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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.215 by root, Thu Feb 15 03:19:02 2007 UTC vs.
Revision 1.401 by root, Mon Dec 17 06:45:53 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 4.32 ();
		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::BDB;
		24	use Coro::Storable;
		25	use Coro::Util ();
19		26
		27	use JSON::XS 2.01 ();
20	use BDB ();	28	use BDB ();
21	use Data::Dumper;	29	use Data::Dumper;
22	use Digest::MD5;	30	use Digest::MD5;
23	use Fcntl;	31	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	32	use YAML::Syck ();
		33	use IO::AIO 2.51 ();
26	use Time::HiRes;	34	use Time::HiRes;
27	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
28		37
		38	# configure various modules to our taste
		39	#
		40	$Storable::canonical = 1; # reduce rsync transfers
		41	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	42	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		43
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
37		46
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
40	our %COMMAND = ();	51	our %COMMAND = ();
41	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
42		53
43	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
47		59
		60	our $RELOAD; # number of reloads so far
48	our @EVENT;	61	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		62
51	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	76	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	79	our $NEXT_TICK;
56	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;
		92	our $NOW;
66		93
67	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	96	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		97
76	# used to convert map paths into valid unix filenames by replacing / by ∕	98	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		100
		101	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		102	our $LOADAVG; # same thing, but with alpha-smoothing
		103	our $tick_start; # for load detecting purposes
		104
79	binmode STDOUT;	105	binmode STDOUT;
80	binmode STDERR;	106	binmode STDERR;
81		107
82	# read virtual server time, if available	108	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
87	}	113	}
88		114
89	mkdir cf::localdir;	115	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	116	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		117
96	our $EMERGENCY_POSITION;	118	our $EMERGENCY_POSITION;
97		119
98	sub cf::map::normalise;	120	sub cf::map::normalise;
99		121
…		…
110	=item $cf::RUNTIME	132	=item $cf::RUNTIME
111		133
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	134	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	135	every server tick.
114		136
115	=item $cf::LIBDIR	137	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		138	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		139	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		140
117	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	142	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		143	unique-items directory, player file directory, random maps directory and
		144	database environment.
119		145
120	=item $cf::NOW	146	=item $cf::NOW
121		147
122	The time of the last (current) server tick.	148	The time of the last (current) server tick.
123		149
124	=item $cf::TICK	150	=item $cf::TICK
125		151
126	The interval between server ticks, in seconds.	152	The interval between server ticks, in seconds.
127		153
		154	=item $cf::LOADAVG
		155
		156	The current CPU load on the server (alpha-smoothed), as a value between 0
		157	(none) and 1 (overloaded), indicating how much time is spent on processing
		158	objects per tick. Healthy values are < 0.5.
		159
		160	=item $cf::LOAD
		161
		162	The raw value load value from the last tick.
		163
128	=item %cf::CFG	164	=item %cf::CFG
129		165
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	167	from wherever your confdir points to.
132		168
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		170
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	171	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	172	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	173	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.	174
		175	=item @cf::INVOKE_RESULTS
		176
		177	This array contains the results of the last C<invoke ()> call. When
		178	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		179	that call.
139		180
140	=back	181	=back
141		182
142	=cut	183	=cut
143		184
144	BEGIN {	185	BEGIN {
145	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	187	my $msg = join "", @_;
147	utf8::encode $msg;
148		188
149	$msg .= "\n"	189	$msg .= "\n"
150	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151		193
152	LOG llevError, $msg;	194	LOG llevError, $msg;
153	};	195	};
154	}	196	}
155		197
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	202	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		203	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	204	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		205
163	# we bless all objects into (empty) derived classes to force a method lookup	206	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	207	# within the Safe compartment.
165	for my $pkg (qw(	208	for my $pkg (qw(
166	cf::global cf::attachable	209	cf::global cf::attachable
…		…
171	)) {	214	)) {
172	no strict 'refs';	215	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	217	}
175		218
176	$Event::DIED = sub {	219	$EV::DIED = sub {
177	warn "error in event callback: @_";	220	warn "error in event callback: @_";
178	};	221	};
		222
		223	#############################################################################
179		224
180	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
181		226
182	=over 4	227	=over 4
183		228
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	247	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	248	$d
204	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
205	}	250	}
206		251
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	252	=item $ref = cf::decode_json $json
210		253
211	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
212		255
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	256	=item $json = cf::encode_json $ref
221		257
222	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
223		259
224	=cut	260	=cut
225		261
226	sub to_json($) {	262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	263
228	JSON::Syck::Dump $_[0]	264	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	265	sub decode_json($) { $json_coder->decode ($_[0]) }
230		266
231	=item cf::lock_wait $string	267	=item cf::lock_wait $string
232		268
233	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
234		270
…		…
237	Wait until the given lock is available and then acquires it and returns	273	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,	274	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	275	for example when the coroutine gets canceled), the lock is automatically
240	returned.	276	returned.
241		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
242	Lock names should begin with a unique identifier (for example, cf::map::find	281	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
244		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
245	=cut	288	=cut
246		289
247	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
248		292
249	sub lock_wait($) {	293	sub lock_wait($) {
250	my ($key) = @_;	294	my ($key) = @_;
		295
		296	if ($LOCKER{$key} == $Coro::current) {#d#
		297	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		298	return;#d#
		299	}#d#
251		300
252	# wait for lock, if any	301	# wait for lock, if any
253	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	304	Coro::schedule;
…		…
261		310
262	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
263	lock_wait $key;	312	lock_wait $key;
264		313
265	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
266		316
267	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
270	}	321	}
		322	}
		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
271	}	328	}
272		329
273	sub freeze_mainloop {	330	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
275		332
…		…
278	};	335	};
279	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
280	$guard	337	$guard
281	}	338	}
282		339
		340	=item cf::periodic $interval, $cb
		341
		342	Like EV::periodic, but randomly selects a starting point so that the actions
		343	get spread over timer.
		344
		345	=cut
		346
		347	sub periodic($$) {
		348	my ($interval, $cb) = @_;
		349
		350	my $start = rand List::Util::min 180, $interval;
		351
		352	EV::periodic $start, $interval, 0, $cb
		353	}
		354
		355	=item cf::get_slot $time[, $priority[, $name]]
		356
		357	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		358	This call blocks and returns only when you have at least C<$time> seconds
		359	of cpu time till the next tick. The slot is only valid till the next cede.
		360
		361	The optional C<$name> can be used to identify the job to run. It might be
		362	used for statistical purposes and should identify the same time-class.
		363
		364	Useful for short background jobs.
		365
		366	=cut
		367
		368	our @SLOT_QUEUE;
		369	our $SLOT_QUEUE;
		370
		371	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		372	$SLOT_QUEUE = Coro::async {
		373	$Coro::current->desc ("timeslot manager");
		374
		375	my $signal = new Coro::Signal;
		376
		377	while () {
		378	next_job:
		379	my $avail = cf::till_tick;
		380	if ($avail > 0.01) {
		381	for (0 .. $#SLOT_QUEUE) {
		382	if ($SLOT_QUEUE[$_][0] < $avail) {
		383	my $job = splice @SLOT_QUEUE, $_, 1, ();
		384	$job->[2]->send;
		385	Coro::cede;
		386	goto next_job;
		387	}
		388	}
		389	}
		390
		391	if (@SLOT_QUEUE) {
		392	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		393	push @cf::WAIT_FOR_TICK, $signal;
		394	$signal->wait;
		395	} else {
		396	Coro::schedule;
		397	}
		398	}
		399	};
		400
		401	sub get_slot($;$$) {
		402	my ($time, $pri, $name) = @_;
		403
		404	$time = $TICK * .6 if $time > $TICK * .6;
		405	my $sig = new Coro::Signal;
		406
		407	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		408	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		409	$SLOT_QUEUE->ready;
		410	$sig->wait;
		411	}
		412
283	=item cf::async { BLOCK }	413	=item cf::async { BLOCK }
284		414
285	Currently the same as Coro::async_pool, meaning you cannot use	415	Currently the same as Coro::async_pool, meaning you cannot use
286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	416	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287	thing you are allowed to do is call C<prio> on it.	417	thing you are allowed to do is call C<prio> on it.
…		…
290		420
291	BEGIN { *async = \&Coro::async_pool }	421	BEGIN { *async = \&Coro::async_pool }
292		422
293	=item cf::sync_job { BLOCK }	423	=item cf::sync_job { BLOCK }
294		424
295	The design of crossfire+ requires that the main coro ($Coro::main) is	425	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	426	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	427	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		428	acceptable.
298		429
299	If it must be done, put the blocking parts into C<sync_job>. This will run	430	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	431	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	432	server will be frozen during this time, so the block should either finish
302	fast or be very important.	433	fast or be very important.
…		…
305		436
306	sub sync_job(&) {	437	sub sync_job(&) {
307	my ($job) = @_;	438	my ($job) = @_;
308		439
309	if ($Coro::current == $Coro::main) {	440	if ($Coro::current == $Coro::main) {
		441	my $time = EV::time;
		442
310	# this is the main coro, too bad, we have to block	443	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	444	# till the operation succeeds, freezing the server :/
312		445
		446	LOG llevError, Carp::longmess "sync job";#d#
		447
313	# TODO: use suspend/resume instead	448	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	449	# (but this is cancel-safe)
315	my $freeze_guard = freeze_mainloop;	450	my $freeze_guard = freeze_mainloop;
316		451
317	my $busy = 1;	452	my $busy = 1;
318	my @res;	453	my @res;
319		454
320	(async {	455	(async {
		456	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	457	@res = eval { $job->() };
322	warn $@ if $@;	458	warn $@ if $@;
323	undef $busy;	459	undef $busy;
324	})->prio (Coro::PRIO_MAX);	460	})->prio (Coro::PRIO_MAX);
325		461
326	while ($busy) {	462	while ($busy) {
327	Coro::cede or Event::one_event;	463	if (Coro::nready) {
		464	Coro::cede_notself;
		465	} else {
		466	EV::loop EV::LOOP_ONESHOT;
328	}	467	}
		468	}
		469
		470	$time = EV::time - $time;
		471
		472	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		473	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		474
		475	$tick_start += $time; # do not account sync jobs to server load
329		476
330	wantarray ? @res : $res[0]	477	wantarray ? @res : $res[0]
331	} else {	478	} else {
332	# we are in another coroutine, how wonderful, everything just works	479	# we are in another coroutine, how wonderful, everything just works
333		480
…		…
353	$EXT_CORO{$coro+0} = $coro;	500	$EXT_CORO{$coro+0} = $coro;
354		501
355	$coro	502	$coro
356	}	503	}
357		504
358	sub write_runtime {	505	=item fork_call { }, $args
359	my $runtime = cf::localdir . "/runtime";
360		506
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	507	Executes the given code block with the given arguments in a seperate
362	or return;	508	process, returning the results. Everything must be serialisable with
		509	Coro::Storable. May, of course, block. Note that the executed sub may
		510	never block itself or use any form of event handling.
363		511
364	my $value = $cf::RUNTIME + 90 + 10;	512	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		513
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	514	sub fork_call(&@) {
369	and return;	515	my ($cb, @args) = @_;
370		516
371	# always fsync - this file is important	517	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	518	# otherwise perl prematurely frees the stuff :/
373	and return;	519	# TODO: investigate and fix (likely this will be rather laborious)
374		520
375	close $fh	521	my @res = Coro::Util::fork_eval {
376	or return;	522	reset_signals;
		523	&$cb
		524	}, @args;
377		525
378	aio_rename "$runtime~", $runtime	526	wantarray ? @res : $res[-1]
379	and return;	527	}
380		528
		529	=item $value = cf::db_get $family => $key
		530
		531	Returns a single value from the environment database.
		532
		533	=item cf::db_put $family => $key => $value
		534
		535	Stores the given C<$value> in the family. It can currently store binary
		536	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		537
		538	=item $db = cf::db_table "name"
		539
		540	Create and/or open a new database table. The string must not be "db" and must be unique
		541	within each server.
		542
		543	=cut
		544
		545	sub db_table($) {
		546	my ($name) = @_;
		547	my $db = BDB::db_create $DB_ENV;
		548
		549	eval {
		550	$db->set_flags (BDB::CHKSUM);
		551
		552	utf8::encode $name;
		553	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		554	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		555	cf::cleanup "db_open(db): $!" if $!;
		556	};
		557	cf::cleanup "db_open(db): $@" if $@;
		558
		559	$db
		560	}
		561
		562	our $DB;
		563
		564	sub db_init {
		565	cf::sync_job {
		566	$DB ||= db_table "db";
		567	};
		568	}
		569
		570	sub db_get($$) {
		571	my $key = "$_[0]/$_[1]";
		572
		573	cf::sync_job {
		574	BDB::db_get $DB, undef, $key, my $data;
		575
		576	$! ? ()
		577	: $data
381	1	578	}
		579	}
		580
		581	sub db_put($$$) {
		582	BDB::dbreq_pri 4;
		583	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		584	}
		585
		586	=item cf::cache $id => [$paths...], $processversion => $process
		587
		588	Generic caching function that returns the value of the resource $id,
		589	caching and regenerating as required.
		590
		591	This function can block.
		592
		593	=cut
		594
		595	sub cache {
		596	my ($id, $src, $processversion, $process) = @_;
		597
		598	my $meta =
		599	join "\x00",
		600	$processversion,
		601	map {
		602	aio_stat $_
		603	and Carp::croak "$_: $!";
		604
		605	($_, (stat _)[7,9])
		606	} @$src;
		607
		608	my $dbmeta = db_get cache => "$id/meta";
		609	if ($dbmeta ne $meta) {
		610	# changed, we may need to process
		611
		612	my @data;
		613	my $md5;
		614
		615	for (0 .. $#$src) {
		616	0 <= aio_load $src->[$_], $data[$_]
		617	or Carp::croak "$src->[$_]: $!";
		618	}
		619
		620	# if processing is expensive, check
		621	# checksum first
		622	if (1) {
		623	$md5 =
		624	join "\x00",
		625	$processversion,
		626	map {
		627	cf::cede_to_tick;
		628	($src->[$_], Digest::MD5::md5_hex $data[$_])
		629	} 0.. $#$src;
		630
		631
		632	my $dbmd5 = db_get cache => "$id/md5";
		633	if ($dbmd5 eq $md5) {
		634	db_put cache => "$id/meta", $meta;
		635
		636	return db_get cache => "$id/data";
		637	}
		638	}
		639
		640	my $t1 = Time::HiRes::time;
		641	my $data = $process->(\@data);
		642	my $t2 = Time::HiRes::time;
		643
		644	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		645
		646	db_put cache => "$id/data", $data;
		647	db_put cache => "$id/md5" , $md5;
		648	db_put cache => "$id/meta", $meta;
		649
		650	return $data;
		651	}
		652
		653	db_get cache => "$id/data"
		654	}
		655
		656	=item cf::datalog type => key => value, ...
		657
		658	Log a datalog packet of the given type with the given key-value pairs.
		659
		660	=cut
		661
		662	sub datalog($@) {
		663	my ($type, %kv) = @_;
		664	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
382	}	665	}
383		666
384	=back	667	=back
385		668
386	=cut	669	=cut
…		…
393	attach callbacks/event handlers (a collection of which is called an "attachment")	676	attach callbacks/event handlers (a collection of which is called an "attachment")
394	to it. All such attachable objects support the following methods.	677	to it. All such attachable objects support the following methods.
395		678
396	In the following description, CLASS can be any of C<global>, C<object>	679	In the following description, CLASS can be any of C<global>, C<object>
397	C<player>, C<client> or C<map> (i.e. the attachable objects in	680	C<player>, C<client> or C<map> (i.e. the attachable objects in
398	crossfire+).	681	Deliantra).
399		682
400	=over 4	683	=over 4
401		684
402	=item $attachable->attach ($attachment, key => $value...)	685	=item $attachable->attach ($attachment, key => $value...)
403		686
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	849	$registry = $CB_TYPE[$object_type] ||= [];
567		850
568	} elsif ($type eq "subtype") {	851	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	852	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	853	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	854	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		855
573	} elsif ($type eq "package") {	856	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	857	my $pkg = shift @arg;
575		858
576	while (my ($name, $id) = each %cb_id) {	859	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	888	_attach $registry, $klass, @attach;
606	}	889	}
607		890
608	$obj->{$name} = \%arg;	891	$obj->{$name} = \%arg;
609	} else {	892	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	893	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	894	}
612		895
613	$obj->{_attachment}{$name} = undef;	896	$obj->{_attachment}{$name} = undef;
614	}	897	}
615		898
…		…
617	if (ref $_[0]) {	900	if (ref $_[0]) {
618	_object_attach @_;	901	_object_attach @_;
619	} else {	902	} else {
620	_attach shift->_attach_registry, @_;	903	_attach shift->_attach_registry, @_;
621	}	904	}
		905	_recalc_want;
622	};	906	};
623		907
624	# all those should be optimised	908	# all those should be optimised
625	sub cf::attachable::detach {	909	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	910	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	913	delete $obj->{_attachment}{$name};
630	reattach ($obj);	914	reattach ($obj);
631	} else {	915	} else {
632	Carp::croak "cannot, currently, detach class attachments";	916	Carp::croak "cannot, currently, detach class attachments";
633	}	917	}
		918	_recalc_want;
634	};	919	};
635		920
636	sub cf::attachable::attached {	921	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	922	my ($obj, $name) = @_;
638		923
…		…
653	";	938	";
654	die if $@;	939	die if $@;
655	}	940	}
656		941
657	our $override;	942	our $override;
658	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	943	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
659		944
660	sub override {	945	sub override {
661	$override = 1;	946	$override = 1;
662	@invoke_results = ();	947	@INVOKE_RESULTS = (@_);
663	}	948	}
664		949
665	sub do_invoke {	950	sub do_invoke {
666	my $event = shift;	951	my $event = shift;
667	my $callbacks = shift;	952	my $callbacks = shift;
668		953
669	@invoke_results = ();	954	@INVOKE_RESULTS = ();
670		955
671	local $override;	956	local $override;
672		957
673	for (@$callbacks) {	958	for (@$callbacks) {
674	eval { &{$_->[1]} };	959	eval { &{$_->[1]} };
…		…
691		976
692	Generate an object-specific event with the given arguments.	977	Generate an object-specific event with the given arguments.
693		978
694	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	979	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
695	removed in future versions), and there is no public API to access override	980	removed in future versions), and there is no public API to access override
696	results (if you must, access C<@cf::invoke_results> directly).	981	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		982
698	=back	983	=back
699		984
700	=cut	985	=cut
701		986
702	#############################################################################	987	#############################################################################
703	# object support	988	# object support
		989
		990	sub _object_equal($$);
		991	sub _object_equal($$) {
		992	my ($a, $b) = @_;
		993
		994	return 0 unless (ref $a) eq (ref $b);
		995
		996	if ("HASH" eq ref $a) {
		997	my @ka = keys %$a;
		998	my @kb = keys %$b;
		999
		1000	return 0 if @ka != @kb;
		1001
		1002	for (0 .. $#ka) {
		1003	return 0 unless $ka[$_] eq $kb[$_];
		1004	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1005	}
		1006
		1007	} elsif ("ARRAY" eq ref $a) {
		1008
		1009	return 0 if @$a != @$b;
		1010
		1011	for (0 .. $#$a) {
		1012	return 0 unless _object_equal $a->[$_], $b->[$_];
		1013	}
		1014
		1015	} elsif ($a ne $b) {
		1016	return 0;
		1017	}
		1018
		1019	1
		1020	}
		1021
		1022	our $SLOW_MERGES;#d#
		1023	sub _can_merge {
		1024	my ($ob1, $ob2) = @_;
		1025
		1026	++$SLOW_MERGES;#d#
		1027
		1028	# we do the slow way here
		1029	return _object_equal $ob1, $ob2
		1030	}
704		1031
705	sub reattach {	1032	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1033	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1034	my ($obj) = @_;
708		1035
…		…
729	cf::attachable->attach (	1056	cf::attachable->attach (
730	prio => -1000000,	1057	prio => -1000000,
731	on_instantiate => sub {	1058	on_instantiate => sub {
732	my ($obj, $data) = @_;	1059	my ($obj, $data) = @_;
733		1060
734	$data = from_json $data;	1061	$data = decode_json $data;
735		1062
736	for (@$data) {	1063	for (@$data) {
737	my ($name, $args) = @$_;	1064	my ($name, $args) = @$_;
738		1065
739	$obj->attach ($name, %{$args || {} });	1066	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1082	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1083	my ($filename, $rdata, $objs) = @_;
757		1084
758	sync_job {	1085	sync_job {
759	if (length $$rdata) {	1086	if (length $$rdata) {
		1087	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1088	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1089	$decname, length $$rdata, scalar @$objs;
762		1090
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1091	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1092	chmod SAVE_MODE, $fh;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1093	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1094	aio_fsync $fh if $cf::USE_FSYNC;
767	close $fh;	1095	close $fh;
768		1096
769	if (@$objs) {	1097	if (@$objs) {
770	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1098	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1099	chmod SAVE_MODE, $fh;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1100	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1101	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1102	aio_fsync $fh if $cf::USE_FSYNC;
775	close $fh;	1103	close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1104	aio_rename "$filename.pst~", "$filename.pst";
777	}	1105	}
…		…
785	}	1113	}
786	} else {	1114	} else {
787	aio_unlink $filename;	1115	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1116	aio_unlink "$filename.pst";
789	}	1117	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1118	};
797	}	1119	}
798		1120
799	sub object_freezer_as_string {	1121	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1122	my ($rdata, $objs) = @_;
801		1123
…		…
806		1128
807	sub object_thawer_load {	1129	sub object_thawer_load {
808	my ($filename) = @_;	1130	my ($filename) = @_;
809		1131
810	my ($data, $av);	1132	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1133
815	(aio_load $filename, $data) >= 0	1134	(aio_load $filename, $data) >= 0
816	or return;	1135	or return;
817		1136
818	unless (aio_stat "$filename.pst") {	1137	unless (aio_stat "$filename.pst") {
819	(aio_load "$filename.pst", $av) >= 0	1138	(aio_load "$filename.pst", $av) >= 0
820	or return;	1139	or return;
		1140
821	$av = eval { (Storable::thaw $av)->{objs} };	1141	my $st = eval { Coro::Storable::thaw $av };
		1142	$av = $st->{objs};
822	}	1143	}
823		1144
		1145	utf8::decode (my $decname = $filename);
824	warn sprintf "loading %s (%d)\n",	1146	warn sprintf "loading %s (%d,%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1147	$decname, length $data, scalar @{$av || []};
		1148
826	return ($data, $av);	1149	($data, $av)
827	}	1150	}
		1151
		1152	=head2 COMMAND CALLBACKS
		1153
		1154	=over 4
		1155
		1156	=cut
828		1157
829	#############################################################################	1158	#############################################################################
830	# command handling &c	1159	# command handling &c
831		1160
832	=item cf::register_command $name => \&callback($ob,$args);	1161	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1174	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1175	}
847		1176
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1177	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1178
850	Register a callbackf ro execution when the client sends an extcmd packet.	1179	Register a callback for execution when the client sends an (synchronous)
		1180	extcmd packet. Ext commands will be processed in the order they are
		1181	received by the server, like other user commands. The first argument is
		1182	the logged-in player. Ext commands can only be processed after a player
		1183	has logged in successfully.
851		1184
852	If the callback returns something, it is sent back as if reply was being	1185	If the callback returns something, it is sent back as if reply was being
853	called.	1186	called.
854		1187
		1188	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1189
		1190	Register a callback for execution when the client sends an (asynchronous)
		1191	exticmd packet. Exti commands are processed by the server as soon as they
		1192	are received, i.e. out of order w.r.t. other commands. The first argument
		1193	is a client socket. Exti commands can be received anytime, even before
		1194	log-in.
		1195
		1196	If the callback returns something, it is sent back as if reply was being
		1197	called.
		1198
855	=cut	1199	=cut
856		1200
857	sub register_extcmd {	1201	sub register_extcmd {
858	my ($name, $cb) = @_;	1202	my ($name, $cb) = @_;
859		1203
860	$EXTCMD{$name} = $cb;	1204	$EXTCMD{$name} = $cb;
		1205	}
		1206
		1207	sub register_exticmd {
		1208	my ($name, $cb) = @_;
		1209
		1210	$EXTICMD{$name} = $cb;
861	}	1211	}
862		1212
863	cf::player->attach (	1213	cf::player->attach (
864	on_command => sub {	1214	on_command => sub {
865	my ($pl, $name, $params) = @_;	1215	my ($pl, $name, $params) = @_;
…		…
874	cf::override;	1224	cf::override;
875	},	1225	},
876	on_extcmd => sub {	1226	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1227	my ($pl, $buf) = @_;
878		1228
879	my $msg = eval { from_json $buf };	1229	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1230
881	if (ref $msg) {	1231	if (ref $msg) {
		1232	my ($type, $reply, @payload) =
		1233	"ARRAY" eq ref $msg
		1234	? @$msg
		1235	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1236
		1237	my @reply;
		1238
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1239	if (my $cb = $EXTCMD{$type}) {
883	if (my %reply = $cb->($pl, $msg)) {	1240	@reply = $cb->($pl, @payload);
884	$pl->ext_reply ($msg->{msgid}, %reply);
885	}
886	}	1241	}
		1242
		1243	$pl->ext_reply ($reply, @reply)
		1244	if $reply;
		1245
887	} else {	1246	} else {
888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1247	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889	}	1248	}
890		1249
891	cf::override;	1250	cf::override;
892	},	1251	},
893	);	1252	);
894		1253
895	sub load_extension {
896	my ($path) = @_;
897
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
899	my $base = $1;
900	my $pkg = $1;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}
923	die $@;
924	}
925
926	push @EXTS, $pkg;
927	}
928
929	sub load_extensions {	1254	sub load_extensions {
		1255	cf::sync_job {
		1256	my %todo;
		1257
930	for my $ext (<$LIBDIR/*.ext>) {	1258	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1259	next unless -r $path;
932	eval {	1260
933	load_extension $ext;	1261	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1262	my $base = $1;
		1263	my $pkg = $1;
		1264	$pkg =~ s/[^[:word:]]/_/g;
		1265	$pkg = "ext::$pkg";
		1266
		1267	open my $fh, "<:utf8", $path
		1268	or die "$path: $!";
		1269
		1270	my $source = do { local $/; <$fh> };
		1271
		1272	my %ext = (
		1273	path => $path,
		1274	base => $base,
		1275	pkg => $pkg,
		1276	);
		1277
		1278	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1279	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1280
		1281	$ext{source} =
		1282	"package $pkg; use strict; use utf8;\n"
		1283	. "#line 1 \"$path\"\n{\n"
		1284	. $source
		1285	. "\n};\n1";
		1286
		1287	$todo{$base} = \%ext;
		1288	}
		1289
		1290	my %done;
		1291	while (%todo) {
		1292	my $progress;
		1293
		1294	while (my ($k, $v) = each %todo) {
		1295	for (split /,\s*/, $v->{meta}{depends}) {
		1296	goto skip
		1297	unless exists $done{$_};
		1298	}
		1299
		1300	warn "... loading '$k' into '$v->{pkg}'\n";
		1301
		1302	unless (eval $v->{source}) {
		1303	my $msg = $@ ? "$v->{path}: $@\n"
		1304	: "$v->{base}: extension inactive.\n";
		1305
		1306	if (exists $v->{meta}{mandatory}) {
		1307	warn $msg;
		1308	warn "mandatory extension failed to load, exiting.\n";
		1309	exit 1;
		1310	}
		1311
		1312	warn $msg;
		1313	}
		1314
		1315	$done{$k} = delete $todo{$k};
		1316	push @EXTS, $v->{pkg};
		1317	$progress = 1;
934	1	1318	}
935	} or warn "$ext not loaded: $@";	1319
		1320	skip:
		1321	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1322	unless $progress;
		1323	}
936	}	1324	};
937	}	1325	}
938		1326
939	#############################################################################	1327	#############################################################################
940		1328
		1329	=back
		1330
941	=head2 CORE EXTENSIONS	1331	=head2 CORE EXTENSIONS
942		1332
943	Functions and methods that extend core crossfire objects.	1333	Functions and methods that extend core crossfire objects.
944		1334
945	=cut	1335	=cut
…		…
950		1340
951	=head3 cf::player	1341	=head3 cf::player
952		1342
953	=over 4	1343	=over 4
954		1344
		1345	=item cf::player::num_playing
		1346
		1347	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1348
		1349	=cut
		1350
		1351	sub num_playing {
		1352	scalar grep
		1353	$_->ob->map
		1354	&& !$_->hidden
		1355	&& !$_->ob->flag (cf::FLAG_WIZ),
		1356	cf::player::list
		1357	}
		1358
955	=item cf::player::find $login	1359	=item cf::player::find $login
956		1360
957	Returns the given player object, loading it if necessary (might block).	1361	Returns the given player object, loading it if necessary (might block).
958		1362
959	=cut	1363	=cut
960		1364
961	sub playerdir($) {	1365	sub playerdir($) {
962	cf::localdir	1366	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1367	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1368	}
968		1369
969	sub path($) {	1370	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1371	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1372
972	(playerdir $login) . "/$login.pl"	1373	(playerdir $login) . "/playerdata"
973	}	1374	}
974		1375
975	sub find_active($) {	1376	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1377	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1378	and $cf::PLAYER{$_[0]}->active
…		…
990	my $login = $_[0];	1391	my $login = $_[0];
991		1392
992	my $guard = cf::lock_acquire "user_find:$login";	1393	my $guard = cf::lock_acquire "user_find:$login";
993		1394
994	$cf::PLAYER{$_[0]} || do {	1395	$cf::PLAYER{$_[0]} || do {
995	my $pl = load_pl path $login	1396	# rename old playerfiles to new ones
		1397	#TODO: remove when no longer required
		1398	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1399	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1400	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1401	aio_unlink +(playerdir $login) . "/$login.pl";
		1402
		1403	my $f = new_from_file cf::object::thawer path $login
996	or return;	1404	or return;
		1405
		1406	my $pl = cf::player::load_pl $f
		1407	or return;
		1408	local $cf::PLAYER_LOADING{$login} = $pl;
		1409	$f->resolve_delayed_derefs;
997	$cf::PLAYER{$login} = $pl	1410	$cf::PLAYER{$login} = $pl
998	}	1411	}
999	}	1412	}
1000	}	1413	}
1001		1414
…		…
1011		1424
1012	aio_mkdir playerdir $pl, 0770;	1425	aio_mkdir playerdir $pl, 0770;
1013	$pl->{last_save} = $cf::RUNTIME;	1426	$pl->{last_save} = $cf::RUNTIME;
1014		1427
1015	$pl->save_pl ($path);	1428	$pl->save_pl ($path);
1016	Coro::cede;	1429	cf::cede_to_tick;
1017	}	1430	}
1018		1431
1019	sub new($) {	1432	sub new($) {
1020	my ($login) = @_;	1433	my ($login) = @_;
1021		1434
…		…
1027	$cf::PLAYER{$login} = $self;	1440	$cf::PLAYER{$login} = $self;
1028		1441
1029	$self	1442	$self
1030	}	1443	}
1031		1444
		1445	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1446
		1447	=cut
		1448
		1449	sub send_msg {
		1450	my $ns = shift->ns
		1451	or return;
		1452	$ns->send_msg (@_);
		1453	}
		1454
1032	=item $pl->quit_character	1455	=item $pl->quit_character
1033		1456
1034	Nukes the player without looking back. If logged in, the connection will	1457	Nukes the player without looking back. If logged in, the connection will
1035	be destroyed. May block for a long time.	1458	be destroyed. May block for a long time.
1036		1459
1037	=cut	1460	=cut
1038		1461
1039	sub quit_character {	1462	sub quit_character {
1040	my ($pl) = @_;	1463	my ($pl) = @_;
		1464
		1465	my $name = $pl->ob->name;
1041		1466
1042	$pl->{deny_save} = 1;	1467	$pl->{deny_save} = 1;
1043	$pl->password ("*"); # this should lock out the player until we nuked the dir	1468	$pl->password ("*"); # this should lock out the player until we nuked the dir
1044		1469
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1470	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1050	my $path = playerdir $pl;	1475	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1476	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1477	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1478	delete $cf::PLAYER{$pl->ob->name};
1054	$pl->destroy;	1479	$pl->destroy;
		1480
		1481	my $prefix = qr<^~\Q$name\E/>;
		1482
		1483	# nuke player maps
		1484	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1485
1055	IO::AIO::aio_rmtree $temp;	1486	IO::AIO::aio_rmtree $temp;
		1487	}
		1488
		1489	=item $pl->kick
		1490
		1491	Kicks a player out of the game. This destroys the connection.
		1492
		1493	=cut
		1494
		1495	sub kick {
		1496	my ($pl, $kicker) = @_;
		1497
		1498	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1499	$pl->killer ("kicked");
		1500	$pl->ns->destroy;
1056	}	1501	}
1057		1502
1058	=item cf::player::list_logins	1503	=item cf::player::list_logins
1059		1504
1060	Returns am arrayref of all valid playernames in the system, can take a	1505	Returns am arrayref of all valid playernames in the system, can take a
1061	while and may block, so not sync_job-capable, ever.	1506	while and may block, so not sync_job-capable, ever.
1062		1507
1063	=cut	1508	=cut
1064		1509
1065	sub list_logins {	1510	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1511	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1512	or return [];
1068		1513
1069	my @logins;	1514	my @logins;
1070		1515
1071	for my $login (@$dirs) {	1516	for my $login (@$dirs) {
		1517	my $path = path $login;
		1518
		1519	# a .pst is a dead give-away for a valid player
		1520	unless (-e "$path.pst") {
1072	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1521	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1073	aio_read $fh, 0, 512, my $buf, 0 or next;	1522	aio_read $fh, 0, 512, my $buf, 0 or next;
1074	$buf !~ /^password -------------$/m or next; # official not-valid tag	1523	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1524	}
1075		1525
1076	utf8::decode $login;	1526	utf8::decode $login;
1077	push @logins, $login;	1527	push @logins, $login;
1078	}	1528	}
1079		1529
…		…
1106	}	1556	}
1107		1557
1108	\@paths	1558	\@paths
1109	}	1559	}
1110		1560
		1561	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1562
		1563	Expand crossfire pod fragments into protocol xml.
		1564
		1565	=cut
		1566
		1567	use re 'eval';
		1568
		1569	my $group;
		1570	my $interior; $interior = qr{
		1571	# match a pod interior sequence sans C<< >>
		1572	(?:
		1573	\ (.*?)\ (?{ $group = $^N })
		1574	| < (??{$interior}) >
		1575	)
		1576	}x;
		1577
		1578	sub expand_cfpod {
		1579	my ($self, $pod) = @_;
		1580
		1581	my $xml;
		1582
		1583	while () {
		1584	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1585	$group = $1;
		1586
		1587	$group =~ s/&/&amp;/g;
		1588	$group =~ s/</&lt;/g;
		1589
		1590	$xml .= $group;
		1591	} elsif ($pod =~ m%\G
		1592	([BCGHITU])
		1593	<
		1594	(?:
		1595	([^<>]*) (?{ $group = $^N })
		1596	| < $interior >
		1597	)
		1598	>
		1599	%gcsx
		1600	) {
		1601	my ($code, $data) = ($1, $group);
		1602
		1603	if ($code eq "B") {
		1604	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1605	} elsif ($code eq "I") {
		1606	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1607	} elsif ($code eq "U") {
		1608	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1609	} elsif ($code eq "C") {
		1610	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1611	} elsif ($code eq "T") {
		1612	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1613	} elsif ($code eq "G") {
		1614	my ($male, $female) = split /\|/, $data;
		1615	$data = $self->gender ? $female : $male;
		1616	$xml .= expand_cfpod ($self, $data);
		1617	} elsif ($code eq "H") {
		1618	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1619	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1620	"")
		1621	[$self->{hintmode}];
		1622	} else {
		1623	$xml .= "error processing '$code($data)' directive";
		1624	}
		1625	} else {
		1626	if ($pod =~ /\G(.+)/) {
		1627	warn "parse error while expanding $pod (at $1)";
		1628	}
		1629	last;
		1630	}
		1631	}
		1632
		1633	for ($xml) {
		1634	# create single paragraphs (very hackish)
		1635	s/(?<=\S)\n(?=\w)/ /g;
		1636
		1637	# compress some whitespace
		1638	s/\s+\n/\n/g; # ws line-ends
		1639	s/\n\n+/\n/g; # double lines
		1640	s/^\n+//; # beginning lines
		1641	s/\n+$//; # ending lines
		1642	}
		1643
		1644	$xml
		1645	}
		1646
		1647	no re 'eval';
		1648
		1649	sub hintmode {
		1650	$_[0]{hintmode} = $_[1] if @_ > 1;
		1651	$_[0]{hintmode}
		1652	}
		1653
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1112		1655
1113	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1114		1657
1115	=cut	1658	=cut
1116		1659
1117	sub ext_reply($$$%) {	1660	sub ext_reply($$@) {
1118	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1119		1662
1120	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1121
1122	$self->send ("ext " . cf::to_json \%msg);
1123	}	1664	}
1124		1665
1125	package cf;	1666	=item $player->ext_msg ($type, @msg)
		1667
		1668	Sends an ext event to the client.
		1669
		1670	=cut
		1671
		1672	sub ext_msg($$@) {
		1673	my ($self, $type, @msg) = @_;
		1674
		1675	$self->ns->ext_msg ($type, @msg);
		1676	}
		1677
		1678	=head3 cf::region
		1679
		1680	=over 4
		1681
		1682	=cut
		1683
		1684	package cf::region;
		1685
		1686	=item cf::region::find_by_path $path
		1687
		1688	Tries to decuce the likely region for a map knowing only its path.
		1689
		1690	=cut
		1691
		1692	sub find_by_path($) {
		1693	my ($path) = @_;
		1694
		1695	my ($match, $specificity);
		1696
		1697	for my $region (list) {
		1698	if ($region->{match} && $path =~ $region->{match}) {
		1699	($match, $specificity) = ($region, $region->specificity)
		1700	if $region->specificity > $specificity;
		1701	}
		1702	}
		1703
		1704	$match
		1705	}
1126		1706
1127	=back	1707	=back
1128
1129		1708
1130	=head3 cf::map	1709	=head3 cf::map
1131		1710
1132	=over 4	1711	=over 4
1133		1712
…		…
1188	my ($self, $merge) = @_;	1767	my ($self, $merge) = @_;
1189		1768
1190	# we have to keep some variables in memory intact	1769	# we have to keep some variables in memory intact
1191	local $self->{path};	1770	local $self->{path};
1192	local $self->{load_path};	1771	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		1772
1196	$self->SUPER::thawer_merge ($merge);	1773	$self->SUPER::thawer_merge ($merge);
1197	}	1774	}
1198		1775
1199	sub normalise {	1776	sub normalise {
…		…
1246	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1247	return $self;	1824	return $self;
1248	}	1825	}
1249	}	1826	}
1250		1827
1251	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1252	()	1829	()
1253	}	1830	}
1254		1831
1255	sub init {	1832	sub init {
1256	my ($self) = @_;	1833	my ($self) = @_;
…		…
1271		1848
1272	# the original (read-only) location	1849	# the original (read-only) location
1273	sub load_path {	1850	sub load_path {
1274	my ($self) = @_;	1851	my ($self) = @_;
1275		1852
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1853	"$MAPDIR/$self->{path}.map"
1277	}	1854	}
1278		1855
1279	# the temporary/swap location	1856	# the temporary/swap location
1280	sub save_path {	1857	sub save_path {
1281	my ($self) = @_;	1858	my ($self) = @_;
1282		1859
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1861	"$TMPDIR/$path.map"
1285	}	1862	}
1286		1863
1287	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1288	sub uniq_path {	1865	sub uniq_path {
1289	my ($self) = @_;	1866	my ($self) = @_;
1290		1867
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1869	"$UNIQUEDIR/$path"
1293	}	1870	}
1294		1871
1295	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1296	# all maps in C++...	1873	# all maps in C++...
1297	sub change_all_map_light {	1874	sub change_all_map_light {
…		…
1299		1876
1300	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1301	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1302	}	1879	}
1303		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1304	sub unlink_save {	1889	sub unlink_save {
1305	my ($self) = @_;	1890	my ($self) = @_;
1306		1891
1307	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	1895	}
1316		1896
1317	sub load_header_from($) {	1897	sub load_header_from($) {
1318	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1319		1899
1320	utf8::encode $path;	1900	utf8::encode $path;
1321	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1322	# or return;
1323
1324	$self->_load_header ($path)
1325	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1326		1909
1327	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1328		1911
1329	1	1912	1
1330	}	1913	}
…		…
1369	$self->load_header_orig	1952	$self->load_header_orig
1370	or return;	1953	or return;
1371	$self->prepare_orig;	1954	$self->prepare_orig;
1372	}	1955	}
1373		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
		1960	$self->default_region (cf::region::find_by_path $self->{path})
		1961	unless $self->default_region;
		1962
1374	1	1963	1
1375	}	1964	}
1376		1965
1377	sub find;	1966	sub find;
1378	sub find {	1967	sub find {
1379	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1380		1969
1381	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1382		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1383	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1384		1974
1385	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1386	my $guard = cf::lock_acquire "map_find:$path";	1976	my $guard1 = cf::lock_acquire "map_find:$path";
		1977	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1978
1387	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1388	or return;	1980	or return;
1389		1981
1390	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1391		1983
1392	$map->load_header	1984	$map->load_header
1393	or return;	1985	or return;
1394		1986
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard1;
		1991	undef $guard2;
1398	$map->reset;	1992	$map->reset;
1399	undef $guard;
1400	return find $path;	1993	return find $path;
1401	}	1994	}
1402		1995
1403	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1404	}	1997	}
…		…
1411	my ($self) = @_;	2004	my ($self) = @_;
1412		2005
1413	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1414		2007
1415	my $path = $self->{path};	2008	my $path = $self->{path};
		2009
		2010	{
1416	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1417		2012
		2013	return unless $self->valid;
1418	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1419		2015
1420	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1421		2017
1422	$self->alloc;	2018	$self->alloc;
1423		2019
1424	$self->pre_load;	2020	$self->pre_load;
		2021	cf::cede_to_tick;
1425		2022
1426	$self->_load_objects ($self->{load_path}, 1)	2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
		2025	$self->_load_objects ($f)
1427	or return;	2026	or return;
1428		2027
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1430	if delete $self->{load_original};	2029	if delete $self->{load_original};
1431		2030
1432	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;	2032	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1435	$self->clear_unique_items;	2035	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1437	}	2039	}
1438	}	2040	}
1439		2041
1440	Coro::cede;	2042	$f->resolve_delayed_derefs;
1441		2043
		2044	cf::cede_to_tick;
1442	# now do the right thing for maps	2045	# now do the right thing for maps
1443	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;
1450	$self->set_darkness_map;
1451	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	2048	unless $self->difficulty;
1453	Coro::cede;	2049	cf::cede_to_tick;
		2050
		2051	unless ($self->{deny_activate}) {
		2052	$self->decay_objects;
		2053	$self->fix_auto_apply;
		2054	$self->update_buttons;
		2055	cf::cede_to_tick;
		2056	$self->set_darkness_map;
		2057	cf::cede_to_tick;
1454	$self->activate;	2058	$self->activate;
		2059	}
		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
		2063
		2064	$self->in_memory (cf::MAP_IN_MEMORY);
1455	}	2065	}
1456		2066
1457	$self->post_load;	2067	$self->post_load;
1458
1459	$self->in_memory (cf::MAP_IN_MEMORY);
1460	}	2068	}
1461		2069
1462	sub customise_for {	2070	sub customise_for {
1463	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1464		2072
1465	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	2074	if $self->per_player;
1467		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1468	$self	2079	$self
1469	}	2080	}
1470		2081
1471	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1472	sub load_diag {	2083	sub load_neighbours {
1473	my ($map) = @_;	2084	my ($map) = @_;
1474		2085
1475	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1476		2087
1477	for (0 .. 3) {	2088	for (0 .. 3) {
1478	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1479	or next;	2090	or next;
1480	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1481	or next;	2092	or next;
1482	$neigh->load;	2093	$neigh->load;
1483		2094
		2095	push @neigh,
1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1486	}	2098	}
1487		2099
1488	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1489	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1490	or next;	2103	or next;
1491	$neigh->load;	2104	$neigh->load;
1492	}	2105	}
1493	}	2106	}
1494		2107
…		…
1499	}	2112	}
1500		2113
1501	sub do_load_sync {	2114	sub do_load_sync {
1502	my ($map) = @_;	2115	my ($map) = @_;
1503		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1504	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1505	}	2121	}
1506		2122
1507	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1508	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1509		2125
1510	sub find_async {	2126	sub find_async {
1511	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1512		2128
1513	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1514		2130
1515	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1516	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1517	}	2133	}
1518		2134
1519	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1520	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1521	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1522	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1523	my $map = find $path	2142	if (my $map = find $k) {
1524	or next;
1525	$map->load;	2143	$map->load if $v;
		2144	}
1526		2145
1527	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1528	}	2147	}
1529	}	2148	}
1530	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1531	};	2150	};
1532	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1535	}	2154	}
1536		2155
1537	sub save {	2156	sub save {
1538	my ($self) = @_;	2157	my ($self) = @_;
1539		2158
1540	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1541		2160
1542	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1543		2162
1544	return unless $self->dirty;	2163	return unless $self->dirty;
1545		2164
…		…
1551	return if $self->{deny_save};	2170	return if $self->{deny_save};
1552		2171
1553	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1554		2173
1555	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1556	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1557	};	2177	};
1558		2178
1559	if ($uniq) {	2179	if ($uniq) {
1560	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2180	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1568	my ($self) = @_;	2188	my ($self) = @_;
1569		2189
1570	# save first because save cedes	2190	# save first because save cedes
1571	$self->save;	2191	$self->save;
1572		2192
1573	my $lock = cf::lock_acquire "map_data:" . $self->path;	2193	my $lock = cf::lock_acquire "map_data:$self->{path}";
1574		2194
1575	return if $self->players;	2195	return if $self->players;
1576	return if $self->in_memory != cf::MAP_IN_MEMORY;	2196	return if $self->in_memory != cf::MAP_IN_MEMORY;
1577	return if $self->{deny_save};	2197	return if $self->{deny_save};
1578		2198
		2199	$self->in_memory (cf::MAP_SWAPPED);
		2200
		2201	$self->deactivate;
		2202	$_->clear_links_to ($self) for values %cf::MAP;
1579	$self->clear;	2203	$self->clear;
1580	$self->in_memory (cf::MAP_SWAPPED);
1581	}	2204	}
1582		2205
1583	sub reset_at {	2206	sub reset_at {
1584	my ($self) = @_;	2207	my ($self) = @_;
1585		2208
1586	# TODO: safety, remove and allow resettable per-player maps	2209	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	2210	return 1e99 if $self->{deny_reset};
1589		2211
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2212	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2213	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592		2214
…		…
1603	my ($self) = @_;	2225	my ($self) = @_;
1604		2226
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2228
1607	return if $self->players;	2229	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		2230
1610	warn "resetting map ", $self->path;#d#	2231	warn "resetting map ", $self->path;
1611		2232
1612	$self->in_memory (cf::MAP_SWAPPED);	2233	$self->in_memory (cf::MAP_SWAPPED);
1613		2234
1614	# need to save uniques path	2235	# need to save uniques path
1615	unless ($self->{deny_save}) {	2236	unless ($self->{deny_save}) {
…		…
1619	if $uniq;	2240	if $uniq;
1620	}	2241	}
1621		2242
1622	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1623		2244
		2245	$self->deactivate;
		2246	$_->clear_links_to ($self) for values %cf::MAP;
1624	$self->clear;	2247	$self->clear;
1625
1626	$_->clear_links_to ($self) for values %cf::MAP;
1627		2248
1628	$self->unlink_save;	2249	$self->unlink_save;
1629	$self->destroy;	2250	$self->destroy;
1630	}	2251	}
1631		2252
1632	my $nuke_counter = "aaaa";	2253	my $nuke_counter = "aaaa";
1633		2254
1634	sub nuke {	2255	sub nuke {
1635	my ($self) = @_;	2256	my ($self) = @_;
1636		2257
		2258	{
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
1637	delete $cf::MAP{$self->path};	2261	delete $cf::MAP{$self->path};
1638		2262
1639	$self->unlink_save;	2263	$self->unlink_save;
1640		2264
1641	bless $self, "cf::map";	2265	bless $self, "cf::map";
1642	delete $self->{deny_reset};	2266	delete $self->{deny_reset};
1643	$self->{deny_save} = 1;	2267	$self->{deny_save} = 1;
1644	$self->reset_timeout (1);	2268	$self->reset_timeout (1);
1645	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2269	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1646		2270
1647	$cf::MAP{$self->path} = $self;	2271	$cf::MAP{$self->path} = $self;
		2272	}
1648		2273
1649	$self->reset; # polite request, might not happen	2274	$self->reset; # polite request, might not happen
		2275	}
		2276
		2277	=item $maps = cf::map::tmp_maps
		2278
		2279	Returns an arrayref with all map paths of currently instantiated and saved
		2280	maps. May block.
		2281
		2282	=cut
		2283
		2284	sub tmp_maps() {
		2285	[
		2286	map {
		2287	utf8::decode $_;
		2288	/\.map$/
		2289	? normalise $_
		2290	: ()
		2291	} @{ aio_readdir $TMPDIR or [] }
		2292	]
		2293	}
		2294
		2295	=item $maps = cf::map::random_maps
		2296
		2297	Returns an arrayref with all map paths of currently instantiated and saved
		2298	random maps. May block.
		2299
		2300	=cut
		2301
		2302	sub random_maps() {
		2303	[
		2304	map {
		2305	utf8::decode $_;
		2306	/\.map$/
		2307	? normalise "?random/$_"
		2308	: ()
		2309	} @{ aio_readdir $RANDOMDIR or [] }
		2310	]
1650	}	2311	}
1651		2312
1652	=item cf::map::unique_maps	2313	=item cf::map::unique_maps
1653		2314
1654	Returns an arrayref of paths of all shared maps that have	2315	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2316	instantiated unique items. May block.
1656		2317
1657	=cut	2318	=cut
1658		2319
1659	sub unique_maps() {	2320	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2321	[
1661	or return;	2322	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2323	utf8::decode $_;
1667	next if /\.pst$/;	2324	/\.map$/
1668	next unless /^$PATH_SEP/o;	2325	? normalise $_
1669		2326	: ()
1670	push @paths, cf::map::normalise $_;	2327	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2328	]
1672
1673	\@paths
1674	}	2329	}
1675		2330
1676	package cf;	2331	package cf;
1677		2332
1678	=back	2333	=back
…		…
1696	map { $_, inv_recursive_ $_->inv } @_	2351	map { $_, inv_recursive_ $_->inv } @_
1697	}	2352	}
1698		2353
1699	sub inv_recursive {	2354	sub inv_recursive {
1700	inv_recursive_ inv $_[0]	2355	inv_recursive_ inv $_[0]
		2356	}
		2357
		2358	=item $ref = $ob->ref
		2359
		2360	creates and returns a persistent reference to an objetc that can be stored as a string.
		2361
		2362	=item $ob = cf::object::deref ($refstring)
		2363
		2364	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2365	even if the object actually exists. May block.
		2366
		2367	=cut
		2368
		2369	sub deref {
		2370	my ($ref) = @_;
		2371
		2372	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2373	my ($uuid, $name) = ($1, $2);
		2374	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2375	or return;
		2376	$pl->ob->uuid eq $uuid
		2377	or return;
		2378
		2379	$pl->ob
		2380	} else {
		2381	warn "$ref: cannot resolve object reference\n";
		2382	undef
		2383	}
1701	}	2384	}
1702		2385
1703	package cf;	2386	package cf;
1704		2387
1705	=back	2388	=back
…		…
1724		2407
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2409
1727	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1729	} else {	2413	} else {
		2414	my $pl = $self->contr;
		2415
		2416	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2417	my $dialog = $pl->{npc_dialog};
		2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2419
		2420	} else {
1730	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2422	$self->message ($msg, $flags);
		2423	}
1732	}	2424	}
		2425	}
		2426
		2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2428
		2429	=cut
		2430
		2431	sub cf::object::send_msg {
		2432	my $pl = shift->contr
		2433	or return;
		2434	$pl->send_msg (@_);
1733	}	2435	}
1734		2436
1735	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1736		2438
1737	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
1784	$self->deactivate_recursive;	2486	$self->deactivate_recursive;
1785		2487
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2488	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2489
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2491	if $self->map && $self->map->{path} ne "{link}";
1790		2492
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2493	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1792	}	2494	}
1793		2495
1794	sub cf::object::player::leave_link {	2496	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2497	my ($self, $map, $x, $y) = @_;
		2498
		2499	return unless $self->contr->active;
1796		2500
1797	my $link_pos = delete $self->{_link_pos};	2501	my $link_pos = delete $self->{_link_pos};
1798		2502
1799	unless ($map) {	2503	unless ($map) {
1800	# restore original map position	2504	# restore original map position
…		…
1814	# use -1 or undef as default coordinates, not 0, 0	2518	# use -1 or undef as default coordinates, not 0, 0
1815	($x, $y) = ($map->enter_x, $map->enter_y)	2519	($x, $y) = ($map->enter_x, $map->enter_y)
1816	if $x <=0 && $y <= 0;	2520	if $x <=0 && $y <= 0;
1817		2521
1818	$map->load;	2522	$map->load;
1819	$map->load_diag;	2523	$map->load_neighbours;
1820		2524
1821	return unless $self->contr->active;	2525	return unless $self->contr->active;
1822	$self->activate_recursive;	2526	$self->activate_recursive;
1823		2527
1824	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1826	}	2530	}
1827		2531
1828	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2533
1832	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1836	};	2538	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2539
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	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	# we need this sleep as the login has a concurrent enter_exit running
1852	# and this sleep increases chances of the player not ending up in scorn
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	2540	=cut
		2541
		2542	our $GOTOGEN;
1863		2543
1864	sub cf::object::player::goto {	2544	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2545	my ($self, $path, $x, $y, $check, $done) = @_;
		2546
		2547	# do generation counting so two concurrent goto's will be executed in-order
		2548	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2549
1867	$self->enter_link;	2550	$self->enter_link;
1868		2551
1869	(async {	2552	(async {
		2553	$Coro::current->{desc} = "player::goto $path $x $y";
		2554
		2555	# *tag paths override both path and x|y
		2556	if ($path =~ /^\*(.*)$/) {
		2557	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2558	my $ob = $obs[rand @obs];
		2559
		2560	# see if we actually can go there
		2561	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2562	$ob = $obs[rand @obs];
		2563	} else {
		2564	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2565	}
		2566	# else put us there anyways for now #d#
		2567
		2568	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2569	} else {
		2570	($path, $x, $y) = (undef, undef, undef);
		2571	}
		2572	}
		2573
1870	my $map = eval {	2574	my $map = eval {
1871	my $map = cf::map::find $path;	2575	my $map = defined $path ? cf::map::find $path : undef;
		2576
		2577	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2578	$map = $map->customise_for ($self);
		2579	$map = $check->($map) if $check && $map;
		2580	} else {
		2581	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2582	}
		2583
1873	$map	2584	$map
		2585	};
		2586
		2587	if ($@) {
		2588	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2590	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2591
		2592	if ($gen == $self->{_goto_generation}) {
		2593	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2594	$self->leave_link ($map, $x, $y);
		2595	}
		2596
		2597	$done->() if $done;
1878	})->prio (1);	2598	})->prio (1);
1879	}	2599	}
1880		2600
1881	=item $player_object->enter_exit ($exit_object)	2601	=item $player_object->enter_exit ($exit_object)
1882		2602
…		…
1919	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
1920	}	2640	}
1921		2641
1922	$rmp->{random_seed} ||= $exit->random_seed;	2642	$rmp->{random_seed} ||= $exit->random_seed;
1923		2643
1924	my $data = cf::to_json $rmp;	2644	my $data = cf::encode_json $rmp;
1925	my $md5 = Digest::MD5::md5_hex $data;	2645	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2646	my $meta = "$RANDOMDIR/$md5.meta";
1927		2647
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2648	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2649	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2650	undef $fh;
1931	aio_rename "$meta~", $meta;	2651	aio_rename "$meta~", $meta;
…		…
1940		2660
1941	return unless $self->type == cf::PLAYER;	2661	return unless $self->type == cf::PLAYER;
1942		2662
1943	if ($exit->slaying eq "/!") {	2663	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job	2664	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2665	# the problem is that $exit might not survive long enough
		2666	# so it needs to be done right now, right here
1945	cf::sync_job { prepare_random_map $exit };	2667	cf::sync_job { prepare_random_map $exit };
1946	}	2668	}
1947		2669
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2670	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;	2671	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;	2672	my $sp = $exit->stats->sp;
1951		2673
1952	$self->enter_link;	2674	$self->enter_link;
1953		2675
		2676	# if exit is damned, update players death & WoR home-position
		2677	$self->contr->savebed ($slaying, $hp, $sp)
		2678	if $exit->flag (FLAG_DAMNED);
		2679
1954	(async {	2680	(async {
		2681	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2682
1955	$self->deactivate_recursive; # just to be sure	2683	$self->deactivate_recursive; # just to be sure
1956	unless (eval {	2684	unless (eval {
1957	$self->goto ($slaying, $hp, $sp);	2685	$self->goto ($slaying, $hp, $sp);
1958		2686
1959	1;	2687	1;
1960	}) {	2688	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2689	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "I'll try to bring you back to the map you were before. "	2690	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2691	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2692	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2693
1966	warn "ERROR in enter_exit: $@";	2694	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2695	$self->leave_link;
1968	}	2696	}
1969	})->prio (1);	2697	})->prio (1);
…		…
1982		2710
1983	sub cf::client::send_drawinfo {	2711	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2712	my ($self, $text, $flags) = @_;
1985		2713
1986	utf8::encode $text;	2714	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2715	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2716	}
1989		2717
		2718	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2719
		2720	Send a drawinfo or msg packet to the client, formatting the msg for the
		2721	client if neccessary. C<$type> should be a string identifying the type of
		2722	the message, with C<log> being the default. If C<$color> is negative, suppress
		2723	the message unless the client supports the msg packet.
		2724
		2725	=cut
		2726
		2727	# non-persistent channels (usually the info channel)
		2728	our %CHANNEL = (
		2729	"c/identify" => {
		2730	id => "infobox",
		2731	title => "Identify",
		2732	reply => undef,
		2733	tooltip => "Items recently identified",
		2734	},
		2735	"c/examine" => {
		2736	id => "infobox",
		2737	title => "Examine",
		2738	reply => undef,
		2739	tooltip => "Signs and other items you examined",
		2740	},
		2741	"c/book" => {
		2742	id => "infobox",
		2743	title => "Book",
		2744	reply => undef,
		2745	tooltip => "The contents of a note or book",
		2746	},
		2747	"c/lookat" => {
		2748	id => "infobox",
		2749	title => "Look",
		2750	reply => undef,
		2751	tooltip => "What you saw there",
		2752	},
		2753	"c/who" => {
		2754	id => "infobox",
		2755	title => "Players",
		2756	reply => undef,
		2757	tooltip => "Shows players who are currently online",
		2758	},
		2759	"c/body" => {
		2760	id => "infobox",
		2761	title => "Body Parts",
		2762	reply => undef,
		2763	tooltip => "Shows which body parts you posess and are available",
		2764	},
		2765	"c/uptime" => {
		2766	id => "infobox",
		2767	title => "Uptime",
		2768	reply => undef,
		2769	tooltip => "How long the server has been running since last restart",
		2770	},
		2771	"c/mapinfo" => {
		2772	id => "infobox",
		2773	title => "Map Info",
		2774	reply => undef,
		2775	tooltip => "Information related to the maps",
		2776	},
		2777	);
		2778
		2779	sub cf::client::send_msg {
		2780	my ($self, $channel, $msg, $color, @extra) = @_;
		2781
		2782	$msg = $self->pl->expand_cfpod ($msg);
		2783
		2784	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2785
		2786	# check predefined channels, for the benefit of C
		2787	if ($CHANNEL{$channel}) {
		2788	$channel = $CHANNEL{$channel};
		2789
		2790	$self->ext_msg (channel_info => $channel)
		2791	if $self->can_msg;
		2792
		2793	$channel = $channel->{id};
		2794
		2795	} elsif (ref $channel) {
		2796	# send meta info to client, if not yet sent
		2797	unless (exists $self->{channel}{$channel->{id}}) {
		2798	$self->{channel}{$channel->{id}} = $channel;
		2799	$self->ext_msg (channel_info => $channel)
		2800	if $self->can_msg;
		2801	}
		2802
		2803	$channel = $channel->{id};
		2804	}
		2805
		2806	return unless @extra || length $msg;
		2807
		2808	if ($self->can_msg) {
		2809	# default colour, mask it out
		2810	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2811	if $color & cf::NDI_DEF;
		2812
		2813	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2814	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2815	} else {
		2816	if ($color >= 0) {
		2817	# replace some tags by gcfclient-compatible ones
		2818	for ($msg) {
		2819	1 while
		2820	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2821	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2822	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2823	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2824	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2825	}
		2826
		2827	$color &= cf::NDI_COLOR_MASK;
		2828
		2829	utf8::encode $msg;
		2830
		2831	if (0 && $msg =~ /\[/) {
		2832	# COMMAND/INFO
		2833	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2834	} else {
		2835	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2836	$self->send_packet ("drawinfo $color $msg")
		2837	}
		2838	}
		2839	}
		2840	}
		2841
		2842	=item $client->ext_msg ($type, @msg)
		2843
		2844	Sends an ext event to the client.
		2845
		2846	=cut
		2847
		2848	sub cf::client::ext_msg($$@) {
		2849	my ($self, $type, @msg) = @_;
		2850
		2851	if ($self->extcmd == 2) {
		2852	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2853	} elsif ($self->extcmd == 1) { # TODO: remove
		2854	push @msg, msgtype => "event_$type";
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2856	}
		2857	}
		2858
		2859	=item $client->ext_reply ($msgid, @msg)
		2860
		2861	Sends an ext reply to the client.
		2862
		2863	=cut
		2864
		2865	sub cf::client::ext_reply($$@) {
		2866	my ($self, $id, @msg) = @_;
		2867
		2868	if ($self->extcmd == 2) {
		2869	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2870	} elsif ($self->extcmd == 1) {
		2871	#TODO: version 1, remove
		2872	unshift @msg, msgtype => "reply", msgid => $id;
		2873	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2874	}
		2875	}
1990		2876
1991	=item $success = $client->query ($flags, "text", \&cb)	2877	=item $success = $client->query ($flags, "text", \&cb)
1992		2878
1993	Queues a query to the client, calling the given callback with	2879	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>,	2880	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>.	2881	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2882
1997	Queries can fail, so check the return code. Or don't, as queries will become	2883	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2884	become reliable at some point in the future.
1999		2885
2000	=cut	2886	=cut
2001		2887
2002	sub cf::client::query {	2888	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2889	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2897	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2899
2014	$self->send_packet ($self->{query_queue}[0][0])	2900	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2901	if @{ $self->{query_queue} } == 1;
		2902
		2903	1
2016	}	2904	}
2017		2905
2018	cf::client->attach (	2906	cf::client->attach (
		2907	on_connect => sub {
		2908	my ($ns) = @_;
		2909
		2910	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2911	},
2019	on_reply => sub {	2912	on_reply => sub {
2020	my ($ns, $msg) = @_;	2913	my ($ns, $msg) = @_;
2021		2914
2022	# this weird shuffling is so that direct followup queries	2915	# this weird shuffling is so that direct followup queries
2023	# get handled first	2916	# get handled first
…		…
2035	} else {	2928	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2929	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2930	}
2038	}	2931	}
2039	},	2932	},
		2933	on_exticmd => sub {
		2934	my ($ns, $buf) = @_;
		2935
		2936	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2937
		2938	if (ref $msg) {
		2939	my ($type, $reply, @payload) =
		2940	"ARRAY" eq ref $msg
		2941	? @$msg
		2942	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2943
		2944	my @reply;
		2945
		2946	if (my $cb = $EXTICMD{$type}) {
		2947	@reply = $cb->($ns, @payload);
		2948	}
		2949
		2950	$ns->ext_reply ($reply, @reply)
		2951	if $reply;
		2952
		2953	} else {
		2954	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2955	}
		2956
		2957	cf::override;
		2958	},
2040	);	2959	);
2041		2960
2042	=item $client->async (\&cb)	2961	=item $client->async (\&cb)
2043		2962
2044	Create a new coroutine, running the specified callback. The coroutine will	2963	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	3004	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3005	our $safe_hole = new Safe::Hole;
2087		3006
2088	$SIG{FPE} = 'IGNORE';	3007	$SIG{FPE} = 'IGNORE';
2089		3008
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3009	$safe->permit_only (Opcode::opset qw(
		3010	:base_core :base_mem :base_orig :base_math
		3011	grepstart grepwhile mapstart mapwhile
		3012	sort time
		3013	));
2091		3014
2092	# here we export the classes and methods available to script code	3015	# here we export the classes and methods available to script code
2093		3016
2094	=pod	3017	=pod
2095		3018
2096	The following fucntions and emthods are available within a safe environment:	3019	The following functions and methods are available within a safe environment:
2097		3020
2098	cf::object contr pay_amount pay_player map	3021	cf::object
		3022	contr pay_amount pay_player map x y force_find force_add destroy
		3023	insert remove name archname title slaying race decrease_ob_nr
		3024
2099	cf::object::player player	3025	cf::object::player
2100	cf::player peaceful	3026	player
2101	cf::map trigger	3027
		3028	cf::player
		3029	peaceful
		3030
		3031	cf::map
		3032	trigger
2102		3033
2103	=cut	3034	=cut
2104		3035
2105	for (	3036	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3037	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3038	insert remove inv name archname title slaying race
		3039	decrease_ob_nr destroy)],
2107	["cf::object::player" => qw(player)],	3040	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3041	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	3042	["cf::map" => qw(trigger)],
2110	) {	3043	) {
2111	no strict 'refs';	3044	no strict 'refs';
…		…
2182	=back	3115	=back
2183		3116
2184	=cut	3117	=cut
2185		3118
2186	#############################################################################	3119	#############################################################################
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 $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	3120	# the server's init and main functions
2260		3121
2261	sub load_resources {	3122	sub load_facedata($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3123	my ($path) = @_;
		3124
		3125	# HACK to clear player env face cache, we need some signal framework
		3126	# for this (global event?)
		3127	%ext::player_env::MUSIC_FACE_CACHE = ();
		3128
		3129	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3130
		3131	warn "loading facedata from $path\n";
		3132
		3133	my $facedata;
		3134	0 < aio_load $path, $facedata
		3135	or die "$path: $!";
		3136
		3137	$facedata = Coro::Storable::thaw $facedata;
		3138
		3139	$facedata->{version} == 2
		3140	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3141
		3142	# patch in the exptable
		3143	$facedata->{resource}{"res/exp_table"} = {
		3144	type => FT_RSRC,
		3145	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3146	};
		3147	cf::cede_to_tick;
		3148
		3149	{
		3150	my $faces = $facedata->{faceinfo};
		3151
		3152	while (my ($face, $info) = each %$faces) {
		3153	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3154	cf::face::set_visibility $idx, $info->{visibility};
		3155	cf::face::set_magicmap $idx, $info->{magicmap};
		3156	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3157	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3158
		3159	cf::cede_to_tick;
		3160	}
		3161
		3162	while (my ($face, $info) = each %$faces) {
		3163	next unless $info->{smooth};
		3164	my $idx = cf::face::find $face
		3165	or next;
		3166	if (my $smooth = cf::face::find $info->{smooth}) {
		3167	cf::face::set_smooth $idx, $smooth;
		3168	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3169	} else {
		3170	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3171	}
		3172
		3173	cf::cede_to_tick;
		3174	}
		3175	}
		3176
		3177	{
		3178	my $anims = $facedata->{animinfo};
		3179
		3180	while (my ($anim, $info) = each %$anims) {
		3181	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3182	cf::cede_to_tick;
		3183	}
		3184
		3185	cf::anim::invalidate_all; # d'oh
		3186	}
		3187
		3188	{
		3189	# TODO: for gcfclient pleasure, we should give resources
		3190	# that gcfclient doesn't grok a >10000 face index.
		3191	my $res = $facedata->{resource};
		3192
		3193	my $soundconf = delete $res->{"res/sound.conf"};
		3194
		3195	while (my ($name, $info) = each %$res) {
		3196	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3197	my $data;
		3198
		3199	if ($info->{type} & 1) {
		3200	# prepend meta info
		3201
		3202	my $meta = $enc->encode ({
		3203	name => $name,
		3204	%{ $info->{meta} || {} },
		3205	});
		3206
		3207	$data = pack "(w/a*)*", $meta, $info->{data};
		3208	} else {
		3209	$data = $info->{data};
		3210	}
		3211
		3212	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3213	cf::face::set_type $idx, $info->{type};
		3214
		3215	cf::cede_to_tick;
		3216	}
		3217
		3218	if ($soundconf) {
		3219	$soundconf = $enc->decode (delete $soundconf->{data});
		3220
		3221	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3222	my $sound = $soundconf->{compat}[$_]
		3223	or next;
		3224
		3225	my $face = cf::face::find "sound/$sound->[1]";
		3226	cf::sound::set $sound->[0] => $face;
		3227	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3228	}
		3229
		3230	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3231	my $face = cf::face::find "sound/$v";
		3232	cf::sound::set $k => $face;
		3233	}
		3234	}
		3235	}
		3236
		3237	1
		3238	}
		3239
		3240	register_exticmd fx_want => sub {
		3241	my ($ns, $want) = @_;
		3242
		3243	while (my ($k, $v) = each %$want) {
		3244	$ns->fx_want ($k, $v);
		3245	}
		3246	};
		3247
		3248	sub reload_regions {
		3249	# HACK to clear player env face cache, we need some signal framework
		3250	# for this (global event?)
		3251	%ext::player_env::MUSIC_FACE_CACHE = ();
		3252
		3253	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3254	or die "unable to load regions file\n";
2264	}
2265		3255
2266	sub cfg_load {	3256	for (cf::region::list) {
		3257	$_->{match} = qr/$_->{match}/
		3258	if exists $_->{match};
		3259	}
		3260	}
		3261
		3262	sub reload_facedata {
		3263	load_facedata "$DATADIR/facedata"
		3264	or die "unable to load facedata\n";
		3265	}
		3266
		3267	sub reload_archetypes {
		3268	load_resource_file "$DATADIR/archetypes"
		3269	or die "unable to load archetypes\n";
		3270	#d# NEED to laod twice to resolve forward references
		3271	# this really needs to be done in an extra post-pass
		3272	# (which needs to be synchronous, so solve it differently)
		3273	load_resource_file "$DATADIR/archetypes"
		3274	or die "unable to load archetypes\n";
		3275	}
		3276
		3277	sub reload_treasures {
		3278	load_resource_file "$DATADIR/treasures"
		3279	or die "unable to load treasurelists\n";
		3280	}
		3281
		3282	sub reload_resources {
		3283	warn "reloading resource files...\n";
		3284
		3285	reload_regions;
		3286	reload_facedata;
		3287	#reload_archetypes;#d#
		3288	reload_archetypes;
		3289	reload_treasures;
		3290
		3291	warn "finished reloading resource files\n";
		3292	}
		3293
		3294	sub init {
		3295	reload_resources;
		3296	}
		3297
		3298	sub reload_config {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3299	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3300	or return;
2269		3301
2270	local $/;	3302	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3303	*CFG = YAML::Syck::Load <$fh>;
2272		3304
…		…
2282	};	3314	};
2283	warn $@ if $@;	3315	warn $@ if $@;
2284	}	3316	}
2285	}	3317	}
2286		3318
2287	sub init {
2288	load_resources;
2289	}
2290
2291	sub main {	3319	sub main {
2292	# we must not ever block the main coroutine	3320	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3321	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3322	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3323	(async {
2296	Event::one_event;	3324	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3325	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3326	})->prio (Coro::PRIO_MAX);
2298	};	3327	};
2299		3328
2300	cfg_load;	3329	reload_config;
2301	db_init;	3330	db_init;
2302	load_extensions;	3331	load_extensions;
2303		3332
2304	$TICK_WATCHER->start;	3333	$TICK_WATCHER->start;
		3334	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2305	Event::loop;	3335	EV::loop;
2306	}	3336	}
2307		3337
2308	#############################################################################	3338	#############################################################################
2309	# initialisation and cleanup	3339	# initialisation and cleanup
2310		3340
2311	# install some emergency cleanup handlers	3341	# install some emergency cleanup handlers
2312	BEGIN {	3342	BEGIN {
		3343	our %SIGWATCHER = ();
2313	for my $signal (qw(INT HUP TERM)) {	3344	for my $signal (qw(INT HUP TERM)) {
2314	Event->signal (	3345	$SIGWATCHER{$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";	3346	cf::cleanup "SIG$signal";
2321	},
2322	);	3347	};
		3348	}
		3349	}
		3350
		3351	sub write_runtime {
		3352	my $runtime = "$LOCALDIR/runtime";
		3353
		3354	# first touch the runtime file to show we are still running:
		3355	# the fsync below can take a very very long time.
		3356
		3357	IO::AIO::aio_utime $runtime, undef, undef;
		3358
		3359	my $guard = cf::lock_acquire "write_runtime";
		3360
		3361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3362	or return;
		3363
		3364	my $value = $cf::RUNTIME + 90 + 10;
		3365	# 10 is the runtime save interval, for a monotonic clock
		3366	# 60 allows for the watchdog to kill the server.
		3367
		3368	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3369	and return;
		3370
		3371	# always fsync - this file is important
		3372	aio_fsync $fh
		3373	and return;
		3374
		3375	# touch it again to show we are up-to-date
		3376	aio_utime $fh, undef, undef;
		3377
		3378	close $fh
		3379	or return;
		3380
		3381	aio_rename "$runtime~", $runtime
		3382	and return;
		3383
		3384	warn "runtime file written.\n";
		3385
2323	}	3386	1
2324	}	3387	}
2325		3388
2326	sub emergency_save() {	3389	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3390	my $freeze_guard = cf::freeze_mainloop;
2328		3391
…		…
2334	# and maps saved/destroyed asynchronously.	3397	# and maps saved/destroyed asynchronously.
2335	warn "begin emergency player save\n";	3398	warn "begin emergency player save\n";
2336	for my $login (keys %cf::PLAYER) {	3399	for my $login (keys %cf::PLAYER) {
2337	my $pl = $cf::PLAYER{$login} or next;	3400	my $pl = $cf::PLAYER{$login} or next;
2338	$pl->valid or next;	3401	$pl->valid or next;
		3402	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2339	$pl->save;	3403	$pl->save;
2340	}	3404	}
2341	warn "end emergency player save\n";	3405	warn "end emergency player save\n";
2342		3406
2343	warn "begin emergency map save\n";	3407	warn "begin emergency map save\n";
…		…
2361		3425
2362	warn Carp::longmess "post_cleanup backtrace"	3426	warn Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	3427	if $make_core;
2364	}	3428	}
2365		3429
2366	sub reload() {	3430	sub do_reload_perl() {
2367	# can/must only be called in main	3431	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	3432	if ($Coro::current != $Coro::main) {
2369	warn "can only reload from main coroutine";	3433	warn "can only reload from main coroutine";
2370	return;	3434	return;
2371	}	3435	}
…		…
2382	warn "syncing database to disk";	3446	warn "syncing database to disk";
2383	BDB::db_env_txn_checkpoint $DB_ENV;	3447	BDB::db_env_txn_checkpoint $DB_ENV;
2384		3448
2385	# if anything goes wrong in here, we should simply crash as we already saved	3449	# if anything goes wrong in here, we should simply crash as we already saved
2386		3450
2387	warn "cancelling all WF_AUTOCANCEL watchers";
2388	for (Event::all_watchers) {
2389	$_->cancel if $_->data & WF_AUTOCANCEL;
2390	}
2391
2392	warn "flushing outstanding aio requests";	3451	warn "flushing outstanding aio requests";
2393	for (;;) {	3452	for (;;) {
2394	BDB::flush;	3453	BDB::flush;
2395	IO::AIO::flush;	3454	IO::AIO::flush;
2396	Coro::cede;	3455	Coro::cede_notself;
2397	last unless IO::AIO::nreqs || BDB::nreqs;	3456	last unless IO::AIO::nreqs || BDB::nreqs;
2398	warn "iterate...";	3457	warn "iterate...";
2399	}	3458	}
		3459
		3460	++$RELOAD;
2400		3461
2401	warn "cancelling all extension coros";	3462	warn "cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;	3463	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();	3464	%EXT_CORO = ();
2404		3465
2405	warn "removing commands";	3466	warn "removing commands";
2406	%COMMAND = ();	3467	%COMMAND = ();
2407		3468
2408	warn "removing ext commands";	3469	warn "removing ext/exti commands";
2409	%EXTCMD = ();	3470	%EXTCMD = ();
		3471	%EXTICMD = ();
2410		3472
2411	warn "unloading/nuking all extensions";	3473	warn "unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {	3474	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";	3475	warn "... unloading $pkg";
2414		3476
…		…
2444	Symbol::delete_package "safe::$_"	3506	Symbol::delete_package "safe::$_"
2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3507	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446		3508
2447	warn "unloading cf.pm \"a bit\"";	3509	warn "unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	3510	delete $INC{"cf.pm"};
		3511	delete $INC{"cf/pod.pm"};
2449		3512
2450	# don't, removes xs symbols, too,	3513	# don't, removes xs symbols, too,
2451	# and global variables created in xs	3514	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	3515	#Symbol::delete_package __PACKAGE__;
2453		3516
…		…
2456	warn "reloading cf.pm";	3519	warn "reloading cf.pm";
2457	require cf;	3520	require cf;
2458	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3521	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2459		3522
2460	warn "loading config and database again";	3523	warn "loading config and database again";
2461	cf::cfg_load;	3524	cf::reload_config;
2462		3525
2463	warn "loading extensions";	3526	warn "loading extensions";
2464	cf::load_extensions;	3527	cf::load_extensions;
2465		3528
2466	warn "reattaching attachments to objects/players";	3529	warn "reattaching attachments to objects/players";
2467	_global_reattach;	3530	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	3531	warn "reattaching attachments to maps";
2469	reattach $_ for values %MAP;	3532	reattach $_ for values %MAP;
2470		3533	warn "reattaching attachments to players";
2471	warn "loading reloadable resources";	3534	reattach $_ for values %PLAYER;
2472	load_resources;
2473		3535
2474	warn "leaving sync_job";	3536	warn "leaving sync_job";
2475		3537
2476	1	3538	1
2477	} or do {	3539	} or do {
…		…
2483	warn "reloaded";	3545	warn "reloaded";
2484	};	3546	};
2485		3547
2486	our $RELOAD_WATCHER; # used only during reload	3548	our $RELOAD_WATCHER; # used only during reload
2487		3549
		3550	sub reload_perl() {
		3551	# doing reload synchronously and two reloads happen back-to-back,
		3552	# coro crashes during coro_state_free->destroy here.
		3553
		3554	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3555	undef $RELOAD_WATCHER;
		3556	do_reload_perl;
		3557	};
		3558	}
		3559
2488	register_command "reload" => sub {	3560	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
2490		3562
2491	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	3564	$who->message ("reloading server.");
2493		3565	async {
2494	# doing reload synchronously and two reloads happen back-to-back,	3566	$Coro::current->{desc} = "perl_reload";
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;	3567	reload_perl;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);	3568	};
2506	}	3569	}
2507	};	3570	};
2508		3571
2509	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
2510		3573
2511	my $bug_warning = 0;	3574	my $bug_warning = 0;
2512		3575
2513	$TICK_WATCHER = Event->timer (	3576	our @WAIT_FOR_TICK;
2514	reentrant => 0,	3577	our @WAIT_FOR_TICK_BEGIN;
2515	parked => 1,	3578
2516	prio => 0,	3579	sub wait_for_tick {
2517	at => $NEXT_TICK || $TICK,	3580	return unless $TICK_WATCHER->is_active;
2518	data => WF_AUTOCANCEL,	3581	return if $Coro::current == $Coro::main;
2519	cb => sub {	3582
		3583	my $signal = new Coro::Signal;
		3584	push @WAIT_FOR_TICK, $signal;
		3585	$signal->wait;
		3586	}
		3587
		3588	sub wait_for_tick_begin {
		3589	return unless $TICK_WATCHER->is_active;
		3590	return if $Coro::current == $Coro::main;
		3591
		3592	my $signal = new Coro::Signal;
		3593	push @WAIT_FOR_TICK_BEGIN, $signal;
		3594	$signal->wait;
		3595	}
		3596
		3597	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2520	if ($Coro::current != $Coro::main) {	3598	if ($Coro::current != $Coro::main) {
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3599	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	3600	unless ++$bug_warning > 10;
2523	return;	3601	return;
2524	}	3602	}
2525		3603
2526	$NOW = Event::time;	3604	$NOW = $tick_start = EV::now;
2527		3605
2528	cf::server_tick; # one server iteration	3606	cf::server_tick; # one server iteration
		3607
2529	$RUNTIME += $TICK;	3608	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;	3609	$NEXT_TICK += $TICK;
2531		3610
2532	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3611	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$NEXT_RUNTIME_WRITE = $NOW + 10;	3612	$NEXT_RUNTIME_WRITE = $NOW + 10;
2534	Coro::async_pool {	3613	Coro::async_pool {
		3614	$Coro::current->{desc} = "runtime saver";
2535	write_runtime	3615	write_runtime
2536	or warn "ERROR: unable to write runtime file: $!";	3616	or warn "ERROR: unable to write runtime file: $!";
2537	};
2538	}	3617	};
2539
2540
2541	$WAIT_FOR_TICK->broadcast;
2542	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2543
2544	# my $AFTER = Event::time;
2545	# warn $AFTER - $NOW;#d#
2546
2547	# if we are delayed by four ticks or more, skip them all
2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2549
2550	$TICK_WATCHER->at ($NEXT_TICK);
2551	$TICK_WATCHER->start;
2552	},	3618	}
2553	);	3619
		3620	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3621	$sig->send;
		3622	}
		3623	while (my $sig = shift @WAIT_FOR_TICK) {
		3624	$sig->send;
		3625	}
		3626
		3627	$LOAD = ($NOW - $tick_start) / $TICK;
		3628	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3629
		3630	_post_tick;
		3631	};
		3632	$TICK_WATCHER->priority (EV::MAXPRI);
2554		3633
2555	{	3634	{
2556	BDB::max_poll_time $TICK * 0.1;	3635	# configure BDB
2557	$BDB_POLL_WATCHER = Event->io (	3636
2558	reentrant => 0,
2559	fd => BDB::poll_fileno,
2560	poll => 'r',
2561	prio => 0,
2562	data => WF_AUTOCANCEL,
2563	cb => \&BDB::poll_cb,
2564	);
2565	BDB::min_parallel 8;	3637	BDB::min_parallel 8;
2566		3638	BDB::max_poll_reqs $TICK * 0.1;
2567	BDB::set_sync_prepare {
2568	my $status;
2569	my $current = $Coro::current;
2570	(
2571	sub {
2572	$status = $!;
2573	$current->ready; undef $current;
2574	},
2575	sub {
2576	Coro::schedule while defined $current;
2577	$! = $status;
2578	},
2579	)
2580	};
2581		3639
2582	unless ($DB_ENV) {	3640	unless ($DB_ENV) {
2583	$DB_ENV = BDB::db_env_create;	3641	$DB_ENV = BDB::db_env_create;
		3642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3643	| BDB::LOG_AUTOREMOVE, 1);
		3644	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3645	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2584		3646
2585	cf::sync_job {	3647	cf::sync_job {
2586	eval {	3648	eval {
2587	BDB::db_env_open	3649	BDB::db_env_open
2588	$DB_ENV,	3650	$DB_ENV,
2589	$BDB_ENV_DIR,	3651	$BDBDIR,
2590	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3652	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2591	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3653	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2592	0666;	3654	0666;
2593		3655
2594	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3656	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2595
2596	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2597	$DB_ENV->set_lk_detect;
2598	};	3657	};
2599		3658
2600	cf::cleanup "db_env_open(db): $@" if $@;	3659	cf::cleanup "db_env_open(db): $@" if $@;
2601	};	3660	};
2602	}	3661	}
		3662
		3663	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3664	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3665	};
		3666	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3667	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3668	};
		3669	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3670	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3671	};
2603	}	3672	}
2604		3673
2605	{	3674	{
		3675	# configure IO::AIO
		3676
2606	IO::AIO::min_parallel 8;	3677	IO::AIO::min_parallel 8;
2607
2608	undef $Coro::AIO::WATCHER;
2609	IO::AIO::max_poll_time $TICK * 0.1;	3678	IO::AIO::max_poll_time $TICK * 0.1;
2610	$AIO_POLL_WATCHER = Event->io (
2611	reentrant => 0,
2612	data => WF_AUTOCANCEL,
2613	fd => IO::AIO::poll_fileno,
2614	poll => 'r',
2615	prio => 6,
2616	cb => \&IO::AIO::poll_cb,
2617	);
2618	}	3679	}
		3680
		3681	my $_log_backtrace;
		3682
		3683	sub _log_backtrace {
		3684	my ($msg, @addr) = @_;
		3685
		3686	$msg =~ s/\n//;
		3687
		3688	# limit the # of concurrent backtraces
		3689	if ($_log_backtrace < 2) {
		3690	++$_log_backtrace;
		3691	async {
		3692	$Coro::current->{desc} = "abt $msg";
		3693
		3694	my @bt = fork_call {
		3695	@addr = map { sprintf "%x", $_ } @addr;
		3696	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3697	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3698	or die "addr2line: $!";
		3699
		3700	my @funcs;
		3701	my @res = <$fh>;
		3702	chomp for @res;
		3703	while (@res) {
		3704	my ($func, $line) = splice @res, 0, 2, ();
		3705	push @funcs, "[$func] $line";
		3706	}
		3707
		3708	@funcs
		3709	};
		3710
		3711	LOG llevInfo, "[ABT] $msg\n";
		3712	LOG llevInfo, "[ABT] $_\n" for @bt;
		3713	--$_log_backtrace;
		3714	};
		3715	} else {
		3716	LOG llevInfo, "[ABT] $msg\n";
		3717	LOG llevInfo, "[ABT] [suppressed]\n";
		3718	}
		3719	}
		3720
		3721	# load additional modules
		3722	use cf::pod;
2619		3723
2620	END { cf::emergency_save }	3724	END { cf::emergency_save }
2621		3725
2622	1	3726	1
2623		3727

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