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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.210 by root, Mon Feb 12 01:32:49 2007 UTC vs.
Revision 1.396 by root, Wed Nov 14 08:09:46 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 ();
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 $WRITE_RUNTIME_WATCHER;	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	78	our $NEXT_TICK;
56	our $NOW;	79	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		81
59	our $BDB_POLL_WATCHER;	82	our $BDB_POLL_WATCHER;
		83	our $BDB_DEADLOCK_WATCHER;
		84	our $BDB_CHECKPOINT_WATCHER;
		85	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	86	our $DB_ENV;
61		87
62	our %CFG;	88	our %CFG;
63		89
64	our $UPTIME; $UPTIME ||= time;	90	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	91	our $RUNTIME;
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::from_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::to_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 $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	264	sub from_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	}
271	}	321	}
272		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		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
276	my $guard = Coro::guard {	332	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	333	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	334	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
282	$guard	336	$guard
		337	}
		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	$sig->wait;
283	}	410	}
284		411
285	=item cf::async { BLOCK }	412	=item cf::async { BLOCK }
286		413
287	Currently the same as Coro::async_pool, meaning you cannot use	414	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		419
293	BEGIN { *async = \&Coro::async_pool }	420	BEGIN { *async = \&Coro::async_pool }
294		421
295	=item cf::sync_job { BLOCK }	422	=item cf::sync_job { BLOCK }
296		423
297	The design of crossfire+ requires that the main coro ($Coro::main) is	424	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	425	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	426	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		427	acceptable.
300		428
301	If it must be done, put the blocking parts into C<sync_job>. This will run	429	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	430	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	431	server will be frozen during this time, so the block should either finish
304	fast or be very important.	432	fast or be very important.
…		…
307		435
308	sub sync_job(&) {	436	sub sync_job(&) {
309	my ($job) = @_;	437	my ($job) = @_;
310		438
311	if ($Coro::current == $Coro::main) {	439	if ($Coro::current == $Coro::main) {
		440	my $time = EV::time;
		441
312	# this is the main coro, too bad, we have to block	442	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	443	# till the operation succeeds, freezing the server :/
314		444
		445	LOG llevError, Carp::longmess "sync job";#d#
		446
315	# TODO: use suspend/resume instead	447	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	448	# (but this is cancel-safe)
317	my $freeze_guard = freeze_mainloop;	449	my $freeze_guard = freeze_mainloop;
318		450
319	my $busy = 1;	451	my $busy = 1;
320	my @res;	452	my @res;
321		453
322	(async {	454	(async {
		455	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	456	@res = eval { $job->() };
324	warn $@ if $@;	457	warn $@ if $@;
325	undef $busy;	458	undef $busy;
326	})->prio (Coro::PRIO_MAX);	459	})->prio (Coro::PRIO_MAX);
327		460
328	while ($busy) {	461	while ($busy) {
329	Coro::cede or Event::one_event;	462	if (Coro::nready) {
		463	Coro::cede_notself;
		464	} else {
		465	EV::loop EV::LOOP_ONESHOT;
330	}	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
331		475
332	wantarray ? @res : $res[0]	476	wantarray ? @res : $res[0]
333	} else {	477	} else {
334	# we are in another coroutine, how wonderful, everything just works	478	# we are in another coroutine, how wonderful, everything just works
335		479
…		…
355	$EXT_CORO{$coro+0} = $coro;	499	$EXT_CORO{$coro+0} = $coro;
356		500
357	$coro	501	$coro
358	}	502	}
359		503
360	sub write_runtime {	504	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		505
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	506	Executes the given code block with the given arguments in a seperate
364	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.
365		510
366	my $value = $cf::RUNTIME + 90 + 10;	511	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		512
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	513	sub fork_call(&@) {
371	and return;	514	my ($cb, @args) = @_;
372		515
373	# always fsync - this file is important	516	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	517	# otherwise perl prematurely frees the stuff :/
375	and return;	518	# TODO: investigate and fix (likely this will be rather laborious)
376		519
377	close $fh	520	my @res = Coro::Util::fork_eval {
378	or return;	521	reset_signals;
		522	&$cb
		523	}, @args;
379		524
380	aio_rename "$runtime~", $runtime	525	wantarray ? @res : $res[-1]
381	and return;	526	}
382		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($$) {
		570	my $key = "$_[0]/$_[1]";
		571
		572	cf::sync_job {
		573	BDB::db_get $DB, undef, $key, my $data;
		574
		575	$! ? ()
		576	: $data
383	1	577	}
		578	}
		579
		580	sub db_put($$$) {
		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 });
384	}	664	}
385		665
386	=back	666	=back
387		667
388	=cut	668	=cut
…		…
395	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")
396	to it. All such attachable objects support the following methods.	676	to it. All such attachable objects support the following methods.
397		677
398	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>
399	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
400	crossfire+).	680	Deliantra).
401		681
402	=over 4	682	=over 4
403		683
404	=item $attachable->attach ($attachment, key => $value...)	684	=item $attachable->attach ($attachment, key => $value...)
405		685
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	848	$registry = $CB_TYPE[$object_type] ||= [];
569		849
570	} elsif ($type eq "subtype") {	850	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	851	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	852	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	853	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		854
575	} elsif ($type eq "package") {	855	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	856	my $pkg = shift @arg;
577		857
578	while (my ($name, $id) = each %cb_id) {	858	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	887	_attach $registry, $klass, @attach;
608	}	888	}
609		889
610	$obj->{$name} = \%arg;	890	$obj->{$name} = \%arg;
611	} else {	891	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	892	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	893	}
614		894
615	$obj->{_attachment}{$name} = undef;	895	$obj->{_attachment}{$name} = undef;
616	}	896	}
617		897
…		…
619	if (ref $_[0]) {	899	if (ref $_[0]) {
620	_object_attach @_;	900	_object_attach @_;
621	} else {	901	} else {
622	_attach shift->_attach_registry, @_;	902	_attach shift->_attach_registry, @_;
623	}	903	}
		904	_recalc_want;
624	};	905	};
625		906
626	# all those should be optimised	907	# all those should be optimised
627	sub cf::attachable::detach {	908	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	909	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	912	delete $obj->{_attachment}{$name};
632	reattach ($obj);	913	reattach ($obj);
633	} else {	914	} else {
634	Carp::croak "cannot, currently, detach class attachments";	915	Carp::croak "cannot, currently, detach class attachments";
635	}	916	}
		917	_recalc_want;
636	};	918	};
637		919
638	sub cf::attachable::attached {	920	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	921	my ($obj, $name) = @_;
640		922
…		…
655	";	937	";
656	die if $@;	938	die if $@;
657	}	939	}
658		940
659	our $override;	941	our $override;
660	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?
661		943
662	sub override {	944	sub override {
663	$override = 1;	945	$override = 1;
664	@invoke_results = ();	946	@INVOKE_RESULTS = (@_);
665	}	947	}
666		948
667	sub do_invoke {	949	sub do_invoke {
668	my $event = shift;	950	my $event = shift;
669	my $callbacks = shift;	951	my $callbacks = shift;
670		952
671	@invoke_results = ();	953	@INVOKE_RESULTS = ();
672		954
673	local $override;	955	local $override;
674		956
675	for (@$callbacks) {	957	for (@$callbacks) {
676	eval { &{$_->[1]} };	958	eval { &{$_->[1]} };
…		…
693		975
694	Generate an object-specific event with the given arguments.	976	Generate an object-specific event with the given arguments.
695		977
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	980	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		981
700	=back	982	=back
701		983
702	=cut	984	=cut
703		985
704	#############################################################################	986	#############################################################################
705	# 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, $ob2
		1029	}
706		1030
707	sub reattach {	1031	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1032	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1033	my ($obj) = @_;
710		1034
…		…
757	sub object_freezer_save {	1081	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1082	my ($filename, $rdata, $objs) = @_;
759		1083
760	sync_job {	1084	sync_job {
761	if (length $$rdata) {	1085	if (length $$rdata) {
		1086	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1087	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1088	$decname, length $$rdata, scalar @$objs;
764		1089
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1091	chmod SAVE_MODE, $fh;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1093	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1094	close $fh;
770		1095
771	if (@$objs) {	1096	if (@$objs) {
772	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) {
773	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1100	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1101	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1102	close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1103	aio_rename "$filename.pst~", "$filename.pst";
779	}	1104	}
…		…
787	}	1112	}
788	} else {	1113	} else {
789	aio_unlink $filename;	1114	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1115	aio_unlink "$filename.pst";
791	}	1116	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1117	};
799	}	1118	}
800		1119
801	sub object_freezer_as_string {	1120	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1121	my ($rdata, $objs) = @_;
803		1122
…		…
808		1127
809	sub object_thawer_load {	1128	sub object_thawer_load {
810	my ($filename) = @_;	1129	my ($filename) = @_;
811		1130
812	my ($data, $av);	1131	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1132
817	(aio_load $filename, $data) >= 0	1133	(aio_load $filename, $data) >= 0
818	or return;	1134	or return;
819		1135
820	unless (aio_stat "$filename.pst") {	1136	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1137	(aio_load "$filename.pst", $av) >= 0
822	or return;	1138	or return;
		1139
823	$av = eval { (Storable::thaw $av)->{objs} };	1140	my $st = eval { Coro::Storable::thaw $av };
		1141	$av = $st->{objs};
824	}	1142	}
825		1143
		1144	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1145	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1146	$decname, length $data, scalar @{$av || []};
		1147
828	return ($data, $av);	1148	($data, $av)
829	}	1149	}
		1150
		1151	=head2 COMMAND CALLBACKS
		1152
		1153	=over 4
		1154
		1155	=cut
830		1156
831	#############################################################################	1157	#############################################################################
832	# command handling &c	1158	# command handling &c
833		1159
834	=item cf::register_command $name => \&callback($ob,$args);	1160	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1173	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1174	}
849		1175
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1176	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1177
852	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.
853		1183
854	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
855	called.	1185	called.
856		1186
		1187	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1188
		1189	Register a callback for execution when the client sends an (asynchronous)
		1190	exticmd packet. Exti commands are processed by the server as soon as they
		1191	are received, i.e. out of order w.r.t. other commands. The first argument
		1192	is a client socket. Exti commands can be received anytime, even before
		1193	log-in.
		1194
		1195	If the callback returns something, it is sent back as if reply was being
		1196	called.
		1197
857	=cut	1198	=cut
858		1199
859	sub register_extcmd {	1200	sub register_extcmd {
860	my ($name, $cb) = @_;	1201	my ($name, $cb) = @_;
861		1202
862	$EXTCMD{$name} = $cb;	1203	$EXTCMD{$name} = $cb;
		1204	}
		1205
		1206	sub register_exticmd {
		1207	my ($name, $cb) = @_;
		1208
		1209	$EXTICMD{$name} = $cb;
863	}	1210	}
864		1211
865	cf::player->attach (	1212	cf::player->attach (
866	on_command => sub {	1213	on_command => sub {
867	my ($pl, $name, $params) = @_;	1214	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1223	cf::override;
877	},	1224	},
878	on_extcmd => sub {	1225	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1226	my ($pl, $buf) = @_;
880		1227
881	my $msg = eval { from_json $buf };	1228	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1229
883	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
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1238	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1239	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1240	}
		1241
		1242	$pl->ext_reply ($reply, @reply)
		1243	if $reply;
		1244
889	} else {	1245	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1247	}
892		1248
893	cf::override;	1249	cf::override;
894	},	1250	},
895	);	1251	);
896		1252
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1253	sub load_extensions {
		1254	cf::sync_job {
		1255	my %todo;
		1256
932	for my $ext (<$LIBDIR/*.ext>) {	1257	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1258	next unless -r $path;
934	eval {	1259
935	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	$progress = 1;
936	1	1317	}
937	} or warn "$ext not loaded: $@";	1318
		1319	skip:
		1320	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1321	unless $progress;
		1322	}
938	}	1323	};
939	}	1324	}
940		1325
941	#############################################################################	1326	#############################################################################
942		1327
		1328	=back
		1329
943	=head2 CORE EXTENSIONS	1330	=head2 CORE EXTENSIONS
944		1331
945	Functions and methods that extend core crossfire objects.	1332	Functions and methods that extend core crossfire objects.
946		1333
947	=cut	1334	=cut
…		…
952		1339
953	=head3 cf::player	1340	=head3 cf::player
954		1341
955	=over 4	1342	=over 4
956		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
957	=item cf::player::find $login	1358	=item cf::player::find $login
958		1359
959	Returns the given player object, loading it if necessary (might block).	1360	Returns the given player object, loading it if necessary (might block).
960		1361
961	=cut	1362	=cut
962		1363
963	sub playerdir($) {	1364	sub playerdir($) {
964	cf::localdir	1365	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1366	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1367	}
970		1368
971	sub path($) {	1369	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1370	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1371
974	(playerdir $login) . "/$login.pl"	1372	(playerdir $login) . "/playerdata"
975	}	1373	}
976		1374
977	sub find_active($) {	1375	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1376	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1377	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1390	my $login = $_[0];
993		1391
994	my $guard = cf::lock_acquire "user_find:$login";	1392	my $guard = cf::lock_acquire "user_find:$login";
995		1393
996	$cf::PLAYER{$_[0]} || do {	1394	$cf::PLAYER{$_[0]} || do {
997	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
998	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;
999	$cf::PLAYER{$login} = $pl	1409	$cf::PLAYER{$login} = $pl
1000	}	1410	}
1001	}	1411	}
1002	}	1412	}
1003		1413
…		…
1013		1423
1014	aio_mkdir playerdir $pl, 0770;	1424	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1425	$pl->{last_save} = $cf::RUNTIME;
1016		1426
1017	$pl->save_pl ($path);	1427	$pl->save_pl ($path);
1018	Coro::cede;	1428	cf::cede_to_tick;
1019	}	1429	}
1020		1430
1021	sub new($) {	1431	sub new($) {
1022	my ($login) = @_;	1432	my ($login) = @_;
1023		1433
…		…
1029	$cf::PLAYER{$login} = $self;	1439	$cf::PLAYER{$login} = $self;
1030		1440
1031	$self	1441	$self
1032	}	1442	}
1033		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
1034	=item $pl->quit_character	1454	=item $pl->quit_character
1035		1455
1036	Nukes the player without looking back. If logged in, the connection will	1456	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1457	be destroyed. May block for a long time.
1038		1458
1039	=cut	1459	=cut
1040		1460
1041	sub quit_character {	1461	sub quit_character {
1042	my ($pl) = @_;	1462	my ($pl) = @_;
		1463
		1464	my $name = $pl->ob->name;
1043		1465
1044	$pl->{deny_save} = 1;	1466	$pl->{deny_save} = 1;
1045	$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
1046		1468
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1469	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1474	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1475	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1476	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1477	delete $cf::PLAYER{$pl->ob->name};
1056	$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
1057	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;
1058	}	1500	}
1059		1501
1060	=item cf::player::list_logins	1502	=item cf::player::list_logins
1061		1503
1062	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
1063	while and may block, so not sync_job-capable, ever.	1505	while and may block, so not sync_job-capable, ever.
1064		1506
1065	=cut	1507	=cut
1066		1508
1067	sub list_logins {	1509	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1510	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1511	or return [];
1070		1512
1071	my @logins;	1513	my @logins;
1072		1514
1073	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") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1521	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1522	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1523	}
1077		1524
1078	utf8::decode $login;	1525	utf8::decode $login;
1079	push @logins, $login;	1526	push @logins, $login;
1080	}	1527	}
1081		1528
…		…
1108	}	1555	}
1109		1556
1110	\@paths	1557	\@paths
1111	}	1558	}
1112		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
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1653	=item $player->ext_reply ($msgid, @msg)
1114		1654
1115	Sends an ext reply to the player.	1655	Sends an ext reply to the player.
1116		1656
1117	=cut	1657	=cut
1118		1658
1119	sub ext_reply($$$%) {	1659	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1660	my ($self, $id, @msg) = @_;
1121		1661
1122	$msg{msgid} = $id;	1662	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1663	}
1126		1664
1127	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	$match
		1704	}
1128		1705
1129	=back	1706	=back
1130
1131		1707
1132	=head3 cf::map	1708	=head3 cf::map
1133		1709
1134	=over 4	1710	=over 4
1135		1711
…		…
1190	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1191		1767
1192	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1193	local $self->{path};	1769	local $self->{path};
1194	local $self->{load_path};	1770	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1771
1198	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1199	}	1773	}
1200		1774
1201	sub normalise {	1775	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1249	return $self;	1823	return $self;
1250	}	1824	}
1251	}	1825	}
1252		1826
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1828	()
1255	}	1829	}
1256		1830
1257	sub init {	1831	sub init {
1258	my ($self) = @_;	1832	my ($self) = @_;
…		…
1273		1847
1274	# the original (read-only) location	1848	# the original (read-only) location
1275	sub load_path {	1849	sub load_path {
1276	my ($self) = @_;	1850	my ($self) = @_;
1277		1851
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1852	"$MAPDIR/$self->{path}.map"
1279	}	1853	}
1280		1854
1281	# the temporary/swap location	1855	# the temporary/swap location
1282	sub save_path {	1856	sub save_path {
1283	my ($self) = @_;	1857	my ($self) = @_;
1284		1858
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1860	"$TMPDIR/$path.map"
1287	}	1861	}
1288		1862
1289	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1290	sub uniq_path {	1864	sub uniq_path {
1291	my ($self) = @_;	1865	my ($self) = @_;
1292		1866
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1868	"$UNIQUEDIR/$path"
1295	}	1869	}
1296		1870
1297	# and all this just because we cannot iterate over	1871	# and all this just because we cannot iterate over
1298	# all maps in C++...	1872	# all maps in C++...
1299	sub change_all_map_light {	1873	sub change_all_map_light {
…		…
1301		1875
1302	$_->change_map_light ($change)	1876	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1877	for grep $_->outdoor, values %cf::MAP;
1304	}	1878	}
1305		1879
		1880	sub decay_objects {
		1881	my ($self) = @_;
		1882
		1883	return if $self->{deny_reset};
		1884
		1885	$self->do_decay_objects;
		1886	}
		1887
1306	sub unlink_save {	1888	sub unlink_save {
1307	my ($self) = @_;	1889	my ($self) = @_;
1308		1890
1309	utf8::encode (my $save = $self->save_path);	1891	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1892	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1894	}
1318		1895
1319	sub load_header_from($) {	1896	sub load_header_from($) {
1320	my ($self, $path) = @_;	1897	my ($self, $path) = @_;
1321		1898
1322	utf8::encode $path;	1899	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1900	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	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;
1328		1908
1329	$self->{load_path} = $path;	1909	$self->{load_path} = $path;
1330		1910
1331	1	1911	1
1332	}	1912	}
…		…
1371	$self->load_header_orig	1951	$self->load_header_orig
1372	or return;	1952	or return;
1373	$self->prepare_orig;	1953	$self->prepare_orig;
1374	}	1954	}
1375		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 $self->default_region;
		1961
1376	1	1962	1
1377	}	1963	}
1378		1964
1379	sub find;	1965	sub find;
1380	sub find {	1966	sub find {
1381	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1382		1968
1383	$path = normalise $path, $origin && $origin->path;	1969	$path = normalise $path, $origin && $origin->path;
1384		1970
		1971	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1972	cf::lock_wait "map_find:$path";
1386		1973
1387	$cf::MAP{$path} || do {	1974	$cf::MAP{$path} || do {
1388	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
1389	my $map = new_from_path cf::map $path	1978	my $map = new_from_path cf::map $path
1390	or return;	1979	or return;
1391		1980
1392	$map->{last_save} = $cf::RUNTIME;	1981	$map->{last_save} = $cf::RUNTIME;
1393		1982
1394	$map->load_header	1983	$map->load_header
1395	or return;	1984	or return;
1396		1985
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1987	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1988	#$cf::WAIT_FOR_TICK->wait;
		1989	undef $guard1;
		1990	undef $guard2;
1400	$map->reset;	1991	$map->reset;
1401	undef $guard;
1402	return find $path;	1992	return find $path;
1403	}	1993	}
1404		1994
1405	$cf::MAP{$path} = $map	1995	$cf::MAP{$path} = $map
1406	}	1996	}
…		…
1413	my ($self) = @_;	2003	my ($self) = @_;
1414		2004
1415	local $self->{deny_reset} = 1; # loading can take a long time	2005	local $self->{deny_reset} = 1; # loading can take a long time
1416		2006
1417	my $path = $self->{path};	2007	my $path = $self->{path};
		2008
		2009	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2010	my $guard = cf::lock_acquire "map_data:$path";
1419		2011
		2012	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2013	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2014
1422	$self->in_memory (cf::MAP_LOADING);	2015	$self->in_memory (cf::MAP_LOADING);
1423		2016
1424	$self->alloc;	2017	$self->alloc;
1425		2018
1426	$self->pre_load;	2019	$self->pre_load;
		2020	cf::cede_to_tick;
1427		2021
1428	$self->_load_objects ($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)
1429	or return;	2025	or return;
1430		2026
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	2028	if delete $self->{load_original};
1433		2029
1434	if (my $uniq = $self->uniq_path) {	2030	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2031	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2032	unless (aio_stat $uniq) {
		2033	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2034	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2035	$self->_load_objects ($f);
		2036	$f->resolve_delayed_derefs;
		2037	}
1439	}	2038	}
1440	}	2039	}
1441		2040
1442	Coro::cede;	2041	$f->resolve_delayed_derefs;
1443		2042
		2043	cf::cede_to_tick;
1444	# now do the right thing for maps	2044	# now do the right thing for maps
1445	$self->link_multipart_objects;	2045	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2046	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2047	unless $self->difficulty;
1455	Coro::cede;	2048	cf::cede_to_tick;
		2049
		2050	unless ($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;
1456	$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);
1457	}	2064	}
1458		2065
1459	$self->post_load;	2066	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2067	}
1463		2068
1464	sub customise_for {	2069	sub customise_for {
1465	my ($self, $ob) = @_;	2070	my ($self, $ob) = @_;
1466		2071
1467	return find "~" . $ob->name . "/" . $self->{path}	2072	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2073	if $self->per_player;
1469		2074
		2075	# return find "?party/" . $ob->name . "/" . $self->{path}
		2076	# if $self->per_party;
		2077
1470	$self	2078	$self
1471	}	2079	}
1472		2080
1473	# find and load all maps in the 3x3 area around a map	2081	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2082	sub load_neighbours {
1475	my ($map) = @_;	2083	my ($map) = @_;
1476		2084
1477	my @diag; # diagonal neighbours	2085	my @neigh; # diagonal neighbours
1478		2086
1479	for (0 .. 3) {	2087	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2088	my $neigh = $map->tile_path ($_)
1481	or next;	2089	or next;
1482	$neigh = find $neigh, $map	2090	$neigh = find $neigh, $map
1483	or next;	2091	or next;
1484	$neigh->load;	2092	$neigh->load;
1485		2093
		2094	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2097	}
1489		2098
1490	for (@diag) {	2099	for (grep defined $_->[0], @neigh) {
		2100	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2101	my $neigh = find $path, $origin
1492	or next;	2102	or next;
1493	$neigh->load;	2103	$neigh->load;
1494	}	2104	}
1495	}	2105	}
1496		2106
…		…
1501	}	2111	}
1502		2112
1503	sub do_load_sync {	2113	sub do_load_sync {
1504	my ($map) = @_;	2114	my ($map) = @_;
1505		2115
		2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2117	if $Coro::current == $Coro::main;
		2118
1506	cf::sync_job { $map->load };	2119	cf::sync_job { $map->load };
1507	}	2120	}
1508		2121
1509	our %MAP_PREFETCH;	2122	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2123	our $MAP_PREFETCHER = undef;
1511		2124
1512	sub find_async {	2125	sub find_async {
1513	my ($path, $origin) = @_;	2126	my ($path, $origin, $load) = @_;
1514		2127
1515	$path = normalise $path, $origin && $origin->{path};	2128	$path = normalise $path, $origin && $origin->{path};
1516		2129
1517	if (my $map = $cf::MAP{$path}) {	2130	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2132	}
1520		2133
1521	undef $MAP_PREFETCH{$path};	2134	$MAP_PREFETCH{$path} |= $load;
		2135
1522	$MAP_PREFETCHER ||= cf::async {	2136	$MAP_PREFETCHER ||= cf::async {
		2137	$Coro::current->{desc} = "map prefetcher";
		2138
1523	while (%MAP_PREFETCH) {	2139	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2140	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2141	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2142	$map->load if $v;
		2143	}
1528		2144
1529	delete $MAP_PREFETCH{$path};	2145	delete $MAP_PREFETCH{$k};
1530	}	2146	}
1531	}	2147	}
1532	undef $MAP_PREFETCHER;	2148	undef $MAP_PREFETCHER;
1533	};	2149	};
1534	$MAP_PREFETCHER->prio (6);	2150	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2153	}
1538		2154
1539	sub save {	2155	sub save {
1540	my ($self) = @_;	2156	my ($self) = @_;
1541		2157
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2159
1544	$self->{last_save} = $cf::RUNTIME;	2160	$self->{last_save} = $cf::RUNTIME;
1545		2161
1546	return unless $self->dirty;	2162	return unless $self->dirty;
1547		2163
…		…
1553	return if $self->{deny_save};	2169	return if $self->{deny_save};
1554		2170
1555	local $self->{last_access} = $self->last_access;#d#	2171	local $self->{last_access} = $self->last_access;#d#
1556		2172
1557	cf::async {	2173	cf::async {
		2174	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2175	$_->contr->save for $self->players;
1559	};	2176	};
1560		2177
1561	if ($uniq) {	2178	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1570	my ($self) = @_;	2187	my ($self) = @_;
1571		2188
1572	# save first because save cedes	2189	# save first because save cedes
1573	$self->save;	2190	$self->save;
1574		2191
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2192	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2193
1577	return if $self->players;	2194	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2195	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2196	return if $self->{deny_save};
1580		2197
		2198	$self->in_memory (cf::MAP_SWAPPED);
		2199
		2200	$self->deactivate;
		2201	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2202	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2203	}
1584		2204
1585	sub reset_at {	2205	sub reset_at {
1586	my ($self) = @_;	2206	my ($self) = @_;
1587		2207
1588	# TODO: safety, remove and allow resettable per-player maps	2208	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2209	return 1e99 if $self->{deny_reset};
1591		2210
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2211	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2212	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2213
…		…
1605	my ($self) = @_;	2224	my ($self) = @_;
1606		2225
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2227
1609	return if $self->players;	2228	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2229
1612	warn "resetting map ", $self->path;#d#	2230	warn "resetting map ", $self->path;
1613		2231
1614	$self->in_memory (cf::MAP_SWAPPED);	2232	$self->in_memory (cf::MAP_SWAPPED);
1615		2233
1616	# need to save uniques path	2234	# need to save uniques path
1617	unless ($self->{deny_save}) {	2235	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2239	if $uniq;
1622	}	2240	}
1623		2241
1624	delete $cf::MAP{$self->path};	2242	delete $cf::MAP{$self->path};
1625		2243
		2244	$self->deactivate;
		2245	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2246	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2247
1630	$self->unlink_save;	2248	$self->unlink_save;
1631	$self->destroy;	2249	$self->destroy;
1632	}	2250	}
1633		2251
1634	my $nuke_counter = "aaaa";	2252	my $nuke_counter = "aaaa";
1635		2253
1636	sub nuke {	2254	sub nuke {
1637	my ($self) = @_;	2255	my ($self) = @_;
1638		2256
		2257	{
		2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2259
1639	delete $cf::MAP{$self->path};	2260	delete $cf::MAP{$self->path};
1640		2261
1641	$self->unlink_save;	2262	$self->unlink_save;
1642		2263
1643	bless $self, "cf::map";	2264	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2265	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2266	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2267	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2269
1649	$cf::MAP{$self->path} = $self;	2270	$cf::MAP{$self->path} = $self;
		2271	}
1650		2272
1651	$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	]
1652	}	2310	}
1653		2311
1654	=item cf::map::unique_maps	2312	=item cf::map::unique_maps
1655		2313
1656	Returns an arrayref of paths of all shared maps that have	2314	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2315	instantiated unique items. May block.
1658		2316
1659	=cut	2317	=cut
1660		2318
1661	sub unique_maps() {	2319	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2320	[
1663	or return;	2321	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2322	utf8::decode $_;
1669	next if /\.pst$/;	2323	/\.map$/
1670	next unless /^$PATH_SEP/o;	2324	? normalise $_
1671		2325	: ()
1672	push @paths, cf::map::normalise $_;	2326	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2327	]
1674
1675	\@paths
1676	}	2328	}
1677		2329
1678	package cf;	2330	package cf;
1679		2331
1680	=back	2332	=back
…		…
1698	map { $_, inv_recursive_ $_->inv } @_	2350	map { $_, inv_recursive_ $_->inv } @_
1699	}	2351	}
1700		2352
1701	sub inv_recursive {	2353	sub inv_recursive {
1702	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	}
1703	}	2383	}
1704		2384
1705	package cf;	2385	package cf;
1706		2386
1707	=back	2387	=back
…		…
1726		2406
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2408
1729	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1731	} 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 {
1732	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2421	$self->message ($msg, $flags);
		2422	}
1734	}	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 (@_);
1735	}	2434	}
1736		2435
1737	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1738		2437
1739	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1787		2486
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2488
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1792		2491
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2493	}
1795		2494
1796	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1798		2499
1799	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1800		2501
1801	unless ($map) {	2502	unless ($map) {
1802	# restore original map position	2503	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1819		2520
1820	$map->load;	2521	$map->load;
1821	$map->load_diag;	2522	$map->load_neighbours;
1822		2523
1823	return unless $self->contr->active;	2524	return unless $self->contr->active;
1824	$self->activate_recursive;	2525	$self->activate_recursive;
		2526
		2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1826	}	2529	}
1827		2530
1828	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2532
1832	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1836	};	2537	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2538
1842	# try to abort aborted map switching on player login :)
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2539	=cut
		2540
		2541	our $GOTOGEN;
1863		2542
1864	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
1865	my ($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;
1866		2548
1867	$self->enter_link;	2549	$self->enter_link;
1868		2550
1869	(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
1870	my $map = eval {	2573	my $map = eval {
1871	my $map = cf::map::find $path;	2574	my $map = defined $path ? cf::map::find $path : undef;
		2575
		2576	if ($map) {
1872	$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
1873	$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 $@;
1874	} or	2589	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2590
		2591	if ($gen == $self->{_goto_generation}) {
		2592	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2593	$self->leave_link ($map, $x, $y);
		2594	}
		2595
		2596	$done->() if $done;
1878	})->prio (1);	2597	})->prio (1);
1879	}	2598	}
1880		2599
1881	=item $player_object->enter_exit ($exit_object)	2600	=item $player_object->enter_exit ($exit_object)
1882		2601
…		…
1921		2640
1922	$rmp->{random_seed} ||= $exit->random_seed;	2641	$rmp->{random_seed} ||= $exit->random_seed;
1923		2642
1924	my $data = cf::to_json $rmp;	2643	my $data = cf::to_json $rmp;
1925	my $md5 = Digest::MD5::md5_hex $data;	2644	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2645	my $meta = "$RANDOMDIR/$md5.meta";
1927		2646
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2648	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2649	undef $fh;
1931	aio_rename "$meta~", $meta;	2650	aio_rename "$meta~", $meta;
…		…
1940		2659
1941	return unless $self->type == cf::PLAYER;	2660	return unless $self->type == cf::PLAYER;
1942		2661
1943	if ($exit->slaying eq "/!") {	2662	if ($exit->slaying eq "/!") {
1944	#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
1945	cf::sync_job { prepare_random_map $exit };	2666	cf::sync_job { prepare_random_map $exit };
1946	}	2667	}
1947		2668
1948	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;
1949	my $hp = $exit->stats->hp;	2670	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;	2671	my $sp = $exit->stats->sp;
1951		2672
1952	$self->enter_link;	2673	$self->enter_link;
1953		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
1954	(async {	2679	(async {
		2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2681
1955	$self->deactivate_recursive; # just to be sure	2682	$self->deactivate_recursive; # just to be sure
1956	unless (eval {	2683	unless (eval {
1957	$self->goto ($slaying, $hp, $sp);	2684	$self->goto ($slaying, $hp, $sp);
1958		2685
1959	1;	2686	1;
1960	}) {	2687	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2688	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "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. "
1963	. "Please report this to the dungeon master!",	2690	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2691	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2692
1966	warn "ERROR in enter_exit: $@";	2693	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2694	$self->leave_link;
1968	}	2695	}
1969	})->prio (1);	2696	})->prio (1);
…		…
1982		2709
1983	sub cf::client::send_drawinfo {	2710	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2711	my ($self, $text, $flags) = @_;
1985		2712
1986	utf8::encode $text;	2713	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2714	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2715	}
1989		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	}
1990		2875
1991	=item $success = $client->query ($flags, "text", \&cb)	2876	=item $success = $client->query ($flags, "text", \&cb)
1992		2877
1993	Queues a query to the client, calling the given callback with	2878	Queues a query to the client, calling the given callback with
1994	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>,
1995	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>.
1996		2881
1997	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
1998	reliable at some point in the future.	2883	become reliable at some point in the future.
1999		2884
2000	=cut	2885	=cut
2001		2886
2002	sub cf::client::query {	2887	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2888	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2896	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2897	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2898
2014	$self->send_packet ($self->{query_queue}[0][0])	2899	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2900	if @{ $self->{query_queue} } == 1;
		2901
		2902	1
2016	}	2903	}
2017		2904
2018	cf::client->attach (	2905	cf::client->attach (
		2906	on_connect => sub {
		2907	my ($ns) = @_;
		2908
		2909	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2910	},
2019	on_reply => sub {	2911	on_reply => sub {
2020	my ($ns, $msg) = @_;	2912	my ($ns, $msg) = @_;
2021		2913
2022	# this weird shuffling is so that direct followup queries	2914	# this weird shuffling is so that direct followup queries
2023	# get handled first	2915	# get handled first
…		…
2035	} else {	2927	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2928	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2929	}
2038	}	2930	}
2039	},	2931	},
		2932	on_exticmd => sub {
		2933	my ($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	},
2040	);	2958	);
2041		2959
2042	=item $client->async (\&cb)	2960	=item $client->async (\&cb)
2043		2961
2044	Create a new coroutine, running the specified callback. The coroutine will	2962	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	3003	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3004	our $safe_hole = new Safe::Hole;
2087		3005
2088	$SIG{FPE} = 'IGNORE';	3006	$SIG{FPE} = 'IGNORE';
2089		3007
2090	$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	));
2091		3013
2092	# here we export the classes and methods available to script code	3014	# here we export the classes and methods available to script code
2093		3015
2094	=pod	3016	=pod
2095		3017
2096	The following fucntions and emthods are available within a safe environment:	3018	The following functions and methods are available within a safe environment:
2097		3019
2098	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
2099	cf::object::player player	3024	cf::object::player
2100	cf::player peaceful	3025	player
2101	cf::map trigger	3026
		3027	cf::player
		3028	peaceful
		3029
		3030	cf::map
		3031	trigger
2102		3032
2103	=cut	3033	=cut
2104		3034
2105	for (	3035	for (
2106	["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)],
2107	["cf::object::player" => qw(player)],	3039	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3040	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	3041	["cf::map" => qw(trigger)],
2110	) {	3042	) {
2111	no strict 'refs';	3043	no strict 'refs';
…		…
2182	=back	3114	=back
2183		3115
2184	=cut	3116	=cut
2185		3117
2186	#############################################################################	3118	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	3119	# the server's init and main functions
2260		3120
2261	sub load_resources {	3121	sub load_facedata($) {
2262	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"
2263	or die "unable to load regions file\n";#d#	3253	or die "unable to load regions file\n";
2264	}
2265		3254
2266	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 {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3298	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3299	or return;
2269		3300
2270	local $/;	3301	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3302	*CFG = YAML::Syck::Load <$fh>;
2272		3303
…		…
2282	};	3313	};
2283	warn $@ if $@;	3314	warn $@ if $@;
2284	}	3315	}
2285	}	3316	}
2286		3317
2287	sub init {
2288	load_resources;
2289	}
2290
2291	sub main {	3318	sub main {
2292	# we must not ever block the main coroutine	3319	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3320	local $Coro::idle = sub {
2294	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#
2295	(async {	3322	(async {
2296	Event::one_event;	3323	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3324	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3325	})->prio (Coro::PRIO_MAX);
2298	};	3326	};
2299		3327
2300	cfg_load;	3328	reload_config;
2301	db_init;	3329	db_init;
2302	load_extensions;	3330	load_extensions;
2303		3331
2304	$TICK_WATCHER->start;	3332	$TICK_WATCHER->start;
2305	Event::loop;	3333	EV::loop;
2306	}	3334	}
2307		3335
2308	#############################################################################	3336	#############################################################################
2309	# initialisation and cleanup	3337	# initialisation and cleanup
2310		3338
2311	# install some emergency cleanup handlers	3339	# install some emergency cleanup handlers
2312	BEGIN {	3340	BEGIN {
		3341	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3342	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3343	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2315	reentrant => 0,
2316	data => WF_AUTOCANCEL,
2317	signal => $signal,
2318	prio => 0,
2319	cb => sub {
2320	cf::cleanup "SIG$signal";	3344	cf::cleanup "SIG$signal";
2321	},
2322	);	3345	};
		3346	}
		3347	}
		3348
		3349	sub write_runtime {
		3350	my $runtime = "$LOCALDIR/runtime";
		3351
		3352	# first touch the runtime file to show we are still running:
		3353	# the fsync below can take a very very long time.
		3354
		3355	IO::AIO::aio_utime $runtime, undef, undef;
		3356
		3357	my $guard = cf::lock_acquire "write_runtime";
		3358
		3359	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3360	or return;
		3361
		3362	my $value = $cf::RUNTIME + 90 + 10;
		3363	# 10 is the runtime save interval, for a monotonic clock
		3364	# 60 allows for the watchdog to kill the server.
		3365
		3366	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3367	and return;
		3368
		3369	# always fsync - this file is important
		3370	aio_fsync $fh
		3371	and return;
		3372
		3373	# touch it again to show we are up-to-date
		3374	aio_utime $fh, undef, undef;
		3375
		3376	close $fh
		3377	or return;
		3378
		3379	aio_rename "$runtime~", $runtime
		3380	and return;
		3381
		3382	warn "runtime file written.\n";
		3383
2323	}	3384	1
2324	}	3385	}
2325		3386
2326	sub emergency_save() {	3387	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3388	my $freeze_guard = cf::freeze_mainloop;
2328		3389
…		…
2334	# and maps saved/destroyed asynchronously.	3395	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3396	warn "begin emergency player save\n";
2336	for my $login (keys %cf::PLAYER) {	3397	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3398	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3399	$pl->valid or next;
		3400	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3401	$pl->save;
2340	}	3402	}
2341	warn "end emergency player save\n";	3403	warn "end emergency player save\n";
2342		3404
2343	warn "begin emergency map save\n";	3405	warn "begin emergency map save\n";
…		…
2354	};	3416	};
2355		3417
2356	warn "leave emergency perl save\n";	3418	warn "leave emergency perl save\n";
2357	}	3419	}
2358		3420
		3421	sub post_cleanup {
		3422	my ($make_core) = @_;
		3423
		3424	warn Carp::longmess "post_cleanup backtrace"
		3425	if $make_core;
		3426	}
		3427
2359	sub reload() {	3428	sub do_reload_perl() {
2360	# can/must only be called in main	3429	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3430	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3431	warn "can only reload from main coroutine";
2363	return;	3432	return;
2364	}	3433	}
2365		3434
2366	warn "reloading...";	3435	warn "reloading...";
2367		3436
2368	warn "cancelling server ticker";	3437	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3438
		3439	cf::sync_job {
		3440	cf::write_runtime; # external watchdog should not bark
2371	cf::emergency_save;	3441	cf::emergency_save;
		3442	cf::write_runtime; # external watchdog should not bark
2372		3443
2373	eval {	3444	warn "syncing database to disk";
		3445	BDB::db_env_txn_checkpoint $DB_ENV;
		3446
2374	# if anything goes wrong in here, we should simply crash as we already saved	3447	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "cancelling all WF_AUTOCANCEL watchers";
2377	for (Event::all_watchers) {
2378	$_->cancel if $_->data & WF_AUTOCANCEL;
2379	}
2380
2381	warn "syncing database to disk";
2382	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2383		3448
2384	warn "flushing outstanding aio requests";	3449	warn "flushing outstanding aio requests";
2385	for (;;) {	3450	for (;;) {
2386	BDB::flush;	3451	BDB::flush;
2387	IO::AIO::flush;	3452	IO::AIO::flush;
2388	Coro::cede;	3453	Coro::cede_notself;
2389	last unless IO::AIO::nreqs || BDB::nreqs;	3454	last unless IO::AIO::nreqs || BDB::nreqs;
2390	warn "iterate...";	3455	warn "iterate...";
2391	}	3456	}
		3457
		3458	++$RELOAD;
2392		3459
2393	warn "cancelling all extension coros";	3460	warn "cancelling all extension coros";
2394	$_->cancel for values %EXT_CORO;	3461	$_->cancel for values %EXT_CORO;
2395	%EXT_CORO = ();	3462	%EXT_CORO = ();
2396		3463
2397	warn "removing commands";	3464	warn "removing commands";
2398	%COMMAND = ();	3465	%COMMAND = ();
2399		3466
2400	warn "removing ext commands";	3467	warn "removing ext/exti commands";
2401	%EXTCMD = ();	3468	%EXTCMD = ();
		3469	%EXTICMD = ();
2402		3470
2403	warn "unloading/nuking all extensions";	3471	warn "unloading/nuking all extensions";
2404	for my $pkg (@EXTS) {	3472	for my $pkg (@EXTS) {
2405	warn "... unloading $pkg";	3473	warn "... unloading $pkg";
2406		3474
…		…
2436	Symbol::delete_package "safe::$_"	3504	Symbol::delete_package "safe::$_"
2437	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3505	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2438		3506
2439	warn "unloading cf.pm \"a bit\"";	3507	warn "unloading cf.pm \"a bit\"";
2440	delete $INC{"cf.pm"};	3508	delete $INC{"cf.pm"};
		3509	delete $INC{"cf/pod.pm"};
2441		3510
2442	# don't, removes xs symbols, too,	3511	# don't, removes xs symbols, too,
2443	# and global variables created in xs	3512	# and global variables created in xs
2444	#Symbol::delete_package __PACKAGE__;	3513	#Symbol::delete_package __PACKAGE__;
2445		3514
…		…
2448	warn "reloading cf.pm";	3517	warn "reloading cf.pm";
2449	require cf;	3518	require cf;
2450	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3519	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2451		3520
2452	warn "loading config and database again";	3521	warn "loading config and database again";
2453	cf::cfg_load;	3522	cf::reload_config;
2454		3523
2455	warn "loading extensions";	3524	warn "loading extensions";
2456	cf::load_extensions;	3525	cf::load_extensions;
2457		3526
2458	warn "reattaching attachments to objects/players";	3527	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3528	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3529	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3530	reattach $_ for values %MAP;
		3531	warn "reattaching attachments to players";
		3532	reattach $_ for values %PLAYER;
2462		3533
2463	warn "loading reloadable resources";	3534	warn "leaving sync_job";
2464	load_resources;
2465		3535
2466	warn "restarting server ticker";	3536	1
2467		3537	} or do {
2468	$TICK_WATCHER->start;
2469	};
2470
2471	if ($@) {
2472	warn $@;	3538	warn $@;
2473	warn "error while reloading, exiting.";	3539	warn "error while reloading, exiting.";
2474	exit 1;	3540	exit 1;
2475	}	3541	};
2476		3542
2477	warn "reloaded";	3543	warn "reloaded";
2478	};	3544	};
2479		3545
2480	our $RELOAD_WATCHER; # used only during reload	3546	our $RELOAD_WATCHER; # used only during reload
2481		3547
		3548	sub reload_perl() {
		3549	# doing reload synchronously and two reloads happen back-to-back,
		3550	# coro crashes during coro_state_free->destroy here.
		3551
		3552	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3553	undef $RELOAD_WATCHER;
		3554	do_reload_perl;
		3555	};
		3556	}
		3557
2482	register_command "reload" => sub {	3558	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	3559	my ($who, $arg) = @_;
2484		3560
2485	if ($who->flag (FLAG_WIZ)) {	3561	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	3562	$who->message ("reloading server.");
2487		3563	async {
2488	# doing reload synchronously and two reloads happen back-to-back,	3564	$Coro::current->{desc} = "perl_reload";
2489	# coro crashes during coro_state_free->destroy here.
2490
2491	$RELOAD_WATCHER ||= Event->timer (
2492	reentrant => 0,
2493	after => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => sub {
2496	reload;	3565	reload_perl;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);	3566	};
2500	}	3567	}
2501	};	3568	};
2502		3569
2503	unshift @INC, $LIBDIR;	3570	unshift @INC, $LIBDIR;
2504		3571
2505	my $bug_warning = 0;	3572	my $bug_warning = 0;
2506		3573
2507	$TICK_WATCHER = Event->timer (	3574	our @WAIT_FOR_TICK;
2508	reentrant => 0,	3575	our @WAIT_FOR_TICK_BEGIN;
2509	parked => 1,	3576
2510	prio => 0,	3577	sub wait_for_tick {
2511	at => $NEXT_TICK || $TICK,	3578	return unless $TICK_WATCHER->is_active;
2512	data => WF_AUTOCANCEL,	3579	return if $Coro::current == $Coro::main;
2513	cb => sub {	3580
		3581	my $signal = new Coro::Signal;
		3582	push @WAIT_FOR_TICK, $signal;
		3583	$signal->wait;
		3584	}
		3585
		3586	sub wait_for_tick_begin {
		3587	return unless $TICK_WATCHER->is_active;
		3588	return if $Coro::current == $Coro::main;
		3589
		3590	my $signal = new Coro::Signal;
		3591	push @WAIT_FOR_TICK_BEGIN, $signal;
		3592	$signal->wait;
		3593	}
		3594
		3595	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2514	if ($Coro::current != $Coro::main) {	3596	if ($Coro::current != $Coro::main) {
2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3597	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516	unless ++$bug_warning > 10;	3598	unless ++$bug_warning > 10;
2517	return;	3599	return;
2518	}	3600	}
2519		3601
2520	$NOW = Event::time;	3602	$NOW = $tick_start = EV::now;
2521		3603
2522	cf::server_tick; # one server iteration	3604	cf::server_tick; # one server iteration
		3605
2523	$RUNTIME += $TICK;	3606	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;	3607	$NEXT_TICK += $TICK;
2525		3608
2526	$WAIT_FOR_TICK->broadcast;	3609	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3610	$NEXT_RUNTIME_WRITE = $NOW + 10;
2528		3611	Coro::async_pool {
2529	Event::sweep;	3612	$Coro::current->{desc} = "runtime saver";
2530	Coro::cede_notself;	3613	write_runtime
		3614	or warn "ERROR: unable to write runtime file: $!";
2531		3615	};
2532	# my $AFTER = Event::time;
2533	# warn $AFTER - $NOW;#d#
2534
2535	# if we are delayed by four ticks or more, skip them all
2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2537
2538	$TICK_WATCHER->at ($NEXT_TICK);
2539	$TICK_WATCHER->start;
2540	},	3616	}
2541	);	3617
		3618	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3619	$sig->send;
		3620	}
		3621	while (my $sig = shift @WAIT_FOR_TICK) {
		3622	$sig->send;
		3623	}
		3624
		3625	$LOAD = ($NOW - $tick_start) / $TICK;
		3626	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3627
		3628	_post_tick;
		3629	};
		3630	$TICK_WATCHER->priority (EV::MAXPRI);
2542		3631
2543	{	3632	{
		3633	BDB::min_parallel 8;
2544	BDB::max_poll_time $TICK * 0.1;	3634	BDB::max_poll_time $TICK * 0.1;
2545	$BDB_POLL_WATCHER = Event->io (	3635	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
2546	reentrant => 0,
2547	fd => BDB::poll_fileno,
2548	poll => 'r',
2549	prio => 0,
2550	data => WF_AUTOCANCEL,
2551	cb => \&BDB::poll_cb,
2552	);
2553	BDB::min_parallel 8;
2554		3636
2555	BDB::set_sync_prepare {	3637	BDB::set_sync_prepare {
2556	my $status;	3638	my $status;
2557	my $current = $Coro::current;	3639	my $current = $Coro::current;
2558	(	3640	(
…		…
2567	)	3649	)
2568	};	3650	};
2569		3651
2570	unless ($DB_ENV) {	3652	unless ($DB_ENV) {
2571	$DB_ENV = BDB::db_env_create;	3653	$DB_ENV = BDB::db_env_create;
		3654	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3655	| BDB::LOG_AUTOREMOVE, 1);
		3656	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3657	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2572		3658
2573	cf::sync_job {	3659	cf::sync_job {
2574	eval {	3660	eval {
2575	BDB::db_env_open	3661	BDB::db_env_open
2576	$DB_ENV,	3662	$DB_ENV,
2577	$BDB_ENV_DIR,	3663	$BDBDIR,
2578	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3664	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2579	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3665	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2580	0666;	3666	0666;
2581		3667
2582	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3668	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2583
2584	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2585	$DB_ENV->set_lk_detect;
2586	};	3669	};
2587		3670
2588	cf::cleanup "db_env_open(db): $@" if $@;	3671	cf::cleanup "db_env_open(db): $@" if $@;
2589	};	3672	};
2590	}	3673	}
		3674
		3675	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3676	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3677	};
		3678	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3679	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3680	};
		3681	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3682	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3683	};
2591	}	3684	}
2592		3685
2593	{	3686	{
2594	IO::AIO::min_parallel 8;	3687	IO::AIO::min_parallel 8;
2595		3688
2596	undef $Coro::AIO::WATCHER;	3689	undef $Coro::AIO::WATCHER;
2597	IO::AIO::max_poll_time $TICK * 0.1;	3690	IO::AIO::max_poll_time $TICK * 0.1;
2598	$AIO_POLL_WATCHER = Event->io (	3691	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
2599	reentrant => 0,
2600	fd => IO::AIO::poll_fileno,
2601	poll => 'r',
2602	prio => 6,
2603	data => WF_AUTOCANCEL,
2604	cb => \&IO::AIO::poll_cb,
2605	);
2606	}	3692	}
2607		3693
2608	$WRITE_RUNTIME_WATCHER = Event->timer (	3694	my $_log_backtrace;
2609	reentrant => 0,	3695
2610	data => WF_AUTOCANCEL,	3696	sub _log_backtrace {
2611	after => 1,	3697	my ($msg, @addr) = @_;
2612	interval => 10,	3698
2613	prio => 6, # keep it lowest so it acts like a watchdog	3699	$msg =~ s/\n//;
2614	cb => Coro::unblock_sub {	3700
2615	write_runtime	3701	# limit the # of concurrent backtraces
2616	or warn "ERROR: unable to write runtime file: $!";	3702	if ($_log_backtrace < 2) {
		3703	++$_log_backtrace;
		3704	async {
		3705	$Coro::current->{desc} = "abt $msg";
		3706
		3707	my @bt = fork_call {
		3708	@addr = map { sprintf "%x", $_ } @addr;
		3709	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3710	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3711	or die "addr2line: $!";
		3712
		3713	my @funcs;
		3714	my @res = <$fh>;
		3715	chomp for @res;
		3716	while (@res) {
		3717	my ($func, $line) = splice @res, 0, 2, ();
		3718	push @funcs, "[$func] $line";
		3719	}
		3720
		3721	@funcs
		3722	};
		3723
		3724	LOG llevInfo, "[ABT] $msg\n";
		3725	LOG llevInfo, "[ABT] $_\n" for @bt;
		3726	--$_log_backtrace;
		3727	};
		3728	} else {
		3729	LOG llevInfo, "[ABT] $msg\n";
		3730	LOG llevInfo, "[ABT] [suppressed]\n";
2617	},	3731	}
2618	);	3732	}
		3733
		3734	# load additional modules
		3735	use cf::pod;
2619		3736
2620	END { cf::emergency_save }	3737	END { cf::emergency_save }
2621		3738
2622	1	3739	1
2623		3740

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