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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.246 by root, Tue Apr 17 10:38:28 2007 UTC vs.
Revision 1.398 by root, Wed Dec 5 11:08:34 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
9	use Event;	9	use EV;
10	use Opcode;	10	use Opcode;
11	use Safe;	11	use Safe;
12	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
13		14
14	use Coro 3.61 ();	15	use Coro 4.1 ();
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;
21	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
22		25
		26	use JSON::XS 2.01 ();
23	use BDB ();	27	use BDB ();
24	use Data::Dumper;	28	use Data::Dumper;
25	use Digest::MD5;	29	use Digest::MD5;
26	use Fcntl;	30	use Fcntl;
27	use YAML::Syck ();	31	use YAML::Syck ();
28	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
29	use Time::HiRes;	33	use Time::HiRes;
30	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
31		36
32	# configure various modules to our taste	37	# configure various modules to our taste
33	#	38	#
34	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	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	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		42
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?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
42		45
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		47
…		…
47	our %COMMAND = ();	50	our %COMMAND = ();
48	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
49		52
50	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
54		58
55	our $RELOAD; # number of reloads so far	59	our $RELOAD; # number of reloads so far
56	our @EVENT;	60	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	61
		62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
58		73
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;	75	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	78	our $NEXT_TICK;
64	our $NOW;	79	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	80	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		81
67	our $BDB_POLL_WATCHER;	82	our $BDB_POLL_WATCHER;
		83	our $BDB_DEADLOCK_WATCHER;
		84	our $BDB_CHECKPOINT_WATCHER;
		85	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	86	our $DB_ENV;
69		87
70	our %CFG;	88	our %CFG;
71		89
72	our $UPTIME; $UPTIME ||= time;	90	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	91	our $RUNTIME;
74		92
75	our %PLAYER; # all users	93	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	94	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	95	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		96
81	# used to convert map paths into valid unix filenames by replacing / by ∕	97	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	98	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		99
		100	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		101	our $LOADAVG; # same thing, but with alpha-smoothing
		102	our $tick_start; # for load detecting purposes
		103
84	binmode STDOUT;	104	binmode STDOUT;
85	binmode STDERR;	105	binmode STDERR;
86		106
87	# read virtual server time, if available	107	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	108	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	109	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	110	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	111	$RUNTIME = <$fh> + 0.;
92	}	112	}
93		113
94	mkdir cf::localdir;	114	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	115	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		116
101	our $EMERGENCY_POSITION;	117	our $EMERGENCY_POSITION;
102		118
103	sub cf::map::normalise;	119	sub cf::map::normalise;
104		120
…		…
115	=item $cf::RUNTIME	131	=item $cf::RUNTIME
116		132
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	133	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	134	every server tick.
119		135
120	=item $cf::LIBDIR	136	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		137	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		138	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		139
122	The perl library directory, where extensions and cf-specific modules can	140	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	141	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		142	unique-items directory, player file directory, random maps directory and
		143	database environment.
124		144
125	=item $cf::NOW	145	=item $cf::NOW
126		146
127	The time of the last (current) server tick.	147	The time of the last (current) server tick.
128		148
129	=item $cf::TICK	149	=item $cf::TICK
130		150
131	The interval between server ticks, in seconds.	151	The interval between server ticks, in seconds.
132		152
		153	=item $cf::LOADAVG
		154
		155	The current CPU load on the server (alpha-smoothed), as a value between 0
		156	(none) and 1 (overloaded), indicating how much time is spent on processing
		157	objects per tick. Healthy values are < 0.5.
		158
		159	=item $cf::LOAD
		160
		161	The raw value load value from the last tick.
		162
133	=item %cf::CFG	163	=item %cf::CFG
134		164
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	165	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	166	from wherever your confdir points to.
137		167
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	168	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		169
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	170	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	171	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.	172	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		173
		174	=item @cf::INVOKE_RESULTS
		175
		176	This array contains the results of the last C<invoke ()> call. When
		177	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		178	that call.
		179
144	=back	180	=back
145		181
146	=cut	182	=cut
147		183
148	BEGIN {	184	BEGIN {
149	*CORE::GLOBAL::warn = sub {	185	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	186	my $msg = join "", @_;
151	utf8::encode $msg;
152		187
153	$msg .= "\n"	188	$msg .= "\n"
154	unless $msg =~ /\n$/;	189	unless $msg =~ /\n$/;
		190
		191	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
155		192
156	LOG llevError, $msg;	193	LOG llevError, $msg;
157	};	194	};
158	}	195	}
159		196
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		204
167	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	206	# within the Safe compartment.
169	for my $pkg (qw(	207	for my $pkg (qw(
170	cf::global cf::attachable	208	cf::global cf::attachable
…		…
175	)) {	213	)) {
176	no strict 'refs';	214	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	216	}
179		217
180	$Event::DIED = sub {	218	$EV::DIED = sub {
181	warn "error in event callback: @_";	219	warn "error in event callback: @_";
182	};	220	};
		221
		222	#############################################################################
183		223
184	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
185		225
186	=over 4	226	=over 4
187		227
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	247	$d
208	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
209	}	249	}
210		250
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	251	=item $ref = cf::decode_json $json
214		252
215	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
216		254
217	=item $json = cf::to_json $ref	255	=item $json = cf::encode_json $ref
218		256
219	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
		258
		259	=cut
		260
		261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		262
		263	sub encode_json($) { $json_coder->encode ($_[0]) }
		264	sub decode_json($) { $json_coder->decode ($_[0]) }
220		265
221	=item cf::lock_wait $string	266	=item cf::lock_wait $string
222		267
223	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
224		269
…		…
227	Wait until the given lock is available and then acquires it and returns	272	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,	273	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	274	for example when the coroutine gets canceled), the lock is automatically
230	returned.	275	returned.
231		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
232	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
234		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
235	=cut	287	=cut
236		288
237	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
238		291
239	sub lock_wait($) {	292	sub lock_wait($) {
240	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
241		299
242	# wait for lock, if any	300	# wait for lock, if any
243	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	303	Coro::schedule;
…		…
251		309
252	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
253	lock_wait $key;	311	lock_wait $key;
254		312
255	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
256		315
257	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
260	}	320	}
		321	}
		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
261	}	327	}
262		328
263	sub freeze_mainloop {	329	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
265		331
…		…
268	};	334	};
269	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
270	$guard	336	$guard
271	}	337	}
272		338
		339	=item cf::periodic $interval, $cb
		340
		341	Like EV::periodic, but randomly selects a starting point so that the actions
		342	get spread over timer.
		343
		344	=cut
		345
		346	sub periodic($$) {
		347	my ($interval, $cb) = @_;
		348
		349	my $start = rand List::Util::min 180, $interval;
		350
		351	EV::periodic $start, $interval, 0, $cb
		352	}
		353
		354	=item cf::get_slot $time[, $priority[, $name]]
		355
		356	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		357	This call blocks and returns only when you have at least C<$time> seconds
		358	of cpu time till the next tick. The slot is only valid till the next cede.
		359
		360	The optional C<$name> can be used to identify the job to run. It might be
		361	used for statistical purposes and should identify the same time-class.
		362
		363	Useful for short background jobs.
		364
		365	=cut
		366
		367	our @SLOT_QUEUE;
		368	our $SLOT_QUEUE;
		369
		370	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		371	$SLOT_QUEUE = Coro::async {
		372	$Coro::current->desc ("timeslot manager");
		373
		374	my $signal = new Coro::Signal;
		375
		376	while () {
		377	next_job:
		378	my $avail = cf::till_tick;
		379	if ($avail > 0.01) {
		380	for (0 .. $#SLOT_QUEUE) {
		381	if ($SLOT_QUEUE[$_][0] < $avail) {
		382	my $job = splice @SLOT_QUEUE, $_, 1, ();
		383	$job->[2]->send;
		384	Coro::cede;
		385	goto next_job;
		386	}
		387	}
		388	}
		389
		390	if (@SLOT_QUEUE) {
		391	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		392	push @cf::WAIT_FOR_TICK, $signal;
		393	$signal->wait;
		394	} else {
		395	Coro::schedule;
		396	}
		397	}
		398	};
		399
		400	sub get_slot($;$$) {
		401	my ($time, $pri, $name) = @_;
		402
		403	$time = $TICK * .6 if $time > $TICK * .6;
		404	my $sig = new Coro::Signal;
		405
		406	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		407	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		408	$SLOT_QUEUE->ready;
		409	$sig->wait;
		410	}
		411
273	=item cf::async { BLOCK }	412	=item cf::async { BLOCK }
274		413
275	Currently the same as Coro::async_pool, meaning you cannot use	414	Currently the same as Coro::async_pool, meaning you cannot use
276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	415	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
277	thing you are allowed to do is call C<prio> on it.	416	thing you are allowed to do is call C<prio> on it.
…		…
280		419
281	BEGIN { *async = \&Coro::async_pool }	420	BEGIN { *async = \&Coro::async_pool }
282		421
283	=item cf::sync_job { BLOCK }	422	=item cf::sync_job { BLOCK }
284		423
285	The design of crossfire+ requires that the main coro ($Coro::main) is	424	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	425	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	426	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		427	acceptable.
288		428
289	If it must be done, put the blocking parts into C<sync_job>. This will run	429	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	430	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	431	server will be frozen during this time, so the block should either finish
292	fast or be very important.	432	fast or be very important.
…		…
295		435
296	sub sync_job(&) {	436	sub sync_job(&) {
297	my ($job) = @_;	437	my ($job) = @_;
298		438
299	if ($Coro::current == $Coro::main) {	439	if ($Coro::current == $Coro::main) {
		440	my $time = EV::time;
		441
300	# this is the main coro, too bad, we have to block	442	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	443	# till the operation succeeds, freezing the server :/
302		444
		445	LOG llevError, Carp::longmess "sync job";#d#
		446
303	# TODO: use suspend/resume instead	447	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	448	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	449	my $freeze_guard = freeze_mainloop;
306		450
307	my $busy = 1;	451	my $busy = 1;
308	my @res;	452	my @res;
309		453
310	(async {	454	(async {
		455	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	456	@res = eval { $job->() };
312	warn $@ if $@;	457	warn $@ if $@;
313	undef $busy;	458	undef $busy;
314	})->prio (Coro::PRIO_MAX);	459	})->prio (Coro::PRIO_MAX);
315		460
316	while ($busy) {	461	while ($busy) {
317	Coro::cede or Event::one_event;	462	if (Coro::nready) {
		463	Coro::cede_notself;
		464	} else {
		465	EV::loop EV::LOOP_ONESHOT;
318	}	466	}
		467	}
		468
		469	$time = EV::time - $time;
		470
		471	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		472	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		473
		474	$tick_start += $time; # do not account sync jobs to server load
319		475
320	wantarray ? @res : $res[0]	476	wantarray ? @res : $res[0]
321	} else {	477	} else {
322	# we are in another coroutine, how wonderful, everything just works	478	# we are in another coroutine, how wonderful, everything just works
323		479
…		…
343	$EXT_CORO{$coro+0} = $coro;	499	$EXT_CORO{$coro+0} = $coro;
344		500
345	$coro	501	$coro
346	}	502	}
347		503
348	sub write_runtime {	504	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		505
351	my $runtime = cf::localdir . "/runtime";	506	Executes the given code block with the given arguments in a seperate
		507	process, returning the results. Everything must be serialisable with
		508	Coro::Storable. May, of course, block. Note that the executed sub may
		509	never block itself or use any form of event handling.
352		510
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	511	=cut
354	or return;
355		512
356	my $value = $cf::RUNTIME + 90 + 10;	513	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	514	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		515
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	516	# we seemingly have to make a local copy of the whole thing,
361	and return;	517	# otherwise perl prematurely frees the stuff :/
		518	# TODO: investigate and fix (likely this will be rather laborious)
362		519
363	# always fsync - this file is important	520	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	521	reset_signals;
365	and return;	522	&$cb
		523	}, @args;
366		524
367	close $fh	525	wantarray ? @res : $res[-1]
368	or return;	526	}
369		527
370	aio_rename "$runtime~", $runtime	528	=item $value = cf::db_get $family => $key
371	and return;
372		529
		530	Returns a single value from the environment database.
		531
		532	=item cf::db_put $family => $key => $value
		533
		534	Stores the given C<$value> in the family. It can currently store binary
		535	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		536
		537	=item $db = cf::db_table "name"
		538
		539	Create and/or open a new database table. The string must not be "db" and must be unique
		540	within each server.
		541
		542	=cut
		543
		544	sub db_table($) {
		545	my ($name) = @_;
		546	my $db = BDB::db_create $DB_ENV;
		547
		548	eval {
		549	$db->set_flags (BDB::CHKSUM);
		550
		551	utf8::encode $name;
		552	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		553	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		554	cf::cleanup "db_open(db): $!" if $!;
		555	};
		556	cf::cleanup "db_open(db): $@" if $@;
		557
		558	$db
		559	}
		560
		561	our $DB;
		562
		563	sub db_init {
		564	cf::sync_job {
		565	$DB ||= db_table "db";
		566	};
		567	}
		568
		569	sub db_get($$) {
		570	my $key = "$_[0]/$_[1]";
		571
		572	cf::sync_job {
		573	BDB::db_get $DB, undef, $key, my $data;
		574
		575	$! ? ()
		576	: $data
373	1	577	}
		578	}
		579
		580	sub db_put($$$) {
		581	BDB::dbreq_pri 4;
		582	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		583	}
		584
		585	=item cf::cache $id => [$paths...], $processversion => $process
		586
		587	Generic caching function that returns the value of the resource $id,
		588	caching and regenerating as required.
		589
		590	This function can block.
		591
		592	=cut
		593
		594	sub cache {
		595	my ($id, $src, $processversion, $process) = @_;
		596
		597	my $meta =
		598	join "\x00",
		599	$processversion,
		600	map {
		601	aio_stat $_
		602	and Carp::croak "$_: $!";
		603
		604	($_, (stat _)[7,9])
		605	} @$src;
		606
		607	my $dbmeta = db_get cache => "$id/meta";
		608	if ($dbmeta ne $meta) {
		609	# changed, we may need to process
		610
		611	my @data;
		612	my $md5;
		613
		614	for (0 .. $#$src) {
		615	0 <= aio_load $src->[$_], $data[$_]
		616	or Carp::croak "$src->[$_]: $!";
		617	}
		618
		619	# if processing is expensive, check
		620	# checksum first
		621	if (1) {
		622	$md5 =
		623	join "\x00",
		624	$processversion,
		625	map {
		626	cf::cede_to_tick;
		627	($src->[$_], Digest::MD5::md5_hex $data[$_])
		628	} 0.. $#$src;
		629
		630
		631	my $dbmd5 = db_get cache => "$id/md5";
		632	if ($dbmd5 eq $md5) {
		633	db_put cache => "$id/meta", $meta;
		634
		635	return db_get cache => "$id/data";
		636	}
		637	}
		638
		639	my $t1 = Time::HiRes::time;
		640	my $data = $process->(\@data);
		641	my $t2 = Time::HiRes::time;
		642
		643	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		644
		645	db_put cache => "$id/data", $data;
		646	db_put cache => "$id/md5" , $md5;
		647	db_put cache => "$id/meta", $meta;
		648
		649	return $data;
		650	}
		651
		652	db_get cache => "$id/data"
374	}	653	}
375		654
376	=item cf::datalog type => key => value, ...	655	=item cf::datalog type => key => value, ...
377		656
378	Log a datalog packet of the given type with the given key-value pairs.	657	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")	675	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	676	to it. All such attachable objects support the following methods.
398		677
399	In the following description, CLASS can be any of C<global>, C<object>	678	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	679	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	680	Deliantra).
402		681
403	=over 4	682	=over 4
404		683
405	=item $attachable->attach ($attachment, key => $value...)	684	=item $attachable->attach ($attachment, key => $value...)
406		685
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	848	$registry = $CB_TYPE[$object_type] ||= [];
570		849
571	} elsif ($type eq "subtype") {	850	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	851	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	852	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	853	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		854
576	} elsif ($type eq "package") {	855	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	856	my $pkg = shift @arg;
578		857
579	while (my ($name, $id) = each %cb_id) {	858	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	887	_attach $registry, $klass, @attach;
609	}	888	}
610		889
611	$obj->{$name} = \%arg;	890	$obj->{$name} = \%arg;
612	} else {	891	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	892	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	893	}
615		894
616	$obj->{_attachment}{$name} = undef;	895	$obj->{_attachment}{$name} = undef;
617	}	896	}
618		897
…		…
620	if (ref $_[0]) {	899	if (ref $_[0]) {
621	_object_attach @_;	900	_object_attach @_;
622	} else {	901	} else {
623	_attach shift->_attach_registry, @_;	902	_attach shift->_attach_registry, @_;
624	}	903	}
		904	_recalc_want;
625	};	905	};
626		906
627	# all those should be optimised	907	# all those should be optimised
628	sub cf::attachable::detach {	908	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	909	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	912	delete $obj->{_attachment}{$name};
633	reattach ($obj);	913	reattach ($obj);
634	} else {	914	} else {
635	Carp::croak "cannot, currently, detach class attachments";	915	Carp::croak "cannot, currently, detach class attachments";
636	}	916	}
		917	_recalc_want;
637	};	918	};
638		919
639	sub cf::attachable::attached {	920	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	921	my ($obj, $name) = @_;
641		922
…		…
656	";	937	";
657	die if $@;	938	die if $@;
658	}	939	}
659		940
660	our $override;	941	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	942	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		943
663	sub override {	944	sub override {
664	$override = 1;	945	$override = 1;
665	@invoke_results = ();	946	@INVOKE_RESULTS = (@_);
666	}	947	}
667		948
668	sub do_invoke {	949	sub do_invoke {
669	my $event = shift;	950	my $event = shift;
670	my $callbacks = shift;	951	my $callbacks = shift;
671		952
672	@invoke_results = ();	953	@INVOKE_RESULTS = ();
673		954
674	local $override;	955	local $override;
675		956
676	for (@$callbacks) {	957	for (@$callbacks) {
677	eval { &{$_->[1]} };	958	eval { &{$_->[1]} };
…		…
694		975
695	Generate an object-specific event with the given arguments.	976	Generate an object-specific event with the given arguments.
696		977
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	978	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	979	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	980	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		981
701	=back	982	=back
702		983
703	=cut	984	=cut
704		985
705	#############################################################################	986	#############################################################################
706	# object support	987	# object support
		988
		989	sub _object_equal($$);
		990	sub _object_equal($$) {
		991	my ($a, $b) = @_;
		992
		993	return 0 unless (ref $a) eq (ref $b);
		994
		995	if ("HASH" eq ref $a) {
		996	my @ka = keys %$a;
		997	my @kb = keys %$b;
		998
		999	return 0 if @ka != @kb;
		1000
		1001	for (0 .. $#ka) {
		1002	return 0 unless $ka[$_] eq $kb[$_];
		1003	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1004	}
		1005
		1006	} elsif ("ARRAY" eq ref $a) {
		1007
		1008	return 0 if @$a != @$b;
		1009
		1010	for (0 .. $#$a) {
		1011	return 0 unless _object_equal $a->[$_], $b->[$_];
		1012	}
		1013
		1014	} elsif ($a ne $b) {
		1015	return 0;
		1016	}
		1017
		1018	1
		1019	}
		1020
		1021	our $SLOW_MERGES;#d#
		1022	sub _can_merge {
		1023	my ($ob1, $ob2) = @_;
		1024
		1025	++$SLOW_MERGES;#d#
		1026
		1027	# we do the slow way here
		1028	return _object_equal $ob1, $ob2
		1029	}
707		1030
708	sub reattach {	1031	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1032	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1033	my ($obj) = @_;
711		1034
…		…
732	cf::attachable->attach (	1055	cf::attachable->attach (
733	prio => -1000000,	1056	prio => -1000000,
734	on_instantiate => sub {	1057	on_instantiate => sub {
735	my ($obj, $data) = @_;	1058	my ($obj, $data) = @_;
736		1059
737	$data = from_json $data;	1060	$data = decode_json $data;
738		1061
739	for (@$data) {	1062	for (@$data) {
740	my ($name, $args) = @$_;	1063	my ($name, $args) = @$_;
741		1064
742	$obj->attach ($name, %{$args || {} });	1065	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1081	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1082	my ($filename, $rdata, $objs) = @_;
760		1083
761	sync_job {	1084	sync_job {
762	if (length $$rdata) {	1085	if (length $$rdata) {
		1086	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1087	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1088	$decname, length $$rdata, scalar @$objs;
765		1089
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1091	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1093	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1094	close $fh;
771		1095
772	if (@$objs) {	1096	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1100	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1101	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1102	close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1103	aio_rename "$filename.pst~", "$filename.pst";
780	}	1104	}
…		…
788	}	1112	}
789	} else {	1113	} else {
790	aio_unlink $filename;	1114	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1115	aio_unlink "$filename.pst";
792	}	1116	}
793	}	1117	};
794	}	1118	}
795		1119
796	sub object_freezer_as_string {	1120	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1121	my ($rdata, $objs) = @_;
798		1122
…		…
810	or return;	1134	or return;
811		1135
812	unless (aio_stat "$filename.pst") {	1136	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1137	(aio_load "$filename.pst", $av) >= 0
814	or return;	1138	or return;
		1139
815	$av = eval { (Storable::thaw $av)->{objs} };	1140	my $st = eval { Coro::Storable::thaw $av };
		1141	$av = $st->{objs};
816	}	1142	}
817		1143
		1144	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1145	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1146	$decname, length $data, scalar @{$av || []};
		1147
820	return ($data, $av);	1148	($data, $av)
821	}	1149	}
		1150
		1151	=head2 COMMAND CALLBACKS
		1152
		1153	=over 4
		1154
		1155	=cut
822		1156
823	#############################################################################	1157	#############################################################################
824	# command handling &c	1158	# command handling &c
825		1159
826	=item cf::register_command $name => \&callback($ob,$args);	1160	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1173	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1174	}
841		1175
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1176	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1177
844	Register a callbackf ro execution when the client sends an extcmd packet.	1178	Register a callback for execution when the client sends an (synchronous)
		1179	extcmd packet. Ext commands will be processed in the order they are
		1180	received by the server, like other user commands. The first argument is
		1181	the logged-in player. Ext commands can only be processed after a player
		1182	has logged in successfully.
845		1183
846	If the callback returns something, it is sent back as if reply was being	1184	If the callback returns something, it is sent back as if reply was being
847	called.	1185	called.
848		1186
		1187	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1188
		1189	Register a callback for execution when the client sends an (asynchronous)
		1190	exticmd packet. Exti commands are processed by the server as soon as they
		1191	are received, i.e. out of order w.r.t. other commands. The first argument
		1192	is a client socket. Exti commands can be received anytime, even before
		1193	log-in.
		1194
		1195	If the callback returns something, it is sent back as if reply was being
		1196	called.
		1197
849	=cut	1198	=cut
850		1199
851	sub register_extcmd {	1200	sub register_extcmd {
852	my ($name, $cb) = @_;	1201	my ($name, $cb) = @_;
853		1202
854	$EXTCMD{$name} = $cb;	1203	$EXTCMD{$name} = $cb;
		1204	}
		1205
		1206	sub register_exticmd {
		1207	my ($name, $cb) = @_;
		1208
		1209	$EXTICMD{$name} = $cb;
855	}	1210	}
856		1211
857	cf::player->attach (	1212	cf::player->attach (
858	on_command => sub {	1213	on_command => sub {
859	my ($pl, $name, $params) = @_;	1214	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1223	cf::override;
869	},	1224	},
870	on_extcmd => sub {	1225	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1226	my ($pl, $buf) = @_;
872		1227
873	my $msg = eval { from_json $buf };	1228	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1229
875	if (ref $msg) {	1230	if (ref $msg) {
		1231	my ($type, $reply, @payload) =
		1232	"ARRAY" eq ref $msg
		1233	? @$msg
		1234	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1235
		1236	my @reply;
		1237
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1238	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1239	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1240	}
		1241
		1242	$pl->ext_reply ($reply, @reply)
		1243	if $reply;
		1244
881	} else {	1245	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1247	}
884		1248
885	cf::override;	1249	cf::override;
886	},	1250	},
887	);	1251	);
888		1252
889	sub load_extension {
890	my ($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 {	1253	sub load_extensions {
		1254	cf::sync_job {
		1255	my %todo;
		1256
924	for my $ext (<$LIBDIR/*.ext>) {	1257	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1258	next unless -r $path;
926	eval {	1259
927	load_extension $ext;	1260	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1261	my $base = $1;
		1262	my $pkg = $1;
		1263	$pkg =~ s/[^[:word:]]/_/g;
		1264	$pkg = "ext::$pkg";
		1265
		1266	open my $fh, "<:utf8", $path
		1267	or die "$path: $!";
		1268
		1269	my $source = do { local $/; <$fh> };
		1270
		1271	my %ext = (
		1272	path => $path,
		1273	base => $base,
		1274	pkg => $pkg,
		1275	);
		1276
		1277	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1278	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1279
		1280	$ext{source} =
		1281	"package $pkg; use strict; use utf8;\n"
		1282	. "#line 1 \"$path\"\n{\n"
		1283	. $source
		1284	. "\n};\n1";
		1285
		1286	$todo{$base} = \%ext;
		1287	}
		1288
		1289	my %done;
		1290	while (%todo) {
		1291	my $progress;
		1292
		1293	while (my ($k, $v) = each %todo) {
		1294	for (split /,\s*/, $v->{meta}{depends}) {
		1295	goto skip
		1296	unless exists $done{$_};
		1297	}
		1298
		1299	warn "... loading '$k' into '$v->{pkg}'\n";
		1300
		1301	unless (eval $v->{source}) {
		1302	my $msg = $@ ? "$v->{path}: $@\n"
		1303	: "$v->{base}: extension inactive.\n";
		1304
		1305	if (exists $v->{meta}{mandatory}) {
		1306	warn $msg;
		1307	warn "mandatory extension failed to load, exiting.\n";
		1308	exit 1;
		1309	}
		1310
		1311	warn $msg;
		1312	}
		1313
		1314	$done{$k} = delete $todo{$k};
		1315	push @EXTS, $v->{pkg};
		1316	$progress = 1;
928	1	1317	}
929	} or warn "$ext not loaded: $@";	1318
		1319	skip:
		1320	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1321	unless $progress;
		1322	}
930	}	1323	};
931	}	1324	}
932		1325
933	#############################################################################	1326	#############################################################################
934		1327
		1328	=back
		1329
935	=head2 CORE EXTENSIONS	1330	=head2 CORE EXTENSIONS
936		1331
937	Functions and methods that extend core crossfire objects.	1332	Functions and methods that extend core crossfire objects.
938		1333
939	=cut	1334	=cut
…		…
944		1339
945	=head3 cf::player	1340	=head3 cf::player
946		1341
947	=over 4	1342	=over 4
948		1343
		1344	=item cf::player::num_playing
		1345
		1346	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1347
		1348	=cut
		1349
		1350	sub num_playing {
		1351	scalar grep
		1352	$_->ob->map
		1353	&& !$_->hidden
		1354	&& !$_->ob->flag (cf::FLAG_WIZ),
		1355	cf::player::list
		1356	}
		1357
949	=item cf::player::find $login	1358	=item cf::player::find $login
950		1359
951	Returns the given player object, loading it if necessary (might block).	1360	Returns the given player object, loading it if necessary (might block).
952		1361
953	=cut	1362	=cut
954		1363
955	sub playerdir($) {	1364	sub playerdir($) {
956	cf::localdir	1365	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1366	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1367	}
962		1368
963	sub path($) {	1369	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1370	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1397	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1398	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1399	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1400	aio_unlink +(playerdir $login) . "/$login.pl";
995		1401
996	my $pl = load_pl path $login	1402	my $f = new_from_file cf::object::thawer path $login
997	or return;	1403	or return;
		1404
		1405	my $pl = cf::player::load_pl $f
		1406	or return;
		1407	local $cf::PLAYER_LOADING{$login} = $pl;
		1408	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1409	$cf::PLAYER{$login} = $pl
999	}	1410	}
1000	}	1411	}
1001	}	1412	}
1002		1413
…		…
1012		1423
1013	aio_mkdir playerdir $pl, 0770;	1424	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1425	$pl->{last_save} = $cf::RUNTIME;
1015		1426
1016	$pl->save_pl ($path);	1427	$pl->save_pl ($path);
1017	Coro::cede;	1428	cf::cede_to_tick;
1018	}	1429	}
1019		1430
1020	sub new($) {	1431	sub new($) {
1021	my ($login) = @_;	1432	my ($login) = @_;
1022		1433
…		…
1026	$self->{deny_save} = 1;	1437	$self->{deny_save} = 1;
1027		1438
1028	$cf::PLAYER{$login} = $self;	1439	$cf::PLAYER{$login} = $self;
1029		1440
1030	$self	1441	$self
		1442	}
		1443
		1444	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1445
		1446	=cut
		1447
		1448	sub send_msg {
		1449	my $ns = shift->ns
		1450	or return;
		1451	$ns->send_msg (@_);
1031	}	1452	}
1032		1453
1033	=item $pl->quit_character	1454	=item $pl->quit_character
1034		1455
1035	Nukes the player without looking back. If logged in, the connection will	1456	Nukes the player without looking back. If logged in, the connection will
…		…
1084	while and may block, so not sync_job-capable, ever.	1505	while and may block, so not sync_job-capable, ever.
1085		1506
1086	=cut	1507	=cut
1087		1508
1088	sub list_logins {	1509	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1510	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1511	or return [];
1091		1512
1092	my @logins;	1513	my @logins;
1093		1514
1094	for my $login (@$dirs) {	1515	for my $login (@$dirs) {
		1516	my $path = path $login;
		1517
		1518	# a .pst is a dead give-away for a valid player
		1519	unless (-e "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1521	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1522	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1523	}
1098		1524
1099	utf8::decode $login;	1525	utf8::decode $login;
1100	push @logins, $login;	1526	push @logins, $login;
1101	}	1527	}
1102		1528
…		…
1129	}	1555	}
1130		1556
1131	\@paths	1557	\@paths
1132	}	1558	}
1133		1559
		1560	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1561
		1562	Expand crossfire pod fragments into protocol xml.
		1563
		1564	=cut
		1565
		1566	use re 'eval';
		1567
		1568	my $group;
		1569	my $interior; $interior = qr{
		1570	# match a pod interior sequence sans C<< >>
		1571	(?:
		1572	\ (.*?)\ (?{ $group = $^N })
		1573	| < (??{$interior}) >
		1574	)
		1575	}x;
		1576
		1577	sub expand_cfpod {
		1578	my ($self, $pod) = @_;
		1579
		1580	my $xml;
		1581
		1582	while () {
		1583	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1584	$group = $1;
		1585
		1586	$group =~ s/&/&amp;/g;
		1587	$group =~ s/</&lt;/g;
		1588
		1589	$xml .= $group;
		1590	} elsif ($pod =~ m%\G
		1591	([BCGHITU])
		1592	<
		1593	(?:
		1594	([^<>]*) (?{ $group = $^N })
		1595	| < $interior >
		1596	)
		1597	>
		1598	%gcsx
		1599	) {
		1600	my ($code, $data) = ($1, $group);
		1601
		1602	if ($code eq "B") {
		1603	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1604	} elsif ($code eq "I") {
		1605	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1606	} elsif ($code eq "U") {
		1607	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1608	} elsif ($code eq "C") {
		1609	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1610	} elsif ($code eq "T") {
		1611	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1612	} elsif ($code eq "G") {
		1613	my ($male, $female) = split /\|/, $data;
		1614	$data = $self->gender ? $female : $male;
		1615	$xml .= expand_cfpod ($self, $data);
		1616	} elsif ($code eq "H") {
		1617	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1618	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1619	"")
		1620	[$self->{hintmode}];
		1621	} else {
		1622	$xml .= "error processing '$code($data)' directive";
		1623	}
		1624	} else {
		1625	if ($pod =~ /\G(.+)/) {
		1626	warn "parse error while expanding $pod (at $1)";
		1627	}
		1628	last;
		1629	}
		1630	}
		1631
		1632	for ($xml) {
		1633	# create single paragraphs (very hackish)
		1634	s/(?<=\S)\n(?=\w)/ /g;
		1635
		1636	# compress some whitespace
		1637	s/\s+\n/\n/g; # ws line-ends
		1638	s/\n\n+/\n/g; # double lines
		1639	s/^\n+//; # beginning lines
		1640	s/\n+$//; # ending lines
		1641	}
		1642
		1643	$xml
		1644	}
		1645
		1646	no re 'eval';
		1647
		1648	sub hintmode {
		1649	$_[0]{hintmode} = $_[1] if @_ > 1;
		1650	$_[0]{hintmode}
		1651	}
		1652
1134	=item $player->ext_reply ($msgid, %msg)	1653	=item $player->ext_reply ($msgid, @msg)
1135		1654
1136	Sends an ext reply to the player.	1655	Sends an ext reply to the player.
1137		1656
1138	=cut	1657	=cut
1139		1658
1140	sub ext_reply($$%) {	1659	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1660	my ($self, $id, @msg) = @_;
1142		1661
1143	$msg{msgid} = $id;	1662	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1663	}
1147		1664
1148	=item $player->ext_event ($type, %msg)	1665	=item $player->ext_msg ($type, @msg)
1149		1666
1150	Sends an ext event to the client.	1667	Sends an ext event to the client.
1151		1668
1152	=cut	1669	=cut
1153		1670
1154	sub ext_event($$%) {	1671	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1672	my ($self, $type, @msg) = @_;
1156		1673
1157	$self->ns->ext_event ($type, %msg);	1674	$self->ns->ext_msg ($type, @msg);
1158	}	1675	}
1159		1676
1160	=head3 cf::region	1677	=head3 cf::region
1161		1678
1162	=over 4	1679	=over 4
…		…
1165		1682
1166	package cf::region;	1683	package cf::region;
1167		1684
1168	=item cf::region::find_by_path $path	1685	=item cf::region::find_by_path $path
1169		1686
1170	Tries to decuce the probable region for a map knowing only its path.	1687	Tries to decuce the likely region for a map knowing only its path.
1171		1688
1172	=cut	1689	=cut
1173		1690
1174	sub find_by_path($) {	1691	sub find_by_path($) {
1175	my ($path) = @_;	1692	my ($path) = @_;
1176		1693
1177	my ($match, $specificity);	1694	my ($match, $specificity);
1178		1695
1179	for my $region (list) {	1696	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1697	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1698	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1699	if $region->specificity > $specificity;
1183	}	1700	}
1184	}	1701	}
1185		1702
…		…
1249	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1250		1767
1251	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1252	local $self->{path};	1769	local $self->{path};
1253	local $self->{load_path};	1770	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1771
1257	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1258	}	1773	}
1259		1774
1260	sub normalise {	1775	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1308	return $self;	1823	return $self;
1309	}	1824	}
1310	}	1825	}
1311		1826
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1828	()
1314	}	1829	}
1315		1830
1316	sub init {	1831	sub init {
1317	my ($self) = @_;	1832	my ($self) = @_;
…		…
1332		1847
1333	# the original (read-only) location	1848	# the original (read-only) location
1334	sub load_path {	1849	sub load_path {
1335	my ($self) = @_;	1850	my ($self) = @_;
1336		1851
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1852	"$MAPDIR/$self->{path}.map"
1338	}	1853	}
1339		1854
1340	# the temporary/swap location	1855	# the temporary/swap location
1341	sub save_path {	1856	sub save_path {
1342	my ($self) = @_;	1857	my ($self) = @_;
1343		1858
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1860	"$TMPDIR/$path.map"
1346	}	1861	}
1347		1862
1348	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1349	sub uniq_path {	1864	sub uniq_path {
1350	my ($self) = @_;	1865	my ($self) = @_;
1351		1866
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1868	"$UNIQUEDIR/$path"
1354	}	1869	}
1355		1870
1356	# and all this just because we cannot iterate over	1871	# and all this just because we cannot iterate over
1357	# all maps in C++...	1872	# all maps in C++...
1358	sub change_all_map_light {	1873	sub change_all_map_light {
…		…
1360		1875
1361	$_->change_map_light ($change)	1876	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1877	for grep $_->outdoor, values %cf::MAP;
1363	}	1878	}
1364		1879
		1880	sub decay_objects {
		1881	my ($self) = @_;
		1882
		1883	return if $self->{deny_reset};
		1884
		1885	$self->do_decay_objects;
		1886	}
		1887
1365	sub unlink_save {	1888	sub unlink_save {
1366	my ($self) = @_;	1889	my ($self) = @_;
1367		1890
1368	utf8::encode (my $save = $self->save_path);	1891	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1892	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1895
1373	sub load_header_from($) {	1896	sub load_header_from($) {
1374	my ($self, $path) = @_;	1897	my ($self, $path) = @_;
1375		1898
1376	utf8::encode $path;	1899	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1900	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1901	or return;
		1902
		1903	$self->_load_header ($f)
		1904	or return;
		1905
		1906	local $MAP_LOADING{$self->{path}} = $self;
		1907	$f->resolve_delayed_derefs;
1382		1908
1383	$self->{load_path} = $path;	1909	$self->{load_path} = $path;
1384		1910
1385	1	1911	1
1386	}	1912	}
…		…
1425	$self->load_header_orig	1951	$self->load_header_orig
1426	or return;	1952	or return;
1427	$self->prepare_orig;	1953	$self->prepare_orig;
1428	}	1954	}
1429		1955
		1956	$self->{deny_reset} = 1
		1957	if $self->no_reset;
		1958
1430	$self->default_region (cf::region::find_by_path $self->{path})	1959	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1960	unless $self->default_region;
1432		1961
1433	1	1962	1
1434	}	1963	}
…		…
1437	sub find {	1966	sub find {
1438	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1439		1968
1440	$path = normalise $path, $origin && $origin->path;	1969	$path = normalise $path, $origin && $origin->path;
1441		1970
		1971	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1972	cf::lock_wait "map_find:$path";
1443		1973
1444	$cf::MAP{$path} || do {	1974	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";	1975	my $guard1 = cf::lock_acquire "map_find:$path";
		1976	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1977
1446	my $map = new_from_path cf::map $path	1978	my $map = new_from_path cf::map $path
1447	or return;	1979	or return;
1448		1980
1449	$map->{last_save} = $cf::RUNTIME;	1981	$map->{last_save} = $cf::RUNTIME;
1450		1982
1451	$map->load_header	1983	$map->load_header
1452	or return;	1984	or return;
1453		1985
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1987	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1988	#$cf::WAIT_FOR_TICK->wait;
		1989	undef $guard1;
		1990	undef $guard2;
1457	$map->reset;	1991	$map->reset;
1458	undef $guard;
1459	return find $path;	1992	return find $path;
1460	}	1993	}
1461		1994
1462	$cf::MAP{$path} = $map	1995	$cf::MAP{$path} = $map
1463	}	1996	}
…		…
1470	my ($self) = @_;	2003	my ($self) = @_;
1471		2004
1472	local $self->{deny_reset} = 1; # loading can take a long time	2005	local $self->{deny_reset} = 1; # loading can take a long time
1473		2006
1474	my $path = $self->{path};	2007	my $path = $self->{path};
		2008
		2009	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2010	my $guard = cf::lock_acquire "map_data:$path";
1476		2011
		2012	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2013	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2014
1479	$self->in_memory (cf::MAP_LOADING);	2015	$self->in_memory (cf::MAP_LOADING);
1480		2016
1481	$self->alloc;	2017	$self->alloc;
1482		2018
1483	$self->pre_load;	2019	$self->pre_load;
1484	Coro::cede;	2020	cf::cede_to_tick;
1485		2021
1486	$self->_load_objects ($self->{load_path}, 1)	2022	my $f = new_from_file cf::object::thawer $self->{load_path};
		2023	$f->skip_block;
		2024	$self->_load_objects ($f)
1487	or return;	2025	or return;
1488		2026
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};	2028	if delete $self->{load_original};
1491		2029
1492	if (my $uniq = $self->uniq_path) {	2030	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2031	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2032	unless (aio_stat $uniq) {
		2033	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2034	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2035	$self->_load_objects ($f);
		2036	$f->resolve_delayed_derefs;
		2037	}
1497	}	2038	}
1498	}	2039	}
1499		2040
1500	Coro::cede;	2041	$f->resolve_delayed_derefs;
		2042
		2043	cf::cede_to_tick;
1501	# now do the right thing for maps	2044	# now do the right thing for maps
1502	$self->link_multipart_objects;	2045	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($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)	2046	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2047	unless $self->difficulty;
1513	Coro::cede;	2048	cf::cede_to_tick;
		2049
		2050	unless ($self->{deny_activate}) {
		2051	$self->decay_objects;
		2052	$self->fix_auto_apply;
		2053	$self->update_buttons;
		2054	cf::cede_to_tick;
		2055	$self->set_darkness_map;
		2056	cf::cede_to_tick;
1514	$self->activate;	2057	$self->activate;
1515	Coro::cede;	2058	}
		2059
		2060	$self->{last_save} = $cf::RUNTIME;
		2061	$self->last_access ($cf::RUNTIME);
		2062
		2063	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	2064	}
1517		2065
1518	$self->post_load;	2066	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2067	}
1523		2068
1524	sub customise_for {	2069	sub customise_for {
1525	my ($self, $ob) = @_;	2070	my ($self, $ob) = @_;
1526		2071
1527	return find "~" . $ob->name . "/" . $self->{path}	2072	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2073	if $self->per_player;
1529		2074
		2075	# return find "?party/" . $ob->name . "/" . $self->{path}
		2076	# if $self->per_party;
		2077
1530	$self	2078	$self
1531	}	2079	}
1532		2080
1533	# find and load all maps in the 3x3 area around a map	2081	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2082	sub load_neighbours {
1535	my ($map) = @_;	2083	my ($map) = @_;
1536		2084
1537	my @diag; # diagonal neighbours	2085	my @neigh; # diagonal neighbours
1538		2086
1539	for (0 .. 3) {	2087	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2088	my $neigh = $map->tile_path ($_)
1541	or next;	2089	or next;
1542	$neigh = find $neigh, $map	2090	$neigh = find $neigh, $map
1543	or next;	2091	or next;
1544	$neigh->load;	2092	$neigh->load;
1545		2093
		2094	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2097	}
1549		2098
1550	for (@diag) {	2099	for (grep defined $_->[0], @neigh) {
		2100	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2101	my $neigh = find $path, $origin
1552	or next;	2102	or next;
1553	$neigh->load;	2103	$neigh->load;
1554	}	2104	}
1555	}	2105	}
1556		2106
…		…
1561	}	2111	}
1562		2112
1563	sub do_load_sync {	2113	sub do_load_sync {
1564	my ($map) = @_;	2114	my ($map) = @_;
1565		2115
		2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2117	if $Coro::current == $Coro::main;
		2118
1566	cf::sync_job { $map->load };	2119	cf::sync_job { $map->load };
1567	}	2120	}
1568		2121
1569	our %MAP_PREFETCH;	2122	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2123	our $MAP_PREFETCHER = undef;
1571		2124
1572	sub find_async {	2125	sub find_async {
1573	my ($path, $origin) = @_;	2126	my ($path, $origin, $load) = @_;
1574		2127
1575	$path = normalise $path, $origin && $origin->{path};	2128	$path = normalise $path, $origin && $origin->{path};
1576		2129
1577	if (my $map = $cf::MAP{$path}) {	2130	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1579	}	2132	}
1580		2133
1581	undef $MAP_PREFETCH{$path};	2134	$MAP_PREFETCH{$path} |= $load;
		2135
1582	$MAP_PREFETCHER ||= cf::async {	2136	$MAP_PREFETCHER ||= cf::async {
		2137	$Coro::current->{desc} = "map prefetcher";
		2138
1583	while (%MAP_PREFETCH) {	2139	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2140	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2141	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2142	$map->load if $v;
		2143	}
1588		2144
1589	delete $MAP_PREFETCH{$path};	2145	delete $MAP_PREFETCH{$k};
1590	}	2146	}
1591	}	2147	}
1592	undef $MAP_PREFETCHER;	2148	undef $MAP_PREFETCHER;
1593	};	2149	};
1594	$MAP_PREFETCHER->prio (6);	2150	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2153	}
1598		2154
1599	sub save {	2155	sub save {
1600	my ($self) = @_;	2156	my ($self) = @_;
1601		2157
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2159
1604	$self->{last_save} = $cf::RUNTIME;	2160	$self->{last_save} = $cf::RUNTIME;
1605		2161
1606	return unless $self->dirty;	2162	return unless $self->dirty;
1607		2163
…		…
1613	return if $self->{deny_save};	2169	return if $self->{deny_save};
1614		2170
1615	local $self->{last_access} = $self->last_access;#d#	2171	local $self->{last_access} = $self->last_access;#d#
1616		2172
1617	cf::async {	2173	cf::async {
		2174	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2175	$_->contr->save for $self->players;
1619	};	2176	};
1620		2177
1621	if ($uniq) {	2178	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1630	my ($self) = @_;	2187	my ($self) = @_;
1631		2188
1632	# save first because save cedes	2189	# save first because save cedes
1633	$self->save;	2190	$self->save;
1634		2191
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2192	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2193
1637	return if $self->players;	2194	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2195	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};	2196	return if $self->{deny_save};
1640		2197
		2198	$self->in_memory (cf::MAP_SWAPPED);
		2199
		2200	$self->deactivate;
		2201	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2202	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2203	}
1644		2204
1645	sub reset_at {	2205	sub reset_at {
1646	my ($self) = @_;	2206	my ($self) = @_;
1647		2207
1648	# TODO: safety, remove and allow resettable per-player maps	2208	# 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};	2209	return 1e99 if $self->{deny_reset};
1651		2210
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2211	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2212	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2213
…		…
1665	my ($self) = @_;	2224	my ($self) = @_;
1666		2225
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2227
1669	return if $self->players;	2228	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2229
1672	warn "resetting map ", $self->path;#d#	2230	warn "resetting map ", $self->path;
1673		2231
1674	$self->in_memory (cf::MAP_SWAPPED);	2232	$self->in_memory (cf::MAP_SWAPPED);
1675		2233
1676	# need to save uniques path	2234	# need to save uniques path
1677	unless ($self->{deny_save}) {	2235	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2239	if $uniq;
1682	}	2240	}
1683		2241
1684	delete $cf::MAP{$self->path};	2242	delete $cf::MAP{$self->path};
1685		2243
		2244	$self->deactivate;
		2245	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2246	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2247
1690	$self->unlink_save;	2248	$self->unlink_save;
1691	$self->destroy;	2249	$self->destroy;
1692	}	2250	}
1693		2251
1694	my $nuke_counter = "aaaa";	2252	my $nuke_counter = "aaaa";
1695		2253
1696	sub nuke {	2254	sub nuke {
1697	my ($self) = @_;	2255	my ($self) = @_;
1698		2256
		2257	{
		2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2259
1699	delete $cf::MAP{$self->path};	2260	delete $cf::MAP{$self->path};
1700		2261
1701	$self->unlink_save;	2262	$self->unlink_save;
1702		2263
1703	bless $self, "cf::map";	2264	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2265	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2266	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2267	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2269
1709	$cf::MAP{$self->path} = $self;	2270	$cf::MAP{$self->path} = $self;
		2271	}
1710		2272
1711	$self->reset; # polite request, might not happen	2273	$self->reset; # polite request, might not happen
		2274	}
		2275
		2276	=item $maps = cf::map::tmp_maps
		2277
		2278	Returns an arrayref with all map paths of currently instantiated and saved
		2279	maps. May block.
		2280
		2281	=cut
		2282
		2283	sub tmp_maps() {
		2284	[
		2285	map {
		2286	utf8::decode $_;
		2287	/\.map$/
		2288	? normalise $_
		2289	: ()
		2290	} @{ aio_readdir $TMPDIR or [] }
		2291	]
		2292	}
		2293
		2294	=item $maps = cf::map::random_maps
		2295
		2296	Returns an arrayref with all map paths of currently instantiated and saved
		2297	random maps. May block.
		2298
		2299	=cut
		2300
		2301	sub random_maps() {
		2302	[
		2303	map {
		2304	utf8::decode $_;
		2305	/\.map$/
		2306	? normalise "?random/$_"
		2307	: ()
		2308	} @{ aio_readdir $RANDOMDIR or [] }
		2309	]
1712	}	2310	}
1713		2311
1714	=item cf::map::unique_maps	2312	=item cf::map::unique_maps
1715		2313
1716	Returns an arrayref of paths of all shared maps that have	2314	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2315	instantiated unique items. May block.
1718		2316
1719	=cut	2317	=cut
1720		2318
1721	sub unique_maps() {	2319	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2320	[
1723	or return;	2321	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2322	utf8::decode $_;
1729	next if /\.pst$/;	2323	/\.map$/
1730	next unless /^$PATH_SEP/o;	2324	? normalise $_
1731		2325	: ()
1732	push @paths, cf::map::normalise $_;	2326	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2327	]
1734
1735	\@paths
1736	}	2328	}
1737		2329
1738	package cf;	2330	package cf;
1739		2331
1740	=back	2332	=back
…		…
1758	map { $_, inv_recursive_ $_->inv } @_	2350	map { $_, inv_recursive_ $_->inv } @_
1759	}	2351	}
1760		2352
1761	sub inv_recursive {	2353	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2354	inv_recursive_ inv $_[0]
		2355	}
		2356
		2357	=item $ref = $ob->ref
		2358
		2359	creates and returns a persistent reference to an objetc that can be stored as a string.
		2360
		2361	=item $ob = cf::object::deref ($refstring)
		2362
		2363	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2364	even if the object actually exists. May block.
		2365
		2366	=cut
		2367
		2368	sub deref {
		2369	my ($ref) = @_;
		2370
		2371	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2372	my ($uuid, $name) = ($1, $2);
		2373	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2374	or return;
		2375	$pl->ob->uuid eq $uuid
		2376	or return;
		2377
		2378	$pl->ob
		2379	} else {
		2380	warn "$ref: cannot resolve object reference\n";
		2381	undef
		2382	}
1763	}	2383	}
1764		2384
1765	package cf;	2385	package cf;
1766		2386
1767	=back	2387	=back
…		…
1786		2406
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2408
1789	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1791	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2421	$self->message ($msg, $flags);
		2422	}
1794	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1795	}	2434	}
1796		2435
1797	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1798		2437
1799	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1847		2486
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2488
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1852		2491
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2493	}
1855		2494
1856	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1858		2499
1859	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1860		2501
1861	unless ($map) {	2502	unless ($map) {
1862	# restore original map position	2503	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1879		2520
1880	$map->load;	2521	$map->load;
1881	$map->load_diag;	2522	$map->load_neighbours;
1882		2523
1883	return unless $self->contr->active;	2524	return unless $self->contr->active;
1884	$self->activate_recursive;	2525	$self->activate_recursive;
1885		2526
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1888	}	2529	}
1889		2530
1890	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2532
1894	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1898	};	2537	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2538
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	2539	=cut
		2540
		2541	our $GOTOGEN;
1925		2542
1926	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2544	my ($self, $path, $x, $y, $check, $done) = @_;
		2545
		2546	# do generation counting so two concurrent goto's will be executed in-order
		2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2548
1929	$self->enter_link;	2549	$self->enter_link;
1930		2550
1931	(async {	2551	(async {
		2552	$Coro::current->{desc} = "player::goto $path $x $y";
		2553
		2554	# *tag paths override both path and x|y
		2555	if ($path =~ /^\*(.*)$/) {
		2556	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2557	my $ob = $obs[rand @obs];
		2558
		2559	# see if we actually can go there
		2560	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2561	$ob = $obs[rand @obs];
		2562	} else {
		2563	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2564	}
		2565	# else put us there anyways for now #d#
		2566
		2567	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2568	} else {
		2569	($path, $x, $y) = (undef, undef, undef);
		2570	}
		2571	}
		2572
1932	my $map = eval {	2573	my $map = eval {
1933	my $map = cf::map::find $path;	2574	my $map = defined $path ? cf::map::find $path : undef;
		2575
		2576	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2577	$map = $map->customise_for ($self);
		2578	$map = $check->($map) if $check && $map;
		2579	} else {
		2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2581	}
		2582
1935	$map	2583	$map
		2584	};
		2585
		2586	if ($@) {
		2587	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2589	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2590
		2591	if ($gen == $self->{_goto_generation}) {
		2592	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2593	$self->leave_link ($map, $x, $y);
		2594	}
		2595
		2596	$done->() if $done;
1940	})->prio (1);	2597	})->prio (1);
1941	}	2598	}
1942		2599
1943	=item $player_object->enter_exit ($exit_object)	2600	=item $player_object->enter_exit ($exit_object)
1944		2601
…		…
1981	$rmp->{origin_y} = $exit->y;	2638	$rmp->{origin_y} = $exit->y;
1982	}	2639	}
1983		2640
1984	$rmp->{random_seed} ||= $exit->random_seed;	2641	$rmp->{random_seed} ||= $exit->random_seed;
1985		2642
1986	my $data = cf::to_json $rmp;	2643	my $data = cf::encode_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2644	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2645	my $meta = "$RANDOMDIR/$md5.meta";
1989		2646
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2648	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2649	undef $fh;
1993	aio_rename "$meta~", $meta;	2650	aio_rename "$meta~", $meta;
…		…
2013	my $hp = $exit->stats->hp;	2670	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2671	my $sp = $exit->stats->sp;
2015		2672
2016	$self->enter_link;	2673	$self->enter_link;
2017		2674
		2675	# if exit is damned, update players death & WoR home-position
		2676	$self->contr->savebed ($slaying, $hp, $sp)
		2677	if $exit->flag (FLAG_DAMNED);
		2678
2018	(async {	2679	(async {
		2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2681
2019	$self->deactivate_recursive; # just to be sure	2682	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2683	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2684	$self->goto ($slaying, $hp, $sp);
2022		2685
2023	1;	2686	1;
…		…
2049		2712
2050	utf8::encode $text;	2713	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2714	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2715	}
2053		2716
		2717	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2718
		2719	Send a drawinfo or msg packet to the client, formatting the msg for the
		2720	client if neccessary. C<$type> should be a string identifying the type of
		2721	the message, with C<log> being the default. If C<$color> is negative, suppress
		2722	the message unless the client supports the msg packet.
		2723
		2724	=cut
		2725
		2726	# non-persistent channels (usually the info channel)
		2727	our %CHANNEL = (
		2728	"c/identify" => {
		2729	id => "infobox",
		2730	title => "Identify",
		2731	reply => undef,
		2732	tooltip => "Items recently identified",
		2733	},
		2734	"c/examine" => {
		2735	id => "infobox",
		2736	title => "Examine",
		2737	reply => undef,
		2738	tooltip => "Signs and other items you examined",
		2739	},
		2740	"c/book" => {
		2741	id => "infobox",
		2742	title => "Book",
		2743	reply => undef,
		2744	tooltip => "The contents of a note or book",
		2745	},
		2746	"c/lookat" => {
		2747	id => "infobox",
		2748	title => "Look",
		2749	reply => undef,
		2750	tooltip => "What you saw there",
		2751	},
		2752	"c/who" => {
		2753	id => "infobox",
		2754	title => "Players",
		2755	reply => undef,
		2756	tooltip => "Shows players who are currently online",
		2757	},
		2758	"c/body" => {
		2759	id => "infobox",
		2760	title => "Body Parts",
		2761	reply => undef,
		2762	tooltip => "Shows which body parts you posess and are available",
		2763	},
		2764	"c/uptime" => {
		2765	id => "infobox",
		2766	title => "Uptime",
		2767	reply => undef,
		2768	tooltip => "How long the server has been running since last restart",
		2769	},
		2770	"c/mapinfo" => {
		2771	id => "infobox",
		2772	title => "Map Info",
		2773	reply => undef,
		2774	tooltip => "Information related to the maps",
		2775	},
		2776	);
		2777
		2778	sub cf::client::send_msg {
		2779	my ($self, $channel, $msg, $color, @extra) = @_;
		2780
		2781	$msg = $self->pl->expand_cfpod ($msg);
		2782
		2783	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2784
		2785	# check predefined channels, for the benefit of C
		2786	if ($CHANNEL{$channel}) {
		2787	$channel = $CHANNEL{$channel};
		2788
		2789	$self->ext_msg (channel_info => $channel)
		2790	if $self->can_msg;
		2791
		2792	$channel = $channel->{id};
		2793
		2794	} elsif (ref $channel) {
		2795	# send meta info to client, if not yet sent
		2796	unless (exists $self->{channel}{$channel->{id}}) {
		2797	$self->{channel}{$channel->{id}} = $channel;
		2798	$self->ext_msg (channel_info => $channel)
		2799	if $self->can_msg;
		2800	}
		2801
		2802	$channel = $channel->{id};
		2803	}
		2804
		2805	return unless @extra || length $msg;
		2806
		2807	if ($self->can_msg) {
		2808	# default colour, mask it out
		2809	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2810	if $color & cf::NDI_DEF;
		2811
		2812	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2813	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2814	} else {
		2815	if ($color >= 0) {
		2816	# replace some tags by gcfclient-compatible ones
		2817	for ($msg) {
		2818	1 while
		2819	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2820	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2821	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2822	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2823	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2824	}
		2825
		2826	$color &= cf::NDI_COLOR_MASK;
		2827
		2828	utf8::encode $msg;
		2829
		2830	if (0 && $msg =~ /\[/) {
		2831	# COMMAND/INFO
		2832	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2833	} else {
		2834	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2835	$self->send_packet ("drawinfo $color $msg")
		2836	}
		2837	}
		2838	}
		2839	}
		2840
2054	=item $client->ext_event ($type, %msg)	2841	=item $client->ext_msg ($type, @msg)
2055		2842
2056	Sends an exti event to the client.	2843	Sends an ext event to the client.
2057		2844
2058	=cut	2845	=cut
2059		2846
2060	sub cf::client::ext_event($$%) {	2847	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2848	my ($self, $type, @msg) = @_;
2062		2849
		2850	if ($self->extcmd == 2) {
		2851	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2852	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2853	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2854	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2855	}
		2856	}
		2857
		2858	=item $client->ext_reply ($msgid, @msg)
		2859
		2860	Sends an ext reply to the client.
		2861
		2862	=cut
		2863
		2864	sub cf::client::ext_reply($$@) {
		2865	my ($self, $id, @msg) = @_;
		2866
		2867	if ($self->extcmd == 2) {
		2868	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2869	} elsif ($self->extcmd == 1) {
		2870	#TODO: version 1, remove
		2871	unshift @msg, msgtype => "reply", msgid => $id;
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2873	}
2065	}	2874	}
2066		2875
2067	=item $success = $client->query ($flags, "text", \&cb)	2876	=item $success = $client->query ($flags, "text", \&cb)
2068		2877
2069	Queues a query to the client, calling the given callback with	2878	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>,	2879	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>.	2880	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2881
2073	Queries can fail, so check the return code. Or don't, as queries will become	2882	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2883	become reliable at some point in the future.
2075		2884
2076	=cut	2885	=cut
2077		2886
2078	sub cf::client::query {	2887	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2888	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2896	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2897	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2898
2090	$self->send_packet ($self->{query_queue}[0][0])	2899	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2900	if @{ $self->{query_queue} } == 1;
		2901
		2902	1
2092	}	2903	}
2093		2904
2094	cf::client->attach (	2905	cf::client->attach (
		2906	on_connect => sub {
		2907	my ($ns) = @_;
		2908
		2909	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2910	},
2095	on_reply => sub {	2911	on_reply => sub {
2096	my ($ns, $msg) = @_;	2912	my ($ns, $msg) = @_;
2097		2913
2098	# this weird shuffling is so that direct followup queries	2914	# this weird shuffling is so that direct followup queries
2099	# get handled first	2915	# get handled first
…		…
2111	} else {	2927	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2928	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2929	}
2114	}	2930	}
2115	},	2931	},
		2932	on_exticmd => sub {
		2933	my ($ns, $buf) = @_;
		2934
		2935	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2936
		2937	if (ref $msg) {
		2938	my ($type, $reply, @payload) =
		2939	"ARRAY" eq ref $msg
		2940	? @$msg
		2941	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2942
		2943	my @reply;
		2944
		2945	if (my $cb = $EXTICMD{$type}) {
		2946	@reply = $cb->($ns, @payload);
		2947	}
		2948
		2949	$ns->ext_reply ($reply, @reply)
		2950	if $reply;
		2951
		2952	} else {
		2953	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2954	}
		2955
		2956	cf::override;
		2957	},
2116	);	2958	);
2117		2959
2118	=item $client->async (\&cb)	2960	=item $client->async (\&cb)
2119		2961
2120	Create a new coroutine, running the specified callback. The coroutine will	2962	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3003	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3004	our $safe_hole = new Safe::Hole;
2163		3005
2164	$SIG{FPE} = 'IGNORE';	3006	$SIG{FPE} = 'IGNORE';
2165		3007
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3008	$safe->permit_only (Opcode::opset qw(
		3009	:base_core :base_mem :base_orig :base_math
		3010	grepstart grepwhile mapstart mapwhile
		3011	sort time
		3012	));
2167		3013
2168	# here we export the classes and methods available to script code	3014	# here we export the classes and methods available to script code
2169		3015
2170	=pod	3016	=pod
2171		3017
2172	The following functions and methods are available within a safe environment:	3018	The following functions and methods are available within a safe environment:
2173		3019
2174	cf::object contr pay_amount pay_player map	3020	cf::object
		3021	contr pay_amount pay_player map x y force_find force_add destroy
		3022	insert remove name archname title slaying race decrease_ob_nr
		3023
2175	cf::object::player player	3024	cf::object::player
2176	cf::player peaceful	3025	player
2177	cf::map trigger	3026
		3027	cf::player
		3028	peaceful
		3029
		3030	cf::map
		3031	trigger
2178		3032
2179	=cut	3033	=cut
2180		3034
2181	for (	3035	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3036	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3037	insert remove inv name archname title slaying race
		3038	decrease_ob_nr destroy)],
2183	["cf::object::player" => qw(player)],	3039	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3040	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	3041	["cf::map" => qw(trigger)],
2186	) {	3042	) {
2187	no strict 'refs';	3043	no strict 'refs';
…		…
2258	=back	3114	=back
2259		3115
2260	=cut	3116	=cut
2261		3117
2262	#############################################################################	3118	#############################################################################
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	3119	# the server's init and main functions
2336		3120
2337	sub load_facedata($) {	3121	sub load_facedata($) {
2338	my ($path) = @_;	3122	my ($path) = @_;
		3123
		3124	# HACK to clear player env face cache, we need some signal framework
		3125	# for this (global event?)
		3126	%ext::player_env::MUSIC_FACE_CACHE = ();
		3127
		3128	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3129
2340	warn "loading facedata from $path\n";	3130	warn "loading facedata from $path\n";
2341		3131
2342	my $facedata;	3132	my $facedata;
2343	0 < aio_load $path, $facedata	3133	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3136	$facedata = Coro::Storable::thaw $facedata;
2347		3137
2348	$facedata->{version} == 2	3138	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3139	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3140
		3141	# patch in the exptable
		3142	$facedata->{resource}{"res/exp_table"} = {
		3143	type => FT_RSRC,
		3144	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3145	};
		3146	cf::cede_to_tick;
		3147
2351	{	3148	{
2352	my $faces = $facedata->{faceinfo};	3149	my $faces = $facedata->{faceinfo};
2353		3150
2354	while (my ($face, $info) = each %$faces) {	3151	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3152	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3153	cf::face::set_visibility $idx, $info->{visibility};
		3154	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3155	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3156	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3157
		3158	cf::cede_to_tick;
2360	}	3159	}
2361		3160
2362	while (my ($face, $info) = each %$faces) {	3161	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3162	next unless $info->{smooth};
2364	my $idx = cf::face::find $face	3163	my $idx = cf::face::find $face
2365	or next;	3164	or next;
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3165	if (my $smooth = cf::face::find $info->{smooth}) {
		3166	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3167	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3168	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3169	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3170	}
2371	Coro::cede;	3171
		3172	cf::cede_to_tick;
2372	}	3173	}
2373	}	3174	}
2374		3175
2375	{	3176	{
2376	my $anims = $facedata->{animinfo};	3177	my $anims = $facedata->{animinfo};
2377		3178
2378	while (my ($anim, $info) = each %$anims) {	3179	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3180	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3181	cf::cede_to_tick;
2381	}	3182	}
2382		3183
2383	cf::anim::invalidate_all; # d'oh	3184	cf::anim::invalidate_all; # d'oh
2384	}	3185	}
2385		3186
		3187	{
		3188	# TODO: for gcfclient pleasure, we should give resources
		3189	# that gcfclient doesn't grok a >10000 face index.
		3190	my $res = $facedata->{resource};
		3191
		3192	my $soundconf = delete $res->{"res/sound.conf"};
		3193
		3194	while (my ($name, $info) = each %$res) {
		3195	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3196	my $data;
		3197
		3198	if ($info->{type} & 1) {
		3199	# prepend meta info
		3200
		3201	my $meta = $enc->encode ({
		3202	name => $name,
		3203	%{ $info->{meta} || {} },
		3204	});
		3205
		3206	$data = pack "(w/a*)*", $meta, $info->{data};
		3207	} else {
		3208	$data = $info->{data};
		3209	}
		3210
		3211	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3212	cf::face::set_type $idx, $info->{type};
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216
		3217	if ($soundconf) {
		3218	$soundconf = $enc->decode (delete $soundconf->{data});
		3219
		3220	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3221	my $sound = $soundconf->{compat}[$_]
		3222	or next;
		3223
		3224	my $face = cf::face::find "sound/$sound->[1]";
		3225	cf::sound::set $sound->[0] => $face;
		3226	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3227	}
		3228
		3229	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3230	my $face = cf::face::find "sound/$v";
		3231	cf::sound::set $k => $face;
		3232	}
		3233	}
		3234	}
		3235
2386	1	3236	1
2387	}	3237	}
2388		3238
		3239	register_exticmd fx_want => sub {
		3240	my ($ns, $want) = @_;
		3241
		3242	while (my ($k, $v) = each %$want) {
		3243	$ns->fx_want ($k, $v);
		3244	}
		3245	};
		3246
		3247	sub reload_regions {
		3248	# HACK to clear player env face cache, we need some signal framework
		3249	# for this (global event?)
		3250	%ext::player_env::MUSIC_FACE_CACHE = ();
		3251
		3252	load_resource_file "$MAPDIR/regions"
		3253	or die "unable to load regions file\n";
		3254
		3255	for (cf::region::list) {
		3256	$_->{match} = qr/$_->{match}/
		3257	if exists $_->{match};
		3258	}
		3259	}
		3260
2389	sub reload_facedata {	3261	sub reload_facedata {
2390	load_facedata sprintf "%s/facedata", cf::datadir	3262	load_facedata "$DATADIR/facedata"
2391	or die "unable to load facedata\n";	3263	or die "unable to load facedata\n";
2392	}	3264	}
2393		3265
2394	sub reload_regions {
2395	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2396	or die "unable to load regions file\n";
2397	}
2398
2399	sub reload_archetypes {	3266	sub reload_archetypes {
2400	load_archetype_file sprintf "%s/archetypes", cf::datadir	3267	load_resource_file "$DATADIR/archetypes"
2401	or die "unable to load archetypes\n";	3268	or die "unable to load archetypes\n";
		3269	#d# NEED to laod twice to resolve forward references
		3270	# this really needs to be done in an extra post-pass
		3271	# (which needs to be synchronous, so solve it differently)
		3272	load_resource_file "$DATADIR/archetypes"
		3273	or die "unable to load archetypes\n";
2402	}	3274	}
2403		3275
2404	sub reload_treasures {	3276	sub reload_treasures {
2405	load_treasure_file sprintf "%s/treasures", cf::datadir	3277	load_resource_file "$DATADIR/treasures"
2406	or die "unable to load treasurelists\n";	3278	or die "unable to load treasurelists\n";
2407	}	3279	}
2408		3280
2409	sub reload_resources {	3281	sub reload_resources {
2410	warn "reloading resource files...\n";	3282	warn "reloading resource files...\n";
2411		3283
2412	reload_regions;	3284	reload_regions;
2413	reload_facedata;	3285	reload_facedata;
		3286	#reload_archetypes;#d#
2414	reload_archetypes;	3287	reload_archetypes;
2415	reload_treasures;	3288	reload_treasures;
2416		3289
2417	warn "finished reloading resource files\n";	3290	warn "finished reloading resource files\n";
2418	}	3291	}
2419		3292
2420	sub init {	3293	sub init {
2421	reload_resources;	3294	reload_resources;
2422	}	3295	}
2423		3296
2424	sub cfg_load {	3297	sub reload_config {
2425	open my $fh, "<:utf8", cf::confdir . "/config"	3298	open my $fh, "<:utf8", "$CONFDIR/config"
2426	or return;	3299	or return;
2427		3300
2428	local $/;	3301	local $/;
2429	*CFG = YAML::Syck::Load <$fh>;	3302	*CFG = YAML::Syck::Load <$fh>;
2430		3303
…		…
2445	sub main {	3318	sub main {
2446	# we must not ever block the main coroutine	3319	# we must not ever block the main coroutine
2447	local $Coro::idle = sub {	3320	local $Coro::idle = sub {
2448	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3321	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2449	(async {	3322	(async {
2450	Event::one_event;	3323	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3324	EV::loop EV::LOOP_ONESHOT;
2451	})->prio (Coro::PRIO_MAX);	3325	})->prio (Coro::PRIO_MAX);
2452	};	3326	};
2453		3327
2454	cfg_load;	3328	reload_config;
2455	db_init;	3329	db_init;
2456	load_extensions;	3330	load_extensions;
2457		3331
2458	$TICK_WATCHER->start;	3332	$TICK_WATCHER->start;
		3333	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2459	Event::loop;	3334	EV::loop;
2460	}	3335	}
2461		3336
2462	#############################################################################	3337	#############################################################################
2463	# initialisation and cleanup	3338	# initialisation and cleanup
2464		3339
2465	# install some emergency cleanup handlers	3340	# install some emergency cleanup handlers
2466	BEGIN {	3341	BEGIN {
		3342	our %SIGWATCHER = ();
2467	for my $signal (qw(INT HUP TERM)) {	3343	for my $signal (qw(INT HUP TERM)) {
2468	Event->signal (	3344	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2469	reentrant => 0,
2470	data => WF_AUTOCANCEL,
2471	signal => $signal,
2472	prio => 0,
2473	cb => sub {
2474	cf::cleanup "SIG$signal";	3345	cf::cleanup "SIG$signal";
2475	},
2476	);	3346	};
		3347	}
		3348	}
		3349
		3350	sub write_runtime {
		3351	my $runtime = "$LOCALDIR/runtime";
		3352
		3353	# first touch the runtime file to show we are still running:
		3354	# the fsync below can take a very very long time.
		3355
		3356	IO::AIO::aio_utime $runtime, undef, undef;
		3357
		3358	my $guard = cf::lock_acquire "write_runtime";
		3359
		3360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3361	or return;
		3362
		3363	my $value = $cf::RUNTIME + 90 + 10;
		3364	# 10 is the runtime save interval, for a monotonic clock
		3365	# 60 allows for the watchdog to kill the server.
		3366
		3367	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3368	and return;
		3369
		3370	# always fsync - this file is important
		3371	aio_fsync $fh
		3372	and return;
		3373
		3374	# touch it again to show we are up-to-date
		3375	aio_utime $fh, undef, undef;
		3376
		3377	close $fh
		3378	or return;
		3379
		3380	aio_rename "$runtime~", $runtime
		3381	and return;
		3382
		3383	warn "runtime file written.\n";
		3384
2477	}	3385	1
2478	}	3386	}
2479		3387
2480	sub emergency_save() {	3388	sub emergency_save() {
2481	my $freeze_guard = cf::freeze_mainloop;	3389	my $freeze_guard = cf::freeze_mainloop;
2482		3390
…		…
2488	# and maps saved/destroyed asynchronously.	3396	# and maps saved/destroyed asynchronously.
2489	warn "begin emergency player save\n";	3397	warn "begin emergency player save\n";
2490	for my $login (keys %cf::PLAYER) {	3398	for my $login (keys %cf::PLAYER) {
2491	my $pl = $cf::PLAYER{$login} or next;	3399	my $pl = $cf::PLAYER{$login} or next;
2492	$pl->valid or next;	3400	$pl->valid or next;
		3401	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2493	$pl->save;	3402	$pl->save;
2494	}	3403	}
2495	warn "end emergency player save\n";	3404	warn "end emergency player save\n";
2496		3405
2497	warn "begin emergency map save\n";	3406	warn "begin emergency map save\n";
…		…
2536	warn "syncing database to disk";	3445	warn "syncing database to disk";
2537	BDB::db_env_txn_checkpoint $DB_ENV;	3446	BDB::db_env_txn_checkpoint $DB_ENV;
2538		3447
2539	# if anything goes wrong in here, we should simply crash as we already saved	3448	# if anything goes wrong in here, we should simply crash as we already saved
2540		3449
2541	warn "cancelling all WF_AUTOCANCEL watchers";
2542	for (Event::all_watchers) {
2543	$_->cancel if $_->data & WF_AUTOCANCEL;
2544	}
2545
2546	warn "flushing outstanding aio requests";	3450	warn "flushing outstanding aio requests";
2547	for (;;) {	3451	for (;;) {
2548	BDB::flush;	3452	BDB::flush;
2549	IO::AIO::flush;	3453	IO::AIO::flush;
2550	Coro::cede;	3454	Coro::cede_notself;
2551	last unless IO::AIO::nreqs || BDB::nreqs;	3455	last unless IO::AIO::nreqs || BDB::nreqs;
2552	warn "iterate...";	3456	warn "iterate...";
2553	}	3457	}
2554		3458
2555	++$RELOAD;	3459	++$RELOAD;
…		…
2559	%EXT_CORO = ();	3463	%EXT_CORO = ();
2560		3464
2561	warn "removing commands";	3465	warn "removing commands";
2562	%COMMAND = ();	3466	%COMMAND = ();
2563		3467
2564	warn "removing ext commands";	3468	warn "removing ext/exti commands";
2565	%EXTCMD = ();	3469	%EXTCMD = ();
		3470	%EXTICMD = ();
2566		3471
2567	warn "unloading/nuking all extensions";	3472	warn "unloading/nuking all extensions";
2568	for my $pkg (@EXTS) {	3473	for my $pkg (@EXTS) {
2569	warn "... unloading $pkg";	3474	warn "... unloading $pkg";
2570		3475
…		…
2600	Symbol::delete_package "safe::$_"	3505	Symbol::delete_package "safe::$_"
2601	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3506	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2602		3507
2603	warn "unloading cf.pm \"a bit\"";	3508	warn "unloading cf.pm \"a bit\"";
2604	delete $INC{"cf.pm"};	3509	delete $INC{"cf.pm"};
		3510	delete $INC{"cf/pod.pm"};
2605		3511
2606	# don't, removes xs symbols, too,	3512	# don't, removes xs symbols, too,
2607	# and global variables created in xs	3513	# and global variables created in xs
2608	#Symbol::delete_package __PACKAGE__;	3514	#Symbol::delete_package __PACKAGE__;
2609		3515
…		…
2612	warn "reloading cf.pm";	3518	warn "reloading cf.pm";
2613	require cf;	3519	require cf;
2614	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3520	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2615		3521
2616	warn "loading config and database again";	3522	warn "loading config and database again";
2617	cf::cfg_load;	3523	cf::reload_config;
2618		3524
2619	warn "loading extensions";	3525	warn "loading extensions";
2620	cf::load_extensions;	3526	cf::load_extensions;
2621		3527
2622	warn "reattaching attachments to objects/players";	3528	warn "reattaching attachments to objects/players";
…		…
2642		3548
2643	sub reload_perl() {	3549	sub reload_perl() {
2644	# doing reload synchronously and two reloads happen back-to-back,	3550	# doing reload synchronously and two reloads happen back-to-back,
2645	# coro crashes during coro_state_free->destroy here.	3551	# coro crashes during coro_state_free->destroy here.
2646		3552
2647	$RELOAD_WATCHER ||= Event->timer (	3553	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2648	reentrant => 0,
2649	after => 0,
2650	data => WF_AUTOCANCEL,
2651	cb => sub {
2652	do_reload_perl;
2653	undef $RELOAD_WATCHER;	3554	undef $RELOAD_WATCHER;
2654	},	3555	do_reload_perl;
2655	);	3556	};
2656	}	3557	}
2657		3558
2658	register_command "reload" => sub {	3559	register_command "reload" => sub {
2659	my ($who, $arg) = @_;	3560	my ($who, $arg) = @_;
2660		3561
2661	if ($who->flag (FLAG_WIZ)) {	3562	if ($who->flag (FLAG_WIZ)) {
2662	$who->message ("reloading server.");	3563	$who->message ("reloading server.");
		3564	async {
		3565	$Coro::current->{desc} = "perl_reload";
2663	async { reload_perl };	3566	reload_perl;
		3567	};
2664	}	3568	}
2665	};	3569	};
2666		3570
2667	unshift @INC, $LIBDIR;	3571	unshift @INC, $LIBDIR;
2668		3572
…		…
2687	my $signal = new Coro::Signal;	3591	my $signal = new Coro::Signal;
2688	push @WAIT_FOR_TICK_BEGIN, $signal;	3592	push @WAIT_FOR_TICK_BEGIN, $signal;
2689	$signal->wait;	3593	$signal->wait;
2690	}	3594	}
2691		3595
2692	$TICK_WATCHER = Event->timer (	3596	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2693	reentrant => 0,
2694	parked => 1,
2695	prio => 0,
2696	at => $NEXT_TICK || $TICK,
2697	data => WF_AUTOCANCEL,
2698	cb => sub {
2699	if ($Coro::current != $Coro::main) {	3597	if ($Coro::current != $Coro::main) {
2700	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3598	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2701	unless ++$bug_warning > 10;	3599	unless ++$bug_warning > 10;
2702	return;	3600	return;
2703	}	3601	}
2704		3602
2705	$NOW = Event::time;	3603	$NOW = $tick_start = EV::now;
2706		3604
2707	cf::server_tick; # one server iteration	3605	cf::server_tick; # one server iteration
2708		3606
2709	$RUNTIME += $TICK;	3607	$RUNTIME += $TICK;
2710	$NEXT_TICK += $TICK;	3608	$NEXT_TICK += $TICK;
2711		3609
2712	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3610	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2713	$NEXT_RUNTIME_WRITE = $NOW + 10;	3611	$NEXT_RUNTIME_WRITE = $NOW + 10;
2714	Coro::async_pool {	3612	Coro::async_pool {
		3613	$Coro::current->{desc} = "runtime saver";
2715	write_runtime	3614	write_runtime
2716	or warn "ERROR: unable to write runtime file: $!";	3615	or warn "ERROR: unable to write runtime file: $!";
2717	};
2718	}	3616	};
		3617	}
2719		3618
2720	# my $AFTER = Event::time;
2721	# warn $AFTER - $NOW;#d#
2722
2723	# if we are delayed by four ticks or more, skip them all
2724	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2725
2726	$TICK_WATCHER->at ($NEXT_TICK);
2727	$TICK_WATCHER->start;
2728
2729	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3619	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2730	$sig->send;	3620	$sig->send;
2731	}	3621	}
2732	while (my $sig = shift @WAIT_FOR_TICK) {	3622	while (my $sig = shift @WAIT_FOR_TICK) {
2733	$sig->send;	3623	$sig->send;
2734	}	3624	}
2735		3625
		3626	$LOAD = ($NOW - $tick_start) / $TICK;
		3627	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3628
2736	_post_tick;	3629	_post_tick;
2737	},	3630	};
2738	);	3631	$TICK_WATCHER->priority (EV::MAXPRI);
2739		3632
2740	{	3633	{
		3634	BDB::min_parallel 8;
2741	BDB::max_poll_time $TICK * 0.1;	3635	BDB::max_poll_time $TICK * 0.1;
2742	$BDB_POLL_WATCHER = Event->io (	3636	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
2743	reentrant => 0,
2744	fd => BDB::poll_fileno,
2745	poll => 'r',
2746	prio => 0,
2747	data => WF_AUTOCANCEL,
2748	cb => \&BDB::poll_cb,
2749	);
2750	BDB::min_parallel 8;
2751		3637
2752	BDB::set_sync_prepare {	3638	BDB::set_sync_prepare {
2753	my $status;	3639	my $status;
2754	my $current = $Coro::current;	3640	my $current = $Coro::current;
2755	(	3641	(
…		…
2764	)	3650	)
2765	};	3651	};
2766		3652
2767	unless ($DB_ENV) {	3653	unless ($DB_ENV) {
2768	$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);
2769		3659
2770	cf::sync_job {	3660	cf::sync_job {
2771	eval {	3661	eval {
2772	BDB::db_env_open	3662	BDB::db_env_open
2773	$DB_ENV,	3663	$DB_ENV,
2774	$BDB_ENV_DIR,	3664	$BDBDIR,
2775	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
2776	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2777	0666;	3667	0666;
2778		3668
2779	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2780
2781	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2782	$DB_ENV->set_lk_detect;
2783	};	3670	};
2784		3671
2785	cf::cleanup "db_env_open(db): $@" if $@;	3672	cf::cleanup "db_env_open(db): $@" if $@;
2786	};	3673	};
2787	}	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	};
2788	}	3685	}
2789		3686
2790	{	3687	{
2791	IO::AIO::min_parallel 8;	3688	IO::AIO::min_parallel 8;
2792		3689
2793	undef $Coro::AIO::WATCHER;	3690	undef $Coro::AIO::WATCHER;
2794	IO::AIO::max_poll_time $TICK * 0.1;	3691	IO::AIO::max_poll_time $TICK * 0.1;
2795	$AIO_POLL_WATCHER = Event->io (	3692	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
2796	reentrant => 0,
2797	data => WF_AUTOCANCEL,
2798	fd => IO::AIO::poll_fileno,
2799	poll => 'r',
2800	prio => 6,
2801	cb => \&IO::AIO::poll_cb,
2802	);
2803	}	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;
2804		3737
2805	END { cf::emergency_save }	3738	END { cf::emergency_save }
2806		3739
2807	1	3740	1
2808		3741

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