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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.400 by root, Mon Dec 17 06:36:34 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
9	use Event;	9	use EV;
10	use Opcode;	10	use Opcode;
11	use Safe;	11	use Safe;
12	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
13		14
14	use Coro 3.52 ();	15	use Coro 4.32 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::EV;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
21	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
22		26
		27	use JSON::XS 2.01 ();
23	use BDB ();	28	use BDB ();
24	use Data::Dumper;	29	use Data::Dumper;
25	use Digest::MD5;	30	use Digest::MD5;
26	use Fcntl;	31	use Fcntl;
27	use YAML::Syck ();	32	use YAML::Syck ();
28	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
29	use Time::HiRes;	34	use Time::HiRes;
30	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
31		37
32	# configure various modules to our taste	38	# configure various modules to our taste
33	#	39	#
34	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36	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
37		43
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# 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?
41	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
42		46
43	$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
44		48
…		…
47	our %COMMAND = ();	51	our %COMMAND = ();
48	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
49		53
50	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
54		59
55	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
56	our @EVENT;	61	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		62
59	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(!)
60	our $TICK_WATCHER;	76	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	79	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		81
67	our $BDB_POLL_WATCHER;	82	our $BDB_POLL_WATCHER;
		83	our $BDB_DEADLOCK_WATCHER;
		84	our $BDB_CHECKPOINT_WATCHER;
		85	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	86	our $DB_ENV;
69		87
70	our %CFG;	88	our %CFG;
71		89
72	our $UPTIME; $UPTIME ||= time;	90	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	91	our $RUNTIME;
		92	our $NOW;
74		93
75	our %PLAYER; # all users	94	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	95	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	96	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		97
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	99	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $tick_start; # for load detecting purposes
		104
87	binmode STDOUT;	105	binmode STDOUT;
88	binmode STDERR;	106	binmode STDERR;
89		107
90	# read virtual server time, if available	108	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	109	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92	open my $fh, "<", cf::localdir . "/runtime"	110	open my $fh, "<", "$LOCALDIR/runtime"
93	or die "unable to read runtime file: $!";	111	or die "unable to read runtime file: $!";
94	$RUNTIME = <$fh> + 0.;	112	$RUNTIME = <$fh> + 0.;
95	}	113	}
96		114
97	mkdir cf::localdir;	115	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	116	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		117
104	our $EMERGENCY_POSITION;	118	our $EMERGENCY_POSITION;
105		119
106	sub cf::map::normalise;	120	sub cf::map::normalise;
107		121
…		…
118	=item $cf::RUNTIME	132	=item $cf::RUNTIME
119		133
120	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
121	every server tick.	135	every server tick.
122		136
123	=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
124		140
125	The perl library directory, where extensions and cf-specific modules can	141	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		145
128	=item $cf::NOW	146	=item $cf::NOW
129		147
130	The time of the last (current) server tick.	148	The time of the last (current) server tick.
131		149
132	=item $cf::TICK	150	=item $cf::TICK
133		151
134	The interval between server ticks, in seconds.	152	The interval between server ticks, in seconds.
135		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
136	=item %cf::CFG	164	=item %cf::CFG
137		165
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	166	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	167	from wherever your confdir points to.
140		168
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	169	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		170
143	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
144	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
145	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.
146	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.
147		180
148	=back	181	=back
149		182
150	=cut	183	=cut
151		184
152	BEGIN {	185	BEGIN {
153	*CORE::GLOBAL::warn = sub {	186	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	187	my $msg = join "", @_;
155	utf8::encode $msg;
156		188
157	$msg .= "\n"	189	$msg .= "\n"
158	unless $msg =~ /\n$/;	190	unless $msg =~ /\n$/;
		191
		192	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
159		193
160	LOG llevError, $msg;	194	LOG llevError, $msg;
161	};	195	};
162	}	196	}
163		197
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	198	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	199	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	200	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	201	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		205
171	# 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
172	# within the Safe compartment.	207	# within the Safe compartment.
173	for my $pkg (qw(	208	for my $pkg (qw(
174	cf::global cf::attachable	209	cf::global cf::attachable
…		…
179	)) {	214	)) {
180	no strict 'refs';	215	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	216	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	217	}
183		218
184	$Event::DIED = sub {	219	$EV::DIED = sub {
185	warn "error in event callback: @_";	220	warn "error in event callback: @_";
186	};	221	};
		222
		223	#############################################################################
187		224
188	=head2 UTILITY FUNCTIONS	225	=head2 UTILITY FUNCTIONS
189		226
190	=over 4	227	=over 4
191		228
…		…
210	$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;
211	$d	248	$d
212	} || "[unable to dump $_[0]: '$@']";	249	} || "[unable to dump $_[0]: '$@']";
213	}	250	}
214		251
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	252	=item $ref = cf::decode_json $json
218		253
219	Converts a JSON string into the corresponding perl data structure.	254	Converts a JSON string into the corresponding perl data structure.
220		255
221	=item $json = cf::to_json $ref	256	=item $json = cf::encode_json $ref
222		257
223	Converts a perl data structure into its JSON representation.	258	Converts a perl data structure into its JSON representation.
		259
		260	=cut
		261
		262	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		263
		264	sub encode_json($) { $json_coder->encode ($_[0]) }
		265	sub decode_json($) { $json_coder->decode ($_[0]) }
224		266
225	=item cf::lock_wait $string	267	=item cf::lock_wait $string
226		268
227	Wait until the given lock is available. See cf::lock_acquire.	269	Wait until the given lock is available. See cf::lock_acquire.
228		270
…		…
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	275	for example when the coroutine gets canceled), the lock is automatically
234	returned.	276	returned.
235		277
		278	Locks are *not* recursive, locking from the same coro twice results in a
		279	deadlocked coro.
		280
236	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
237	uses map_find and cf::map::load uses map_load).	282	uses map_find and cf::map::load uses map_load).
238		283
		284	=item $locked = cf::lock_active $string
		285
		286	Return true if the lock is currently active, i.e. somebody has locked it.
		287
239	=cut	288	=cut
240		289
241	our %LOCK;	290	our %LOCK;
		291	our %LOCKER;#d#
242		292
243	sub lock_wait($) {	293	sub lock_wait($) {
244	my ($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#
245		300
246	# wait for lock, if any	301	# wait for lock, if any
247	while ($LOCK{$key}) {	302	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	303	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	304	Coro::schedule;
…		…
255		310
256	# wait, to be sure we are not locked	311	# wait, to be sure we are not locked
257	lock_wait $key;	312	lock_wait $key;
258		313
259	$LOCK{$key} = [];	314	$LOCK{$key} = [];
		315	$LOCKER{$key} = $Coro::current;#d#
260		316
261	Coro::guard {	317	Coro::guard {
		318	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	319	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	320	$_->ready for @{ delete $LOCK{$key} };
264	}	321	}
		322	}
		323
		324	sub lock_active($) {
		325	my ($key) = @_;
		326
		327	! ! $LOCK{$key}
265	}	328	}
266		329
267	sub freeze_mainloop {	330	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	331	return unless $TICK_WATCHER->is_active;
269		332
…		…
272	};	335	};
273	$TICK_WATCHER->stop;	336	$TICK_WATCHER->stop;
274	$guard	337	$guard
275	}	338	}
276		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	$sig->wait;
		411	}
		412
277	=item cf::async { BLOCK }	413	=item cf::async { BLOCK }
278		414
279	Currently the same as Coro::async_pool, meaning you cannot use	415	Currently the same as Coro::async_pool, meaning you cannot use
280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	416	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
281	thing you are allowed to do is call C<prio> on it.	417	thing you are allowed to do is call C<prio> on it.
…		…
284		420
285	BEGIN { *async = \&Coro::async_pool }	421	BEGIN { *async = \&Coro::async_pool }
286		422
287	=item cf::sync_job { BLOCK }	423	=item cf::sync_job { BLOCK }
288		424
289	The design of crossfire+ requires that the main coro ($Coro::main) is	425	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	426	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	427	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		428	acceptable.
292		429
293	If it must be done, put the blocking parts into C<sync_job>. This will run	430	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	431	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	432	server will be frozen during this time, so the block should either finish
296	fast or be very important.	433	fast or be very important.
…		…
299		436
300	sub sync_job(&) {	437	sub sync_job(&) {
301	my ($job) = @_;	438	my ($job) = @_;
302		439
303	if ($Coro::current == $Coro::main) {	440	if ($Coro::current == $Coro::main) {
		441	my $time = EV::time;
		442
304	# this is the main coro, too bad, we have to block	443	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	444	# till the operation succeeds, freezing the server :/
306		445
		446	LOG llevError, Carp::longmess "sync job";#d#
		447
307	# TODO: use suspend/resume instead	448	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	449	# (but this is cancel-safe)
309	my $freeze_guard = freeze_mainloop;	450	my $freeze_guard = freeze_mainloop;
310		451
311	my $busy = 1;	452	my $busy = 1;
312	my @res;	453	my @res;
313		454
314	(async {	455	(async {
		456	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	457	@res = eval { $job->() };
316	warn $@ if $@;	458	warn $@ if $@;
317	undef $busy;	459	undef $busy;
318	})->prio (Coro::PRIO_MAX);	460	})->prio (Coro::PRIO_MAX);
319		461
320	while ($busy) {	462	while ($busy) {
321	Coro::cede or Event::one_event;	463	if (Coro::nready) {
		464	Coro::cede_notself;
		465	} else {
		466	EV::loop EV::LOOP_ONESHOT;
322	}	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
323		476
324	wantarray ? @res : $res[0]	477	wantarray ? @res : $res[0]
325	} else {	478	} else {
326	# we are in another coroutine, how wonderful, everything just works	479	# we are in another coroutine, how wonderful, everything just works
327		480
…		…
347	$EXT_CORO{$coro+0} = $coro;	500	$EXT_CORO{$coro+0} = $coro;
348		501
349	$coro	502	$coro
350	}	503	}
351		504
352	sub write_runtime {	505	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		506
355	my $runtime = cf::localdir . "/runtime";	507	Executes the given code block with the given arguments in a seperate
		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.
356		511
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	512	=cut
358	or return;
359		513
360	my $value = $cf::RUNTIME + 90 + 10;	514	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	515	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		516
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	517	# we seemingly have to make a local copy of the whole thing,
365	and return;	518	# otherwise perl prematurely frees the stuff :/
		519	# TODO: investigate and fix (likely this will be rather laborious)
366		520
367	# always fsync - this file is important	521	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	522	reset_signals;
369	and return;	523	&$cb
		524	}, @args;
370		525
371	close $fh	526	wantarray ? @res : $res[-1]
372	or return;	527	}
373		528
374	aio_rename "$runtime~", $runtime	529	=item $value = cf::db_get $family => $key
375	and return;
376		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($$) {
		571	my $key = "$_[0]/$_[1]";
		572
		573	cf::sync_job {
		574	BDB::db_get $DB, undef, $key, my $data;
		575
		576	$! ? ()
		577	: $data
377	1	578	}
		579	}
		580
		581	sub db_put($$$) {
		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"
378	}	654	}
379		655
380	=item cf::datalog type => key => value, ...	656	=item cf::datalog type => key => value, ...
381		657
382	Log a datalog packet of the given type with the given key-value pairs.	658	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	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")
401	to it. All such attachable objects support the following methods.	677	to it. All such attachable objects support the following methods.
402		678
403	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>
404	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
405	crossfire+).	681	Deliantra).
406		682
407	=over 4	683	=over 4
408		684
409	=item $attachable->attach ($attachment, key => $value...)	685	=item $attachable->attach ($attachment, key => $value...)
410		686
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	849	$registry = $CB_TYPE[$object_type] ||= [];
574		850
575	} elsif ($type eq "subtype") {	851	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	852	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	853	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	854	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		855
580	} elsif ($type eq "package") {	856	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	857	my $pkg = shift @arg;
582		858
583	while (my ($name, $id) = each %cb_id) {	859	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	888	_attach $registry, $klass, @attach;
613	}	889	}
614		890
615	$obj->{$name} = \%arg;	891	$obj->{$name} = \%arg;
616	} else {	892	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	893	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	894	}
619		895
620	$obj->{_attachment}{$name} = undef;	896	$obj->{_attachment}{$name} = undef;
621	}	897	}
622		898
…		…
624	if (ref $_[0]) {	900	if (ref $_[0]) {
625	_object_attach @_;	901	_object_attach @_;
626	} else {	902	} else {
627	_attach shift->_attach_registry, @_;	903	_attach shift->_attach_registry, @_;
628	}	904	}
		905	_recalc_want;
629	};	906	};
630		907
631	# all those should be optimised	908	# all those should be optimised
632	sub cf::attachable::detach {	909	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	910	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	913	delete $obj->{_attachment}{$name};
637	reattach ($obj);	914	reattach ($obj);
638	} else {	915	} else {
639	Carp::croak "cannot, currently, detach class attachments";	916	Carp::croak "cannot, currently, detach class attachments";
640	}	917	}
		918	_recalc_want;
641	};	919	};
642		920
643	sub cf::attachable::attached {	921	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	922	my ($obj, $name) = @_;
645		923
…		…
660	";	938	";
661	die if $@;	939	die if $@;
662	}	940	}
663		941
664	our $override;	942	our $override;
665	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?
666		944
667	sub override {	945	sub override {
668	$override = 1;	946	$override = 1;
669	@invoke_results = ();	947	@INVOKE_RESULTS = (@_);
670	}	948	}
671		949
672	sub do_invoke {	950	sub do_invoke {
673	my $event = shift;	951	my $event = shift;
674	my $callbacks = shift;	952	my $callbacks = shift;
675		953
676	@invoke_results = ();	954	@INVOKE_RESULTS = ();
677		955
678	local $override;	956	local $override;
679		957
680	for (@$callbacks) {	958	for (@$callbacks) {
681	eval { &{$_->[1]} };	959	eval { &{$_->[1]} };
…		…
698		976
699	Generate an object-specific event with the given arguments.	977	Generate an object-specific event with the given arguments.
700		978
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	981	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		982
705	=back	983	=back
706		984
707	=cut	985	=cut
708		986
709	#############################################################################	987	#############################################################################
710	# 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, $ob2
		1030	}
711		1031
712	sub reattach {	1032	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1033	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1034	my ($obj) = @_;
715		1035
…		…
736	cf::attachable->attach (	1056	cf::attachable->attach (
737	prio => -1000000,	1057	prio => -1000000,
738	on_instantiate => sub {	1058	on_instantiate => sub {
739	my ($obj, $data) = @_;	1059	my ($obj, $data) = @_;
740		1060
741	$data = from_json $data;	1061	$data = decode_json $data;
742		1062
743	for (@$data) {	1063	for (@$data) {
744	my ($name, $args) = @$_;	1064	my ($name, $args) = @$_;
745		1065
746	$obj->attach ($name, %{$args || {} });	1066	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1082	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1083	my ($filename, $rdata, $objs) = @_;
764		1084
765	sync_job {	1085	sync_job {
766	if (length $$rdata) {	1086	if (length $$rdata) {
		1087	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1088	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1089	$decname, length $$rdata, scalar @$objs;
769		1090
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1091	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1092	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1093	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1094	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1095	close $fh;
775		1096
776	if (@$objs) {	1097	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1099	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1100	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1101	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1102	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1103	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1104	aio_rename "$filename.pst~", "$filename.pst";
784	}	1105	}
…		…
792	}	1113	}
793	} else {	1114	} else {
794	aio_unlink $filename;	1115	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1116	aio_unlink "$filename.pst";
796	}	1117	}
797	}	1118	};
798	}	1119	}
799		1120
800	sub object_freezer_as_string {	1121	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1122	my ($rdata, $objs) = @_;
802		1123
…		…
814	or return;	1135	or return;
815		1136
816	unless (aio_stat "$filename.pst") {	1137	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1138	(aio_load "$filename.pst", $av) >= 0
818	or return;	1139	or return;
		1140
819	$av = eval { (Storable::thaw $av)->{objs} };	1141	my $st = eval { Coro::Storable::thaw $av };
		1142	$av = $st->{objs};
820	}	1143	}
821		1144
		1145	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1146	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1147	$decname, length $data, scalar @{$av || []};
		1148
824	return ($data, $av);	1149	($data, $av)
825	}	1150	}
		1151
		1152	=head2 COMMAND CALLBACKS
		1153
		1154	=over 4
		1155
		1156	=cut
826		1157
827	#############################################################################	1158	#############################################################################
828	# command handling &c	1159	# command handling &c
829		1160
830	=item cf::register_command $name => \&callback($ob,$args);	1161	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1174	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1175	}
845		1176
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1177	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1178
848	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.
849		1184
850	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
851	called.	1186	called.
852		1187
		1188	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1189
		1190	Register a callback for execution when the client sends an (asynchronous)
		1191	exticmd packet. Exti commands are processed by the server as soon as they
		1192	are received, i.e. out of order w.r.t. other commands. The first argument
		1193	is a client socket. Exti commands can be received anytime, even before
		1194	log-in.
		1195
		1196	If the callback returns something, it is sent back as if reply was being
		1197	called.
		1198
853	=cut	1199	=cut
854		1200
855	sub register_extcmd {	1201	sub register_extcmd {
856	my ($name, $cb) = @_;	1202	my ($name, $cb) = @_;
857		1203
858	$EXTCMD{$name} = $cb;	1204	$EXTCMD{$name} = $cb;
		1205	}
		1206
		1207	sub register_exticmd {
		1208	my ($name, $cb) = @_;
		1209
		1210	$EXTICMD{$name} = $cb;
859	}	1211	}
860		1212
861	cf::player->attach (	1213	cf::player->attach (
862	on_command => sub {	1214	on_command => sub {
863	my ($pl, $name, $params) = @_;	1215	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1224	cf::override;
873	},	1225	},
874	on_extcmd => sub {	1226	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1227	my ($pl, $buf) = @_;
876		1228
877	my $msg = eval { from_json $buf };	1229	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1230
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1239	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1240	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1241	}
		1242
		1243	$pl->ext_reply ($reply, @reply)
		1244	if $reply;
		1245
885	} else {	1246	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1247	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1248	}
888		1249
889	cf::override;	1250	cf::override;
890	},	1251	},
891	);	1252	);
892		1253
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1254	sub load_extensions {
		1255	cf::sync_job {
		1256	my %todo;
		1257
928	for my $ext (<$LIBDIR/*.ext>) {	1258	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1259	next unless -r $path;
930	eval {	1260
931	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	$progress = 1;
932	1	1318	}
933	} or warn "$ext not loaded: $@";	1319
		1320	skip:
		1321	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1322	unless $progress;
		1323	}
934	}	1324	};
935	}	1325	}
936		1326
937	#############################################################################	1327	#############################################################################
938		1328
		1329	=back
		1330
939	=head2 CORE EXTENSIONS	1331	=head2 CORE EXTENSIONS
940		1332
941	Functions and methods that extend core crossfire objects.	1333	Functions and methods that extend core crossfire objects.
942		1334
943	=cut	1335	=cut
…		…
948		1340
949	=head3 cf::player	1341	=head3 cf::player
950		1342
951	=over 4	1343	=over 4
952		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
953	=item cf::player::find $login	1359	=item cf::player::find $login
954		1360
955	Returns the given player object, loading it if necessary (might block).	1361	Returns the given player object, loading it if necessary (might block).
956		1362
957	=cut	1363	=cut
958		1364
959	sub playerdir($) {	1365	sub playerdir($) {
960	cf::localdir	1366	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1367	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1368	}
966		1369
967	sub path($) {	1370	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1371	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1398	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1399	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1400	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1401	aio_unlink +(playerdir $login) . "/$login.pl";
999		1402
1000	my $pl = load_pl path $login	1403	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1410	$cf::PLAYER{$login} = $pl
1003	}	1411	}
1004	}	1412	}
1005	}	1413	}
1006		1414
…		…
1016		1424
1017	aio_mkdir playerdir $pl, 0770;	1425	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1426	$pl->{last_save} = $cf::RUNTIME;
1019		1427
1020	$pl->save_pl ($path);	1428	$pl->save_pl ($path);
1021	Coro::cede;	1429	cf::cede_to_tick;
1022	}	1430	}
1023		1431
1024	sub new($) {	1432	sub new($) {
1025	my ($login) = @_;	1433	my ($login) = @_;
1026		1434
…		…
1030	$self->{deny_save} = 1;	1438	$self->{deny_save} = 1;
1031		1439
1032	$cf::PLAYER{$login} = $self;	1440	$cf::PLAYER{$login} = $self;
1033		1441
1034	$self	1442	$self
		1443	}
		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 (@_);
1035	}	1453	}
1036		1454
1037	=item $pl->quit_character	1455	=item $pl->quit_character
1038		1456
1039	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
…		…
1088	while and may block, so not sync_job-capable, ever.	1506	while and may block, so not sync_job-capable, ever.
1089		1507
1090	=cut	1508	=cut
1091		1509
1092	sub list_logins {	1510	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1511	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1512	or return [];
1095		1513
1096	my @logins;	1514	my @logins;
1097		1515
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1521	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1522	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1523	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1524	}
1102		1525
1103	utf8::decode $login;	1526	utf8::decode $login;
1104	push @logins, $login;	1527	push @logins, $login;
1105	}	1528	}
1106		1529
…		…
1133	}	1556	}
1134		1557
1135	\@paths	1558	\@paths
1136	}	1559	}
1137		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
1138	=item $player->ext_reply ($msgid, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1139		1655
1140	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1141		1657
1142	=cut	1658	=cut
1143		1659
1144	sub ext_reply($$%) {	1660	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1146		1662
1147	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1664	}
1151		1665
1152	=item $player->ext_event ($type, %msg)	1666	=item $player->ext_msg ($type, @msg)
1153		1667
1154	Sends an ext event to the client.	1668	Sends an ext event to the client.
1155		1669
1156	=cut	1670	=cut
1157		1671
1158	sub ext_event($$%) {	1672	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1673	my ($self, $type, @msg) = @_;
1160		1674
1161	$self->ns->ext_event ($type, %msg);	1675	$self->ns->ext_msg ($type, @msg);
1162	}	1676	}
1163		1677
1164	package cf;	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	$match
		1705	}
1165		1706
1166	=back	1707	=back
1167
1168		1708
1169	=head3 cf::map	1709	=head3 cf::map
1170		1710
1171	=over 4	1711	=over 4
1172		1712
…		…
1227	my ($self, $merge) = @_;	1767	my ($self, $merge) = @_;
1228		1768
1229	# we have to keep some variables in memory intact	1769	# we have to keep some variables in memory intact
1230	local $self->{path};	1770	local $self->{path};
1231	local $self->{load_path};	1771	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1772
1235	$self->SUPER::thawer_merge ($merge);	1773	$self->SUPER::thawer_merge ($merge);
1236	}	1774	}
1237		1775
1238	sub normalise {	1776	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1286	return $self;	1824	return $self;
1287	}	1825	}
1288	}	1826	}
1289		1827
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1829	()
1292	}	1830	}
1293		1831
1294	sub init {	1832	sub init {
1295	my ($self) = @_;	1833	my ($self) = @_;
…		…
1310		1848
1311	# the original (read-only) location	1849	# the original (read-only) location
1312	sub load_path {	1850	sub load_path {
1313	my ($self) = @_;	1851	my ($self) = @_;
1314		1852
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1853	"$MAPDIR/$self->{path}.map"
1316	}	1854	}
1317		1855
1318	# the temporary/swap location	1856	# the temporary/swap location
1319	sub save_path {	1857	sub save_path {
1320	my ($self) = @_;	1858	my ($self) = @_;
1321		1859
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1861	"$TMPDIR/$path.map"
1324	}	1862	}
1325		1863
1326	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1327	sub uniq_path {	1865	sub uniq_path {
1328	my ($self) = @_;	1866	my ($self) = @_;
1329		1867
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1869	"$UNIQUEDIR/$path"
1332	}	1870	}
1333		1871
1334	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1335	# all maps in C++...	1873	# all maps in C++...
1336	sub change_all_map_light {	1874	sub change_all_map_light {
…		…
1338		1876
1339	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1340	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1341	}	1879	}
1342		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1343	sub unlink_save {	1889	sub unlink_save {
1344	my ($self) = @_;	1890	my ($self) = @_;
1345		1891
1346	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1350		1896
1351	sub load_header_from($) {	1897	sub load_header_from($) {
1352	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1353		1899
1354	utf8::encode $path;	1900	utf8::encode $path;
1355	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1356	# or return;
1357
1358	$self->_load_header ($path)
1359	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;
1360		1909
1361	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1362		1911
1363	1	1912	1
1364	}	1913	}
…		…
1403	$self->load_header_orig	1952	$self->load_header_orig
1404	or return;	1953	or return;
1405	$self->prepare_orig;	1954	$self->prepare_orig;
1406	}	1955	}
1407		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 $self->default_region;
		1962
1408	1	1963	1
1409	}	1964	}
1410		1965
1411	sub find;	1966	sub find;
1412	sub find {	1967	sub find {
1413	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1414		1969
1415	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1416		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1417	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1418		1974
1419	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
1420	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
1421	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1422	or return;	1980	or return;
1423		1981
1424	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1425		1983
1426	$map->load_header	1984	$map->load_header
1427	or return;	1985	or return;
1428		1986
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard1;
		1991	undef $guard2;
1432	$map->reset;	1992	$map->reset;
1433	undef $guard;
1434	return find $path;	1993	return find $path;
1435	}	1994	}
1436		1995
1437	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1438	}	1997	}
…		…
1445	my ($self) = @_;	2004	my ($self) = @_;
1446		2005
1447	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1448		2007
1449	my $path = $self->{path};	2008	my $path = $self->{path};
		2009
		2010	{
1450	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1451		2012
		2013	return unless $self->valid;
1452	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1453		2015
1454	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1455		2017
1456	$self->alloc;	2018	$self->alloc;
1457		2019
1458	$self->pre_load;	2020	$self->pre_load;
		2021	cf::cede_to_tick;
1459		2022
1460	$self->_load_objects ($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)
1461	or return;	2026	or return;
1462		2027
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1464	if delete $self->{load_original};	2029	if delete $self->{load_original};
1465		2030
1466	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	2032	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1469	$self->clear_unique_items;	2035	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1471	}	2039	}
1472	}	2040	}
1473		2041
1474	Coro::cede;	2042	$f->resolve_delayed_derefs;
1475		2043
		2044	cf::cede_to_tick;
1476	# now do the right thing for maps	2045	# now do the right thing for maps
1477	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;
1484	$self->set_darkness_map;
1485	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	2048	unless $self->difficulty;
1487	Coro::cede;	2049	cf::cede_to_tick;
		2050
		2051	unless ($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;
1488	$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);
1489	}	2065	}
1490		2066
1491	$self->post_load;	2067	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	2068	}
1495		2069
1496	sub customise_for {	2070	sub customise_for {
1497	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1498		2072
1499	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	2074	if $self->per_player;
1501		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1502	$self	2079	$self
1503	}	2080	}
1504		2081
1505	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	2083	sub load_neighbours {
1507	my ($map) = @_;	2084	my ($map) = @_;
1508		2085
1509	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1510		2087
1511	for (0 .. 3) {	2088	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1513	or next;	2090	or next;
1514	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1515	or next;	2092	or next;
1516	$neigh->load;	2093	$neigh->load;
1517		2094
		2095	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	2098	}
1521		2099
1522	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1524	or next;	2103	or next;
1525	$neigh->load;	2104	$neigh->load;
1526	}	2105	}
1527	}	2106	}
1528		2107
…		…
1533	}	2112	}
1534		2113
1535	sub do_load_sync {	2114	sub do_load_sync {
1536	my ($map) = @_;	2115	my ($map) = @_;
1537		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1538	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1539	}	2121	}
1540		2122
1541	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1543		2125
1544	sub find_async {	2126	sub find_async {
1545	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1546		2128
1547	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1548		2130
1549	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1551	}	2133	}
1552		2134
1553	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1554	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1555	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	2142	if (my $map = find $k) {
1558	or next;
1559	$map->load;	2143	$map->load if $v;
		2144	}
1560		2145
1561	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1562	}	2147	}
1563	}	2148	}
1564	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1565	};	2150	};
1566	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1569	}	2154	}
1570		2155
1571	sub save {	2156	sub save {
1572	my ($self) = @_;	2157	my ($self) = @_;
1573		2158
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2160
1576	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1577		2162
1578	return unless $self->dirty;	2163	return unless $self->dirty;
1579		2164
…		…
1585	return if $self->{deny_save};	2170	return if $self->{deny_save};
1586		2171
1587	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1588		2173
1589	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1590	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1591	};	2177	};
1592		2178
1593	if ($uniq) {	2179	if ($uniq) {
1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2180	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1602	my ($self) = @_;	2188	my ($self) = @_;
1603		2189
1604	# save first because save cedes	2190	# save first because save cedes
1605	$self->save;	2191	$self->save;
1606		2192
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2193	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2194
1609	return if $self->players;	2195	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;	2196	return if $self->in_memory != cf::MAP_IN_MEMORY;
1611	return if $self->{deny_save};	2197	return if $self->{deny_save};
1612		2198
		2199	$self->in_memory (cf::MAP_SWAPPED);
		2200
		2201	$self->deactivate;
		2202	$_->clear_links_to ($self) for values %cf::MAP;
1613	$self->clear;	2203	$self->clear;
1614	$self->in_memory (cf::MAP_SWAPPED);
1615	}	2204	}
1616		2205
1617	sub reset_at {	2206	sub reset_at {
1618	my ($self) = @_;	2207	my ($self) = @_;
1619		2208
1620	# TODO: safety, remove and allow resettable per-player maps	2209	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2210	return 1e99 if $self->{deny_reset};
1623		2211
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2212	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2213	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2214
…		…
1637	my ($self) = @_;	2225	my ($self) = @_;
1638		2226
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2227	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2228
1641	return if $self->players;	2229	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2230
1644	warn "resetting map ", $self->path;#d#	2231	warn "resetting map ", $self->path;
1645		2232
1646	$self->in_memory (cf::MAP_SWAPPED);	2233	$self->in_memory (cf::MAP_SWAPPED);
1647		2234
1648	# need to save uniques path	2235	# need to save uniques path
1649	unless ($self->{deny_save}) {	2236	unless ($self->{deny_save}) {
…		…
1653	if $uniq;	2240	if $uniq;
1654	}	2241	}
1655		2242
1656	delete $cf::MAP{$self->path};	2243	delete $cf::MAP{$self->path};
1657		2244
		2245	$self->deactivate;
		2246	$_->clear_links_to ($self) for values %cf::MAP;
1658	$self->clear;	2247	$self->clear;
1659
1660	$_->clear_links_to ($self) for values %cf::MAP;
1661		2248
1662	$self->unlink_save;	2249	$self->unlink_save;
1663	$self->destroy;	2250	$self->destroy;
1664	}	2251	}
1665		2252
1666	my $nuke_counter = "aaaa";	2253	my $nuke_counter = "aaaa";
1667		2254
1668	sub nuke {	2255	sub nuke {
1669	my ($self) = @_;	2256	my ($self) = @_;
1670		2257
		2258	{
		2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2260
1671	delete $cf::MAP{$self->path};	2261	delete $cf::MAP{$self->path};
1672		2262
1673	$self->unlink_save;	2263	$self->unlink_save;
1674		2264
1675	bless $self, "cf::map";	2265	bless $self, "cf::map";
1676	delete $self->{deny_reset};	2266	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2267	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2268	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2269	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2270
1681	$cf::MAP{$self->path} = $self;	2271	$cf::MAP{$self->path} = $self;
		2272	}
1682		2273
1683	$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	]
1684	}	2311	}
1685		2312
1686	=item cf::map::unique_maps	2313	=item cf::map::unique_maps
1687		2314
1688	Returns an arrayref of paths of all shared maps that have	2315	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2316	instantiated unique items. May block.
1690		2317
1691	=cut	2318	=cut
1692		2319
1693	sub unique_maps() {	2320	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2321	[
1695	or return;	2322	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2323	utf8::decode $_;
1701	next if /\.pst$/;	2324	/\.map$/
1702	next unless /^$PATH_SEP/o;	2325	? normalise $_
1703		2326	: ()
1704	push @paths, cf::map::normalise $_;	2327	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2328	]
1706
1707	\@paths
1708	}	2329	}
1709		2330
1710	package cf;	2331	package cf;
1711		2332
1712	=back	2333	=back
…		…
1730	map { $_, inv_recursive_ $_->inv } @_	2351	map { $_, inv_recursive_ $_->inv } @_
1731	}	2352	}
1732		2353
1733	sub inv_recursive {	2354	sub inv_recursive {
1734	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	}
1735	}	2384	}
1736		2385
1737	package cf;	2386	package cf;
1738		2387
1739	=back	2388	=back
…		…
1758		2407
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2409
1761	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1763	} 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 {
1764	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2422	$self->message ($msg, $flags);
		2423	}
1766	}	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 (@_);
1767	}	2435	}
1768		2436
1769	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1770		2438
1771	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
1818	$self->deactivate_recursive;	2486	$self->deactivate_recursive;
1819		2487
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2488	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2489
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2490	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2491	if $self->map && $self->map->{path} ne "{link}";
1824		2492
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2493	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2494	}
1827		2495
1828	sub cf::object::player::leave_link {	2496	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2497	my ($self, $map, $x, $y) = @_;
		2498
		2499	return unless $self->contr->active;
1830		2500
1831	my $link_pos = delete $self->{_link_pos};	2501	my $link_pos = delete $self->{_link_pos};
1832		2502
1833	unless ($map) {	2503	unless ($map) {
1834	# restore original map position	2504	# restore original map position
…		…
1848	# use -1 or undef as default coordinates, not 0, 0	2518	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2519	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2520	if $x <=0 && $y <= 0;
1851		2521
1852	$map->load;	2522	$map->load;
1853	$map->load_diag;	2523	$map->load_neighbours;
1854		2524
1855	return unless $self->contr->active;	2525	return unless $self->contr->active;
1856	$self->activate_recursive;	2526	$self->activate_recursive;
1857		2527
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2528	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2529	$self->enter_map ($map, $x, $y);
1860	}	2530	}
1861		2531
1862	cf::player->attach (	2532	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863	on_logout => sub {
1864	my ($pl) = @_;
1865		2533
1866	# abort map switching before logout	2534	Moves the player to the given map-path and coordinates by first freezing
1867	if ($pl->ob->{_link_pos}) {	2535	her, loading and preparing them map, calling the provided $check callback
1868	cf::sync_job {	2536	that has to return the map if sucecssful, and then unfreezes the player on
1869	$pl->ob->leave_link	2537	the new (success) or old (failed) map position. In either case, $done will
1870	};	2538	be called at the end of this process.
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2539
1876	# try to abort aborted map switching on player login :)
1877	# should happen only on crashes
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893
1894	=item $player_object->goto ($path, $x, $y)
1895
1896	=cut	2540	=cut
		2541
		2542	our $GOTOGEN;
1897		2543
1898	sub cf::object::player::goto {	2544	sub cf::object::player::goto {
1899	my ($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;
1900		2549
1901	$self->enter_link;	2550	$self->enter_link;
1902		2551
1903	(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
1904	my $map = eval {	2574	my $map = eval {
1905	my $map = cf::map::find $path;	2575	my $map = defined $path ? cf::map::find $path : undef;
		2576
		2577	if ($map) {
1906	$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
1907	$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 $@;
1908	} or	2590	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2591
		2592	if ($gen == $self->{_goto_generation}) {
		2593	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2594	$self->leave_link ($map, $x, $y);
		2595	}
		2596
		2597	$done->() if $done;
1912	})->prio (1);	2598	})->prio (1);
1913	}	2599	}
1914		2600
1915	=item $player_object->enter_exit ($exit_object)	2601	=item $player_object->enter_exit ($exit_object)
1916		2602
…		…
1953	$rmp->{origin_y} = $exit->y;	2639	$rmp->{origin_y} = $exit->y;
1954	}	2640	}
1955		2641
1956	$rmp->{random_seed} ||= $exit->random_seed;	2642	$rmp->{random_seed} ||= $exit->random_seed;
1957		2643
1958	my $data = cf::to_json $rmp;	2644	my $data = cf::encode_json $rmp;
1959	my $md5 = Digest::MD5::md5_hex $data;	2645	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2646	my $meta = "$RANDOMDIR/$md5.meta";
1961		2647
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2648	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2649	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2650	undef $fh;
1965	aio_rename "$meta~", $meta;	2651	aio_rename "$meta~", $meta;
…		…
1985	my $hp = $exit->stats->hp;	2671	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;	2672	my $sp = $exit->stats->sp;
1987		2673
1988	$self->enter_link;	2674	$self->enter_link;
1989		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
1990	(async {	2680	(async {
		2681	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2682
1991	$self->deactivate_recursive; # just to be sure	2683	$self->deactivate_recursive; # just to be sure
1992	unless (eval {	2684	unless (eval {
1993	$self->goto ($slaying, $hp, $sp);	2685	$self->goto ($slaying, $hp, $sp);
1994		2686
1995	1;	2687	1;
…		…
2021		2713
2022	utf8::encode $text;	2714	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2715	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2716	}
2025		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
2026	=item $client->ext_event ($type, %msg)	2842	=item $client->ext_msg ($type, @msg)
2027		2843
2028	Sends an exti event to the client.	2844	Sends an ext event to the client.
2029		2845
2030	=cut	2846	=cut
2031		2847
2032	sub cf::client::ext_event($$%) {	2848	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	2849	my ($self, $type, @msg) = @_;
2034		2850
		2851	if ($self->extcmd == 2) {
		2852	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2853	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	2854	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	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	}
2037	}	2875	}
2038		2876
2039	=item $success = $client->query ($flags, "text", \&cb)	2877	=item $success = $client->query ($flags, "text", \&cb)
2040		2878
2041	Queues a query to the client, calling the given callback with	2879	Queues a query to the client, calling the given callback with
2042	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>,
2043	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>.
2044		2882
2045	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
2046	reliable at some point in the future.	2884	become reliable at some point in the future.
2047		2885
2048	=cut	2886	=cut
2049		2887
2050	sub cf::client::query {	2888	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	2889	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	2897	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		2899
2062	$self->send_packet ($self->{query_queue}[0][0])	2900	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	2901	if @{ $self->{query_queue} } == 1;
		2902
		2903	1
2064	}	2904	}
2065		2905
2066	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	},
2067	on_reply => sub {	2912	on_reply => sub {
2068	my ($ns, $msg) = @_;	2913	my ($ns, $msg) = @_;
2069		2914
2070	# this weird shuffling is so that direct followup queries	2915	# this weird shuffling is so that direct followup queries
2071	# get handled first	2916	# get handled first
…		…
2083	} else {	2928	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2929	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	2930	}
2086	}	2931	}
2087	},	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	},
2088	);	2959	);
2089		2960
2090	=item $client->async (\&cb)	2961	=item $client->async (\&cb)
2091		2962
2092	Create a new coroutine, running the specified callback. The coroutine will	2963	Create a new coroutine, running the specified callback. The coroutine will
…		…
2133	our $safe = new Safe "safe";	3004	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	3005	our $safe_hole = new Safe::Hole;
2135		3006
2136	$SIG{FPE} = 'IGNORE';	3007	$SIG{FPE} = 'IGNORE';
2137		3008
2138	$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	));
2139		3014
2140	# here we export the classes and methods available to script code	3015	# here we export the classes and methods available to script code
2141		3016
2142	=pod	3017	=pod
2143		3018
2144	The following functions and methods are available within a safe environment:	3019	The following functions and methods are available within a safe environment:
2145		3020
2146	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
2147	cf::object::player player	3025	cf::object::player
2148	cf::player peaceful	3026	player
2149	cf::map trigger	3027
		3028	cf::player
		3029	peaceful
		3030
		3031	cf::map
		3032	trigger
2150		3033
2151	=cut	3034	=cut
2152		3035
2153	for (	3036	for (
2154	["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)],
2155	["cf::object::player" => qw(player)],	3040	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	3041	["cf::player" => qw(peaceful)],
2157	["cf::map" => qw(trigger)],	3042	["cf::map" => qw(trigger)],
2158	) {	3043	) {
2159	no strict 'refs';	3044	no strict 'refs';
…		…
2230	=back	3115	=back
2231		3116
2232	=cut	3117	=cut
2233		3118
2234	#############################################################################	3119	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305
2306	#############################################################################
2307	# the server's init and main functions	3120	# the server's init and main functions
2308		3121
2309	sub load_facedata {	3122	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	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;
2311		3130
2312	warn "loading facedata from $path\n";	3131	warn "loading facedata from $path\n";
2313		3132
2314	my $facedata;	3133	my $facedata;
2315	0 < aio_load $path, $facedata	3134	0 < aio_load $path, $facedata
…		…
2318	$facedata = Coro::Storable::thaw $facedata;	3137	$facedata = Coro::Storable::thaw $facedata;
2319		3138
2320	$facedata->{version} == 2	3139	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3140	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		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
2323	{	3149	{
2324	my $faces = $facedata->{faceinfo};	3150	my $faces = $facedata->{faceinfo};
2325		3151
2326	while (my ($face, $info) = each %$faces) {	3152	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3153	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3154	cf::face::set_visibility $idx, $info->{visibility};
		3155	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3156	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3157	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	3158
		3159	cf::cede_to_tick;
2332	}	3160	}
2333		3161
2334	while (my ($face, $info) = each %$faces) {	3162	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3163	next unless $info->{smooth};
2336	my $idx = cf::face::find $face	3164	my $idx = cf::face::find $face
2337	or next;	3165	or next;
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3166	if (my $smooth = cf::face::find $info->{smooth}) {
		3167	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3168	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3169	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3170	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3171	}
2343	Coro::cede;	3172
		3173	cf::cede_to_tick;
2344	}	3174	}
2345	}	3175	}
2346		3176
2347	{	3177	{
2348	my $anims = $facedata->{animinfo};	3178	my $anims = $facedata->{animinfo};
2349		3179
2350	while (my ($anim, $info) = each %$anims) {	3180	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3181	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3182	cf::cede_to_tick;
2353	}	3183	}
2354		3184
2355	cf::anim::invalidate_all; # d'oh	3185	cf::anim::invalidate_all; # d'oh
2356	}	3186	}
2357		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
2358	1	3237	1
2359	}	3238	}
2360		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"
		3254	or die "unable to load regions file\n";
		3255
		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
2361	sub reload_resources {	3282	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3283	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3284
		3285	reload_regions;
2364	load_facedata	3286	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3287	#reload_archetypes;#d#
		3288	reload_archetypes;
		3289	reload_treasures;
		3290
		3291	warn "finished reloading resource files\n";
2366	}	3292	}
2367		3293
2368	sub init {	3294	sub init {
2369	reload_resources;	3295	reload_resources;
2370	}	3296	}
2371		3297
2372	sub cfg_load {	3298	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3299	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3300	or return;
2375		3301
2376	local $/;	3302	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3303	*CFG = YAML::Syck::Load <$fh>;
2378		3304
…		…
2393	sub main {	3319	sub main {
2394	# we must not ever block the main coroutine	3320	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3321	local $Coro::idle = sub {
2396	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#
2397	(async {	3323	(async {
2398	Event::one_event;	3324	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3325	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3326	})->prio (Coro::PRIO_MAX);
2400	};	3327	};
2401		3328
2402	cfg_load;	3329	reload_config;
2403	db_init;	3330	db_init;
2404	load_extensions;	3331	load_extensions;
2405		3332
2406	$TICK_WATCHER->start;	3333	$TICK_WATCHER->start;
		3334	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2407	Event::loop;	3335	EV::loop;
2408	}	3336	}
2409		3337
2410	#############################################################################	3338	#############################################################################
2411	# initialisation and cleanup	3339	# initialisation and cleanup
2412		3340
2413	# install some emergency cleanup handlers	3341	# install some emergency cleanup handlers
2414	BEGIN {	3342	BEGIN {
		3343	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3344	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3345	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3346	cf::cleanup "SIG$signal";
2423	},
2424	);	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
2425	}	3386	1
2426	}	3387	}
2427		3388
2428	sub emergency_save() {	3389	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3390	my $freeze_guard = cf::freeze_mainloop;
2430		3391
…		…
2436	# and maps saved/destroyed asynchronously.	3397	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3398	warn "begin emergency player save\n";
2438	for my $login (keys %cf::PLAYER) {	3399	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3400	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3401	$pl->valid or next;
		3402	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3403	$pl->save;
2442	}	3404	}
2443	warn "end emergency player save\n";	3405	warn "end emergency player save\n";
2444		3406
2445	warn "begin emergency map save\n";	3407	warn "begin emergency map save\n";
…		…
2463		3425
2464	warn Carp::longmess "post_cleanup backtrace"	3426	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3427	if $make_core;
2466	}	3428	}
2467		3429
2468	sub reload() {	3430	sub do_reload_perl() {
2469	# can/must only be called in main	3431	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3432	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3433	warn "can only reload from main coroutine";
2472	return;	3434	return;
2473	}	3435	}
…		…
2484	warn "syncing database to disk";	3446	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;	3447	BDB::db_env_txn_checkpoint $DB_ENV;
2486		3448
2487	# 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
2488		3450
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";	3451	warn "flushing outstanding aio requests";
2495	for (;;) {	3452	for (;;) {
2496	BDB::flush;	3453	BDB::flush;
2497	IO::AIO::flush;	3454	IO::AIO::flush;
2498	Coro::cede;	3455	Coro::cede_notself;
2499	last unless IO::AIO::nreqs || BDB::nreqs;	3456	last unless IO::AIO::nreqs || BDB::nreqs;
2500	warn "iterate...";	3457	warn "iterate...";
2501	}	3458	}
2502		3459
2503	++$RELOAD;	3460	++$RELOAD;
…		…
2507	%EXT_CORO = ();	3464	%EXT_CORO = ();
2508		3465
2509	warn "removing commands";	3466	warn "removing commands";
2510	%COMMAND = ();	3467	%COMMAND = ();
2511		3468
2512	warn "removing ext commands";	3469	warn "removing ext/exti commands";
2513	%EXTCMD = ();	3470	%EXTCMD = ();
		3471	%EXTICMD = ();
2514		3472
2515	warn "unloading/nuking all extensions";	3473	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {	3474	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";	3475	warn "... unloading $pkg";
2518		3476
…		…
2548	Symbol::delete_package "safe::$_"	3506	Symbol::delete_package "safe::$_"
2549	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);
2550		3508
2551	warn "unloading cf.pm \"a bit\"";	3509	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3510	delete $INC{"cf.pm"};
		3511	delete $INC{"cf/pod.pm"};
2553		3512
2554	# don't, removes xs symbols, too,	3513	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3514	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3515	#Symbol::delete_package __PACKAGE__;
2557		3516
…		…
2560	warn "reloading cf.pm";	3519	warn "reloading cf.pm";
2561	require cf;	3520	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3521	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3522
2564	warn "loading config and database again";	3523	warn "loading config and database again";
2565	cf::cfg_load;	3524	cf::reload_config;
2566		3525
2567	warn "loading extensions";	3526	warn "loading extensions";
2568	cf::load_extensions;	3527	cf::load_extensions;
2569		3528
2570	warn "reattaching attachments to objects/players";	3529	warn "reattaching attachments to objects/players";
…		…
2572	warn "reattaching attachments to maps";	3531	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3532	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3533	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3534	reattach $_ for values %PLAYER;
2576		3535
2577	warn "loading reloadable resources";
2578	reload_resources;
2579
2580	warn "leaving sync_job";	3536	warn "leaving sync_job";
2581		3537
2582	1	3538	1
2583	} or do {	3539	} or do {
2584	warn $@;	3540	warn $@;
…		…
2589	warn "reloaded";	3545	warn "reloaded";
2590	};	3546	};
2591		3547
2592	our $RELOAD_WATCHER; # used only during reload	3548	our $RELOAD_WATCHER; # used only during reload
2593		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
2594	register_command "reload" => sub {	3560	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3561	my ($who, $arg) = @_;
2596		3562
2597	if ($who->flag (FLAG_WIZ)) {	3563	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3564	$who->message ("reloading server.");
2599		3565	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3566	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	3567	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3568	};
2612	}	3569	}
2613	};	3570	};
2614		3571
2615	unshift @INC, $LIBDIR;	3572	unshift @INC, $LIBDIR;
2616		3573
2617	my $bug_warning = 0;	3574	my $bug_warning = 0;
2618		3575
2619	$TICK_WATCHER = Event->timer (	3576	our @WAIT_FOR_TICK;
2620	reentrant => 0,	3577	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	3578
2622	prio => 0,	3579	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	3580	return unless $TICK_WATCHER->is_active;
2624	data => WF_AUTOCANCEL,	3581	return if $Coro::current == $Coro::main;
2625	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 {
2626	if ($Coro::current != $Coro::main) {	3598	if ($Coro::current != $Coro::main) {
2627	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"
2628	unless ++$bug_warning > 10;	3600	unless ++$bug_warning > 10;
2629	return;	3601	return;
2630	}	3602	}
2631		3603
2632	$NOW = Event::time;	3604	$NOW = $tick_start = EV::now;
2633		3605
2634	cf::server_tick; # one server iteration	3606	cf::server_tick; # one server iteration
		3607
2635	$RUNTIME += $TICK;	3608	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;	3609	$NEXT_TICK += $TICK;
2637		3610
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3611	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3612	$NEXT_RUNTIME_WRITE = $NOW + 10;
2640	Coro::async_pool {	3613	Coro::async_pool {
		3614	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	3615	write_runtime
2642	or warn "ERROR: unable to write runtime file: $!";	3616	or warn "ERROR: unable to write runtime file: $!";
2643	};
2644	}	3617	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	3618	}
2658	);	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);
2659		3633
2660	{	3634	{
2661	BDB::max_poll_time $TICK * 0.1;
2662	$BDB_POLL_WATCHER = Event->io (
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	3635	BDB::min_parallel 8;
2671		3636	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		3637
2687	unless ($DB_ENV) {	3638	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	3639	$DB_ENV = BDB::db_env_create;
		3640	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3641	| BDB::LOG_AUTOREMOVE, 1);
		3642	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3643	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		3644
2690	cf::sync_job {	3645	cf::sync_job {
2691	eval {	3646	eval {
2692	BDB::db_env_open	3647	BDB::db_env_open
2693	$DB_ENV,	3648	$DB_ENV,
2694	$BDB_ENV_DIR,	3649	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3650	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3651	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3652	0666;
2698		3653
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3654	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	3655	};
2704		3656
2705	cf::cleanup "db_env_open(db): $@" if $@;	3657	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3658	};
2707	}	3659	}
		3660
		3661	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3662	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3663	};
		3664	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3665	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3666	};
		3667	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3668	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3669	};
2708	}	3670	}
2709		3671
2710	{	3672	{
2711	IO::AIO::min_parallel 8;	3673	IO::AIO::min_parallel 8;
2712		3674
2713	undef $Coro::AIO::WATCHER;	3675	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	3676	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	3677	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	3678	}
		3679
		3680	my $_log_backtrace;
		3681
		3682	sub _log_backtrace {
		3683	my ($msg, @addr) = @_;
		3684
		3685	$msg =~ s/\n//;
		3686
		3687	# limit the # of concurrent backtraces
		3688	if ($_log_backtrace < 2) {
		3689	++$_log_backtrace;
		3690	async {
		3691	$Coro::current->{desc} = "abt $msg";
		3692
		3693	my @bt = fork_call {
		3694	@addr = map { sprintf "%x", $_ } @addr;
		3695	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3696	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3697	or die "addr2line: $!";
		3698
		3699	my @funcs;
		3700	my @res = <$fh>;
		3701	chomp for @res;
		3702	while (@res) {
		3703	my ($func, $line) = splice @res, 0, 2, ();
		3704	push @funcs, "[$func] $line";
		3705	}
		3706
		3707	@funcs
		3708	};
		3709
		3710	LOG llevInfo, "[ABT] $msg\n";
		3711	LOG llevInfo, "[ABT] $_\n" for @bt;
		3712	--$_log_backtrace;
		3713	};
		3714	} else {
		3715	LOG llevInfo, "[ABT] $msg\n";
		3716	LOG llevInfo, "[ABT] [suppressed]\n";
		3717	}
		3718	}
		3719
		3720	# load additional modules
		3721	use cf::pod;
2724		3722
2725	END { cf::emergency_save }	3723	END { cf::emergency_save }
2726		3724
2727	1	3725	1
2728		3726

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