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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.252 by root, Wed Apr 18 15:28:18 2007 UTC vs.
Revision 1.407 by root, Sun Jan 13 09:53:53 2008 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;	9	use EV 1.86;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.32 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
23	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
24		26
		27	use JSON::XS 2.01 ();
25	use BDB ();	28	use BDB ();
26	use Data::Dumper;	29	use Data::Dumper;
27	use Digest::MD5;	30	use Digest::MD5;
28	use Fcntl;	31	use Fcntl;
29	use YAML::Syck ();	32	use YAML::Syck ();
30	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
31	use Time::HiRes;	34	use Time::HiRes;
32	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
33		37
34	# configure various modules to our taste	38	# configure various modules to our taste
35	#	39	#
36	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
37	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
38	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
39		43
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# 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?
43	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
44		46
45	$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
46		48
…		…
49	our %COMMAND = ();	51	our %COMMAND = ();
50	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
51		53
52	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
56		59
57	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
58	our @EVENT;	61	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	62
		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;
60		75
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;	77	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	80	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
68		82
69	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	87	our $DB_ENV;
71		88
72	our %CFG;	89	our %CFG;
73		90
74	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
76		94
77	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		98
83	# 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 ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		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 $tick_start; # for load detecting purposes
		105
86	binmode STDOUT;	106	binmode STDOUT;
87	binmode STDERR;	107	binmode STDERR;
88		108
89	# read virtual server time, if available	109	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
91	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
92	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
93	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
94	}	114	}
95		115
96	mkdir cf::localdir;	116	mkdir $_
97	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir cf::localdir . "/" . cf::tmpdir;
99	mkdir cf::localdir . "/" . cf::uniquedir;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		118
103	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
104		120
105	sub cf::map::normalise;	121	sub cf::map::normalise;
106		122
…		…
117	=item $cf::RUNTIME	133	=item $cf::RUNTIME
118		134
119	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
120	every server tick.	136	every server tick.
121		137
122	=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
123		141
124	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
125	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.
126		146
127	=item $cf::NOW	147	=item $cf::NOW
128		148
129	The time of the last (current) server tick.	149	The time of the last (current) server tick.
130		150
131	=item $cf::TICK	151	=item $cf::TICK
132		152
133	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
134		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
135	=item %cf::CFG	165	=item %cf::CFG
136		166
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	168	from wherever your confdir points to.
139		169
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		171
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		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.
		181
146	=back	182	=back
147		183
148	=cut	184	=cut
149		185
150	BEGIN {	186	BEGIN {
…		…
152	my $msg = join "", @_;	188	my $msg = join "", @_;
153		189
154	$msg .= "\n"	190	$msg .= "\n"
155	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
156		192
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		194
159	utf8::encode $msg;
160	LOG llevError, $msg;	195	LOG llevError, $msg;
161	};	196	};
162	}	197	}
		198
		199	$Coro::State::DIEHOOK = sub {
		200	warn Carp::longmess $_[0];
		201	Coro::terminate;
		202	};
163		203
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	204	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	205	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	206	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	207	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		211
171	# 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
172	# within the Safe compartment.	213	# within the Safe compartment.
173	for my $pkg (qw(	214	for my $pkg (qw(
174	cf::global cf::attachable	215	cf::global cf::attachable
…		…
179	)) {	220	)) {
180	no strict 'refs';	221	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	222	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	223	}
183		224
184	$Event::DIED = sub {	225	$EV::DIED = sub {
185	warn "error in event callback: @_";	226	warn "error in event callback: @_";
186	};	227	};
		228
		229	#############################################################################
187		230
188	=head2 UTILITY FUNCTIONS	231	=head2 UTILITY FUNCTIONS
189		232
190	=over 4	233	=over 4
191		234
…		…
210	$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;
211	$d	254	$d
212	} || "[unable to dump $_[0]: '$@']";	255	} || "[unable to dump $_[0]: '$@']";
213	}	256	}
214		257
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	258	=item $ref = cf::decode_json $json
218		259
219	Converts a JSON string into the corresponding perl data structure.	260	Converts a JSON string into the corresponding perl data structure.
220		261
221	=item $json = cf::to_json $ref	262	=item $json = cf::encode_json $ref
222		263
223	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]) }
224		272
225	=item cf::lock_wait $string	273	=item cf::lock_wait $string
226		274
227	Wait until the given lock is available. See cf::lock_acquire.	275	Wait until the given lock is available. See cf::lock_acquire.
228		276
…		…
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	281	for example when the coroutine gets canceled), the lock is automatically
234	returned.	282	returned.
235		283
		284	Locks are *not* recursive, locking from the same coro twice results in a
		285	deadlocked coro.
		286
236	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
237	uses map_find and cf::map::load uses map_load).	288	uses map_find and cf::map::load uses map_load).
238		289
		290	=item $locked = cf::lock_active $string
		291
		292	Return true if the lock is currently active, i.e. somebody has locked it.
		293
239	=cut	294	=cut
240		295
241	our %LOCK;	296	our %LOCK;
		297	our %LOCKER;#d#
242		298
243	sub lock_wait($) {	299	sub lock_wait($) {
244	my ($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#
245		306
246	# wait for lock, if any	307	# wait for lock, if any
247	while ($LOCK{$key}) {	308	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	309	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	310	Coro::schedule;
…		…
255		316
256	# wait, to be sure we are not locked	317	# wait, to be sure we are not locked
257	lock_wait $key;	318	lock_wait $key;
258		319
259	$LOCK{$key} = [];	320	$LOCK{$key} = [];
		321	$LOCKER{$key} = $Coro::current;#d#
260		322
261	Coro::guard {	323	Coro::guard {
		324	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	325	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	326	$_->ready for @{ delete $LOCK{$key} };
264	}	327	}
		328	}
		329
		330	sub lock_active($) {
		331	my ($key) = @_;
		332
		333	! ! $LOCK{$key}
265	}	334	}
266		335
267	sub freeze_mainloop {	336	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	337	return unless $TICK_WATCHER->is_active;
269		338
…		…
272	};	341	};
273	$TICK_WATCHER->stop;	342	$TICK_WATCHER->stop;
274	$guard	343	$guard
275	}	344	}
276		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	$sig->wait;
		417	}
		418
277	=item cf::async { BLOCK }	419	=item cf::async { BLOCK }
278		420
279	Currently the same as Coro::async_pool, meaning you cannot use	421	Currently the same as Coro::async_pool, meaning you cannot use
280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	422	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
281	thing you are allowed to do is call C<prio> on it.	423	thing you are allowed to do is call C<prio> on it.
…		…
284		426
285	BEGIN { *async = \&Coro::async_pool }	427	BEGIN { *async = \&Coro::async_pool }
286		428
287	=item cf::sync_job { BLOCK }	429	=item cf::sync_job { BLOCK }
288		430
289	The design of crossfire+ requires that the main coro ($Coro::main) is	431	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	432	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	433	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		434	acceptable.
292		435
293	If it must be done, put the blocking parts into C<sync_job>. This will run	436	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	437	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	438	server will be frozen during this time, so the block should either finish
296	fast or be very important.	439	fast or be very important.
…		…
299		442
300	sub sync_job(&) {	443	sub sync_job(&) {
301	my ($job) = @_;	444	my ($job) = @_;
302		445
303	if ($Coro::current == $Coro::main) {	446	if ($Coro::current == $Coro::main) {
		447	my $time = EV::time;
		448
304	# this is the main coro, too bad, we have to block	449	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	450	# till the operation succeeds, freezing the server :/
306		451
		452	LOG llevError, Carp::longmess "sync job";#d#
		453
307	# TODO: use suspend/resume instead	454	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	455	# (but this is cancel-safe)
309	my $freeze_guard = freeze_mainloop;	456	my $freeze_guard = freeze_mainloop;
310		457
311	my $busy = 1;	458	my $busy = 1;
312	my @res;	459	my @res;
313		460
314	(async {	461	(async {
		462	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	463	@res = eval { $job->() };
316	warn $@ if $@;	464	warn $@ if $@;
317	undef $busy;	465	undef $busy;
318	})->prio (Coro::PRIO_MAX);	466	})->prio (Coro::PRIO_MAX);
319		467
320	while ($busy) {	468	while ($busy) {
321	Coro::cede or Event::one_event;	469	if (Coro::nready) {
		470	Coro::cede_notself;
		471	} else {
		472	EV::loop EV::LOOP_ONESHOT;
322	}	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
323		482
324	wantarray ? @res : $res[0]	483	wantarray ? @res : $res[0]
325	} else {	484	} else {
326	# we are in another coroutine, how wonderful, everything just works	485	# we are in another coroutine, how wonderful, everything just works
327		486
…		…
347	$EXT_CORO{$coro+0} = $coro;	506	$EXT_CORO{$coro+0} = $coro;
348		507
349	$coro	508	$coro
350	}	509	}
351		510
352	sub write_runtime {	511	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		512
355	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.
356		517
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	518	=cut
358	or return;
359		519
360	my $value = $cf::RUNTIME + 90 + 10;	520	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	521	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		522
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	523	# we seemingly have to make a local copy of the whole thing,
365	and return;	524	# otherwise perl prematurely frees the stuff :/
		525	# TODO: investigate and fix (likely this will be rather laborious)
366		526
367	# always fsync - this file is important	527	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	528	reset_signals;
369	and return;	529	&$cb
		530	}, @args;
370		531
371	close $fh	532	wantarray ? @res : $res[-1]
372	or return;	533	}
373		534
374	aio_rename "$runtime~", $runtime	535	=item $value = cf::db_get $family => $key
375	and return;
376		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($$) {
		577	my $key = "$_[0]/$_[1]";
		578
		579	cf::sync_job {
		580	BDB::db_get $DB, undef, $key, my $data;
		581
		582	$! ? ()
		583	: $data
377	1	584	}
		585	}
		586
		587	sub db_put($$$) {
		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"
378	}	660	}
379		661
380	=item cf::datalog type => key => value, ...	662	=item cf::datalog type => key => value, ...
381		663
382	Log a datalog packet of the given type with the given key-value pairs.	664	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	attach callbacks/event handlers (a collection of which is called an "attachment")	682	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	683	to it. All such attachable objects support the following methods.
402		684
403	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>
404	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
405	crossfire+).	687	Deliantra).
406		688
407	=over 4	689	=over 4
408		690
409	=item $attachable->attach ($attachment, key => $value...)	691	=item $attachable->attach ($attachment, key => $value...)
410		692
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	855	$registry = $CB_TYPE[$object_type] ||= [];
574		856
575	} elsif ($type eq "subtype") {	857	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	858	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	859	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	860	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		861
580	} elsif ($type eq "package") {	862	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	863	my $pkg = shift @arg;
582		864
583	while (my ($name, $id) = each %cb_id) {	865	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	894	_attach $registry, $klass, @attach;
613	}	895	}
614		896
615	$obj->{$name} = \%arg;	897	$obj->{$name} = \%arg;
616	} else {	898	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	899	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	900	}
619		901
620	$obj->{_attachment}{$name} = undef;	902	$obj->{_attachment}{$name} = undef;
621	}	903	}
622		904
…		…
624	if (ref $_[0]) {	906	if (ref $_[0]) {
625	_object_attach @_;	907	_object_attach @_;
626	} else {	908	} else {
627	_attach shift->_attach_registry, @_;	909	_attach shift->_attach_registry, @_;
628	}	910	}
		911	_recalc_want;
629	};	912	};
630		913
631	# all those should be optimised	914	# all those should be optimised
632	sub cf::attachable::detach {	915	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	916	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	919	delete $obj->{_attachment}{$name};
637	reattach ($obj);	920	reattach ($obj);
638	} else {	921	} else {
639	Carp::croak "cannot, currently, detach class attachments";	922	Carp::croak "cannot, currently, detach class attachments";
640	}	923	}
		924	_recalc_want;
641	};	925	};
642		926
643	sub cf::attachable::attached {	927	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	928	my ($obj, $name) = @_;
645		929
…		…
660	";	944	";
661	die if $@;	945	die if $@;
662	}	946	}
663		947
664	our $override;	948	our $override;
665	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?
666		950
667	sub override {	951	sub override {
668	$override = 1;	952	$override = 1;
669	@invoke_results = ();	953	@INVOKE_RESULTS = (@_);
670	}	954	}
671		955
672	sub do_invoke {	956	sub do_invoke {
673	my $event = shift;	957	my $event = shift;
674	my $callbacks = shift;	958	my $callbacks = shift;
675		959
676	@invoke_results = ();	960	@INVOKE_RESULTS = ();
677		961
678	local $override;	962	local $override;
679		963
680	for (@$callbacks) {	964	for (@$callbacks) {
681	eval { &{$_->[1]} };	965	eval { &{$_->[1]} };
…		…
690	}	974	}
691		975
692	0	976	0
693	}	977	}
694		978
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	979	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		980
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	981	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		982
699	Generate an object-specific event with the given arguments.	983	Generate an object-specific event with the given arguments.
700		984
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	987	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		988
705	=back	989	=back
706		990
707	=cut	991	=cut
708		992
709	#############################################################################	993	#############################################################################
710	# 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, $ob2
		1036	}
711		1037
712	sub reattach {	1038	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1039	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1040	my ($obj) = @_;
715		1041
…		…
736	cf::attachable->attach (	1062	cf::attachable->attach (
737	prio => -1000000,	1063	prio => -1000000,
738	on_instantiate => sub {	1064	on_instantiate => sub {
739	my ($obj, $data) = @_;	1065	my ($obj, $data) = @_;
740		1066
741	$data = from_json $data;	1067	$data = decode_json $data;
742		1068
743	for (@$data) {	1069	for (@$data) {
744	my ($name, $args) = @$_;	1070	my ($name, $args) = @$_;
745		1071
746	$obj->attach ($name, %{$args || {} });	1072	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1088	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1089	my ($filename, $rdata, $objs) = @_;
764		1090
765	sync_job {	1091	sync_job {
766	if (length $$rdata) {	1092	if (length $$rdata) {
		1093	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1094	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1095	$decname, length $$rdata, scalar @$objs;
769		1096
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1099	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1100	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1101	close $fh;
775		1102
776	if (@$objs) {	1103	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1106	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1107	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1108	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1109	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1110	aio_rename "$filename.pst~", "$filename.pst";
784	}	1111	}
…		…
792	}	1119	}
793	} else {	1120	} else {
794	aio_unlink $filename;	1121	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1122	aio_unlink "$filename.pst";
796	}	1123	}
797	}	1124	};
798	}	1125	}
799		1126
800	sub object_freezer_as_string {	1127	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1128	my ($rdata, $objs) = @_;
802		1129
…		…
814	or return;	1141	or return;
815		1142
816	unless (aio_stat "$filename.pst") {	1143	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1144	(aio_load "$filename.pst", $av) >= 0
818	or return;	1145	or return;
		1146
819	$av = eval { (Storable::thaw $av)->{objs} };	1147	my $st = eval { Coro::Storable::thaw $av };
		1148	$av = $st->{objs};
820	}	1149	}
821		1150
		1151	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1152	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1153	$decname, length $data, scalar @{$av || []};
		1154
824	return ($data, $av);	1155	($data, $av)
825	}	1156	}
		1157
		1158	=head2 COMMAND CALLBACKS
		1159
		1160	=over 4
		1161
		1162	=cut
826		1163
827	#############################################################################	1164	#############################################################################
828	# command handling &c	1165	# command handling &c
829		1166
830	=item cf::register_command $name => \&callback($ob,$args);	1167	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1180	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1181	}
845		1182
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1183	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1184
848	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.
849		1190
850	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
851	called.	1192	called.
852		1193
		1194	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1195
		1196	Register a callback for execution when the client sends an (asynchronous)
		1197	exticmd packet. Exti commands are processed by the server as soon as they
		1198	are received, i.e. out of order w.r.t. other commands. The first argument
		1199	is a client socket. Exti commands can be received anytime, even before
		1200	log-in.
		1201
		1202	If the callback returns something, it is sent back as if reply was being
		1203	called.
		1204
853	=cut	1205	=cut
854		1206
855	sub register_extcmd {	1207	sub register_extcmd {
856	my ($name, $cb) = @_;	1208	my ($name, $cb) = @_;
857		1209
858	$EXTCMD{$name} = $cb;	1210	$EXTCMD{$name} = $cb;
		1211	}
		1212
		1213	sub register_exticmd {
		1214	my ($name, $cb) = @_;
		1215
		1216	$EXTICMD{$name} = $cb;
859	}	1217	}
860		1218
861	cf::player->attach (	1219	cf::player->attach (
862	on_command => sub {	1220	on_command => sub {
863	my ($pl, $name, $params) = @_;	1221	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1230	cf::override;
873	},	1231	},
874	on_extcmd => sub {	1232	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1233	my ($pl, $buf) = @_;
876		1234
877	my $msg = eval { from_json $buf };	1235	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1236
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1245	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1246	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1247	}
		1248
		1249	$pl->ext_reply ($reply, @reply)
		1250	if $reply;
		1251
885	} else {	1252	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1253	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1254	}
888		1255
889	cf::override;	1256	cf::override;
890	},	1257	},
891	);	1258	);
892		1259
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1260	sub load_extensions {
		1261	cf::sync_job {
		1262	my %todo;
		1263
928	for my $ext (<$LIBDIR/*.ext>) {	1264	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1265	next unless -r $path;
930	eval {	1266
931	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	$progress = 1;
932	1	1324	}
933	} or warn "$ext not loaded: $@";	1325
		1326	skip:
		1327	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1328	unless $progress;
		1329	}
934	}	1330	};
935	}	1331	}
936		1332
937	#############################################################################	1333	#############################################################################
938		1334
		1335	=back
		1336
939	=head2 CORE EXTENSIONS	1337	=head2 CORE EXTENSIONS
940		1338
941	Functions and methods that extend core crossfire objects.	1339	Functions and methods that extend core crossfire objects.
942		1340
943	=cut	1341	=cut
…		…
948		1346
949	=head3 cf::player	1347	=head3 cf::player
950		1348
951	=over 4	1349	=over 4
952		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
953	=item cf::player::find $login	1365	=item cf::player::find $login
954		1366
955	Returns the given player object, loading it if necessary (might block).	1367	Returns the given player object, loading it if necessary (might block).
956		1368
957	=cut	1369	=cut
958		1370
959	sub playerdir($) {	1371	sub playerdir($) {
960	cf::localdir	1372	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1373	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1374	}
966		1375
967	sub path($) {	1376	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1377	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1404	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1405	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1406	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1407	aio_unlink +(playerdir $login) . "/$login.pl";
999		1408
1000	my $pl = load_pl path $login	1409	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1416	$cf::PLAYER{$login} = $pl
1003	}	1417	}
1004	}	1418	}
1005	}	1419	}
1006		1420
…		…
1016		1430
1017	aio_mkdir playerdir $pl, 0770;	1431	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1432	$pl->{last_save} = $cf::RUNTIME;
1019		1433
1020	$pl->save_pl ($path);	1434	$pl->save_pl ($path);
1021	Coro::cede;	1435	cf::cede_to_tick;
1022	}	1436	}
1023		1437
1024	sub new($) {	1438	sub new($) {
1025	my ($login) = @_;	1439	my ($login) = @_;
1026		1440
…		…
1030	$self->{deny_save} = 1;	1444	$self->{deny_save} = 1;
1031		1445
1032	$cf::PLAYER{$login} = $self;	1446	$cf::PLAYER{$login} = $self;
1033		1447
1034	$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 (@_);
1035	}	1459	}
1036		1460
1037	=item $pl->quit_character	1461	=item $pl->quit_character
1038		1462
1039	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
…		…
1088	while and may block, so not sync_job-capable, ever.	1512	while and may block, so not sync_job-capable, ever.
1089		1513
1090	=cut	1514	=cut
1091		1515
1092	sub list_logins {	1516	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1517	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1518	or return [];
1095		1519
1096	my @logins;	1520	my @logins;
1097		1521
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1527	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1528	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1529	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1530	}
1102		1531
1103	utf8::decode $login;	1532	utf8::decode $login;
1104	push @logins, $login;	1533	push @logins, $login;
1105	}	1534	}
1106		1535
…		…
1133	}	1562	}
1134		1563
1135	\@paths	1564	\@paths
1136	}	1565	}
1137		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
1138	=item $player->ext_reply ($msgid, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1139		1661
1140	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1141		1663
1142	=cut	1664	=cut
1143		1665
1144	sub ext_reply($$%) {	1666	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1146		1668
1147	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1670	}
1151		1671
1152	=item $player->ext_event ($type, %msg)	1672	=item $player->ext_msg ($type, @msg)
1153		1673
1154	Sends an ext event to the client.	1674	Sends an ext event to the client.
1155		1675
1156	=cut	1676	=cut
1157		1677
1158	sub ext_event($$%) {	1678	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1679	my ($self, $type, @msg) = @_;
1160		1680
1161	$self->ns->ext_event ($type, %msg);	1681	$self->ns->ext_msg ($type, @msg);
1162	}	1682	}
1163		1683
1164	=head3 cf::region	1684	=head3 cf::region
1165		1685
1166	=over 4	1686	=over 4
…		…
1169		1689
1170	package cf::region;	1690	package cf::region;
1171		1691
1172	=item cf::region::find_by_path $path	1692	=item cf::region::find_by_path $path
1173		1693
1174	Tries to decuce the probable region for a map knowing only its path.	1694	Tries to decuce the likely region for a map knowing only its path.
1175		1695
1176	=cut	1696	=cut
1177		1697
1178	sub find_by_path($) {	1698	sub find_by_path($) {
1179	my ($path) = @_;	1699	my ($path) = @_;
1180		1700
1181	my ($match, $specificity);	1701	my ($match, $specificity);
1182		1702
1183	for my $region (list) {	1703	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1704	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1705	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1706	if $region->specificity > $specificity;
1187	}	1707	}
1188	}	1708	}
1189		1709
…		…
1253	my ($self, $merge) = @_;	1773	my ($self, $merge) = @_;
1254		1774
1255	# we have to keep some variables in memory intact	1775	# we have to keep some variables in memory intact
1256	local $self->{path};	1776	local $self->{path};
1257	local $self->{load_path};	1777	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1778
1261	$self->SUPER::thawer_merge ($merge);	1779	$self->SUPER::thawer_merge ($merge);
1262	}	1780	}
1263		1781
1264	sub normalise {	1782	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1829	$self->init; # pass $1 etc.
1312	return $self;	1830	return $self;
1313	}	1831	}
1314	}	1832	}
1315		1833
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1834	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1835	()
1318	}	1836	}
1319		1837
1320	sub init {	1838	sub init {
1321	my ($self) = @_;	1839	my ($self) = @_;
…		…
1336		1854
1337	# the original (read-only) location	1855	# the original (read-only) location
1338	sub load_path {	1856	sub load_path {
1339	my ($self) = @_;	1857	my ($self) = @_;
1340		1858
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1859	"$MAPDIR/$self->{path}.map"
1342	}	1860	}
1343		1861
1344	# the temporary/swap location	1862	# the temporary/swap location
1345	sub save_path {	1863	sub save_path {
1346	my ($self) = @_;	1864	my ($self) = @_;
1347		1865
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1867	"$TMPDIR/$path.map"
1350	}	1868	}
1351		1869
1352	# the unique path, undef == no special unique path	1870	# the unique path, undef == no special unique path
1353	sub uniq_path {	1871	sub uniq_path {
1354	my ($self) = @_;	1872	my ($self) = @_;
1355		1873
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1875	"$UNIQUEDIR/$path"
1358	}	1876	}
1359		1877
1360	# and all this just because we cannot iterate over	1878	# and all this just because we cannot iterate over
1361	# all maps in C++...	1879	# all maps in C++...
1362	sub change_all_map_light {	1880	sub change_all_map_light {
…		…
1364		1882
1365	$_->change_map_light ($change)	1883	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1884	for grep $_->outdoor, values %cf::MAP;
1367	}	1885	}
1368		1886
		1887	sub decay_objects {
		1888	my ($self) = @_;
		1889
		1890	return if $self->{deny_reset};
		1891
		1892	$self->do_decay_objects;
		1893	}
		1894
1369	sub unlink_save {	1895	sub unlink_save {
1370	my ($self) = @_;	1896	my ($self) = @_;
1371		1897
1372	utf8::encode (my $save = $self->save_path);	1898	utf8::encode (my $save = $self->save_path);
1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1899	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1376		1902
1377	sub load_header_from($) {	1903	sub load_header_from($) {
1378	my ($self, $path) = @_;	1904	my ($self, $path) = @_;
1379		1905
1380	utf8::encode $path;	1906	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1907	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	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;
1386		1915
1387	$self->{load_path} = $path;	1916	$self->{load_path} = $path;
1388		1917
1389	1	1918	1
1390	}	1919	}
…		…
1429	$self->load_header_orig	1958	$self->load_header_orig
1430	or return;	1959	or return;
1431	$self->prepare_orig;	1960	$self->prepare_orig;
1432	}	1961	}
1433		1962
		1963	$self->{deny_reset} = 1
		1964	if $self->no_reset;
		1965
1434	$self->default_region (cf::region::find_by_path $self->{path})	1966	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1967	unless $self->default_region;
1436		1968
1437	1	1969	1
1438	}	1970	}
…		…
1441	sub find {	1973	sub find {
1442	my ($path, $origin) = @_;	1974	my ($path, $origin) = @_;
1443		1975
1444	$path = normalise $path, $origin && $origin->path;	1976	$path = normalise $path, $origin && $origin->path;
1445		1977
		1978	cf::lock_wait "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	1979	cf::lock_wait "map_find:$path";
1447		1980
1448	$cf::MAP{$path} || do {	1981	$cf::MAP{$path} || do {
1449	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
1450	my $map = new_from_path cf::map $path	1985	my $map = new_from_path cf::map $path
1451	or return;	1986	or return;
1452		1987
1453	$map->{last_save} = $cf::RUNTIME;	1988	$map->{last_save} = $cf::RUNTIME;
1454		1989
1455	$map->load_header	1990	$map->load_header
1456	or return;	1991	or return;
1457		1992
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1993	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1994	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1995	#$cf::WAIT_FOR_TICK->wait;
		1996	undef $guard1;
		1997	undef $guard2;
1461	$map->reset;	1998	$map->reset;
1462	undef $guard;
1463	return find $path;	1999	return find $path;
1464	}	2000	}
1465		2001
1466	$cf::MAP{$path} = $map	2002	$cf::MAP{$path} = $map
1467	}	2003	}
…		…
1474	my ($self) = @_;	2010	my ($self) = @_;
1475		2011
1476	local $self->{deny_reset} = 1; # loading can take a long time	2012	local $self->{deny_reset} = 1; # loading can take a long time
1477		2013
1478	my $path = $self->{path};	2014	my $path = $self->{path};
		2015
		2016	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2017	my $guard = cf::lock_acquire "map_data:$path";
1480		2018
		2019	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2020	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2021
1483	$self->in_memory (cf::MAP_LOADING);	2022	$self->in_memory (cf::MAP_LOADING);
1484		2023
1485	$self->alloc;	2024	$self->alloc;
1486		2025
1487	$self->pre_load;	2026	$self->pre_load;
1488	Coro::cede;	2027	cf::cede_to_tick;
1489		2028
1490	$self->_load_objects ($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)
1491	or return;	2032	or return;
1492		2033
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2034	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1494	if delete $self->{load_original};	2035	if delete $self->{load_original};
1495		2036
1496	if (my $uniq = $self->uniq_path) {	2037	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2038	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2039	unless (aio_stat $uniq) {
		2040	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2041	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2042	$self->_load_objects ($f);
		2043	$f->resolve_delayed_derefs;
		2044	}
1501	}	2045	}
1502	}	2046	}
1503		2047
1504	Coro::cede;	2048	$f->resolve_delayed_derefs;
		2049
		2050	cf::cede_to_tick;
1505	# now do the right thing for maps	2051	# now do the right thing for maps
1506	$self->link_multipart_objects;	2052	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2053	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2054	unless $self->difficulty;
1517	Coro::cede;	2055	cf::cede_to_tick;
		2056
		2057	unless ($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;
1518	$self->activate;	2064	$self->activate;
1519	Coro::cede;	2065	}
		2066
		2067	$self->{last_save} = $cf::RUNTIME;
		2068	$self->last_access ($cf::RUNTIME);
		2069
		2070	$self->in_memory (cf::MAP_IN_MEMORY);
1520	}	2071	}
1521		2072
1522	$self->post_load;	2073	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2074	}
1527		2075
1528	sub customise_for {	2076	sub customise_for {
1529	my ($self, $ob) = @_;	2077	my ($self, $ob) = @_;
1530		2078
1531	return find "~" . $ob->name . "/" . $self->{path}	2079	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2080	if $self->per_player;
1533		2081
		2082	# return find "?party/" . $ob->name . "/" . $self->{path}
		2083	# if $self->per_party;
		2084
1534	$self	2085	$self
1535	}	2086	}
1536		2087
1537	# find and load all maps in the 3x3 area around a map	2088	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2089	sub load_neighbours {
1539	my ($map) = @_;	2090	my ($map) = @_;
1540		2091
1541	my @diag; # diagonal neighbours	2092	my @neigh; # diagonal neighbours
1542		2093
1543	for (0 .. 3) {	2094	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2095	my $neigh = $map->tile_path ($_)
1545	or next;	2096	or next;
1546	$neigh = find $neigh, $map	2097	$neigh = find $neigh, $map
1547	or next;	2098	or next;
1548	$neigh->load;	2099	$neigh->load;
1549		2100
		2101	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2102	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2103	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2104	}
1553		2105
1554	for (@diag) {	2106	for (grep defined $_->[0], @neigh) {
		2107	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2108	my $neigh = find $path, $origin
1556	or next;	2109	or next;
1557	$neigh->load;	2110	$neigh->load;
1558	}	2111	}
1559	}	2112	}
1560		2113
…		…
1565	}	2118	}
1566		2119
1567	sub do_load_sync {	2120	sub do_load_sync {
1568	my ($map) = @_;	2121	my ($map) = @_;
1569		2122
		2123	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2124	if $Coro::current == $Coro::main;
		2125
1570	cf::sync_job { $map->load };	2126	cf::sync_job { $map->load };
1571	}	2127	}
1572		2128
1573	our %MAP_PREFETCH;	2129	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2130	our $MAP_PREFETCHER = undef;
1575		2131
1576	sub find_async {	2132	sub find_async {
1577	my ($path, $origin) = @_;	2133	my ($path, $origin, $load) = @_;
1578		2134
1579	$path = normalise $path, $origin && $origin->{path};	2135	$path = normalise $path, $origin && $origin->{path};
1580		2136
1581	if (my $map = $cf::MAP{$path}) {	2137	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2138	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1583	}	2139	}
1584		2140
1585	undef $MAP_PREFETCH{$path};	2141	$MAP_PREFETCH{$path} |= $load;
		2142
1586	$MAP_PREFETCHER ||= cf::async {	2143	$MAP_PREFETCHER ||= cf::async {
		2144	$Coro::current->{desc} = "map prefetcher";
		2145
1587	while (%MAP_PREFETCH) {	2146	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2147	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2148	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2149	$map->load if $v;
		2150	}
1592		2151
1593	delete $MAP_PREFETCH{$path};	2152	delete $MAP_PREFETCH{$k};
1594	}	2153	}
1595	}	2154	}
1596	undef $MAP_PREFETCHER;	2155	undef $MAP_PREFETCHER;
1597	};	2156	};
1598	$MAP_PREFETCHER->prio (6);	2157	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2160	}
1602		2161
1603	sub save {	2162	sub save {
1604	my ($self) = @_;	2163	my ($self) = @_;
1605		2164
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2166
1608	$self->{last_save} = $cf::RUNTIME;	2167	$self->{last_save} = $cf::RUNTIME;
1609		2168
1610	return unless $self->dirty;	2169	return unless $self->dirty;
1611		2170
…		…
1617	return if $self->{deny_save};	2176	return if $self->{deny_save};
1618		2177
1619	local $self->{last_access} = $self->last_access;#d#	2178	local $self->{last_access} = $self->last_access;#d#
1620		2179
1621	cf::async {	2180	cf::async {
		2181	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2182	$_->contr->save for $self->players;
1623	};	2183	};
1624		2184
1625	if ($uniq) {	2185	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1634	my ($self) = @_;	2194	my ($self) = @_;
1635		2195
1636	# save first because save cedes	2196	# save first because save cedes
1637	$self->save;	2197	$self->save;
1638		2198
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2199	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2200
1641	return if $self->players;	2201	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2202	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};	2203	return if $self->{deny_save};
1644		2204
		2205	$self->in_memory (cf::MAP_SWAPPED);
		2206
		2207	$self->deactivate;
		2208	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2209	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2210	}
1648		2211
1649	sub reset_at {	2212	sub reset_at {
1650	my ($self) = @_;	2213	my ($self) = @_;
1651		2214
1652	# TODO: safety, remove and allow resettable per-player maps	2215	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2216	return 1e99 if $self->{deny_reset};
1655		2217
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2218	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2219	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2220
…		…
1669	my ($self) = @_;	2231	my ($self) = @_;
1670		2232
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2233	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2234
1673	return if $self->players;	2235	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2236
1676	warn "resetting map ", $self->path;#d#	2237	warn "resetting map ", $self->path;
1677		2238
1678	$self->in_memory (cf::MAP_SWAPPED);	2239	$self->in_memory (cf::MAP_SWAPPED);
1679		2240
1680	# need to save uniques path	2241	# need to save uniques path
1681	unless ($self->{deny_save}) {	2242	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2246	if $uniq;
1686	}	2247	}
1687		2248
1688	delete $cf::MAP{$self->path};	2249	delete $cf::MAP{$self->path};
1689		2250
		2251	$self->deactivate;
		2252	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2253	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2254
1694	$self->unlink_save;	2255	$self->unlink_save;
1695	$self->destroy;	2256	$self->destroy;
1696	}	2257	}
1697		2258
1698	my $nuke_counter = "aaaa";	2259	my $nuke_counter = "aaaa";
1699		2260
1700	sub nuke {	2261	sub nuke {
1701	my ($self) = @_;	2262	my ($self) = @_;
1702		2263
		2264	{
		2265	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2266
1703	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
1704		2268
1705	$self->unlink_save;	2269	$self->unlink_save;
1706		2270
1707	bless $self, "cf::map";	2271	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2272	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2273	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2274	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2275	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2276
1713	$cf::MAP{$self->path} = $self;	2277	$cf::MAP{$self->path} = $self;
		2278	}
1714		2279
1715	$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	]
1716	}	2317	}
1717		2318
1718	=item cf::map::unique_maps	2319	=item cf::map::unique_maps
1719		2320
1720	Returns an arrayref of paths of all shared maps that have	2321	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2322	instantiated unique items. May block.
1722		2323
1723	=cut	2324	=cut
1724		2325
1725	sub unique_maps() {	2326	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2327	[
1727	or return;	2328	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2329	utf8::decode $_;
1733	next if /\.pst$/;	2330	/\.map$/
1734	next unless /^$PATH_SEP/o;	2331	? normalise $_
1735		2332	: ()
1736	push @paths, cf::map::normalise $_;	2333	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2334	]
1738
1739	\@paths
1740	}	2335	}
1741		2336
1742	package cf;	2337	package cf;
1743		2338
1744	=back	2339	=back
…		…
1762	map { $_, inv_recursive_ $_->inv } @_	2357	map { $_, inv_recursive_ $_->inv } @_
1763	}	2358	}
1764		2359
1765	sub inv_recursive {	2360	sub inv_recursive {
1766	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	}
1767	}	2390	}
1768		2391
1769	package cf;	2392	package cf;
1770		2393
1771	=back	2394	=back
…		…
1790		2413
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2414	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2415
1793	if ($self->{record_replies}) {	2416	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2417	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2418
1795	} 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 {
1796	$msg = $npc->name . " says: $msg" if $npc;	2427	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2428	$self->message ($msg, $flags);
		2429	}
1798	}	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 (@_);
1799	}	2441	}
1800		2442
1801	=item $player_object->may ("access")	2443	=item $player_object->may ("access")
1802		2444
1803	Returns wether the given player is authorized to access resource "access"	2445	Returns wether the given player is authorized to access resource "access"
…		…
1850	$self->deactivate_recursive;	2492	$self->deactivate_recursive;
1851		2493
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2494	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2495
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2496	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2497	if $self->map && $self->map->{path} ne "{link}";
1856		2498
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2499	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2500	}
1859		2501
1860	sub cf::object::player::leave_link {	2502	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2503	my ($self, $map, $x, $y) = @_;
		2504
		2505	return unless $self->contr->active;
1862		2506
1863	my $link_pos = delete $self->{_link_pos};	2507	my $link_pos = delete $self->{_link_pos};
1864		2508
1865	unless ($map) {	2509	unless ($map) {
1866	# restore original map position	2510	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2524	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2525	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2526	if $x <=0 && $y <= 0;
1883		2527
1884	$map->load;	2528	$map->load;
1885	$map->load_diag;	2529	$map->load_neighbours;
1886		2530
1887	return unless $self->contr->active;	2531	return unless $self->contr->active;
1888	$self->activate_recursive;	2532	$self->activate_recursive;
1889		2533
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2534	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2535	$self->enter_map ($map, $x, $y);
1892	}	2536	}
1893		2537
1894	cf::player->attach (	2538	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2539
1898	# abort map switching before logout	2540	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2541	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2542	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2543	the new (success) or old (failed) map position. In either case, $done will
1902	};	2544	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2545
1908	# try to abort aborted map switching on player login :)
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925
1926	=item $player_object->goto ($path, $x, $y)
1927
1928	=cut	2546	=cut
		2547
		2548	our $GOTOGEN;
1929		2549
1930	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
1931	my ($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;
1932		2555
1933	$self->enter_link;	2556	$self->enter_link;
1934		2557
1935	(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
1936	my $map = eval {	2580	my $map = eval {
1937	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
		2582
		2583	if ($map) {
1938	$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
1939	$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 $@;
1940	} or	2596	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2597
		2598	if ($gen == $self->{_goto_generation}) {
		2599	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2600	$self->leave_link ($map, $x, $y);
		2601	}
		2602
		2603	$done->() if $done;
1944	})->prio (1);	2604	})->prio (1);
1945	}	2605	}
1946		2606
1947	=item $player_object->enter_exit ($exit_object)	2607	=item $player_object->enter_exit ($exit_object)
1948		2608
…		…
1985	$rmp->{origin_y} = $exit->y;	2645	$rmp->{origin_y} = $exit->y;
1986	}	2646	}
1987		2647
1988	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
1989		2649
1990	my $data = cf::to_json $rmp;	2650	my $data = cf::encode_json $rmp;
1991	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
1993		2653
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2656	undef $fh;
1997	aio_rename "$meta~", $meta;	2657	aio_rename "$meta~", $meta;
…		…
2017	my $hp = $exit->stats->hp;	2677	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;	2678	my $sp = $exit->stats->sp;
2019		2679
2020	$self->enter_link;	2680	$self->enter_link;
2021		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
2022	(async {	2686	(async {
		2687	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2688
2023	$self->deactivate_recursive; # just to be sure	2689	$self->deactivate_recursive; # just to be sure
2024	unless (eval {	2690	unless (eval {
2025	$self->goto ($slaying, $hp, $sp);	2691	$self->goto ($slaying, $hp, $sp);
2026		2692
2027	1;	2693	1;
…		…
2053		2719
2054	utf8::encode $text;	2720	utf8::encode $text;
2055	$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);
2056	}	2722	}
2057		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
2058	=item $client->ext_event ($type, %msg)	2848	=item $client->ext_msg ($type, @msg)
2059		2849
2060	Sends an exti event to the client.	2850	Sends an ext event to the client.
2061		2851
2062	=cut	2852	=cut
2063		2853
2064	sub cf::client::ext_event($$%) {	2854	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2855	my ($self, $type, @msg) = @_;
2066		2856
		2857	if ($self->extcmd == 2) {
		2858	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2859	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2860	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	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	}
2069	}	2881	}
2070		2882
2071	=item $success = $client->query ($flags, "text", \&cb)	2883	=item $success = $client->query ($flags, "text", \&cb)
2072		2884
2073	Queues a query to the client, calling the given callback with	2885	Queues a query to the client, calling the given callback with
2074	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>,
2075	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>.
2076		2888
2077	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
2078	reliable at some point in the future.	2890	become reliable at some point in the future.
2079		2891
2080	=cut	2892	=cut
2081		2893
2082	sub cf::client::query {	2894	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2895	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2903	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2904	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2905
2094	$self->send_packet ($self->{query_queue}[0][0])	2906	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2907	if @{ $self->{query_queue} } == 1;
		2908
		2909	1
2096	}	2910	}
2097		2911
2098	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	},
2099	on_reply => sub {	2918	on_reply => sub {
2100	my ($ns, $msg) = @_;	2919	my ($ns, $msg) = @_;
2101		2920
2102	# this weird shuffling is so that direct followup queries	2921	# this weird shuffling is so that direct followup queries
2103	# get handled first	2922	# get handled first
…		…
2115	} else {	2934	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2936	}
2118	}	2937	}
2119	},	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	},
2120	);	2965	);
2121		2966
2122	=item $client->async (\&cb)	2967	=item $client->async (\&cb)
2123		2968
2124	Create a new coroutine, running the specified callback. The coroutine will	2969	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	3010	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3011	our $safe_hole = new Safe::Hole;
2167		3012
2168	$SIG{FPE} = 'IGNORE';	3013	$SIG{FPE} = 'IGNORE';
2169		3014
2170	$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	));
2171		3020
2172	# here we export the classes and methods available to script code	3021	# here we export the classes and methods available to script code
2173		3022
2174	=pod	3023	=pod
2175		3024
2176	The following functions and methods are available within a safe environment:	3025	The following functions and methods are available within a safe environment:
2177		3026
2178	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
2179	cf::object::player player	3031	cf::object::player
2180	cf::player peaceful	3032	player
2181	cf::map trigger	3033
		3034	cf::player
		3035	peaceful
		3036
		3037	cf::map
		3038	trigger
2182		3039
2183	=cut	3040	=cut
2184		3041
2185	for (	3042	for (
2186	["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)],
2187	["cf::object::player" => qw(player)],	3046	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3047	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	3048	["cf::map" => qw(trigger)],
2190	) {	3049	) {
2191	no strict 'refs';	3050	no strict 'refs';
…		…
2262	=back	3121	=back
2263		3122
2264	=cut	3123	=cut
2265		3124
2266	#############################################################################	3125	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434
2435	#############################################################################
2436	# the server's init and main functions	3126	# the server's init and main functions
2437		3127
2438	sub load_facedata($) {	3128	sub load_facedata($) {
2439	my ($path) = @_;	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;
2440		3136
2441	warn "loading facedata from $path\n";	3137	warn "loading facedata from $path\n";
2442		3138
2443	my $facedata;	3139	my $facedata;
2444	0 < aio_load $path, $facedata	3140	0 < aio_load $path, $facedata
…		…
2447	$facedata = Coro::Storable::thaw $facedata;	3143	$facedata = Coro::Storable::thaw $facedata;
2448		3144
2449	$facedata->{version} == 2	3145	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3146	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		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
2452	{	3155	{
2453	my $faces = $facedata->{faceinfo};	3156	my $faces = $facedata->{faceinfo};
2454		3157
2455	while (my ($face, $info) = each %$faces) {	3158	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3159	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3160
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3161	cf::face::set_visibility $idx, $info->{visibility};
		3162	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3163	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3164	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2460	Coro::cede;	3165
		3166	cf::cede_to_tick;
2461	}	3167	}
2462		3168
2463	while (my ($face, $info) = each %$faces) {	3169	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3170	next unless $info->{smooth};
		3171
2465	my $idx = cf::face::find $face	3172	my $idx = cf::face::find $face
2466	or next;	3173	or next;
		3174
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3175	if (my $smooth = cf::face::find $info->{smooth}) {
		3176	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3177	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3178	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3179	warn "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3180	}
2472	Coro::cede;	3181
		3182	cf::cede_to_tick;
2473	}	3183	}
2474	}	3184	}
2475		3185
2476	{	3186	{
2477	my $anims = $facedata->{animinfo};	3187	my $anims = $facedata->{animinfo};
2478		3188
2479	while (my ($anim, $info) = each %$anims) {	3189	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3190	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3191	cf::cede_to_tick;
2482	}	3192	}
2483		3193
2484	cf::anim::invalidate_all; # d'oh	3194	cf::anim::invalidate_all; # d'oh
2485	}	3195	}
2486		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);
		3231
2487	1	3232	1
2488	}	3233	}
2489		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 $_->{match};
		3274	}
		3275	}
		3276
2490	sub reload_facedata {	3277	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3278	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3279	or die "unable to load facedata\n";
2493	}	3280	}
2494		3281
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3282	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3283	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3284	or die "unable to load archetypes\n";
		3285	#d# NEED to laod twice to resolve forward references
		3286	# this really needs to be done in an extra post-pass
		3287	# (which needs to be synchronous, so solve it differently)
		3288	load_resource_file "$DATADIR/archetypes"
		3289	or die "unable to load archetypes\n";
2503	}	3290	}
2504		3291
2505	sub reload_treasures {	3292	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3293	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3294	or die "unable to load treasurelists\n";
2508	}	3295	}
2509		3296
2510	sub reload_resources {	3297	sub reload_resources {
2511	warn "reloading resource files...\n";	3298	warn "reloading resource files...\n";
2512		3299
2513	reload_regions;	3300	reload_regions;
2514	reload_facedata;	3301	reload_facedata;
		3302	#reload_archetypes;#d#
2515	reload_archetypes;	3303	reload_archetypes;
2516	reload_treasures;	3304	reload_treasures;
2517		3305
2518	warn "finished reloading resource files\n";	3306	warn "finished reloading resource files\n";
2519	}	3307	}
2520		3308
2521	sub init {	3309	sub init {
2522	reload_resources;	3310	reload_resources;
2523	}	3311	}
2524		3312
2525	sub cfg_load {	3313	sub reload_config {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3314	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	3315	or return;
2528		3316
2529	local $/;	3317	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	3318	*CFG = YAML::Syck::Load <$fh>;
2531		3319
…		…
2546	sub main {	3334	sub main {
2547	# we must not ever block the main coroutine	3335	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3336	local $Coro::idle = sub {
2549	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#
2550	(async {	3338	(async {
2551	Event::one_event;	3339	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3340	EV::loop EV::LOOP_ONESHOT;
2552	})->prio (Coro::PRIO_MAX);	3341	})->prio (Coro::PRIO_MAX);
2553	};	3342	};
2554		3343
2555	cfg_load;	3344	reload_config;
2556	db_init;	3345	db_init;
2557	load_extensions;	3346	load_extensions;
2558		3347
2559	$TICK_WATCHER->start;	3348	$TICK_WATCHER->start;
		3349	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2560	Event::loop;	3350	EV::loop;
2561	}	3351	}
2562		3352
2563	#############################################################################	3353	#############################################################################
2564	# initialisation and cleanup	3354	# initialisation and cleanup
2565		3355
2566	# install some emergency cleanup handlers	3356	# install some emergency cleanup handlers
2567	BEGIN {	3357	BEGIN {
		3358	our %SIGWATCHER = ();
2568	for my $signal (qw(INT HUP TERM)) {	3359	for my $signal (qw(INT HUP TERM)) {
2569	Event->signal (	3360	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2570	reentrant => 0,
2571	data => WF_AUTOCANCEL,
2572	signal => $signal,
2573	prio => 0,
2574	cb => sub {
2575	cf::cleanup "SIG$signal";	3361	cf::cleanup "SIG$signal";
2576	},
2577	);	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
2578	}	3401	1
2579	}	3402	}
2580		3403
2581	sub emergency_save() {	3404	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3405	my $freeze_guard = cf::freeze_mainloop;
2583		3406
…		…
2589	# and maps saved/destroyed asynchronously.	3412	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	3413	warn "begin emergency player save\n";
2591	for my $login (keys %cf::PLAYER) {	3414	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	3415	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	3416	$pl->valid or next;
		3417	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594	$pl->save;	3418	$pl->save;
2595	}	3419	}
2596	warn "end emergency player save\n";	3420	warn "end emergency player save\n";
2597		3421
2598	warn "begin emergency map save\n";	3422	warn "begin emergency map save\n";
…		…
2637	warn "syncing database to disk";	3461	warn "syncing database to disk";
2638	BDB::db_env_txn_checkpoint $DB_ENV;	3462	BDB::db_env_txn_checkpoint $DB_ENV;
2639		3463
2640	# 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
2641		3465
2642	warn "cancelling all WF_AUTOCANCEL watchers";
2643	for (Event::all_watchers) {
2644	$_->cancel if $_->data & WF_AUTOCANCEL;
2645	}
2646
2647	warn "flushing outstanding aio requests";	3466	warn "flushing outstanding aio requests";
2648	for (;;) {	3467	for (;;) {
2649	BDB::flush;	3468	BDB::flush;
2650	IO::AIO::flush;	3469	IO::AIO::flush;
2651	Coro::cede;	3470	Coro::cede_notself;
2652	last unless IO::AIO::nreqs || BDB::nreqs;	3471	last unless IO::AIO::nreqs || BDB::nreqs;
2653	warn "iterate...";	3472	warn "iterate...";
2654	}	3473	}
2655		3474
2656	++$RELOAD;	3475	++$RELOAD;
…		…
2660	%EXT_CORO = ();	3479	%EXT_CORO = ();
2661		3480
2662	warn "removing commands";	3481	warn "removing commands";
2663	%COMMAND = ();	3482	%COMMAND = ();
2664		3483
2665	warn "removing ext commands";	3484	warn "removing ext/exti commands";
2666	%EXTCMD = ();	3485	%EXTCMD = ();
		3486	%EXTICMD = ();
2667		3487
2668	warn "unloading/nuking all extensions";	3488	warn "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	3489	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	3490	warn "... unloading $pkg";
2671		3491
…		…
2714	warn "reloading cf.pm";	3534	warn "reloading cf.pm";
2715	require cf;	3535	require cf;
2716	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3536	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2717		3537
2718	warn "loading config and database again";	3538	warn "loading config and database again";
2719	cf::cfg_load;	3539	cf::reload_config;
2720		3540
2721	warn "loading extensions";	3541	warn "loading extensions";
2722	cf::load_extensions;	3542	cf::load_extensions;
2723		3543
2724	warn "reattaching attachments to objects/players";	3544	warn "reattaching attachments to objects/players";
…		…
2744		3564
2745	sub reload_perl() {	3565	sub reload_perl() {
2746	# doing reload synchronously and two reloads happen back-to-back,	3566	# doing reload synchronously and two reloads happen back-to-back,
2747	# coro crashes during coro_state_free->destroy here.	3567	# coro crashes during coro_state_free->destroy here.
2748		3568
2749	$RELOAD_WATCHER ||= Event->timer (	3569	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2750	reentrant => 0,
2751	after => 0,
2752	data => WF_AUTOCANCEL,
2753	cb => sub {
2754	do_reload_perl;
2755	undef $RELOAD_WATCHER;	3570	undef $RELOAD_WATCHER;
2756	},	3571	do_reload_perl;
2757	);	3572	};
2758	}	3573	}
2759		3574
2760	register_command "reload" => sub {	3575	register_command "reload" => sub {
2761	my ($who, $arg) = @_;	3576	my ($who, $arg) = @_;
2762		3577
2763	if ($who->flag (FLAG_WIZ)) {	3578	if ($who->flag (FLAG_WIZ)) {
2764	$who->message ("reloading server.");	3579	$who->message ("reloading server.");
		3580	async {
		3581	$Coro::current->{desc} = "perl_reload";
2765	async { reload_perl };	3582	reload_perl;
		3583	};
2766	}	3584	}
2767	};	3585	};
2768		3586
2769	unshift @INC, $LIBDIR;	3587	unshift @INC, $LIBDIR;
2770		3588
…		…
2789	my $signal = new Coro::Signal;	3607	my $signal = new Coro::Signal;
2790	push @WAIT_FOR_TICK_BEGIN, $signal;	3608	push @WAIT_FOR_TICK_BEGIN, $signal;
2791	$signal->wait;	3609	$signal->wait;
2792	}	3610	}
2793		3611
2794	$TICK_WATCHER = Event->timer (	3612	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2795	reentrant => 0,
2796	parked => 1,
2797	prio => 0,
2798	at => $NEXT_TICK || $TICK,
2799	data => WF_AUTOCANCEL,
2800	cb => sub {
2801	if ($Coro::current != $Coro::main) {	3613	if ($Coro::current != $Coro::main) {
2802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3614	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2803	unless ++$bug_warning > 10;	3615	unless ++$bug_warning > 10;
2804	return;	3616	return;
2805	}	3617	}
2806		3618
2807	$NOW = Event::time;	3619	$NOW = $tick_start = EV::now;
2808		3620
2809	cf::server_tick; # one server iteration	3621	cf::server_tick; # one server iteration
2810		3622
2811	$RUNTIME += $TICK;	3623	$RUNTIME += $TICK;
2812	$NEXT_TICK += $TICK;	3624	$NEXT_TICK = $_[0]->at;
2813		3625
2814	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3626	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2815	$NEXT_RUNTIME_WRITE = $NOW + 10;	3627	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2816	Coro::async_pool {	3628	Coro::async_pool {
		3629	$Coro::current->{desc} = "runtime saver";
2817	write_runtime	3630	write_runtime
2818	or warn "ERROR: unable to write runtime file: $!";	3631	or warn "ERROR: unable to write runtime file: $!";
2819	};
2820	}	3632	};
		3633	}
2821		3634
2822	# my $AFTER = Event::time;
2823	# warn $AFTER - $NOW;#d#
2824
2825	# if we are delayed by four ticks or more, skip them all
2826	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2827
2828	$TICK_WATCHER->at ($NEXT_TICK);
2829	$TICK_WATCHER->start;
2830
2831	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3635	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2832	$sig->send;	3636	$sig->send;
2833	}	3637	}
2834	while (my $sig = shift @WAIT_FOR_TICK) {	3638	while (my $sig = shift @WAIT_FOR_TICK) {
2835	$sig->send;	3639	$sig->send;
2836	}	3640	}
2837		3641
		3642	$LOAD = ($NOW - $tick_start) / $TICK;
		3643	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3644
2838	_post_tick;	3645	_post_tick;
2839	},	3646	};
2840	);	3647	$TICK_WATCHER->priority (EV::MAXPRI);
2841		3648
2842	{	3649	{
2843	BDB::max_poll_time $TICK * 0.1;	3650	# configure BDB
2844	$BDB_POLL_WATCHER = Event->io (	3651
2845	reentrant => 0,
2846	fd => BDB::poll_fileno,
2847	poll => 'r',
2848	prio => 0,
2849	data => WF_AUTOCANCEL,
2850	cb => \&BDB::poll_cb,
2851	);
2852	BDB::min_parallel 8;	3652	BDB::min_parallel 8;
2853		3653	BDB::max_poll_reqs $TICK * 0.1;
2854	BDB::set_sync_prepare {	3654	$Coro::BDB::WATCHER->priority (1);
2855	my $status;
2856	my $current = $Coro::current;
2857	(
2858	sub {
2859	$status = $!;
2860	$current->ready; undef $current;
2861	},
2862	sub {
2863	Coro::schedule while defined $current;
2864	$! = $status;
2865	},
2866	)
2867	};
2868		3655
2869	unless ($DB_ENV) {	3656	unless ($DB_ENV) {
2870	$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);
2871		3662
2872	cf::sync_job {	3663	cf::sync_job {
2873	eval {	3664	eval {
2874	BDB::db_env_open	3665	BDB::db_env_open
2875	$DB_ENV,	3666	$DB_ENV,
2876	$BDB_ENV_DIR,	3667	$BDBDIR,
2877	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3668	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2878	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3669	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2879	0666;	3670	0666;
2880		3671
2881	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3672	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2882
2883	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2884	$DB_ENV->set_lk_detect;
2885	};	3673	};
2886		3674
2887	cf::cleanup "db_env_open(db): $@" if $@;	3675	cf::cleanup "db_env_open(db): $@" if $@;
2888	};	3676	};
2889	}	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	};
2890	}	3688	}
2891		3689
2892	{	3690	{
		3691	# configure IO::AIO
		3692
2893	IO::AIO::min_parallel 8;	3693	IO::AIO::min_parallel 8;
2894
2895	undef $Coro::AIO::WATCHER;
2896	IO::AIO::max_poll_time $TICK * 0.1;	3694	IO::AIO::max_poll_time $TICK * 0.1;
2897	$AIO_POLL_WATCHER = Event->io (	3695	$Coro::AIO::WATCHER->priority (1);
2898	reentrant => 0,	3696	}
2899	data => WF_AUTOCANCEL,	3697
2900	fd => IO::AIO::poll_fileno,	3698	my $_log_backtrace;
2901	poll => 'r',	3699
2902	prio => 6,	3700	sub _log_backtrace {
2903	cb => \&IO::AIO::poll_cb,	3701	my ($msg, @addr) = @_;
2904	);	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	}
2905	}	3736	}
2906		3737
2907	# load additional modules	3738	# load additional modules
2908	use cf::pod;	3739	use cf::pod;
2909		3740

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