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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.231 by root, Wed Apr 4 00:02:06 2007 UTC vs.
Revision 1.382 by root, Thu Oct 11 00:34:31 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
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 | logBacktrace, 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
		973	sub _can_merge {
		974	my ($ob1, $ob2) = @_;
		975
		976	local $Storable::canonical = 1;
		977	my $fob1 = Storable::freeze $ob1;
		978	my $fob2 = Storable::freeze $ob2;
		979
		980	$fob1 eq $fob2
		981	}
709		982
710	sub reattach {	983	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	984	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	985	my ($obj) = @_;
713		986
…		…
760	sub object_freezer_save {	1033	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1034	my ($filename, $rdata, $objs) = @_;
762		1035
763	sync_job {	1036	sync_job {
764	if (length $$rdata) {	1037	if (length $$rdata) {
		1038	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1039	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1040	$decname, length $$rdata, scalar @$objs;
767		1041
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1042	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1043	chmod SAVE_MODE, $fh;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1044	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1045	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1046	close $fh;
773		1047
774	if (@$objs) {	1048	if (@$objs) {
775	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1049	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
776	chmod SAVE_MODE, $fh;	1050	chmod SAVE_MODE, $fh;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1051	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1052	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1053	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1054	close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1055	aio_rename "$filename.pst~", "$filename.pst";
782	}	1056	}
…		…
790	}	1064	}
791	} else {	1065	} else {
792	aio_unlink $filename;	1066	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1067	aio_unlink "$filename.pst";
794	}	1068	}
795	}	1069	};
796	}	1070	}
797		1071
798	sub object_freezer_as_string {	1072	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1073	my ($rdata, $objs) = @_;
800		1074
…		…
812	or return;	1086	or return;
813		1087
814	unless (aio_stat "$filename.pst") {	1088	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1089	(aio_load "$filename.pst", $av) >= 0
816	or return;	1090	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };
818	}
819		1091
		1092	my $st = eval { Coro::Storable::thaw $av }
		1093	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1094	$av = $st->{objs};
		1095	}
		1096
		1097	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
822	return ($data, $av);	1101	($data, $av)
823	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
824		1109
825	#############################################################################	1110	#############################################################################
826	# command handling &c	1111	# command handling &c
827		1112
828	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1127	}
843		1128
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1130
846	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
847		1136
848	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
849	called.	1138	called.
850		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
851	=cut	1151	=cut
852		1152
853	sub register_extcmd {	1153	sub register_extcmd {
854	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
855		1155
856	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
857	}	1163	}
858		1164
859	cf::player->attach (	1165	cf::player->attach (
860	on_command => sub {	1166	on_command => sub {
861	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1176	cf::override;
871	},	1177	},
872	on_extcmd => sub {	1178	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
874		1180
875	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1182
877	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
883	} else {	1198	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1200	}
886		1201
887	cf::override;	1202	cf::override;
888	},	1203	},
889	);	1204	);
890		1205
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 {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
926	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1211	next unless -r $path;
928	eval {	1212
929	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
930	1	1270	}
931	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
932	}	1276	};
933	}	1277	}
934		1278
935	#############################################################################	1279	#############################################################################
936		1280
		1281	=back
		1282
937	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
938		1284
939	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
940		1286
941	=cut	1287	=cut
…		…
946		1292
947	=head3 cf::player	1293	=head3 cf::player
948		1294
949	=over 4	1295	=over 4
950		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
		1310
951	=item cf::player::find $login	1311	=item cf::player::find $login
952		1312
953	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
954		1314
955	=cut	1315	=cut
956		1316
957	sub playerdir($) {	1317	sub playerdir($) {
958	cf::localdir	1318	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1320	}
964		1321
965	sub path($) {	1322	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1324
968	(playerdir $login) . "/$login.pl"	1325	(playerdir $login) . "/playerdata"
969	}	1326	}
970		1327
971	sub find_active($) {	1328	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1329	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1330	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1343	my $login = $_[0];
987		1344
988	my $guard = cf::lock_acquire "user_find:$login";	1345	my $guard = cf::lock_acquire "user_find:$login";
989		1346
990	$cf::PLAYER{$_[0]} || do {	1347	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1348	# rename old playerfiles to new ones
		1349	#TODO: remove when no longer required
		1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1353	aio_unlink +(playerdir $login) . "/$login.pl";
		1354
		1355	my $f = new_from_file cf::object::thawer path $login
992	or return;	1356	or return;
		1357
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
994	}	1363	}
995	}	1364	}
996	}	1365	}
997		1366
…		…
1007		1376
1008	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1010		1379
1011	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1012	Coro::cede;	1381	cf::cede_to_tick;
1013	}	1382	}
1014		1383
1015	sub new($) {	1384	sub new($) {
1016	my ($login) = @_;	1385	my ($login) = @_;
1017		1386
…		…
1021	$self->{deny_save} = 1;	1390	$self->{deny_save} = 1;
1022		1391
1023	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1024		1393
1025	$self	1394	$self
		1395	}
		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
1026	}	1405	}
1027		1406
1028	=item $pl->quit_character	1407	=item $pl->quit_character
1029		1408
1030	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
…		…
1079	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1080		1459
1081	=cut	1460	=cut
1082		1461
1083	sub list_logins {	1462	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1464	or return [];
1086		1465
1087	my @logins;	1466	my @logins;
1088		1467
1089	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1093		1477
1094	utf8::decode $login;	1478	utf8::decode $login;
1095	push @logins, $login;	1479	push @logins, $login;
1096	}	1480	}
1097		1481
…		…
1124	}	1508	}
1125		1509
1126	\@paths	1510	\@paths
1127	}	1511	}
1128		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1129	=item $player->ext_reply ($msgid, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1130		1565
1131	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1132		1567
1133	=cut	1568	=cut
1134		1569
1135	sub ext_reply($$%) {	1570	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1137		1572
1138	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1574	}
1142		1575
1143	=item $player->ext_event ($type, %msg)	1576	=item $player->ext_msg ($type, @msg)
1144		1577
1145	Sends an ext event to the client.	1578	Sends an ext event to the client.
1146		1579
1147	=cut	1580	=cut
1148		1581
1149	sub ext_event($$%) {	1582	sub ext_msg($$@) {
1150	my ($self, $type, %msg) = @_;	1583	my ($self, $type, @msg) = @_;
1151		1584
1152	delete $msg{msgid};	1585	$self->ns->ext_msg ($type, @msg);
1153	$msg{msgtype} = "event";
1154	$msg{eventtype} = $type;
1155
1156	$self->send ("ext " . cf::to_json \%msg);
1157	}	1586	}
1158		1587
1159	package cf;	1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1160		1616
1161	=back	1617	=back
1162
1163		1618
1164	=head3 cf::map	1619	=head3 cf::map
1165		1620
1166	=over 4	1621	=over 4
1167		1622
…		…
1222	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1223		1678
1224	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1225	local $self->{path};	1680	local $self->{path};
1226	local $self->{load_path};	1681	local $self->{load_path};
1227	local $self->{deny_save};
1228	local $self->{deny_reset};
1229		1682
1230	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1231	}	1684	}
1232		1685
1233	sub normalise {	1686	sub normalise {
…		…
1280	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1281	return $self;	1734	return $self;
1282	}	1735	}
1283	}	1736	}
1284		1737
1285	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1286	()	1739	()
1287	}	1740	}
1288		1741
1289	sub init {	1742	sub init {
1290	my ($self) = @_;	1743	my ($self) = @_;
…		…
1305		1758
1306	# the original (read-only) location	1759	# the original (read-only) location
1307	sub load_path {	1760	sub load_path {
1308	my ($self) = @_;	1761	my ($self) = @_;
1309		1762
1310	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1311	}	1764	}
1312		1765
1313	# the temporary/swap location	1766	# the temporary/swap location
1314	sub save_path {	1767	sub save_path {
1315	my ($self) = @_;	1768	my ($self) = @_;
1316		1769
1317	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1318	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1319	}	1772	}
1320		1773
1321	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1322	sub uniq_path {	1775	sub uniq_path {
1323	my ($self) = @_;	1776	my ($self) = @_;
1324		1777
1325	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1326	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1327	}	1780	}
1328		1781
1329	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1330	# all maps in C++...	1783	# all maps in C++...
1331	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1333		1786
1334	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1335	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1336	}	1789	}
1337		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1338	sub unlink_save {	1799	sub unlink_save {
1339	my ($self) = @_;	1800	my ($self) = @_;
1340		1801
1341	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1342	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1345		1806
1346	sub load_header_from($) {	1807	sub load_header_from($) {
1347	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1348		1809
1349	utf8::encode $path;	1810	utf8::encode $path;
1350	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1351	# or return;
1352
1353	$self->_load_header ($path)
1354	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1355		1819
1356	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1357		1821
1358	1	1822	1
1359	}	1823	}
…		…
1398	$self->load_header_orig	1862	$self->load_header_orig
1399	or return;	1863	or return;
1400	$self->prepare_orig;	1864	$self->prepare_orig;
1401	}	1865	}
1402		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
		1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
		1872
1403	1	1873	1
1404	}	1874	}
1405		1875
1406	sub find;	1876	sub find;
1407	sub find {	1877	sub find {
1408	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1409		1879
1410	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1411		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1412	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1413		1884
1414	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1415	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1416	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1417	or return;	1890	or return;
1418		1891
1419	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1420		1893
1421	$map->load_header	1894	$map->load_header
1422	or return;	1895	or return;
1423		1896
1424	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1425	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1426	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1427	$map->reset;	1902	$map->reset;
1428	undef $guard;
1429	return find $path;	1903	return find $path;
1430	}	1904	}
1431		1905
1432	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1433	}	1907	}
…		…
1440	my ($self) = @_;	1914	my ($self) = @_;
1441		1915
1442	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1443		1917
1444	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1445	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1446		1922
		1923	return unless $self->valid;
1447	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1448		1925
1449	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1450		1927
1451	$self->alloc;	1928	$self->alloc;
1452		1929
1453	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1454		1932
1455	$self->_load_objects ($self->{load_path}, 1)	1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1456	or return;	1936	or return;
1457		1937
1458	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1459	if delete $self->{load_original};	1939	if delete $self->{load_original};
1460		1940
1461	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1462	utf8::encode $uniq;	1942	utf8::encode $uniq;
1463	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1464	$self->clear_unique_items;	1945	$self->clear_unique_items;
1465	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1466	}	1949	}
1467	}	1950	}
1468		1951
1469	Coro::cede;	1952	$f->resolve_delayed_derefs;
1470		1953
		1954	cf::cede_to_tick;
1471	# now do the right thing for maps	1955	# now do the right thing for maps
1472	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1473
1474	unless ($self->{deny_activate}) {
1475	$self->decay_objects;
1476	$self->fix_auto_apply;
1477	$self->update_buttons;
1478	Coro::cede;
1479	$self->set_darkness_map;
1480	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1481	unless $self->difficulty;	1958	unless $self->difficulty;
1482	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1483	$self->activate;	1968	$self->activate;
		1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
		1974	$self->in_memory (cf::MAP_IN_MEMORY);
1484	}	1975	}
1485		1976
1486	$self->post_load;	1977	$self->post_load;
1487
1488	$self->in_memory (cf::MAP_IN_MEMORY);
1489	}	1978	}
1490		1979
1491	sub customise_for {	1980	sub customise_for {
1492	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1493		1982
1494	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1495	if $self->per_player;	1984	if $self->per_player;
1496		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1497	$self	1989	$self
1498	}	1990	}
1499		1991
1500	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1501	sub load_diag {	1993	sub load_neighbours {
1502	my ($map) = @_;	1994	my ($map) = @_;
1503		1995
1504	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1505		1997
1506	for (0 .. 3) {	1998	for (0 .. 3) {
1507	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1508	or next;	2000	or next;
1509	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1510	or next;	2002	or next;
1511	$neigh->load;	2003	$neigh->load;
1512		2004
		2005	push @neigh,
1513	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1514	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1515	}	2008	}
1516		2009
1517	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1518	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1519	or next;	2013	or next;
1520	$neigh->load;	2014	$neigh->load;
1521	}	2015	}
1522	}	2016	}
1523		2017
…		…
1528	}	2022	}
1529		2023
1530	sub do_load_sync {	2024	sub do_load_sync {
1531	my ($map) = @_;	2025	my ($map) = @_;
1532		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1533	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1534	}	2031	}
1535		2032
1536	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1537	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1538		2035
1539	sub find_async {	2036	sub find_async {
1540	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1541		2038
1542	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1543		2040
1544	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1545	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1546	}	2043	}
1547		2044
1548	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1549	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
		2048	$Coro::current->{desc} = "map prefetcher";
		2049
1550	while (%MAP_PREFETCH) {	2050	while (%MAP_PREFETCH) {
1551	for my $path (keys %MAP_PREFETCH) {	2051	while (my ($k, $v) = each %MAP_PREFETCH) {
1552	my $map = find $path	2052	if (my $map = find $k) {
1553	or next;
1554	$map->load;	2053	$map->load if $v;
		2054	}
1555		2055
1556	delete $MAP_PREFETCH{$path};	2056	delete $MAP_PREFETCH{$k};
1557	}	2057	}
1558	}	2058	}
1559	undef $MAP_PREFETCHER;	2059	undef $MAP_PREFETCHER;
1560	};	2060	};
1561	$MAP_PREFETCHER->prio (6);	2061	$MAP_PREFETCHER->prio (6);
…		…
1564	}	2064	}
1565		2065
1566	sub save {	2066	sub save {
1567	my ($self) = @_;	2067	my ($self) = @_;
1568		2068
1569	my $lock = cf::lock_acquire "map_data:" . $self->path;	2069	my $lock = cf::lock_acquire "map_data:$self->{path}";
1570		2070
1571	$self->{last_save} = $cf::RUNTIME;	2071	$self->{last_save} = $cf::RUNTIME;
1572		2072
1573	return unless $self->dirty;	2073	return unless $self->dirty;
1574		2074
…		…
1580	return if $self->{deny_save};	2080	return if $self->{deny_save};
1581		2081
1582	local $self->{last_access} = $self->last_access;#d#	2082	local $self->{last_access} = $self->last_access;#d#
1583		2083
1584	cf::async {	2084	cf::async {
		2085	$Coro::current->{desc} = "map player save";
1585	$_->contr->save for $self->players;	2086	$_->contr->save for $self->players;
1586	};	2087	};
1587		2088
1588	if ($uniq) {	2089	if ($uniq) {
1589	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2090	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1597	my ($self) = @_;	2098	my ($self) = @_;
1598		2099
1599	# save first because save cedes	2100	# save first because save cedes
1600	$self->save;	2101	$self->save;
1601		2102
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2104
1604	return if $self->players;	2105	return if $self->players;
1605	return if $self->in_memory != cf::MAP_IN_MEMORY;	2106	return if $self->in_memory != cf::MAP_IN_MEMORY;
1606	return if $self->{deny_save};	2107	return if $self->{deny_save};
1607		2108
		2109	$self->in_memory (cf::MAP_SWAPPED);
		2110
		2111	$self->deactivate;
		2112	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2113	$self->clear;
1609	$self->in_memory (cf::MAP_SWAPPED);
1610	}	2114	}
1611		2115
1612	sub reset_at {	2116	sub reset_at {
1613	my ($self) = @_;	2117	my ($self) = @_;
1614		2118
1615	# TODO: safety, remove and allow resettable per-player maps	2119	# TODO: safety, remove and allow resettable per-player maps
1616	return 1e99 if $self->isa ("ext::map_per_player");#d#
1617	return 1e99 if $self->{deny_reset};	2120	return 1e99 if $self->{deny_reset};
1618		2121
1619	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2122	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1620	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2123	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1621		2124
…		…
1632	my ($self) = @_;	2135	my ($self) = @_;
1633		2136
1634	my $lock = cf::lock_acquire "map_data:$self->{path}";	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1635		2138
1636	return if $self->players;	2139	return if $self->players;
1637	return if $self->isa ("ext::map_per_player");#d#
1638		2140
1639	warn "resetting map ", $self->path;#d#	2141	warn "resetting map ", $self->path;
1640		2142
1641	$self->in_memory (cf::MAP_SWAPPED);	2143	$self->in_memory (cf::MAP_SWAPPED);
1642		2144
1643	# need to save uniques path	2145	# need to save uniques path
1644	unless ($self->{deny_save}) {	2146	unless ($self->{deny_save}) {
…		…
1648	if $uniq;	2150	if $uniq;
1649	}	2151	}
1650		2152
1651	delete $cf::MAP{$self->path};	2153	delete $cf::MAP{$self->path};
1652		2154
		2155	$self->deactivate;
		2156	$_->clear_links_to ($self) for values %cf::MAP;
1653	$self->clear;	2157	$self->clear;
1654
1655	$_->clear_links_to ($self) for values %cf::MAP;
1656		2158
1657	$self->unlink_save;	2159	$self->unlink_save;
1658	$self->destroy;	2160	$self->destroy;
1659	}	2161	}
1660		2162
1661	my $nuke_counter = "aaaa";	2163	my $nuke_counter = "aaaa";
1662		2164
1663	sub nuke {	2165	sub nuke {
1664	my ($self) = @_;	2166	my ($self) = @_;
1665		2167
		2168	{
		2169	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2170
1666	delete $cf::MAP{$self->path};	2171	delete $cf::MAP{$self->path};
1667		2172
1668	$self->unlink_save;	2173	$self->unlink_save;
1669		2174
1670	bless $self, "cf::map";	2175	bless $self, "cf::map";
1671	delete $self->{deny_reset};	2176	delete $self->{deny_reset};
1672	$self->{deny_save} = 1;	2177	$self->{deny_save} = 1;
1673	$self->reset_timeout (1);	2178	$self->reset_timeout (1);
1674	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2179	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1675		2180
1676	$cf::MAP{$self->path} = $self;	2181	$cf::MAP{$self->path} = $self;
		2182	}
1677		2183
1678	$self->reset; # polite request, might not happen	2184	$self->reset; # polite request, might not happen
		2185	}
		2186
		2187	=item $maps = cf::map::tmp_maps
		2188
		2189	Returns an arrayref with all map paths of currently instantiated and saved
		2190	maps. May block.
		2191
		2192	=cut
		2193
		2194	sub tmp_maps() {
		2195	[
		2196	map {
		2197	utf8::decode $_;
		2198	/\.map$/
		2199	? normalise $_
		2200	: ()
		2201	} @{ aio_readdir $TMPDIR or [] }
		2202	]
		2203	}
		2204
		2205	=item $maps = cf::map::random_maps
		2206
		2207	Returns an arrayref with all map paths of currently instantiated and saved
		2208	random maps. May block.
		2209
		2210	=cut
		2211
		2212	sub random_maps() {
		2213	[
		2214	map {
		2215	utf8::decode $_;
		2216	/\.map$/
		2217	? normalise "?random/$_"
		2218	: ()
		2219	} @{ aio_readdir $RANDOMDIR or [] }
		2220	]
1679	}	2221	}
1680		2222
1681	=item cf::map::unique_maps	2223	=item cf::map::unique_maps
1682		2224
1683	Returns an arrayref of paths of all shared maps that have	2225	Returns an arrayref of paths of all shared maps that have
1684	instantiated unique items. May block.	2226	instantiated unique items. May block.
1685		2227
1686	=cut	2228	=cut
1687		2229
1688	sub unique_maps() {	2230	sub unique_maps() {
1689	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2231	[
1690	or return;	2232	map {
1691
1692	my @paths;
1693
1694	for (@$files) {
1695	utf8::decode $_;	2233	utf8::decode $_;
1696	next if /\.pst$/;	2234	/\.map$/
1697	next unless /^$PATH_SEP/o;	2235	? normalise $_
1698		2236	: ()
1699	push @paths, cf::map::normalise $_;	2237	} @{ aio_readdir $UNIQUEDIR or [] }
1700	}	2238	]
1701
1702	\@paths
1703	}	2239	}
1704		2240
1705	package cf;	2241	package cf;
1706		2242
1707	=back	2243	=back
…		…
1725	map { $_, inv_recursive_ $_->inv } @_	2261	map { $_, inv_recursive_ $_->inv } @_
1726	}	2262	}
1727		2263
1728	sub inv_recursive {	2264	sub inv_recursive {
1729	inv_recursive_ inv $_[0]	2265	inv_recursive_ inv $_[0]
		2266	}
		2267
		2268	=item $ref = $ob->ref
		2269
		2270	creates and returns a persistent reference to an objetc that can be stored as a string.
		2271
		2272	=item $ob = cf::object::deref ($refstring)
		2273
		2274	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2275	even if the object actually exists. May block.
		2276
		2277	=cut
		2278
		2279	sub deref {
		2280	my ($ref) = @_;
		2281
		2282	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1730	}	2294	}
1731		2295
1732	package cf;	2296	package cf;
1733		2297
1734	=back	2298	=back
…		…
1753		2317
1754	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1755		2319
1756	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1757	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1758	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1759	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1760	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1761	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1762	}	2345	}
1763		2346
1764	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1765		2348
1766	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1813	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1814		2397
1815	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1816		2399
1817	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1818	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1819		2402
1820	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1821	}	2404	}
1822		2405
1823	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1824	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1825		2410
1826	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1827		2412
1828	unless ($map) {	2413	unless ($map) {
1829	# restore original map position	2414	# restore original map position
…		…
1843	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1844	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1845	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1846		2431
1847	$map->load;	2432	$map->load;
1848	$map->load_diag;	2433	$map->load_neighbours;
1849		2434
1850	return unless $self->contr->active;	2435	return unless $self->contr->active;
1851	$self->activate_recursive;	2436	$self->activate_recursive;
1852		2437
1853	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1854	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1855	}	2440	}
1856		2441
1857	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1858	on_logout => sub {
1859	my ($pl) = @_;
1860		2443
1861	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1862	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1863	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1864	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1865	};	2448	be called at the end of this process.
1866	}
1867	},
1868	on_login => sub {
1869	my ($pl) = @_;
1870		2449
1871	# try to abort aborted map switching on player login :)
1872	# should happen only on crashes
1873	if ($pl->ob->{_link_pos}) {
1874	$pl->ob->enter_link;
1875	(async {
1876	$pl->ob->reply (undef,
1877	"There was an internal problem at your last logout, "
1878	. "the server will try to bring you to your intended destination in a second.",
1879	cf::NDI_RED);
1880	# we need this sleep as the login has a concurrent enter_exit running
1881	# and this sleep increases chances of the player not ending up in scorn
1882	Coro::Timer::sleep 1;
1883	$pl->ob->leave_link;
1884	})->prio (2);
1885	}
1886	},
1887	);
1888
1889	=item $player_object->goto ($path, $x, $y)
1890
1891	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1892		2453
1893	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1894	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1895		2459
1896	$self->enter_link;	2460	$self->enter_link;
1897		2461
1898	(async {	2462	(async {
		2463	$Coro::current->{desc} = "player::goto $path $x $y";
		2464
		2465	# *tag paths override both path and x|y
		2466	if ($path =~ /^\*(.*)$/) {
		2467	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2468	my $ob = $obs[rand @obs];
		2469
		2470	# see if we actually can go there
		2471	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2472	$ob = $obs[rand @obs];
		2473	} else {
		2474	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2475	}
		2476	# else put us there anyways for now #d#
		2477
		2478	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2479	} else {
		2480	($path, $x, $y) = (undef, undef, undef);
		2481	}
		2482	}
		2483
1899	my $map = eval {	2484	my $map = eval {
1900	my $map = cf::map::find $path;	2485	my $map = defined $path ? cf::map::find $path : undef;
		2486
		2487	if ($map) {
1901	$map = $map->customise_for ($self) if $map;	2488	$map = $map->customise_for ($self);
		2489	$map = $check->($map) if $check && $map;
		2490	} else {
		2491	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2492	}
		2493
1902	$map	2494	$map
		2495	};
		2496
		2497	if ($@) {
		2498	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2499	LOG llevError | logBacktrace, Carp::longmess $@;
1903	} or	2500	}
1904	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1905		2501
		2502	if ($gen == $self->{_goto_generation}) {
		2503	delete $self->{_goto_generation};
1906	$self->leave_link ($map, $x, $y);	2504	$self->leave_link ($map, $x, $y);
		2505	}
		2506
		2507	$done->() if $done;
1907	})->prio (1);	2508	})->prio (1);
1908	}	2509	}
1909		2510
1910	=item $player_object->enter_exit ($exit_object)	2511	=item $player_object->enter_exit ($exit_object)
1911		2512
…		…
1950		2551
1951	$rmp->{random_seed} ||= $exit->random_seed;	2552	$rmp->{random_seed} ||= $exit->random_seed;
1952		2553
1953	my $data = cf::to_json $rmp;	2554	my $data = cf::to_json $rmp;
1954	my $md5 = Digest::MD5::md5_hex $data;	2555	my $md5 = Digest::MD5::md5_hex $data;
1955	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2556	my $meta = "$RANDOMDIR/$md5.meta";
1956		2557
1957	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2558	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1958	aio_write $fh, 0, (length $data), $data, 0;	2559	aio_write $fh, 0, (length $data), $data, 0;
1959	undef $fh;	2560	undef $fh;
1960	aio_rename "$meta~", $meta;	2561	aio_rename "$meta~", $meta;
…		…
1969		2570
1970	return unless $self->type == cf::PLAYER;	2571	return unless $self->type == cf::PLAYER;
1971		2572
1972	if ($exit->slaying eq "/!") {	2573	if ($exit->slaying eq "/!") {
1973	#TODO: this should de-fi-ni-te-ly not be a sync-job	2574	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2575	# the problem is that $exit might not survive long enough
		2576	# so it needs to be done right now, right here
1974	cf::sync_job { prepare_random_map $exit };	2577	cf::sync_job { prepare_random_map $exit };
1975	}	2578	}
1976		2579
1977	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2580	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1978	my $hp = $exit->stats->hp;	2581	my $hp = $exit->stats->hp;
1979	my $sp = $exit->stats->sp;	2582	my $sp = $exit->stats->sp;
1980		2583
1981	$self->enter_link;	2584	$self->enter_link;
1982		2585
		2586	# if exit is damned, update players death & WoR home-position
		2587	$self->contr->savebed ($slaying, $hp, $sp)
		2588	if $exit->flag (FLAG_DAMNED);
		2589
1983	(async {	2590	(async {
		2591	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2592
1984	$self->deactivate_recursive; # just to be sure	2593	$self->deactivate_recursive; # just to be sure
1985	unless (eval {	2594	unless (eval {
1986	$self->goto ($slaying, $hp, $sp);	2595	$self->goto ($slaying, $hp, $sp);
1987		2596
1988	1;	2597	1;
1989	}) {	2598	}) {
1990	$self->message ("Something went wrong deep within the crossfire server. "	2599	$self->message ("Something went wrong deep within the crossfire server. "
1991	. "I'll try to bring you back to the map you were before. "	2600	. "I'll try to bring you back to the map you were before. "
1992	. "Please report this to the dungeon master!",	2601	. "Please report this to the dungeon master!",
1993	cf::NDI_UNIQUE | cf::NDI_RED);	2602	cf::NDI_UNIQUE | cf::NDI_RED);
1994		2603
1995	warn "ERROR in enter_exit: $@";	2604	warn "ERROR in enter_exit: $@";
1996	$self->leave_link;	2605	$self->leave_link;
1997	}	2606	}
1998	})->prio (1);	2607	})->prio (1);
…		…
2014		2623
2015	utf8::encode $text;	2624	utf8::encode $text;
2016	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2625	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2017	}	2626	}
2018		2627
		2628	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2629
		2630	Send a drawinfo or msg packet to the client, formatting the msg for the
		2631	client if neccessary. C<$type> should be a string identifying the type of
		2632	the message, with C<log> being the default. If C<$color> is negative, suppress
		2633	the message unless the client supports the msg packet.
		2634
		2635	=cut
		2636
		2637	our %CHANNEL = (
		2638	"c/identify" => {
		2639	id => "infobox",
		2640	title => "Identify",
		2641	reply => undef,
		2642	tooltip => "Items recently identified",
		2643	},
		2644	"c/examine" => {
		2645	id => "infobox",
		2646	title => "Examine",
		2647	reply => undef,
		2648	tooltip => "Signs and other items you examined",
		2649	},
		2650	"c/lookat" => {
		2651	id => "infobox",
		2652	title => "Look",
		2653	reply => undef,
		2654	tooltip => "What you saw there",
		2655	},
		2656	);
		2657
		2658	sub cf::client::send_msg {
		2659	my ($self, $channel, $msg, $color, @extra) = @_;
		2660
		2661	$msg = $self->pl->expand_cfpod ($msg);
		2662
		2663	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2664
		2665	# check predefined channels, for the benefit of C
		2666	if ($CHANNEL{$channel}) {
		2667	$channel = $CHANNEL{$channel};
		2668
		2669	$self->ext_msg (channel_info => $channel)
		2670	if $self->can_msg;
		2671
		2672	$channel = $channel->{id};
		2673
		2674	} elsif (ref $channel) {
		2675	# send meta info to client, if not yet sent
		2676	unless (exists $self->{channel}{$channel->{id}}) {
		2677	$self->{channel}{$channel->{id}} = $channel;
		2678	$self->ext_msg (channel_info => $channel)
		2679	if $self->can_msg;
		2680	}
		2681
		2682	$channel = $channel->{id};
		2683	}
		2684
		2685	return unless @extra || length $msg;
		2686
		2687	if ($self->can_msg) {
		2688	# default colour, mask it out
		2689	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2690	if $color & cf::NDI_DEF;
		2691
		2692	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2693	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2694	} else {
		2695	if ($color >= 0) {
		2696	# replace some tags by gcfclient-compatible ones
		2697	for ($msg) {
		2698	1 while
		2699	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2700	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2701	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2702	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2703	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2704	}
		2705
		2706	$color &= cf::NDI_COLOR_MASK;
		2707
		2708	utf8::encode $msg;
		2709
		2710	if (0 && $msg =~ /\[/) {
		2711	# COMMAND/INFO
		2712	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2713	} else {
		2714	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2715	$self->send_packet ("drawinfo $color $msg")
		2716	}
		2717	}
		2718	}
		2719	}
		2720
		2721	=item $client->ext_msg ($type, @msg)
		2722
		2723	Sends an ext event to the client.
		2724
		2725	=cut
		2726
		2727	sub cf::client::ext_msg($$@) {
		2728	my ($self, $type, @msg) = @_;
		2729
		2730	if ($self->extcmd == 2) {
		2731	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2732	} elsif ($self->extcmd == 1) { # TODO: remove
		2733	push @msg, msgtype => "event_$type";
		2734	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2735	}
		2736	}
		2737
		2738	=item $client->ext_reply ($msgid, @msg)
		2739
		2740	Sends an ext reply to the client.
		2741
		2742	=cut
		2743
		2744	sub cf::client::ext_reply($$@) {
		2745	my ($self, $id, @msg) = @_;
		2746
		2747	if ($self->extcmd == 2) {
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2749	} elsif ($self->extcmd == 1) {
		2750	#TODO: version 1, remove
		2751	unshift @msg, msgtype => "reply", msgid => $id;
		2752	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2753	}
		2754	}
2019		2755
2020	=item $success = $client->query ($flags, "text", \&cb)	2756	=item $success = $client->query ($flags, "text", \&cb)
2021		2757
2022	Queues a query to the client, calling the given callback with	2758	Queues a query to the client, calling the given callback with
2023	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2759	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2024	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2760	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2025		2761
2026	Queries can fail, so check the return code. Or don't, as queries will become	2762	Queries can fail, so check the return code. Or don't, as queries will
2027	reliable at some point in the future.	2763	become reliable at some point in the future.
2028		2764
2029	=cut	2765	=cut
2030		2766
2031	sub cf::client::query {	2767	sub cf::client::query {
2032	my ($self, $flags, $text, $cb) = @_;	2768	my ($self, $flags, $text, $cb) = @_;
…		…
2040	utf8::encode $text;	2776	utf8::encode $text;
2041	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2777	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2042		2778
2043	$self->send_packet ($self->{query_queue}[0][0])	2779	$self->send_packet ($self->{query_queue}[0][0])
2044	if @{ $self->{query_queue} } == 1;	2780	if @{ $self->{query_queue} } == 1;
		2781
		2782	1
2045	}	2783	}
2046		2784
2047	cf::client->attach (	2785	cf::client->attach (
		2786	on_connect => sub {
		2787	my ($ns) = @_;
		2788
		2789	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2790	},
2048	on_reply => sub {	2791	on_reply => sub {
2049	my ($ns, $msg) = @_;	2792	my ($ns, $msg) = @_;
2050		2793
2051	# this weird shuffling is so that direct followup queries	2794	# this weird shuffling is so that direct followup queries
2052	# get handled first	2795	# get handled first
…		…
2064	} else {	2807	} else {
2065	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2808	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2066	}	2809	}
2067	}	2810	}
2068	},	2811	},
		2812	on_exticmd => sub {
		2813	my ($ns, $buf) = @_;
		2814
		2815	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2816
		2817	if (ref $msg) {
		2818	my ($type, $reply, @payload) =
		2819	"ARRAY" eq ref $msg
		2820	? @$msg
		2821	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2822
		2823	my @reply;
		2824
		2825	if (my $cb = $EXTICMD{$type}) {
		2826	@reply = $cb->($ns, @payload);
		2827	}
		2828
		2829	$ns->ext_reply ($reply, @reply)
		2830	if $reply;
		2831
		2832	} else {
		2833	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2834	}
		2835
		2836	cf::override;
		2837	},
2069	);	2838	);
2070		2839
2071	=item $client->async (\&cb)	2840	=item $client->async (\&cb)
2072		2841
2073	Create a new coroutine, running the specified callback. The coroutine will	2842	Create a new coroutine, running the specified callback. The coroutine will
…		…
2114	our $safe = new Safe "safe";	2883	our $safe = new Safe "safe";
2115	our $safe_hole = new Safe::Hole;	2884	our $safe_hole = new Safe::Hole;
2116		2885
2117	$SIG{FPE} = 'IGNORE';	2886	$SIG{FPE} = 'IGNORE';
2118		2887
2119	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2888	$safe->permit_only (Opcode::opset qw(
		2889	:base_core :base_mem :base_orig :base_math
		2890	grepstart grepwhile mapstart mapwhile
		2891	sort time
		2892	));
2120		2893
2121	# here we export the classes and methods available to script code	2894	# here we export the classes and methods available to script code
2122		2895
2123	=pod	2896	=pod
2124		2897
2125	The following functions and methods are available within a safe environment:	2898	The following functions and methods are available within a safe environment:
2126		2899
2127	cf::object contr pay_amount pay_player map	2900	cf::object
		2901	contr pay_amount pay_player map x y force_find force_add
		2902	insert remove name archname title slaying race decrease_ob_nr
		2903
2128	cf::object::player player	2904	cf::object::player
2129	cf::player peaceful	2905	player
2130	cf::map trigger	2906
		2907	cf::player
		2908	peaceful
		2909
		2910	cf::map
		2911	trigger
2131		2912
2132	=cut	2913	=cut
2133		2914
2134	for (	2915	for (
2135	["cf::object" => qw(contr pay_amount pay_player map)],	2916	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2917	insert remove inv name archname title slaying race
		2918	decrease_ob_nr)],
2136	["cf::object::player" => qw(player)],	2919	["cf::object::player" => qw(player)],
2137	["cf::player" => qw(peaceful)],	2920	["cf::player" => qw(peaceful)],
2138	["cf::map" => qw(trigger)],	2921	["cf::map" => qw(trigger)],
2139	) {	2922	) {
2140	no strict 'refs';	2923	no strict 'refs';
…		…
2211	=back	2994	=back
2212		2995
2213	=cut	2996	=cut
2214		2997
2215	#############################################################################	2998	#############################################################################
2216
2217	=head2 EXTENSION DATABASE SUPPORT
2218
2219	Crossfire maintains a very simple database for extension use. It can
2220	currently store anything that can be serialised using Storable, which
2221	excludes objects.
2222
2223	The parameter C<$family> should best start with the name of the extension
2224	using it, it should be unique.
2225
2226	=over 4
2227
2228	=item $value = cf::db_get $family => $key
2229
2230	Returns a single value from the database.
2231
2232	=item cf::db_put $family => $key => $value
2233
2234	Stores the given C<$value> in the family.
2235
2236	=cut
2237
2238	our $DB;
2239
2240	sub db_init {
2241	unless ($DB) {
2242	$DB = BDB::db_create $DB_ENV;
2243
2244	cf::sync_job {
2245	eval {
2246	$DB->set_flags (BDB::CHKSUM);
2247
2248	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2249	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2250	cf::cleanup "db_open(db): $!" if $!;
2251	};
2252	cf::cleanup "db_open(db): $@" if $@;
2253	};
2254
2255	my $path = cf::localdir . "/database.pst";
2256	if (stat $path) {
2257	cf::sync_job {
2258	my $pst = Storable::retrieve $path;
2259
2260	cf::db_put (board => data => $pst->{board});
2261	cf::db_put (guildrules => data => $pst->{guildrules});
2262	cf::db_put (rent => balance => $pst->{rent}{balance});
2263	BDB::db_env_txn_checkpoint $DB_ENV;
2264
2265	unlink $path;
2266	};
2267	}
2268	}
2269	}
2270
2271	sub db_get($$) {
2272	my $key = "$_[0]/$_[1]";
2273
2274	cf::sync_job {
2275	BDB::db_get $DB, undef, $key, my $data;
2276
2277	$! ? ()
2278	: Compress::LZF::sthaw $data
2279	}
2280	}
2281
2282	sub db_put($$$) {
2283	BDB::dbreq_pri 4;
2284	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2285	}
2286
2287	#############################################################################
2288	# the server's init and main functions	2999	# the server's init and main functions
2289		3000
2290	sub load_facedata {	3001	sub load_facedata($) {
2291	my $path = sprintf "%s/facedata", cf::datadir;	3002	my ($path) = @_;
		3003
		3004	# HACK to clear player env face cache, we need some signal framework
		3005	# for this (global event?)
		3006	%ext::player_env::MUSIC_FACE_CACHE = ();
		3007
		3008	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2292		3009
2293	warn "loading facedata from $path\n";	3010	warn "loading facedata from $path\n";
2294		3011
2295	my $faces;	3012	my $facedata;
2296	0 < aio_load $path, $faces	3013	0 < aio_load $path, $facedata
2297	or die "$path: $!";	3014	or die "$path: $!";
2298		3015
2299	Coro::cede;
2300	$faces = Storable::thaw $faces;	3016	$facedata = Coro::Storable::thaw $facedata;
2301	Coro::cede;
2302		3017
2303	my $meta = delete $faces->{""};
2304	$meta->{version} == 1	3018	$facedata->{version} == 2
2305	or cf::cleanup "$path: version mismatch, cannot proceed.";	3019	or cf::cleanup "$path: version mismatch, cannot proceed.";
2306		3020
		3021	# patch in the exptable
		3022	$facedata->{resource}{"res/exp_table"} = {
		3023	type => FT_RSRC,
		3024	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3025	};
		3026	cf::cede_to_tick;
		3027
		3028	{
		3029	my $faces = $facedata->{faceinfo};
		3030
2307	while (my ($face, $info) = each %$faces) {	3031	while (my ($face, $info) = each %$faces) {
2308	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3032	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2309	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3033	cf::face::set_visibility $idx, $info->{visibility};
		3034	cf::face::set_magicmap $idx, $info->{magicmap};
2310	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3035	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2311	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3036	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2312	Coro::cede;
2313	}
2314		3037
		3038	cf::cede_to_tick;
		3039	}
		3040
2315	while (my ($face, $info) = each %$faces) {	3041	while (my ($face, $info) = each %$faces) {
2316	next unless $info->{smooth};	3042	next unless $info->{smooth};
2317	my $idx = cf::face::find $face	3043	my $idx = cf::face::find $face
2318	or next;	3044	or next;
2319	if (my $smooth = cf::face::find $info->{smooth}) {	3045	if (my $smooth = cf::face::find $info->{smooth}) {
2320	cf::face::set_smooth $idx, $smooth;	3046	cf::face::set_smooth $idx, $smooth;
		3047	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2321	} else {	3048	} else {
2322	warn "smooth face '$info->{smooth}' not found for face '$face'";	3049	warn "smooth face '$info->{smooth}' not found for face '$face'";
2323	}	3050	}
2324	Coro::cede;	3051
		3052	cf::cede_to_tick;
		3053	}
		3054	}
		3055
		3056	{
		3057	my $anims = $facedata->{animinfo};
		3058
		3059	while (my ($anim, $info) = each %$anims) {
		3060	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3061	cf::cede_to_tick;
		3062	}
		3063
		3064	cf::anim::invalidate_all; # d'oh
		3065	}
		3066
		3067	{
		3068	# TODO: for gcfclient pleasure, we should give resources
		3069	# that gcfclient doesn't grok a >10000 face index.
		3070	my $res = $facedata->{resource};
		3071
		3072	my $soundconf = delete $res->{"res/sound.conf"};
		3073
		3074	while (my ($name, $info) = each %$res) {
		3075	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3076	my $data;
		3077
		3078	if ($info->{type} & 1) {
		3079	# prepend meta info
		3080
		3081	my $meta = $enc->encode ({
		3082	name => $name,
		3083	%{ $info->{meta} || {} },
		3084	});
		3085
		3086	$data = pack "(w/a*)*", $meta, $info->{data};
		3087	} else {
		3088	$data = $info->{data};
		3089	}
		3090
		3091	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3092	cf::face::set_type $idx, $info->{type};
		3093
		3094	cf::cede_to_tick;
		3095	}
		3096
		3097	if ($soundconf) {
		3098	$soundconf = $enc->decode (delete $soundconf->{data});
		3099
		3100	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3101	my $sound = $soundconf->{compat}[$_]
		3102	or next;
		3103
		3104	my $face = cf::face::find "sound/$sound->[1]";
		3105	cf::sound::set $sound->[0] => $face;
		3106	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3107	}
		3108
		3109	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3110	my $face = cf::face::find "sound/$v";
		3111	cf::sound::set $k => $face;
		3112	}
		3113	}
2325	}	3114	}
2326		3115
2327	1	3116	1
2328	}	3117	}
2329		3118
		3119	register_exticmd fx_want => sub {
		3120	my ($ns, $want) = @_;
		3121
		3122	while (my ($k, $v) = each %$want) {
		3123	$ns->fx_want ($k, $v);
		3124	}
		3125	};
		3126
		3127	sub reload_regions {
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
		3132	load_resource_file "$MAPDIR/regions"
		3133	or die "unable to load regions file\n";
		3134
		3135	for (cf::region::list) {
		3136	$_->{match} = qr/$_->{match}/
		3137	if exists $_->{match};
		3138	}
		3139	}
		3140
		3141	sub reload_facedata {
		3142	load_facedata "$DATADIR/facedata"
		3143	or die "unable to load facedata\n";
		3144	}
		3145
		3146	sub reload_archetypes {
		3147	load_resource_file "$DATADIR/archetypes"
		3148	or die "unable to load archetypes\n";
		3149	#d# NEED to laod twice to resolve forward references
		3150	# this really needs to be done in an extra post-pass
		3151	# (which needs to be synchronous, so solve it differently)
		3152	load_resource_file "$DATADIR/archetypes"
		3153	or die "unable to load archetypes\n";
		3154	}
		3155
		3156	sub reload_treasures {
		3157	load_resource_file "$DATADIR/treasures"
		3158	or die "unable to load treasurelists\n";
		3159	}
		3160
2330	sub reload_resources {	3161	sub reload_resources {
2331	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3162	warn "reloading resource files...\n";
2332	or die "unable to load regions file\n";#d#	3163
		3164	reload_regions;
2333	load_facedata	3165	reload_facedata;
2334	or die "unable to load facedata\n";#d#	3166	#reload_archetypes;#d#
		3167	reload_archetypes;
		3168	reload_treasures;
		3169
		3170	warn "finished reloading resource files\n";
2335	}	3171	}
2336		3172
2337	sub init {	3173	sub init {
2338	reload_resources;	3174	reload_resources;
2339	}	3175	}
2340		3176
2341	sub cfg_load {	3177	sub reload_config {
2342	open my $fh, "<:utf8", cf::confdir . "/config"	3178	open my $fh, "<:utf8", "$CONFDIR/config"
2343	or return;	3179	or return;
2344		3180
2345	local $/;	3181	local $/;
2346	*CFG = YAML::Syck::Load <$fh>;	3182	*CFG = YAML::Syck::Load <$fh>;
2347		3183
…		…
2362	sub main {	3198	sub main {
2363	# we must not ever block the main coroutine	3199	# we must not ever block the main coroutine
2364	local $Coro::idle = sub {	3200	local $Coro::idle = sub {
2365	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2366	(async {	3202	(async {
		3203	$Coro::current->{desc} = "IDLE BUG HANDLER";
2367	Event::one_event;	3204	Event::one_event;
2368	})->prio (Coro::PRIO_MAX);	3205	})->prio (Coro::PRIO_MAX);
2369	};	3206	};
2370		3207
2371	cfg_load;	3208	reload_config;
2372	db_init;	3209	db_init;
2373	load_extensions;	3210	load_extensions;
2374		3211
2375	$TICK_WATCHER->start;	3212	$TICK_WATCHER->start;
2376	Event::loop;	3213	Event::loop;
…		…
2392	},	3229	},
2393	);	3230	);
2394	}	3231	}
2395	}	3232	}
2396		3233
		3234	sub write_runtime {
		3235	my $runtime = "$LOCALDIR/runtime";
		3236
		3237	# first touch the runtime file to show we are still running:
		3238	# the fsync below can take a very very long time.
		3239
		3240	IO::AIO::aio_utime $runtime, undef, undef;
		3241
		3242	my $guard = cf::lock_acquire "write_runtime";
		3243
		3244	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3245	or return;
		3246
		3247	my $value = $cf::RUNTIME + 90 + 10;
		3248	# 10 is the runtime save interval, for a monotonic clock
		3249	# 60 allows for the watchdog to kill the server.
		3250
		3251	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3252	and return;
		3253
		3254	# always fsync - this file is important
		3255	aio_fsync $fh
		3256	and return;
		3257
		3258	# touch it again to show we are up-to-date
		3259	aio_utime $fh, undef, undef;
		3260
		3261	close $fh
		3262	or return;
		3263
		3264	aio_rename "$runtime~", $runtime
		3265	and return;
		3266
		3267	warn "runtime file written.\n";
		3268
		3269	1
		3270	}
		3271
2397	sub emergency_save() {	3272	sub emergency_save() {
2398	my $freeze_guard = cf::freeze_mainloop;	3273	my $freeze_guard = cf::freeze_mainloop;
2399		3274
2400	warn "enter emergency perl save\n";	3275	warn "enter emergency perl save\n";
2401		3276
…		…
2405	# and maps saved/destroyed asynchronously.	3280	# and maps saved/destroyed asynchronously.
2406	warn "begin emergency player save\n";	3281	warn "begin emergency player save\n";
2407	for my $login (keys %cf::PLAYER) {	3282	for my $login (keys %cf::PLAYER) {
2408	my $pl = $cf::PLAYER{$login} or next;	3283	my $pl = $cf::PLAYER{$login} or next;
2409	$pl->valid or next;	3284	$pl->valid or next;
		3285	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2410	$pl->save;	3286	$pl->save;
2411	}	3287	}
2412	warn "end emergency player save\n";	3288	warn "end emergency player save\n";
2413		3289
2414	warn "begin emergency map save\n";	3290	warn "begin emergency map save\n";
…		…
2432		3308
2433	warn Carp::longmess "post_cleanup backtrace"	3309	warn Carp::longmess "post_cleanup backtrace"
2434	if $make_core;	3310	if $make_core;
2435	}	3311	}
2436		3312
2437	sub reload() {	3313	sub do_reload_perl() {
2438	# can/must only be called in main	3314	# can/must only be called in main
2439	if ($Coro::current != $Coro::main) {	3315	if ($Coro::current != $Coro::main) {
2440	warn "can only reload from main coroutine";	3316	warn "can only reload from main coroutine";
2441	return;	3317	return;
2442	}	3318	}
…		…
2476	%EXT_CORO = ();	3352	%EXT_CORO = ();
2477		3353
2478	warn "removing commands";	3354	warn "removing commands";
2479	%COMMAND = ();	3355	%COMMAND = ();
2480		3356
2481	warn "removing ext commands";	3357	warn "removing ext/exti commands";
2482	%EXTCMD = ();	3358	%EXTCMD = ();
		3359	%EXTICMD = ();
2483		3360
2484	warn "unloading/nuking all extensions";	3361	warn "unloading/nuking all extensions";
2485	for my $pkg (@EXTS) {	3362	for my $pkg (@EXTS) {
2486	warn "... unloading $pkg";	3363	warn "... unloading $pkg";
2487		3364
…		…
2517	Symbol::delete_package "safe::$_"	3394	Symbol::delete_package "safe::$_"
2518	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3395	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2519		3396
2520	warn "unloading cf.pm \"a bit\"";	3397	warn "unloading cf.pm \"a bit\"";
2521	delete $INC{"cf.pm"};	3398	delete $INC{"cf.pm"};
		3399	delete $INC{"cf/pod.pm"};
2522		3400
2523	# don't, removes xs symbols, too,	3401	# don't, removes xs symbols, too,
2524	# and global variables created in xs	3402	# and global variables created in xs
2525	#Symbol::delete_package __PACKAGE__;	3403	#Symbol::delete_package __PACKAGE__;
2526		3404
…		…
2529	warn "reloading cf.pm";	3407	warn "reloading cf.pm";
2530	require cf;	3408	require cf;
2531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3409	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2532		3410
2533	warn "loading config and database again";	3411	warn "loading config and database again";
2534	cf::cfg_load;	3412	cf::reload_config;
2535		3413
2536	warn "loading extensions";	3414	warn "loading extensions";
2537	cf::load_extensions;	3415	cf::load_extensions;
2538		3416
2539	warn "reattaching attachments to objects/players";	3417	warn "reattaching attachments to objects/players";
…		…
2541	warn "reattaching attachments to maps";	3419	warn "reattaching attachments to maps";
2542	reattach $_ for values %MAP;	3420	reattach $_ for values %MAP;
2543	warn "reattaching attachments to players";	3421	warn "reattaching attachments to players";
2544	reattach $_ for values %PLAYER;	3422	reattach $_ for values %PLAYER;
2545		3423
2546	warn "loading reloadable resources";
2547	reload_resources;
2548
2549	warn "leaving sync_job";	3424	warn "leaving sync_job";
2550		3425
2551	1	3426	1
2552	} or do {	3427	} or do {
2553	warn $@;	3428	warn $@;
…		…
2558	warn "reloaded";	3433	warn "reloaded";
2559	};	3434	};
2560		3435
2561	our $RELOAD_WATCHER; # used only during reload	3436	our $RELOAD_WATCHER; # used only during reload
2562		3437
		3438	sub reload_perl() {
		3439	# doing reload synchronously and two reloads happen back-to-back,
		3440	# coro crashes during coro_state_free->destroy here.
		3441
		3442	$RELOAD_WATCHER ||= Event->timer (
		3443	reentrant => 0,
		3444	after => 0,
		3445	data => WF_AUTOCANCEL,
		3446	cb => sub {
		3447	do_reload_perl;
		3448	undef $RELOAD_WATCHER;
		3449	},
		3450	);
		3451	}
		3452
2563	register_command "reload" => sub {	3453	register_command "reload" => sub {
2564	my ($who, $arg) = @_;	3454	my ($who, $arg) = @_;
2565		3455
2566	if ($who->flag (FLAG_WIZ)) {	3456	if ($who->flag (FLAG_WIZ)) {
2567	$who->message ("reloading server.");	3457	$who->message ("reloading server.");
2568		3458	async {
2569	# doing reload synchronously and two reloads happen back-to-back,	3459	$Coro::current->{desc} = "perl_reload";
2570	# coro crashes during coro_state_free->destroy here.
2571
2572	$RELOAD_WATCHER ||= Event->timer (
2573	reentrant => 0,
2574	after => 0,
2575	data => WF_AUTOCANCEL,
2576	cb => sub {
2577	reload;	3460	reload_perl;
2578	undef $RELOAD_WATCHER;
2579	},
2580	);	3461	};
2581	}	3462	}
2582	};	3463	};
2583		3464
2584	unshift @INC, $LIBDIR;	3465	unshift @INC, $LIBDIR;
2585		3466
2586	my $bug_warning = 0;	3467	my $bug_warning = 0;
		3468
		3469	our @WAIT_FOR_TICK;
		3470	our @WAIT_FOR_TICK_BEGIN;
		3471
		3472	sub wait_for_tick {
		3473	return unless $TICK_WATCHER->is_active;
		3474	return if $Coro::current == $Coro::main;
		3475
		3476	my $signal = new Coro::Signal;
		3477	push @WAIT_FOR_TICK, $signal;
		3478	$signal->wait;
		3479	}
		3480
		3481	sub wait_for_tick_begin {
		3482	return unless $TICK_WATCHER->is_active;
		3483	return if $Coro::current == $Coro::main;
		3484
		3485	my $signal = new Coro::Signal;
		3486	push @WAIT_FOR_TICK_BEGIN, $signal;
		3487	$signal->wait;
		3488	}
2587		3489
2588	$TICK_WATCHER = Event->timer (	3490	$TICK_WATCHER = Event->timer (
2589	reentrant => 0,	3491	reentrant => 0,
2590	parked => 1,	3492	parked => 1,
2591	prio => 0,	3493	prio => 0,
…		…
2596	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3498	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2597	unless ++$bug_warning > 10;	3499	unless ++$bug_warning > 10;
2598	return;	3500	return;
2599	}	3501	}
2600		3502
2601	$NOW = Event::time;	3503	$NOW = $tick_start = Event::time;
2602		3504
2603	cf::server_tick; # one server iteration	3505	cf::server_tick; # one server iteration
		3506
2604	$RUNTIME += $TICK;	3507	$RUNTIME += $TICK;
2605	$NEXT_TICK += $TICK;	3508	$NEXT_TICK += $TICK;
2606		3509
2607	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3510	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2608	$NEXT_RUNTIME_WRITE = $NOW + 10;	3511	$NEXT_RUNTIME_WRITE = $NOW + 10;
2609	Coro::async_pool {	3512	Coro::async_pool {
		3513	$Coro::current->{desc} = "runtime saver";
2610	write_runtime	3514	write_runtime
2611	or warn "ERROR: unable to write runtime file: $!";	3515	or warn "ERROR: unable to write runtime file: $!";
2612	};	3516	};
2613	}	3517	}
2614		3518
2615	$WAIT_FOR_TICK->broadcast;	3519	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2616	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3520	$sig->send;
		3521	}
		3522	while (my $sig = shift @WAIT_FOR_TICK) {
		3523	$sig->send;
		3524	}
2617		3525
2618	# my $AFTER = Event::time;	3526	$NOW = Event::time;
2619	# warn $AFTER - $NOW;#d#
2620		3527
2621	# if we are delayed by four ticks or more, skip them all	3528	# if we are delayed by four ticks or more, skip them all
2622	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3529	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2623		3530
2624	$TICK_WATCHER->at ($NEXT_TICK);	3531	$TICK_WATCHER->at ($NEXT_TICK);
2625	$TICK_WATCHER->start;	3532	$TICK_WATCHER->start;
		3533
		3534	$LOAD = ($NOW - $tick_start) / $TICK;
		3535	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3536
		3537	_post_tick;
2626	},	3538	},
2627	);	3539	);
2628		3540
2629	{	3541	{
		3542	BDB::min_parallel 8;
2630	BDB::max_poll_time $TICK * 0.1;	3543	BDB::max_poll_time $TICK * 0.1;
2631	$BDB_POLL_WATCHER = Event->io (	3544	$BDB_POLL_WATCHER = Event->io (
2632	reentrant => 0,	3545	reentrant => 0,
2633	fd => BDB::poll_fileno,	3546	fd => BDB::poll_fileno,
2634	poll => 'r',	3547	poll => 'r',
2635	prio => 0,	3548	prio => 0,
2636	data => WF_AUTOCANCEL,	3549	data => WF_AUTOCANCEL,
2637	cb => \&BDB::poll_cb,	3550	cb => \&BDB::poll_cb,
2638	);	3551	);
2639	BDB::min_parallel 8;
2640		3552
2641	BDB::set_sync_prepare {	3553	BDB::set_sync_prepare {
2642	my $status;	3554	my $status;
2643	my $current = $Coro::current;	3555	my $current = $Coro::current;
2644	(	3556	(
…		…
2653	)	3565	)
2654	};	3566	};
2655		3567
2656	unless ($DB_ENV) {	3568	unless ($DB_ENV) {
2657	$DB_ENV = BDB::db_env_create;	3569	$DB_ENV = BDB::db_env_create;
		3570	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3571	| BDB::LOG_AUTOREMOVE, 1);
		3572	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3573	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2658		3574
2659	cf::sync_job {	3575	cf::sync_job {
2660	eval {	3576	eval {
2661	BDB::db_env_open	3577	BDB::db_env_open
2662	$DB_ENV,	3578	$DB_ENV,
2663	$BDB_ENV_DIR,	3579	$BDBDIR,
2664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3580	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3581	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2666	0666;	3582	0666;
2667		3583
2668	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3584	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2669
2670	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2671	$DB_ENV->set_lk_detect;
2672	};	3585	};
2673		3586
2674	cf::cleanup "db_env_open(db): $@" if $@;	3587	cf::cleanup "db_env_open(db): $@" if $@;
2675	};	3588	};
2676	}	3589	}
		3590
		3591	$BDB_DEADLOCK_WATCHER = Event->timer (
		3592	after => 3,
		3593	interval => 1,
		3594	hard => 1,
		3595	prio => 0,
		3596	data => WF_AUTOCANCEL,
		3597	cb => sub {
		3598	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3599	},
		3600	);
		3601	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3602	after => 11,
		3603	interval => 60,
		3604	hard => 1,
		3605	prio => 0,
		3606	data => WF_AUTOCANCEL,
		3607	cb => sub {
		3608	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3609	},
		3610	);
		3611	$BDB_TRICKLE_WATCHER = Event->timer (
		3612	after => 5,
		3613	interval => 10,
		3614	hard => 1,
		3615	prio => 0,
		3616	data => WF_AUTOCANCEL,
		3617	cb => sub {
		3618	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3619	},
		3620	);
2677	}	3621	}
2678		3622
2679	{	3623	{
2680	IO::AIO::min_parallel 8;	3624	IO::AIO::min_parallel 8;
2681		3625
…		…
2684	$AIO_POLL_WATCHER = Event->io (	3628	$AIO_POLL_WATCHER = Event->io (
2685	reentrant => 0,	3629	reentrant => 0,
2686	data => WF_AUTOCANCEL,	3630	data => WF_AUTOCANCEL,
2687	fd => IO::AIO::poll_fileno,	3631	fd => IO::AIO::poll_fileno,
2688	poll => 'r',	3632	poll => 'r',
2689	prio => 6,	3633	prio => 0,
2690	cb => \&IO::AIO::poll_cb,	3634	cb => \&IO::AIO::poll_cb,
2691	);	3635	);
2692	}	3636	}
2693		3637
		3638	my $_log_backtrace;
		3639
		3640	sub _log_backtrace {
		3641	my ($msg, @addr) = @_;
		3642
		3643	$msg =~ s/\n//;
		3644
		3645	# limit the # of concurrent backtraces
		3646	if ($_log_backtrace < 2) {
		3647	++$_log_backtrace;
		3648	async {
		3649	$Coro::current->{desc} = "abt $msg";
		3650
		3651	my @bt = fork_call {
		3652	@addr = map { sprintf "%x", $_ } @addr;
		3653	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3654	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3655	or die "addr2line: $!";
		3656
		3657	my @funcs;
		3658	my @res = <$fh>;
		3659	chomp for @res;
		3660	while (@res) {
		3661	my ($func, $line) = splice @res, 0, 2, ();
		3662	push @funcs, "[$func] $line";
		3663	}
		3664
		3665	@funcs
		3666	};
		3667
		3668	LOG llevInfo, "[ABT] $msg\n";
		3669	LOG llevInfo, "[ABT] $_\n" for @bt;
		3670	--$_log_backtrace;
		3671	};
		3672	} else {
		3673	LOG llevInfo, "[ABT] $msg\n";
		3674	LOG llevInfo, "[ABT] [suppressed]\n";
		3675	}
		3676	}
		3677
		3678	# load additional modules
		3679	use cf::pod;
		3680
2694	END { cf::emergency_save }	3681	END { cf::emergency_save }
2695		3682
2696	1	3683	1
2697		3684

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