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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.230 by root, Mon Apr 2 18:04:46 2007 UTC vs.
Revision 1.386 by root, Mon Oct 15 17:50:27 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
9	use Event;	9	use Event;
10	use Opcode;	10	use Opcode;
11	use Safe;	11	use Safe;
12	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
13		14
14	use Coro 3.52 ();	15	use Coro 4.1 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
21		25
		26	use JSON::XS ();
22	use BDB ();	27	use BDB ();
23	use Data::Dumper;	28	use Data::Dumper;
24	use Digest::MD5;	29	use Digest::MD5;
25	use Fcntl;	30	use Fcntl;
26	use YAML::Syck ();	31	use YAML::Syck ();
27	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
28	use Time::HiRes;	33	use Time::HiRes;
29	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
30		36
31	# configure various modules to our taste	37	# configure various modules to our taste
32	#	38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
33	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
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35		42
36	$Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
37		44
…		…
45	our %COMMAND = ();	52	our %COMMAND = ();
46	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
47		54
48	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
52		60
53	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
54	our @EVENT;	62	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		63
57	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
58	our $TICK_WATCHER;	77	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	80	our $NEXT_TICK;
62	our $NOW;	81	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		83
65	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	88	our $DB_ENV;
67		89
68	our %CFG;	90	our %CFG;
69		91
70	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	93	our $RUNTIME;
72		94
73	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		98
82	# 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 ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		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 $tick_start; # for load detecting purposes
		105
85	binmode STDOUT;	106	binmode STDOUT;
86	binmode STDERR;	107	binmode STDERR;
87		108
88	# read virtual server time, if available	109	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
93	}	114	}
94		115
95	mkdir cf::localdir;	116	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		118
102	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
103		120
104	sub cf::map::normalise;	121	sub cf::map::normalise;
105		122
…		…
116	=item $cf::RUNTIME	133	=item $cf::RUNTIME
117		134
118	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
119	every server tick.	136	every server tick.
120		137
121	=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
122		141
123	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
124	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.
125		146
126	=item $cf::NOW	147	=item $cf::NOW
127		148
128	The time of the last (current) server tick.	149	The time of the last (current) server tick.
129		150
130	=item $cf::TICK	151	=item $cf::TICK
131		152
132	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.
133		164
134	=item %cf::CFG	165	=item %cf::CFG
135		166
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
137	from wherever your confdir points to.	168	from wherever your confdir points to.
138		169
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		171
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	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.
145		181
146	=back	182	=back
147		183
148	=cut	184	=cut
149		185
150	BEGIN {	186	BEGIN {
151	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	188	my $msg = join "", @_;
153	utf8::encode $msg;
154		189
155	$msg .= "\n"	190	$msg .= "\n"
156	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
157		194
158	LOG llevError, $msg;	195	LOG llevError, $msg;
159	};	196	};
160	}	197	}
161		198
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@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';
167	@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)
168		206
169	# 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
170	# within the Safe compartment.	208	# within the Safe compartment.
171	for my $pkg (qw(	209	for my $pkg (qw(
172	cf::global cf::attachable	210	cf::global cf::attachable
…		…
180	}	218	}
181		219
182	$Event::DIED = sub {	220	$Event::DIED = sub {
183	warn "error in event callback: @_";	221	warn "error in event callback: @_";
184	};	222	};
		223
		224	#############################################################################
185		225
186	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
187		227
188	=over 4	228	=over 4
189		229
…		…
208	$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;
209	$d	249	$d
210	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
211	}	251	}
212		252
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
216		254
217	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
218		256
219	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
220		258
221	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]) }
222		267
223	=item cf::lock_wait $string	268	=item cf::lock_wait $string
224		269
225	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
226		271
…		…
229	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
230	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,
231	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
232	returned.	277	returned.
233		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
234	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
235	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
236		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
237	=cut	289	=cut
238		290
239	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
240		293
241	sub lock_wait($) {	294	sub lock_wait($) {
242	my ($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#
243		301
244	# wait for lock, if any	302	# wait for lock, if any
245	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	305	Coro::schedule;
…		…
253		311
254	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
255	lock_wait $key;	313	lock_wait $key;
256		314
257	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
258		317
259	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
262	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
263	}	329	}
264		330
265	sub freeze_mainloop {	331	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
267		333
…		…
270	};	336	};
271	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
272	$guard	338	$guard
273	}	339	}
274		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
275	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
276		400
277	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
278	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
279	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.
…		…
282		406
283	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
284		408
285	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
286		410
287	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)
288	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
289	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.
290		415
291	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
292	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
293	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
294	fast or be very important.	419	fast or be very important.
…		…
297		422
298	sub sync_job(&) {	423	sub sync_job(&) {
299	my ($job) = @_;	424	my ($job) = @_;
300		425
301	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
302	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
304		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
305	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	435	# (but this is cancel-safe)
307	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
308		437
309	my $busy = 1;	438	my $busy = 1;
310	my @res;	439	my @res;
311		440
312	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	443	@res = eval { $job->() };
314	warn $@ if $@;	444	warn $@ if $@;
315	undef $busy;	445	undef $busy;
316	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
317		447
318	while ($busy) {	448	while ($busy) {
319	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
320	}	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
321		458
322	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
323	} else {	460	} else {
324	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
325		462
…		…
345	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
346		483
347	$coro	484	$coro
348	}	485	}
349		486
350	sub write_runtime {	487	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		488
353	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.
354		493
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	494	=cut
356	or return;
357		495
358	my $value = $cf::RUNTIME + 90 + 10;	496	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	497	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		498
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	499	# we seemingly have to make a local copy of the whole thing,
363	and return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
364		502
365	# always fsync - this file is important	503	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	504	reset_signals;
367	and return;	505	&$cb
		506	}, @args;
368		507
369	close $fh	508	wantarray ? @res : $res[-1]
370	or return;	509	}
371		510
372	aio_rename "$runtime~", $runtime	511	=item $value = cf::db_get $family => $key
373	and return;
374		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
375	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"
376	}	636	}
377		637
378	=item cf::datalog type => key => value, ...	638	=item cf::datalog type => key => value, ...
379		639
380	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.
…		…
398	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")
399	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
400		660
401	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>
402	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
403	crossfire+).	663	Crossfire TRT).
404		664
405	=over 4	665	=over 4
406		666
407	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
408		668
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
572		832
573	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		837
578	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	839	my $pkg = shift @arg;
580		840
581	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
611	}	871	}
612		872
613	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
614	} else {	874	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	876	}
617		877
618	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
619	}	879	}
620		880
…		…
622	if (ref $_[0]) {	882	if (ref $_[0]) {
623	_object_attach @_;	883	_object_attach @_;
624	} else {	884	} else {
625	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
626	}	886	}
		887	_recalc_want;
627	};	888	};
628		889
629	# all those should be optimised	890	# all those should be optimised
630	sub cf::attachable::detach {	891	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
635	reattach ($obj);	896	reattach ($obj);
636	} else {	897	} else {
637	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
638	}	899	}
		900	_recalc_want;
639	};	901	};
640		902
641	sub cf::attachable::attached {	903	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
643		905
…		…
658	";	920	";
659	die if $@;	921	die if $@;
660	}	922	}
661		923
662	our $override;	924	our $override;
663	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?
664		926
665	sub override {	927	sub override {
666	$override = 1;	928	$override = 1;
667	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
668	}	930	}
669		931
670	sub do_invoke {	932	sub do_invoke {
671	my $event = shift;	933	my $event = shift;
672	my $callbacks = shift;	934	my $callbacks = shift;
673		935
674	@invoke_results = ();	936	@INVOKE_RESULTS = ();
675		937
676	local $override;	938	local $override;
677		939
678	for (@$callbacks) {	940	for (@$callbacks) {
679	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
696		958
697	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
698		960
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		964
703	=back	965	=back
704		966
705	=cut	967	=cut
706		968
707	#############################################################################	969	#############################################################################
708	# object support	970	# object support
		971
		972	sub _object_equal($$);
		973	sub _object_equal($$) {
		974	my ($a, $b) = @_;
		975
		976	return 0 unless (ref $a) eq (ref $b);
		977
		978	if ("HASH" eq ref $a) {
		979	my @ka = keys %$a;
		980	my @kb = keys %$b;
		981
		982	return 0 if @ka != @kb;
		983
		984	for (0 .. $#ka) {
		985	return 0 unless $ka[$_] eq $kb[$_];
		986	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		987	}
		988
		989	} elsif ("ARRAY" eq ref $a) {
		990
		991	return 0 if @$a != @$b;
		992
		993	for (0 .. $#$a) {
		994	return 0 unless _object_equal $a->[$_], $b->[$_];
		995	}
		996
		997	} elsif ($a ne $b) {
		998	return 0;
		999	}
		1000
		1001	1
		1002	}
		1003
		1004	our $SLOW_MERGES;#d#
		1005	sub _can_merge {
		1006	my ($ob1, $ob2) = @_;
		1007
		1008	++$SLOW_MERGES;#d#
		1009
		1010	# we do the slow way here
		1011	return _object_equal $ob1, $ob2
		1012	}
709		1013
710	sub reattach {	1014	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1015	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1016	my ($obj) = @_;
713		1017
…		…
760	sub object_freezer_save {	1064	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1065	my ($filename, $rdata, $objs) = @_;
762		1066
763	sync_job {	1067	sync_job {
764	if (length $$rdata) {	1068	if (length $$rdata) {
		1069	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1070	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1071	$decname, length $$rdata, scalar @$objs;
767		1072
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1073	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1074	chmod SAVE_MODE, $fh;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1075	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1076	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1077	close $fh;
773		1078
774	if (@$objs) {	1079	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1081	chmod SAVE_MODE, $fh;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1082	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1083	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1084	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1085	close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1086	aio_rename "$filename.pst~", "$filename.pst";
782	}	1087	}
…		…
790	}	1095	}
791	} else {	1096	} else {
792	aio_unlink $filename;	1097	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1098	aio_unlink "$filename.pst";
794	}	1099	}
795	}	1100	};
796	}	1101	}
797		1102
798	sub object_freezer_as_string {	1103	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1104	my ($rdata, $objs) = @_;
800		1105
…		…
812	or return;	1117	or return;
813		1118
814	unless (aio_stat "$filename.pst") {	1119	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1120	(aio_load "$filename.pst", $av) >= 0
816	or return;	1121	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };
818	}
819		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);
820	warn sprintf "loading %s (%d)\n",	1129	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1130	$decname, length $data, scalar @{$av || []};
		1131
822	return ($data, $av);	1132	($data, $av)
823	}	1133	}
		1134
		1135	=head2 COMMAND CALLBACKS
		1136
		1137	=over 4
		1138
		1139	=cut
824		1140
825	#############################################################################	1141	#############################################################################
826	# command handling &c	1142	# command handling &c
827		1143
828	=item cf::register_command $name => \&callback($ob,$args);	1144	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1157	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1158	}
843		1159
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1160	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1161
846	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.
847		1167
848	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
849	called.	1169	called.
850		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
851	=cut	1182	=cut
852		1183
853	sub register_extcmd {	1184	sub register_extcmd {
854	my ($name, $cb) = @_;	1185	my ($name, $cb) = @_;
855		1186
856	$EXTCMD{$name} = $cb;	1187	$EXTCMD{$name} = $cb;
		1188	}
		1189
		1190	sub register_exticmd {
		1191	my ($name, $cb) = @_;
		1192
		1193	$EXTICMD{$name} = $cb;
857	}	1194	}
858		1195
859	cf::player->attach (	1196	cf::player->attach (
860	on_command => sub {	1197	on_command => sub {
861	my ($pl, $name, $params) = @_;	1198	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1207	cf::override;
871	},	1208	},
872	on_extcmd => sub {	1209	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1210	my ($pl, $buf) = @_;
874		1211
875	my $msg = eval { from_json $buf };	1212	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1213
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1222	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1223	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1224	}
		1225
		1226	$pl->ext_reply ($reply, @reply)
		1227	if $reply;
		1228
883	} else {	1229	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1230	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1231	}
886		1232
887	cf::override;	1233	cf::override;
888	},	1234	},
889	);	1235	);
890		1236
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1237	sub load_extensions {
		1238	cf::sync_job {
		1239	my %todo;
		1240
926	for my $ext (<$LIBDIR/*.ext>) {	1241	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1242	next unless -r $path;
928	eval {	1243
929	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;
930	1	1301	}
931	} or warn "$ext not loaded: $@";	1302
		1303	skip:
		1304	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1305	unless $progress;
		1306	}
932	}	1307	};
933	}	1308	}
934		1309
935	#############################################################################	1310	#############################################################################
936		1311
		1312	=back
		1313
937	=head2 CORE EXTENSIONS	1314	=head2 CORE EXTENSIONS
938		1315
939	Functions and methods that extend core crossfire objects.	1316	Functions and methods that extend core crossfire objects.
940		1317
941	=cut	1318	=cut
…		…
946		1323
947	=head3 cf::player	1324	=head3 cf::player
948		1325
949	=over 4	1326	=over 4
950		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
951	=item cf::player::find $login	1342	=item cf::player::find $login
952		1343
953	Returns the given player object, loading it if necessary (might block).	1344	Returns the given player object, loading it if necessary (might block).
954		1345
955	=cut	1346	=cut
956		1347
957	sub playerdir($) {	1348	sub playerdir($) {
958	cf::localdir	1349	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1350	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1351	}
964		1352
965	sub path($) {	1353	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1354	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1355
968	(playerdir $login) . "/$login.pl"	1356	(playerdir $login) . "/playerdata"
969	}	1357	}
970		1358
971	sub find_active($) {	1359	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1360	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1361	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1374	my $login = $_[0];
987		1375
988	my $guard = cf::lock_acquire "user_find:$login";	1376	my $guard = cf::lock_acquire "user_find:$login";
989		1377
990	$cf::PLAYER{$_[0]} || do {	1378	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1379	# rename old playerfiles to new ones
		1380	#TODO: remove when no longer required
		1381	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1382	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1383	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1384	aio_unlink +(playerdir $login) . "/$login.pl";
		1385
		1386	my $f = new_from_file cf::object::thawer path $login
992	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;
993	$cf::PLAYER{$login} = $pl	1393	$cf::PLAYER{$login} = $pl
994	}	1394	}
995	}	1395	}
996	}	1396	}
997		1397
…		…
1007		1407
1008	aio_mkdir playerdir $pl, 0770;	1408	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1409	$pl->{last_save} = $cf::RUNTIME;
1010		1410
1011	$pl->save_pl ($path);	1411	$pl->save_pl ($path);
1012	Coro::cede;	1412	cf::cede_to_tick;
1013	}	1413	}
1014		1414
1015	sub new($) {	1415	sub new($) {
1016	my ($login) = @_;	1416	my ($login) = @_;
1017		1417
…		…
1021	$self->{deny_save} = 1;	1421	$self->{deny_save} = 1;
1022		1422
1023	$cf::PLAYER{$login} = $self;	1423	$cf::PLAYER{$login} = $self;
1024		1424
1025	$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 (@_);
1026	}	1436	}
1027		1437
1028	=item $pl->quit_character	1438	=item $pl->quit_character
1029		1439
1030	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
…		…
1079	while and may block, so not sync_job-capable, ever.	1489	while and may block, so not sync_job-capable, ever.
1080		1490
1081	=cut	1491	=cut
1082		1492
1083	sub list_logins {	1493	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1494	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1495	or return [];
1086		1496
1087	my @logins;	1497	my @logins;
1088		1498
1089	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") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1504	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1505	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1506	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1507	}
1093		1508
1094	utf8::decode $login;	1509	utf8::decode $login;
1095	push @logins, $login;	1510	push @logins, $login;
1096	}	1511	}
1097		1512
…		…
1124	}	1539	}
1125		1540
1126	\@paths	1541	\@paths
1127	}	1542	}
1128		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
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1595	=item $player->ext_reply ($msgid, @msg)
1130		1596
1131	Sends an ext reply to the player.	1597	Sends an ext reply to the player.
1132		1598
1133	=cut	1599	=cut
1134		1600
1135	sub ext_reply($$$%) {	1601	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1602	my ($self, $id, @msg) = @_;
1137		1603
1138	$msg{msgid} = $id;	1604	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1605	}
1142		1606
1143	package cf;	1607	=item $player->ext_msg ($type, @msg)
		1608
		1609	Sends an ext event to the client.
		1610
		1611	=cut
		1612
		1613	sub ext_msg($$@) {
		1614	my ($self, $type, @msg) = @_;
		1615
		1616	$self->ns->ext_msg ($type, @msg);
		1617	}
		1618
		1619	=head3 cf::region
		1620
		1621	=over 4
		1622
		1623	=cut
		1624
		1625	package cf::region;
		1626
		1627	=item cf::region::find_by_path $path
		1628
		1629	Tries to decuce the likely region for a map knowing only its path.
		1630
		1631	=cut
		1632
		1633	sub find_by_path($) {
		1634	my ($path) = @_;
		1635
		1636	my ($match, $specificity);
		1637
		1638	for my $region (list) {
		1639	if ($region->{match} && $path =~ $region->{match}) {
		1640	($match, $specificity) = ($region, $region->specificity)
		1641	if $region->specificity > $specificity;
		1642	}
		1643	}
		1644
		1645	$match
		1646	}
1144		1647
1145	=back	1648	=back
1146
1147		1649
1148	=head3 cf::map	1650	=head3 cf::map
1149		1651
1150	=over 4	1652	=over 4
1151		1653
…		…
1206	my ($self, $merge) = @_;	1708	my ($self, $merge) = @_;
1207		1709
1208	# we have to keep some variables in memory intact	1710	# we have to keep some variables in memory intact
1209	local $self->{path};	1711	local $self->{path};
1210	local $self->{load_path};	1712	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1713
1214	$self->SUPER::thawer_merge ($merge);	1714	$self->SUPER::thawer_merge ($merge);
1215	}	1715	}
1216		1716
1217	sub normalise {	1717	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1764	$self->init; # pass $1 etc.
1265	return $self;	1765	return $self;
1266	}	1766	}
1267	}	1767	}
1268		1768
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1769	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1770	()
1271	}	1771	}
1272		1772
1273	sub init {	1773	sub init {
1274	my ($self) = @_;	1774	my ($self) = @_;
…		…
1289		1789
1290	# the original (read-only) location	1790	# the original (read-only) location
1291	sub load_path {	1791	sub load_path {
1292	my ($self) = @_;	1792	my ($self) = @_;
1293		1793
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1794	"$MAPDIR/$self->{path}.map"
1295	}	1795	}
1296		1796
1297	# the temporary/swap location	1797	# the temporary/swap location
1298	sub save_path {	1798	sub save_path {
1299	my ($self) = @_;	1799	my ($self) = @_;
1300		1800
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1801	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1802	"$TMPDIR/$path.map"
1303	}	1803	}
1304		1804
1305	# the unique path, undef == no special unique path	1805	# the unique path, undef == no special unique path
1306	sub uniq_path {	1806	sub uniq_path {
1307	my ($self) = @_;	1807	my ($self) = @_;
1308		1808
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1809	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1810	"$UNIQUEDIR/$path"
1311	}	1811	}
1312		1812
1313	# and all this just because we cannot iterate over	1813	# and all this just because we cannot iterate over
1314	# all maps in C++...	1814	# all maps in C++...
1315	sub change_all_map_light {	1815	sub change_all_map_light {
…		…
1317		1817
1318	$_->change_map_light ($change)	1818	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1819	for grep $_->outdoor, values %cf::MAP;
1320	}	1820	}
1321		1821
		1822	sub decay_objects {
		1823	my ($self) = @_;
		1824
		1825	return if $self->{deny_reset};
		1826
		1827	$self->do_decay_objects;
		1828	}
		1829
1322	sub unlink_save {	1830	sub unlink_save {
1323	my ($self) = @_;	1831	my ($self) = @_;
1324		1832
1325	utf8::encode (my $save = $self->save_path);	1833	utf8::encode (my $save = $self->save_path);
1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1834	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1329		1837
1330	sub load_header_from($) {	1838	sub load_header_from($) {
1331	my ($self, $path) = @_;	1839	my ($self, $path) = @_;
1332		1840
1333	utf8::encode $path;	1841	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1842	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	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;
1339		1850
1340	$self->{load_path} = $path;	1851	$self->{load_path} = $path;
1341		1852
1342	1	1853	1
1343	}	1854	}
…		…
1382	$self->load_header_orig	1893	$self->load_header_orig
1383	or return;	1894	or return;
1384	$self->prepare_orig;	1895	$self->prepare_orig;
1385	}	1896	}
1386		1897
		1898	$self->{deny_reset} = 1
		1899	if $self->no_reset;
		1900
		1901	$self->default_region (cf::region::find_by_path $self->{path})
		1902	unless $self->default_region;
		1903
1387	1	1904	1
1388	}	1905	}
1389		1906
1390	sub find;	1907	sub find;
1391	sub find {	1908	sub find {
1392	my ($path, $origin) = @_;	1909	my ($path, $origin) = @_;
1393		1910
1394	$path = normalise $path, $origin && $origin->path;	1911	$path = normalise $path, $origin && $origin->path;
1395		1912
		1913	cf::lock_wait "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	1914	cf::lock_wait "map_find:$path";
1397		1915
1398	$cf::MAP{$path} || do {	1916	$cf::MAP{$path} || do {
1399	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
1400	my $map = new_from_path cf::map $path	1920	my $map = new_from_path cf::map $path
1401	or return;	1921	or return;
1402		1922
1403	$map->{last_save} = $cf::RUNTIME;	1923	$map->{last_save} = $cf::RUNTIME;
1404		1924
1405	$map->load_header	1925	$map->load_header
1406	or return;	1926	or return;
1407		1927
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1928	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1929	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1930	#$cf::WAIT_FOR_TICK->wait;
		1931	undef $guard1;
		1932	undef $guard2;
1411	$map->reset;	1933	$map->reset;
1412	undef $guard;
1413	return find $path;	1934	return find $path;
1414	}	1935	}
1415		1936
1416	$cf::MAP{$path} = $map	1937	$cf::MAP{$path} = $map
1417	}	1938	}
…		…
1424	my ($self) = @_;	1945	my ($self) = @_;
1425		1946
1426	local $self->{deny_reset} = 1; # loading can take a long time	1947	local $self->{deny_reset} = 1; # loading can take a long time
1427		1948
1428	my $path = $self->{path};	1949	my $path = $self->{path};
		1950
		1951	{
1429	my $guard = cf::lock_acquire "map_load:$path";	1952	my $guard = cf::lock_acquire "map_data:$path";
1430		1953
		1954	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1955	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		1956
1433	$self->in_memory (cf::MAP_LOADING);	1957	$self->in_memory (cf::MAP_LOADING);
1434		1958
1435	$self->alloc;	1959	$self->alloc;
1436		1960
1437	$self->pre_load;	1961	$self->pre_load;
		1962	cf::cede_to_tick;
1438		1963
1439	$self->_load_objects ($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)
1440	or return;	1967	or return;
1441		1968
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1969	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};	1970	if delete $self->{load_original};
1444		1971
1445	if (my $uniq = $self->uniq_path) {	1972	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	1973	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	1974	unless (aio_stat $uniq) {
		1975	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	1976	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	1977	$self->_load_objects ($f);
		1978	$f->resolve_delayed_derefs;
		1979	}
1450	}	1980	}
1451	}	1981	}
1452		1982
1453	Coro::cede;	1983	$f->resolve_delayed_derefs;
1454		1984
		1985	cf::cede_to_tick;
1455	# now do the right thing for maps	1986	# now do the right thing for maps
1456	$self->link_multipart_objects;	1987	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	1988	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	1989	unless $self->difficulty;
1466	Coro::cede;	1990	cf::cede_to_tick;
		1991
		1992	unless ($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;
1467	$self->activate;	1999	$self->activate;
		2000	}
		2001
		2002	$self->{last_save} = $cf::RUNTIME;
		2003	$self->last_access ($cf::RUNTIME);
		2004
		2005	$self->in_memory (cf::MAP_IN_MEMORY);
1468	}	2006	}
1469		2007
1470	$self->post_load;	2008	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2009	}
1474		2010
1475	sub customise_for {	2011	sub customise_for {
1476	my ($self, $ob) = @_;	2012	my ($self, $ob) = @_;
1477		2013
1478	return find "~" . $ob->name . "/" . $self->{path}	2014	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2015	if $self->per_player;
1480		2016
		2017	# return find "?party/" . $ob->name . "/" . $self->{path}
		2018	# if $self->per_party;
		2019
1481	$self	2020	$self
1482	}	2021	}
1483		2022
1484	# find and load all maps in the 3x3 area around a map	2023	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	2024	sub load_neighbours {
1486	my ($map) = @_;	2025	my ($map) = @_;
1487		2026
1488	my @diag; # diagonal neighbours	2027	my @neigh; # diagonal neighbours
1489		2028
1490	for (0 .. 3) {	2029	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2030	my $neigh = $map->tile_path ($_)
1492	or next;	2031	or next;
1493	$neigh = find $neigh, $map	2032	$neigh = find $neigh, $map
1494	or next;	2033	or next;
1495	$neigh->load;	2034	$neigh->load;
1496		2035
		2036	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2037	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2038	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2039	}
1500		2040
1501	for (@diag) {	2041	for (grep defined $_->[0], @neigh) {
		2042	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2043	my $neigh = find $path, $origin
1503	or next;	2044	or next;
1504	$neigh->load;	2045	$neigh->load;
1505	}	2046	}
1506	}	2047	}
1507		2048
…		…
1512	}	2053	}
1513		2054
1514	sub do_load_sync {	2055	sub do_load_sync {
1515	my ($map) = @_;	2056	my ($map) = @_;
1516		2057
		2058	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2059	if $Coro::current == $Coro::main;
		2060
1517	cf::sync_job { $map->load };	2061	cf::sync_job { $map->load };
1518	}	2062	}
1519		2063
1520	our %MAP_PREFETCH;	2064	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2065	our $MAP_PREFETCHER = undef;
1522		2066
1523	sub find_async {	2067	sub find_async {
1524	my ($path, $origin) = @_;	2068	my ($path, $origin, $load) = @_;
1525		2069
1526	$path = normalise $path, $origin && $origin->{path};	2070	$path = normalise $path, $origin && $origin->{path};
1527		2071
1528	if (my $map = $cf::MAP{$path}) {	2072	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2073	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1530	}	2074	}
1531		2075
1532	undef $MAP_PREFETCH{$path};	2076	$MAP_PREFETCH{$path} |= $load;
		2077
1533	$MAP_PREFETCHER ||= cf::async {	2078	$MAP_PREFETCHER ||= cf::async {
		2079	$Coro::current->{desc} = "map prefetcher";
		2080
1534	while (%MAP_PREFETCH) {	2081	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2082	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2083	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2084	$map->load if $v;
		2085	}
1539		2086
1540	delete $MAP_PREFETCH{$path};	2087	delete $MAP_PREFETCH{$k};
1541	}	2088	}
1542	}	2089	}
1543	undef $MAP_PREFETCHER;	2090	undef $MAP_PREFETCHER;
1544	};	2091	};
1545	$MAP_PREFETCHER->prio (6);	2092	$MAP_PREFETCHER->prio (6);
…		…
1548	}	2095	}
1549		2096
1550	sub save {	2097	sub save {
1551	my ($self) = @_;	2098	my ($self) = @_;
1552		2099
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2101
1555	$self->{last_save} = $cf::RUNTIME;	2102	$self->{last_save} = $cf::RUNTIME;
1556		2103
1557	return unless $self->dirty;	2104	return unless $self->dirty;
1558		2105
…		…
1564	return if $self->{deny_save};	2111	return if $self->{deny_save};
1565		2112
1566	local $self->{last_access} = $self->last_access;#d#	2113	local $self->{last_access} = $self->last_access;#d#
1567		2114
1568	cf::async {	2115	cf::async {
		2116	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2117	$_->contr->save for $self->players;
1570	};	2118	};
1571		2119
1572	if ($uniq) {	2120	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2121	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1581	my ($self) = @_;	2129	my ($self) = @_;
1582		2130
1583	# save first because save cedes	2131	# save first because save cedes
1584	$self->save;	2132	$self->save;
1585		2133
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2135
1588	return if $self->players;	2136	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2137	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};	2138	return if $self->{deny_save};
1591		2139
		2140	$self->in_memory (cf::MAP_SWAPPED);
		2141
		2142	$self->deactivate;
		2143	$_->clear_links_to ($self) for values %cf::MAP;
1592	$self->clear;	2144	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2145	}
1595		2146
1596	sub reset_at {	2147	sub reset_at {
1597	my ($self) = @_;	2148	my ($self) = @_;
1598		2149
1599	# TODO: safety, remove and allow resettable per-player maps	2150	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2151	return 1e99 if $self->{deny_reset};
1602		2152
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2153	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2154	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2155
…		…
1616	my ($self) = @_;	2166	my ($self) = @_;
1617		2167
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2168	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2169
1620	return if $self->players;	2170	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2171
1623	warn "resetting map ", $self->path;#d#	2172	warn "resetting map ", $self->path;
1624		2173
1625	$self->in_memory (cf::MAP_SWAPPED);	2174	$self->in_memory (cf::MAP_SWAPPED);
1626		2175
1627	# need to save uniques path	2176	# need to save uniques path
1628	unless ($self->{deny_save}) {	2177	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2181	if $uniq;
1633	}	2182	}
1634		2183
1635	delete $cf::MAP{$self->path};	2184	delete $cf::MAP{$self->path};
1636		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2188	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2189
1641	$self->unlink_save;	2190	$self->unlink_save;
1642	$self->destroy;	2191	$self->destroy;
1643	}	2192	}
1644		2193
1645	my $nuke_counter = "aaaa";	2194	my $nuke_counter = "aaaa";
1646		2195
1647	sub nuke {	2196	sub nuke {
1648	my ($self) = @_;	2197	my ($self) = @_;
1649		2198
		2199	{
		2200	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2201
1650	delete $cf::MAP{$self->path};	2202	delete $cf::MAP{$self->path};
1651		2203
1652	$self->unlink_save;	2204	$self->unlink_save;
1653		2205
1654	bless $self, "cf::map";	2206	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2207	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2208	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2209	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2210	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2211
1660	$cf::MAP{$self->path} = $self;	2212	$cf::MAP{$self->path} = $self;
		2213	}
1661		2214
1662	$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	]
1663	}	2252	}
1664		2253
1665	=item cf::map::unique_maps	2254	=item cf::map::unique_maps
1666		2255
1667	Returns an arrayref of paths of all shared maps that have	2256	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2257	instantiated unique items. May block.
1669		2258
1670	=cut	2259	=cut
1671		2260
1672	sub unique_maps() {	2261	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2262	[
1674	or return;	2263	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2264	utf8::decode $_;
1680	next if /\.pst$/;	2265	/\.map$/
1681	next unless /^$PATH_SEP/o;	2266	? normalise $_
1682		2267	: ()
1683	push @paths, cf::map::normalise $_;	2268	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2269	]
1685
1686	\@paths
1687	}	2270	}
1688		2271
1689	package cf;	2272	package cf;
1690		2273
1691	=back	2274	=back
…		…
1709	map { $_, inv_recursive_ $_->inv } @_	2292	map { $_, inv_recursive_ $_->inv } @_
1710	}	2293	}
1711		2294
1712	sub inv_recursive {	2295	sub inv_recursive {
1713	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	}
1714	}	2325	}
1715		2326
1716	package cf;	2327	package cf;
1717		2328
1718	=back	2329	=back
…		…
1737		2348
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2349	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2350
1740	if ($self->{record_replies}) {	2351	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2352	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2353
1742	} 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 {
1743	$msg = $npc->name . " says: $msg" if $npc;	2362	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2363	$self->message ($msg, $flags);
		2364	}
1745	}	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 (@_);
1746	}	2376	}
1747		2377
1748	=item $player_object->may ("access")	2378	=item $player_object->may ("access")
1749		2379
1750	Returns wether the given player is authorized to access resource "access"	2380	Returns wether the given player is authorized to access resource "access"
…		…
1797	$self->deactivate_recursive;	2427	$self->deactivate_recursive;
1798		2428
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2429	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2430
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2431	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2432	if $self->map && $self->map->{path} ne "{link}";
1803		2433
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2434	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2435	}
1806		2436
1807	sub cf::object::player::leave_link {	2437	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2438	my ($self, $map, $x, $y) = @_;
		2439
		2440	return unless $self->contr->active;
1809		2441
1810	my $link_pos = delete $self->{_link_pos};	2442	my $link_pos = delete $self->{_link_pos};
1811		2443
1812	unless ($map) {	2444	unless ($map) {
1813	# restore original map position	2445	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2459	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2460	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2461	if $x <=0 && $y <= 0;
1830		2462
1831	$map->load;	2463	$map->load;
1832	$map->load_diag;	2464	$map->load_neighbours;
1833		2465
1834	return unless $self->contr->active;	2466	return unless $self->contr->active;
1835	$self->activate_recursive;	2467	$self->activate_recursive;
1836		2468
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2469	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2470	$self->enter_map ($map, $x, $y);
1839	}	2471	}
1840		2472
1841	cf::player->attach (	2473	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2474
1845	# abort map switching before logout	2475	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2476	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2477	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2478	the new (success) or old (failed) map position. In either case, $done will
1849	};	2479	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2480
1855	# try to abort aborted map switching on player login :)
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872
1873	=item $player_object->goto ($path, $x, $y)
1874
1875	=cut	2481	=cut
		2482
		2483	our $GOTOGEN;
1876		2484
1877	sub cf::object::player::goto {	2485	sub cf::object::player::goto {
1878	my ($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;
1879		2490
1880	$self->enter_link;	2491	$self->enter_link;
1881		2492
1882	(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
1883	my $map = eval {	2515	my $map = eval {
1884	my $map = cf::map::find $path;	2516	my $map = defined $path ? cf::map::find $path : undef;
		2517
		2518	if ($map) {
1885	$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
1886	$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 $@;
1887	} or	2531	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2532
		2533	if ($gen == $self->{_goto_generation}) {
		2534	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2535	$self->leave_link ($map, $x, $y);
		2536	}
		2537
		2538	$done->() if $done;
1891	})->prio (1);	2539	})->prio (1);
1892	}	2540	}
1893		2541
1894	=item $player_object->enter_exit ($exit_object)	2542	=item $player_object->enter_exit ($exit_object)
1895		2543
…		…
1934		2582
1935	$rmp->{random_seed} ||= $exit->random_seed;	2583	$rmp->{random_seed} ||= $exit->random_seed;
1936		2584
1937	my $data = cf::to_json $rmp;	2585	my $data = cf::to_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2586	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2587	my $meta = "$RANDOMDIR/$md5.meta";
1940		2588
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2589	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2590	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2591	undef $fh;
1944	aio_rename "$meta~", $meta;	2592	aio_rename "$meta~", $meta;
…		…
1953		2601
1954	return unless $self->type == cf::PLAYER;	2602	return unless $self->type == cf::PLAYER;
1955		2603
1956	if ($exit->slaying eq "/!") {	2604	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job	2605	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2606	# the problem is that $exit might not survive long enough
		2607	# so it needs to be done right now, right here
1958	cf::sync_job { prepare_random_map $exit };	2608	cf::sync_job { prepare_random_map $exit };
1959	}	2609	}
1960		2610
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2611	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;	2612	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;	2613	my $sp = $exit->stats->sp;
1964		2614
1965	$self->enter_link;	2615	$self->enter_link;
1966		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
1967	(async {	2621	(async {
		2622	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2623
1968	$self->deactivate_recursive; # just to be sure	2624	$self->deactivate_recursive; # just to be sure
1969	unless (eval {	2625	unless (eval {
1970	$self->goto ($slaying, $hp, $sp);	2626	$self->goto ($slaying, $hp, $sp);
1971		2627
1972	1;	2628	1;
1973	}) {	2629	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2630	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "I'll try to bring you back to the map you were before. "	2631	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2632	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2633	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2634
1979	warn "ERROR in enter_exit: $@";	2635	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2636	$self->leave_link;
1981	}	2637	}
1982	})->prio (1);	2638	})->prio (1);
…		…
1998		2654
1999	utf8::encode $text;	2655	utf8::encode $text;
2000	$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);
2001	}	2657	}
2002		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
		2752	=item $client->ext_msg ($type, @msg)
		2753
		2754	Sends an ext event to the client.
		2755
		2756	=cut
		2757
		2758	sub cf::client::ext_msg($$@) {
		2759	my ($self, $type, @msg) = @_;
		2760
		2761	if ($self->extcmd == 2) {
		2762	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2763	} elsif ($self->extcmd == 1) { # TODO: remove
		2764	push @msg, msgtype => "event_$type";
		2765	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2766	}
		2767	}
		2768
		2769	=item $client->ext_reply ($msgid, @msg)
		2770
		2771	Sends an ext reply to the client.
		2772
		2773	=cut
		2774
		2775	sub cf::client::ext_reply($$@) {
		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	}
		2785	}
2003		2786
2004	=item $success = $client->query ($flags, "text", \&cb)	2787	=item $success = $client->query ($flags, "text", \&cb)
2005		2788
2006	Queues a query to the client, calling the given callback with	2789	Queues a query to the client, calling the given callback with
2007	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>,
2008	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>.
2009		2792
2010	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
2011	reliable at some point in the future.	2794	become reliable at some point in the future.
2012		2795
2013	=cut	2796	=cut
2014		2797
2015	sub cf::client::query {	2798	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2799	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2807	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2808	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2809
2027	$self->send_packet ($self->{query_queue}[0][0])	2810	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2811	if @{ $self->{query_queue} } == 1;
		2812
		2813	1
2029	}	2814	}
2030		2815
2031	cf::client->attach (	2816	cf::client->attach (
		2817	on_connect => sub {
		2818	my ($ns) = @_;
		2819
		2820	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2821	},
2032	on_reply => sub {	2822	on_reply => sub {
2033	my ($ns, $msg) = @_;	2823	my ($ns, $msg) = @_;
2034		2824
2035	# this weird shuffling is so that direct followup queries	2825	# this weird shuffling is so that direct followup queries
2036	# get handled first	2826	# get handled first
…		…
2048	} else {	2838	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2839	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2840	}
2051	}	2841	}
2052	},	2842	},
		2843	on_exticmd => sub {
		2844	my ($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	},
2053	);	2869	);
2054		2870
2055	=item $client->async (\&cb)	2871	=item $client->async (\&cb)
2056		2872
2057	Create a new coroutine, running the specified callback. The coroutine will	2873	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	2914	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	2915	our $safe_hole = new Safe::Hole;
2100		2916
2101	$SIG{FPE} = 'IGNORE';	2917	$SIG{FPE} = 'IGNORE';
2102		2918
2103	$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	));
2104		2924
2105	# here we export the classes and methods available to script code	2925	# here we export the classes and methods available to script code
2106		2926
2107	=pod	2927	=pod
2108		2928
2109	The following functions and methods are available within a safe environment:	2929	The following functions and methods are available within a safe environment:
2110		2930
2111	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
2112	cf::object::player player	2935	cf::object::player
2113	cf::player peaceful	2936	player
2114	cf::map trigger	2937
		2938	cf::player
		2939	peaceful
		2940
		2941	cf::map
		2942	trigger
2115		2943
2116	=cut	2944	=cut
2117		2945
2118	for (	2946	for (
2119	["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)],
2120	["cf::object::player" => qw(player)],	2950	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	2951	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	2952	["cf::map" => qw(trigger)],
2123	) {	2953	) {
2124	no strict 'refs';	2954	no strict 'refs';
…		…
2195	=back	3025	=back
2196		3026
2197	=cut	3027	=cut
2198		3028
2199	#############################################################################	3029	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	3030	# the server's init and main functions
2273		3031
2274	sub load_facedata {	3032	sub load_facedata($) {
2275	my $path = sprintf "%s/facedata", cf::datadir;	3033	my ($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;
2276		3040
2277	warn "loading facedata from $path\n";	3041	warn "loading facedata from $path\n";
2278		3042
2279	my $faces;	3043	my $facedata;
2280	0 < aio_load $path, $faces	3044	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3045	or die "$path: $!";
2282		3046
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3047	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3048
2287	my $meta = delete $faces->{""};
2288	$meta->{version} == 1	3049	$facedata->{version} == 2
2289	or cf::cleanup "$path: version mismatch, cannot proceed.";	3050	or cf::cleanup "$path: version mismatch, cannot proceed.";
2290		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
		3059	{
		3060	my $faces = $facedata->{faceinfo};
		3061
2291	while (my ($face, $info) = each %$faces) {	3062	while (my ($face, $info) = each %$faces) {
2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3063	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3064	cf::face::set_visibility $idx, $info->{visibility};
		3065	cf::face::set_magicmap $idx, $info->{magicmap};
2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3066	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2295	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3067	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2296	Coro::cede;
2297	}
2298		3068
		3069	cf::cede_to_tick;
		3070	}
		3071
2299	while (my ($face, $info) = each %$faces) {	3072	while (my ($face, $info) = each %$faces) {
2300	next unless $info->{smooth};	3073	next unless $info->{smooth};
2301	my $idx = cf::face::find $face	3074	my $idx = cf::face::find $face
2302	or next;	3075	or next;
2303	if (my $smooth = cf::face::find $info->{smooth}) {	3076	if (my $smooth = cf::face::find $info->{smooth}) {
2304	cf::face::set_smooth $idx, $smooth;	3077	cf::face::set_smooth $idx, $smooth;
		3078	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2305	} else {	3079	} else {
2306	warn "smooth face '$info->{smooth}' not found for face '$face'";	3080	warn "smooth face '$info->{smooth}' not found for face '$face'";
2307	}	3081	}
2308	Coro::cede;	3082
		3083	cf::cede_to_tick;
		3084	}
		3085	}
		3086
		3087	{
		3088	my $anims = $facedata->{animinfo};
		3089
		3090	while (my ($anim, $info) = each %$anims) {
		3091	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3092	cf::cede_to_tick;
		3093	}
		3094
		3095	cf::anim::invalidate_all; # d'oh
		3096	}
		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 => $face;
		3143	}
		3144	}
2309	}	3145	}
2310		3146
2311	1	3147	1
2312	}	3148	}
2313		3149
		3150	register_exticmd fx_want => sub {
		3151	my ($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 $_->{match};
		3169	}
		3170	}
		3171
		3172	sub reload_facedata {
		3173	load_facedata "$DATADIR/facedata"
		3174	or die "unable to load facedata\n";
		3175	}
		3176
		3177	sub reload_archetypes {
		3178	load_resource_file "$DATADIR/archetypes"
		3179	or die "unable to load archetypes\n";
		3180	#d# NEED to laod twice to resolve forward references
		3181	# this really needs to be done in an extra post-pass
		3182	# (which needs to be synchronous, so solve it differently)
		3183	load_resource_file "$DATADIR/archetypes"
		3184	or die "unable to load archetypes\n";
		3185	}
		3186
		3187	sub reload_treasures {
		3188	load_resource_file "$DATADIR/treasures"
		3189	or die "unable to load treasurelists\n";
		3190	}
		3191
2314	sub reload_resources {	3192	sub reload_resources {
2315	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3193	warn "reloading resource files...\n";
2316	or die "unable to load regions file\n";#d#	3194
		3195	reload_regions;
2317	load_facedata	3196	reload_facedata;
2318	or die "unable to load facedata\n";#d#	3197	#reload_archetypes;#d#
		3198	reload_archetypes;
		3199	reload_treasures;
		3200
		3201	warn "finished reloading resource files\n";
2319	}	3202	}
2320		3203
2321	sub init {	3204	sub init {
2322	reload_resources;	3205	reload_resources;
2323	}	3206	}
2324		3207
2325	sub cfg_load {	3208	sub reload_config {
2326	open my $fh, "<:utf8", cf::confdir . "/config"	3209	open my $fh, "<:utf8", "$CONFDIR/config"
2327	or return;	3210	or return;
2328		3211
2329	local $/;	3212	local $/;
2330	*CFG = YAML::Syck::Load <$fh>;	3213	*CFG = YAML::Syck::Load <$fh>;
2331		3214
…		…
2346	sub main {	3229	sub main {
2347	# we must not ever block the main coroutine	3230	# we must not ever block the main coroutine
2348	local $Coro::idle = sub {	3231	local $Coro::idle = sub {
2349	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#
2350	(async {	3233	(async {
		3234	$Coro::current->{desc} = "IDLE BUG HANDLER";
2351	Event::one_event;	3235	Event::one_event;
2352	})->prio (Coro::PRIO_MAX);	3236	})->prio (Coro::PRIO_MAX);
2353	};	3237	};
2354		3238
2355	cfg_load;	3239	reload_config;
2356	db_init;	3240	db_init;
2357	load_extensions;	3241	load_extensions;
2358		3242
2359	$TICK_WATCHER->start;	3243	$TICK_WATCHER->start;
2360	Event::loop;	3244	Event::loop;
…		…
2376	},	3260	},
2377	);	3261	);
2378	}	3262	}
2379	}	3263	}
2380		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
2381	sub emergency_save() {	3303	sub emergency_save() {
2382	my $freeze_guard = cf::freeze_mainloop;	3304	my $freeze_guard = cf::freeze_mainloop;
2383		3305
2384	warn "enter emergency perl save\n";	3306	warn "enter emergency perl save\n";
2385		3307
…		…
2389	# and maps saved/destroyed asynchronously.	3311	# and maps saved/destroyed asynchronously.
2390	warn "begin emergency player save\n";	3312	warn "begin emergency player save\n";
2391	for my $login (keys %cf::PLAYER) {	3313	for my $login (keys %cf::PLAYER) {
2392	my $pl = $cf::PLAYER{$login} or next;	3314	my $pl = $cf::PLAYER{$login} or next;
2393	$pl->valid or next;	3315	$pl->valid or next;
		3316	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2394	$pl->save;	3317	$pl->save;
2395	}	3318	}
2396	warn "end emergency player save\n";	3319	warn "end emergency player save\n";
2397		3320
2398	warn "begin emergency map save\n";	3321	warn "begin emergency map save\n";
…		…
2416		3339
2417	warn Carp::longmess "post_cleanup backtrace"	3340	warn Carp::longmess "post_cleanup backtrace"
2418	if $make_core;	3341	if $make_core;
2419	}	3342	}
2420		3343
2421	sub reload() {	3344	sub do_reload_perl() {
2422	# can/must only be called in main	3345	# can/must only be called in main
2423	if ($Coro::current != $Coro::main) {	3346	if ($Coro::current != $Coro::main) {
2424	warn "can only reload from main coroutine";	3347	warn "can only reload from main coroutine";
2425	return;	3348	return;
2426	}	3349	}
…		…
2460	%EXT_CORO = ();	3383	%EXT_CORO = ();
2461		3384
2462	warn "removing commands";	3385	warn "removing commands";
2463	%COMMAND = ();	3386	%COMMAND = ();
2464		3387
2465	warn "removing ext commands";	3388	warn "removing ext/exti commands";
2466	%EXTCMD = ();	3389	%EXTCMD = ();
		3390	%EXTICMD = ();
2467		3391
2468	warn "unloading/nuking all extensions";	3392	warn "unloading/nuking all extensions";
2469	for my $pkg (@EXTS) {	3393	for my $pkg (@EXTS) {
2470	warn "... unloading $pkg";	3394	warn "... unloading $pkg";
2471		3395
…		…
2501	Symbol::delete_package "safe::$_"	3425	Symbol::delete_package "safe::$_"
2502	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);
2503		3427
2504	warn "unloading cf.pm \"a bit\"";	3428	warn "unloading cf.pm \"a bit\"";
2505	delete $INC{"cf.pm"};	3429	delete $INC{"cf.pm"};
		3430	delete $INC{"cf/pod.pm"};
2506		3431
2507	# don't, removes xs symbols, too,	3432	# don't, removes xs symbols, too,
2508	# and global variables created in xs	3433	# and global variables created in xs
2509	#Symbol::delete_package __PACKAGE__;	3434	#Symbol::delete_package __PACKAGE__;
2510		3435
…		…
2513	warn "reloading cf.pm";	3438	warn "reloading cf.pm";
2514	require cf;	3439	require cf;
2515	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3440	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2516		3441
2517	warn "loading config and database again";	3442	warn "loading config and database again";
2518	cf::cfg_load;	3443	cf::reload_config;
2519		3444
2520	warn "loading extensions";	3445	warn "loading extensions";
2521	cf::load_extensions;	3446	cf::load_extensions;
2522		3447
2523	warn "reattaching attachments to objects/players";	3448	warn "reattaching attachments to objects/players";
…		…
2525	warn "reattaching attachments to maps";	3450	warn "reattaching attachments to maps";
2526	reattach $_ for values %MAP;	3451	reattach $_ for values %MAP;
2527	warn "reattaching attachments to players";	3452	warn "reattaching attachments to players";
2528	reattach $_ for values %PLAYER;	3453	reattach $_ for values %PLAYER;
2529		3454
2530	warn "loading reloadable resources";
2531	reload_resources;
2532
2533	warn "leaving sync_job";	3455	warn "leaving sync_job";
2534		3456
2535	1	3457	1
2536	} or do {	3458	} or do {
2537	warn $@;	3459	warn $@;
…		…
2542	warn "reloaded";	3464	warn "reloaded";
2543	};	3465	};
2544		3466
2545	our $RELOAD_WATCHER; # used only during reload	3467	our $RELOAD_WATCHER; # used only during reload
2546		3468
		3469	sub reload_perl() {
		3470	# doing reload synchronously and two reloads happen back-to-back,
		3471	# coro crashes during coro_state_free->destroy here.
		3472
		3473	$RELOAD_WATCHER ||= Event->timer (
		3474	reentrant => 0,
		3475	after => 0,
		3476	data => WF_AUTOCANCEL,
		3477	cb => sub {
		3478	do_reload_perl;
		3479	undef $RELOAD_WATCHER;
		3480	},
		3481	);
		3482	}
		3483
2547	register_command "reload" => sub {	3484	register_command "reload" => sub {
2548	my ($who, $arg) = @_;	3485	my ($who, $arg) = @_;
2549		3486
2550	if ($who->flag (FLAG_WIZ)) {	3487	if ($who->flag (FLAG_WIZ)) {
2551	$who->message ("reloading server.");	3488	$who->message ("reloading server.");
2552		3489	async {
2553	# doing reload synchronously and two reloads happen back-to-back,	3490	$Coro::current->{desc} = "perl_reload";
2554	# coro crashes during coro_state_free->destroy here.
2555
2556	$RELOAD_WATCHER ||= Event->timer (
2557	reentrant => 0,
2558	after => 0,
2559	data => WF_AUTOCANCEL,
2560	cb => sub {
2561	reload;	3491	reload_perl;
2562	undef $RELOAD_WATCHER;
2563	},
2564	);	3492	};
2565	}	3493	}
2566	};	3494	};
2567		3495
2568	unshift @INC, $LIBDIR;	3496	unshift @INC, $LIBDIR;
2569		3497
2570	my $bug_warning = 0;	3498	my $bug_warning = 0;
		3499
		3500	our @WAIT_FOR_TICK;
		3501	our @WAIT_FOR_TICK_BEGIN;
		3502
		3503	sub wait_for_tick {
		3504	return unless $TICK_WATCHER->is_active;
		3505	return if $Coro::current == $Coro::main;
		3506
		3507	my $signal = new Coro::Signal;
		3508	push @WAIT_FOR_TICK, $signal;
		3509	$signal->wait;
		3510	}
		3511
		3512	sub wait_for_tick_begin {
		3513	return unless $TICK_WATCHER->is_active;
		3514	return if $Coro::current == $Coro::main;
		3515
		3516	my $signal = new Coro::Signal;
		3517	push @WAIT_FOR_TICK_BEGIN, $signal;
		3518	$signal->wait;
		3519	}
2571		3520
2572	$TICK_WATCHER = Event->timer (	3521	$TICK_WATCHER = Event->timer (
2573	reentrant => 0,	3522	reentrant => 0,
2574	parked => 1,	3523	parked => 1,
2575	prio => 0,	3524	prio => 0,
…		…
2580	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2581	unless ++$bug_warning > 10;	3530	unless ++$bug_warning > 10;
2582	return;	3531	return;
2583	}	3532	}
2584		3533
2585	$NOW = Event::time;	3534	$NOW = $tick_start = Event::time;
2586		3535
2587	cf::server_tick; # one server iteration	3536	cf::server_tick; # one server iteration
		3537
2588	$RUNTIME += $TICK;	3538	$RUNTIME += $TICK;
2589	$NEXT_TICK += $TICK;	3539	$NEXT_TICK += $TICK;
2590		3540
2591	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3541	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2592	$NEXT_RUNTIME_WRITE = $NOW + 10;	3542	$NEXT_RUNTIME_WRITE = $NOW + 10;
2593	Coro::async_pool {	3543	Coro::async_pool {
		3544	$Coro::current->{desc} = "runtime saver";
2594	write_runtime	3545	write_runtime
2595	or warn "ERROR: unable to write runtime file: $!";	3546	or warn "ERROR: unable to write runtime file: $!";
2596	};	3547	};
2597	}	3548	}
2598		3549
2599	$WAIT_FOR_TICK->broadcast;	3550	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2600	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3551	$sig->send;
		3552	}
		3553	while (my $sig = shift @WAIT_FOR_TICK) {
		3554	$sig->send;
		3555	}
2601		3556
2602	# my $AFTER = Event::time;	3557	$NOW = Event::time;
2603	# warn $AFTER - $NOW;#d#
2604		3558
2605	# 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
2606	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3560	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2607		3561
2608	$TICK_WATCHER->at ($NEXT_TICK);	3562	$TICK_WATCHER->at ($NEXT_TICK);
2609	$TICK_WATCHER->start;	3563	$TICK_WATCHER->start;
		3564
		3565	$LOAD = ($NOW - $tick_start) / $TICK;
		3566	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3567
		3568	_post_tick;
2610	},	3569	},
2611	);	3570	);
2612		3571
2613	{	3572	{
		3573	BDB::min_parallel 8;
2614	BDB::max_poll_time $TICK * 0.1;	3574	BDB::max_poll_time $TICK * 0.1;
2615	$BDB_POLL_WATCHER = Event->io (	3575	$BDB_POLL_WATCHER = Event->io (
2616	reentrant => 0,	3576	reentrant => 0,
2617	fd => BDB::poll_fileno,	3577	fd => BDB::poll_fileno,
2618	poll => 'r',	3578	poll => 'r',
2619	prio => 0,	3579	prio => 0,
2620	data => WF_AUTOCANCEL,	3580	data => WF_AUTOCANCEL,
2621	cb => \&BDB::poll_cb,	3581	cb => \&BDB::poll_cb,
2622	);	3582	);
2623	BDB::min_parallel 8;
2624		3583
2625	BDB::set_sync_prepare {	3584	BDB::set_sync_prepare {
2626	my $status;	3585	my $status;
2627	my $current = $Coro::current;	3586	my $current = $Coro::current;
2628	(	3587	(
…		…
2637	)	3596	)
2638	};	3597	};
2639		3598
2640	unless ($DB_ENV) {	3599	unless ($DB_ENV) {
2641	$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);
2642		3605
2643	cf::sync_job {	3606	cf::sync_job {
2644	eval {	3607	eval {
2645	BDB::db_env_open	3608	BDB::db_env_open
2646	$DB_ENV,	3609	$DB_ENV,
2647	$BDB_ENV_DIR,	3610	$BDBDIR,
2648	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3611	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2649	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3612	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2650	0666;	3613	0666;
2651		3614
2652	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3615	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2653
2654	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2655	$DB_ENV->set_lk_detect;
2656	};	3616	};
2657		3617
2658	cf::cleanup "db_env_open(db): $@" if $@;	3618	cf::cleanup "db_env_open(db): $@" if $@;
2659	};	3619	};
2660	}	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	);
2661	}	3652	}
2662		3653
2663	{	3654	{
2664	IO::AIO::min_parallel 8;	3655	IO::AIO::min_parallel 8;
2665		3656
…		…
2668	$AIO_POLL_WATCHER = Event->io (	3659	$AIO_POLL_WATCHER = Event->io (
2669	reentrant => 0,	3660	reentrant => 0,
2670	data => WF_AUTOCANCEL,	3661	data => WF_AUTOCANCEL,
2671	fd => IO::AIO::poll_fileno,	3662	fd => IO::AIO::poll_fileno,
2672	poll => 'r',	3663	poll => 'r',
2673	prio => 6,	3664	prio => 0,
2674	cb => \&IO::AIO::poll_cb,	3665	cb => \&IO::AIO::poll_cb,
2675	);	3666	);
2676	}	3667	}
2677		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
		3709	# load additional modules
		3710	use cf::pod;
		3711
2678	END { cf::emergency_save }	3712	END { cf::emergency_save }
2679		3713
2680	1	3714	1
2681		3715

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