ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.229 by root, Sun Apr 1 00:36:34 2007 UTC vs.
Revision 1.407 by root, Sun Jan 13 09:53:53 2008 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 1.86;
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;
		24	use Coro::Storable;
		25	use Coro::Util ();
21		26
		27	use JSON::XS 2.01 ();
22	use BDB ();	28	use BDB ();
23	use Data::Dumper;	29	use Data::Dumper;
24	use Digest::MD5;	30	use Digest::MD5;
25	use Fcntl;	31	use Fcntl;
26	use YAML::Syck ();	32	use YAML::Syck ();
27	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
28	use Time::HiRes;	34	use Time::HiRes;
29	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
30		37
31	# configure various modules to our taste	38	# configure various modules to our taste
32	#	39	#
		40	$Storable::canonical = 1; # reduce rsync transfers
33	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
34	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
35		43
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# 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?
39	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
40		46
41	$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
42		48
…		…
45	our %COMMAND = ();	51	our %COMMAND = ();
46	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
47		53
48	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
52		59
53	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
54	our @EVENT;	61	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		62
57	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	our %RESOURCE;
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
58	our $TICK_WATCHER;	77	our $TICK_WATCHER;
59	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	80	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		82
65	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	87	our $DB_ENV;
67		88
68	our %CFG;	89	our %CFG;
69		90
70	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
72		94
73	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		98
82	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
85	binmode STDOUT;	106	binmode STDOUT;
86	binmode STDERR;	107	binmode STDERR;
87		108
88	# read virtual server time, if available	109	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
90	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
91	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
92	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
93	}	114	}
94		115
95	mkdir cf::localdir;	116	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		118
102	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
103		120
104	sub cf::map::normalise;	121	sub cf::map::normalise;
105		122
…		…
116	=item $cf::RUNTIME	133	=item $cf::RUNTIME
117		134
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	136	every server tick.
120		137
121	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		141
123	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
125		146
126	=item $cf::NOW	147	=item $cf::NOW
127		148
128	The time of the last (current) server tick.	149	The time of the last (current) server tick.
129		150
130	=item $cf::TICK	151	=item $cf::TICK
131		152
132	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
133		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
		164
134	=item %cf::CFG	165	=item %cf::CFG
135		166
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	168	from wherever your confdir points to.
138		169
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		171
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
145		181
146	=back	182	=back
147		183
148	=cut	184	=cut
149		185
150	BEGIN {	186	BEGIN {
151	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	188	my $msg = join "", @_;
153	utf8::encode $msg;
154		189
155	$msg .= "\n"	190	$msg .= "\n"
156	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
157		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		194
158	LOG llevError, $msg;	195	LOG llevError, $msg;
159	};	196	};
160	}	197	}
		198
		199	$Coro::State::DIEHOOK = sub {
		200	warn Carp::longmess $_[0];
		201	Coro::terminate;
		202	};
161		203
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	204	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	205	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	206	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	207	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	208	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		209	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	210	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		211
169	# we bless all objects into (empty) derived classes to force a method lookup	212	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	213	# within the Safe compartment.
171	for my $pkg (qw(	214	for my $pkg (qw(
172	cf::global cf::attachable	215	cf::global cf::attachable
…		…
177	)) {	220	)) {
178	no strict 'refs';	221	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	222	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	223	}
181		224
182	$Event::DIED = sub {	225	$EV::DIED = sub {
183	warn "error in event callback: @_";	226	warn "error in event callback: @_";
184	};	227	};
		228
		229	#############################################################################
185		230
186	=head2 UTILITY FUNCTIONS	231	=head2 UTILITY FUNCTIONS
187		232
188	=over 4	233	=over 4
189		234
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	253	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	254	$d
210	} || "[unable to dump $_[0]: '$@']";	255	} || "[unable to dump $_[0]: '$@']";
211	}	256	}
212		257
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	258	=item $ref = cf::decode_json $json
216		259
217	Converts a JSON string into the corresponding perl data structure.	260	Converts a JSON string into the corresponding perl data structure.
218		261
219	=item $json = cf::to_json $ref	262	=item $json = cf::encode_json $ref
220		263
221	Converts a perl data structure into its JSON representation.	264	Converts a perl data structure into its JSON representation.
		265
		266	=cut
		267
		268	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		269
		270	sub encode_json($) { $json_coder->encode ($_[0]) }
		271	sub decode_json($) { $json_coder->decode ($_[0]) }
222		272
223	=item cf::lock_wait $string	273	=item cf::lock_wait $string
224		274
225	Wait until the given lock is available. See cf::lock_acquire.	275	Wait until the given lock is available. See cf::lock_acquire.
226		276
…		…
229	Wait until the given lock is available and then acquires it and returns	279	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	280	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	281	for example when the coroutine gets canceled), the lock is automatically
232	returned.	282	returned.
233		283
		284	Locks are *not* recursive, locking from the same coro twice results in a
		285	deadlocked coro.
		286
234	Lock names should begin with a unique identifier (for example, cf::map::find	287	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	288	uses map_find and cf::map::load uses map_load).
236		289
		290	=item $locked = cf::lock_active $string
		291
		292	Return true if the lock is currently active, i.e. somebody has locked it.
		293
237	=cut	294	=cut
238		295
239	our %LOCK;	296	our %LOCK;
		297	our %LOCKER;#d#
240		298
241	sub lock_wait($) {	299	sub lock_wait($) {
242	my ($key) = @_;	300	my ($key) = @_;
		301
		302	if ($LOCKER{$key} == $Coro::current) {#d#
		303	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		304	return;#d#
		305	}#d#
243		306
244	# wait for lock, if any	307	# wait for lock, if any
245	while ($LOCK{$key}) {	308	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	309	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	310	Coro::schedule;
…		…
253		316
254	# wait, to be sure we are not locked	317	# wait, to be sure we are not locked
255	lock_wait $key;	318	lock_wait $key;
256		319
257	$LOCK{$key} = [];	320	$LOCK{$key} = [];
		321	$LOCKER{$key} = $Coro::current;#d#
258		322
259	Coro::guard {	323	Coro::guard {
		324	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	325	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	326	$_->ready for @{ delete $LOCK{$key} };
262	}	327	}
		328	}
		329
		330	sub lock_active($) {
		331	my ($key) = @_;
		332
		333	! ! $LOCK{$key}
263	}	334	}
264		335
265	sub freeze_mainloop {	336	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	337	return unless $TICK_WATCHER->is_active;
267		338
…		…
270	};	341	};
271	$TICK_WATCHER->stop;	342	$TICK_WATCHER->stop;
272	$guard	343	$guard
273	}	344	}
274		345
		346	=item cf::periodic $interval, $cb
		347
		348	Like EV::periodic, but randomly selects a starting point so that the actions
		349	get spread over timer.
		350
		351	=cut
		352
		353	sub periodic($$) {
		354	my ($interval, $cb) = @_;
		355
		356	my $start = rand List::Util::min 180, $interval;
		357
		358	EV::periodic $start, $interval, 0, $cb
		359	}
		360
		361	=item cf::get_slot $time[, $priority[, $name]]
		362
		363	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		364	This call blocks and returns only when you have at least C<$time> seconds
		365	of cpu time till the next tick. The slot is only valid till the next cede.
		366
		367	The optional C<$name> can be used to identify the job to run. It might be
		368	used for statistical purposes and should identify the same time-class.
		369
		370	Useful for short background jobs.
		371
		372	=cut
		373
		374	our @SLOT_QUEUE;
		375	our $SLOT_QUEUE;
		376
		377	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		378	$SLOT_QUEUE = Coro::async {
		379	$Coro::current->desc ("timeslot manager");
		380
		381	my $signal = new Coro::Signal;
		382
		383	while () {
		384	next_job:
		385	my $avail = cf::till_tick;
		386	if ($avail > 0.01) {
		387	for (0 .. $#SLOT_QUEUE) {
		388	if ($SLOT_QUEUE[$_][0] < $avail) {
		389	my $job = splice @SLOT_QUEUE, $_, 1, ();
		390	$job->[2]->send;
		391	Coro::cede;
		392	goto next_job;
		393	}
		394	}
		395	}
		396
		397	if (@SLOT_QUEUE) {
		398	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		399	push @cf::WAIT_FOR_TICK, $signal;
		400	$signal->wait;
		401	} else {
		402	Coro::schedule;
		403	}
		404	}
		405	};
		406
		407	sub get_slot($;$$) {
		408	my ($time, $pri, $name) = @_;
		409
		410	$time = $TICK * .6 if $time > $TICK * .6;
		411	my $sig = new Coro::Signal;
		412
		413	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		414	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		415	$SLOT_QUEUE->ready;
		416	$sig->wait;
		417	}
		418
275	=item cf::async { BLOCK }	419	=item cf::async { BLOCK }
276		420
277	Currently the same as Coro::async_pool, meaning you cannot use	421	Currently the same as Coro::async_pool, meaning you cannot use
278	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	422	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
279	thing you are allowed to do is call C<prio> on it.	423	thing you are allowed to do is call C<prio> on it.
…		…
282		426
283	BEGIN { *async = \&Coro::async_pool }	427	BEGIN { *async = \&Coro::async_pool }
284		428
285	=item cf::sync_job { BLOCK }	429	=item cf::sync_job { BLOCK }
286		430
287	The design of crossfire+ requires that the main coro ($Coro::main) is	431	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	432	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	433	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		434	acceptable.
290		435
291	If it must be done, put the blocking parts into C<sync_job>. This will run	436	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	437	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	438	server will be frozen during this time, so the block should either finish
294	fast or be very important.	439	fast or be very important.
…		…
297		442
298	sub sync_job(&) {	443	sub sync_job(&) {
299	my ($job) = @_;	444	my ($job) = @_;
300		445
301	if ($Coro::current == $Coro::main) {	446	if ($Coro::current == $Coro::main) {
		447	my $time = EV::time;
		448
302	# this is the main coro, too bad, we have to block	449	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	450	# till the operation succeeds, freezing the server :/
304		451
		452	LOG llevError, Carp::longmess "sync job";#d#
		453
305	# TODO: use suspend/resume instead	454	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	455	# (but this is cancel-safe)
307	my $freeze_guard = freeze_mainloop;	456	my $freeze_guard = freeze_mainloop;
308		457
309	my $busy = 1;	458	my $busy = 1;
310	my @res;	459	my @res;
311		460
312	(async {	461	(async {
		462	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	463	@res = eval { $job->() };
314	warn $@ if $@;	464	warn $@ if $@;
315	undef $busy;	465	undef $busy;
316	})->prio (Coro::PRIO_MAX);	466	})->prio (Coro::PRIO_MAX);
317		467
318	while ($busy) {	468	while ($busy) {
319	Coro::cede or Event::one_event;	469	if (Coro::nready) {
		470	Coro::cede_notself;
		471	} else {
		472	EV::loop EV::LOOP_ONESHOT;
320	}	473	}
		474	}
		475
		476	$time = EV::time - $time;
		477
		478	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		479	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		480
		481	$tick_start += $time; # do not account sync jobs to server load
321		482
322	wantarray ? @res : $res[0]	483	wantarray ? @res : $res[0]
323	} else {	484	} else {
324	# we are in another coroutine, how wonderful, everything just works	485	# we are in another coroutine, how wonderful, everything just works
325		486
…		…
345	$EXT_CORO{$coro+0} = $coro;	506	$EXT_CORO{$coro+0} = $coro;
346		507
347	$coro	508	$coro
348	}	509	}
349		510
350	sub write_runtime {	511	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		512
353	my $runtime = cf::localdir . "/runtime";	513	Executes the given code block with the given arguments in a seperate
		514	process, returning the results. Everything must be serialisable with
		515	Coro::Storable. May, of course, block. Note that the executed sub may
		516	never block itself or use any form of event handling.
354		517
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	518	=cut
356	or return;
357		519
358	my $value = $cf::RUNTIME + 90 + 10;	520	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	521	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		522
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	523	# we seemingly have to make a local copy of the whole thing,
363	and return;	524	# otherwise perl prematurely frees the stuff :/
		525	# TODO: investigate and fix (likely this will be rather laborious)
364		526
365	# always fsync - this file is important	527	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	528	reset_signals;
367	and return;	529	&$cb
		530	}, @args;
368		531
369	close $fh	532	wantarray ? @res : $res[-1]
370	or return;	533	}
371		534
372	aio_rename "$runtime~", $runtime	535	=item $value = cf::db_get $family => $key
373	and return;
374		536
		537	Returns a single value from the environment database.
		538
		539	=item cf::db_put $family => $key => $value
		540
		541	Stores the given C<$value> in the family. It can currently store binary
		542	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		543
		544	=item $db = cf::db_table "name"
		545
		546	Create and/or open a new database table. The string must not be "db" and must be unique
		547	within each server.
		548
		549	=cut
		550
		551	sub db_table($) {
		552	my ($name) = @_;
		553	my $db = BDB::db_create $DB_ENV;
		554
		555	eval {
		556	$db->set_flags (BDB::CHKSUM);
		557
		558	utf8::encode $name;
		559	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		560	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		561	cf::cleanup "db_open(db): $!" if $!;
		562	};
		563	cf::cleanup "db_open(db): $@" if $@;
		564
		565	$db
		566	}
		567
		568	our $DB;
		569
		570	sub db_init {
		571	cf::sync_job {
		572	$DB ||= db_table "db";
		573	};
		574	}
		575
		576	sub db_get($$) {
		577	my $key = "$_[0]/$_[1]";
		578
		579	cf::sync_job {
		580	BDB::db_get $DB, undef, $key, my $data;
		581
		582	$! ? ()
		583	: $data
375	1	584	}
		585	}
		586
		587	sub db_put($$$) {
		588	BDB::dbreq_pri 4;
		589	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		590	}
		591
		592	=item cf::cache $id => [$paths...], $processversion => $process
		593
		594	Generic caching function that returns the value of the resource $id,
		595	caching and regenerating as required.
		596
		597	This function can block.
		598
		599	=cut
		600
		601	sub cache {
		602	my ($id, $src, $processversion, $process) = @_;
		603
		604	my $meta =
		605	join "\x00",
		606	$processversion,
		607	map {
		608	aio_stat $_
		609	and Carp::croak "$_: $!";
		610
		611	($_, (stat _)[7,9])
		612	} @$src;
		613
		614	my $dbmeta = db_get cache => "$id/meta";
		615	if ($dbmeta ne $meta) {
		616	# changed, we may need to process
		617
		618	my @data;
		619	my $md5;
		620
		621	for (0 .. $#$src) {
		622	0 <= aio_load $src->[$_], $data[$_]
		623	or Carp::croak "$src->[$_]: $!";
		624	}
		625
		626	# if processing is expensive, check
		627	# checksum first
		628	if (1) {
		629	$md5 =
		630	join "\x00",
		631	$processversion,
		632	map {
		633	cf::cede_to_tick;
		634	($src->[$_], Digest::MD5::md5_hex $data[$_])
		635	} 0.. $#$src;
		636
		637
		638	my $dbmd5 = db_get cache => "$id/md5";
		639	if ($dbmd5 eq $md5) {
		640	db_put cache => "$id/meta", $meta;
		641
		642	return db_get cache => "$id/data";
		643	}
		644	}
		645
		646	my $t1 = Time::HiRes::time;
		647	my $data = $process->(\@data);
		648	my $t2 = Time::HiRes::time;
		649
		650	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		651
		652	db_put cache => "$id/data", $data;
		653	db_put cache => "$id/md5" , $md5;
		654	db_put cache => "$id/meta", $meta;
		655
		656	return $data;
		657	}
		658
		659	db_get cache => "$id/data"
		660	}
		661
		662	=item cf::datalog type => key => value, ...
		663
		664	Log a datalog packet of the given type with the given key-value pairs.
		665
		666	=cut
		667
		668	sub datalog($@) {
		669	my ($type, %kv) = @_;
		670	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	671	}
377		672
378	=back	673	=back
379		674
380	=cut	675	=cut
…		…
387	attach callbacks/event handlers (a collection of which is called an "attachment")	682	attach callbacks/event handlers (a collection of which is called an "attachment")
388	to it. All such attachable objects support the following methods.	683	to it. All such attachable objects support the following methods.
389		684
390	In the following description, CLASS can be any of C<global>, C<object>	685	In the following description, CLASS can be any of C<global>, C<object>
391	C<player>, C<client> or C<map> (i.e. the attachable objects in	686	C<player>, C<client> or C<map> (i.e. the attachable objects in
392	crossfire+).	687	Deliantra).
393		688
394	=over 4	689	=over 4
395		690
396	=item $attachable->attach ($attachment, key => $value...)	691	=item $attachable->attach ($attachment, key => $value...)
397		692
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	855	$registry = $CB_TYPE[$object_type] ||= [];
561		856
562	} elsif ($type eq "subtype") {	857	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	858	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	859	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	860	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		861
567	} elsif ($type eq "package") {	862	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	863	my $pkg = shift @arg;
569		864
570	while (my ($name, $id) = each %cb_id) {	865	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	894	_attach $registry, $klass, @attach;
600	}	895	}
601		896
602	$obj->{$name} = \%arg;	897	$obj->{$name} = \%arg;
603	} else {	898	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	899	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	900	}
606		901
607	$obj->{_attachment}{$name} = undef;	902	$obj->{_attachment}{$name} = undef;
608	}	903	}
609		904
…		…
611	if (ref $_[0]) {	906	if (ref $_[0]) {
612	_object_attach @_;	907	_object_attach @_;
613	} else {	908	} else {
614	_attach shift->_attach_registry, @_;	909	_attach shift->_attach_registry, @_;
615	}	910	}
		911	_recalc_want;
616	};	912	};
617		913
618	# all those should be optimised	914	# all those should be optimised
619	sub cf::attachable::detach {	915	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	916	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	919	delete $obj->{_attachment}{$name};
624	reattach ($obj);	920	reattach ($obj);
625	} else {	921	} else {
626	Carp::croak "cannot, currently, detach class attachments";	922	Carp::croak "cannot, currently, detach class attachments";
627	}	923	}
		924	_recalc_want;
628	};	925	};
629		926
630	sub cf::attachable::attached {	927	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	928	my ($obj, $name) = @_;
632		929
…		…
647	";	944	";
648	die if $@;	945	die if $@;
649	}	946	}
650		947
651	our $override;	948	our $override;
652	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	949	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
653		950
654	sub override {	951	sub override {
655	$override = 1;	952	$override = 1;
656	@invoke_results = ();	953	@INVOKE_RESULTS = (@_);
657	}	954	}
658		955
659	sub do_invoke {	956	sub do_invoke {
660	my $event = shift;	957	my $event = shift;
661	my $callbacks = shift;	958	my $callbacks = shift;
662		959
663	@invoke_results = ();	960	@INVOKE_RESULTS = ();
664		961
665	local $override;	962	local $override;
666		963
667	for (@$callbacks) {	964	for (@$callbacks) {
668	eval { &{$_->[1]} };	965	eval { &{$_->[1]} };
…		…
677	}	974	}
678		975
679	0	976	0
680	}	977	}
681		978
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	979	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		980
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	981	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		982
686	Generate an object-specific event with the given arguments.	983	Generate an object-specific event with the given arguments.
687		984
688	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	985	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
689	removed in future versions), and there is no public API to access override	986	removed in future versions), and there is no public API to access override
690	results (if you must, access C<@cf::invoke_results> directly).	987	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		988
692	=back	989	=back
693		990
694	=cut	991	=cut
695		992
696	#############################################################################	993	#############################################################################
697	# object support	994	# object support
		995
		996	sub _object_equal($$);
		997	sub _object_equal($$) {
		998	my ($a, $b) = @_;
		999
		1000	return 0 unless (ref $a) eq (ref $b);
		1001
		1002	if ("HASH" eq ref $a) {
		1003	my @ka = keys %$a;
		1004	my @kb = keys %$b;
		1005
		1006	return 0 if @ka != @kb;
		1007
		1008	for (0 .. $#ka) {
		1009	return 0 unless $ka[$_] eq $kb[$_];
		1010	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1011	}
		1012
		1013	} elsif ("ARRAY" eq ref $a) {
		1014
		1015	return 0 if @$a != @$b;
		1016
		1017	for (0 .. $#$a) {
		1018	return 0 unless _object_equal $a->[$_], $b->[$_];
		1019	}
		1020
		1021	} elsif ($a ne $b) {
		1022	return 0;
		1023	}
		1024
		1025	1
		1026	}
		1027
		1028	our $SLOW_MERGES;#d#
		1029	sub _can_merge {
		1030	my ($ob1, $ob2) = @_;
		1031
		1032	++$SLOW_MERGES;#d#
		1033
		1034	# we do the slow way here
		1035	return _object_equal $ob1, $ob2
		1036	}
698		1037
699	sub reattach {	1038	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1039	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1040	my ($obj) = @_;
702		1041
…		…
723	cf::attachable->attach (	1062	cf::attachable->attach (
724	prio => -1000000,	1063	prio => -1000000,
725	on_instantiate => sub {	1064	on_instantiate => sub {
726	my ($obj, $data) = @_;	1065	my ($obj, $data) = @_;
727		1066
728	$data = from_json $data;	1067	$data = decode_json $data;
729		1068
730	for (@$data) {	1069	for (@$data) {
731	my ($name, $args) = @$_;	1070	my ($name, $args) = @$_;
732		1071
733	$obj->attach ($name, %{$args || {} });	1072	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1088	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1089	my ($filename, $rdata, $objs) = @_;
751		1090
752	sync_job {	1091	sync_job {
753	if (length $$rdata) {	1092	if (length $$rdata) {
		1093	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1094	warn sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1095	$decname, length $$rdata, scalar @$objs;
756		1096
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1099	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1100	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1101	close $fh;
762		1102
763	if (@$objs) {	1103	if (@$objs) {
764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
765	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1106	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1107	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1108	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1109	close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1110	aio_rename "$filename.pst~", "$filename.pst";
771	}	1111	}
…		…
779	}	1119	}
780	} else {	1120	} else {
781	aio_unlink $filename;	1121	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1122	aio_unlink "$filename.pst";
783	}	1123	}
784	}	1124	};
785	}	1125	}
786		1126
787	sub object_freezer_as_string {	1127	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1128	my ($rdata, $objs) = @_;
789		1129
…		…
801	or return;	1141	or return;
802		1142
803	unless (aio_stat "$filename.pst") {	1143	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1144	(aio_load "$filename.pst", $av) >= 0
805	or return;	1145	or return;
		1146
806	$av = eval { (Storable::thaw $av)->{objs} };	1147	my $st = eval { Coro::Storable::thaw $av };
		1148	$av = $st->{objs};
807	}	1149	}
808		1150
		1151	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1152	warn sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1153	$decname, length $data, scalar @{$av || []};
		1154
811	return ($data, $av);	1155	($data, $av)
812	}	1156	}
		1157
		1158	=head2 COMMAND CALLBACKS
		1159
		1160	=over 4
		1161
		1162	=cut
813		1163
814	#############################################################################	1164	#############################################################################
815	# command handling &c	1165	# command handling &c
816		1166
817	=item cf::register_command $name => \&callback($ob,$args);	1167	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1180	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1181	}
832		1182
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1183	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1184
835	Register a callbackf ro execution when the client sends an extcmd packet.	1185	Register a callback for execution when the client sends an (synchronous)
		1186	extcmd packet. Ext commands will be processed in the order they are
		1187	received by the server, like other user commands. The first argument is
		1188	the logged-in player. Ext commands can only be processed after a player
		1189	has logged in successfully.
836		1190
837	If the callback returns something, it is sent back as if reply was being	1191	If the callback returns something, it is sent back as if reply was being
838	called.	1192	called.
839		1193
		1194	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1195
		1196	Register a callback for execution when the client sends an (asynchronous)
		1197	exticmd packet. Exti commands are processed by the server as soon as they
		1198	are received, i.e. out of order w.r.t. other commands. The first argument
		1199	is a client socket. Exti commands can be received anytime, even before
		1200	log-in.
		1201
		1202	If the callback returns something, it is sent back as if reply was being
		1203	called.
		1204
840	=cut	1205	=cut
841		1206
842	sub register_extcmd {	1207	sub register_extcmd {
843	my ($name, $cb) = @_;	1208	my ($name, $cb) = @_;
844		1209
845	$EXTCMD{$name} = $cb;	1210	$EXTCMD{$name} = $cb;
		1211	}
		1212
		1213	sub register_exticmd {
		1214	my ($name, $cb) = @_;
		1215
		1216	$EXTICMD{$name} = $cb;
846	}	1217	}
847		1218
848	cf::player->attach (	1219	cf::player->attach (
849	on_command => sub {	1220	on_command => sub {
850	my ($pl, $name, $params) = @_;	1221	my ($pl, $name, $params) = @_;
…		…
859	cf::override;	1230	cf::override;
860	},	1231	},
861	on_extcmd => sub {	1232	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1233	my ($pl, $buf) = @_;
863		1234
864	my $msg = eval { from_json $buf };	1235	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1236
866	if (ref $msg) {	1237	if (ref $msg) {
		1238	my ($type, $reply, @payload) =
		1239	"ARRAY" eq ref $msg
		1240	? @$msg
		1241	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1242
		1243	my @reply;
		1244
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1245	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1246	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1247	}
		1248
		1249	$pl->ext_reply ($reply, @reply)
		1250	if $reply;
		1251
872	} else {	1252	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1253	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1254	}
875		1255
876	cf::override;	1256	cf::override;
877	},	1257	},
878	);	1258	);
879		1259
880	sub load_extension {
881	my ($path) = @_;
882
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
884	my $base = $1;
885	my $pkg = $1;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}
908	die $@;
909	}
910
911	push @EXTS, $pkg;
912	}
913
914	sub load_extensions {	1260	sub load_extensions {
		1261	cf::sync_job {
		1262	my %todo;
		1263
915	for my $ext (<$LIBDIR/*.ext>) {	1264	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1265	next unless -r $path;
917	eval {	1266
918	load_extension $ext;	1267	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1268	my $base = $1;
		1269	my $pkg = $1;
		1270	$pkg =~ s/[^[:word:]]/_/g;
		1271	$pkg = "ext::$pkg";
		1272
		1273	open my $fh, "<:utf8", $path
		1274	or die "$path: $!";
		1275
		1276	my $source = do { local $/; <$fh> };
		1277
		1278	my %ext = (
		1279	path => $path,
		1280	base => $base,
		1281	pkg => $pkg,
		1282	);
		1283
		1284	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1285	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1286
		1287	$ext{source} =
		1288	"package $pkg; use strict; use utf8;\n"
		1289	. "#line 1 \"$path\"\n{\n"
		1290	. $source
		1291	. "\n};\n1";
		1292
		1293	$todo{$base} = \%ext;
		1294	}
		1295
		1296	my %done;
		1297	while (%todo) {
		1298	my $progress;
		1299
		1300	while (my ($k, $v) = each %todo) {
		1301	for (split /,\s*/, $v->{meta}{depends}) {
		1302	goto skip
		1303	unless exists $done{$_};
		1304	}
		1305
		1306	warn "... loading '$k' into '$v->{pkg}'\n";
		1307
		1308	unless (eval $v->{source}) {
		1309	my $msg = $@ ? "$v->{path}: $@\n"
		1310	: "$v->{base}: extension inactive.\n";
		1311
		1312	if (exists $v->{meta}{mandatory}) {
		1313	warn $msg;
		1314	warn "mandatory extension failed to load, exiting.\n";
		1315	exit 1;
		1316	}
		1317
		1318	warn $msg;
		1319	}
		1320
		1321	$done{$k} = delete $todo{$k};
		1322	push @EXTS, $v->{pkg};
		1323	$progress = 1;
919	1	1324	}
920	} or warn "$ext not loaded: $@";	1325
		1326	skip:
		1327	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1328	unless $progress;
		1329	}
921	}	1330	};
922	}	1331	}
923		1332
924	#############################################################################	1333	#############################################################################
925		1334
		1335	=back
		1336
926	=head2 CORE EXTENSIONS	1337	=head2 CORE EXTENSIONS
927		1338
928	Functions and methods that extend core crossfire objects.	1339	Functions and methods that extend core crossfire objects.
929		1340
930	=cut	1341	=cut
…		…
935		1346
936	=head3 cf::player	1347	=head3 cf::player
937		1348
938	=over 4	1349	=over 4
939		1350
		1351	=item cf::player::num_playing
		1352
		1353	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1354
		1355	=cut
		1356
		1357	sub num_playing {
		1358	scalar grep
		1359	$_->ob->map
		1360	&& !$_->hidden
		1361	&& !$_->ob->flag (cf::FLAG_WIZ),
		1362	cf::player::list
		1363	}
		1364
940	=item cf::player::find $login	1365	=item cf::player::find $login
941		1366
942	Returns the given player object, loading it if necessary (might block).	1367	Returns the given player object, loading it if necessary (might block).
943		1368
944	=cut	1369	=cut
945		1370
946	sub playerdir($) {	1371	sub playerdir($) {
947	cf::localdir	1372	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1373	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1374	}
953		1375
954	sub path($) {	1376	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1377	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1378
957	(playerdir $login) . "/$login.pl"	1379	(playerdir $login) . "/playerdata"
958	}	1380	}
959		1381
960	sub find_active($) {	1382	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1383	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1384	and $cf::PLAYER{$_[0]}->active
…		…
975	my $login = $_[0];	1397	my $login = $_[0];
976		1398
977	my $guard = cf::lock_acquire "user_find:$login";	1399	my $guard = cf::lock_acquire "user_find:$login";
978		1400
979	$cf::PLAYER{$_[0]} || do {	1401	$cf::PLAYER{$_[0]} || do {
980	my $pl = load_pl path $login	1402	# rename old playerfiles to new ones
		1403	#TODO: remove when no longer required
		1404	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1405	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1406	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1407	aio_unlink +(playerdir $login) . "/$login.pl";
		1408
		1409	my $f = new_from_file cf::object::thawer path $login
981	or return;	1410	or return;
		1411
		1412	my $pl = cf::player::load_pl $f
		1413	or return;
		1414	local $cf::PLAYER_LOADING{$login} = $pl;
		1415	$f->resolve_delayed_derefs;
982	$cf::PLAYER{$login} = $pl	1416	$cf::PLAYER{$login} = $pl
983	}	1417	}
984	}	1418	}
985	}	1419	}
986		1420
…		…
996		1430
997	aio_mkdir playerdir $pl, 0770;	1431	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1432	$pl->{last_save} = $cf::RUNTIME;
999		1433
1000	$pl->save_pl ($path);	1434	$pl->save_pl ($path);
1001	Coro::cede;	1435	cf::cede_to_tick;
1002	}	1436	}
1003		1437
1004	sub new($) {	1438	sub new($) {
1005	my ($login) = @_;	1439	my ($login) = @_;
1006		1440
…		…
1010	$self->{deny_save} = 1;	1444	$self->{deny_save} = 1;
1011		1445
1012	$cf::PLAYER{$login} = $self;	1446	$cf::PLAYER{$login} = $self;
1013		1447
1014	$self	1448	$self
		1449	}
		1450
		1451	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1452
		1453	=cut
		1454
		1455	sub send_msg {
		1456	my $ns = shift->ns
		1457	or return;
		1458	$ns->send_msg (@_);
1015	}	1459	}
1016		1460
1017	=item $pl->quit_character	1461	=item $pl->quit_character
1018		1462
1019	Nukes the player without looking back. If logged in, the connection will	1463	Nukes the player without looking back. If logged in, the connection will
…		…
1068	while and may block, so not sync_job-capable, ever.	1512	while and may block, so not sync_job-capable, ever.
1069		1513
1070	=cut	1514	=cut
1071		1515
1072	sub list_logins {	1516	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1517	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1518	or return [];
1075		1519
1076	my @logins;	1520	my @logins;
1077		1521
1078	for my $login (@$dirs) {	1522	for my $login (@$dirs) {
		1523	my $path = path $login;
		1524
		1525	# a .pst is a dead give-away for a valid player
		1526	unless (-e "$path.pst") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1527	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1528	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1529	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1530	}
1082		1531
1083	utf8::decode $login;	1532	utf8::decode $login;
1084	push @logins, $login;	1533	push @logins, $login;
1085	}	1534	}
1086		1535
…		…
1113	}	1562	}
1114		1563
1115	\@paths	1564	\@paths
1116	}	1565	}
1117		1566
		1567	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1568
		1569	Expand crossfire pod fragments into protocol xml.
		1570
		1571	=cut
		1572
		1573	use re 'eval';
		1574
		1575	my $group;
		1576	my $interior; $interior = qr{
		1577	# match a pod interior sequence sans C<< >>
		1578	(?:
		1579	\ (.*?)\ (?{ $group = $^N })
		1580	| < (??{$interior}) >
		1581	)
		1582	}x;
		1583
		1584	sub expand_cfpod {
		1585	my ($self, $pod) = @_;
		1586
		1587	my $xml;
		1588
		1589	while () {
		1590	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1591	$group = $1;
		1592
		1593	$group =~ s/&/&amp;/g;
		1594	$group =~ s/</&lt;/g;
		1595
		1596	$xml .= $group;
		1597	} elsif ($pod =~ m%\G
		1598	([BCGHITU])
		1599	<
		1600	(?:
		1601	([^<>]*) (?{ $group = $^N })
		1602	| < $interior >
		1603	)
		1604	>
		1605	%gcsx
		1606	) {
		1607	my ($code, $data) = ($1, $group);
		1608
		1609	if ($code eq "B") {
		1610	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1611	} elsif ($code eq "I") {
		1612	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1613	} elsif ($code eq "U") {
		1614	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1615	} elsif ($code eq "C") {
		1616	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1617	} elsif ($code eq "T") {
		1618	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1619	} elsif ($code eq "G") {
		1620	my ($male, $female) = split /\|/, $data;
		1621	$data = $self->gender ? $female : $male;
		1622	$xml .= expand_cfpod ($self, $data);
		1623	} elsif ($code eq "H") {
		1624	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1625	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1626	"")
		1627	[$self->{hintmode}];
		1628	} else {
		1629	$xml .= "error processing '$code($data)' directive";
		1630	}
		1631	} else {
		1632	if ($pod =~ /\G(.+)/) {
		1633	warn "parse error while expanding $pod (at $1)";
		1634	}
		1635	last;
		1636	}
		1637	}
		1638
		1639	for ($xml) {
		1640	# create single paragraphs (very hackish)
		1641	s/(?<=\S)\n(?=\w)/ /g;
		1642
		1643	# compress some whitespace
		1644	s/\s+\n/\n/g; # ws line-ends
		1645	s/\n\n+/\n/g; # double lines
		1646	s/^\n+//; # beginning lines
		1647	s/\n+$//; # ending lines
		1648	}
		1649
		1650	$xml
		1651	}
		1652
		1653	no re 'eval';
		1654
		1655	sub hintmode {
		1656	$_[0]{hintmode} = $_[1] if @_ > 1;
		1657	$_[0]{hintmode}
		1658	}
		1659
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1119		1661
1120	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1121		1663
1122	=cut	1664	=cut
1123		1665
1124	sub ext_reply($$$%) {	1666	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1126		1668
1127	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1670	}
1131		1671
1132	package cf;	1672	=item $player->ext_msg ($type, @msg)
		1673
		1674	Sends an ext event to the client.
		1675
		1676	=cut
		1677
		1678	sub ext_msg($$@) {
		1679	my ($self, $type, @msg) = @_;
		1680
		1681	$self->ns->ext_msg ($type, @msg);
		1682	}
		1683
		1684	=head3 cf::region
		1685
		1686	=over 4
		1687
		1688	=cut
		1689
		1690	package cf::region;
		1691
		1692	=item cf::region::find_by_path $path
		1693
		1694	Tries to decuce the likely region for a map knowing only its path.
		1695
		1696	=cut
		1697
		1698	sub find_by_path($) {
		1699	my ($path) = @_;
		1700
		1701	my ($match, $specificity);
		1702
		1703	for my $region (list) {
		1704	if ($region->{match} && $path =~ $region->{match}) {
		1705	($match, $specificity) = ($region, $region->specificity)
		1706	if $region->specificity > $specificity;
		1707	}
		1708	}
		1709
		1710	$match
		1711	}
1133		1712
1134	=back	1713	=back
1135
1136		1714
1137	=head3 cf::map	1715	=head3 cf::map
1138		1716
1139	=over 4	1717	=over 4
1140		1718
…		…
1195	my ($self, $merge) = @_;	1773	my ($self, $merge) = @_;
1196		1774
1197	# we have to keep some variables in memory intact	1775	# we have to keep some variables in memory intact
1198	local $self->{path};	1776	local $self->{path};
1199	local $self->{load_path};	1777	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1778
1203	$self->SUPER::thawer_merge ($merge);	1779	$self->SUPER::thawer_merge ($merge);
1204	}	1780	}
1205		1781
1206	sub normalise {	1782	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1829	$self->init; # pass $1 etc.
1254	return $self;	1830	return $self;
1255	}	1831	}
1256	}	1832	}
1257		1833
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1834	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1835	()
1260	}	1836	}
1261		1837
1262	sub init {	1838	sub init {
1263	my ($self) = @_;	1839	my ($self) = @_;
…		…
1278		1854
1279	# the original (read-only) location	1855	# the original (read-only) location
1280	sub load_path {	1856	sub load_path {
1281	my ($self) = @_;	1857	my ($self) = @_;
1282		1858
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1859	"$MAPDIR/$self->{path}.map"
1284	}	1860	}
1285		1861
1286	# the temporary/swap location	1862	# the temporary/swap location
1287	sub save_path {	1863	sub save_path {
1288	my ($self) = @_;	1864	my ($self) = @_;
1289		1865
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1867	"$TMPDIR/$path.map"
1292	}	1868	}
1293		1869
1294	# the unique path, undef == no special unique path	1870	# the unique path, undef == no special unique path
1295	sub uniq_path {	1871	sub uniq_path {
1296	my ($self) = @_;	1872	my ($self) = @_;
1297		1873
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1875	"$UNIQUEDIR/$path"
1300	}	1876	}
1301		1877
1302	# and all this just because we cannot iterate over	1878	# and all this just because we cannot iterate over
1303	# all maps in C++...	1879	# all maps in C++...
1304	sub change_all_map_light {	1880	sub change_all_map_light {
…		…
1306		1882
1307	$_->change_map_light ($change)	1883	$_->change_map_light ($change)
1308	for grep $_->outdoor, values %cf::MAP;	1884	for grep $_->outdoor, values %cf::MAP;
1309	}	1885	}
1310		1886
		1887	sub decay_objects {
		1888	my ($self) = @_;
		1889
		1890	return if $self->{deny_reset};
		1891
		1892	$self->do_decay_objects;
		1893	}
		1894
1311	sub unlink_save {	1895	sub unlink_save {
1312	my ($self) = @_;	1896	my ($self) = @_;
1313		1897
1314	utf8::encode (my $save = $self->save_path);	1898	utf8::encode (my $save = $self->save_path);
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1899	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1318		1902
1319	sub load_header_from($) {	1903	sub load_header_from($) {
1320	my ($self, $path) = @_;	1904	my ($self, $path) = @_;
1321		1905
1322	utf8::encode $path;	1906	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1907	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1908	or return;
		1909
		1910	$self->_load_header ($f)
		1911	or return;
		1912
		1913	local $MAP_LOADING{$self->{path}} = $self;
		1914	$f->resolve_delayed_derefs;
1328		1915
1329	$self->{load_path} = $path;	1916	$self->{load_path} = $path;
1330		1917
1331	1	1918	1
1332	}	1919	}
…		…
1371	$self->load_header_orig	1958	$self->load_header_orig
1372	or return;	1959	or return;
1373	$self->prepare_orig;	1960	$self->prepare_orig;
1374	}	1961	}
1375		1962
		1963	$self->{deny_reset} = 1
		1964	if $self->no_reset;
		1965
		1966	$self->default_region (cf::region::find_by_path $self->{path})
		1967	unless $self->default_region;
		1968
1376	1	1969	1
1377	}	1970	}
1378		1971
1379	sub find;	1972	sub find;
1380	sub find {	1973	sub find {
1381	my ($path, $origin) = @_;	1974	my ($path, $origin) = @_;
1382		1975
1383	$path = normalise $path, $origin && $origin->path;	1976	$path = normalise $path, $origin && $origin->path;
1384		1977
		1978	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1979	cf::lock_wait "map_find:$path";
1386		1980
1387	$cf::MAP{$path} || do {	1981	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";	1982	my $guard1 = cf::lock_acquire "map_find:$path";
		1983	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1984
1389	my $map = new_from_path cf::map $path	1985	my $map = new_from_path cf::map $path
1390	or return;	1986	or return;
1391		1987
1392	$map->{last_save} = $cf::RUNTIME;	1988	$map->{last_save} = $cf::RUNTIME;
1393		1989
1394	$map->load_header	1990	$map->load_header
1395	or return;	1991	or return;
1396		1992
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1993	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1994	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1995	#$cf::WAIT_FOR_TICK->wait;
		1996	undef $guard1;
		1997	undef $guard2;
1400	$map->reset;	1998	$map->reset;
1401	undef $guard;
1402	return find $path;	1999	return find $path;
1403	}	2000	}
1404		2001
1405	$cf::MAP{$path} = $map	2002	$cf::MAP{$path} = $map
1406	}	2003	}
…		…
1413	my ($self) = @_;	2010	my ($self) = @_;
1414		2011
1415	local $self->{deny_reset} = 1; # loading can take a long time	2012	local $self->{deny_reset} = 1; # loading can take a long time
1416		2013
1417	my $path = $self->{path};	2014	my $path = $self->{path};
		2015
		2016	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2017	my $guard = cf::lock_acquire "map_data:$path";
1419		2018
		2019	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2020	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2021
1422	$self->in_memory (cf::MAP_LOADING);	2022	$self->in_memory (cf::MAP_LOADING);
1423		2023
1424	$self->alloc;	2024	$self->alloc;
1425		2025
1426	$self->pre_load;	2026	$self->pre_load;
		2027	cf::cede_to_tick;
1427		2028
1428	$self->_load_objects ($self->{load_path}, 1)	2029	my $f = new_from_file cf::object::thawer $self->{load_path};
		2030	$f->skip_block;
		2031	$self->_load_objects ($f)
1429	or return;	2032	or return;
1430		2033
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2034	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	2035	if delete $self->{load_original};
1433		2036
1434	if (my $uniq = $self->uniq_path) {	2037	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2038	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2039	unless (aio_stat $uniq) {
		2040	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2041	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2042	$self->_load_objects ($f);
		2043	$f->resolve_delayed_derefs;
		2044	}
1439	}	2045	}
1440	}	2046	}
1441		2047
1442	Coro::cede;	2048	$f->resolve_delayed_derefs;
1443		2049
		2050	cf::cede_to_tick;
1444	# now do the right thing for maps	2051	# now do the right thing for maps
1445	$self->link_multipart_objects;	2052	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2053	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2054	unless $self->difficulty;
1455	Coro::cede;	2055	cf::cede_to_tick;
		2056
		2057	unless ($self->{deny_activate}) {
		2058	$self->decay_objects;
		2059	$self->fix_auto_apply;
		2060	$self->update_buttons;
		2061	cf::cede_to_tick;
		2062	$self->set_darkness_map;
		2063	cf::cede_to_tick;
1456	$self->activate;	2064	$self->activate;
		2065	}
		2066
		2067	$self->{last_save} = $cf::RUNTIME;
		2068	$self->last_access ($cf::RUNTIME);
		2069
		2070	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	2071	}
1458		2072
1459	$self->post_load;	2073	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2074	}
1463		2075
1464	sub customise_for {	2076	sub customise_for {
1465	my ($self, $ob) = @_;	2077	my ($self, $ob) = @_;
1466		2078
1467	return find "~" . $ob->name . "/" . $self->{path}	2079	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2080	if $self->per_player;
1469		2081
		2082	# return find "?party/" . $ob->name . "/" . $self->{path}
		2083	# if $self->per_party;
		2084
1470	$self	2085	$self
1471	}	2086	}
1472		2087
1473	# find and load all maps in the 3x3 area around a map	2088	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2089	sub load_neighbours {
1475	my ($map) = @_;	2090	my ($map) = @_;
1476		2091
1477	my @diag; # diagonal neighbours	2092	my @neigh; # diagonal neighbours
1478		2093
1479	for (0 .. 3) {	2094	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2095	my $neigh = $map->tile_path ($_)
1481	or next;	2096	or next;
1482	$neigh = find $neigh, $map	2097	$neigh = find $neigh, $map
1483	or next;	2098	or next;
1484	$neigh->load;	2099	$neigh->load;
1485		2100
		2101	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2102	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2103	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2104	}
1489		2105
1490	for (@diag) {	2106	for (grep defined $_->[0], @neigh) {
		2107	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2108	my $neigh = find $path, $origin
1492	or next;	2109	or next;
1493	$neigh->load;	2110	$neigh->load;
1494	}	2111	}
1495	}	2112	}
1496		2113
…		…
1501	}	2118	}
1502		2119
1503	sub do_load_sync {	2120	sub do_load_sync {
1504	my ($map) = @_;	2121	my ($map) = @_;
1505		2122
		2123	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2124	if $Coro::current == $Coro::main;
		2125
1506	cf::sync_job { $map->load };	2126	cf::sync_job { $map->load };
1507	}	2127	}
1508		2128
1509	our %MAP_PREFETCH;	2129	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2130	our $MAP_PREFETCHER = undef;
1511		2131
1512	sub find_async {	2132	sub find_async {
1513	my ($path, $origin) = @_;	2133	my ($path, $origin, $load) = @_;
1514		2134
1515	$path = normalise $path, $origin && $origin->{path};	2135	$path = normalise $path, $origin && $origin->{path};
1516		2136
1517	if (my $map = $cf::MAP{$path}) {	2137	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2138	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2139	}
1520		2140
1521	undef $MAP_PREFETCH{$path};	2141	$MAP_PREFETCH{$path} |= $load;
		2142
1522	$MAP_PREFETCHER ||= cf::async {	2143	$MAP_PREFETCHER ||= cf::async {
		2144	$Coro::current->{desc} = "map prefetcher";
		2145
1523	while (%MAP_PREFETCH) {	2146	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2147	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2148	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2149	$map->load if $v;
		2150	}
1528		2151
1529	delete $MAP_PREFETCH{$path};	2152	delete $MAP_PREFETCH{$k};
1530	}	2153	}
1531	}	2154	}
1532	undef $MAP_PREFETCHER;	2155	undef $MAP_PREFETCHER;
1533	};	2156	};
1534	$MAP_PREFETCHER->prio (6);	2157	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2160	}
1538		2161
1539	sub save {	2162	sub save {
1540	my ($self) = @_;	2163	my ($self) = @_;
1541		2164
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2166
1544	$self->{last_save} = $cf::RUNTIME;	2167	$self->{last_save} = $cf::RUNTIME;
1545		2168
1546	return unless $self->dirty;	2169	return unless $self->dirty;
1547		2170
…		…
1553	return if $self->{deny_save};	2176	return if $self->{deny_save};
1554		2177
1555	local $self->{last_access} = $self->last_access;#d#	2178	local $self->{last_access} = $self->last_access;#d#
1556		2179
1557	cf::async {	2180	cf::async {
		2181	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2182	$_->contr->save for $self->players;
1559	};	2183	};
1560		2184
1561	if ($uniq) {	2185	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1570	my ($self) = @_;	2194	my ($self) = @_;
1571		2195
1572	# save first because save cedes	2196	# save first because save cedes
1573	$self->save;	2197	$self->save;
1574		2198
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2199	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2200
1577	return if $self->players;	2201	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2202	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2203	return if $self->{deny_save};
1580		2204
		2205	$self->in_memory (cf::MAP_SWAPPED);
		2206
		2207	$self->deactivate;
		2208	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2209	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2210	}
1584		2211
1585	sub reset_at {	2212	sub reset_at {
1586	my ($self) = @_;	2213	my ($self) = @_;
1587		2214
1588	# TODO: safety, remove and allow resettable per-player maps	2215	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2216	return 1e99 if $self->{deny_reset};
1591		2217
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2218	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2219	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2220
…		…
1605	my ($self) = @_;	2231	my ($self) = @_;
1606		2232
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2233	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2234
1609	return if $self->players;	2235	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2236
1612	warn "resetting map ", $self->path;#d#	2237	warn "resetting map ", $self->path;
1613		2238
1614	$self->in_memory (cf::MAP_SWAPPED);	2239	$self->in_memory (cf::MAP_SWAPPED);
1615		2240
1616	# need to save uniques path	2241	# need to save uniques path
1617	unless ($self->{deny_save}) {	2242	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2246	if $uniq;
1622	}	2247	}
1623		2248
1624	delete $cf::MAP{$self->path};	2249	delete $cf::MAP{$self->path};
1625		2250
		2251	$self->deactivate;
		2252	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2253	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2254
1630	$self->unlink_save;	2255	$self->unlink_save;
1631	$self->destroy;	2256	$self->destroy;
1632	}	2257	}
1633		2258
1634	my $nuke_counter = "aaaa";	2259	my $nuke_counter = "aaaa";
1635		2260
1636	sub nuke {	2261	sub nuke {
1637	my ($self) = @_;	2262	my ($self) = @_;
1638		2263
		2264	{
		2265	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2266
1639	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
1640		2268
1641	$self->unlink_save;	2269	$self->unlink_save;
1642		2270
1643	bless $self, "cf::map";	2271	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2272	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2273	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2274	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2275	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2276
1649	$cf::MAP{$self->path} = $self;	2277	$cf::MAP{$self->path} = $self;
		2278	}
1650		2279
1651	$self->reset; # polite request, might not happen	2280	$self->reset; # polite request, might not happen
		2281	}
		2282
		2283	=item $maps = cf::map::tmp_maps
		2284
		2285	Returns an arrayref with all map paths of currently instantiated and saved
		2286	maps. May block.
		2287
		2288	=cut
		2289
		2290	sub tmp_maps() {
		2291	[
		2292	map {
		2293	utf8::decode $_;
		2294	/\.map$/
		2295	? normalise $_
		2296	: ()
		2297	} @{ aio_readdir $TMPDIR or [] }
		2298	]
		2299	}
		2300
		2301	=item $maps = cf::map::random_maps
		2302
		2303	Returns an arrayref with all map paths of currently instantiated and saved
		2304	random maps. May block.
		2305
		2306	=cut
		2307
		2308	sub random_maps() {
		2309	[
		2310	map {
		2311	utf8::decode $_;
		2312	/\.map$/
		2313	? normalise "?random/$_"
		2314	: ()
		2315	} @{ aio_readdir $RANDOMDIR or [] }
		2316	]
1652	}	2317	}
1653		2318
1654	=item cf::map::unique_maps	2319	=item cf::map::unique_maps
1655		2320
1656	Returns an arrayref of paths of all shared maps that have	2321	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2322	instantiated unique items. May block.
1658		2323
1659	=cut	2324	=cut
1660		2325
1661	sub unique_maps() {	2326	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2327	[
1663	or return;	2328	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2329	utf8::decode $_;
1669	next if /\.pst$/;	2330	/\.map$/
1670	next unless /^$PATH_SEP/o;	2331	? normalise $_
1671		2332	: ()
1672	push @paths, cf::map::normalise $_;	2333	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2334	]
1674
1675	\@paths
1676	}	2335	}
1677		2336
1678	package cf;	2337	package cf;
1679		2338
1680	=back	2339	=back
…		…
1698	map { $_, inv_recursive_ $_->inv } @_	2357	map { $_, inv_recursive_ $_->inv } @_
1699	}	2358	}
1700		2359
1701	sub inv_recursive {	2360	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2361	inv_recursive_ inv $_[0]
		2362	}
		2363
		2364	=item $ref = $ob->ref
		2365
		2366	creates and returns a persistent reference to an objetc that can be stored as a string.
		2367
		2368	=item $ob = cf::object::deref ($refstring)
		2369
		2370	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2371	even if the object actually exists. May block.
		2372
		2373	=cut
		2374
		2375	sub deref {
		2376	my ($ref) = @_;
		2377
		2378	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2379	my ($uuid, $name) = ($1, $2);
		2380	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2381	or return;
		2382	$pl->ob->uuid eq $uuid
		2383	or return;
		2384
		2385	$pl->ob
		2386	} else {
		2387	warn "$ref: cannot resolve object reference\n";
		2388	undef
		2389	}
1703	}	2390	}
1704		2391
1705	package cf;	2392	package cf;
1706		2393
1707	=back	2394	=back
…		…
1726		2413
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2414	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2415
1729	if ($self->{record_replies}) {	2416	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2417	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2418
1731	} else {	2419	} else {
		2420	my $pl = $self->contr;
		2421
		2422	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2423	my $dialog = $pl->{npc_dialog};
		2424	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2425
		2426	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2427	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2428	$self->message ($msg, $flags);
		2429	}
1734	}	2430	}
		2431	}
		2432
		2433	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2434
		2435	=cut
		2436
		2437	sub cf::object::send_msg {
		2438	my $pl = shift->contr
		2439	or return;
		2440	$pl->send_msg (@_);
1735	}	2441	}
1736		2442
1737	=item $player_object->may ("access")	2443	=item $player_object->may ("access")
1738		2444
1739	Returns wether the given player is authorized to access resource "access"	2445	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2492	$self->deactivate_recursive;
1787		2493
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2494	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2495
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2496	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2497	if $self->map && $self->map->{path} ne "{link}";
1792		2498
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2499	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2500	}
1795		2501
1796	sub cf::object::player::leave_link {	2502	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2503	my ($self, $map, $x, $y) = @_;
		2504
		2505	return unless $self->contr->active;
1798		2506
1799	my $link_pos = delete $self->{_link_pos};	2507	my $link_pos = delete $self->{_link_pos};
1800		2508
1801	unless ($map) {	2509	unless ($map) {
1802	# restore original map position	2510	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2524	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2525	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2526	if $x <=0 && $y <= 0;
1819		2527
1820	$map->load;	2528	$map->load;
1821	$map->load_diag;	2529	$map->load_neighbours;
1822		2530
1823	return unless $self->contr->active;	2531	return unless $self->contr->active;
1824	$self->activate_recursive;	2532	$self->activate_recursive;
1825		2533
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2534	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2535	$self->enter_map ($map, $x, $y);
1828	}	2536	}
1829		2537
1830	cf::player->attach (	2538	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2539
1834	# abort map switching before logout	2540	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2541	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2542	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2543	the new (success) or old (failed) map position. In either case, $done will
1838	};	2544	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2545
1844	# try to abort aborted map switching on player login :)
1845	# should happen only on crashes
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2546	=cut
		2547
		2548	our $GOTOGEN;
1865		2549
1866	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2551	my ($self, $path, $x, $y, $check, $done) = @_;
		2552
		2553	# do generation counting so two concurrent goto's will be executed in-order
		2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2555
1869	$self->enter_link;	2556	$self->enter_link;
1870		2557
1871	(async {	2558	(async {
		2559	$Coro::current->{desc} = "player::goto $path $x $y";
		2560
		2561	# *tag paths override both path and x|y
		2562	if ($path =~ /^\*(.*)$/) {
		2563	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2564	my $ob = $obs[rand @obs];
		2565
		2566	# see if we actually can go there
		2567	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2568	$ob = $obs[rand @obs];
		2569	} else {
		2570	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2571	}
		2572	# else put us there anyways for now #d#
		2573
		2574	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2575	} else {
		2576	($path, $x, $y) = (undef, undef, undef);
		2577	}
		2578	}
		2579
1872	my $map = eval {	2580	my $map = eval {
1873	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
		2582
		2583	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2584	$map = $map->customise_for ($self);
		2585	$map = $check->($map) if $check && $map;
		2586	} else {
		2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	}
		2589
1875	$map	2590	$map
		2591	};
		2592
		2593	if ($@) {
		2594	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2596	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2597
		2598	if ($gen == $self->{_goto_generation}) {
		2599	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2600	$self->leave_link ($map, $x, $y);
		2601	}
		2602
		2603	$done->() if $done;
1880	})->prio (1);	2604	})->prio (1);
1881	}	2605	}
1882		2606
1883	=item $player_object->enter_exit ($exit_object)	2607	=item $player_object->enter_exit ($exit_object)
1884		2608
…		…
1921	$rmp->{origin_y} = $exit->y;	2645	$rmp->{origin_y} = $exit->y;
1922	}	2646	}
1923		2647
1924	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
1925		2649
1926	my $data = cf::to_json $rmp;	2650	my $data = cf::encode_json $rmp;
1927	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
1929		2653
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2656	undef $fh;
1933	aio_rename "$meta~", $meta;	2657	aio_rename "$meta~", $meta;
…		…
1942		2666
1943	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
1944		2668
1945	if ($exit->slaying eq "/!") {	2669	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job	2670	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2671	# the problem is that $exit might not survive long enough
		2672	# so it needs to be done right now, right here
1947	cf::sync_job { prepare_random_map $exit };	2673	cf::sync_job { prepare_random_map $exit };
1948	}	2674	}
1949		2675
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2676	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;	2677	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;	2678	my $sp = $exit->stats->sp;
1953		2679
1954	$self->enter_link;	2680	$self->enter_link;
1955		2681
		2682	# if exit is damned, update players death & WoR home-position
		2683	$self->contr->savebed ($slaying, $hp, $sp)
		2684	if $exit->flag (FLAG_DAMNED);
		2685
1956	(async {	2686	(async {
		2687	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2688
1957	$self->deactivate_recursive; # just to be sure	2689	$self->deactivate_recursive; # just to be sure
1958	unless (eval {	2690	unless (eval {
1959	$self->goto ($slaying, $hp, $sp);	2691	$self->goto ($slaying, $hp, $sp);
1960		2692
1961	1;	2693	1;
1962	}) {	2694	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2695	$self->message ("Something went wrong deep within the crossfire server. "
1964	. "I'll try to bring you back to the map you were before. "	2696	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2697	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2698	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2699
1968	warn "ERROR in enter_exit: $@";	2700	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2701	$self->leave_link;
1970	}	2702	}
1971	})->prio (1);	2703	})->prio (1);
…		…
1987		2719
1988	utf8::encode $text;	2720	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2721	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2722	}
1991		2723
		2724	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2725
		2726	Send a drawinfo or msg packet to the client, formatting the msg for the
		2727	client if neccessary. C<$type> should be a string identifying the type of
		2728	the message, with C<log> being the default. If C<$color> is negative, suppress
		2729	the message unless the client supports the msg packet.
		2730
		2731	=cut
		2732
		2733	# non-persistent channels (usually the info channel)
		2734	our %CHANNEL = (
		2735	"c/identify" => {
		2736	id => "infobox",
		2737	title => "Identify",
		2738	reply => undef,
		2739	tooltip => "Items recently identified",
		2740	},
		2741	"c/examine" => {
		2742	id => "infobox",
		2743	title => "Examine",
		2744	reply => undef,
		2745	tooltip => "Signs and other items you examined",
		2746	},
		2747	"c/book" => {
		2748	id => "infobox",
		2749	title => "Book",
		2750	reply => undef,
		2751	tooltip => "The contents of a note or book",
		2752	},
		2753	"c/lookat" => {
		2754	id => "infobox",
		2755	title => "Look",
		2756	reply => undef,
		2757	tooltip => "What you saw there",
		2758	},
		2759	"c/who" => {
		2760	id => "infobox",
		2761	title => "Players",
		2762	reply => undef,
		2763	tooltip => "Shows players who are currently online",
		2764	},
		2765	"c/body" => {
		2766	id => "infobox",
		2767	title => "Body Parts",
		2768	reply => undef,
		2769	tooltip => "Shows which body parts you posess and are available",
		2770	},
		2771	"c/uptime" => {
		2772	id => "infobox",
		2773	title => "Uptime",
		2774	reply => undef,
		2775	tooltip => "How long the server has been running since last restart",
		2776	},
		2777	"c/mapinfo" => {
		2778	id => "infobox",
		2779	title => "Map Info",
		2780	reply => undef,
		2781	tooltip => "Information related to the maps",
		2782	},
		2783	);
		2784
		2785	sub cf::client::send_msg {
		2786	my ($self, $channel, $msg, $color, @extra) = @_;
		2787
		2788	$msg = $self->pl->expand_cfpod ($msg);
		2789
		2790	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2791
		2792	# check predefined channels, for the benefit of C
		2793	if ($CHANNEL{$channel}) {
		2794	$channel = $CHANNEL{$channel};
		2795
		2796	$self->ext_msg (channel_info => $channel)
		2797	if $self->can_msg;
		2798
		2799	$channel = $channel->{id};
		2800
		2801	} elsif (ref $channel) {
		2802	# send meta info to client, if not yet sent
		2803	unless (exists $self->{channel}{$channel->{id}}) {
		2804	$self->{channel}{$channel->{id}} = $channel;
		2805	$self->ext_msg (channel_info => $channel)
		2806	if $self->can_msg;
		2807	}
		2808
		2809	$channel = $channel->{id};
		2810	}
		2811
		2812	return unless @extra || length $msg;
		2813
		2814	if ($self->can_msg) {
		2815	# default colour, mask it out
		2816	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2817	if $color & cf::NDI_DEF;
		2818
		2819	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2820	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2821	} else {
		2822	if ($color >= 0) {
		2823	# replace some tags by gcfclient-compatible ones
		2824	for ($msg) {
		2825	1 while
		2826	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2827	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2828	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2829	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2830	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2831	}
		2832
		2833	$color &= cf::NDI_COLOR_MASK;
		2834
		2835	utf8::encode $msg;
		2836
		2837	if (0 && $msg =~ /\[/) {
		2838	# COMMAND/INFO
		2839	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2840	} else {
		2841	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2842	$self->send_packet ("drawinfo $color $msg")
		2843	}
		2844	}
		2845	}
		2846	}
		2847
		2848	=item $client->ext_msg ($type, @msg)
		2849
		2850	Sends an ext event to the client.
		2851
		2852	=cut
		2853
		2854	sub cf::client::ext_msg($$@) {
		2855	my ($self, $type, @msg) = @_;
		2856
		2857	if ($self->extcmd == 2) {
		2858	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2859	} elsif ($self->extcmd == 1) { # TODO: remove
		2860	push @msg, msgtype => "event_$type";
		2861	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2862	}
		2863	}
		2864
		2865	=item $client->ext_reply ($msgid, @msg)
		2866
		2867	Sends an ext reply to the client.
		2868
		2869	=cut
		2870
		2871	sub cf::client::ext_reply($$@) {
		2872	my ($self, $id, @msg) = @_;
		2873
		2874	if ($self->extcmd == 2) {
		2875	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2876	} elsif ($self->extcmd == 1) {
		2877	#TODO: version 1, remove
		2878	unshift @msg, msgtype => "reply", msgid => $id;
		2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2880	}
		2881	}
1992		2882
1993	=item $success = $client->query ($flags, "text", \&cb)	2883	=item $success = $client->query ($flags, "text", \&cb)
1994		2884
1995	Queues a query to the client, calling the given callback with	2885	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2886	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2887	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2888
1999	Queries can fail, so check the return code. Or don't, as queries will become	2889	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2890	become reliable at some point in the future.
2001		2891
2002	=cut	2892	=cut
2003		2893
2004	sub cf::client::query {	2894	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2895	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2903	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2904	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2905
2016	$self->send_packet ($self->{query_queue}[0][0])	2906	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2907	if @{ $self->{query_queue} } == 1;
		2908
		2909	1
2018	}	2910	}
2019		2911
2020	cf::client->attach (	2912	cf::client->attach (
		2913	on_connect => sub {
		2914	my ($ns) = @_;
		2915
		2916	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2917	},
2021	on_reply => sub {	2918	on_reply => sub {
2022	my ($ns, $msg) = @_;	2919	my ($ns, $msg) = @_;
2023		2920
2024	# this weird shuffling is so that direct followup queries	2921	# this weird shuffling is so that direct followup queries
2025	# get handled first	2922	# get handled first
…		…
2037	} else {	2934	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2936	}
2040	}	2937	}
2041	},	2938	},
		2939	on_exticmd => sub {
		2940	my ($ns, $buf) = @_;
		2941
		2942	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2943
		2944	if (ref $msg) {
		2945	my ($type, $reply, @payload) =
		2946	"ARRAY" eq ref $msg
		2947	? @$msg
		2948	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2949
		2950	my @reply;
		2951
		2952	if (my $cb = $EXTICMD{$type}) {
		2953	@reply = $cb->($ns, @payload);
		2954	}
		2955
		2956	$ns->ext_reply ($reply, @reply)
		2957	if $reply;
		2958
		2959	} else {
		2960	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2961	}
		2962
		2963	cf::override;
		2964	},
2042	);	2965	);
2043		2966
2044	=item $client->async (\&cb)	2967	=item $client->async (\&cb)
2045		2968
2046	Create a new coroutine, running the specified callback. The coroutine will	2969	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3010	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3011	our $safe_hole = new Safe::Hole;
2089		3012
2090	$SIG{FPE} = 'IGNORE';	3013	$SIG{FPE} = 'IGNORE';
2091		3014
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3015	$safe->permit_only (Opcode::opset qw(
		3016	:base_core :base_mem :base_orig :base_math
		3017	grepstart grepwhile mapstart mapwhile
		3018	sort time
		3019	));
2093		3020
2094	# here we export the classes and methods available to script code	3021	# here we export the classes and methods available to script code
2095		3022
2096	=pod	3023	=pod
2097		3024
2098	The following functions and methods are available within a safe environment:	3025	The following functions and methods are available within a safe environment:
2099		3026
2100	cf::object contr pay_amount pay_player map	3027	cf::object
		3028	contr pay_amount pay_player map x y force_find force_add destroy
		3029	insert remove name archname title slaying race decrease_ob_nr
		3030
2101	cf::object::player player	3031	cf::object::player
2102	cf::player peaceful	3032	player
2103	cf::map trigger	3033
		3034	cf::player
		3035	peaceful
		3036
		3037	cf::map
		3038	trigger
2104		3039
2105	=cut	3040	=cut
2106		3041
2107	for (	3042	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3043	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3044	insert remove inv name archname title slaying race
		3045	decrease_ob_nr destroy)],
2109	["cf::object::player" => qw(player)],	3046	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3047	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3048	["cf::map" => qw(trigger)],
2112	) {	3049	) {
2113	no strict 'refs';	3050	no strict 'refs';
…		…
2184	=back	3121	=back
2185		3122
2186	=cut	3123	=cut
2187		3124
2188	#############################################################################	3125	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3126	# the server's init and main functions
2262		3127
2263	sub load_facedata {	3128	sub load_facedata($) {
2264	my $path = sprintf "%s/facedata", cf::datadir;	3129	my ($path) = @_;
		3130
		3131	# HACK to clear player env face cache, we need some signal framework
		3132	# for this (global event?)
		3133	%ext::player_env::MUSIC_FACE_CACHE = ();
		3134
		3135	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2265		3136
2266	warn "loading facedata from $path\n";	3137	warn "loading facedata from $path\n";
2267		3138
2268	my $faces;	3139	my $facedata;
2269	0 < aio_load $path, $faces	3140	0 < aio_load $path, $facedata
2270	or die "$path: $!";	3141	or die "$path: $!";
2271		3142
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3143	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3144
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3145	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3146	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3147
		3148	# patch in the exptable
		3149	$facedata->{resource}{"res/exp_table"} = {
		3150	type => FT_RSRC,
		3151	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3152	};
		3153	cf::cede_to_tick;
		3154
		3155	{
		3156	my $faces = $facedata->{faceinfo};
		3157
2280	while (my ($face, $info) = each %$faces) {	3158	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3159	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3160
		3161	cf::face::set_visibility $idx, $info->{visibility};
		3162	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3163	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2284	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3164	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2285	Coro::cede;
2286	}
2287		3165
		3166	cf::cede_to_tick;
		3167	}
		3168
2288	while (my ($face, $info) = each %$faces) {	3169	while (my ($face, $info) = each %$faces) {
2289	next unless $info->{smooth};	3170	next unless $info->{smooth};
		3171
2290	my $idx = cf::face::find $face	3172	my $idx = cf::face::find $face
2291	or next;	3173	or next;
		3174
2292	if (my $smooth = cf::face::find $info->{smooth}) {	3175	if (my $smooth = cf::face::find $info->{smooth}) {
2293	cf::face::set_smooth $idx, $smooth;	3176	cf::face::set_smooth $idx, $smooth;
		3177	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2294	} else {	3178	} else {
2295	warn "smooth face '$info->{smooth}' not found for face '$face'";	3179	warn "smooth face '$info->{smooth}' not found for face '$face'";
2296	}	3180	}
2297	Coro::cede;	3181
		3182	cf::cede_to_tick;
		3183	}
		3184	}
		3185
2298	}	3186	{
		3187	my $anims = $facedata->{animinfo};
		3188
		3189	while (my ($anim, $info) = each %$anims) {
		3190	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3191	cf::cede_to_tick;
		3192	}
		3193
		3194	cf::anim::invalidate_all; # d'oh
		3195	}
		3196
		3197	{
		3198	# TODO: for gcfclient pleasure, we should give resources
		3199	# that gcfclient doesn't grok a >10000 face index.
		3200	my $res = $facedata->{resource};
		3201
		3202	while (my ($name, $info) = each %$res) {
		3203	if (defined $info->{type}) {
		3204	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3205	my $data;
		3206
		3207	if ($info->{type} & 1) {
		3208	# prepend meta info
		3209
		3210	my $meta = $enc->encode ({
		3211	name => $name,
		3212	%{ $info->{meta} || {} },
		3213	});
		3214
		3215	$data = pack "(w/a*)*", $meta, $info->{data};
		3216	} else {
		3217	$data = $info->{data};
		3218	}
		3219
		3220	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3221	cf::face::set_type $idx, $info->{type};
		3222	} else {
		3223	$RESOURCE{$name} = $info;
		3224	}
		3225
		3226	cf::cede_to_tick;
		3227	}
		3228	}
		3229
		3230	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2299		3231
2300	1	3232	1
2301	}	3233	}
2302		3234
		3235	cf::global->attach (on_resource_update => sub {
		3236	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3237	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3238
		3239	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3240	my $sound = $soundconf->{compat}[$_]
		3241	or next;
		3242
		3243	my $face = cf::face::find "sound/$sound->[1]";
		3244	cf::sound::set $sound->[0] => $face;
		3245	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3246	}
		3247
		3248	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3249	my $face = cf::face::find "sound/$v";
		3250	cf::sound::set $k => $face;
		3251	}
		3252	}
		3253	});
		3254
		3255	register_exticmd fx_want => sub {
		3256	my ($ns, $want) = @_;
		3257
		3258	while (my ($k, $v) = each %$want) {
		3259	$ns->fx_want ($k, $v);
		3260	}
		3261	};
		3262
		3263	sub reload_regions {
		3264	# HACK to clear player env face cache, we need some signal framework
		3265	# for this (global event?)
		3266	%ext::player_env::MUSIC_FACE_CACHE = ();
		3267
		3268	load_resource_file "$MAPDIR/regions"
		3269	or die "unable to load regions file\n";
		3270
		3271	for (cf::region::list) {
		3272	$_->{match} = qr/$_->{match}/
		3273	if exists $_->{match};
		3274	}
		3275	}
		3276
		3277	sub reload_facedata {
		3278	load_facedata "$DATADIR/facedata"
		3279	or die "unable to load facedata\n";
		3280	}
		3281
		3282	sub reload_archetypes {
		3283	load_resource_file "$DATADIR/archetypes"
		3284	or die "unable to load archetypes\n";
		3285	#d# NEED to laod twice to resolve forward references
		3286	# this really needs to be done in an extra post-pass
		3287	# (which needs to be synchronous, so solve it differently)
		3288	load_resource_file "$DATADIR/archetypes"
		3289	or die "unable to load archetypes\n";
		3290	}
		3291
		3292	sub reload_treasures {
		3293	load_resource_file "$DATADIR/treasures"
		3294	or die "unable to load treasurelists\n";
		3295	}
		3296
2303	sub reload_resources {	3297	sub reload_resources {
2304	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3298	warn "reloading resource files...\n";
2305	or die "unable to load regions file\n";#d#	3299
		3300	reload_regions;
2306	load_facedata	3301	reload_facedata;
2307	or die "unable to load facedata\n";#d#	3302	#reload_archetypes;#d#
		3303	reload_archetypes;
		3304	reload_treasures;
		3305
		3306	warn "finished reloading resource files\n";
2308	}	3307	}
2309		3308
2310	sub init {	3309	sub init {
2311	reload_resources;	3310	reload_resources;
2312	}	3311	}
2313		3312
2314	sub cfg_load {	3313	sub reload_config {
2315	open my $fh, "<:utf8", cf::confdir . "/config"	3314	open my $fh, "<:utf8", "$CONFDIR/config"
2316	or return;	3315	or return;
2317		3316
2318	local $/;	3317	local $/;
2319	*CFG = YAML::Syck::Load <$fh>;	3318	*CFG = YAML::Syck::Load <$fh>;
2320		3319
…		…
2335	sub main {	3334	sub main {
2336	# we must not ever block the main coroutine	3335	# we must not ever block the main coroutine
2337	local $Coro::idle = sub {	3336	local $Coro::idle = sub {
2338	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2339	(async {	3338	(async {
2340	Event::one_event;	3339	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3340	EV::loop EV::LOOP_ONESHOT;
2341	})->prio (Coro::PRIO_MAX);	3341	})->prio (Coro::PRIO_MAX);
2342	};	3342	};
2343		3343
2344	cfg_load;	3344	reload_config;
2345	db_init;	3345	db_init;
2346	load_extensions;	3346	load_extensions;
2347		3347
2348	$TICK_WATCHER->start;	3348	$TICK_WATCHER->start;
		3349	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2349	Event::loop;	3350	EV::loop;
2350	}	3351	}
2351		3352
2352	#############################################################################	3353	#############################################################################
2353	# initialisation and cleanup	3354	# initialisation and cleanup
2354		3355
2355	# install some emergency cleanup handlers	3356	# install some emergency cleanup handlers
2356	BEGIN {	3357	BEGIN {
		3358	our %SIGWATCHER = ();
2357	for my $signal (qw(INT HUP TERM)) {	3359	for my $signal (qw(INT HUP TERM)) {
2358	Event->signal (	3360	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2359	reentrant => 0,
2360	data => WF_AUTOCANCEL,
2361	signal => $signal,
2362	prio => 0,
2363	cb => sub {
2364	cf::cleanup "SIG$signal";	3361	cf::cleanup "SIG$signal";
2365	},
2366	);	3362	};
		3363	}
		3364	}
		3365
		3366	sub write_runtime {
		3367	my $runtime = "$LOCALDIR/runtime";
		3368
		3369	# first touch the runtime file to show we are still running:
		3370	# the fsync below can take a very very long time.
		3371
		3372	IO::AIO::aio_utime $runtime, undef, undef;
		3373
		3374	my $guard = cf::lock_acquire "write_runtime";
		3375
		3376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3377	or return;
		3378
		3379	my $value = $cf::RUNTIME + 90 + 10;
		3380	# 10 is the runtime save interval, for a monotonic clock
		3381	# 60 allows for the watchdog to kill the server.
		3382
		3383	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3384	and return;
		3385
		3386	# always fsync - this file is important
		3387	aio_fsync $fh
		3388	and return;
		3389
		3390	# touch it again to show we are up-to-date
		3391	aio_utime $fh, undef, undef;
		3392
		3393	close $fh
		3394	or return;
		3395
		3396	aio_rename "$runtime~", $runtime
		3397	and return;
		3398
		3399	warn "runtime file written.\n";
		3400
2367	}	3401	1
2368	}	3402	}
2369		3403
2370	sub emergency_save() {	3404	sub emergency_save() {
2371	my $freeze_guard = cf::freeze_mainloop;	3405	my $freeze_guard = cf::freeze_mainloop;
2372		3406
…		…
2378	# and maps saved/destroyed asynchronously.	3412	# and maps saved/destroyed asynchronously.
2379	warn "begin emergency player save\n";	3413	warn "begin emergency player save\n";
2380	for my $login (keys %cf::PLAYER) {	3414	for my $login (keys %cf::PLAYER) {
2381	my $pl = $cf::PLAYER{$login} or next;	3415	my $pl = $cf::PLAYER{$login} or next;
2382	$pl->valid or next;	3416	$pl->valid or next;
		3417	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2383	$pl->save;	3418	$pl->save;
2384	}	3419	}
2385	warn "end emergency player save\n";	3420	warn "end emergency player save\n";
2386		3421
2387	warn "begin emergency map save\n";	3422	warn "begin emergency map save\n";
…		…
2405		3440
2406	warn Carp::longmess "post_cleanup backtrace"	3441	warn Carp::longmess "post_cleanup backtrace"
2407	if $make_core;	3442	if $make_core;
2408	}	3443	}
2409		3444
2410	sub reload() {	3445	sub do_reload_perl() {
2411	# can/must only be called in main	3446	# can/must only be called in main
2412	if ($Coro::current != $Coro::main) {	3447	if ($Coro::current != $Coro::main) {
2413	warn "can only reload from main coroutine";	3448	warn "can only reload from main coroutine";
2414	return;	3449	return;
2415	}	3450	}
…		…
2426	warn "syncing database to disk";	3461	warn "syncing database to disk";
2427	BDB::db_env_txn_checkpoint $DB_ENV;	3462	BDB::db_env_txn_checkpoint $DB_ENV;
2428		3463
2429	# if anything goes wrong in here, we should simply crash as we already saved	3464	# if anything goes wrong in here, we should simply crash as we already saved
2430		3465
2431	warn "cancelling all WF_AUTOCANCEL watchers";
2432	for (Event::all_watchers) {
2433	$_->cancel if $_->data & WF_AUTOCANCEL;
2434	}
2435
2436	warn "flushing outstanding aio requests";	3466	warn "flushing outstanding aio requests";
2437	for (;;) {	3467	for (;;) {
2438	BDB::flush;	3468	BDB::flush;
2439	IO::AIO::flush;	3469	IO::AIO::flush;
2440	Coro::cede;	3470	Coro::cede_notself;
2441	last unless IO::AIO::nreqs || BDB::nreqs;	3471	last unless IO::AIO::nreqs || BDB::nreqs;
2442	warn "iterate...";	3472	warn "iterate...";
2443	}	3473	}
2444		3474
2445	++$RELOAD;	3475	++$RELOAD;
…		…
2449	%EXT_CORO = ();	3479	%EXT_CORO = ();
2450		3480
2451	warn "removing commands";	3481	warn "removing commands";
2452	%COMMAND = ();	3482	%COMMAND = ();
2453		3483
2454	warn "removing ext commands";	3484	warn "removing ext/exti commands";
2455	%EXTCMD = ();	3485	%EXTCMD = ();
		3486	%EXTICMD = ();
2456		3487
2457	warn "unloading/nuking all extensions";	3488	warn "unloading/nuking all extensions";
2458	for my $pkg (@EXTS) {	3489	for my $pkg (@EXTS) {
2459	warn "... unloading $pkg";	3490	warn "... unloading $pkg";
2460		3491
…		…
2490	Symbol::delete_package "safe::$_"	3521	Symbol::delete_package "safe::$_"
2491	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3522	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2492		3523
2493	warn "unloading cf.pm \"a bit\"";	3524	warn "unloading cf.pm \"a bit\"";
2494	delete $INC{"cf.pm"};	3525	delete $INC{"cf.pm"};
		3526	delete $INC{"cf/pod.pm"};
2495		3527
2496	# don't, removes xs symbols, too,	3528	# don't, removes xs symbols, too,
2497	# and global variables created in xs	3529	# and global variables created in xs
2498	#Symbol::delete_package __PACKAGE__;	3530	#Symbol::delete_package __PACKAGE__;
2499		3531
…		…
2502	warn "reloading cf.pm";	3534	warn "reloading cf.pm";
2503	require cf;	3535	require cf;
2504	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3536	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2505		3537
2506	warn "loading config and database again";	3538	warn "loading config and database again";
2507	cf::cfg_load;	3539	cf::reload_config;
2508		3540
2509	warn "loading extensions";	3541	warn "loading extensions";
2510	cf::load_extensions;	3542	cf::load_extensions;
2511		3543
2512	warn "reattaching attachments to objects/players";	3544	warn "reattaching attachments to objects/players";
…		…
2514	warn "reattaching attachments to maps";	3546	warn "reattaching attachments to maps";
2515	reattach $_ for values %MAP;	3547	reattach $_ for values %MAP;
2516	warn "reattaching attachments to players";	3548	warn "reattaching attachments to players";
2517	reattach $_ for values %PLAYER;	3549	reattach $_ for values %PLAYER;
2518		3550
2519	warn "loading reloadable resources";
2520	reload_resources;
2521
2522	warn "leaving sync_job";	3551	warn "leaving sync_job";
2523		3552
2524	1	3553	1
2525	} or do {	3554	} or do {
2526	warn $@;	3555	warn $@;
…		…
2531	warn "reloaded";	3560	warn "reloaded";
2532	};	3561	};
2533		3562
2534	our $RELOAD_WATCHER; # used only during reload	3563	our $RELOAD_WATCHER; # used only during reload
2535		3564
		3565	sub reload_perl() {
		3566	# doing reload synchronously and two reloads happen back-to-back,
		3567	# coro crashes during coro_state_free->destroy here.
		3568
		3569	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3570	undef $RELOAD_WATCHER;
		3571	do_reload_perl;
		3572	};
		3573	}
		3574
2536	register_command "reload" => sub {	3575	register_command "reload" => sub {
2537	my ($who, $arg) = @_;	3576	my ($who, $arg) = @_;
2538		3577
2539	if ($who->flag (FLAG_WIZ)) {	3578	if ($who->flag (FLAG_WIZ)) {
2540	$who->message ("reloading server.");	3579	$who->message ("reloading server.");
2541		3580	async {
2542	# doing reload synchronously and two reloads happen back-to-back,	3581	$Coro::current->{desc} = "perl_reload";
2543	# coro crashes during coro_state_free->destroy here.
2544
2545	$RELOAD_WATCHER ||= Event->timer (
2546	reentrant => 0,
2547	after => 0,
2548	data => WF_AUTOCANCEL,
2549	cb => sub {
2550	reload;	3582	reload_perl;
2551	undef $RELOAD_WATCHER;
2552	},
2553	);	3583	};
2554	}	3584	}
2555	};	3585	};
2556		3586
2557	unshift @INC, $LIBDIR;	3587	unshift @INC, $LIBDIR;
2558		3588
2559	my $bug_warning = 0;	3589	my $bug_warning = 0;
2560		3590
2561	$TICK_WATCHER = Event->timer (	3591	our @WAIT_FOR_TICK;
2562	reentrant => 0,	3592	our @WAIT_FOR_TICK_BEGIN;
2563	parked => 1,	3593
2564	prio => 0,	3594	sub wait_for_tick {
2565	at => $NEXT_TICK || $TICK,	3595	return unless $TICK_WATCHER->is_active;
2566	data => WF_AUTOCANCEL,	3596	return if $Coro::current == $Coro::main;
2567	cb => sub {	3597
		3598	my $signal = new Coro::Signal;
		3599	push @WAIT_FOR_TICK, $signal;
		3600	$signal->wait;
		3601	}
		3602
		3603	sub wait_for_tick_begin {
		3604	return unless $TICK_WATCHER->is_active;
		3605	return if $Coro::current == $Coro::main;
		3606
		3607	my $signal = new Coro::Signal;
		3608	push @WAIT_FOR_TICK_BEGIN, $signal;
		3609	$signal->wait;
		3610	}
		3611
		3612	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2568	if ($Coro::current != $Coro::main) {	3613	if ($Coro::current != $Coro::main) {
2569	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3614	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2570	unless ++$bug_warning > 10;	3615	unless ++$bug_warning > 10;
2571	return;	3616	return;
2572	}	3617	}
2573		3618
2574	$NOW = Event::time;	3619	$NOW = $tick_start = EV::now;
2575		3620
2576	cf::server_tick; # one server iteration	3621	cf::server_tick; # one server iteration
		3622
2577	$RUNTIME += $TICK;	3623	$RUNTIME += $TICK;
2578	$NEXT_TICK += $TICK;	3624	$NEXT_TICK = $_[0]->at;
2579		3625
2580	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3626	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2581	$NEXT_RUNTIME_WRITE = $NOW + 10;	3627	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2582	Coro::async_pool {	3628	Coro::async_pool {
		3629	$Coro::current->{desc} = "runtime saver";
2583	write_runtime	3630	write_runtime
2584	or warn "ERROR: unable to write runtime file: $!";	3631	or warn "ERROR: unable to write runtime file: $!";
2585	};
2586	}	3632	};
2587
2588	$WAIT_FOR_TICK->broadcast;
2589	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2590
2591	# my $AFTER = Event::time;
2592	# warn $AFTER - $NOW;#d#
2593
2594	# if we are delayed by four ticks or more, skip them all
2595	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2596
2597	$TICK_WATCHER->at ($NEXT_TICK);
2598	$TICK_WATCHER->start;
2599	},	3633	}
2600	);	3634
		3635	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3636	$sig->send;
		3637	}
		3638	while (my $sig = shift @WAIT_FOR_TICK) {
		3639	$sig->send;
		3640	}
		3641
		3642	$LOAD = ($NOW - $tick_start) / $TICK;
		3643	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3644
		3645	_post_tick;
		3646	};
		3647	$TICK_WATCHER->priority (EV::MAXPRI);
2601		3648
2602	{	3649	{
2603	BDB::max_poll_time $TICK * 0.1;	3650	# configure BDB
2604	$BDB_POLL_WATCHER = Event->io (	3651
2605	reentrant => 0,
2606	fd => BDB::poll_fileno,
2607	poll => 'r',
2608	prio => 0,
2609	data => WF_AUTOCANCEL,
2610	cb => \&BDB::poll_cb,
2611	);
2612	BDB::min_parallel 8;	3652	BDB::min_parallel 8;
2613		3653	BDB::max_poll_reqs $TICK * 0.1;
2614	BDB::set_sync_prepare {	3654	$Coro::BDB::WATCHER->priority (1);
2615	my $status;
2616	my $current = $Coro::current;
2617	(
2618	sub {
2619	$status = $!;
2620	$current->ready; undef $current;
2621	},
2622	sub {
2623	Coro::schedule while defined $current;
2624	$! = $status;
2625	},
2626	)
2627	};
2628		3655
2629	unless ($DB_ENV) {	3656	unless ($DB_ENV) {
2630	$DB_ENV = BDB::db_env_create;	3657	$DB_ENV = BDB::db_env_create;
		3658	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3659	| BDB::LOG_AUTOREMOVE, 1);
		3660	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3661	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2631		3662
2632	cf::sync_job {	3663	cf::sync_job {
2633	eval {	3664	eval {
2634	BDB::db_env_open	3665	BDB::db_env_open
2635	$DB_ENV,	3666	$DB_ENV,
2636	$BDB_ENV_DIR,	3667	$BDBDIR,
2637	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3668	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2638	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3669	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2639	0666;	3670	0666;
2640		3671
2641	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3672	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2642
2643	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2644	$DB_ENV->set_lk_detect;
2645	};	3673	};
2646		3674
2647	cf::cleanup "db_env_open(db): $@" if $@;	3675	cf::cleanup "db_env_open(db): $@" if $@;
2648	};	3676	};
2649	}	3677	}
		3678
		3679	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3680	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3681	};
		3682	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3683	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3684	};
		3685	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3686	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3687	};
2650	}	3688	}
2651		3689
2652	{	3690	{
		3691	# configure IO::AIO
		3692
2653	IO::AIO::min_parallel 8;	3693	IO::AIO::min_parallel 8;
2654
2655	undef $Coro::AIO::WATCHER;
2656	IO::AIO::max_poll_time $TICK * 0.1;	3694	IO::AIO::max_poll_time $TICK * 0.1;
2657	$AIO_POLL_WATCHER = Event->io (	3695	$Coro::AIO::WATCHER->priority (1);
2658	reentrant => 0,
2659	data => WF_AUTOCANCEL,
2660	fd => IO::AIO::poll_fileno,
2661	poll => 'r',
2662	prio => 6,
2663	cb => \&IO::AIO::poll_cb,
2664	);
2665	}	3696	}
		3697
		3698	my $_log_backtrace;
		3699
		3700	sub _log_backtrace {
		3701	my ($msg, @addr) = @_;
		3702
		3703	$msg =~ s/\n//;
		3704
		3705	# limit the # of concurrent backtraces
		3706	if ($_log_backtrace < 2) {
		3707	++$_log_backtrace;
		3708	async {
		3709	$Coro::current->{desc} = "abt $msg";
		3710
		3711	my @bt = fork_call {
		3712	@addr = map { sprintf "%x", $_ } @addr;
		3713	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3714	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3715	or die "addr2line: $!";
		3716
		3717	my @funcs;
		3718	my @res = <$fh>;
		3719	chomp for @res;
		3720	while (@res) {
		3721	my ($func, $line) = splice @res, 0, 2, ();
		3722	push @funcs, "[$func] $line";
		3723	}
		3724
		3725	@funcs
		3726	};
		3727
		3728	LOG llevInfo, "[ABT] $msg\n";
		3729	LOG llevInfo, "[ABT] $_\n" for @bt;
		3730	--$_log_backtrace;
		3731	};
		3732	} else {
		3733	LOG llevInfo, "[ABT] $msg\n";
		3734	LOG llevInfo, "[ABT] [suppressed]\n";
		3735	}
		3736	}
		3737
		3738	# load additional modules
		3739	use cf::pod;
2666		3740
2667	END { cf::emergency_save }	3741	END { cf::emergency_save }
2668		3742
2669	1	3743	1
2670		3744

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines