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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.214 by root, Wed Feb 14 00:40:05 2007 UTC vs.
Revision 1.399 by root, Sun Dec 16 02:50:33 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use EV;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::EV;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS 2.01 ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	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
30
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		42
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
37		45
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
40	our %COMMAND = ();	50	our %COMMAND = ();
41	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
42		52
43	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
47		58
		59	our $RELOAD; # number of reloads so far
48	our @EVENT;	60	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		61
51	our $TICK = MAX_TIME * 1e-6;	62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
		73
		74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	75	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	78	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	79	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		80
59	our $BDB_POLL_WATCHER;	81	our $BDB_POLL_WATCHER;
		82	our $BDB_DEADLOCK_WATCHER;
		83	our $BDB_CHECKPOINT_WATCHER;
		84	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	85	our $DB_ENV;
61		86
62	our %CFG;	87	our %CFG;
63		88
64	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	90	our $RUNTIME;
		91	our $NOW;
66		92
67	our %PLAYER; # all users	93	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	94	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	95	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		96
76	# used to convert map paths into valid unix filenames by replacing / by ∕	97	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	98	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		99
		100	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		101	our $LOADAVG; # same thing, but with alpha-smoothing
		102	our $tick_start; # for load detecting purposes
		103
79	binmode STDOUT;	104	binmode STDOUT;
80	binmode STDERR;	105	binmode STDERR;
81		106
82	# read virtual server time, if available	107	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	108	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	109	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	110	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	111	$RUNTIME = <$fh> + 0.;
87	}	112	}
88		113
89	mkdir cf::localdir;	114	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	115	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		116
96	our $EMERGENCY_POSITION;	117	our $EMERGENCY_POSITION;
97		118
98	sub cf::map::normalise;	119	sub cf::map::normalise;
99		120
…		…
110	=item $cf::RUNTIME	131	=item $cf::RUNTIME
111		132
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	133	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	134	every server tick.
114		135
115	=item $cf::LIBDIR	136	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		137	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		138	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		139
117	The perl library directory, where extensions and cf-specific modules can	140	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	141	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		142	unique-items directory, player file directory, random maps directory and
		143	database environment.
119		144
120	=item $cf::NOW	145	=item $cf::NOW
121		146
122	The time of the last (current) server tick.	147	The time of the last (current) server tick.
123		148
124	=item $cf::TICK	149	=item $cf::TICK
125		150
126	The interval between server ticks, in seconds.	151	The interval between server ticks, in seconds.
127		152
		153	=item $cf::LOADAVG
		154
		155	The current CPU load on the server (alpha-smoothed), as a value between 0
		156	(none) and 1 (overloaded), indicating how much time is spent on processing
		157	objects per tick. Healthy values are < 0.5.
		158
		159	=item $cf::LOAD
		160
		161	The raw value load value from the last tick.
		162
128	=item %cf::CFG	163	=item %cf::CFG
129		164
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	165	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	166	from wherever your confdir points to.
132		167
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	168	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		169
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	170	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	171	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	172	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	173
		174	=item @cf::INVOKE_RESULTS
		175
		176	This array contains the results of the last C<invoke ()> call. When
		177	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		178	that call.
139		179
140	=back	180	=back
141		181
142	=cut	182	=cut
143		183
144	BEGIN {	184	BEGIN {
145	*CORE::GLOBAL::warn = sub {	185	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	186	my $msg = join "", @_;
147	utf8::encode $msg;
148		187
149	$msg .= "\n"	188	$msg .= "\n"
150	unless $msg =~ /\n$/;	189	unless $msg =~ /\n$/;
		190
		191	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151		192
152	LOG llevError, $msg;	193	LOG llevError, $msg;
153	};	194	};
154	}	195	}
155		196
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		204
163	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	206	# within the Safe compartment.
165	for my $pkg (qw(	207	for my $pkg (qw(
166	cf::global cf::attachable	208	cf::global cf::attachable
…		…
171	)) {	213	)) {
172	no strict 'refs';	214	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	216	}
175		217
176	$Event::DIED = sub {	218	$EV::DIED = sub {
177	warn "error in event callback: @_";	219	warn "error in event callback: @_";
178	};	220	};
		221
		222	#############################################################################
179		223
180	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
181		225
182	=over 4	226	=over 4
183		227
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	247	$d
204	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
205	}	249	}
206		250
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	251	=item $ref = cf::decode_json $json
210		252
211	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
212		254
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	255	=item $json = cf::encode_json $ref
221		256
222	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
223		258
224	=cut	259	=cut
225		260
226	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
228	JSON::Syck::Dump $_[0]	263	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	264	sub decode_json($) { $json_coder->decode ($_[0]) }
230		265
231	=item cf::lock_wait $string	266	=item cf::lock_wait $string
232		267
233	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
234		269
…		…
237	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
240	returned.	275	returned.
241		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
242	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
244		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
245	=cut	287	=cut
246		288
247	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
248		291
249	sub lock_wait($) {	292	sub lock_wait($) {
250	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
251		299
252	# wait for lock, if any	300	# wait for lock, if any
253	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	303	Coro::schedule;
…		…
261		309
262	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
263	lock_wait $key;	311	lock_wait $key;
264		312
265	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
266		315
267	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
270	}	320	}
		321	}
		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
271	}	327	}
272		328
273	sub freeze_mainloop {	329	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
275		331
…		…
278	};	334	};
279	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
280	$guard	336	$guard
281	}	337	}
282		338
		339	=item cf::periodic $interval, $cb
		340
		341	Like EV::periodic, but randomly selects a starting point so that the actions
		342	get spread over timer.
		343
		344	=cut
		345
		346	sub periodic($$) {
		347	my ($interval, $cb) = @_;
		348
		349	my $start = rand List::Util::min 180, $interval;
		350
		351	EV::periodic $start, $interval, 0, $cb
		352	}
		353
		354	=item cf::get_slot $time[, $priority[, $name]]
		355
		356	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		357	This call blocks and returns only when you have at least C<$time> seconds
		358	of cpu time till the next tick. The slot is only valid till the next cede.
		359
		360	The optional C<$name> can be used to identify the job to run. It might be
		361	used for statistical purposes and should identify the same time-class.
		362
		363	Useful for short background jobs.
		364
		365	=cut
		366
		367	our @SLOT_QUEUE;
		368	our $SLOT_QUEUE;
		369
		370	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		371	$SLOT_QUEUE = Coro::async {
		372	$Coro::current->desc ("timeslot manager");
		373
		374	my $signal = new Coro::Signal;
		375
		376	while () {
		377	next_job:
		378	my $avail = cf::till_tick;
		379	if ($avail > 0.01) {
		380	for (0 .. $#SLOT_QUEUE) {
		381	if ($SLOT_QUEUE[$_][0] < $avail) {
		382	my $job = splice @SLOT_QUEUE, $_, 1, ();
		383	$job->[2]->send;
		384	Coro::cede;
		385	goto next_job;
		386	}
		387	}
		388	}
		389
		390	if (@SLOT_QUEUE) {
		391	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		392	push @cf::WAIT_FOR_TICK, $signal;
		393	$signal->wait;
		394	} else {
		395	Coro::schedule;
		396	}
		397	}
		398	};
		399
		400	sub get_slot($;$$) {
		401	my ($time, $pri, $name) = @_;
		402
		403	$time = $TICK * .6 if $time > $TICK * .6;
		404	my $sig = new Coro::Signal;
		405
		406	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		407	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		408	$SLOT_QUEUE->ready;
		409	$sig->wait;
		410	}
		411
283	=item cf::async { BLOCK }	412	=item cf::async { BLOCK }
284		413
285	Currently the same as Coro::async_pool, meaning you cannot use	414	Currently the same as Coro::async_pool, meaning you cannot use
286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	415	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287	thing you are allowed to do is call C<prio> on it.	416	thing you are allowed to do is call C<prio> on it.
…		…
290		419
291	BEGIN { *async = \&Coro::async_pool }	420	BEGIN { *async = \&Coro::async_pool }
292		421
293	=item cf::sync_job { BLOCK }	422	=item cf::sync_job { BLOCK }
294		423
295	The design of crossfire+ requires that the main coro ($Coro::main) is	424	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	425	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	426	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		427	acceptable.
298		428
299	If it must be done, put the blocking parts into C<sync_job>. This will run	429	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	430	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	431	server will be frozen during this time, so the block should either finish
302	fast or be very important.	432	fast or be very important.
…		…
305		435
306	sub sync_job(&) {	436	sub sync_job(&) {
307	my ($job) = @_;	437	my ($job) = @_;
308		438
309	if ($Coro::current == $Coro::main) {	439	if ($Coro::current == $Coro::main) {
		440	my $time = EV::time;
		441
310	# this is the main coro, too bad, we have to block	442	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	443	# till the operation succeeds, freezing the server :/
312		444
		445	LOG llevError, Carp::longmess "sync job";#d#
		446
313	# TODO: use suspend/resume instead	447	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	448	# (but this is cancel-safe)
315	my $freeze_guard = freeze_mainloop;	449	my $freeze_guard = freeze_mainloop;
316		450
317	my $busy = 1;	451	my $busy = 1;
318	my @res;	452	my @res;
319		453
320	(async {	454	(async {
		455	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	456	@res = eval { $job->() };
322	warn $@ if $@;	457	warn $@ if $@;
323	undef $busy;	458	undef $busy;
324	})->prio (Coro::PRIO_MAX);	459	})->prio (Coro::PRIO_MAX);
325		460
326	while ($busy) {	461	while ($busy) {
327	Coro::cede or Event::one_event;	462	if (Coro::nready) {
		463	Coro::cede_notself;
		464	} else {
		465	EV::loop EV::LOOP_ONESHOT;
328	}	466	}
		467	}
		468
		469	$time = EV::time - $time;
		470
		471	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		472	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		473
		474	$tick_start += $time; # do not account sync jobs to server load
329		475
330	wantarray ? @res : $res[0]	476	wantarray ? @res : $res[0]
331	} else {	477	} else {
332	# we are in another coroutine, how wonderful, everything just works	478	# we are in another coroutine, how wonderful, everything just works
333		479
…		…
353	$EXT_CORO{$coro+0} = $coro;	499	$EXT_CORO{$coro+0} = $coro;
354		500
355	$coro	501	$coro
356	}	502	}
357		503
358	sub write_runtime {	504	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		505
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	506	Executes the given code block with the given arguments in a seperate
362	or return;	507	process, returning the results. Everything must be serialisable with
		508	Coro::Storable. May, of course, block. Note that the executed sub may
		509	never block itself or use any form of event handling.
363		510
364	my $value = $cf::RUNTIME + 90 + 10;	511	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		512
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	513	sub fork_call(&@) {
369	and return;	514	my ($cb, @args) = @_;
370		515
371	# always fsync - this file is important	516	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	517	# otherwise perl prematurely frees the stuff :/
373	and return;	518	# TODO: investigate and fix (likely this will be rather laborious)
374		519
375	close $fh	520	my @res = Coro::Util::fork_eval {
376	or return;	521	reset_signals;
		522	&$cb
		523	}, @args;
377		524
378	aio_rename "$runtime~", $runtime	525	wantarray ? @res : $res[-1]
379	and return;	526	}
380		527
		528	=item $value = cf::db_get $family => $key
		529
		530	Returns a single value from the environment database.
		531
		532	=item cf::db_put $family => $key => $value
		533
		534	Stores the given C<$value> in the family. It can currently store binary
		535	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		536
		537	=item $db = cf::db_table "name"
		538
		539	Create and/or open a new database table. The string must not be "db" and must be unique
		540	within each server.
		541
		542	=cut
		543
		544	sub db_table($) {
		545	my ($name) = @_;
		546	my $db = BDB::db_create $DB_ENV;
		547
		548	eval {
		549	$db->set_flags (BDB::CHKSUM);
		550
		551	utf8::encode $name;
		552	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		553	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		554	cf::cleanup "db_open(db): $!" if $!;
		555	};
		556	cf::cleanup "db_open(db): $@" if $@;
		557
		558	$db
		559	}
		560
		561	our $DB;
		562
		563	sub db_init {
		564	cf::sync_job {
		565	$DB ||= db_table "db";
		566	};
		567	}
		568
		569	sub db_get($$) {
		570	my $key = "$_[0]/$_[1]";
		571
		572	cf::sync_job {
		573	BDB::db_get $DB, undef, $key, my $data;
		574
		575	$! ? ()
		576	: $data
381	1	577	}
		578	}
		579
		580	sub db_put($$$) {
		581	BDB::dbreq_pri 4;
		582	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		583	}
		584
		585	=item cf::cache $id => [$paths...], $processversion => $process
		586
		587	Generic caching function that returns the value of the resource $id,
		588	caching and regenerating as required.
		589
		590	This function can block.
		591
		592	=cut
		593
		594	sub cache {
		595	my ($id, $src, $processversion, $process) = @_;
		596
		597	my $meta =
		598	join "\x00",
		599	$processversion,
		600	map {
		601	aio_stat $_
		602	and Carp::croak "$_: $!";
		603
		604	($_, (stat _)[7,9])
		605	} @$src;
		606
		607	my $dbmeta = db_get cache => "$id/meta";
		608	if ($dbmeta ne $meta) {
		609	# changed, we may need to process
		610
		611	my @data;
		612	my $md5;
		613
		614	for (0 .. $#$src) {
		615	0 <= aio_load $src->[$_], $data[$_]
		616	or Carp::croak "$src->[$_]: $!";
		617	}
		618
		619	# if processing is expensive, check
		620	# checksum first
		621	if (1) {
		622	$md5 =
		623	join "\x00",
		624	$processversion,
		625	map {
		626	cf::cede_to_tick;
		627	($src->[$_], Digest::MD5::md5_hex $data[$_])
		628	} 0.. $#$src;
		629
		630
		631	my $dbmd5 = db_get cache => "$id/md5";
		632	if ($dbmd5 eq $md5) {
		633	db_put cache => "$id/meta", $meta;
		634
		635	return db_get cache => "$id/data";
		636	}
		637	}
		638
		639	my $t1 = Time::HiRes::time;
		640	my $data = $process->(\@data);
		641	my $t2 = Time::HiRes::time;
		642
		643	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		644
		645	db_put cache => "$id/data", $data;
		646	db_put cache => "$id/md5" , $md5;
		647	db_put cache => "$id/meta", $meta;
		648
		649	return $data;
		650	}
		651
		652	db_get cache => "$id/data"
		653	}
		654
		655	=item cf::datalog type => key => value, ...
		656
		657	Log a datalog packet of the given type with the given key-value pairs.
		658
		659	=cut
		660
		661	sub datalog($@) {
		662	my ($type, %kv) = @_;
		663	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	664	}
383		665
384	=back	666	=back
385		667
386	=cut	668	=cut
…		…
393	attach callbacks/event handlers (a collection of which is called an "attachment")	675	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	676	to it. All such attachable objects support the following methods.
395		677
396	In the following description, CLASS can be any of C<global>, C<object>	678	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	679	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	680	Deliantra).
399		681
400	=over 4	682	=over 4
401		683
402	=item $attachable->attach ($attachment, key => $value...)	684	=item $attachable->attach ($attachment, key => $value...)
403		685
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	848	$registry = $CB_TYPE[$object_type] ||= [];
567		849
568	} elsif ($type eq "subtype") {	850	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	851	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	852	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	853	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		854
573	} elsif ($type eq "package") {	855	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	856	my $pkg = shift @arg;
575		857
576	while (my ($name, $id) = each %cb_id) {	858	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	887	_attach $registry, $klass, @attach;
606	}	888	}
607		889
608	$obj->{$name} = \%arg;	890	$obj->{$name} = \%arg;
609	} else {	891	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	892	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	893	}
612		894
613	$obj->{_attachment}{$name} = undef;	895	$obj->{_attachment}{$name} = undef;
614	}	896	}
615		897
…		…
617	if (ref $_[0]) {	899	if (ref $_[0]) {
618	_object_attach @_;	900	_object_attach @_;
619	} else {	901	} else {
620	_attach shift->_attach_registry, @_;	902	_attach shift->_attach_registry, @_;
621	}	903	}
		904	_recalc_want;
622	};	905	};
623		906
624	# all those should be optimised	907	# all those should be optimised
625	sub cf::attachable::detach {	908	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	909	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	912	delete $obj->{_attachment}{$name};
630	reattach ($obj);	913	reattach ($obj);
631	} else {	914	} else {
632	Carp::croak "cannot, currently, detach class attachments";	915	Carp::croak "cannot, currently, detach class attachments";
633	}	916	}
		917	_recalc_want;
634	};	918	};
635		919
636	sub cf::attachable::attached {	920	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	921	my ($obj, $name) = @_;
638		922
…		…
653	";	937	";
654	die if $@;	938	die if $@;
655	}	939	}
656		940
657	our $override;	941	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	942	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		943
660	sub override {	944	sub override {
661	$override = 1;	945	$override = 1;
662	@invoke_results = ();	946	@INVOKE_RESULTS = (@_);
663	}	947	}
664		948
665	sub do_invoke {	949	sub do_invoke {
666	my $event = shift;	950	my $event = shift;
667	my $callbacks = shift;	951	my $callbacks = shift;
668		952
669	@invoke_results = ();	953	@INVOKE_RESULTS = ();
670		954
671	local $override;	955	local $override;
672		956
673	for (@$callbacks) {	957	for (@$callbacks) {
674	eval { &{$_->[1]} };	958	eval { &{$_->[1]} };
…		…
691		975
692	Generate an object-specific event with the given arguments.	976	Generate an object-specific event with the given arguments.
693		977
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	978	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	979	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	980	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		981
698	=back	982	=back
699		983
700	=cut	984	=cut
701		985
702	#############################################################################	986	#############################################################################
703	# object support	987	# object support
		988
		989	sub _object_equal($$);
		990	sub _object_equal($$) {
		991	my ($a, $b) = @_;
		992
		993	return 0 unless (ref $a) eq (ref $b);
		994
		995	if ("HASH" eq ref $a) {
		996	my @ka = keys %$a;
		997	my @kb = keys %$b;
		998
		999	return 0 if @ka != @kb;
		1000
		1001	for (0 .. $#ka) {
		1002	return 0 unless $ka[$_] eq $kb[$_];
		1003	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1004	}
		1005
		1006	} elsif ("ARRAY" eq ref $a) {
		1007
		1008	return 0 if @$a != @$b;
		1009
		1010	for (0 .. $#$a) {
		1011	return 0 unless _object_equal $a->[$_], $b->[$_];
		1012	}
		1013
		1014	} elsif ($a ne $b) {
		1015	return 0;
		1016	}
		1017
		1018	1
		1019	}
		1020
		1021	our $SLOW_MERGES;#d#
		1022	sub _can_merge {
		1023	my ($ob1, $ob2) = @_;
		1024
		1025	++$SLOW_MERGES;#d#
		1026
		1027	# we do the slow way here
		1028	return _object_equal $ob1, $ob2
		1029	}
704		1030
705	sub reattach {	1031	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1032	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1033	my ($obj) = @_;
708		1034
…		…
729	cf::attachable->attach (	1055	cf::attachable->attach (
730	prio => -1000000,	1056	prio => -1000000,
731	on_instantiate => sub {	1057	on_instantiate => sub {
732	my ($obj, $data) = @_;	1058	my ($obj, $data) = @_;
733		1059
734	$data = from_json $data;	1060	$data = decode_json $data;
735		1061
736	for (@$data) {	1062	for (@$data) {
737	my ($name, $args) = @$_;	1063	my ($name, $args) = @$_;
738		1064
739	$obj->attach ($name, %{$args || {} });	1065	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1081	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1082	my ($filename, $rdata, $objs) = @_;
757		1083
758	sync_job {	1084	sync_job {
759	if (length $$rdata) {	1085	if (length $$rdata) {
		1086	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1087	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1088	$decname, length $$rdata, scalar @$objs;
762		1089
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1091	chmod SAVE_MODE, $fh;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1093	aio_fsync $fh if $cf::USE_FSYNC;
767	close $fh;	1094	close $fh;
768		1095
769	if (@$objs) {	1096	if (@$objs) {
770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1100	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1101	aio_fsync $fh if $cf::USE_FSYNC;
775	close $fh;	1102	close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1103	aio_rename "$filename.pst~", "$filename.pst";
777	}	1104	}
…		…
785	}	1112	}
786	} else {	1113	} else {
787	aio_unlink $filename;	1114	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1115	aio_unlink "$filename.pst";
789	}	1116	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1117	};
797	}	1118	}
798		1119
799	sub object_freezer_as_string {	1120	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1121	my ($rdata, $objs) = @_;
801		1122
…		…
806		1127
807	sub object_thawer_load {	1128	sub object_thawer_load {
808	my ($filename) = @_;	1129	my ($filename) = @_;
809		1130
810	my ($data, $av);	1131	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1132
815	(aio_load $filename, $data) >= 0	1133	(aio_load $filename, $data) >= 0
816	or return;	1134	or return;
817		1135
818	unless (aio_stat "$filename.pst") {	1136	unless (aio_stat "$filename.pst") {
819	(aio_load "$filename.pst", $av) >= 0	1137	(aio_load "$filename.pst", $av) >= 0
820	or return;	1138	or return;
		1139
821	$av = eval { (Storable::thaw $av)->{objs} };	1140	my $st = eval { Coro::Storable::thaw $av };
		1141	$av = $st->{objs};
822	}	1142	}
823		1143
		1144	utf8::decode (my $decname = $filename);
824	warn sprintf "loading %s (%d)\n",	1145	warn sprintf "loading %s (%d,%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1146	$decname, length $data, scalar @{$av || []};
		1147
826	return ($data, $av);	1148	($data, $av)
827	}	1149	}
		1150
		1151	=head2 COMMAND CALLBACKS
		1152
		1153	=over 4
		1154
		1155	=cut
828		1156
829	#############################################################################	1157	#############################################################################
830	# command handling &c	1158	# command handling &c
831		1159
832	=item cf::register_command $name => \&callback($ob,$args);	1160	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1173	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1174	}
847		1175
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1176	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1177
850	Register a callbackf ro execution when the client sends an extcmd packet.	1178	Register a callback for execution when the client sends an (synchronous)
		1179	extcmd packet. Ext commands will be processed in the order they are
		1180	received by the server, like other user commands. The first argument is
		1181	the logged-in player. Ext commands can only be processed after a player
		1182	has logged in successfully.
851		1183
852	If the callback returns something, it is sent back as if reply was being	1184	If the callback returns something, it is sent back as if reply was being
853	called.	1185	called.
854		1186
		1187	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1188
		1189	Register a callback for execution when the client sends an (asynchronous)
		1190	exticmd packet. Exti commands are processed by the server as soon as they
		1191	are received, i.e. out of order w.r.t. other commands. The first argument
		1192	is a client socket. Exti commands can be received anytime, even before
		1193	log-in.
		1194
		1195	If the callback returns something, it is sent back as if reply was being
		1196	called.
		1197
855	=cut	1198	=cut
856		1199
857	sub register_extcmd {	1200	sub register_extcmd {
858	my ($name, $cb) = @_;	1201	my ($name, $cb) = @_;
859		1202
860	$EXTCMD{$name} = $cb;	1203	$EXTCMD{$name} = $cb;
		1204	}
		1205
		1206	sub register_exticmd {
		1207	my ($name, $cb) = @_;
		1208
		1209	$EXTICMD{$name} = $cb;
861	}	1210	}
862		1211
863	cf::player->attach (	1212	cf::player->attach (
864	on_command => sub {	1213	on_command => sub {
865	my ($pl, $name, $params) = @_;	1214	my ($pl, $name, $params) = @_;
…		…
874	cf::override;	1223	cf::override;
875	},	1224	},
876	on_extcmd => sub {	1225	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1226	my ($pl, $buf) = @_;
878		1227
879	my $msg = eval { from_json $buf };	1228	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1229
881	if (ref $msg) {	1230	if (ref $msg) {
		1231	my ($type, $reply, @payload) =
		1232	"ARRAY" eq ref $msg
		1233	? @$msg
		1234	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1235
		1236	my @reply;
		1237
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1238	if (my $cb = $EXTCMD{$type}) {
883	if (my %reply = $cb->($pl, $msg)) {	1239	@reply = $cb->($pl, @payload);
884	$pl->ext_reply ($msg->{msgid}, %reply);
885	}
886	}	1240	}
		1241
		1242	$pl->ext_reply ($reply, @reply)
		1243	if $reply;
		1244
887	} else {	1245	} else {
888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889	}	1247	}
890		1248
891	cf::override;	1249	cf::override;
892	},	1250	},
893	);	1251	);
894		1252
895	sub load_extension {
896	my ($path) = @_;
897
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
899	my $base = $1;
900	my $pkg = $1;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}
923	die $@;
924	}
925
926	push @EXTS, $pkg;
927	}
928
929	sub load_extensions {	1253	sub load_extensions {
		1254	cf::sync_job {
		1255	my %todo;
		1256
930	for my $ext (<$LIBDIR/*.ext>) {	1257	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1258	next unless -r $path;
932	eval {	1259
933	load_extension $ext;	1260	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1261	my $base = $1;
		1262	my $pkg = $1;
		1263	$pkg =~ s/[^[:word:]]/_/g;
		1264	$pkg = "ext::$pkg";
		1265
		1266	open my $fh, "<:utf8", $path
		1267	or die "$path: $!";
		1268
		1269	my $source = do { local $/; <$fh> };
		1270
		1271	my %ext = (
		1272	path => $path,
		1273	base => $base,
		1274	pkg => $pkg,
		1275	);
		1276
		1277	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1278	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1279
		1280	$ext{source} =
		1281	"package $pkg; use strict; use utf8;\n"
		1282	. "#line 1 \"$path\"\n{\n"
		1283	. $source
		1284	. "\n};\n1";
		1285
		1286	$todo{$base} = \%ext;
		1287	}
		1288
		1289	my %done;
		1290	while (%todo) {
		1291	my $progress;
		1292
		1293	while (my ($k, $v) = each %todo) {
		1294	for (split /,\s*/, $v->{meta}{depends}) {
		1295	goto skip
		1296	unless exists $done{$_};
		1297	}
		1298
		1299	warn "... loading '$k' into '$v->{pkg}'\n";
		1300
		1301	unless (eval $v->{source}) {
		1302	my $msg = $@ ? "$v->{path}: $@\n"
		1303	: "$v->{base}: extension inactive.\n";
		1304
		1305	if (exists $v->{meta}{mandatory}) {
		1306	warn $msg;
		1307	warn "mandatory extension failed to load, exiting.\n";
		1308	exit 1;
		1309	}
		1310
		1311	warn $msg;
		1312	}
		1313
		1314	$done{$k} = delete $todo{$k};
		1315	push @EXTS, $v->{pkg};
		1316	$progress = 1;
934	1	1317	}
935	} or warn "$ext not loaded: $@";	1318
		1319	skip:
		1320	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1321	unless $progress;
		1322	}
936	}	1323	};
937	}	1324	}
938		1325
939	#############################################################################	1326	#############################################################################
940		1327
		1328	=back
		1329
941	=head2 CORE EXTENSIONS	1330	=head2 CORE EXTENSIONS
942		1331
943	Functions and methods that extend core crossfire objects.	1332	Functions and methods that extend core crossfire objects.
944		1333
945	=cut	1334	=cut
…		…
950		1339
951	=head3 cf::player	1340	=head3 cf::player
952		1341
953	=over 4	1342	=over 4
954		1343
		1344	=item cf::player::num_playing
		1345
		1346	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1347
		1348	=cut
		1349
		1350	sub num_playing {
		1351	scalar grep
		1352	$_->ob->map
		1353	&& !$_->hidden
		1354	&& !$_->ob->flag (cf::FLAG_WIZ),
		1355	cf::player::list
		1356	}
		1357
955	=item cf::player::find $login	1358	=item cf::player::find $login
956		1359
957	Returns the given player object, loading it if necessary (might block).	1360	Returns the given player object, loading it if necessary (might block).
958		1361
959	=cut	1362	=cut
960		1363
961	sub playerdir($) {	1364	sub playerdir($) {
962	cf::localdir	1365	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1366	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1367	}
968		1368
969	sub path($) {	1369	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1370	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1371
972	(playerdir $login) . "/$login.pl"	1372	(playerdir $login) . "/playerdata"
973	}	1373	}
974		1374
975	sub find_active($) {	1375	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1376	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1377	and $cf::PLAYER{$_[0]}->active
…		…
990	my $login = $_[0];	1390	my $login = $_[0];
991		1391
992	my $guard = cf::lock_acquire "user_find:$login";	1392	my $guard = cf::lock_acquire "user_find:$login";
993		1393
994	$cf::PLAYER{$_[0]} || do {	1394	$cf::PLAYER{$_[0]} || do {
995	my $pl = load_pl path $login	1395	# rename old playerfiles to new ones
		1396	#TODO: remove when no longer required
		1397	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1398	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1399	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1400	aio_unlink +(playerdir $login) . "/$login.pl";
		1401
		1402	my $f = new_from_file cf::object::thawer path $login
996	or return;	1403	or return;
		1404
		1405	my $pl = cf::player::load_pl $f
		1406	or return;
		1407	local $cf::PLAYER_LOADING{$login} = $pl;
		1408	$f->resolve_delayed_derefs;
997	$cf::PLAYER{$login} = $pl	1409	$cf::PLAYER{$login} = $pl
998	}	1410	}
999	}	1411	}
1000	}	1412	}
1001		1413
…		…
1011		1423
1012	aio_mkdir playerdir $pl, 0770;	1424	aio_mkdir playerdir $pl, 0770;
1013	$pl->{last_save} = $cf::RUNTIME;	1425	$pl->{last_save} = $cf::RUNTIME;
1014		1426
1015	$pl->save_pl ($path);	1427	$pl->save_pl ($path);
1016	Coro::cede;	1428	cf::cede_to_tick;
1017	}	1429	}
1018		1430
1019	sub new($) {	1431	sub new($) {
1020	my ($login) = @_;	1432	my ($login) = @_;
1021		1433
…		…
1027	$cf::PLAYER{$login} = $self;	1439	$cf::PLAYER{$login} = $self;
1028		1440
1029	$self	1441	$self
1030	}	1442	}
1031		1443
		1444	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1445
		1446	=cut
		1447
		1448	sub send_msg {
		1449	my $ns = shift->ns
		1450	or return;
		1451	$ns->send_msg (@_);
		1452	}
		1453
1032	=item $pl->quit_character	1454	=item $pl->quit_character
1033		1455
1034	Nukes the player without looking back. If logged in, the connection will	1456	Nukes the player without looking back. If logged in, the connection will
1035	be destroyed. May block for a long time.	1457	be destroyed. May block for a long time.
1036		1458
1037	=cut	1459	=cut
1038		1460
1039	sub quit_character {	1461	sub quit_character {
1040	my ($pl) = @_;	1462	my ($pl) = @_;
		1463
		1464	my $name = $pl->ob->name;
1041		1465
1042	$pl->{deny_save} = 1;	1466	$pl->{deny_save} = 1;
1043	$pl->password ("*"); # this should lock out the player until we nuked the dir	1467	$pl->password ("*"); # this should lock out the player until we nuked the dir
1044		1468
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1469	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1050	my $path = playerdir $pl;	1474	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1475	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1476	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1477	delete $cf::PLAYER{$pl->ob->name};
1054	$pl->destroy;	1478	$pl->destroy;
		1479
		1480	my $prefix = qr<^~\Q$name\E/>;
		1481
		1482	# nuke player maps
		1483	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1484
1055	IO::AIO::aio_rmtree $temp;	1485	IO::AIO::aio_rmtree $temp;
		1486	}
		1487
		1488	=item $pl->kick
		1489
		1490	Kicks a player out of the game. This destroys the connection.
		1491
		1492	=cut
		1493
		1494	sub kick {
		1495	my ($pl, $kicker) = @_;
		1496
		1497	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1498	$pl->killer ("kicked");
		1499	$pl->ns->destroy;
1056	}	1500	}
1057		1501
1058	=item cf::player::list_logins	1502	=item cf::player::list_logins
1059		1503
1060	Returns am arrayref of all valid playernames in the system, can take a	1504	Returns am arrayref of all valid playernames in the system, can take a
1061	while and may block, so not sync_job-capable, ever.	1505	while and may block, so not sync_job-capable, ever.
1062		1506
1063	=cut	1507	=cut
1064		1508
1065	sub list_logins {	1509	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1510	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1511	or return [];
1068		1512
1069	my @logins;	1513	my @logins;
1070		1514
1071	for my $login (@$dirs) {	1515	for my $login (@$dirs) {
		1516	my $path = path $login;
		1517
		1518	# a .pst is a dead give-away for a valid player
		1519	unless (-e "$path.pst") {
1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073	aio_read $fh, 0, 512, my $buf, 0 or next;	1521	aio_read $fh, 0, 512, my $buf, 0 or next;
1074	$buf !~ /^password -------------$/m or next; # official not-valid tag	1522	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1523	}
1075		1524
1076	utf8::decode $login;	1525	utf8::decode $login;
1077	push @logins, $login;	1526	push @logins, $login;
1078	}	1527	}
1079		1528
…		…
1106	}	1555	}
1107		1556
1108	\@paths	1557	\@paths
1109	}	1558	}
1110		1559
		1560	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1561
		1562	Expand crossfire pod fragments into protocol xml.
		1563
		1564	=cut
		1565
		1566	use re 'eval';
		1567
		1568	my $group;
		1569	my $interior; $interior = qr{
		1570	# match a pod interior sequence sans C<< >>
		1571	(?:
		1572	\ (.*?)\ (?{ $group = $^N })
		1573	| < (??{$interior}) >
		1574	)
		1575	}x;
		1576
		1577	sub expand_cfpod {
		1578	my ($self, $pod) = @_;
		1579
		1580	my $xml;
		1581
		1582	while () {
		1583	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1584	$group = $1;
		1585
		1586	$group =~ s/&/&amp;/g;
		1587	$group =~ s/</&lt;/g;
		1588
		1589	$xml .= $group;
		1590	} elsif ($pod =~ m%\G
		1591	([BCGHITU])
		1592	<
		1593	(?:
		1594	([^<>]*) (?{ $group = $^N })
		1595	| < $interior >
		1596	)
		1597	>
		1598	%gcsx
		1599	) {
		1600	my ($code, $data) = ($1, $group);
		1601
		1602	if ($code eq "B") {
		1603	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1604	} elsif ($code eq "I") {
		1605	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1606	} elsif ($code eq "U") {
		1607	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1608	} elsif ($code eq "C") {
		1609	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1610	} elsif ($code eq "T") {
		1611	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1612	} elsif ($code eq "G") {
		1613	my ($male, $female) = split /\|/, $data;
		1614	$data = $self->gender ? $female : $male;
		1615	$xml .= expand_cfpod ($self, $data);
		1616	} elsif ($code eq "H") {
		1617	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1618	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1619	"")
		1620	[$self->{hintmode}];
		1621	} else {
		1622	$xml .= "error processing '$code($data)' directive";
		1623	}
		1624	} else {
		1625	if ($pod =~ /\G(.+)/) {
		1626	warn "parse error while expanding $pod (at $1)";
		1627	}
		1628	last;
		1629	}
		1630	}
		1631
		1632	for ($xml) {
		1633	# create single paragraphs (very hackish)
		1634	s/(?<=\S)\n(?=\w)/ /g;
		1635
		1636	# compress some whitespace
		1637	s/\s+\n/\n/g; # ws line-ends
		1638	s/\n\n+/\n/g; # double lines
		1639	s/^\n+//; # beginning lines
		1640	s/\n+$//; # ending lines
		1641	}
		1642
		1643	$xml
		1644	}
		1645
		1646	no re 'eval';
		1647
		1648	sub hintmode {
		1649	$_[0]{hintmode} = $_[1] if @_ > 1;
		1650	$_[0]{hintmode}
		1651	}
		1652
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1653	=item $player->ext_reply ($msgid, @msg)
1112		1654
1113	Sends an ext reply to the player.	1655	Sends an ext reply to the player.
1114		1656
1115	=cut	1657	=cut
1116		1658
1117	sub ext_reply($$$%) {	1659	sub ext_reply($$@) {
1118	my ($self, $id, %msg) = @_;	1660	my ($self, $id, @msg) = @_;
1119		1661
1120	$msg{msgid} = $id;	1662	$self->ns->ext_reply ($id, @msg)
1121
1122	$self->send ("ext " . cf::to_json \%msg);
1123	}	1663	}
1124		1664
1125	package cf;	1665	=item $player->ext_msg ($type, @msg)
		1666
		1667	Sends an ext event to the client.
		1668
		1669	=cut
		1670
		1671	sub ext_msg($$@) {
		1672	my ($self, $type, @msg) = @_;
		1673
		1674	$self->ns->ext_msg ($type, @msg);
		1675	}
		1676
		1677	=head3 cf::region
		1678
		1679	=over 4
		1680
		1681	=cut
		1682
		1683	package cf::region;
		1684
		1685	=item cf::region::find_by_path $path
		1686
		1687	Tries to decuce the likely region for a map knowing only its path.
		1688
		1689	=cut
		1690
		1691	sub find_by_path($) {
		1692	my ($path) = @_;
		1693
		1694	my ($match, $specificity);
		1695
		1696	for my $region (list) {
		1697	if ($region->{match} && $path =~ $region->{match}) {
		1698	($match, $specificity) = ($region, $region->specificity)
		1699	if $region->specificity > $specificity;
		1700	}
		1701	}
		1702
		1703	$match
		1704	}
1126		1705
1127	=back	1706	=back
1128
1129		1707
1130	=head3 cf::map	1708	=head3 cf::map
1131		1709
1132	=over 4	1710	=over 4
1133		1711
…		…
1188	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1189		1767
1190	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1191	local $self->{path};	1769	local $self->{path};
1192	local $self->{load_path};	1770	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		1771
1196	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1197	}	1773	}
1198		1774
1199	sub normalise {	1775	sub normalise {
…		…
1246	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1247	return $self;	1823	return $self;
1248	}	1824	}
1249	}	1825	}
1250		1826
1251	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1252	()	1828	()
1253	}	1829	}
1254		1830
1255	sub init {	1831	sub init {
1256	my ($self) = @_;	1832	my ($self) = @_;
…		…
1271		1847
1272	# the original (read-only) location	1848	# the original (read-only) location
1273	sub load_path {	1849	sub load_path {
1274	my ($self) = @_;	1850	my ($self) = @_;
1275		1851
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1852	"$MAPDIR/$self->{path}.map"
1277	}	1853	}
1278		1854
1279	# the temporary/swap location	1855	# the temporary/swap location
1280	sub save_path {	1856	sub save_path {
1281	my ($self) = @_;	1857	my ($self) = @_;
1282		1858
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1860	"$TMPDIR/$path.map"
1285	}	1861	}
1286		1862
1287	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1288	sub uniq_path {	1864	sub uniq_path {
1289	my ($self) = @_;	1865	my ($self) = @_;
1290		1866
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1868	"$UNIQUEDIR/$path"
1293	}	1869	}
1294		1870
1295	# and all this just because we cannot iterate over	1871	# and all this just because we cannot iterate over
1296	# all maps in C++...	1872	# all maps in C++...
1297	sub change_all_map_light {	1873	sub change_all_map_light {
…		…
1299		1875
1300	$_->change_map_light ($change)	1876	$_->change_map_light ($change)
1301	for grep $_->outdoor, values %cf::MAP;	1877	for grep $_->outdoor, values %cf::MAP;
1302	}	1878	}
1303		1879
		1880	sub decay_objects {
		1881	my ($self) = @_;
		1882
		1883	return if $self->{deny_reset};
		1884
		1885	$self->do_decay_objects;
		1886	}
		1887
1304	sub unlink_save {	1888	sub unlink_save {
1305	my ($self) = @_;	1889	my ($self) = @_;
1306		1890
1307	utf8::encode (my $save = $self->save_path);	1891	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1892	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	1894	}
1316		1895
1317	sub load_header_from($) {	1896	sub load_header_from($) {
1318	my ($self, $path) = @_;	1897	my ($self, $path) = @_;
1319		1898
1320	utf8::encode $path;	1899	utf8::encode $path;
1321	#aio_open $path, O_RDONLY, 0	1900	my $f = new_from_file cf::object::thawer $path
1322	# or return;
1323
1324	$self->_load_header ($path)
1325	or return;	1901	or return;
		1902
		1903	$self->_load_header ($f)
		1904	or return;
		1905
		1906	local $MAP_LOADING{$self->{path}} = $self;
		1907	$f->resolve_delayed_derefs;
1326		1908
1327	$self->{load_path} = $path;	1909	$self->{load_path} = $path;
1328		1910
1329	1	1911	1
1330	}	1912	}
…		…
1369	$self->load_header_orig	1951	$self->load_header_orig
1370	or return;	1952	or return;
1371	$self->prepare_orig;	1953	$self->prepare_orig;
1372	}	1954	}
1373		1955
		1956	$self->{deny_reset} = 1
		1957	if $self->no_reset;
		1958
		1959	$self->default_region (cf::region::find_by_path $self->{path})
		1960	unless $self->default_region;
		1961
1374	1	1962	1
1375	}	1963	}
1376		1964
1377	sub find;	1965	sub find;
1378	sub find {	1966	sub find {
1379	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1380		1968
1381	$path = normalise $path, $origin && $origin->path;	1969	$path = normalise $path, $origin && $origin->path;
1382		1970
		1971	cf::lock_wait "map_data:$path";#d#remove
1383	cf::lock_wait "map_find:$path";	1972	cf::lock_wait "map_find:$path";
1384		1973
1385	$cf::MAP{$path} || do {	1974	$cf::MAP{$path} || do {
1386	my $guard = cf::lock_acquire "map_find:$path";	1975	my $guard1 = cf::lock_acquire "map_find:$path";
		1976	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1977
1387	my $map = new_from_path cf::map $path	1978	my $map = new_from_path cf::map $path
1388	or return;	1979	or return;
1389		1980
1390	$map->{last_save} = $cf::RUNTIME;	1981	$map->{last_save} = $cf::RUNTIME;
1391		1982
1392	$map->load_header	1983	$map->load_header
1393	or return;	1984	or return;
1394		1985
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	1987	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	1988	#$cf::WAIT_FOR_TICK->wait;
		1989	undef $guard1;
		1990	undef $guard2;
1398	$map->reset;	1991	$map->reset;
1399	undef $guard;
1400	return find $path;	1992	return find $path;
1401	}	1993	}
1402		1994
1403	$cf::MAP{$path} = $map	1995	$cf::MAP{$path} = $map
1404	}	1996	}
…		…
1411	my ($self) = @_;	2003	my ($self) = @_;
1412		2004
1413	local $self->{deny_reset} = 1; # loading can take a long time	2005	local $self->{deny_reset} = 1; # loading can take a long time
1414		2006
1415	my $path = $self->{path};	2007	my $path = $self->{path};
		2008
		2009	{
1416	my $guard = cf::lock_acquire "map_load:$path";	2010	my $guard = cf::lock_acquire "map_data:$path";
1417		2011
		2012	return unless $self->valid;
1418	return if $self->in_memory != cf::MAP_SWAPPED;	2013	return unless $self->in_memory == cf::MAP_SWAPPED;
1419		2014
1420	$self->in_memory (cf::MAP_LOADING);	2015	$self->in_memory (cf::MAP_LOADING);
1421		2016
1422	$self->alloc;	2017	$self->alloc;
1423		2018
1424	$self->pre_load;	2019	$self->pre_load;
		2020	cf::cede_to_tick;
1425		2021
1426	$self->_load_objects ($self->{load_path}, 1)	2022	my $f = new_from_file cf::object::thawer $self->{load_path};
		2023	$f->skip_block;
		2024	$self->_load_objects ($f)
1427	or return;	2025	or return;
1428		2026
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1430	if delete $self->{load_original};	2028	if delete $self->{load_original};
1431		2029
1432	if (my $uniq = $self->uniq_path) {	2030	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;	2031	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {	2032	unless (aio_stat $uniq) {
		2033	if (my $f = new_from_file cf::object::thawer $uniq) {
1435	$self->clear_unique_items;	2034	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);	2035	$self->_load_objects ($f);
		2036	$f->resolve_delayed_derefs;
		2037	}
1437	}	2038	}
1438	}	2039	}
1439		2040
1440	Coro::cede;	2041	$f->resolve_delayed_derefs;
1441		2042
		2043	cf::cede_to_tick;
1442	# now do the right thing for maps	2044	# now do the right thing for maps
1443	$self->link_multipart_objects;	2045	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;
1450	$self->set_darkness_map;
1451	$self->difficulty ($self->estimate_difficulty)	2046	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	2047	unless $self->difficulty;
1453	Coro::cede;	2048	cf::cede_to_tick;
		2049
		2050	unless ($self->{deny_activate}) {
		2051	$self->decay_objects;
		2052	$self->fix_auto_apply;
		2053	$self->update_buttons;
		2054	cf::cede_to_tick;
		2055	$self->set_darkness_map;
		2056	cf::cede_to_tick;
1454	$self->activate;	2057	$self->activate;
		2058	}
		2059
		2060	$self->{last_save} = $cf::RUNTIME;
		2061	$self->last_access ($cf::RUNTIME);
		2062
		2063	$self->in_memory (cf::MAP_IN_MEMORY);
1455	}	2064	}
1456		2065
1457	$self->post_load;	2066	$self->post_load;
1458
1459	$self->in_memory (cf::MAP_IN_MEMORY);
1460	}	2067	}
1461		2068
1462	sub customise_for {	2069	sub customise_for {
1463	my ($self, $ob) = @_;	2070	my ($self, $ob) = @_;
1464		2071
1465	return find "~" . $ob->name . "/" . $self->{path}	2072	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	2073	if $self->per_player;
1467		2074
		2075	# return find "?party/" . $ob->name . "/" . $self->{path}
		2076	# if $self->per_party;
		2077
1468	$self	2078	$self
1469	}	2079	}
1470		2080
1471	# find and load all maps in the 3x3 area around a map	2081	# find and load all maps in the 3x3 area around a map
1472	sub load_diag {	2082	sub load_neighbours {
1473	my ($map) = @_;	2083	my ($map) = @_;
1474		2084
1475	my @diag; # diagonal neighbours	2085	my @neigh; # diagonal neighbours
1476		2086
1477	for (0 .. 3) {	2087	for (0 .. 3) {
1478	my $neigh = $map->tile_path ($_)	2088	my $neigh = $map->tile_path ($_)
1479	or next;	2089	or next;
1480	$neigh = find $neigh, $map	2090	$neigh = find $neigh, $map
1481	or next;	2091	or next;
1482	$neigh->load;	2092	$neigh->load;
1483		2093
		2094	push @neigh,
1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1486	}	2097	}
1487		2098
1488	for (@diag) {	2099	for (grep defined $_->[0], @neigh) {
		2100	my ($path, $origin) = @$_;
1489	my $neigh = find @$_	2101	my $neigh = find $path, $origin
1490	or next;	2102	or next;
1491	$neigh->load;	2103	$neigh->load;
1492	}	2104	}
1493	}	2105	}
1494		2106
…		…
1499	}	2111	}
1500		2112
1501	sub do_load_sync {	2113	sub do_load_sync {
1502	my ($map) = @_;	2114	my ($map) = @_;
1503		2115
		2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2117	if $Coro::current == $Coro::main;
		2118
1504	cf::sync_job { $map->load };	2119	cf::sync_job { $map->load };
1505	}	2120	}
1506		2121
1507	our %MAP_PREFETCH;	2122	our %MAP_PREFETCH;
1508	our $MAP_PREFETCHER = undef;	2123	our $MAP_PREFETCHER = undef;
1509		2124
1510	sub find_async {	2125	sub find_async {
1511	my ($path, $origin) = @_;	2126	my ($path, $origin, $load) = @_;
1512		2127
1513	$path = normalise $path, $origin && $origin->{path};	2128	$path = normalise $path, $origin && $origin->{path};
1514		2129
1515	if (my $map = $cf::MAP{$path}) {	2130	if (my $map = $cf::MAP{$path}) {
1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1517	}	2132	}
1518		2133
1519	undef $MAP_PREFETCH{$path};	2134	$MAP_PREFETCH{$path} |= $load;
		2135
1520	$MAP_PREFETCHER ||= cf::async {	2136	$MAP_PREFETCHER ||= cf::async {
		2137	$Coro::current->{desc} = "map prefetcher";
		2138
1521	while (%MAP_PREFETCH) {	2139	while (%MAP_PREFETCH) {
1522	for my $path (keys %MAP_PREFETCH) {	2140	while (my ($k, $v) = each %MAP_PREFETCH) {
1523	my $map = find $path	2141	if (my $map = find $k) {
1524	or next;
1525	$map->load;	2142	$map->load if $v;
		2143	}
1526		2144
1527	delete $MAP_PREFETCH{$path};	2145	delete $MAP_PREFETCH{$k};
1528	}	2146	}
1529	}	2147	}
1530	undef $MAP_PREFETCHER;	2148	undef $MAP_PREFETCHER;
1531	};	2149	};
1532	$MAP_PREFETCHER->prio (6);	2150	$MAP_PREFETCHER->prio (6);
…		…
1535	}	2153	}
1536		2154
1537	sub save {	2155	sub save {
1538	my ($self) = @_;	2156	my ($self) = @_;
1539		2157
1540	my $lock = cf::lock_acquire "map_data:" . $self->path;	2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
1541		2159
1542	$self->{last_save} = $cf::RUNTIME;	2160	$self->{last_save} = $cf::RUNTIME;
1543		2161
1544	return unless $self->dirty;	2162	return unless $self->dirty;
1545		2163
…		…
1551	return if $self->{deny_save};	2169	return if $self->{deny_save};
1552		2170
1553	local $self->{last_access} = $self->last_access;#d#	2171	local $self->{last_access} = $self->last_access;#d#
1554		2172
1555	cf::async {	2173	cf::async {
		2174	$Coro::current->{desc} = "map player save";
1556	$_->contr->save for $self->players;	2175	$_->contr->save for $self->players;
1557	};	2176	};
1558		2177
1559	if ($uniq) {	2178	if ($uniq) {
1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1568	my ($self) = @_;	2187	my ($self) = @_;
1569		2188
1570	# save first because save cedes	2189	# save first because save cedes
1571	$self->save;	2190	$self->save;
1572		2191
1573	my $lock = cf::lock_acquire "map_data:" . $self->path;	2192	my $lock = cf::lock_acquire "map_data:$self->{path}";
1574		2193
1575	return if $self->players;	2194	return if $self->players;
1576	return if $self->in_memory != cf::MAP_IN_MEMORY;	2195	return if $self->in_memory != cf::MAP_IN_MEMORY;
1577	return if $self->{deny_save};	2196	return if $self->{deny_save};
1578		2197
		2198	$self->in_memory (cf::MAP_SWAPPED);
		2199
		2200	$self->deactivate;
		2201	$_->clear_links_to ($self) for values %cf::MAP;
1579	$self->clear;	2202	$self->clear;
1580	$self->in_memory (cf::MAP_SWAPPED);
1581	}	2203	}
1582		2204
1583	sub reset_at {	2205	sub reset_at {
1584	my ($self) = @_;	2206	my ($self) = @_;
1585		2207
1586	# TODO: safety, remove and allow resettable per-player maps	2208	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	2209	return 1e99 if $self->{deny_reset};
1589		2210
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2211	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2212	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592		2213
…		…
1603	my ($self) = @_;	2224	my ($self) = @_;
1604		2225
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2227
1607	return if $self->players;	2228	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		2229
1610	warn "resetting map ", $self->path;#d#	2230	warn "resetting map ", $self->path;
1611		2231
1612	$self->in_memory (cf::MAP_SWAPPED);	2232	$self->in_memory (cf::MAP_SWAPPED);
1613		2233
1614	# need to save uniques path	2234	# need to save uniques path
1615	unless ($self->{deny_save}) {	2235	unless ($self->{deny_save}) {
…		…
1619	if $uniq;	2239	if $uniq;
1620	}	2240	}
1621		2241
1622	delete $cf::MAP{$self->path};	2242	delete $cf::MAP{$self->path};
1623		2243
		2244	$self->deactivate;
		2245	$_->clear_links_to ($self) for values %cf::MAP;
1624	$self->clear;	2246	$self->clear;
1625
1626	$_->clear_links_to ($self) for values %cf::MAP;
1627		2247
1628	$self->unlink_save;	2248	$self->unlink_save;
1629	$self->destroy;	2249	$self->destroy;
1630	}	2250	}
1631		2251
1632	my $nuke_counter = "aaaa";	2252	my $nuke_counter = "aaaa";
1633		2253
1634	sub nuke {	2254	sub nuke {
1635	my ($self) = @_;	2255	my ($self) = @_;
1636		2256
		2257	{
		2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2259
1637	delete $cf::MAP{$self->path};	2260	delete $cf::MAP{$self->path};
1638		2261
1639	$self->unlink_save;	2262	$self->unlink_save;
1640		2263
1641	bless $self, "cf::map";	2264	bless $self, "cf::map";
1642	delete $self->{deny_reset};	2265	delete $self->{deny_reset};
1643	$self->{deny_save} = 1;	2266	$self->{deny_save} = 1;
1644	$self->reset_timeout (1);	2267	$self->reset_timeout (1);
1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646		2269
1647	$cf::MAP{$self->path} = $self;	2270	$cf::MAP{$self->path} = $self;
		2271	}
1648		2272
1649	$self->reset; # polite request, might not happen	2273	$self->reset; # polite request, might not happen
		2274	}
		2275
		2276	=item $maps = cf::map::tmp_maps
		2277
		2278	Returns an arrayref with all map paths of currently instantiated and saved
		2279	maps. May block.
		2280
		2281	=cut
		2282
		2283	sub tmp_maps() {
		2284	[
		2285	map {
		2286	utf8::decode $_;
		2287	/\.map$/
		2288	? normalise $_
		2289	: ()
		2290	} @{ aio_readdir $TMPDIR or [] }
		2291	]
		2292	}
		2293
		2294	=item $maps = cf::map::random_maps
		2295
		2296	Returns an arrayref with all map paths of currently instantiated and saved
		2297	random maps. May block.
		2298
		2299	=cut
		2300
		2301	sub random_maps() {
		2302	[
		2303	map {
		2304	utf8::decode $_;
		2305	/\.map$/
		2306	? normalise "?random/$_"
		2307	: ()
		2308	} @{ aio_readdir $RANDOMDIR or [] }
		2309	]
1650	}	2310	}
1651		2311
1652	=item cf::map::unique_maps	2312	=item cf::map::unique_maps
1653		2313
1654	Returns an arrayref of paths of all shared maps that have	2314	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2315	instantiated unique items. May block.
1656		2316
1657	=cut	2317	=cut
1658		2318
1659	sub unique_maps() {	2319	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2320	[
1661	or return;	2321	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2322	utf8::decode $_;
1667	next if /\.pst$/;	2323	/\.map$/
1668	next unless /^$PATH_SEP/o;	2324	? normalise $_
1669		2325	: ()
1670	push @paths, cf::map::normalise $_;	2326	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2327	]
1672
1673	\@paths
1674	}	2328	}
1675		2329
1676	package cf;	2330	package cf;
1677		2331
1678	=back	2332	=back
…		…
1696	map { $_, inv_recursive_ $_->inv } @_	2350	map { $_, inv_recursive_ $_->inv } @_
1697	}	2351	}
1698		2352
1699	sub inv_recursive {	2353	sub inv_recursive {
1700	inv_recursive_ inv $_[0]	2354	inv_recursive_ inv $_[0]
		2355	}
		2356
		2357	=item $ref = $ob->ref
		2358
		2359	creates and returns a persistent reference to an objetc that can be stored as a string.
		2360
		2361	=item $ob = cf::object::deref ($refstring)
		2362
		2363	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2364	even if the object actually exists. May block.
		2365
		2366	=cut
		2367
		2368	sub deref {
		2369	my ($ref) = @_;
		2370
		2371	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2372	my ($uuid, $name) = ($1, $2);
		2373	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2374	or return;
		2375	$pl->ob->uuid eq $uuid
		2376	or return;
		2377
		2378	$pl->ob
		2379	} else {
		2380	warn "$ref: cannot resolve object reference\n";
		2381	undef
		2382	}
1701	}	2383	}
1702		2384
1703	package cf;	2385	package cf;
1704		2386
1705	=back	2387	=back
…		…
1724		2406
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2408
1727	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1729	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1730	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2421	$self->message ($msg, $flags);
		2422	}
1732	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1733	}	2434	}
1734		2435
1735	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1736		2437
1737	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1784	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1785		2486
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2488
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1790		2491
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1792	}	2493	}
1793		2494
1794	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1796		2499
1797	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1798		2501
1799	unless ($map) {	2502	unless ($map) {
1800	# restore original map position	2503	# restore original map position
…		…
1814	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1815	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1816	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1817		2520
1818	$map->load;	2521	$map->load;
1819	$map->load_diag;	2522	$map->load_neighbours;
1820		2523
1821	return unless $self->contr->active;	2524	return unless $self->contr->active;
1822	$self->activate_recursive;	2525	$self->activate_recursive;
		2526
		2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1823	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1824	}	2529	}
1825		2530
1826	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1827	on_logout => sub {
1828	my ($pl) = @_;
1829		2532
1830	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1831	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1832	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1833	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1834	};	2537	be called at the end of this process.
1835	}
1836	},
1837	on_login => sub {
1838	my ($pl) = @_;
1839		2538
1840	# try to abort aborted map switching on player login :)
1841	# should happen only on crashes
1842	if ($pl->ob->{_link_pos}) {
1843	$pl->ob->enter_link;
1844	(async {
1845	# we need this sleep as the login has a concurrent enter_exit running
1846	# and this sleep increases chances of the player not ending up in scorn
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	Coro::Timer::sleep 1;
1852	$pl->ob->leave_link;
1853	})->prio (2);
1854	}
1855	},
1856	);
1857
1858	=item $player_object->goto ($path, $x, $y)
1859
1860	=cut	2539	=cut
		2540
		2541	our $GOTOGEN;
1861		2542
1862	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
1863	my ($self, $path, $x, $y) = @_;	2544	my ($self, $path, $x, $y, $check, $done) = @_;
		2545
		2546	# do generation counting so two concurrent goto's will be executed in-order
		2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1864		2548
1865	$self->enter_link;	2549	$self->enter_link;
1866		2550
1867	(async {	2551	(async {
		2552	$Coro::current->{desc} = "player::goto $path $x $y";
		2553
		2554	# *tag paths override both path and x|y
		2555	if ($path =~ /^\*(.*)$/) {
		2556	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2557	my $ob = $obs[rand @obs];
		2558
		2559	# see if we actually can go there
		2560	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2561	$ob = $obs[rand @obs];
		2562	} else {
		2563	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2564	}
		2565	# else put us there anyways for now #d#
		2566
		2567	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2568	} else {
		2569	($path, $x, $y) = (undef, undef, undef);
		2570	}
		2571	}
		2572
1868	my $map = eval {	2573	my $map = eval {
1869	my $map = cf::map::find $path;	2574	my $map = defined $path ? cf::map::find $path : undef;
		2575
		2576	if ($map) {
1870	$map = $map->customise_for ($self) if $map;	2577	$map = $map->customise_for ($self);
		2578	$map = $check->($map) if $check && $map;
		2579	} else {
		2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2581	}
		2582
1871	$map	2583	$map
		2584	};
		2585
		2586	if ($@) {
		2587	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	LOG llevError | logBacktrace, Carp::longmess $@;
1872	} or	2589	}
1873	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1874		2590
		2591	if ($gen == $self->{_goto_generation}) {
		2592	delete $self->{_goto_generation};
1875	$self->leave_link ($map, $x, $y);	2593	$self->leave_link ($map, $x, $y);
		2594	}
		2595
		2596	$done->() if $done;
1876	})->prio (1);	2597	})->prio (1);
1877	}	2598	}
1878		2599
1879	=item $player_object->enter_exit ($exit_object)	2600	=item $player_object->enter_exit ($exit_object)
1880		2601
…		…
1917	$rmp->{origin_y} = $exit->y;	2638	$rmp->{origin_y} = $exit->y;
1918	}	2639	}
1919		2640
1920	$rmp->{random_seed} ||= $exit->random_seed;	2641	$rmp->{random_seed} ||= $exit->random_seed;
1921		2642
1922	my $data = cf::to_json $rmp;	2643	my $data = cf::encode_json $rmp;
1923	my $md5 = Digest::MD5::md5_hex $data;	2644	my $md5 = Digest::MD5::md5_hex $data;
1924	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2645	my $meta = "$RANDOMDIR/$md5.meta";
1925		2646
1926	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1927	aio_write $fh, 0, (length $data), $data, 0;	2648	aio_write $fh, 0, (length $data), $data, 0;
1928	undef $fh;	2649	undef $fh;
1929	aio_rename "$meta~", $meta;	2650	aio_rename "$meta~", $meta;
…		…
1938		2659
1939	return unless $self->type == cf::PLAYER;	2660	return unless $self->type == cf::PLAYER;
1940		2661
1941	if ($exit->slaying eq "/!") {	2662	if ($exit->slaying eq "/!") {
1942	#TODO: this should de-fi-ni-te-ly not be a sync-job	2663	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2664	# the problem is that $exit might not survive long enough
		2665	# so it needs to be done right now, right here
1943	cf::sync_job { prepare_random_map $exit };	2666	cf::sync_job { prepare_random_map $exit };
1944	}	2667	}
1945		2668
1946	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2669	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1947	my $hp = $exit->stats->hp;	2670	my $hp = $exit->stats->hp;
1948	my $sp = $exit->stats->sp;	2671	my $sp = $exit->stats->sp;
1949		2672
1950	$self->enter_link;	2673	$self->enter_link;
1951		2674
		2675	# if exit is damned, update players death & WoR home-position
		2676	$self->contr->savebed ($slaying, $hp, $sp)
		2677	if $exit->flag (FLAG_DAMNED);
		2678
1952	(async {	2679	(async {
		2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2681
1953	$self->deactivate_recursive; # just to be sure	2682	$self->deactivate_recursive; # just to be sure
1954	unless (eval {	2683	unless (eval {
1955	$self->goto ($slaying, $hp, $sp);	2684	$self->goto ($slaying, $hp, $sp);
1956		2685
1957	1;	2686	1;
1958	}) {	2687	}) {
1959	$self->message ("Something went wrong deep within the crossfire server. "	2688	$self->message ("Something went wrong deep within the crossfire server. "
1960	. "I'll try to bring you back to the map you were before. "	2689	. "I'll try to bring you back to the map you were before. "
1961	. "Please report this to the dungeon master!",	2690	. "Please report this to the dungeon master!",
1962	cf::NDI_UNIQUE | cf::NDI_RED);	2691	cf::NDI_UNIQUE | cf::NDI_RED);
1963		2692
1964	warn "ERROR in enter_exit: $@";	2693	warn "ERROR in enter_exit: $@";
1965	$self->leave_link;	2694	$self->leave_link;
1966	}	2695	}
1967	})->prio (1);	2696	})->prio (1);
…		…
1980		2709
1981	sub cf::client::send_drawinfo {	2710	sub cf::client::send_drawinfo {
1982	my ($self, $text, $flags) = @_;	2711	my ($self, $text, $flags) = @_;
1983		2712
1984	utf8::encode $text;	2713	utf8::encode $text;
1985	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2714	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1986	}	2715	}
1987		2716
		2717	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2718
		2719	Send a drawinfo or msg packet to the client, formatting the msg for the
		2720	client if neccessary. C<$type> should be a string identifying the type of
		2721	the message, with C<log> being the default. If C<$color> is negative, suppress
		2722	the message unless the client supports the msg packet.
		2723
		2724	=cut
		2725
		2726	# non-persistent channels (usually the info channel)
		2727	our %CHANNEL = (
		2728	"c/identify" => {
		2729	id => "infobox",
		2730	title => "Identify",
		2731	reply => undef,
		2732	tooltip => "Items recently identified",
		2733	},
		2734	"c/examine" => {
		2735	id => "infobox",
		2736	title => "Examine",
		2737	reply => undef,
		2738	tooltip => "Signs and other items you examined",
		2739	},
		2740	"c/book" => {
		2741	id => "infobox",
		2742	title => "Book",
		2743	reply => undef,
		2744	tooltip => "The contents of a note or book",
		2745	},
		2746	"c/lookat" => {
		2747	id => "infobox",
		2748	title => "Look",
		2749	reply => undef,
		2750	tooltip => "What you saw there",
		2751	},
		2752	"c/who" => {
		2753	id => "infobox",
		2754	title => "Players",
		2755	reply => undef,
		2756	tooltip => "Shows players who are currently online",
		2757	},
		2758	"c/body" => {
		2759	id => "infobox",
		2760	title => "Body Parts",
		2761	reply => undef,
		2762	tooltip => "Shows which body parts you posess and are available",
		2763	},
		2764	"c/uptime" => {
		2765	id => "infobox",
		2766	title => "Uptime",
		2767	reply => undef,
		2768	tooltip => "How long the server has been running since last restart",
		2769	},
		2770	"c/mapinfo" => {
		2771	id => "infobox",
		2772	title => "Map Info",
		2773	reply => undef,
		2774	tooltip => "Information related to the maps",
		2775	},
		2776	);
		2777
		2778	sub cf::client::send_msg {
		2779	my ($self, $channel, $msg, $color, @extra) = @_;
		2780
		2781	$msg = $self->pl->expand_cfpod ($msg);
		2782
		2783	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2784
		2785	# check predefined channels, for the benefit of C
		2786	if ($CHANNEL{$channel}) {
		2787	$channel = $CHANNEL{$channel};
		2788
		2789	$self->ext_msg (channel_info => $channel)
		2790	if $self->can_msg;
		2791
		2792	$channel = $channel->{id};
		2793
		2794	} elsif (ref $channel) {
		2795	# send meta info to client, if not yet sent
		2796	unless (exists $self->{channel}{$channel->{id}}) {
		2797	$self->{channel}{$channel->{id}} = $channel;
		2798	$self->ext_msg (channel_info => $channel)
		2799	if $self->can_msg;
		2800	}
		2801
		2802	$channel = $channel->{id};
		2803	}
		2804
		2805	return unless @extra || length $msg;
		2806
		2807	if ($self->can_msg) {
		2808	# default colour, mask it out
		2809	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2810	if $color & cf::NDI_DEF;
		2811
		2812	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2813	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2814	} else {
		2815	if ($color >= 0) {
		2816	# replace some tags by gcfclient-compatible ones
		2817	for ($msg) {
		2818	1 while
		2819	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2820	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2821	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2822	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2823	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2824	}
		2825
		2826	$color &= cf::NDI_COLOR_MASK;
		2827
		2828	utf8::encode $msg;
		2829
		2830	if (0 && $msg =~ /\[/) {
		2831	# COMMAND/INFO
		2832	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2833	} else {
		2834	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2835	$self->send_packet ("drawinfo $color $msg")
		2836	}
		2837	}
		2838	}
		2839	}
		2840
		2841	=item $client->ext_msg ($type, @msg)
		2842
		2843	Sends an ext event to the client.
		2844
		2845	=cut
		2846
		2847	sub cf::client::ext_msg($$@) {
		2848	my ($self, $type, @msg) = @_;
		2849
		2850	if ($self->extcmd == 2) {
		2851	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2852	} elsif ($self->extcmd == 1) { # TODO: remove
		2853	push @msg, msgtype => "event_$type";
		2854	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2855	}
		2856	}
		2857
		2858	=item $client->ext_reply ($msgid, @msg)
		2859
		2860	Sends an ext reply to the client.
		2861
		2862	=cut
		2863
		2864	sub cf::client::ext_reply($$@) {
		2865	my ($self, $id, @msg) = @_;
		2866
		2867	if ($self->extcmd == 2) {
		2868	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2869	} elsif ($self->extcmd == 1) {
		2870	#TODO: version 1, remove
		2871	unshift @msg, msgtype => "reply", msgid => $id;
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2873	}
		2874	}
1988		2875
1989	=item $success = $client->query ($flags, "text", \&cb)	2876	=item $success = $client->query ($flags, "text", \&cb)
1990		2877
1991	Queues a query to the client, calling the given callback with	2878	Queues a query to the client, calling the given callback with
1992	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2879	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1993	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2880	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1994		2881
1995	Queries can fail, so check the return code. Or don't, as queries will become	2882	Queries can fail, so check the return code. Or don't, as queries will
1996	reliable at some point in the future.	2883	become reliable at some point in the future.
1997		2884
1998	=cut	2885	=cut
1999		2886
2000	sub cf::client::query {	2887	sub cf::client::query {
2001	my ($self, $flags, $text, $cb) = @_;	2888	my ($self, $flags, $text, $cb) = @_;
…		…
2009	utf8::encode $text;	2896	utf8::encode $text;
2010	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2897	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2011		2898
2012	$self->send_packet ($self->{query_queue}[0][0])	2899	$self->send_packet ($self->{query_queue}[0][0])
2013	if @{ $self->{query_queue} } == 1;	2900	if @{ $self->{query_queue} } == 1;
		2901
		2902	1
2014	}	2903	}
2015		2904
2016	cf::client->attach (	2905	cf::client->attach (
		2906	on_connect => sub {
		2907	my ($ns) = @_;
		2908
		2909	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2910	},
2017	on_reply => sub {	2911	on_reply => sub {
2018	my ($ns, $msg) = @_;	2912	my ($ns, $msg) = @_;
2019		2913
2020	# this weird shuffling is so that direct followup queries	2914	# this weird shuffling is so that direct followup queries
2021	# get handled first	2915	# get handled first
…		…
2033	} else {	2927	} else {
2034	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2928	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2035	}	2929	}
2036	}	2930	}
2037	},	2931	},
		2932	on_exticmd => sub {
		2933	my ($ns, $buf) = @_;
		2934
		2935	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2936
		2937	if (ref $msg) {
		2938	my ($type, $reply, @payload) =
		2939	"ARRAY" eq ref $msg
		2940	? @$msg
		2941	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2942
		2943	my @reply;
		2944
		2945	if (my $cb = $EXTICMD{$type}) {
		2946	@reply = $cb->($ns, @payload);
		2947	}
		2948
		2949	$ns->ext_reply ($reply, @reply)
		2950	if $reply;
		2951
		2952	} else {
		2953	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2954	}
		2955
		2956	cf::override;
		2957	},
2038	);	2958	);
2039		2959
2040	=item $client->async (\&cb)	2960	=item $client->async (\&cb)
2041		2961
2042	Create a new coroutine, running the specified callback. The coroutine will	2962	Create a new coroutine, running the specified callback. The coroutine will
…		…
2083	our $safe = new Safe "safe";	3003	our $safe = new Safe "safe";
2084	our $safe_hole = new Safe::Hole;	3004	our $safe_hole = new Safe::Hole;
2085		3005
2086	$SIG{FPE} = 'IGNORE';	3006	$SIG{FPE} = 'IGNORE';
2087		3007
2088	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3008	$safe->permit_only (Opcode::opset qw(
		3009	:base_core :base_mem :base_orig :base_math
		3010	grepstart grepwhile mapstart mapwhile
		3011	sort time
		3012	));
2089		3013
2090	# here we export the classes and methods available to script code	3014	# here we export the classes and methods available to script code
2091		3015
2092	=pod	3016	=pod
2093		3017
2094	The following fucntions and emthods are available within a safe environment:	3018	The following functions and methods are available within a safe environment:
2095		3019
2096	cf::object contr pay_amount pay_player map	3020	cf::object
		3021	contr pay_amount pay_player map x y force_find force_add destroy
		3022	insert remove name archname title slaying race decrease_ob_nr
		3023
2097	cf::object::player player	3024	cf::object::player
2098	cf::player peaceful	3025	player
2099	cf::map trigger	3026
		3027	cf::player
		3028	peaceful
		3029
		3030	cf::map
		3031	trigger
2100		3032
2101	=cut	3033	=cut
2102		3034
2103	for (	3035	for (
2104	["cf::object" => qw(contr pay_amount pay_player map)],	3036	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3037	insert remove inv name archname title slaying race
		3038	decrease_ob_nr destroy)],
2105	["cf::object::player" => qw(player)],	3039	["cf::object::player" => qw(player)],
2106	["cf::player" => qw(peaceful)],	3040	["cf::player" => qw(peaceful)],
2107	["cf::map" => qw(trigger)],	3041	["cf::map" => qw(trigger)],
2108	) {	3042	) {
2109	no strict 'refs';	3043	no strict 'refs';
…		…
2180	=back	3114	=back
2181		3115
2182	=cut	3116	=cut
2183		3117
2184	#############################################################################	3118	#############################################################################
2185
2186	=head2 EXTENSION DATABASE SUPPORT
2187
2188	Crossfire maintains a very simple database for extension use. It can
2189	currently store anything that can be serialised using Storable, which
2190	excludes objects.
2191
2192	The parameter C<$family> should best start with the name of the extension
2193	using it, it should be unique.
2194
2195	=over 4
2196
2197	=item $value = cf::db_get $family => $key
2198
2199	Returns a single value from the database.
2200
2201	=item cf::db_put $family => $key => $value
2202
2203	Stores the given C<$value> in the family.
2204
2205	=cut
2206
2207	our $DB;
2208
2209	sub db_init {
2210	unless ($DB) {
2211	$DB = BDB::db_create $DB_ENV;
2212
2213	cf::sync_job {
2214	eval {
2215	$DB->set_flags (BDB::CHKSUM);
2216
2217	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2218	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2219	cf::cleanup "db_open(db): $!" if $!;
2220	};
2221	cf::cleanup "db_open(db): $@" if $@;
2222	};
2223
2224	my $path = cf::localdir . "/database.pst";
2225	if (stat $path) {
2226	cf::sync_job {
2227	my $pst = Storable::retrieve $path;
2228
2229	cf::db_put (board => data => $pst->{board});
2230	cf::db_put (guildrules => data => $pst->{guildrules});
2231	cf::db_put (rent => balance => $pst->{rent}{balance});
2232	BDB::db_env_txn_checkpoint $DB_ENV;
2233
2234	unlink $path;
2235	};
2236	}
2237	}
2238	}
2239
2240	sub db_get($$) {
2241	my $key = "$_[0]/$_[1]";
2242
2243	cf::sync_job {
2244	BDB::db_get $DB, undef, $key, my $data;
2245
2246	$! ? ()
2247	: Compress::LZF::sthaw $data
2248	}
2249	}
2250
2251	sub db_put($$$) {
2252	BDB::dbreq_pri 4;
2253	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2254	}
2255
2256	#############################################################################
2257	# the server's init and main functions	3119	# the server's init and main functions
2258		3120
2259	sub load_resources {	3121	sub load_facedata($) {
2260	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3122	my ($path) = @_;
		3123
		3124	# HACK to clear player env face cache, we need some signal framework
		3125	# for this (global event?)
		3126	%ext::player_env::MUSIC_FACE_CACHE = ();
		3127
		3128	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3129
		3130	warn "loading facedata from $path\n";
		3131
		3132	my $facedata;
		3133	0 < aio_load $path, $facedata
		3134	or die "$path: $!";
		3135
		3136	$facedata = Coro::Storable::thaw $facedata;
		3137
		3138	$facedata->{version} == 2
		3139	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3140
		3141	# patch in the exptable
		3142	$facedata->{resource}{"res/exp_table"} = {
		3143	type => FT_RSRC,
		3144	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3145	};
		3146	cf::cede_to_tick;
		3147
		3148	{
		3149	my $faces = $facedata->{faceinfo};
		3150
		3151	while (my ($face, $info) = each %$faces) {
		3152	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3153	cf::face::set_visibility $idx, $info->{visibility};
		3154	cf::face::set_magicmap $idx, $info->{magicmap};
		3155	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3156	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3157
		3158	cf::cede_to_tick;
		3159	}
		3160
		3161	while (my ($face, $info) = each %$faces) {
		3162	next unless $info->{smooth};
		3163	my $idx = cf::face::find $face
		3164	or next;
		3165	if (my $smooth = cf::face::find $info->{smooth}) {
		3166	cf::face::set_smooth $idx, $smooth;
		3167	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3168	} else {
		3169	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3170	}
		3171
		3172	cf::cede_to_tick;
		3173	}
		3174	}
		3175
		3176	{
		3177	my $anims = $facedata->{animinfo};
		3178
		3179	while (my ($anim, $info) = each %$anims) {
		3180	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3181	cf::cede_to_tick;
		3182	}
		3183
		3184	cf::anim::invalidate_all; # d'oh
		3185	}
		3186
		3187	{
		3188	# TODO: for gcfclient pleasure, we should give resources
		3189	# that gcfclient doesn't grok a >10000 face index.
		3190	my $res = $facedata->{resource};
		3191
		3192	my $soundconf = delete $res->{"res/sound.conf"};
		3193
		3194	while (my ($name, $info) = each %$res) {
		3195	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3196	my $data;
		3197
		3198	if ($info->{type} & 1) {
		3199	# prepend meta info
		3200
		3201	my $meta = $enc->encode ({
		3202	name => $name,
		3203	%{ $info->{meta} || {} },
		3204	});
		3205
		3206	$data = pack "(w/a*)*", $meta, $info->{data};
		3207	} else {
		3208	$data = $info->{data};
		3209	}
		3210
		3211	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3212	cf::face::set_type $idx, $info->{type};
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216
		3217	if ($soundconf) {
		3218	$soundconf = $enc->decode (delete $soundconf->{data});
		3219
		3220	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3221	my $sound = $soundconf->{compat}[$_]
		3222	or next;
		3223
		3224	my $face = cf::face::find "sound/$sound->[1]";
		3225	cf::sound::set $sound->[0] => $face;
		3226	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3227	}
		3228
		3229	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3230	my $face = cf::face::find "sound/$v";
		3231	cf::sound::set $k => $face;
		3232	}
		3233	}
		3234	}
		3235
		3236	1
		3237	}
		3238
		3239	register_exticmd fx_want => sub {
		3240	my ($ns, $want) = @_;
		3241
		3242	while (my ($k, $v) = each %$want) {
		3243	$ns->fx_want ($k, $v);
		3244	}
		3245	};
		3246
		3247	sub reload_regions {
		3248	# HACK to clear player env face cache, we need some signal framework
		3249	# for this (global event?)
		3250	%ext::player_env::MUSIC_FACE_CACHE = ();
		3251
		3252	load_resource_file "$MAPDIR/regions"
2261	or die "unable to load regions file\n";#d#	3253	or die "unable to load regions file\n";
2262	}
2263		3254
2264	sub cfg_load {	3255	for (cf::region::list) {
		3256	$_->{match} = qr/$_->{match}/
		3257	if exists $_->{match};
		3258	}
		3259	}
		3260
		3261	sub reload_facedata {
		3262	load_facedata "$DATADIR/facedata"
		3263	or die "unable to load facedata\n";
		3264	}
		3265
		3266	sub reload_archetypes {
		3267	load_resource_file "$DATADIR/archetypes"
		3268	or die "unable to load archetypes\n";
		3269	#d# NEED to laod twice to resolve forward references
		3270	# this really needs to be done in an extra post-pass
		3271	# (which needs to be synchronous, so solve it differently)
		3272	load_resource_file "$DATADIR/archetypes"
		3273	or die "unable to load archetypes\n";
		3274	}
		3275
		3276	sub reload_treasures {
		3277	load_resource_file "$DATADIR/treasures"
		3278	or die "unable to load treasurelists\n";
		3279	}
		3280
		3281	sub reload_resources {
		3282	warn "reloading resource files...\n";
		3283
		3284	reload_regions;
		3285	reload_facedata;
		3286	#reload_archetypes;#d#
		3287	reload_archetypes;
		3288	reload_treasures;
		3289
		3290	warn "finished reloading resource files\n";
		3291	}
		3292
		3293	sub init {
		3294	reload_resources;
		3295	}
		3296
		3297	sub reload_config {
2265	open my $fh, "<:utf8", cf::confdir . "/config"	3298	open my $fh, "<:utf8", "$CONFDIR/config"
2266	or return;	3299	or return;
2267		3300
2268	local $/;	3301	local $/;
2269	*CFG = YAML::Syck::Load <$fh>;	3302	*CFG = YAML::Syck::Load <$fh>;
2270		3303
…		…
2280	};	3313	};
2281	warn $@ if $@;	3314	warn $@ if $@;
2282	}	3315	}
2283	}	3316	}
2284		3317
2285	sub init {
2286	load_resources;
2287	}
2288
2289	sub main {	3318	sub main {
2290	# we must not ever block the main coroutine	3319	# we must not ever block the main coroutine
2291	local $Coro::idle = sub {	3320	local $Coro::idle = sub {
2292	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3321	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2293	(async {	3322	(async {
2294	Event::one_event;	3323	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3324	EV::loop EV::LOOP_ONESHOT;
2295	})->prio (Coro::PRIO_MAX);	3325	})->prio (Coro::PRIO_MAX);
2296	};	3326	};
2297		3327
2298	cfg_load;	3328	reload_config;
2299	db_init;	3329	db_init;
2300	load_extensions;	3330	load_extensions;
2301		3331
2302	$TICK_WATCHER->start;	3332	$TICK_WATCHER->start;
		3333	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2303	Event::loop;	3334	EV::loop;
2304	}	3335	}
2305		3336
2306	#############################################################################	3337	#############################################################################
2307	# initialisation and cleanup	3338	# initialisation and cleanup
2308		3339
2309	# install some emergency cleanup handlers	3340	# install some emergency cleanup handlers
2310	BEGIN {	3341	BEGIN {
		3342	our %SIGWATCHER = ();
2311	for my $signal (qw(INT HUP TERM)) {	3343	for my $signal (qw(INT HUP TERM)) {
2312	Event->signal (	3344	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2313	reentrant => 0,
2314	data => WF_AUTOCANCEL,
2315	signal => $signal,
2316	prio => 0,
2317	cb => sub {
2318	cf::cleanup "SIG$signal";	3345	cf::cleanup "SIG$signal";
2319	},
2320	);	3346	};
		3347	}
		3348	}
		3349
		3350	sub write_runtime {
		3351	my $runtime = "$LOCALDIR/runtime";
		3352
		3353	# first touch the runtime file to show we are still running:
		3354	# the fsync below can take a very very long time.
		3355
		3356	IO::AIO::aio_utime $runtime, undef, undef;
		3357
		3358	my $guard = cf::lock_acquire "write_runtime";
		3359
		3360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3361	or return;
		3362
		3363	my $value = $cf::RUNTIME + 90 + 10;
		3364	# 10 is the runtime save interval, for a monotonic clock
		3365	# 60 allows for the watchdog to kill the server.
		3366
		3367	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3368	and return;
		3369
		3370	# always fsync - this file is important
		3371	aio_fsync $fh
		3372	and return;
		3373
		3374	# touch it again to show we are up-to-date
		3375	aio_utime $fh, undef, undef;
		3376
		3377	close $fh
		3378	or return;
		3379
		3380	aio_rename "$runtime~", $runtime
		3381	and return;
		3382
		3383	warn "runtime file written.\n";
		3384
2321	}	3385	1
2322	}	3386	}
2323		3387
2324	sub emergency_save() {	3388	sub emergency_save() {
2325	my $freeze_guard = cf::freeze_mainloop;	3389	my $freeze_guard = cf::freeze_mainloop;
2326		3390
…		…
2332	# and maps saved/destroyed asynchronously.	3396	# and maps saved/destroyed asynchronously.
2333	warn "begin emergency player save\n";	3397	warn "begin emergency player save\n";
2334	for my $login (keys %cf::PLAYER) {	3398	for my $login (keys %cf::PLAYER) {
2335	my $pl = $cf::PLAYER{$login} or next;	3399	my $pl = $cf::PLAYER{$login} or next;
2336	$pl->valid or next;	3400	$pl->valid or next;
		3401	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2337	$pl->save;	3402	$pl->save;
2338	}	3403	}
2339	warn "end emergency player save\n";	3404	warn "end emergency player save\n";
2340		3405
2341	warn "begin emergency map save\n";	3406	warn "begin emergency map save\n";
…		…
2359		3424
2360	warn Carp::longmess "post_cleanup backtrace"	3425	warn Carp::longmess "post_cleanup backtrace"
2361	if $make_core;	3426	if $make_core;
2362	}	3427	}
2363		3428
2364	sub reload() {	3429	sub do_reload_perl() {
2365	# can/must only be called in main	3430	# can/must only be called in main
2366	if ($Coro::current != $Coro::main) {	3431	if ($Coro::current != $Coro::main) {
2367	warn "can only reload from main coroutine";	3432	warn "can only reload from main coroutine";
2368	return;	3433	return;
2369	}	3434	}
…		…
2380	warn "syncing database to disk";	3445	warn "syncing database to disk";
2381	BDB::db_env_txn_checkpoint $DB_ENV;	3446	BDB::db_env_txn_checkpoint $DB_ENV;
2382		3447
2383	# if anything goes wrong in here, we should simply crash as we already saved	3448	# if anything goes wrong in here, we should simply crash as we already saved
2384		3449
2385	warn "cancelling all WF_AUTOCANCEL watchers";
2386	for (Event::all_watchers) {
2387	$_->cancel if $_->data & WF_AUTOCANCEL;
2388	}
2389
2390	warn "flushing outstanding aio requests";	3450	warn "flushing outstanding aio requests";
2391	for (;;) {	3451	for (;;) {
2392	BDB::flush;	3452	BDB::flush;
2393	IO::AIO::flush;	3453	IO::AIO::flush;
2394	Coro::cede;	3454	Coro::cede_notself;
2395	last unless IO::AIO::nreqs || BDB::nreqs;	3455	last unless IO::AIO::nreqs || BDB::nreqs;
2396	warn "iterate...";	3456	warn "iterate...";
2397	}	3457	}
		3458
		3459	++$RELOAD;
2398		3460
2399	warn "cancelling all extension coros";	3461	warn "cancelling all extension coros";
2400	$_->cancel for values %EXT_CORO;	3462	$_->cancel for values %EXT_CORO;
2401	%EXT_CORO = ();	3463	%EXT_CORO = ();
2402		3464
2403	warn "removing commands";	3465	warn "removing commands";
2404	%COMMAND = ();	3466	%COMMAND = ();
2405		3467
2406	warn "removing ext commands";	3468	warn "removing ext/exti commands";
2407	%EXTCMD = ();	3469	%EXTCMD = ();
		3470	%EXTICMD = ();
2408		3471
2409	warn "unloading/nuking all extensions";	3472	warn "unloading/nuking all extensions";
2410	for my $pkg (@EXTS) {	3473	for my $pkg (@EXTS) {
2411	warn "... unloading $pkg";	3474	warn "... unloading $pkg";
2412		3475
…		…
2442	Symbol::delete_package "safe::$_"	3505	Symbol::delete_package "safe::$_"
2443	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3506	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2444		3507
2445	warn "unloading cf.pm \"a bit\"";	3508	warn "unloading cf.pm \"a bit\"";
2446	delete $INC{"cf.pm"};	3509	delete $INC{"cf.pm"};
		3510	delete $INC{"cf/pod.pm"};
2447		3511
2448	# don't, removes xs symbols, too,	3512	# don't, removes xs symbols, too,
2449	# and global variables created in xs	3513	# and global variables created in xs
2450	#Symbol::delete_package __PACKAGE__;	3514	#Symbol::delete_package __PACKAGE__;
2451		3515
…		…
2454	warn "reloading cf.pm";	3518	warn "reloading cf.pm";
2455	require cf;	3519	require cf;
2456	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3520	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2457		3521
2458	warn "loading config and database again";	3522	warn "loading config and database again";
2459	cf::cfg_load;	3523	cf::reload_config;
2460		3524
2461	warn "loading extensions";	3525	warn "loading extensions";
2462	cf::load_extensions;	3526	cf::load_extensions;
2463		3527
2464	warn "reattaching attachments to objects/players";	3528	warn "reattaching attachments to objects/players";
2465	_global_reattach;	3529	_global_reattach; # objects, sockets
2466	warn "reattaching attachments to maps";	3530	warn "reattaching attachments to maps";
2467	reattach $_ for values %MAP;	3531	reattach $_ for values %MAP;
2468		3532	warn "reattaching attachments to players";
2469	warn "loading reloadable resources";	3533	reattach $_ for values %PLAYER;
2470	load_resources;
2471		3534
2472	warn "leaving sync_job";	3535	warn "leaving sync_job";
2473		3536
2474	1	3537	1
2475	} or do {	3538	} or do {
…		…
2481	warn "reloaded";	3544	warn "reloaded";
2482	};	3545	};
2483		3546
2484	our $RELOAD_WATCHER; # used only during reload	3547	our $RELOAD_WATCHER; # used only during reload
2485		3548
		3549	sub reload_perl() {
		3550	# doing reload synchronously and two reloads happen back-to-back,
		3551	# coro crashes during coro_state_free->destroy here.
		3552
		3553	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3554	undef $RELOAD_WATCHER;
		3555	do_reload_perl;
		3556	};
		3557	}
		3558
2486	register_command "reload" => sub {	3559	register_command "reload" => sub {
2487	my ($who, $arg) = @_;	3560	my ($who, $arg) = @_;
2488		3561
2489	if ($who->flag (FLAG_WIZ)) {	3562	if ($who->flag (FLAG_WIZ)) {
2490	$who->message ("reloading server.");	3563	$who->message ("reloading server.");
2491		3564	async {
2492	# doing reload synchronously and two reloads happen back-to-back,	3565	$Coro::current->{desc} = "perl_reload";
2493	# coro crashes during coro_state_free->destroy here.
2494
2495	$RELOAD_WATCHER ||= Event->timer (
2496	reentrant => 0,
2497	after => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => sub {
2500	reload;	3566	reload_perl;
2501	undef $RELOAD_WATCHER;
2502	},
2503	);	3567	};
2504	}	3568	}
2505	};	3569	};
2506		3570
2507	unshift @INC, $LIBDIR;	3571	unshift @INC, $LIBDIR;
2508		3572
2509	my $bug_warning = 0;	3573	my $bug_warning = 0;
2510		3574
2511	$TICK_WATCHER = Event->timer (	3575	our @WAIT_FOR_TICK;
2512	reentrant => 0,	3576	our @WAIT_FOR_TICK_BEGIN;
2513	parked => 1,	3577
2514	prio => 0,	3578	sub wait_for_tick {
2515	at => $NEXT_TICK || $TICK,	3579	return unless $TICK_WATCHER->is_active;
2516	data => WF_AUTOCANCEL,	3580	return if $Coro::current == $Coro::main;
2517	cb => sub {	3581
		3582	my $signal = new Coro::Signal;
		3583	push @WAIT_FOR_TICK, $signal;
		3584	$signal->wait;
		3585	}
		3586
		3587	sub wait_for_tick_begin {
		3588	return unless $TICK_WATCHER->is_active;
		3589	return if $Coro::current == $Coro::main;
		3590
		3591	my $signal = new Coro::Signal;
		3592	push @WAIT_FOR_TICK_BEGIN, $signal;
		3593	$signal->wait;
		3594	}
		3595
		3596	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2518	if ($Coro::current != $Coro::main) {	3597	if ($Coro::current != $Coro::main) {
2519	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3598	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2520	unless ++$bug_warning > 10;	3599	unless ++$bug_warning > 10;
2521	return;	3600	return;
2522	}	3601	}
2523		3602
2524	$NOW = Event::time;	3603	$NOW = $tick_start = EV::now;
2525		3604
2526	cf::server_tick; # one server iteration	3605	cf::server_tick; # one server iteration
		3606
2527	$RUNTIME += $TICK;	3607	$RUNTIME += $TICK;
2528	$NEXT_TICK += $TICK;	3608	$NEXT_TICK += $TICK;
2529		3609
2530	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3610	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2531	$NEXT_RUNTIME_WRITE = $NOW + 10;	3611	$NEXT_RUNTIME_WRITE = $NOW + 10;
2532	Coro::async_pool {	3612	Coro::async_pool {
		3613	$Coro::current->{desc} = "runtime saver";
2533	write_runtime	3614	write_runtime
2534	or warn "ERROR: unable to write runtime file: $!";	3615	or warn "ERROR: unable to write runtime file: $!";
2535	};
2536	}	3616	};
2537
2538
2539	$WAIT_FOR_TICK->broadcast;
2540	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2541
2542	# my $AFTER = Event::time;
2543	# warn $AFTER - $NOW;#d#
2544
2545	# if we are delayed by four ticks or more, skip them all
2546	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2547
2548	$TICK_WATCHER->at ($NEXT_TICK);
2549	$TICK_WATCHER->start;
2550	},	3617	}
2551	);	3618
		3619	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3620	$sig->send;
		3621	}
		3622	while (my $sig = shift @WAIT_FOR_TICK) {
		3623	$sig->send;
		3624	}
		3625
		3626	$LOAD = ($NOW - $tick_start) / $TICK;
		3627	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3628
		3629	_post_tick;
		3630	};
		3631	$TICK_WATCHER->priority (EV::MAXPRI);
2552		3632
2553	{	3633	{
		3634	BDB::min_parallel 8;
2554	BDB::max_poll_time $TICK * 0.1;	3635	BDB::max_poll_time $TICK * 0.1;
2555	$BDB_POLL_WATCHER = Event->io (	3636	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
2556	reentrant => 0,
2557	fd => BDB::poll_fileno,
2558	poll => 'r',
2559	prio => 0,
2560	data => WF_AUTOCANCEL,
2561	cb => \&BDB::poll_cb,
2562	);
2563	BDB::min_parallel 8;
2564		3637
2565	BDB::set_sync_prepare {	3638	BDB::set_sync_prepare {
2566	my $status;	3639	my $status;
2567	my $current = $Coro::current;	3640	my $current = $Coro::current;
2568	(	3641	(
…		…
2577	)	3650	)
2578	};	3651	};
2579		3652
2580	unless ($DB_ENV) {	3653	unless ($DB_ENV) {
2581	$DB_ENV = BDB::db_env_create;	3654	$DB_ENV = BDB::db_env_create;
		3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3656	| BDB::LOG_AUTOREMOVE, 1);
		3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2582		3659
2583	cf::sync_job {	3660	cf::sync_job {
2584	eval {	3661	eval {
2585	BDB::db_env_open	3662	BDB::db_env_open
2586	$DB_ENV,	3663	$DB_ENV,
2587	$BDB_ENV_DIR,	3664	$BDBDIR,
2588	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2589	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2590	0666;	3667	0666;
2591		3668
2592	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2593
2594	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2595	$DB_ENV->set_lk_detect;
2596	};	3670	};
2597		3671
2598	cf::cleanup "db_env_open(db): $@" if $@;	3672	cf::cleanup "db_env_open(db): $@" if $@;
2599	};	3673	};
2600	}	3674	}
		3675
		3676	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3677	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3678	};
		3679	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3681	};
		3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3684	};
2601	}	3685	}
2602		3686
2603	{	3687	{
2604	IO::AIO::min_parallel 8;	3688	IO::AIO::min_parallel 8;
2605		3689
2606	undef $Coro::AIO::WATCHER;	3690	undef $Coro::AIO::WATCHER;
2607	IO::AIO::max_poll_time $TICK * 0.1;	3691	IO::AIO::max_poll_time $TICK * 0.1;
2608	$AIO_POLL_WATCHER = Event->io (	3692	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
2609	reentrant => 0,
2610	data => WF_AUTOCANCEL,
2611	fd => IO::AIO::poll_fileno,
2612	poll => 'r',
2613	prio => 6,
2614	cb => \&IO::AIO::poll_cb,
2615	);
2616	}	3693	}
		3694
		3695	my $_log_backtrace;
		3696
		3697	sub _log_backtrace {
		3698	my ($msg, @addr) = @_;
		3699
		3700	$msg =~ s/\n//;
		3701
		3702	# limit the # of concurrent backtraces
		3703	if ($_log_backtrace < 2) {
		3704	++$_log_backtrace;
		3705	async {
		3706	$Coro::current->{desc} = "abt $msg";
		3707
		3708	my @bt = fork_call {
		3709	@addr = map { sprintf "%x", $_ } @addr;
		3710	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3711	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3712	or die "addr2line: $!";
		3713
		3714	my @funcs;
		3715	my @res = <$fh>;
		3716	chomp for @res;
		3717	while (@res) {
		3718	my ($func, $line) = splice @res, 0, 2, ();
		3719	push @funcs, "[$func] $line";
		3720	}
		3721
		3722	@funcs
		3723	};
		3724
		3725	LOG llevInfo, "[ABT] $msg\n";
		3726	LOG llevInfo, "[ABT] $_\n" for @bt;
		3727	--$_log_backtrace;
		3728	};
		3729	} else {
		3730	LOG llevInfo, "[ABT] $msg\n";
		3731	LOG llevInfo, "[ABT] [suppressed]\n";
		3732	}
		3733	}
		3734
		3735	# load additional modules
		3736	use cf::pod;
2617		3737
2618	END { cf::emergency_save }	3738	END { cf::emergency_save }
2619		3739
2620	1	3740	1
2621		3741

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