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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.244 by root, Mon Apr 16 13:28:00 2007 UTC vs.
Revision 1.408 by root, Mon Jan 14 10:12:12 2008 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
9	use Event;	9	use EV 1.86;
10	use Opcode;	10	use Opcode;
11	use Safe;	11	use Safe;
12	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
13		14
14	use Coro 3.61 ();	15	use Coro 4.32 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::EV;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
21	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
22		26
		27	use JSON::XS 2.01 ();
23	use BDB ();	28	use BDB ();
24	use Data::Dumper;	29	use Data::Dumper;
25	use Digest::MD5;	30	use Digest::MD5;
26	use Fcntl;	31	use Fcntl;
27	use YAML::Syck ();	32	use YAML ();
28	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
29	use Time::HiRes;	34	use Time::HiRes;
30	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
31		37
32	# configure various modules to our taste	38	# configure various modules to our taste
33	#	39	#
34	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		43
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	44	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		45
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	46	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		47
47	our %COMMAND = ();	48	our %COMMAND = ();
48	our %COMMAND_TIME = ();	49	our %COMMAND_TIME = ();
49		50
50	our @EXTS = (); # list of extension package names	51	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	52	our %EXTCMD = ();
		53	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	54	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	55	our %EXT_MAP = (); # pluggable maps
54		56
55	our $RELOAD; # number of reloads so far	57	our $RELOAD; # number of reloads so far
56	our @EVENT;	58	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		59
59	our $TICK = MAX_TIME * 1e-6;	60	our $CONFDIR = confdir;
		61	our $DATADIR = datadir;
		62	our $LIBDIR = "$DATADIR/ext";
		63	our $PODDIR = "$DATADIR/pod";
		64	our $MAPDIR = "$DATADIR/" . mapdir;
		65	our $LOCALDIR = localdir;
		66	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		67	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		68	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		69	our $RANDOMDIR = "$LOCALDIR/random";
		70	our $BDBDIR = "$LOCALDIR/db";
		71	our %RESOURCE;
		72
		73	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;	74	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	75	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	76	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	77	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	78	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		79
67	our $BDB_POLL_WATCHER;	80	our $BDB_POLL_WATCHER;
		81	our $BDB_DEADLOCK_WATCHER;
		82	our $BDB_CHECKPOINT_WATCHER;
		83	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	84	our $DB_ENV;
69		85
70	our %CFG;	86	our %CFG;
71		87
72	our $UPTIME; $UPTIME ||= time;	88	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	89	our $RUNTIME;
		90	our $NOW;
74		91
75	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		95
81	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
84	binmode STDOUT;	103	binmode STDOUT;
85	binmode STDERR;	104	binmode STDERR;
86		105
87	# read virtual server time, if available	106	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
92	}	111	}
93		112
94	mkdir cf::localdir;	113	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		115
101	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
102		117
103	sub cf::map::normalise;	118	sub cf::map::normalise;
104		119
…		…
115	=item $cf::RUNTIME	130	=item $cf::RUNTIME
116		131
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	133	every server tick.
119		134
120	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		138
122	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
124		143
125	=item $cf::NOW	144	=item $cf::NOW
126		145
127	The time of the last (current) server tick.	146	The time of the last (current) server tick.
128		147
129	=item $cf::TICK	148	=item $cf::TICK
130		149
131	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
132		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
		161
133	=item %cf::CFG	162	=item %cf::CFG
134		163
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	165	from wherever your confdir points to.
137		166
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		168
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	170	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
		178
144	=back	179	=back
145		180
146	=cut	181	=cut
147		182
148	BEGIN {	183	BEGIN {
149	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	185	my $msg = join "", @_;
151	utf8::encode $msg;
152		186
153	$msg .= "\n"	187	$msg .= "\n"
154	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
155		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
156	LOG llevError, $msg;	192	LOG llevError, $msg;
157	};	193	};
158	}	194	}
		195
		196	$Coro::State::DIEHOOK = sub {
		197	warn Carp::longmess $_[0];
		198	Coro::terminate;
		199	};
159		200
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	201	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	202	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	203	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	204	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	205	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		206	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	207	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		208
167	# we bless all objects into (empty) derived classes to force a method lookup	209	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	210	# within the Safe compartment.
169	for my $pkg (qw(	211	for my $pkg (qw(
170	cf::global cf::attachable	212	cf::global cf::attachable
…		…
175	)) {	217	)) {
176	no strict 'refs';	218	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	219	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	220	}
179		221
180	$Event::DIED = sub {	222	$EV::DIED = sub {
181	warn "error in event callback: @_";	223	warn "error in event callback: @_";
182	};	224	};
		225
		226	#############################################################################
183		227
184	=head2 UTILITY FUNCTIONS	228	=head2 UTILITY FUNCTIONS
185		229
186	=over 4	230	=over 4
187		231
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	250	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	251	$d
208	} || "[unable to dump $_[0]: '$@']";	252	} || "[unable to dump $_[0]: '$@']";
209	}	253	}
210		254
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	255	=item $ref = cf::decode_json $json
214		256
215	Converts a JSON string into the corresponding perl data structure.	257	Converts a JSON string into the corresponding perl data structure.
216		258
217	=item $json = cf::to_json $ref	259	=item $json = cf::encode_json $ref
218		260
219	Converts a perl data structure into its JSON representation.	261	Converts a perl data structure into its JSON representation.
		262
		263	=cut
		264
		265	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		266
		267	sub encode_json($) { $json_coder->encode ($_[0]) }
		268	sub decode_json($) { $json_coder->decode ($_[0]) }
220		269
221	=item cf::lock_wait $string	270	=item cf::lock_wait $string
222		271
223	Wait until the given lock is available. See cf::lock_acquire.	272	Wait until the given lock is available. See cf::lock_acquire.
224		273
…		…
227	Wait until the given lock is available and then acquires it and returns	276	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	277	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	278	for example when the coroutine gets canceled), the lock is automatically
230	returned.	279	returned.
231		280
		281	Locks are *not* recursive, locking from the same coro twice results in a
		282	deadlocked coro.
		283
232	Lock names should begin with a unique identifier (for example, cf::map::find	284	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	285	uses map_find and cf::map::load uses map_load).
234		286
		287	=item $locked = cf::lock_active $string
		288
		289	Return true if the lock is currently active, i.e. somebody has locked it.
		290
235	=cut	291	=cut
236		292
237	our %LOCK;	293	our %LOCK;
		294	our %LOCKER;#d#
238		295
239	sub lock_wait($) {	296	sub lock_wait($) {
240	my ($key) = @_;	297	my ($key) = @_;
		298
		299	if ($LOCKER{$key} == $Coro::current) {#d#
		300	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		301	return;#d#
		302	}#d#
241		303
242	# wait for lock, if any	304	# wait for lock, if any
243	while ($LOCK{$key}) {	305	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	306	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	307	Coro::schedule;
…		…
251		313
252	# wait, to be sure we are not locked	314	# wait, to be sure we are not locked
253	lock_wait $key;	315	lock_wait $key;
254		316
255	$LOCK{$key} = [];	317	$LOCK{$key} = [];
		318	$LOCKER{$key} = $Coro::current;#d#
256		319
257	Coro::guard {	320	Coro::guard {
		321	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	322	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	323	$_->ready for @{ delete $LOCK{$key} };
260	}	324	}
		325	}
		326
		327	sub lock_active($) {
		328	my ($key) = @_;
		329
		330	! ! $LOCK{$key}
261	}	331	}
262		332
263	sub freeze_mainloop {	333	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	334	return unless $TICK_WATCHER->is_active;
265		335
…		…
268	};	338	};
269	$TICK_WATCHER->stop;	339	$TICK_WATCHER->stop;
270	$guard	340	$guard
271	}	341	}
272		342
		343	=item cf::periodic $interval, $cb
		344
		345	Like EV::periodic, but randomly selects a starting point so that the actions
		346	get spread over timer.
		347
		348	=cut
		349
		350	sub periodic($$) {
		351	my ($interval, $cb) = @_;
		352
		353	my $start = rand List::Util::min 180, $interval;
		354
		355	EV::periodic $start, $interval, 0, $cb
		356	}
		357
		358	=item cf::get_slot $time[, $priority[, $name]]
		359
		360	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		361	This call blocks and returns only when you have at least C<$time> seconds
		362	of cpu time till the next tick. The slot is only valid till the next cede.
		363
		364	The optional C<$name> can be used to identify the job to run. It might be
		365	used for statistical purposes and should identify the same time-class.
		366
		367	Useful for short background jobs.
		368
		369	=cut
		370
		371	our @SLOT_QUEUE;
		372	our $SLOT_QUEUE;
		373
		374	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		375	$SLOT_QUEUE = Coro::async {
		376	$Coro::current->desc ("timeslot manager");
		377
		378	my $signal = new Coro::Signal;
		379
		380	while () {
		381	next_job:
		382	my $avail = cf::till_tick;
		383	if ($avail > 0.01) {
		384	for (0 .. $#SLOT_QUEUE) {
		385	if ($SLOT_QUEUE[$_][0] < $avail) {
		386	my $job = splice @SLOT_QUEUE, $_, 1, ();
		387	$job->[2]->send;
		388	Coro::cede;
		389	goto next_job;
		390	}
		391	}
		392	}
		393
		394	if (@SLOT_QUEUE) {
		395	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		396	push @cf::WAIT_FOR_TICK, $signal;
		397	$signal->wait;
		398	} else {
		399	Coro::schedule;
		400	}
		401	}
		402	};
		403
		404	sub get_slot($;$$) {
		405	my ($time, $pri, $name) = @_;
		406
		407	$time = $TICK * .6 if $time > $TICK * .6;
		408	my $sig = new Coro::Signal;
		409
		410	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		411	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		412	$SLOT_QUEUE->ready;
		413	$sig->wait;
		414	}
		415
273	=item cf::async { BLOCK }	416	=item cf::async { BLOCK }
274		417
275	Currently the same as Coro::async_pool, meaning you cannot use	418	Currently the same as Coro::async_pool, meaning you cannot use
276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	419	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
277	thing you are allowed to do is call C<prio> on it.	420	thing you are allowed to do is call C<prio> on it.
…		…
280		423
281	BEGIN { *async = \&Coro::async_pool }	424	BEGIN { *async = \&Coro::async_pool }
282		425
283	=item cf::sync_job { BLOCK }	426	=item cf::sync_job { BLOCK }
284		427
285	The design of crossfire+ requires that the main coro ($Coro::main) is	428	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	429	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	430	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		431	acceptable.
288		432
289	If it must be done, put the blocking parts into C<sync_job>. This will run	433	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	434	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	435	server will be frozen during this time, so the block should either finish
292	fast or be very important.	436	fast or be very important.
…		…
295		439
296	sub sync_job(&) {	440	sub sync_job(&) {
297	my ($job) = @_;	441	my ($job) = @_;
298		442
299	if ($Coro::current == $Coro::main) {	443	if ($Coro::current == $Coro::main) {
		444	my $time = EV::time;
		445
300	# this is the main coro, too bad, we have to block	446	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	447	# till the operation succeeds, freezing the server :/
302		448
		449	LOG llevError, Carp::longmess "sync job";#d#
		450
303	# TODO: use suspend/resume instead	451	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	452	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	453	my $freeze_guard = freeze_mainloop;
306		454
307	my $busy = 1;	455	my $busy = 1;
308	my @res;	456	my @res;
309		457
310	(async {	458	(async {
		459	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	460	@res = eval { $job->() };
312	warn $@ if $@;	461	warn $@ if $@;
313	undef $busy;	462	undef $busy;
314	})->prio (Coro::PRIO_MAX);	463	})->prio (Coro::PRIO_MAX);
315		464
316	while ($busy) {	465	while ($busy) {
317	Coro::cede or Event::one_event;	466	if (Coro::nready) {
		467	Coro::cede_notself;
		468	} else {
		469	EV::loop EV::LOOP_ONESHOT;
318	}	470	}
		471	}
		472
		473	$time = EV::time - $time;
		474
		475	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		476	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		477
		478	$tick_start += $time; # do not account sync jobs to server load
319		479
320	wantarray ? @res : $res[0]	480	wantarray ? @res : $res[0]
321	} else {	481	} else {
322	# we are in another coroutine, how wonderful, everything just works	482	# we are in another coroutine, how wonderful, everything just works
323		483
…		…
343	$EXT_CORO{$coro+0} = $coro;	503	$EXT_CORO{$coro+0} = $coro;
344		504
345	$coro	505	$coro
346	}	506	}
347		507
348	sub write_runtime {	508	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		509
351	my $runtime = cf::localdir . "/runtime";	510	Executes the given code block with the given arguments in a seperate
		511	process, returning the results. Everything must be serialisable with
		512	Coro::Storable. May, of course, block. Note that the executed sub may
		513	never block itself or use any form of event handling.
352		514
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	515	=cut
354	or return;
355		516
356	my $value = $cf::RUNTIME + 90 + 10;	517	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	518	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		519
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	520	# we seemingly have to make a local copy of the whole thing,
361	and return;	521	# otherwise perl prematurely frees the stuff :/
		522	# TODO: investigate and fix (likely this will be rather laborious)
362		523
363	# always fsync - this file is important	524	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	525	reset_signals;
365	and return;	526	&$cb
		527	}, @args;
366		528
367	close $fh	529	wantarray ? @res : $res[-1]
368	or return;	530	}
369		531
370	aio_rename "$runtime~", $runtime	532	=item $value = cf::db_get $family => $key
371	and return;
372		533
		534	Returns a single value from the environment database.
		535
		536	=item cf::db_put $family => $key => $value
		537
		538	Stores the given C<$value> in the family. It can currently store binary
		539	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		540
		541	=item $db = cf::db_table "name"
		542
		543	Create and/or open a new database table. The string must not be "db" and must be unique
		544	within each server.
		545
		546	=cut
		547
		548	sub db_table($) {
		549	my ($name) = @_;
		550	my $db = BDB::db_create $DB_ENV;
		551
		552	eval {
		553	$db->set_flags (BDB::CHKSUM);
		554
		555	utf8::encode $name;
		556	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		557	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		558	cf::cleanup "db_open(db): $!" if $!;
		559	};
		560	cf::cleanup "db_open(db): $@" if $@;
		561
		562	$db
		563	}
		564
		565	our $DB;
		566
		567	sub db_init {
		568	cf::sync_job {
		569	$DB ||= db_table "db";
		570	};
		571	}
		572
		573	sub db_get($$) {
		574	my $key = "$_[0]/$_[1]";
		575
		576	cf::sync_job {
		577	BDB::db_get $DB, undef, $key, my $data;
		578
		579	$! ? ()
		580	: $data
373	1	581	}
		582	}
		583
		584	sub db_put($$$) {
		585	BDB::dbreq_pri 4;
		586	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		587	}
		588
		589	=item cf::cache $id => [$paths...], $processversion => $process
		590
		591	Generic caching function that returns the value of the resource $id,
		592	caching and regenerating as required.
		593
		594	This function can block.
		595
		596	=cut
		597
		598	sub cache {
		599	my ($id, $src, $processversion, $process) = @_;
		600
		601	my $meta =
		602	join "\x00",
		603	$processversion,
		604	map {
		605	aio_stat $_
		606	and Carp::croak "$_: $!";
		607
		608	($_, (stat _)[7,9])
		609	} @$src;
		610
		611	my $dbmeta = db_get cache => "$id/meta";
		612	if ($dbmeta ne $meta) {
		613	# changed, we may need to process
		614
		615	my @data;
		616	my $md5;
		617
		618	for (0 .. $#$src) {
		619	0 <= aio_load $src->[$_], $data[$_]
		620	or Carp::croak "$src->[$_]: $!";
		621	}
		622
		623	# if processing is expensive, check
		624	# checksum first
		625	if (1) {
		626	$md5 =
		627	join "\x00",
		628	$processversion,
		629	map {
		630	cf::cede_to_tick;
		631	($src->[$_], Digest::MD5::md5_hex $data[$_])
		632	} 0.. $#$src;
		633
		634
		635	my $dbmd5 = db_get cache => "$id/md5";
		636	if ($dbmd5 eq $md5) {
		637	db_put cache => "$id/meta", $meta;
		638
		639	return db_get cache => "$id/data";
		640	}
		641	}
		642
		643	my $t1 = Time::HiRes::time;
		644	my $data = $process->(\@data);
		645	my $t2 = Time::HiRes::time;
		646
		647	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		648
		649	db_put cache => "$id/data", $data;
		650	db_put cache => "$id/md5" , $md5;
		651	db_put cache => "$id/meta", $meta;
		652
		653	return $data;
		654	}
		655
		656	db_get cache => "$id/data"
374	}	657	}
375		658
376	=item cf::datalog type => key => value, ...	659	=item cf::datalog type => key => value, ...
377		660
378	Log a datalog packet of the given type with the given key-value pairs.	661	Log a datalog packet of the given type with the given key-value pairs.
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	679	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	680	to it. All such attachable objects support the following methods.
398		681
399	In the following description, CLASS can be any of C<global>, C<object>	682	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	683	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	684	Deliantra).
402		685
403	=over 4	686	=over 4
404		687
405	=item $attachable->attach ($attachment, key => $value...)	688	=item $attachable->attach ($attachment, key => $value...)
406		689
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	852	$registry = $CB_TYPE[$object_type] ||= [];
570		853
571	} elsif ($type eq "subtype") {	854	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	855	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	856	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	857	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		858
576	} elsif ($type eq "package") {	859	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	860	my $pkg = shift @arg;
578		861
579	while (my ($name, $id) = each %cb_id) {	862	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	891	_attach $registry, $klass, @attach;
609	}	892	}
610		893
611	$obj->{$name} = \%arg;	894	$obj->{$name} = \%arg;
612	} else {	895	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	896	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	897	}
615		898
616	$obj->{_attachment}{$name} = undef;	899	$obj->{_attachment}{$name} = undef;
617	}	900	}
618		901
…		…
620	if (ref $_[0]) {	903	if (ref $_[0]) {
621	_object_attach @_;	904	_object_attach @_;
622	} else {	905	} else {
623	_attach shift->_attach_registry, @_;	906	_attach shift->_attach_registry, @_;
624	}	907	}
		908	_recalc_want;
625	};	909	};
626		910
627	# all those should be optimised	911	# all those should be optimised
628	sub cf::attachable::detach {	912	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	913	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	916	delete $obj->{_attachment}{$name};
633	reattach ($obj);	917	reattach ($obj);
634	} else {	918	} else {
635	Carp::croak "cannot, currently, detach class attachments";	919	Carp::croak "cannot, currently, detach class attachments";
636	}	920	}
		921	_recalc_want;
637	};	922	};
638		923
639	sub cf::attachable::attached {	924	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	925	my ($obj, $name) = @_;
641		926
…		…
656	";	941	";
657	die if $@;	942	die if $@;
658	}	943	}
659		944
660	our $override;	945	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	946	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		947
663	sub override {	948	sub override {
664	$override = 1;	949	$override = 1;
665	@invoke_results = ();	950	@INVOKE_RESULTS = (@_);
666	}	951	}
667		952
668	sub do_invoke {	953	sub do_invoke {
669	my $event = shift;	954	my $event = shift;
670	my $callbacks = shift;	955	my $callbacks = shift;
671		956
672	@invoke_results = ();	957	@INVOKE_RESULTS = ();
673		958
674	local $override;	959	local $override;
675		960
676	for (@$callbacks) {	961	for (@$callbacks) {
677	eval { &{$_->[1]} };	962	eval { &{$_->[1]} };
…		…
686	}	971	}
687		972
688	0	973	0
689	}	974	}
690		975
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		977
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	978	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		979
695	Generate an object-specific event with the given arguments.	980	Generate an object-specific event with the given arguments.
696		981
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	982	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	983	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	984	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		985
701	=back	986	=back
702		987
703	=cut	988	=cut
704		989
705	#############################################################################	990	#############################################################################
706	# object support	991	# object support
		992
		993	sub _object_equal($$);
		994	sub _object_equal($$) {
		995	my ($a, $b) = @_;
		996
		997	return 0 unless (ref $a) eq (ref $b);
		998
		999	if ("HASH" eq ref $a) {
		1000	my @ka = keys %$a;
		1001	my @kb = keys %$b;
		1002
		1003	return 0 if @ka != @kb;
		1004
		1005	for (0 .. $#ka) {
		1006	return 0 unless $ka[$_] eq $kb[$_];
		1007	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1008	}
		1009
		1010	} elsif ("ARRAY" eq ref $a) {
		1011
		1012	return 0 if @$a != @$b;
		1013
		1014	for (0 .. $#$a) {
		1015	return 0 unless _object_equal $a->[$_], $b->[$_];
		1016	}
		1017
		1018	} elsif ($a ne $b) {
		1019	return 0;
		1020	}
		1021
		1022	1
		1023	}
		1024
		1025	our $SLOW_MERGES;#d#
		1026	sub _can_merge {
		1027	my ($ob1, $ob2) = @_;
		1028
		1029	++$SLOW_MERGES;#d#
		1030
		1031	# we do the slow way here
		1032	return _object_equal $ob1, $ob2
		1033	}
707		1034
708	sub reattach {	1035	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1036	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1037	my ($obj) = @_;
711		1038
…		…
732	cf::attachable->attach (	1059	cf::attachable->attach (
733	prio => -1000000,	1060	prio => -1000000,
734	on_instantiate => sub {	1061	on_instantiate => sub {
735	my ($obj, $data) = @_;	1062	my ($obj, $data) = @_;
736		1063
737	$data = from_json $data;	1064	$data = decode_json $data;
738		1065
739	for (@$data) {	1066	for (@$data) {
740	my ($name, $args) = @$_;	1067	my ($name, $args) = @$_;
741		1068
742	$obj->attach ($name, %{$args || {} });	1069	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1085	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1086	my ($filename, $rdata, $objs) = @_;
760		1087
761	sync_job {	1088	sync_job {
762	if (length $$rdata) {	1089	if (length $$rdata) {
		1090	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1091	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1092	$decname, length $$rdata, scalar @$objs;
765		1093
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1094	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1095	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1096	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1097	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1098	close $fh;
771		1099
772	if (@$objs) {	1100	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1101	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1102	chmod SAVE_MODE, $fh;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1103	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1104	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1105	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1106	close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1107	aio_rename "$filename.pst~", "$filename.pst";
780	}	1108	}
…		…
788	}	1116	}
789	} else {	1117	} else {
790	aio_unlink $filename;	1118	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1119	aio_unlink "$filename.pst";
792	}	1120	}
793	}	1121	};
794	}	1122	}
795		1123
796	sub object_freezer_as_string {	1124	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1125	my ($rdata, $objs) = @_;
798		1126
…		…
810	or return;	1138	or return;
811		1139
812	unless (aio_stat "$filename.pst") {	1140	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1141	(aio_load "$filename.pst", $av) >= 0
814	or return;	1142	or return;
		1143
815	$av = eval { (Storable::thaw $av)->{objs} };	1144	my $st = eval { Coro::Storable::thaw $av };
		1145	$av = $st->{objs};
816	}	1146	}
817		1147
		1148	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1149	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1150	$decname, length $data, scalar @{$av || []};
		1151
820	return ($data, $av);	1152	($data, $av)
821	}	1153	}
		1154
		1155	=head2 COMMAND CALLBACKS
		1156
		1157	=over 4
		1158
		1159	=cut
822		1160
823	#############################################################################	1161	#############################################################################
824	# command handling &c	1162	# command handling &c
825		1163
826	=item cf::register_command $name => \&callback($ob,$args);	1164	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1177	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1178	}
841		1179
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1180	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1181
844	Register a callbackf ro execution when the client sends an extcmd packet.	1182	Register a callback for execution when the client sends an (synchronous)
		1183	extcmd packet. Ext commands will be processed in the order they are
		1184	received by the server, like other user commands. The first argument is
		1185	the logged-in player. Ext commands can only be processed after a player
		1186	has logged in successfully.
845		1187
846	If the callback returns something, it is sent back as if reply was being	1188	If the callback returns something, it is sent back as if reply was being
847	called.	1189	called.
848		1190
		1191	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1192
		1193	Register a callback for execution when the client sends an (asynchronous)
		1194	exticmd packet. Exti commands are processed by the server as soon as they
		1195	are received, i.e. out of order w.r.t. other commands. The first argument
		1196	is a client socket. Exti commands can be received anytime, even before
		1197	log-in.
		1198
		1199	If the callback returns something, it is sent back as if reply was being
		1200	called.
		1201
849	=cut	1202	=cut
850		1203
851	sub register_extcmd {	1204	sub register_extcmd {
852	my ($name, $cb) = @_;	1205	my ($name, $cb) = @_;
853		1206
854	$EXTCMD{$name} = $cb;	1207	$EXTCMD{$name} = $cb;
		1208	}
		1209
		1210	sub register_exticmd {
		1211	my ($name, $cb) = @_;
		1212
		1213	$EXTICMD{$name} = $cb;
855	}	1214	}
856		1215
857	cf::player->attach (	1216	cf::player->attach (
858	on_command => sub {	1217	on_command => sub {
859	my ($pl, $name, $params) = @_;	1218	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1227	cf::override;
869	},	1228	},
870	on_extcmd => sub {	1229	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1230	my ($pl, $buf) = @_;
872		1231
873	my $msg = eval { from_json $buf };	1232	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1233
875	if (ref $msg) {	1234	if (ref $msg) {
		1235	my ($type, $reply, @payload) =
		1236	"ARRAY" eq ref $msg
		1237	? @$msg
		1238	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1239
		1240	my @reply;
		1241
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1242	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1243	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1244	}
		1245
		1246	$pl->ext_reply ($reply, @reply)
		1247	if $reply;
		1248
881	} else {	1249	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1250	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1251	}
884		1252
885	cf::override;	1253	cf::override;
886	},	1254	},
887	);	1255	);
888		1256
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1257	sub load_extensions {
		1258	cf::sync_job {
		1259	my %todo;
		1260
924	for my $ext (<$LIBDIR/*.ext>) {	1261	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1262	next unless -r $path;
926	eval {	1263
927	load_extension $ext;	1264	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1265	my $base = $1;
		1266	my $pkg = $1;
		1267	$pkg =~ s/[^[:word:]]/_/g;
		1268	$pkg = "ext::$pkg";
		1269
		1270	open my $fh, "<:utf8", $path
		1271	or die "$path: $!";
		1272
		1273	my $source = do { local $/; <$fh> };
		1274
		1275	my %ext = (
		1276	path => $path,
		1277	base => $base,
		1278	pkg => $pkg,
		1279	);
		1280
		1281	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1282	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1283
		1284	$ext{source} =
		1285	"package $pkg; use strict; use utf8;\n"
		1286	. "#line 1 \"$path\"\n{\n"
		1287	. $source
		1288	. "\n};\n1";
		1289
		1290	$todo{$base} = \%ext;
		1291	}
		1292
		1293	my %done;
		1294	while (%todo) {
		1295	my $progress;
		1296
		1297	while (my ($k, $v) = each %todo) {
		1298	for (split /,\s*/, $v->{meta}{depends}) {
		1299	goto skip
		1300	unless exists $done{$_};
		1301	}
		1302
		1303	warn "... loading '$k' into '$v->{pkg}'\n";
		1304
		1305	unless (eval $v->{source}) {
		1306	my $msg = $@ ? "$v->{path}: $@\n"
		1307	: "$v->{base}: extension inactive.\n";
		1308
		1309	if (exists $v->{meta}{mandatory}) {
		1310	warn $msg;
		1311	warn "mandatory extension failed to load, exiting.\n";
		1312	exit 1;
		1313	}
		1314
		1315	warn $msg;
		1316	}
		1317
		1318	$done{$k} = delete $todo{$k};
		1319	push @EXTS, $v->{pkg};
		1320	$progress = 1;
928	1	1321	}
929	} or warn "$ext not loaded: $@";	1322
		1323	skip:
		1324	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1325	unless $progress;
		1326	}
930	}	1327	};
931	}	1328	}
932		1329
933	#############################################################################	1330	#############################################################################
934		1331
		1332	=back
		1333
935	=head2 CORE EXTENSIONS	1334	=head2 CORE EXTENSIONS
936		1335
937	Functions and methods that extend core crossfire objects.	1336	Functions and methods that extend core crossfire objects.
938		1337
939	=cut	1338	=cut
…		…
944		1343
945	=head3 cf::player	1344	=head3 cf::player
946		1345
947	=over 4	1346	=over 4
948		1347
		1348	=item cf::player::num_playing
		1349
		1350	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1351
		1352	=cut
		1353
		1354	sub num_playing {
		1355	scalar grep
		1356	$_->ob->map
		1357	&& !$_->hidden
		1358	&& !$_->ob->flag (cf::FLAG_WIZ),
		1359	cf::player::list
		1360	}
		1361
949	=item cf::player::find $login	1362	=item cf::player::find $login
950		1363
951	Returns the given player object, loading it if necessary (might block).	1364	Returns the given player object, loading it if necessary (might block).
952		1365
953	=cut	1366	=cut
954		1367
955	sub playerdir($) {	1368	sub playerdir($) {
956	cf::localdir	1369	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1370	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1371	}
962		1372
963	sub path($) {	1373	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1374	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1401	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1402	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1403	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1404	aio_unlink +(playerdir $login) . "/$login.pl";
995		1405
996	my $pl = load_pl path $login	1406	my $f = new_from_file cf::object::thawer path $login
997	or return;	1407	or return;
		1408
		1409	my $pl = cf::player::load_pl $f
		1410	or return;
		1411	local $cf::PLAYER_LOADING{$login} = $pl;
		1412	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1413	$cf::PLAYER{$login} = $pl
999	}	1414	}
1000	}	1415	}
1001	}	1416	}
1002		1417
…		…
1012		1427
1013	aio_mkdir playerdir $pl, 0770;	1428	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1429	$pl->{last_save} = $cf::RUNTIME;
1015		1430
1016	$pl->save_pl ($path);	1431	$pl->save_pl ($path);
1017	Coro::cede;	1432	cf::cede_to_tick;
1018	}	1433	}
1019		1434
1020	sub new($) {	1435	sub new($) {
1021	my ($login) = @_;	1436	my ($login) = @_;
1022		1437
…		…
1026	$self->{deny_save} = 1;	1441	$self->{deny_save} = 1;
1027		1442
1028	$cf::PLAYER{$login} = $self;	1443	$cf::PLAYER{$login} = $self;
1029		1444
1030	$self	1445	$self
		1446	}
		1447
		1448	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1449
		1450	=cut
		1451
		1452	sub send_msg {
		1453	my $ns = shift->ns
		1454	or return;
		1455	$ns->send_msg (@_);
1031	}	1456	}
1032		1457
1033	=item $pl->quit_character	1458	=item $pl->quit_character
1034		1459
1035	Nukes the player without looking back. If logged in, the connection will	1460	Nukes the player without looking back. If logged in, the connection will
…		…
1084	while and may block, so not sync_job-capable, ever.	1509	while and may block, so not sync_job-capable, ever.
1085		1510
1086	=cut	1511	=cut
1087		1512
1088	sub list_logins {	1513	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1514	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1515	or return [];
1091		1516
1092	my @logins;	1517	my @logins;
1093		1518
1094	for my $login (@$dirs) {	1519	for my $login (@$dirs) {
		1520	my $path = path $login;
		1521
		1522	# a .pst is a dead give-away for a valid player
		1523	unless (-e "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1524	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1525	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1526	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1527	}
1098		1528
1099	utf8::decode $login;	1529	utf8::decode $login;
1100	push @logins, $login;	1530	push @logins, $login;
1101	}	1531	}
1102		1532
…		…
1129	}	1559	}
1130		1560
1131	\@paths	1561	\@paths
1132	}	1562	}
1133		1563
		1564	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1565
		1566	Expand crossfire pod fragments into protocol xml.
		1567
		1568	=cut
		1569
		1570	use re 'eval';
		1571
		1572	my $group;
		1573	my $interior; $interior = qr{
		1574	# match a pod interior sequence sans C<< >>
		1575	(?:
		1576	\ (.*?)\ (?{ $group = $^N })
		1577	| < (??{$interior}) >
		1578	)
		1579	}x;
		1580
		1581	sub expand_cfpod {
		1582	my ($self, $pod) = @_;
		1583
		1584	my $xml;
		1585
		1586	while () {
		1587	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1588	$group = $1;
		1589
		1590	$group =~ s/&/&amp;/g;
		1591	$group =~ s/</&lt;/g;
		1592
		1593	$xml .= $group;
		1594	} elsif ($pod =~ m%\G
		1595	([BCGHITU])
		1596	<
		1597	(?:
		1598	([^<>]*) (?{ $group = $^N })
		1599	| < $interior >
		1600	)
		1601	>
		1602	%gcsx
		1603	) {
		1604	my ($code, $data) = ($1, $group);
		1605
		1606	if ($code eq "B") {
		1607	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1608	} elsif ($code eq "I") {
		1609	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1610	} elsif ($code eq "U") {
		1611	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1612	} elsif ($code eq "C") {
		1613	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1614	} elsif ($code eq "T") {
		1615	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1616	} elsif ($code eq "G") {
		1617	my ($male, $female) = split /\|/, $data;
		1618	$data = $self->gender ? $female : $male;
		1619	$xml .= expand_cfpod ($self, $data);
		1620	} elsif ($code eq "H") {
		1621	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1622	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1623	"")
		1624	[$self->{hintmode}];
		1625	} else {
		1626	$xml .= "error processing '$code($data)' directive";
		1627	}
		1628	} else {
		1629	if ($pod =~ /\G(.+)/) {
		1630	warn "parse error while expanding $pod (at $1)";
		1631	}
		1632	last;
		1633	}
		1634	}
		1635
		1636	for ($xml) {
		1637	# create single paragraphs (very hackish)
		1638	s/(?<=\S)\n(?=\w)/ /g;
		1639
		1640	# compress some whitespace
		1641	s/\s+\n/\n/g; # ws line-ends
		1642	s/\n\n+/\n/g; # double lines
		1643	s/^\n+//; # beginning lines
		1644	s/\n+$//; # ending lines
		1645	}
		1646
		1647	$xml
		1648	}
		1649
		1650	no re 'eval';
		1651
		1652	sub hintmode {
		1653	$_[0]{hintmode} = $_[1] if @_ > 1;
		1654	$_[0]{hintmode}
		1655	}
		1656
1134	=item $player->ext_reply ($msgid, %msg)	1657	=item $player->ext_reply ($msgid, @msg)
1135		1658
1136	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1137		1660
1138	=cut	1661	=cut
1139		1662
1140	sub ext_reply($$%) {	1663	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1664	my ($self, $id, @msg) = @_;
1142		1665
1143	$msg{msgid} = $id;	1666	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1667	}
1147		1668
1148	=item $player->ext_event ($type, %msg)	1669	=item $player->ext_msg ($type, @msg)
1149		1670
1150	Sends an ext event to the client.	1671	Sends an ext event to the client.
1151		1672
1152	=cut	1673	=cut
1153		1674
1154	sub ext_event($$%) {	1675	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1676	my ($self, $type, @msg) = @_;
1156		1677
1157	$self->ns->ext_event ($type, %msg);	1678	$self->ns->ext_msg ($type, @msg);
1158	}	1679	}
1159		1680
1160	=head3 cf::region	1681	=head3 cf::region
1161		1682
1162	=over 4	1683	=over 4
…		…
1165		1686
1166	package cf::region;	1687	package cf::region;
1167		1688
1168	=item cf::region::find_by_path $path	1689	=item cf::region::find_by_path $path
1169		1690
1170	Tries to decuce the probable region for a map knowing only its path.	1691	Tries to decuce the likely region for a map knowing only its path.
1171		1692
1172	=cut	1693	=cut
1173		1694
1174	sub find_by_path($) {	1695	sub find_by_path($) {
1175	my ($path) = @_;	1696	my ($path) = @_;
1176		1697
1177	my ($match, $specificity);	1698	my ($match, $specificity);
1178		1699
1179	for my $region (list) {	1700	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1701	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1702	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1703	if $region->specificity > $specificity;
1183	}	1704	}
1184	}	1705	}
1185		1706
…		…
1249	my ($self, $merge) = @_;	1770	my ($self, $merge) = @_;
1250		1771
1251	# we have to keep some variables in memory intact	1772	# we have to keep some variables in memory intact
1252	local $self->{path};	1773	local $self->{path};
1253	local $self->{load_path};	1774	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1775
1257	$self->SUPER::thawer_merge ($merge);	1776	$self->SUPER::thawer_merge ($merge);
1258	}	1777	}
1259		1778
1260	sub normalise {	1779	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1308	return $self;	1827	return $self;
1309	}	1828	}
1310	}	1829	}
1311		1830
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1832	()
1314	}	1833	}
1315		1834
1316	sub init {	1835	sub init {
1317	my ($self) = @_;	1836	my ($self) = @_;
…		…
1332		1851
1333	# the original (read-only) location	1852	# the original (read-only) location
1334	sub load_path {	1853	sub load_path {
1335	my ($self) = @_;	1854	my ($self) = @_;
1336		1855
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1856	"$MAPDIR/$self->{path}.map"
1338	}	1857	}
1339		1858
1340	# the temporary/swap location	1859	# the temporary/swap location
1341	sub save_path {	1860	sub save_path {
1342	my ($self) = @_;	1861	my ($self) = @_;
1343		1862
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1864	"$TMPDIR/$path.map"
1346	}	1865	}
1347		1866
1348	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1349	sub uniq_path {	1868	sub uniq_path {
1350	my ($self) = @_;	1869	my ($self) = @_;
1351		1870
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1872	"$UNIQUEDIR/$path"
1354	}	1873	}
1355		1874
1356	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1357	# all maps in C++...	1876	# all maps in C++...
1358	sub change_all_map_light {	1877	sub change_all_map_light {
…		…
1360		1879
1361	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1363	}	1882	}
1364		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1365	sub unlink_save {	1892	sub unlink_save {
1366	my ($self) = @_;	1893	my ($self) = @_;
1367		1894
1368	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1899
1373	sub load_header_from($) {	1900	sub load_header_from($) {
1374	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1375		1902
1376	utf8::encode $path;	1903	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1905	or return;
		1906
		1907	$self->_load_header ($f)
		1908	or return;
		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
1382		1912
1383	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1384		1914
1385	1	1915	1
1386	}	1916	}
…		…
1425	$self->load_header_orig	1955	$self->load_header_orig
1426	or return;	1956	or return;
1427	$self->prepare_orig;	1957	$self->prepare_orig;
1428	}	1958	}
1429		1959
		1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
		1962
1430	$self->default_region (cf::region::find_by_path $self->{path})	1963	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1964	unless $self->default_region;
1432		1965
1433	1	1966	1
1434	}	1967	}
…		…
1437	sub find {	1970	sub find {
1438	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1439		1972
1440	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1441		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1443		1977
1444	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";	1979	my $guard1 = cf::lock_acquire "map_find:$path";
		1980	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1981
1446	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1447	or return;	1983	or return;
1448		1984
1449	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1450		1986
1451	$map->load_header	1987	$map->load_header
1452	or return;	1988	or return;
1453		1989
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard1;
		1994	undef $guard2;
1457	$map->reset;	1995	$map->reset;
1458	undef $guard;
1459	return find $path;	1996	return find $path;
1460	}	1997	}
1461		1998
1462	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1463	}	2000	}
…		…
1470	my ($self) = @_;	2007	my ($self) = @_;
1471		2008
1472	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1473		2010
1474	my $path = $self->{path};	2011	my $path = $self->{path};
		2012
		2013	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1476		2015
		2016	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2018
1479	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1480		2020
1481	$self->alloc;	2021	$self->alloc;
1482		2022
1483	$self->pre_load;	2023	$self->pre_load;
1484	Coro::cede;	2024	cf::cede_to_tick;
1485		2025
1486	$self->_load_objects ($self->{load_path}, 1)	2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
		2028	$self->_load_objects ($f)
1487	or return;	2029	or return;
1488		2030
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};	2032	if delete $self->{load_original};
1491		2033
1492	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2035	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2038	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1497	}	2042	}
1498	}	2043	}
1499		2044
1500	Coro::cede;	2045	$f->resolve_delayed_derefs;
		2046
		2047	cf::cede_to_tick;
1501	# now do the right thing for maps	2048	# now do the right thing for maps
1502	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2051	unless $self->difficulty;
1513	Coro::cede;	2052	cf::cede_to_tick;
		2053
		2054	unless ($self->{deny_activate}) {
		2055	$self->decay_objects;
		2056	$self->fix_auto_apply;
		2057	$self->update_buttons;
		2058	cf::cede_to_tick;
		2059	$self->set_darkness_map;
		2060	cf::cede_to_tick;
1514	$self->activate;	2061	$self->activate;
1515	Coro::cede;	2062	}
		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
		2067	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	2068	}
1517		2069
1518	$self->post_load;	2070	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2071	}
1523		2072
1524	sub customise_for {	2073	sub customise_for {
1525	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1526		2075
1527	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2077	if $self->per_player;
1529		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1530	$self	2082	$self
1531	}	2083	}
1532		2084
1533	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2086	sub load_neighbours {
1535	my ($map) = @_;	2087	my ($map) = @_;
1536		2088
1537	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1538		2090
1539	for (0 .. 3) {	2091	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1541	or next;	2093	or next;
1542	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1543	or next;	2095	or next;
1544	$neigh->load;	2096	$neigh->load;
1545		2097
		2098	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2101	}
1549		2102
1550	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1552	or next;	2106	or next;
1553	$neigh->load;	2107	$neigh->load;
1554	}	2108	}
1555	}	2109	}
1556		2110
…		…
1561	}	2115	}
1562		2116
1563	sub do_load_sync {	2117	sub do_load_sync {
1564	my ($map) = @_;	2118	my ($map) = @_;
1565		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1566	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1567	}	2124	}
1568		2125
1569	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1571		2128
1572	sub find_async {	2129	sub find_async {
1573	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1574		2131
1575	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1576		2133
1577	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1579	}	2136	}
1580		2137
1581	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1582	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1583	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2145	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2146	$map->load if $v;
		2147	}
1588		2148
1589	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1590	}	2150	}
1591	}	2151	}
1592	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1593	};	2153	};
1594	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2157	}
1598		2158
1599	sub save {	2159	sub save {
1600	my ($self) = @_;	2160	my ($self) = @_;
1601		2161
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2163
1604	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1605		2165
1606	return unless $self->dirty;	2166	return unless $self->dirty;
1607		2167
…		…
1613	return if $self->{deny_save};	2173	return if $self->{deny_save};
1614		2174
1615	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1616		2176
1617	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1619	};	2180	};
1620		2181
1621	if ($uniq) {	2182	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2183	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1630	my ($self) = @_;	2191	my ($self) = @_;
1631		2192
1632	# save first because save cedes	2193	# save first because save cedes
1633	$self->save;	2194	$self->save;
1634		2195
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2196	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2197
1637	return if $self->players;	2198	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2199	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};	2200	return if $self->{deny_save};
1640		2201
		2202	$self->in_memory (cf::MAP_SWAPPED);
		2203
		2204	$self->deactivate;
		2205	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2206	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2207	}
1644		2208
1645	sub reset_at {	2209	sub reset_at {
1646	my ($self) = @_;	2210	my ($self) = @_;
1647		2211
1648	# TODO: safety, remove and allow resettable per-player maps	2212	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2213	return 1e99 if $self->{deny_reset};
1651		2214
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2215	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2216	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2217
…		…
1665	my ($self) = @_;	2228	my ($self) = @_;
1666		2229
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2230	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2231
1669	return if $self->players;	2232	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2233
1672	warn "resetting map ", $self->path;#d#	2234	warn "resetting map ", $self->path;
1673		2235
1674	$self->in_memory (cf::MAP_SWAPPED);	2236	$self->in_memory (cf::MAP_SWAPPED);
1675		2237
1676	# need to save uniques path	2238	# need to save uniques path
1677	unless ($self->{deny_save}) {	2239	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2243	if $uniq;
1682	}	2244	}
1683		2245
1684	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1685		2247
		2248	$self->deactivate;
		2249	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2250	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2251
1690	$self->unlink_save;	2252	$self->unlink_save;
1691	$self->destroy;	2253	$self->destroy;
1692	}	2254	}
1693		2255
1694	my $nuke_counter = "aaaa";	2256	my $nuke_counter = "aaaa";
1695		2257
1696	sub nuke {	2258	sub nuke {
1697	my ($self) = @_;	2259	my ($self) = @_;
1698		2260
		2261	{
		2262	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2263
1699	delete $cf::MAP{$self->path};	2264	delete $cf::MAP{$self->path};
1700		2265
1701	$self->unlink_save;	2266	$self->unlink_save;
1702		2267
1703	bless $self, "cf::map";	2268	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2269	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2270	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2271	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2272	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2273
1709	$cf::MAP{$self->path} = $self;	2274	$cf::MAP{$self->path} = $self;
		2275	}
1710		2276
1711	$self->reset; # polite request, might not happen	2277	$self->reset; # polite request, might not happen
		2278	}
		2279
		2280	=item $maps = cf::map::tmp_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	maps. May block.
		2284
		2285	=cut
		2286
		2287	sub tmp_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise $_
		2293	: ()
		2294	} @{ aio_readdir $TMPDIR or [] }
		2295	]
		2296	}
		2297
		2298	=item $maps = cf::map::random_maps
		2299
		2300	Returns an arrayref with all map paths of currently instantiated and saved
		2301	random maps. May block.
		2302
		2303	=cut
		2304
		2305	sub random_maps() {
		2306	[
		2307	map {
		2308	utf8::decode $_;
		2309	/\.map$/
		2310	? normalise "?random/$_"
		2311	: ()
		2312	} @{ aio_readdir $RANDOMDIR or [] }
		2313	]
1712	}	2314	}
1713		2315
1714	=item cf::map::unique_maps	2316	=item cf::map::unique_maps
1715		2317
1716	Returns an arrayref of paths of all shared maps that have	2318	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2319	instantiated unique items. May block.
1718		2320
1719	=cut	2321	=cut
1720		2322
1721	sub unique_maps() {	2323	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2324	[
1723	or return;	2325	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2326	utf8::decode $_;
1729	next if /\.pst$/;	2327	/\.map$/
1730	next unless /^$PATH_SEP/o;	2328	? normalise $_
1731		2329	: ()
1732	push @paths, cf::map::normalise $_;	2330	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2331	]
1734
1735	\@paths
1736	}	2332	}
1737		2333
1738	package cf;	2334	package cf;
1739		2335
1740	=back	2336	=back
…		…
1758	map { $_, inv_recursive_ $_->inv } @_	2354	map { $_, inv_recursive_ $_->inv } @_
1759	}	2355	}
1760		2356
1761	sub inv_recursive {	2357	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2358	inv_recursive_ inv $_[0]
		2359	}
		2360
		2361	=item $ref = $ob->ref
		2362
		2363	creates and returns a persistent reference to an objetc that can be stored as a string.
		2364
		2365	=item $ob = cf::object::deref ($refstring)
		2366
		2367	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2368	even if the object actually exists. May block.
		2369
		2370	=cut
		2371
		2372	sub deref {
		2373	my ($ref) = @_;
		2374
		2375	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2376	my ($uuid, $name) = ($1, $2);
		2377	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2378	or return;
		2379	$pl->ob->uuid eq $uuid
		2380	or return;
		2381
		2382	$pl->ob
		2383	} else {
		2384	warn "$ref: cannot resolve object reference\n";
		2385	undef
		2386	}
1763	}	2387	}
1764		2388
1765	package cf;	2389	package cf;
1766		2390
1767	=back	2391	=back
…		…
1786		2410
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2411	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2412
1789	if ($self->{record_replies}) {	2413	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2414	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2415
1791	} else {	2416	} else {
		2417	my $pl = $self->contr;
		2418
		2419	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2420	my $dialog = $pl->{npc_dialog};
		2421	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2422
		2423	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2424	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2425	$self->message ($msg, $flags);
		2426	}
1794	}	2427	}
		2428	}
		2429
		2430	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2431
		2432	=cut
		2433
		2434	sub cf::object::send_msg {
		2435	my $pl = shift->contr
		2436	or return;
		2437	$pl->send_msg (@_);
1795	}	2438	}
1796		2439
1797	=item $player_object->may ("access")	2440	=item $player_object->may ("access")
1798		2441
1799	Returns wether the given player is authorized to access resource "access"	2442	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2489	$self->deactivate_recursive;
1847		2490
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2491	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2492
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2493	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2494	if $self->map && $self->map->{path} ne "{link}";
1852		2495
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2496	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2497	}
1855		2498
1856	sub cf::object::player::leave_link {	2499	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2500	my ($self, $map, $x, $y) = @_;
		2501
		2502	return unless $self->contr->active;
1858		2503
1859	my $link_pos = delete $self->{_link_pos};	2504	my $link_pos = delete $self->{_link_pos};
1860		2505
1861	unless ($map) {	2506	unless ($map) {
1862	# restore original map position	2507	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2521	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2522	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2523	if $x <=0 && $y <= 0;
1879		2524
1880	$map->load;	2525	$map->load;
1881	$map->load_diag;	2526	$map->load_neighbours;
1882		2527
1883	return unless $self->contr->active;	2528	return unless $self->contr->active;
1884	$self->activate_recursive;	2529	$self->activate_recursive;
1885		2530
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
1888	}	2533	}
1889		2534
1890	cf::player->attach (	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2536
1894	# abort map switching before logout	2537	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2538	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2539	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2540	the new (success) or old (failed) map position. In either case, $done will
1898	};	2541	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2542
1904	# try to abort aborted map switching on player login :)
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2543	=cut
		2544
		2545	our $GOTOGEN;
1925		2546
1926	sub cf::object::player::goto {	2547	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2548	my ($self, $path, $x, $y, $check, $done) = @_;
		2549
		2550	# do generation counting so two concurrent goto's will be executed in-order
		2551	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2552
1929	$self->enter_link;	2553	$self->enter_link;
1930		2554
1931	(async {	2555	(async {
		2556	$Coro::current->{desc} = "player::goto $path $x $y";
		2557
		2558	# *tag paths override both path and x|y
		2559	if ($path =~ /^\*(.*)$/) {
		2560	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2561	my $ob = $obs[rand @obs];
		2562
		2563	# see if we actually can go there
		2564	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2565	$ob = $obs[rand @obs];
		2566	} else {
		2567	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2568	}
		2569	# else put us there anyways for now #d#
		2570
		2571	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2572	} else {
		2573	($path, $x, $y) = (undef, undef, undef);
		2574	}
		2575	}
		2576
1932	my $map = eval {	2577	my $map = eval {
1933	my $map = cf::map::find $path;	2578	my $map = defined $path ? cf::map::find $path : undef;
		2579
		2580	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2581	$map = $map->customise_for ($self);
		2582	$map = $check->($map) if $check && $map;
		2583	} else {
		2584	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2585	}
		2586
1935	$map	2587	$map
		2588	};
		2589
		2590	if ($@) {
		2591	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2592	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2593	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2594
		2595	if ($gen == $self->{_goto_generation}) {
		2596	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2597	$self->leave_link ($map, $x, $y);
		2598	}
		2599
		2600	$done->() if $done;
1940	})->prio (1);	2601	})->prio (1);
1941	}	2602	}
1942		2603
1943	=item $player_object->enter_exit ($exit_object)	2604	=item $player_object->enter_exit ($exit_object)
1944		2605
…		…
1981	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
1982	}	2643	}
1983		2644
1984	$rmp->{random_seed} ||= $exit->random_seed;	2645	$rmp->{random_seed} ||= $exit->random_seed;
1985		2646
1986	my $data = cf::to_json $rmp;	2647	my $data = cf::encode_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2648	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2649	my $meta = "$RANDOMDIR/$md5.meta";
1989		2650
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2651	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2652	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2653	undef $fh;
1993	aio_rename "$meta~", $meta;	2654	aio_rename "$meta~", $meta;
…		…
2013	my $hp = $exit->stats->hp;	2674	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2675	my $sp = $exit->stats->sp;
2015		2676
2016	$self->enter_link;	2677	$self->enter_link;
2017		2678
		2679	# if exit is damned, update players death & WoR home-position
		2680	$self->contr->savebed ($slaying, $hp, $sp)
		2681	if $exit->flag (FLAG_DAMNED);
		2682
2018	(async {	2683	(async {
		2684	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2685
2019	$self->deactivate_recursive; # just to be sure	2686	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2687	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2688	$self->goto ($slaying, $hp, $sp);
2022		2689
2023	1;	2690	1;
…		…
2049		2716
2050	utf8::encode $text;	2717	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2718	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2719	}
2053		2720
		2721	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2722
		2723	Send a drawinfo or msg packet to the client, formatting the msg for the
		2724	client if neccessary. C<$type> should be a string identifying the type of
		2725	the message, with C<log> being the default. If C<$color> is negative, suppress
		2726	the message unless the client supports the msg packet.
		2727
		2728	=cut
		2729
		2730	# non-persistent channels (usually the info channel)
		2731	our %CHANNEL = (
		2732	"c/identify" => {
		2733	id => "infobox",
		2734	title => "Identify",
		2735	reply => undef,
		2736	tooltip => "Items recently identified",
		2737	},
		2738	"c/examine" => {
		2739	id => "infobox",
		2740	title => "Examine",
		2741	reply => undef,
		2742	tooltip => "Signs and other items you examined",
		2743	},
		2744	"c/book" => {
		2745	id => "infobox",
		2746	title => "Book",
		2747	reply => undef,
		2748	tooltip => "The contents of a note or book",
		2749	},
		2750	"c/lookat" => {
		2751	id => "infobox",
		2752	title => "Look",
		2753	reply => undef,
		2754	tooltip => "What you saw there",
		2755	},
		2756	"c/who" => {
		2757	id => "infobox",
		2758	title => "Players",
		2759	reply => undef,
		2760	tooltip => "Shows players who are currently online",
		2761	},
		2762	"c/body" => {
		2763	id => "infobox",
		2764	title => "Body Parts",
		2765	reply => undef,
		2766	tooltip => "Shows which body parts you posess and are available",
		2767	},
		2768	"c/uptime" => {
		2769	id => "infobox",
		2770	title => "Uptime",
		2771	reply => undef,
		2772	tooltip => "How long the server has been running since last restart",
		2773	},
		2774	"c/mapinfo" => {
		2775	id => "infobox",
		2776	title => "Map Info",
		2777	reply => undef,
		2778	tooltip => "Information related to the maps",
		2779	},
		2780	);
		2781
		2782	sub cf::client::send_msg {
		2783	my ($self, $channel, $msg, $color, @extra) = @_;
		2784
		2785	$msg = $self->pl->expand_cfpod ($msg);
		2786
		2787	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2788
		2789	# check predefined channels, for the benefit of C
		2790	if ($CHANNEL{$channel}) {
		2791	$channel = $CHANNEL{$channel};
		2792
		2793	$self->ext_msg (channel_info => $channel)
		2794	if $self->can_msg;
		2795
		2796	$channel = $channel->{id};
		2797
		2798	} elsif (ref $channel) {
		2799	# send meta info to client, if not yet sent
		2800	unless (exists $self->{channel}{$channel->{id}}) {
		2801	$self->{channel}{$channel->{id}} = $channel;
		2802	$self->ext_msg (channel_info => $channel)
		2803	if $self->can_msg;
		2804	}
		2805
		2806	$channel = $channel->{id};
		2807	}
		2808
		2809	return unless @extra || length $msg;
		2810
		2811	if ($self->can_msg) {
		2812	# default colour, mask it out
		2813	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2814	if $color & cf::NDI_DEF;
		2815
		2816	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2817	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2818	} else {
		2819	if ($color >= 0) {
		2820	# replace some tags by gcfclient-compatible ones
		2821	for ($msg) {
		2822	1 while
		2823	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2824	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2825	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2826	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2827	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2828	}
		2829
		2830	$color &= cf::NDI_COLOR_MASK;
		2831
		2832	utf8::encode $msg;
		2833
		2834	if (0 && $msg =~ /\[/) {
		2835	# COMMAND/INFO
		2836	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2837	} else {
		2838	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2839	$self->send_packet ("drawinfo $color $msg")
		2840	}
		2841	}
		2842	}
		2843	}
		2844
2054	=item $client->ext_event ($type, %msg)	2845	=item $client->ext_msg ($type, @msg)
2055		2846
2056	Sends an exti event to the client.	2847	Sends an ext event to the client.
2057		2848
2058	=cut	2849	=cut
2059		2850
2060	sub cf::client::ext_event($$%) {	2851	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2852	my ($self, $type, @msg) = @_;
2062		2853
		2854	if ($self->extcmd == 2) {
		2855	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2856	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2857	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2858	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2859	}
		2860	}
		2861
		2862	=item $client->ext_reply ($msgid, @msg)
		2863
		2864	Sends an ext reply to the client.
		2865
		2866	=cut
		2867
		2868	sub cf::client::ext_reply($$@) {
		2869	my ($self, $id, @msg) = @_;
		2870
		2871	if ($self->extcmd == 2) {
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2873	} elsif ($self->extcmd == 1) {
		2874	#TODO: version 1, remove
		2875	unshift @msg, msgtype => "reply", msgid => $id;
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2877	}
2065	}	2878	}
2066		2879
2067	=item $success = $client->query ($flags, "text", \&cb)	2880	=item $success = $client->query ($flags, "text", \&cb)
2068		2881
2069	Queues a query to the client, calling the given callback with	2882	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2883	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2884	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2885
2073	Queries can fail, so check the return code. Or don't, as queries will become	2886	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2887	become reliable at some point in the future.
2075		2888
2076	=cut	2889	=cut
2077		2890
2078	sub cf::client::query {	2891	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2892	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2900	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2901	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2902
2090	$self->send_packet ($self->{query_queue}[0][0])	2903	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2904	if @{ $self->{query_queue} } == 1;
		2905
		2906	1
2092	}	2907	}
2093		2908
2094	cf::client->attach (	2909	cf::client->attach (
		2910	on_connect => sub {
		2911	my ($ns) = @_;
		2912
		2913	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2914	},
2095	on_reply => sub {	2915	on_reply => sub {
2096	my ($ns, $msg) = @_;	2916	my ($ns, $msg) = @_;
2097		2917
2098	# this weird shuffling is so that direct followup queries	2918	# this weird shuffling is so that direct followup queries
2099	# get handled first	2919	# get handled first
…		…
2111	} else {	2931	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2932	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2933	}
2114	}	2934	}
2115	},	2935	},
		2936	on_exticmd => sub {
		2937	my ($ns, $buf) = @_;
		2938
		2939	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2940
		2941	if (ref $msg) {
		2942	my ($type, $reply, @payload) =
		2943	"ARRAY" eq ref $msg
		2944	? @$msg
		2945	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2946
		2947	my @reply;
		2948
		2949	if (my $cb = $EXTICMD{$type}) {
		2950	@reply = $cb->($ns, @payload);
		2951	}
		2952
		2953	$ns->ext_reply ($reply, @reply)
		2954	if $reply;
		2955
		2956	} else {
		2957	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2958	}
		2959
		2960	cf::override;
		2961	},
2116	);	2962	);
2117		2963
2118	=item $client->async (\&cb)	2964	=item $client->async (\&cb)
2119		2965
2120	Create a new coroutine, running the specified callback. The coroutine will	2966	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3007	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3008	our $safe_hole = new Safe::Hole;
2163		3009
2164	$SIG{FPE} = 'IGNORE';	3010	$SIG{FPE} = 'IGNORE';
2165		3011
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3012	$safe->permit_only (Opcode::opset qw(
		3013	:base_core :base_mem :base_orig :base_math
		3014	grepstart grepwhile mapstart mapwhile
		3015	sort time
		3016	));
2167		3017
2168	# here we export the classes and methods available to script code	3018	# here we export the classes and methods available to script code
2169		3019
2170	=pod	3020	=pod
2171		3021
2172	The following functions and methods are available within a safe environment:	3022	The following functions and methods are available within a safe environment:
2173		3023
2174	cf::object contr pay_amount pay_player map	3024	cf::object
		3025	contr pay_amount pay_player map x y force_find force_add destroy
		3026	insert remove name archname title slaying race decrease_ob_nr
		3027
2175	cf::object::player player	3028	cf::object::player
2176	cf::player peaceful	3029	player
2177	cf::map trigger	3030
		3031	cf::player
		3032	peaceful
		3033
		3034	cf::map
		3035	trigger
2178		3036
2179	=cut	3037	=cut
2180		3038
2181	for (	3039	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3040	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3041	insert remove inv name archname title slaying race
		3042	decrease_ob_nr destroy)],
2183	["cf::object::player" => qw(player)],	3043	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3044	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	3045	["cf::map" => qw(trigger)],
2186	) {	3046	) {
2187	no strict 'refs';	3047	no strict 'refs';
…		…
2258	=back	3118	=back
2259		3119
2260	=cut	3120	=cut
2261		3121
2262	#############################################################################	3122	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	3123	# the server's init and main functions
2336		3124
2337	sub load_facedata {	3125	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3126	my ($path) = @_;
		3127
		3128	# HACK to clear player env face cache, we need some signal framework
		3129	# for this (global event?)
		3130	%ext::player_env::MUSIC_FACE_CACHE = ();
		3131
		3132	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3133
2340	warn "loading facedata from $path\n";	3134	warn "loading facedata from $path\n";
2341		3135
2342	my $facedata;	3136	my $facedata;
2343	0 < aio_load $path, $facedata	3137	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3140	$facedata = Coro::Storable::thaw $facedata;
2347		3141
2348	$facedata->{version} == 2	3142	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3143	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3144
		3145	# patch in the exptable
		3146	$facedata->{resource}{"res/exp_table"} = {
		3147	type => FT_RSRC,
		3148	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3149	};
		3150	cf::cede_to_tick;
		3151
2351	{	3152	{
2352	my $faces = $facedata->{faceinfo};	3153	my $faces = $facedata->{faceinfo};
2353		3154
2354	while (my ($face, $info) = each %$faces) {	3155	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3156	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3157
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3158	cf::face::set_visibility $idx, $info->{visibility};
		3159	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3160	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3161	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3162
		3163	cf::cede_to_tick;
2360	}	3164	}
2361		3165
2362	while (my ($face, $info) = each %$faces) {	3166	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3167	next unless $info->{smooth};
		3168
2364	my $idx = cf::face::find $face	3169	my $idx = cf::face::find $face
2365	or next;	3170	or next;
		3171
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3172	if (my $smooth = cf::face::find $info->{smooth}) {
		3173	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3174	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3175	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3176	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3177	}
2371	Coro::cede;	3178
		3179	cf::cede_to_tick;
2372	}	3180	}
2373	}	3181	}
2374		3182
2375	{	3183	{
2376	my $anims = $facedata->{animinfo};	3184	my $anims = $facedata->{animinfo};
2377		3185
2378	while (my ($anim, $info) = each %$anims) {	3186	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3187	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3188	cf::cede_to_tick;
2381	}	3189	}
2382		3190
2383	cf::anim::invalidate_all; # d'oh	3191	cf::anim::invalidate_all; # d'oh
2384	}	3192	}
2385		3193
		3194	{
		3195	# TODO: for gcfclient pleasure, we should give resources
		3196	# that gcfclient doesn't grok a >10000 face index.
		3197	my $res = $facedata->{resource};
		3198
		3199	while (my ($name, $info) = each %$res) {
		3200	if (defined $info->{type}) {
		3201	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3202	my $data;
		3203
		3204	if ($info->{type} & 1) {
		3205	# prepend meta info
		3206
		3207	my $meta = $enc->encode ({
		3208	name => $name,
		3209	%{ $info->{meta} || {} },
		3210	});
		3211
		3212	$data = pack "(w/a*)*", $meta, $info->{data};
		3213	} else {
		3214	$data = $info->{data};
		3215	}
		3216
		3217	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3218	cf::face::set_type $idx, $info->{type};
		3219	} else {
		3220	$RESOURCE{$name} = $info;
		3221	}
		3222
		3223	cf::cede_to_tick;
		3224	}
		3225	}
		3226
		3227	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3228
2386	1	3229	1
2387	}	3230	}
2388		3231
		3232	cf::global->attach (on_resource_update => sub {
		3233	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3234	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3235
		3236	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3237	my $sound = $soundconf->{compat}[$_]
		3238	or next;
		3239
		3240	my $face = cf::face::find "sound/$sound->[1]";
		3241	cf::sound::set $sound->[0] => $face;
		3242	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3243	}
		3244
		3245	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3246	my $face = cf::face::find "sound/$v";
		3247	cf::sound::set $k => $face;
		3248	}
		3249	}
		3250	});
		3251
		3252	register_exticmd fx_want => sub {
		3253	my ($ns, $want) = @_;
		3254
		3255	while (my ($k, $v) = each %$want) {
		3256	$ns->fx_want ($k, $v);
		3257	}
		3258	};
		3259
		3260	sub reload_regions {
		3261	# HACK to clear player env face cache, we need some signal framework
		3262	# for this (global event?)
		3263	%ext::player_env::MUSIC_FACE_CACHE = ();
		3264
		3265	load_resource_file "$MAPDIR/regions"
		3266	or die "unable to load regions file\n";
		3267
		3268	for (cf::region::list) {
		3269	$_->{match} = qr/$_->{match}/
		3270	if exists $_->{match};
		3271	}
		3272	}
		3273
		3274	sub reload_facedata {
		3275	load_facedata "$DATADIR/facedata"
		3276	or die "unable to load facedata\n";
		3277	}
		3278
2389	sub load_archetypes {	3279	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3280	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	3281	or die "unable to load archetypes\n";
		3282	#d# NEED to laod twice to resolve forward references
		3283	# this really needs to be done in an extra post-pass
		3284	# (which needs to be synchronous, so solve it differently)
		3285	load_resource_file "$DATADIR/archetypes"
		3286	or die "unable to load archetypes\n";
2392	}	3287	}
2393		3288
2394	sub load_treasures {	3289	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	3290	load_resource_file "$DATADIR/treasures"
		3291	or die "unable to load treasurelists\n";
2396	}	3292	}
2397		3293
2398	sub reload_resources {	3294	sub reload_resources {
2399	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3295	warn "reloading resource files...\n";
2400	or die "unable to load regions file\n";	3296
		3297	reload_regions;
2401	load_facedata	3298	reload_facedata;
2402	or die "unable to load facedata\n";	3299	#reload_archetypes;#d#
2403	load_archetypes	3300	reload_archetypes;
2404	or die "unable to load archetypes\n";
2405	load_treasures	3301	reload_treasures;
2406	or die "unable to load treasurelists\n";	3302
		3303	warn "finished reloading resource files\n";
2407	}	3304	}
2408		3305
2409	sub init {	3306	sub init {
2410	reload_resources;	3307	reload_resources;
2411	}	3308	}
2412		3309
2413	sub cfg_load {	3310	sub reload_config {
2414	open my $fh, "<:utf8", cf::confdir . "/config"	3311	open my $fh, "<:utf8", "$CONFDIR/config"
2415	or return;	3312	or return;
2416		3313
2417	local $/;	3314	local $/;
2418	*CFG = YAML::Syck::Load <$fh>;	3315	*CFG = YAML::Load <$fh>;
2419		3316
2420	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3317	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2421		3318
2422	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3319	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2423	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3320	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2434	sub main {	3331	sub main {
2435	# we must not ever block the main coroutine	3332	# we must not ever block the main coroutine
2436	local $Coro::idle = sub {	3333	local $Coro::idle = sub {
2437	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3334	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2438	(async {	3335	(async {
2439	Event::one_event;	3336	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3337	EV::loop EV::LOOP_ONESHOT;
2440	})->prio (Coro::PRIO_MAX);	3338	})->prio (Coro::PRIO_MAX);
2441	};	3339	};
2442		3340
2443	cfg_load;	3341	reload_config;
2444	db_init;	3342	db_init;
2445	load_extensions;	3343	load_extensions;
2446		3344
2447	$TICK_WATCHER->start;	3345	$TICK_WATCHER->start;
		3346	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2448	Event::loop;	3347	EV::loop;
2449	}	3348	}
2450		3349
2451	#############################################################################	3350	#############################################################################
2452	# initialisation and cleanup	3351	# initialisation and cleanup
2453		3352
2454	# install some emergency cleanup handlers	3353	# install some emergency cleanup handlers
2455	BEGIN {	3354	BEGIN {
		3355	our %SIGWATCHER = ();
2456	for my $signal (qw(INT HUP TERM)) {	3356	for my $signal (qw(INT HUP TERM)) {
2457	Event->signal (	3357	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2458	reentrant => 0,
2459	data => WF_AUTOCANCEL,
2460	signal => $signal,
2461	prio => 0,
2462	cb => sub {
2463	cf::cleanup "SIG$signal";	3358	cf::cleanup "SIG$signal";
2464	},
2465	);	3359	};
		3360	}
		3361	}
		3362
		3363	sub write_runtime {
		3364	my $runtime = "$LOCALDIR/runtime";
		3365
		3366	# first touch the runtime file to show we are still running:
		3367	# the fsync below can take a very very long time.
		3368
		3369	IO::AIO::aio_utime $runtime, undef, undef;
		3370
		3371	my $guard = cf::lock_acquire "write_runtime";
		3372
		3373	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3374	or return;
		3375
		3376	my $value = $cf::RUNTIME + 90 + 10;
		3377	# 10 is the runtime save interval, for a monotonic clock
		3378	# 60 allows for the watchdog to kill the server.
		3379
		3380	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3381	and return;
		3382
		3383	# always fsync - this file is important
		3384	aio_fsync $fh
		3385	and return;
		3386
		3387	# touch it again to show we are up-to-date
		3388	aio_utime $fh, undef, undef;
		3389
		3390	close $fh
		3391	or return;
		3392
		3393	aio_rename "$runtime~", $runtime
		3394	and return;
		3395
		3396	warn "runtime file written.\n";
		3397
2466	}	3398	1
2467	}	3399	}
2468		3400
2469	sub emergency_save() {	3401	sub emergency_save() {
2470	my $freeze_guard = cf::freeze_mainloop;	3402	my $freeze_guard = cf::freeze_mainloop;
2471		3403
…		…
2477	# and maps saved/destroyed asynchronously.	3409	# and maps saved/destroyed asynchronously.
2478	warn "begin emergency player save\n";	3410	warn "begin emergency player save\n";
2479	for my $login (keys %cf::PLAYER) {	3411	for my $login (keys %cf::PLAYER) {
2480	my $pl = $cf::PLAYER{$login} or next;	3412	my $pl = $cf::PLAYER{$login} or next;
2481	$pl->valid or next;	3413	$pl->valid or next;
		3414	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2482	$pl->save;	3415	$pl->save;
2483	}	3416	}
2484	warn "end emergency player save\n";	3417	warn "end emergency player save\n";
2485		3418
2486	warn "begin emergency map save\n";	3419	warn "begin emergency map save\n";
…		…
2504		3437
2505	warn Carp::longmess "post_cleanup backtrace"	3438	warn Carp::longmess "post_cleanup backtrace"
2506	if $make_core;	3439	if $make_core;
2507	}	3440	}
2508		3441
2509	sub reload() {	3442	sub do_reload_perl() {
2510	# can/must only be called in main	3443	# can/must only be called in main
2511	if ($Coro::current != $Coro::main) {	3444	if ($Coro::current != $Coro::main) {
2512	warn "can only reload from main coroutine";	3445	warn "can only reload from main coroutine";
2513	return;	3446	return;
2514	}	3447	}
…		…
2525	warn "syncing database to disk";	3458	warn "syncing database to disk";
2526	BDB::db_env_txn_checkpoint $DB_ENV;	3459	BDB::db_env_txn_checkpoint $DB_ENV;
2527		3460
2528	# if anything goes wrong in here, we should simply crash as we already saved	3461	# if anything goes wrong in here, we should simply crash as we already saved
2529		3462
2530	warn "cancelling all WF_AUTOCANCEL watchers";
2531	for (Event::all_watchers) {
2532	$_->cancel if $_->data & WF_AUTOCANCEL;
2533	}
2534
2535	warn "flushing outstanding aio requests";	3463	warn "flushing outstanding aio requests";
2536	for (;;) {	3464	for (;;) {
2537	BDB::flush;	3465	BDB::flush;
2538	IO::AIO::flush;	3466	IO::AIO::flush;
2539	Coro::cede;	3467	Coro::cede_notself;
2540	last unless IO::AIO::nreqs || BDB::nreqs;	3468	last unless IO::AIO::nreqs || BDB::nreqs;
2541	warn "iterate...";	3469	warn "iterate...";
2542	}	3470	}
2543		3471
2544	++$RELOAD;	3472	++$RELOAD;
…		…
2548	%EXT_CORO = ();	3476	%EXT_CORO = ();
2549		3477
2550	warn "removing commands";	3478	warn "removing commands";
2551	%COMMAND = ();	3479	%COMMAND = ();
2552		3480
2553	warn "removing ext commands";	3481	warn "removing ext/exti commands";
2554	%EXTCMD = ();	3482	%EXTCMD = ();
		3483	%EXTICMD = ();
2555		3484
2556	warn "unloading/nuking all extensions";	3485	warn "unloading/nuking all extensions";
2557	for my $pkg (@EXTS) {	3486	for my $pkg (@EXTS) {
2558	warn "... unloading $pkg";	3487	warn "... unloading $pkg";
2559		3488
…		…
2589	Symbol::delete_package "safe::$_"	3518	Symbol::delete_package "safe::$_"
2590	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3519	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2591		3520
2592	warn "unloading cf.pm \"a bit\"";	3521	warn "unloading cf.pm \"a bit\"";
2593	delete $INC{"cf.pm"};	3522	delete $INC{"cf.pm"};
		3523	delete $INC{"cf/pod.pm"};
2594		3524
2595	# don't, removes xs symbols, too,	3525	# don't, removes xs symbols, too,
2596	# and global variables created in xs	3526	# and global variables created in xs
2597	#Symbol::delete_package __PACKAGE__;	3527	#Symbol::delete_package __PACKAGE__;
2598		3528
…		…
2601	warn "reloading cf.pm";	3531	warn "reloading cf.pm";
2602	require cf;	3532	require cf;
2603	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3533	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2604		3534
2605	warn "loading config and database again";	3535	warn "loading config and database again";
2606	cf::cfg_load;	3536	cf::reload_config;
2607		3537
2608	warn "loading extensions";	3538	warn "loading extensions";
2609	cf::load_extensions;	3539	cf::load_extensions;
2610		3540
2611	warn "reattaching attachments to objects/players";	3541	warn "reattaching attachments to objects/players";
…		…
2613	warn "reattaching attachments to maps";	3543	warn "reattaching attachments to maps";
2614	reattach $_ for values %MAP;	3544	reattach $_ for values %MAP;
2615	warn "reattaching attachments to players";	3545	warn "reattaching attachments to players";
2616	reattach $_ for values %PLAYER;	3546	reattach $_ for values %PLAYER;
2617		3547
2618	warn "loading reloadable resources";
2619	reload_resources;
2620
2621	warn "leaving sync_job";	3548	warn "leaving sync_job";
2622		3549
2623	1	3550	1
2624	} or do {	3551	} or do {
2625	warn $@;	3552	warn $@;
…		…
2630	warn "reloaded";	3557	warn "reloaded";
2631	};	3558	};
2632		3559
2633	our $RELOAD_WATCHER; # used only during reload	3560	our $RELOAD_WATCHER; # used only during reload
2634		3561
		3562	sub reload_perl() {
		3563	# doing reload synchronously and two reloads happen back-to-back,
		3564	# coro crashes during coro_state_free->destroy here.
		3565
		3566	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3567	undef $RELOAD_WATCHER;
		3568	do_reload_perl;
		3569	};
		3570	}
		3571
2635	register_command "reload" => sub {	3572	register_command "reload" => sub {
2636	my ($who, $arg) = @_;	3573	my ($who, $arg) = @_;
2637		3574
2638	if ($who->flag (FLAG_WIZ)) {	3575	if ($who->flag (FLAG_WIZ)) {
2639	$who->message ("reloading server.");	3576	$who->message ("reloading server.");
2640		3577	async {
2641	# doing reload synchronously and two reloads happen back-to-back,	3578	$Coro::current->{desc} = "perl_reload";
2642	# coro crashes during coro_state_free->destroy here.
2643
2644	$RELOAD_WATCHER ||= Event->timer (
2645	reentrant => 0,
2646	after => 0,
2647	data => WF_AUTOCANCEL,
2648	cb => sub {
2649	reload;	3579	reload_perl;
2650	undef $RELOAD_WATCHER;
2651	},
2652	);	3580	};
2653	}	3581	}
2654	};	3582	};
2655		3583
2656	unshift @INC, $LIBDIR;	3584	unshift @INC, $LIBDIR;
2657		3585
…		…
2676	my $signal = new Coro::Signal;	3604	my $signal = new Coro::Signal;
2677	push @WAIT_FOR_TICK_BEGIN, $signal;	3605	push @WAIT_FOR_TICK_BEGIN, $signal;
2678	$signal->wait;	3606	$signal->wait;
2679	}	3607	}
2680		3608
2681	$TICK_WATCHER = Event->timer (	3609	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2682	reentrant => 0,
2683	parked => 1,
2684	prio => 0,
2685	at => $NEXT_TICK || $TICK,
2686	data => WF_AUTOCANCEL,
2687	cb => sub {
2688	if ($Coro::current != $Coro::main) {	3610	if ($Coro::current != $Coro::main) {
2689	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3611	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2690	unless ++$bug_warning > 10;	3612	unless ++$bug_warning > 10;
2691	return;	3613	return;
2692	}	3614	}
2693		3615
2694	$NOW = Event::time;	3616	$NOW = $tick_start = EV::now;
2695		3617
2696	cf::server_tick; # one server iteration	3618	cf::server_tick; # one server iteration
		3619
2697	$RUNTIME += $TICK;	3620	$RUNTIME += $TICK;
2698	$NEXT_TICK += $TICK;	3621	$NEXT_TICK = $_[0]->at;
2699		3622
2700	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3623	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2701	$NEXT_RUNTIME_WRITE = $NOW + 10;	3624	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2702	Coro::async_pool {	3625	Coro::async_pool {
		3626	$Coro::current->{desc} = "runtime saver";
2703	write_runtime	3627	write_runtime
2704	or warn "ERROR: unable to write runtime file: $!";	3628	or warn "ERROR: unable to write runtime file: $!";
2705	};
2706	}	3629	};
		3630	}
2707		3631
2708	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3632	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2709	$sig->send;	3633	$sig->send;
2710	}	3634	}
2711	while (my $sig = shift @WAIT_FOR_TICK) {	3635	while (my $sig = shift @WAIT_FOR_TICK) {
2712	$sig->send;	3636	$sig->send;
2713	}
2714
2715	# my $AFTER = Event::time;
2716	# warn $AFTER - $NOW;#d#
2717
2718	# if we are delayed by four ticks or more, skip them all
2719	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2720
2721	$TICK_WATCHER->at ($NEXT_TICK);
2722	$TICK_WATCHER->start;
2723	},	3637	}
2724	);	3638
		3639	$LOAD = ($NOW - $tick_start) / $TICK;
		3640	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3641
		3642	_post_tick;
		3643	};
		3644	$TICK_WATCHER->priority (EV::MAXPRI);
2725		3645
2726	{	3646	{
2727	BDB::max_poll_time $TICK * 0.1;	3647	# configure BDB
2728	$BDB_POLL_WATCHER = Event->io (	3648
2729	reentrant => 0,
2730	fd => BDB::poll_fileno,
2731	poll => 'r',
2732	prio => 0,
2733	data => WF_AUTOCANCEL,
2734	cb => \&BDB::poll_cb,
2735	);
2736	BDB::min_parallel 8;	3649	BDB::min_parallel 8;
2737		3650	BDB::max_poll_reqs $TICK * 0.1;
2738	BDB::set_sync_prepare {	3651	$Coro::BDB::WATCHER->priority (1);
2739	my $status;
2740	my $current = $Coro::current;
2741	(
2742	sub {
2743	$status = $!;
2744	$current->ready; undef $current;
2745	},
2746	sub {
2747	Coro::schedule while defined $current;
2748	$! = $status;
2749	},
2750	)
2751	};
2752		3652
2753	unless ($DB_ENV) {	3653	unless ($DB_ENV) {
2754	$DB_ENV = BDB::db_env_create;	3654	$DB_ENV = BDB::db_env_create;
		3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3656	| BDB::LOG_AUTOREMOVE, 1);
		3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2755		3659
2756	cf::sync_job {	3660	cf::sync_job {
2757	eval {	3661	eval {
2758	BDB::db_env_open	3662	BDB::db_env_open
2759	$DB_ENV,	3663	$DB_ENV,
2760	$BDB_ENV_DIR,	3664	$BDBDIR,
2761	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2762	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2763	0666;	3667	0666;
2764		3668
2765	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2766
2767	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2768	$DB_ENV->set_lk_detect;
2769	};	3670	};
2770		3671
2771	cf::cleanup "db_env_open(db): $@" if $@;	3672	cf::cleanup "db_env_open(db): $@" if $@;
2772	};	3673	};
2773	}	3674	}
		3675
		3676	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3677	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3678	};
		3679	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3681	};
		3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3684	};
2774	}	3685	}
2775		3686
2776	{	3687	{
		3688	# configure IO::AIO
		3689
2777	IO::AIO::min_parallel 8;	3690	IO::AIO::min_parallel 8;
2778
2779	undef $Coro::AIO::WATCHER;
2780	IO::AIO::max_poll_time $TICK * 0.1;	3691	IO::AIO::max_poll_time $TICK * 0.1;
2781	$AIO_POLL_WATCHER = Event->io (	3692	$Coro::AIO::WATCHER->priority (1);
2782	reentrant => 0,
2783	data => WF_AUTOCANCEL,
2784	fd => IO::AIO::poll_fileno,
2785	poll => 'r',
2786	prio => 6,
2787	cb => \&IO::AIO::poll_cb,
2788	);
2789	}	3693	}
		3694
		3695	my $_log_backtrace;
		3696
		3697	sub _log_backtrace {
		3698	my ($msg, @addr) = @_;
		3699
		3700	$msg =~ s/\n//;
		3701
		3702	# limit the # of concurrent backtraces
		3703	if ($_log_backtrace < 2) {
		3704	++$_log_backtrace;
		3705	async {
		3706	$Coro::current->{desc} = "abt $msg";
		3707
		3708	my @bt = fork_call {
		3709	@addr = map { sprintf "%x", $_ } @addr;
		3710	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3711	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3712	or die "addr2line: $!";
		3713
		3714	my @funcs;
		3715	my @res = <$fh>;
		3716	chomp for @res;
		3717	while (@res) {
		3718	my ($func, $line) = splice @res, 0, 2, ();
		3719	push @funcs, "[$func] $line";
		3720	}
		3721
		3722	@funcs
		3723	};
		3724
		3725	LOG llevInfo, "[ABT] $msg\n";
		3726	LOG llevInfo, "[ABT] $_\n" for @bt;
		3727	--$_log_backtrace;
		3728	};
		3729	} else {
		3730	LOG llevInfo, "[ABT] $msg\n";
		3731	LOG llevInfo, "[ABT] [suppressed]\n";
		3732	}
		3733	}
		3734
		3735	# load additional modules
		3736	use cf::pod;
2790		3737
2791	END { cf::emergency_save }	3738	END { cf::emergency_save }
2792		3739
2793	1	3740	1
2794		3741

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