf::cede_to_tick;
1022	}	1413	}
1023		1414
1024	sub new($) {	1415	sub new($) {
1025	my ($login) = @_;	1416	my ($login) = @_;
1026		1417
…		…
1030	$self->{deny_save} = 1;	1421	$self->{deny_save} = 1;
1031		1422
1032	$cf::PLAYER{$login} = $self;	1423	$cf::PLAYER{$login} = $self;
1033		1424
1034	$self	1425	$self
		1426	}
		1427
		1428	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1429
		1430	=cut
		1431
		1432	sub send_msg {
		1433	my $ns = shift->ns
		1434	or return;
		1435	$ns->send_msg (@_);
1035	}	1436	}
1036		1437
1037	=item $pl->quit_character	1438	=item $pl->quit_character
1038		1439
1039	Nukes the player without looking back. If logged in, the connection will	1440	Nukes the player without looking back. If logged in, the connection will
…		…
1088	while and may block, so not sync_job-capable, ever.	1489	while and may block, so not sync_job-capable, ever.
1089		1490
1090	=cut	1491	=cut
1091		1492
1092	sub list_logins {	1493	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1494	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1495	or return [];
1095		1496
1096	my @logins;	1497	my @logins;
1097		1498
1098	for my $login (@$dirs) {	1499	for my $login (@$dirs) {
		1500	my $path = path $login;
		1501
		1502	# a .pst is a dead give-away for a valid player
		1503	unless (-e "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1504	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1505	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1506	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1507	}
1102		1508
1103	utf8::decode $login;	1509	utf8::decode $login;
1104	push @logins, $login;	1510	push @logins, $login;
1105	}	1511	}
1106		1512
…		…
1133	}	1539	}
1134		1540
1135	\@paths	1541	\@paths
1136	}	1542	}
1137		1543
		1544	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1545
		1546	Expand crossfire pod fragments into protocol xml.
		1547
		1548	=cut
		1549
		1550	sub expand_cfpod {
		1551	((my $self), (local $_)) = @_;
		1552
		1553	# escape & and <
		1554	s/&/&amp;/g;
		1555	s/(?<![BIUGHT])</&lt;/g;
		1556
		1557	# this is buggy, it needs to properly take care of nested <'s
		1558
		1559	1 while
		1560	# replace B<>, I<>, U<> etc.
		1561	s/B<([^\>]*)>/<b>$1<\/b>/
		1562	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1563	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1564	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1565	# replace G<male|female> tags
		1566	|| s{G<([^>|]*)\|([^>]*)>}{
		1567	$self->gender ? $2 : $1
		1568	}ge
		1569	# replace H<hint text>
		1570	|| s{H<([^\>]*)>}
		1571	{
		1572	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1573	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1574	"")
		1575	[$self->{hintmode}]
		1576	}ge;
		1577
		1578	# create single paragraphs (very hackish)
		1579	s/(?<=\S)\n(?=\w)/ /g;
		1580
		1581	# compress some whitespace
		1582	s/\s+\n/\n/g; # ws line-ends
		1583	s/\n\n+/\n/g; # double lines
		1584	s/^\n+//; # beginning lines
		1585	s/\n+$//; # ending lines
		1586
		1587	$_
		1588	}
		1589
		1590	sub hintmode {
		1591	$_[0]{hintmode} = $_[1] if @_ > 1;
		1592	$_[0]{hintmode}
		1593	}
		1594
1138	=item $player->ext_reply ($msgid, %msg)	1595	=item $player->ext_reply ($msgid, @msg)
1139		1596
1140	Sends an ext reply to the player.	1597	Sends an ext reply to the player.
1141		1598
1142	=cut	1599	=cut
1143		1600
1144	sub ext_reply($$%) {	1601	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1602	my ($self, $id, @msg) = @_;
1146		1603
1147	$msg{msgid} = $id;	1604	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1605	}
1151		1606
1152	=item $player->ext_event ($type, %msg)	1607	=item $player->ext_msg ($type, @msg)
1153		1608
1154	Sends an ext event to the client.	1609	Sends an ext event to the client.
1155		1610
1156	=cut	1611	=cut
1157		1612
1158	sub ext_event($$%) {	1613	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1614	my ($self, $type, @msg) = @_;
1160		1615
1161	$self->ns->ext_event ($type, %msg);	1616	$self->ns->ext_msg ($type, @msg);
1162	}	1617	}
1163		1618
1164	=head3 cf::region	1619	=head3 cf::region
1165		1620
1166	=over 4	1621	=over 4
…		…
1169		1624
1170	package cf::region;	1625	package cf::region;
1171		1626
1172	=item cf::region::find_by_path $path	1627	=item cf::region::find_by_path $path
1173		1628
1174	Tries to decuce the probable region for a map knowing only its path.	1629	Tries to decuce the likely region for a map knowing only its path.
1175		1630
1176	=cut	1631	=cut
1177		1632
1178	sub find_by_path($) {	1633	sub find_by_path($) {
1179	my ($path) = @_;	1634	my ($path) = @_;
1180		1635
1181	my ($match, $specificity);	1636	my ($match, $specificity);
1182		1637
1183	for my $region (list) {	1638	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1639	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1640	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1641	if $region->specificity > $specificity;
1187	}	1642	}
1188	}	1643	}
1189		1644
…		…
1253	my ($self, $merge) = @_;	1708	my ($self, $merge) = @_;
1254		1709
1255	# we have to keep some variables in memory intact	1710	# we have to keep some variables in memory intact
1256	local $self->{path};	1711	local $self->{path};
1257	local $self->{load_path};	1712	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1713
1261	$self->SUPER::thawer_merge ($merge);	1714	$self->SUPER::thawer_merge ($merge);
1262	}	1715	}
1263		1716
1264	sub normalise {	1717	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1764	$self->init; # pass $1 etc.
1312	return $self;	1765	return $self;
1313	}	1766	}
1314	}	1767	}
1315		1768
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1769	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1770	()
1318	}	1771	}
1319		1772
1320	sub init {	1773	sub init {
1321	my ($self) = @_;	1774	my ($self) = @_;
…		…
1336		1789
1337	# the original (read-only) location	1790	# the original (read-only) location
1338	sub load_path {	1791	sub load_path {
1339	my ($self) = @_;	1792	my ($self) = @_;
1340		1793
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1794	"$MAPDIR/$self->{path}.map"
1342	}	1795	}
1343		1796
1344	# the temporary/swap location	1797	# the temporary/swap location
1345	sub save_path {	1798	sub save_path {
1346	my ($self) = @_;	1799	my ($self) = @_;
1347		1800
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1801	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1802	"$TMPDIR/$path.map"
1350	}	1803	}
1351		1804
1352	# the unique path, undef == no special unique path	1805	# the unique path, undef == no special unique path
1353	sub uniq_path {	1806	sub uniq_path {
1354	my ($self) = @_;	1807	my ($self) = @_;
1355		1808
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1809	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1810	"$UNIQUEDIR/$path"
1358	}	1811	}
1359		1812
1360	# and all this just because we cannot iterate over	1813	# and all this just because we cannot iterate over
1361	# all maps in C++...	1814	# all maps in C++...
1362	sub change_all_map_light {	1815	sub change_all_map_light {
…		…
1364		1817
1365	$_->change_map_light ($change)	1818	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1819	for grep $_->outdoor, values %cf::MAP;
1367	}	1820	}
1368		1821
		1822	sub decay_objects {
		1823	my ($self) = @_;
		1824
		1825	return if $self->{deny_reset};
		1826
		1827	$self->do_decay_objects;
		1828	}
		1829
1369	sub unlink_save {	1830	sub unlink_save {
1370	my ($self) = @_;	1831	my ($self) = @_;
1371		1832
1372	utf8::encode (my $save = $self->save_path);	1833	utf8::encode (my $save = $self->save_path);
1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1834	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1376		1837
1377	sub load_header_from($) {	1838	sub load_header_from($) {
1378	my ($self, $path) = @_;	1839	my ($self, $path) = @_;
1379		1840
1380	utf8::encode $path;	1841	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1842	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1843	or return;
		1844
		1845	$self->_load_header ($f)
		1846	or return;
		1847
		1848	local $MAP_LOADING{$self->{path}} = $self;
		1849	$f->resolve_delayed_derefs;
1386		1850
1387	$self->{load_path} = $path;	1851	$self->{load_path} = $path;
1388		1852
1389	1	1853	1
1390	}	1854	}
…		…
1429	$self->load_header_orig	1893	$self->load_header_orig
1430	or return;	1894	or return;
1431	$self->prepare_orig;	1895	$self->prepare_orig;
1432	}	1896	}
1433		1897
		1898	$self->{deny_reset} = 1
		1899	if $self->no_reset;
		1900
1434	$self->default_region (cf::region::find_by_path $self->{path})	1901	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1902	unless $self->default_region;
1436		1903
1437	1	1904	1
1438	}	1905	}
…		…
1441	sub find {	1908	sub find {
1442	my ($path, $origin) = @_;	1909	my ($path, $origin) = @_;
1443		1910
1444	$path = normalise $path, $origin && $origin->path;	1911	$path = normalise $path, $origin && $origin->path;
1445		1912
		1913	cf::lock_wait "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	1914	cf::lock_wait "map_find:$path";
1447		1915
1448	$cf::MAP{$path} || do {	1916	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";	1917	my $guard1 = cf::lock_acquire "map_find:$path";
		1918	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1919
1450	my $map = new_from_path cf::map $path	1920	my $map = new_from_path cf::map $path
1451	or return;	1921	or return;
1452		1922
1453	$map->{last_save} = $cf::RUNTIME;	1923	$map->{last_save} = $cf::RUNTIME;
1454		1924
1455	$map->load_header	1925	$map->load_header
1456	or return;	1926	or return;
1457		1927
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1928	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1929	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1930	#$cf::WAIT_FOR_TICK->wait;
		1931	undef $guard1;
		1932	undef $guard2;
1461	$map->reset;	1933	$map->reset;
1462	undef $guard;
1463	return find $path;	1934	return find $path;
1464	}	1935	}
1465		1936
1466	$cf::MAP{$path} = $map	1937	$cf::MAP{$path} = $map
1467	}	1938	}
…		…
1474	my ($self) = @_;	1945	my ($self) = @_;
1475		1946
1476	local $self->{deny_reset} = 1; # loading can take a long time	1947	local $self->{deny_reset} = 1; # loading can take a long time
1477		1948
1478	my $path = $self->{path};	1949	my $path = $self->{path};
		1950
		1951	{
1479	my $guard = cf::lock_acquire "map_load:$path";	1952	my $guard = cf::lock_acquire "map_data:$path";
1480		1953
		1954	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	1955	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		1956
1483	$self->in_memory (cf::MAP_LOADING);	1957	$self->in_memory (cf::MAP_LOADING);
1484		1958
1485	$self->alloc;	1959	$self->alloc;
1486		1960
1487	$self->pre_load;	1961	$self->pre_load;
1488	Coro::cede;	1962	cf::cede_to_tick;
1489		1963
1490	$self->_load_objects ($self->{load_path}, 1)	1964	my $f = new_from_file cf::object::thawer $self->{load_path};
		1965	$f->skip_block;
		1966	$self->_load_objects ($f)
1491	or return;	1967	or return;
1492		1968
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1969	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1494	if delete $self->{load_original};	1970	if delete $self->{load_original};
1495		1971
1496	if (my $uniq = $self->uniq_path) {	1972	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	1973	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	1974	unless (aio_stat $uniq) {
		1975	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	1976	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	1977	$self->_load_objects ($f);
		1978	$f->resolve_delayed_derefs;
		1979	}
1501	}	1980	}
1502	}	1981	}
1503		1982
1504	Coro::cede;	1983	$f->resolve_delayed_derefs;
		1984
		1985	cf::cede_to_tick;
1505	# now do the right thing for maps	1986	# now do the right thing for maps
1506	$self->link_multipart_objects;	1987	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($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)	1988	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	1989	unless $self->difficulty;
1517	Coro::cede;	1990	cf::cede_to_tick;
		1991
		1992	unless ($self->{deny_activate}) {
		1993	$self->decay_objects;
		1994	$self->fix_auto_apply;
		1995	$self->update_buttons;
		1996	cf::cede_to_tick;
		1997	$self->set_darkness_map;
		1998	cf::cede_to_tick;
1518	$self->activate;	1999	$self->activate;
1519	Coro::cede;	2000	}
		2001
		2002	$self->{last_save} = $cf::RUNTIME;
		2003	$self->last_access ($cf::RUNTIME);
		2004
		2005	$self->in_memory (cf::MAP_IN_MEMORY);
1520	}	2006	}
1521		2007
1522	$self->post_load;	2008	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2009	}
1527		2010
1528	sub customise_for {	2011	sub customise_for {
1529	my ($self, $ob) = @_;	2012	my ($self, $ob) = @_;
1530		2013
1531	return find "~" . $ob->name . "/" . $self->{path}	2014	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2015	if $self->per_player;
1533		2016
		2017	# return find "?party/" . $ob->name . "/" . $self->{path}
		2018	# if $self->per_party;
		2019
1534	$self	2020	$self
1535	}	2021	}
1536		2022
1537	# find and load all maps in the 3x3 area around a map	2023	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2024	sub load_neighbours {
1539	my ($map) = @_;	2025	my ($map) = @_;
1540		2026
1541	my @diag; # diagonal neighbours	2027	my @neigh; # diagonal neighbours
1542		2028
1543	for (0 .. 3) {	2029	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2030	my $neigh = $map->tile_path ($_)
1545	or next;	2031	or next;
1546	$neigh = find $neigh, $map	2032	$neigh = find $neigh, $map
1547	or next;	2033	or next;
1548	$neigh->load;	2034	$neigh->load;
1549		2035
		2036	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2037	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2038	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2039	}
1553		2040
1554	for (@diag) {	2041	for (grep defined $_->[0], @neigh) {
		2042	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2043	my $neigh = find $path, $origin
1556	or next;	2044	or next;
1557	$neigh->load;	2045	$neigh->load;
1558	}	2046	}
1559	}	2047	}
1560		2048
…		…
1565	}	2053	}
1566		2054
1567	sub do_load_sync {	2055	sub do_load_sync {
1568	my ($map) = @_;	2056	my ($map) = @_;
1569		2057
		2058	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2059	if $Coro::current == $Coro::main;
		2060
1570	cf::sync_job { $map->load };	2061	cf::sync_job { $map->load };
1571	}	2062	}
1572		2063
1573	our %MAP_PREFETCH;	2064	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2065	our $MAP_PREFETCHER = undef;
1575		2066
1576	sub find_async {	2067	sub find_async {
1577	my ($path, $origin) = @_;	2068	my ($path, $origin, $load) = @_;
1578		2069
1579	$path = normalise $path, $origin && $origin->{path};	2070	$path = normalise $path, $origin && $origin->{path};
1580		2071
1581	if (my $map = $cf::MAP{$path}) {	2072	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2073	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1583	}	2074	}
1584		2075
1585	undef $MAP_PREFETCH{$path};	2076	$MAP_PREFETCH{$path} |= $load;
		2077
1586	$MAP_PREFETCHER ||= cf::async {	2078	$MAP_PREFETCHER ||= cf::async {
		2079	$Coro::current->{desc} = "map prefetcher";
		2080
1587	while (%MAP_PREFETCH) {	2081	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2082	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2083	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2084	$map->load if $v;
		2085	}
1592		2086
1593	delete $MAP_PREFETCH{$path};	2087	delete $MAP_PREFETCH{$k};
1594	}	2088	}
1595	}	2089	}
1596	undef $MAP_PREFETCHER;	2090	undef $MAP_PREFETCHER;
1597	};	2091	};
1598	$MAP_PREFETCHER->prio (6);	2092	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2095	}
1602		2096
1603	sub save {	2097	sub save {
1604	my ($self) = @_;	2098	my ($self) = @_;
1605		2099
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2101
1608	$self->{last_save} = $cf::RUNTIME;	2102	$self->{last_save} = $cf::RUNTIME;
1609		2103
1610	return unless $self->dirty;	2104	return unless $self->dirty;
1611		2105
…		…
1617	return if $self->{deny_save};	2111	return if $self->{deny_save};
1618		2112
1619	local $self->{last_access} = $self->last_access;#d#	2113	local $self->{last_access} = $self->last_access;#d#
1620		2114
1621	cf::async {	2115	cf::async {
		2116	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2117	$_->contr->save for $self->players;
1623	};	2118	};
1624		2119
1625	if ($uniq) {	2120	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2121	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1634	my ($self) = @_;	2129	my ($self) = @_;
1635		2130
1636	# save first because save cedes	2131	# save first because save cedes
1637	$self->save;	2132	$self->save;
1638		2133
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2135
1641	return if $self->players;	2136	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2137	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};	2138	return if $self->{deny_save};
1644		2139
		2140	$self->in_memory (cf::MAP_SWAPPED);
		2141
		2142	$self->deactivate;
		2143	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2144	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2145	}
1648		2146
1649	sub reset_at {	2147	sub reset_at {
1650	my ($self) = @_;	2148	my ($self) = @_;
1651		2149
1652	# TODO: safety, remove and allow resettable per-player maps	2150	# 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};	2151	return 1e99 if $self->{deny_reset};
1655		2152
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2153	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2154	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2155
…		…
1669	my ($self) = @_;	2166	my ($self) = @_;
1670		2167
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2168	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2169
1673	return if $self->players;	2170	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2171
1676	warn "resetting map ", $self->path;#d#	2172	warn "resetting map ", $self->path;
1677		2173
1678	$self->in_memory (cf::MAP_SWAPPED);	2174	$self->in_memory (cf::MAP_SWAPPED);
1679		2175
1680	# need to save uniques path	2176	# need to save uniques path
1681	unless ($self->{deny_save}) {	2177	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2181	if $uniq;
1686	}	2182	}
1687		2183
1688	delete $cf::MAP{$self->path};	2184	delete $cf::MAP{$self->path};
1689		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2188	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2189
1694	$self->unlink_save;	2190	$self->unlink_save;
1695	$self->destroy;	2191	$self->destroy;
1696	}	2192	}
1697		2193
1698	my $nuke_counter = "aaaa";	2194	my $nuke_counter = "aaaa";
1699		2195
1700	sub nuke {	2196	sub nuke {
1701	my ($self) = @_;	2197	my ($self) = @_;
1702		2198
		2199	{
		2200	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2201
1703	delete $cf::MAP{$self->path};	2202	delete $cf::MAP{$self->path};
1704		2203
1705	$self->unlink_save;	2204	$self->unlink_save;
1706		2205
1707	bless $self, "cf::map";	2206	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2207	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2208	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2209	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2210	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2211
1713	$cf::MAP{$self->path} = $self;	2212	$cf::MAP{$self->path} = $self;
		2213	}
1714		2214
1715	$self->reset; # polite request, might not happen	2215	$self->reset; # polite request, might not happen
		2216	}
		2217
		2218	=item $maps = cf::map::tmp_maps
		2219
		2220	Returns an arrayref with all map paths of currently instantiated and saved
		2221	maps. May block.
		2222
		2223	=cut
		2224
		2225	sub tmp_maps() {
		2226	[
		2227	map {
		2228	utf8::decode $_;
		2229	/\.map$/
		2230	? normalise $_
		2231	: ()
		2232	} @{ aio_readdir $TMPDIR or [] }
		2233	]
		2234	}
		2235
		2236	=item $maps = cf::map::random_maps
		2237
		2238	Returns an arrayref with all map paths of currently instantiated and saved
		2239	random maps. May block.
		2240
		2241	=cut
		2242
		2243	sub random_maps() {
		2244	[
		2245	map {
		2246	utf8::decode $_;
		2247	/\.map$/
		2248	? normalise "?random/$_"
		2249	: ()
		2250	} @{ aio_readdir $RANDOMDIR or [] }
		2251	]
1716	}	2252	}
1717		2253
1718	=item cf::map::unique_maps	2254	=item cf::map::unique_maps
1719		2255
1720	Returns an arrayref of paths of all shared maps that have	2256	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2257	instantiated unique items. May block.
1722		2258
1723	=cut	2259	=cut
1724		2260
1725	sub unique_maps() {	2261	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2262	[
1727	or return;	2263	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2264	utf8::decode $_;
1733	next if /\.pst$/;	2265	/\.map$/
1734	next unless /^$PATH_SEP/o;	2266	? normalise $_
1735		2267	: ()
1736	push @paths, cf::map::normalise $_;	2268	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2269	]
1738
1739	\@paths
1740	}	2270	}
1741		2271
1742	package cf;	2272	package cf;
1743		2273
1744	=back	2274	=back
…		…
1762	map { $_, inv_recursive_ $_->inv } @_	2292	map { $_, inv_recursive_ $_->inv } @_
1763	}	2293	}
1764		2294
1765	sub inv_recursive {	2295	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2296	inv_recursive_ inv $_[0]
		2297	}
		2298
		2299	=item $ref = $ob->ref
		2300
		2301	creates and returns a persistent reference to an objetc that can be stored as a string.
		2302
		2303	=item $ob = cf::object::deref ($refstring)
		2304
		2305	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2306	even if the object actually exists. May block.
		2307
		2308	=cut
		2309
		2310	sub deref {
		2311	my ($ref) = @_;
		2312
		2313	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2314	my ($uuid, $name) = ($1, $2);
		2315	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2316	or return;
		2317	$pl->ob->uuid eq $uuid
		2318	or return;
		2319
		2320	$pl->ob
		2321	} else {
		2322	warn "$ref: cannot resolve object reference\n";
		2323	undef
		2324	}
1767	}	2325	}
1768		2326
1769	package cf;	2327	package cf;
1770		2328
1771	=back	2329	=back
…		…
1790		2348
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2349	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2350
1793	if ($self->{record_replies}) {	2351	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2352	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2353
1795	} else {	2354	} else {
		2355	my $pl = $self->contr;
		2356
		2357	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2358	my $dialog = $pl->{npc_dialog};
		2359	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2360
		2361	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2362	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2363	$self->message ($msg, $flags);
		2364	}
1798	}	2365	}
		2366	}
		2367
		2368	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2369
		2370	=cut
		2371
		2372	sub cf::object::send_msg {
		2373	my $pl = shift->contr
		2374	or return;
		2375	$pl->send_msg (@_);
1799	}	2376	}
1800		2377
1801	=item $player_object->may ("access")	2378	=item $player_object->may ("access")
1802		2379
1803	Returns wether the given player is authorized to access resource "access"	2380	Returns wether the given player is authorized to access resource "access"
…		…
1850	$self->deactivate_recursive;	2427	$self->deactivate_recursive;
1851		2428
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2429	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2430
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2431	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2432	if $self->map && $self->map->{path} ne "{link}";
1856		2433
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2434	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2435	}
1859		2436
1860	sub cf::object::player::leave_link {	2437	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2438	my ($self, $map, $x, $y) = @_;
		2439
		2440	return unless $self->contr->active;
1862		2441
1863	my $link_pos = delete $self->{_link_pos};	2442	my $link_pos = delete $self->{_link_pos};
1864		2443
1865	unless ($map) {	2444	unless ($map) {
1866	# restore original map position	2445	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2459	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2460	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2461	if $x <=0 && $y <= 0;
1883		2462
1884	$map->load;	2463	$map->load;
1885	$map->load_diag;	2464	$map->load_neighbours;
1886		2465
1887	return unless $self->contr->active;	2466	return unless $self->contr->active;
1888	$self->activate_recursive;	2467	$self->activate_recursive;
1889		2468
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2469	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2470	$self->enter_map ($map, $x, $y);
1892	}	2471	}
1893		2472
1894	cf::player->attach (	2473	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2474
1898	# abort map switching before logout	2475	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2476	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2477	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2478	the new (success) or old (failed) map position. In either case, $done will
1902	};	2479	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2480
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	2481	=cut
		2482
		2483	our $GOTOGEN;
1929		2484
1930	sub cf::object::player::goto {	2485	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2486	my ($self, $path, $x, $y, $check, $done) = @_;
		2487
		2488	# do generation counting so two concurrent goto's will be executed in-order
		2489	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2490
1933	$self->enter_link;	2491	$self->enter_link;
1934		2492
1935	(async {	2493	(async {
		2494	$Coro::current->{desc} = "player::goto $path $x $y";
		2495
		2496	# *tag paths override both path and x|y
		2497	if ($path =~ /^\*(.*)$/) {
		2498	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2499	my $ob = $obs[rand @obs];
		2500
		2501	# see if we actually can go there
		2502	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2503	$ob = $obs[rand @obs];
		2504	} else {
		2505	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2506	}
		2507	# else put us there anyways for now #d#
		2508
		2509	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2510	} else {
		2511	($path, $x, $y) = (undef, undef, undef);
		2512	}
		2513	}
		2514
1936	my $map = eval {	2515	my $map = eval {
1937	my $map = cf::map::find $path;	2516	my $map = defined $path ? cf::map::find $path : undef;
		2517
		2518	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2519	$map = $map->customise_for ($self);
		2520	$map = $check->($map) if $check && $map;
		2521	} else {
		2522	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2523	}
		2524
1939	$map	2525	$map
		2526	};
		2527
		2528	if ($@) {
		2529	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2530	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2531	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2532
		2533	if ($gen == $self->{_goto_generation}) {
		2534	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2535	$self->leave_link ($map, $x, $y);
		2536	}
		2537
		2538	$done->() if $done;
1944	})->prio (1);	2539	})->prio (1);
1945	}	2540	}
1946		2541
1947	=item $player_object->enter_exit ($exit_object)	2542	=item $player_object->enter_exit ($exit_object)
1948		2543
…		…
1987		2582
1988	$rmp->{random_seed} ||= $exit->random_seed;	2583	$rmp->{random_seed} ||= $exit->random_seed;
1989		2584
1990	my $data = cf::to_json $rmp;	2585	my $data = cf::to_json $rmp;
1991	my $md5 = Digest::MD5::md5_hex $data;	2586	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2587	my $meta = "$RANDOMDIR/$md5.meta";
1993		2588
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2589	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2590	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2591	undef $fh;
1997	aio_rename "$meta~", $meta;	2592	aio_rename "$meta~", $meta;
…		…
2017	my $hp = $exit->stats->hp;	2612	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;	2613	my $sp = $exit->stats->sp;
2019		2614
2020	$self->enter_link;	2615	$self->enter_link;
2021		2616
		2617	# if exit is damned, update players death & WoR home-position
		2618	$self->contr->savebed ($slaying, $hp, $sp)
		2619	if $exit->flag (FLAG_DAMNED);
		2620
2022	(async {	2621	(async {
		2622	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2623
2023	$self->deactivate_recursive; # just to be sure	2624	$self->deactivate_recursive; # just to be sure
2024	unless (eval {	2625	unless (eval {
2025	$self->goto ($slaying, $hp, $sp);	2626	$self->goto ($slaying, $hp, $sp);
2026		2627
2027	1;	2628	1;
…		…
2053		2654
2054	utf8::encode $text;	2655	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2656	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2657	}
2057		2658
		2659	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2660
		2661	Send a drawinfo or msg packet to the client, formatting the msg for the
		2662	client if neccessary. C<$type> should be a string identifying the type of
		2663	the message, with C<log> being the default. If C<$color> is negative, suppress
		2664	the message unless the client supports the msg packet.
		2665
		2666	=cut
		2667
		2668	our %CHANNEL = (
		2669	"c/identify" => {
		2670	id => "infobox",
		2671	title => "Identify",
		2672	reply => undef,
		2673	tooltip => "Items recently identified",
		2674	},
		2675	"c/examine" => {
		2676	id => "infobox",
		2677	title => "Examine",
		2678	reply => undef,
		2679	tooltip => "Signs and other items you examined",
		2680	},
		2681	"c/lookat" => {
		2682	id => "infobox",
		2683	title => "Look",
		2684	reply => undef,
		2685	tooltip => "What you saw there",
		2686	},
		2687	);
		2688
		2689	sub cf::client::send_msg {
		2690	my ($self, $channel, $msg, $color, @extra) = @_;
		2691
		2692	$msg = $self->pl->expand_cfpod ($msg);
		2693
		2694	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2695
		2696	# check predefined channels, for the benefit of C
		2697	if ($CHANNEL{$channel}) {
		2698	$channel = $CHANNEL{$channel};
		2699
		2700	$self->ext_msg (channel_info => $channel)
		2701	if $self->can_msg;
		2702
		2703	$channel = $channel->{id};
		2704
		2705	} elsif (ref $channel) {
		2706	# send meta info to client, if not yet sent
		2707	unless (exists $self->{channel}{$channel->{id}}) {
		2708	$self->{channel}{$channel->{id}} = $channel;
		2709	$self->ext_msg (channel_info => $channel)
		2710	if $self->can_msg;
		2711	}
		2712
		2713	$channel = $channel->{id};
		2714	}
		2715
		2716	return unless @extra || length $msg;
		2717
		2718	if ($self->can_msg) {
		2719	# default colour, mask it out
		2720	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2721	if $color & cf::NDI_DEF;
		2722
		2723	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2724	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2725	} else {
		2726	if ($color >= 0) {
		2727	# replace some tags by gcfclient-compatible ones
		2728	for ($msg) {
		2729	1 while
		2730	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2731	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2732	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2733	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2734	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2735	}
		2736
		2737	$color &= cf::NDI_COLOR_MASK;
		2738
		2739	utf8::encode $msg;
		2740
		2741	if (0 && $msg =~ /\[/) {
		2742	# COMMAND/INFO
		2743	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2744	} else {
		2745	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2746	$self->send_packet ("drawinfo $color $msg")
		2747	}
		2748	}
		2749	}
		2750	}
		2751
2058	=item $client->ext_event ($type, %msg)	2752	=item $client->ext_msg ($type, @msg)
2059		2753
2060	Sends an exti event to the client.	2754	Sends an ext event to the client.
2061		2755
2062	=cut	2756	=cut
2063		2757
2064	sub cf::client::ext_event($$%) {	2758	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2759	my ($self, $type, @msg) = @_;
2066		2760
		2761	if ($self->extcmd == 2) {
		2762	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2763	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2764	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	2765	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2766	}
		2767	}
		2768
		2769	=item $client->ext_reply ($msgid, @msg)
		2770
		2771	Sends an ext reply to the client.
		2772
		2773	=cut
		2774
		2775	sub cf::client::ext_reply($$@) {
		2776	my ($self, $id, @msg) = @_;
		2777
		2778	if ($self->extcmd == 2) {
		2779	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2780	} elsif ($self->extcmd == 1) {
		2781	#TODO: version 1, remove
		2782	unshift @msg, msgtype => "reply", msgid => $id;
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2784	}
2069	}	2785	}
2070		2786
2071	=item $success = $client->query ($flags, "text", \&cb)	2787	=item $success = $client->query ($flags, "text", \&cb)
2072		2788
2073	Queues a query to the client, calling the given callback with	2789	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>,	2790	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>.	2791	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		2792
2077	Queries can fail, so check the return code. Or don't, as queries will become	2793	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	2794	become reliable at some point in the future.
2079		2795
2080	=cut	2796	=cut
2081		2797
2082	sub cf::client::query {	2798	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2799	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2807	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2808	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2809
2094	$self->send_packet ($self->{query_queue}[0][0])	2810	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2811	if @{ $self->{query_queue} } == 1;
		2812
		2813	1
2096	}	2814	}
2097		2815
2098	cf::client->attach (	2816	cf::client->attach (
		2817	on_connect => sub {
		2818	my ($ns) = @_;
		2819
		2820	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2821	},
2099	on_reply => sub {	2822	on_reply => sub {
2100	my ($ns, $msg) = @_;	2823	my ($ns, $msg) = @_;
2101		2824
2102	# this weird shuffling is so that direct followup queries	2825	# this weird shuffling is so that direct followup queries
2103	# get handled first	2826	# get handled first
…		…
2115	} else {	2838	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2839	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2840	}
2118	}	2841	}
2119	},	2842	},
		2843	on_exticmd => sub {
		2844	my ($ns, $buf) = @_;
		2845
		2846	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2847
		2848	if (ref $msg) {
		2849	my ($type, $reply, @payload) =
		2850	"ARRAY" eq ref $msg
		2851	? @$msg
		2852	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2853
		2854	my @reply;
		2855
		2856	if (my $cb = $EXTICMD{$type}) {
		2857	@reply = $cb->($ns, @payload);
		2858	}
		2859
		2860	$ns->ext_reply ($reply, @reply)
		2861	if $reply;
		2862
		2863	} else {
		2864	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2865	}
		2866
		2867	cf::override;
		2868	},
2120	);	2869	);
2121		2870
2122	=item $client->async (\&cb)	2871	=item $client->async (\&cb)
2123		2872
2124	Create a new coroutine, running the specified callback. The coroutine will	2873	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	2914	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	2915	our $safe_hole = new Safe::Hole;
2167		2916
2168	$SIG{FPE} = 'IGNORE';	2917	$SIG{FPE} = 'IGNORE';
2169		2918
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2919	$safe->permit_only (Opcode::opset qw(
		2920	:base_core :base_mem :base_orig :base_math
		2921	grepstart grepwhile mapstart mapwhile
		2922	sort time
		2923	));
2171		2924
2172	# here we export the classes and methods available to script code	2925	# here we export the classes and methods available to script code
2173		2926
2174	=pod	2927	=pod
2175		2928
2176	The following functions and methods are available within a safe environment:	2929	The following functions and methods are available within a safe environment:
2177		2930
2178	cf::object contr pay_amount pay_player map	2931	cf::object
		2932	contr pay_amount pay_player map x y force_find force_add destroy
		2933	insert remove name archname title slaying race decrease_ob_nr
		2934
2179	cf::object::player player	2935	cf::object::player
2180	cf::player peaceful	2936	player
2181	cf::map trigger	2937
		2938	cf::player
		2939	peaceful
		2940
		2941	cf::map
		2942	trigger
2182		2943
2183	=cut	2944	=cut
2184		2945
2185	for (	2946	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	2947	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2948	insert remove inv name archname title slaying race
		2949	decrease_ob_nr destroy)],
2187	["cf::object::player" => qw(player)],	2950	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	2951	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	2952	["cf::map" => qw(trigger)],
2190	) {	2953	) {
2191	no strict 'refs';	2954	no strict 'refs';
…		…
2262	=back	3025	=back
2263		3026
2264	=cut	3027	=cut
2265		3028
2266	#############################################################################	3029	#############################################################################
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	eval {
2420	local $SIG{__DIE__};
2421	local $SIG{__WARN__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	_exit 0;
2429	}
2430	}
2431
2432
2433
2434	#############################################################################
2435	# the server's init and main functions	3030	# the server's init and main functions
2436		3031
2437	sub load_facedata($) {	3032	sub load_facedata($) {
2438	my ($path) = @_;	3033	my ($path) = @_;
		3034
		3035	# HACK to clear player env face cache, we need some signal framework
		3036	# for this (global event?)
		3037	%ext::player_env::MUSIC_FACE_CACHE = ();
		3038
		3039	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2439		3040
2440	warn "loading facedata from $path\n";	3041	warn "loading facedata from $path\n";
2441		3042
2442	my $facedata;	3043	my $facedata;
2443	0 < aio_load $path, $facedata	3044	0 < aio_load $path, $facedata
…		…
2446	$facedata = Coro::Storable::thaw $facedata;	3047	$facedata = Coro::Storable::thaw $facedata;
2447		3048
2448	$facedata->{version} == 2	3049	$facedata->{version} == 2
2449	or cf::cleanup "$path: version mismatch, cannot proceed.";	3050	or cf::cleanup "$path: version mismatch, cannot proceed.";
2450		3051
		3052	# patch in the exptable
		3053	$facedata->{resource}{"res/exp_table"} = {
		3054	type => FT_RSRC,
		3055	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3056	};
		3057	cf::cede_to_tick;
		3058
2451	{	3059	{
2452	my $faces = $facedata->{faceinfo};	3060	my $faces = $facedata->{faceinfo};
2453		3061
2454	while (my ($face, $info) = each %$faces) {	3062	while (my ($face, $info) = each %$faces) {
2455	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3063	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2456	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3064	cf::face::set_visibility $idx, $info->{visibility};
		3065	cf::face::set_magicmap $idx, $info->{magicmap};
2457	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3066	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2458	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3067	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2459	Coro::cede;	3068
		3069	cf::cede_to_tick;
2460	}	3070	}
2461		3071
2462	while (my ($face, $info) = each %$faces) {	3072	while (my ($face, $info) = each %$faces) {
2463	next unless $info->{smooth};	3073	next unless $info->{smooth};
2464	my $idx = cf::face::find $face	3074	my $idx = cf::face::find $face
2465	or next;	3075	or next;
2466	if (my $smooth = cf::face::find $info->{smooth}) {	3076	if (my $smooth = cf::face::find $info->{smooth}) {
		3077	cf::face::set_smooth $idx, $smooth;
2467	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3078	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2468	} else {	3079	} else {
2469	warn "smooth face '$info->{smooth}' not found for face '$face'";	3080	warn "smooth face '$info->{smooth}' not found for face '$face'";
2470	}	3081	}
2471	Coro::cede;	3082
		3083	cf::cede_to_tick;
2472	}	3084	}
2473	}	3085	}
2474		3086
2475	{	3087	{
2476	my $anims = $facedata->{animinfo};	3088	my $anims = $facedata->{animinfo};
2477		3089
2478	while (my ($anim, $info) = each %$anims) {	3090	while (my ($anim, $info) = each %$anims) {
2479	cf::anim::set $anim, $info->{frames}, $info->{facings};	3091	cf::anim::set $anim, $info->{frames}, $info->{facings};
2480	Coro::cede;	3092	cf::cede_to_tick;
2481	}	3093	}
2482		3094
2483	cf::anim::invalidate_all; # d'oh	3095	cf::anim::invalidate_all; # d'oh
2484	}	3096	}
2485		3097
		3098	{
		3099	# TODO: for gcfclient pleasure, we should give resources
		3100	# that gcfclient doesn't grok a >10000 face index.
		3101	my $res = $facedata->{resource};
		3102
		3103	my $soundconf = delete $res->{"res/sound.conf"};
		3104
		3105	while (my ($name, $info) = each %$res) {
		3106	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3107	my $data;
		3108
		3109	if ($info->{type} & 1) {
		3110	# prepend meta info
		3111
		3112	my $meta = $enc->encode ({
		3113	name => $name,
		3114	%{ $info->{meta} || {} },
		3115	});
		3116
		3117	$data = pack "(w/a*)*", $meta, $info->{data};
		3118	} else {
		3119	$data = $info->{data};
		3120	}
		3121
		3122	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3123	cf::face::set_type $idx, $info->{type};
		3124
		3125	cf::cede_to_tick;
		3126	}
		3127
		3128	if ($soundconf) {
		3129	$soundconf = $enc->decode (delete $soundconf->{data});
		3130
		3131	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3132	my $sound = $soundconf->{compat}[$_]
		3133	or next;
		3134
		3135	my $face = cf::face::find "sound/$sound->[1]";
		3136	cf::sound::set $sound->[0] => $face;
		3137	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3138	}
		3139
		3140	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3141	my $face = cf::face::find "sound/$v";
		3142	cf::sound::set $k => $face;
		3143	}
		3144	}
		3145	}
		3146
2486	1	3147	1
2487	}	3148	}
2488		3149
		3150	register_exticmd fx_want => sub {
		3151	my ($ns, $want) = @_;
		3152
		3153	while (my ($k, $v) = each %$want) {
		3154	$ns->fx_want ($k, $v);
		3155	}
		3156	};
		3157
		3158	sub reload_regions {
		3159	# HACK to clear player env face cache, we need some signal framework
		3160	# for this (global event?)
		3161	%ext::player_env::MUSIC_FACE_CACHE = ();
		3162
		3163	load_resource_file "$MAPDIR/regions"
		3164	or die "unable to load regions file\n";
		3165
		3166	for (cf::region::list) {
		3167	$_->{match} = qr/$_->{match}/
		3168	if exists $_->{match};
		3169	}
		3170	}
		3171
2489	sub reload_facedata {	3172	sub reload_facedata {
2490	load_facedata sprintf "%s/facedata", cf::datadir	3173	load_facedata "$DATADIR/facedata"
2491	or die "unable to load facedata\n";	3174	or die "unable to load facedata\n";
2492	}	3175	}
2493		3176
2494	sub reload_regions {
2495	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2496	or die "unable to load regions file\n";
2497	}
2498
2499	sub reload_archetypes {	3177	sub reload_archetypes {
2500	load_resource_file sprintf "%s/archetypes", cf::datadir	3178	load_resource_file "$DATADIR/archetypes"
2501	or die "unable to load archetypes\n";	3179	or die "unable to load archetypes\n";
		3180	#d# NEED to laod twice to resolve forward references
		3181	# this really needs to be done in an extra post-pass
		3182	# (which needs to be synchronous, so solve it differently)
		3183	load_resource_file "$DATADIR/archetypes"
		3184	or die "unable to load archetypes\n";
2502	}	3185	}
2503		3186
2504	sub reload_treasures {	3187	sub reload_treasures {
2505	load_resource_file sprintf "%s/treasures", cf::datadir	3188	load_resource_file "$DATADIR/treasures"
2506	or die "unable to load treasurelists\n";	3189	or die "unable to load treasurelists\n";
2507	}	3190	}
2508		3191
2509	sub reload_resources {	3192	sub reload_resources {
2510	warn "reloading resource files...\n";	3193	warn "reloading resource files...\n";
2511		3194
2512	reload_regions;	3195	reload_regions;
2513	reload_facedata;	3196	reload_facedata;
		3197	#reload_archetypes;#d#
2514	reload_archetypes;	3198	reload_archetypes;
2515	reload_treasures;	3199	reload_treasures;
2516		3200
2517	warn "finished reloading resource files\n";	3201	warn "finished reloading resource files\n";
2518	}	3202	}
2519		3203
2520	sub init {	3204	sub init {
2521	reload_resources;	3205	reload_resources;
2522	}	3206	}
2523		3207
2524	sub cfg_load {	3208	sub reload_config {
2525	open my $fh, "<:utf8", cf::confdir . "/config"	3209	open my $fh, "<:utf8", "$CONFDIR/config"
2526	or return;	3210	or return;
2527		3211
2528	local $/;	3212	local $/;
2529	*CFG = YAML::Syck::Load <$fh>;	3213	*CFG = YAML::Syck::Load <$fh>;
2530		3214
…		…
2545	sub main {	3229	sub main {
2546	# we must not ever block the main coroutine	3230	# we must not ever block the main coroutine
2547	local $Coro::idle = sub {	3231	local $Coro::idle = sub {
2548	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2549	(async {	3233	(async {
		3234	$Coro::current->{desc} = "IDLE BUG HANDLER";
2550	Event::one_event;	3235	Event::one_event;
2551	})->prio (Coro::PRIO_MAX);	3236	})->prio (Coro::PRIO_MAX);
2552	};	3237	};
2553		3238
2554	cfg_load;	3239	reload_config;
2555	db_init;	3240	db_init;
2556	load_extensions;	3241	load_extensions;
2557		3242
2558	$TICK_WATCHER->start;	3243	$TICK_WATCHER->start;
2559	Event::loop;	3244	Event::loop;
…		…
2575	},	3260	},
2576	);	3261	);
2577	}	3262	}
2578	}	3263	}
2579		3264
		3265	sub write_runtime {
		3266	my $runtime = "$LOCALDIR/runtime";
		3267
		3268	# first touch the runtime file to show we are still running:
		3269	# the fsync below can take a very very long time.
		3270
		3271	IO::AIO::aio_utime $runtime, undef, undef;
		3272
		3273	my $guard = cf::lock_acquire "write_runtime";
		3274
		3275	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3276	or return;
		3277
		3278	my $value = $cf::RUNTIME + 90 + 10;
		3279	# 10 is the runtime save interval, for a monotonic clock
		3280	# 60 allows for the watchdog to kill the server.
		3281
		3282	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3283	and return;
		3284
		3285	# always fsync - this file is important
		3286	aio_fsync $fh
		3287	and return;
		3288
		3289	# touch it again to show we are up-to-date
		3290	aio_utime $fh, undef, undef;
		3291
		3292	close $fh
		3293	or return;
		3294
		3295	aio_rename "$runtime~", $runtime
		3296	and return;
		3297
		3298	warn "runtime file written.\n";
		3299
		3300	1
		3301	}
		3302
2580	sub emergency_save() {	3303	sub emergency_save() {
2581	my $freeze_guard = cf::freeze_mainloop;	3304	my $freeze_guard = cf::freeze_mainloop;
2582		3305
2583	warn "enter emergency perl save\n";	3306	warn "enter emergency perl save\n";
2584		3307
…		…
2588	# and maps saved/destroyed asynchronously.	3311	# and maps saved/destroyed asynchronously.
2589	warn "begin emergency player save\n";	3312	warn "begin emergency player save\n";
2590	for my $login (keys %cf::PLAYER) {	3313	for my $login (keys %cf::PLAYER) {
2591	my $pl = $cf::PLAYER{$login} or next;	3314	my $pl = $cf::PLAYER{$login} or next;
2592	$pl->valid or next;	3315	$pl->valid or next;
		3316	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2593	$pl->save;	3317	$pl->save;
2594	}	3318	}
2595	warn "end emergency player save\n";	3319	warn "end emergency player save\n";
2596		3320
2597	warn "begin emergency map save\n";	3321	warn "begin emergency map save\n";
…		…
2659	%EXT_CORO = ();	3383	%EXT_CORO = ();
2660		3384
2661	warn "removing commands";	3385	warn "removing commands";
2662	%COMMAND = ();	3386	%COMMAND = ();
2663		3387
2664	warn "removing ext commands";	3388	warn "removing ext/exti commands";
2665	%EXTCMD = ();	3389	%EXTCMD = ();
		3390	%EXTICMD = ();
2666		3391
2667	warn "unloading/nuking all extensions";	3392	warn "unloading/nuking all extensions";
2668	for my $pkg (@EXTS) {	3393	for my $pkg (@EXTS) {
2669	warn "... unloading $pkg";	3394	warn "... unloading $pkg";
2670		3395
…		…
2700	Symbol::delete_package "safe::$_"	3425	Symbol::delete_package "safe::$_"
2701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3426	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2702		3427
2703	warn "unloading cf.pm \"a bit\"";	3428	warn "unloading cf.pm \"a bit\"";
2704	delete $INC{"cf.pm"};	3429	delete $INC{"cf.pm"};
		3430	delete $INC{"cf/pod.pm"};
2705		3431
2706	# don't, removes xs symbols, too,	3432	# don't, removes xs symbols, too,
2707	# and global variables created in xs	3433	# and global variables created in xs
2708	#Symbol::delete_package __PACKAGE__;	3434	#Symbol::delete_package __PACKAGE__;
2709		3435
…		…
2712	warn "reloading cf.pm";	3438	warn "reloading cf.pm";
2713	require cf;	3439	require cf;
2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3440	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2715		3441
2716	warn "loading config and database again";	3442	warn "loading config and database again";
2717	cf::cfg_load;	3443	cf::reload_config;
2718		3444
2719	warn "loading extensions";	3445	warn "loading extensions";
2720	cf::load_extensions;	3446	cf::load_extensions;
2721		3447
2722	warn "reattaching attachments to objects/players";	3448	warn "reattaching attachments to objects/players";
…		…
2758	register_command "reload" => sub {	3484	register_command "reload" => sub {
2759	my ($who, $arg) = @_;	3485	my ($who, $arg) = @_;
2760		3486
2761	if ($who->flag (FLAG_WIZ)) {	3487	if ($who->flag (FLAG_WIZ)) {
2762	$who->message ("reloading server.");	3488	$who->message ("reloading server.");
		3489	async {
		3490	$Coro::current->{desc} = "perl_reload";
2763	async { reload_perl };	3491	reload_perl;
		3492	};
2764	}	3493	}
2765	};	3494	};
2766		3495
2767	unshift @INC, $LIBDIR;	3496	unshift @INC, $LIBDIR;
2768		3497
…		…
2800	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2801	unless ++$bug_warning > 10;	3530	unless ++$bug_warning > 10;
2802	return;	3531	return;
2803	}	3532	}
2804		3533
2805	$NOW = Event::time;	3534	$NOW = $tick_start = Event::time;
2806		3535
2807	cf::server_tick; # one server iteration	3536	cf::server_tick; # one server iteration
2808		3537
2809	$RUNTIME += $TICK;	3538	$RUNTIME += $TICK;
2810	$NEXT_TICK += $TICK;	3539	$NEXT_TICK += $TICK;
2811		3540
2812	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3541	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2813	$NEXT_RUNTIME_WRITE = $NOW + 10;	3542	$NEXT_RUNTIME_WRITE = $NOW + 10;
2814	Coro::async_pool {	3543	Coro::async_pool {
		3544	$Coro::current->{desc} = "runtime saver";
2815	write_runtime	3545	write_runtime
2816	or warn "ERROR: unable to write runtime file: $!";	3546	or warn "ERROR: unable to write runtime file: $!";
2817	};	3547	};
2818	}	3548	}
2819		3549
2820	# my $AFTER = Event::time;	3550	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2821	# warn $AFTER - $NOW;#d#	3551	$sig->send;
		3552	}
		3553	while (my $sig = shift @WAIT_FOR_TICK) {
		3554	$sig->send;
		3555	}
		3556
		3557	$NOW = Event::time;
2822		3558
2823	# if we are delayed by four ticks or more, skip them all	3559	# if we are delayed by four ticks or more, skip them all
2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3560	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2825		3561
2826	$TICK_WATCHER->at ($NEXT_TICK);	3562	$TICK_WATCHER->at ($NEXT_TICK);
2827	$TICK_WATCHER->start;	3563	$TICK_WATCHER->start;
2828		3564
2829	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3565	$LOAD = ($NOW - $tick_start) / $TICK;
2830	$sig->send;	3566	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2831	}
2832	while (my $sig = shift @WAIT_FOR_TICK) {
2833	$sig->send;
2834	}
2835		3567
2836	_post_tick;	3568	_post_tick;
2837	},	3569	},
2838	);	3570	);
2839		3571
2840	{	3572	{
		3573	BDB::min_parallel 8;
2841	BDB::max_poll_time $TICK * 0.1;	3574	BDB::max_poll_time $TICK * 0.1;
2842	$BDB_POLL_WATCHER = Event->io (	3575	$BDB_POLL_WATCHER = Event->io (
2843	reentrant => 0,	3576	reentrant => 0,
2844	fd => BDB::poll_fileno,	3577	fd => BDB::poll_fileno,
2845	poll => 'r',	3578	poll => 'r',
2846	prio => 0,	3579	prio => 0,
2847	data => WF_AUTOCANCEL,	3580	data => WF_AUTOCANCEL,
2848	cb => \&BDB::poll_cb,	3581	cb => \&BDB::poll_cb,
2849	);	3582	);
2850	BDB::min_parallel 8;
2851		3583
2852	BDB::set_sync_prepare {	3584	BDB::set_sync_prepare {
2853	my $status;	3585	my $status;
2854	my $current = $Coro::current;	3586	my $current = $Coro::current;
2855	(	3587	(
…		…
2864	)	3596	)
2865	};	3597	};
2866		3598
2867	unless ($DB_ENV) {	3599	unless ($DB_ENV) {
2868	$DB_ENV = BDB::db_env_create;	3600	$DB_ENV = BDB::db_env_create;
		3601	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3602	| BDB::LOG_AUTOREMOVE, 1);
		3603	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3604	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2869		3605
2870	cf::sync_job {	3606	cf::sync_job {
2871	eval {	3607	eval {
2872	BDB::db_env_open	3608	BDB::db_env_open
2873	$DB_ENV,	3609	$DB_ENV,
2874	$BDB_ENV_DIR,	3610	$BDBDIR,
2875	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3611	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2876	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3612	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2877	0666;	3613	0666;
2878		3614
2879	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3615	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2880
2881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2882	$DB_ENV->set_lk_detect;
2883	};	3616	};
2884		3617
2885	cf::cleanup "db_env_open(db): $@" if $@;	3618	cf::cleanup "db_env_open(db): $@" if $@;
2886	};	3619	};
2887	}	3620	}
		3621
		3622	$BDB_DEADLOCK_WATCHER = Event->timer (
		3623	after => 3,
		3624	interval => 1,
		3625	hard => 1,
		3626	prio => 0,
		3627	data => WF_AUTOCANCEL,
		3628	cb => sub {
		3629	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3630	},
		3631	);
		3632	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3633	after => 11,
		3634	interval => 60,
		3635	hard => 1,
		3636	prio => 0,
		3637	data => WF_AUTOCANCEL,
		3638	cb => sub {
		3639	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3640	},
		3641	);
		3642	$BDB_TRICKLE_WATCHER = Event->timer (
		3643	after => 5,
		3644	interval => 10,
		3645	hard => 1,
		3646	prio => 0,
		3647	data => WF_AUTOCANCEL,
		3648	cb => sub {
		3649	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3650	},
		3651	);
2888	}	3652	}
2889		3653
2890	{	3654	{
2891	IO::AIO::min_parallel 8;	3655	IO::AIO::min_parallel 8;
2892		3656
…		…
2895	$AIO_POLL_WATCHER = Event->io (	3659	$AIO_POLL_WATCHER = Event->io (
2896	reentrant => 0,	3660	reentrant => 0,
2897	data => WF_AUTOCANCEL,	3661	data => WF_AUTOCANCEL,
2898	fd => IO::AIO::poll_fileno,	3662	fd => IO::AIO::poll_fileno,
2899	poll => 'r',	3663	poll => 'r',
2900	prio => 6,	3664	prio => 0,
2901	cb => \&IO::AIO::poll_cb,	3665	cb => \&IO::AIO::poll_cb,
2902	);	3666	);
2903	}	3667	}
2904		3668
		3669	my $_log_backtrace;
		3670
		3671	sub _log_backtrace {
		3672	my ($msg, @addr) = @_;
		3673
		3674	$msg =~ s/\n//;
		3675
		3676	# limit the # of concurrent backtraces
		3677	if ($_log_backtrace < 2) {
		3678	++$_log_backtrace;
		3679	async {
		3680	$Coro::current->{desc} = "abt $msg";
		3681
		3682	my @bt = fork_call {
		3683	@addr = map { sprintf "%x", $_ } @addr;
		3684	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3685	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3686	or die "addr2line: $!";
		3687
		3688	my @funcs;
		3689	my @res = <$fh>;
		3690	chomp for @res;
		3691	while (@res) {
		3692	my ($func, $line) = splice @res, 0, 2, ();
		3693	push @funcs, "[$func] $line";
		3694	}
		3695
		3696	@funcs
		3697	};
		3698
		3699	LOG llevInfo, "[ABT] $msg\n";
		3700	LOG llevInfo, "[ABT] $_\n" for @bt;
		3701	--$_log_backtrace;
		3702	};
		3703	} else {
		3704	LOG llevInfo, "[ABT] $msg\n";
		3705	LOG llevInfo, "[ABT] [suppressed]\n";
		3706	}
		3707	}
		3708
2905	# load additional modules	3709	# load additional modules
2906	use cf::pod;	3710	use cf::pod;
2907		3711
2908	END { cf::emergency_save }	3712	END { cf::emergency_save }
2909		3713

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