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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.247 by root, Tue Apr 17 18:24:30 2007 UTC vs.
Revision 1.407 by root, Sun Jan 13 09:53:53 2008 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
9	use Event;	9	use EV 1.86;
10	use Opcode;	10	use Opcode;
11	use Safe;	11	use Safe;
12	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
13		14
14	use Coro 3.61 ();	15	use Coro 4.32 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::EV;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
21	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
22		26
		27	use JSON::XS 2.01 ();
23	use BDB ();	28	use BDB ();
24	use Data::Dumper;	29	use Data::Dumper;
25	use Digest::MD5;	30	use Digest::MD5;
26	use Fcntl;	31	use Fcntl;
27	use YAML::Syck ();	32	use YAML::Syck ();
28	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
29	use Time::HiRes;	34	use Time::HiRes;
30	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
31		37
32	# configure various modules to our taste	38	# configure various modules to our taste
33	#	39	#
34	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		43
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
42		46
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		48
…		…
47	our %COMMAND = ();	51	our %COMMAND = ();
48	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
49		53
50	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
54		59
55	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
56	our @EVENT;	61	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	62
		63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74	our %RESOURCE;
58		75
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;	77	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	80	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		82
67	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	87	our $DB_ENV;
69		88
70	our %CFG;	89	our %CFG;
71		90
72	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
74		94
75	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	97	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		98
81	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
84	binmode STDOUT;	106	binmode STDOUT;
85	binmode STDERR;	107	binmode STDERR;
86		108
87	# read virtual server time, if available	109	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
92	}	114	}
93		115
94	mkdir cf::localdir;	116	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	117	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		118
101	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
102		120
103	sub cf::map::normalise;	121	sub cf::map::normalise;
104		122
…		…
115	=item $cf::RUNTIME	133	=item $cf::RUNTIME
116		134
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	136	every server tick.
119		137
120	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		141
122	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
124		146
125	=item $cf::NOW	147	=item $cf::NOW
126		148
127	The time of the last (current) server tick.	149	The time of the last (current) server tick.
128		150
129	=item $cf::TICK	151	=item $cf::TICK
130		152
131	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
132		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
		164
133	=item %cf::CFG	165	=item %cf::CFG
134		166
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	168	from wherever your confdir points to.
137		169
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		171
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
		181
144	=back	182	=back
145		183
146	=cut	184	=cut
147		185
148	BEGIN {	186	BEGIN {
149	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	188	my $msg = join "", @_;
151	utf8::encode $msg;
152		189
153	$msg .= "\n"	190	$msg .= "\n"
154	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
155		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		194
156	LOG llevError, $msg;	195	LOG llevError, $msg;
157	};	196	};
158	}	197	}
		198
		199	$Coro::State::DIEHOOK = sub {
		200	warn Carp::longmess $_[0];
		201	Coro::terminate;
		202	};
159		203
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	204	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	205	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	206	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	207	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	208	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		209	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	210	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		211
167	# we bless all objects into (empty) derived classes to force a method lookup	212	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	213	# within the Safe compartment.
169	for my $pkg (qw(	214	for my $pkg (qw(
170	cf::global cf::attachable	215	cf::global cf::attachable
…		…
175	)) {	220	)) {
176	no strict 'refs';	221	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	222	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	223	}
179		224
180	$Event::DIED = sub {	225	$EV::DIED = sub {
181	warn "error in event callback: @_";	226	warn "error in event callback: @_";
182	};	227	};
		228
		229	#############################################################################
183		230
184	=head2 UTILITY FUNCTIONS	231	=head2 UTILITY FUNCTIONS
185		232
186	=over 4	233	=over 4
187		234
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	253	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	254	$d
208	} || "[unable to dump $_[0]: '$@']";	255	} || "[unable to dump $_[0]: '$@']";
209	}	256	}
210		257
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	258	=item $ref = cf::decode_json $json
214		259
215	Converts a JSON string into the corresponding perl data structure.	260	Converts a JSON string into the corresponding perl data structure.
216		261
217	=item $json = cf::to_json $ref	262	=item $json = cf::encode_json $ref
218		263
219	Converts a perl data structure into its JSON representation.	264	Converts a perl data structure into its JSON representation.
		265
		266	=cut
		267
		268	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		269
		270	sub encode_json($) { $json_coder->encode ($_[0]) }
		271	sub decode_json($) { $json_coder->decode ($_[0]) }
220		272
221	=item cf::lock_wait $string	273	=item cf::lock_wait $string
222		274
223	Wait until the given lock is available. See cf::lock_acquire.	275	Wait until the given lock is available. See cf::lock_acquire.
224		276
…		…
227	Wait until the given lock is available and then acquires it and returns	279	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	280	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	281	for example when the coroutine gets canceled), the lock is automatically
230	returned.	282	returned.
231		283
		284	Locks are *not* recursive, locking from the same coro twice results in a
		285	deadlocked coro.
		286
232	Lock names should begin with a unique identifier (for example, cf::map::find	287	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	288	uses map_find and cf::map::load uses map_load).
234		289
		290	=item $locked = cf::lock_active $string
		291
		292	Return true if the lock is currently active, i.e. somebody has locked it.
		293
235	=cut	294	=cut
236		295
237	our %LOCK;	296	our %LOCK;
		297	our %LOCKER;#d#
238		298
239	sub lock_wait($) {	299	sub lock_wait($) {
240	my ($key) = @_;	300	my ($key) = @_;
		301
		302	if ($LOCKER{$key} == $Coro::current) {#d#
		303	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		304	return;#d#
		305	}#d#
241		306
242	# wait for lock, if any	307	# wait for lock, if any
243	while ($LOCK{$key}) {	308	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	309	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	310	Coro::schedule;
…		…
251		316
252	# wait, to be sure we are not locked	317	# wait, to be sure we are not locked
253	lock_wait $key;	318	lock_wait $key;
254		319
255	$LOCK{$key} = [];	320	$LOCK{$key} = [];
		321	$LOCKER{$key} = $Coro::current;#d#
256		322
257	Coro::guard {	323	Coro::guard {
		324	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	325	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	326	$_->ready for @{ delete $LOCK{$key} };
260	}	327	}
		328	}
		329
		330	sub lock_active($) {
		331	my ($key) = @_;
		332
		333	! ! $LOCK{$key}
261	}	334	}
262		335
263	sub freeze_mainloop {	336	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	337	return unless $TICK_WATCHER->is_active;
265		338
…		…
268	};	341	};
269	$TICK_WATCHER->stop;	342	$TICK_WATCHER->stop;
270	$guard	343	$guard
271	}	344	}
272		345
		346	=item cf::periodic $interval, $cb
		347
		348	Like EV::periodic, but randomly selects a starting point so that the actions
		349	get spread over timer.
		350
		351	=cut
		352
		353	sub periodic($$) {
		354	my ($interval, $cb) = @_;
		355
		356	my $start = rand List::Util::min 180, $interval;
		357
		358	EV::periodic $start, $interval, 0, $cb
		359	}
		360
		361	=item cf::get_slot $time[, $priority[, $name]]
		362
		363	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		364	This call blocks and returns only when you have at least C<$time> seconds
		365	of cpu time till the next tick. The slot is only valid till the next cede.
		366
		367	The optional C<$name> can be used to identify the job to run. It might be
		368	used for statistical purposes and should identify the same time-class.
		369
		370	Useful for short background jobs.
		371
		372	=cut
		373
		374	our @SLOT_QUEUE;
		375	our $SLOT_QUEUE;
		376
		377	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		378	$SLOT_QUEUE = Coro::async {
		379	$Coro::current->desc ("timeslot manager");
		380
		381	my $signal = new Coro::Signal;
		382
		383	while () {
		384	next_job:
		385	my $avail = cf::till_tick;
		386	if ($avail > 0.01) {
		387	for (0 .. $#SLOT_QUEUE) {
		388	if ($SLOT_QUEUE[$_][0] < $avail) {
		389	my $job = splice @SLOT_QUEUE, $_, 1, ();
		390	$job->[2]->send;
		391	Coro::cede;
		392	goto next_job;
		393	}
		394	}
		395	}
		396
		397	if (@SLOT_QUEUE) {
		398	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		399	push @cf::WAIT_FOR_TICK, $signal;
		400	$signal->wait;
		401	} else {
		402	Coro::schedule;
		403	}
		404	}
		405	};
		406
		407	sub get_slot($;$$) {
		408	my ($time, $pri, $name) = @_;
		409
		410	$time = $TICK * .6 if $time > $TICK * .6;
		411	my $sig = new Coro::Signal;
		412
		413	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		414	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		415	$SLOT_QUEUE->ready;
		416	$sig->wait;
		417	}
		418
273	=item cf::async { BLOCK }	419	=item cf::async { BLOCK }
274		420
275	Currently the same as Coro::async_pool, meaning you cannot use	421	Currently the same as Coro::async_pool, meaning you cannot use
276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	422	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
277	thing you are allowed to do is call C<prio> on it.	423	thing you are allowed to do is call C<prio> on it.
…		…
280		426
281	BEGIN { *async = \&Coro::async_pool }	427	BEGIN { *async = \&Coro::async_pool }
282		428
283	=item cf::sync_job { BLOCK }	429	=item cf::sync_job { BLOCK }
284		430
285	The design of crossfire+ requires that the main coro ($Coro::main) is	431	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	432	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	433	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		434	acceptable.
288		435
289	If it must be done, put the blocking parts into C<sync_job>. This will run	436	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	437	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	438	server will be frozen during this time, so the block should either finish
292	fast or be very important.	439	fast or be very important.
…		…
295		442
296	sub sync_job(&) {	443	sub sync_job(&) {
297	my ($job) = @_;	444	my ($job) = @_;
298		445
299	if ($Coro::current == $Coro::main) {	446	if ($Coro::current == $Coro::main) {
		447	my $time = EV::time;
		448
300	# this is the main coro, too bad, we have to block	449	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	450	# till the operation succeeds, freezing the server :/
302		451
		452	LOG llevError, Carp::longmess "sync job";#d#
		453
303	# TODO: use suspend/resume instead	454	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	455	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	456	my $freeze_guard = freeze_mainloop;
306		457
307	my $busy = 1;	458	my $busy = 1;
308	my @res;	459	my @res;
309		460
310	(async {	461	(async {
		462	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	463	@res = eval { $job->() };
312	warn $@ if $@;	464	warn $@ if $@;
313	undef $busy;	465	undef $busy;
314	})->prio (Coro::PRIO_MAX);	466	})->prio (Coro::PRIO_MAX);
315		467
316	while ($busy) {	468	while ($busy) {
317	Coro::cede or Event::one_event;	469	if (Coro::nready) {
		470	Coro::cede_notself;
		471	} else {
		472	EV::loop EV::LOOP_ONESHOT;
318	}	473	}
		474	}
		475
		476	$time = EV::time - $time;
		477
		478	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		479	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		480
		481	$tick_start += $time; # do not account sync jobs to server load
319		482
320	wantarray ? @res : $res[0]	483	wantarray ? @res : $res[0]
321	} else {	484	} else {
322	# we are in another coroutine, how wonderful, everything just works	485	# we are in another coroutine, how wonderful, everything just works
323		486
…		…
343	$EXT_CORO{$coro+0} = $coro;	506	$EXT_CORO{$coro+0} = $coro;
344		507
345	$coro	508	$coro
346	}	509	}
347		510
348	sub write_runtime {	511	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		512
351	my $runtime = cf::localdir . "/runtime";	513	Executes the given code block with the given arguments in a seperate
		514	process, returning the results. Everything must be serialisable with
		515	Coro::Storable. May, of course, block. Note that the executed sub may
		516	never block itself or use any form of event handling.
352		517
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	518	=cut
354	or return;
355		519
356	my $value = $cf::RUNTIME + 90 + 10;	520	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	521	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		522
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	523	# we seemingly have to make a local copy of the whole thing,
361	and return;	524	# otherwise perl prematurely frees the stuff :/
		525	# TODO: investigate and fix (likely this will be rather laborious)
362		526
363	# always fsync - this file is important	527	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	528	reset_signals;
365	and return;	529	&$cb
		530	}, @args;
366		531
367	close $fh	532	wantarray ? @res : $res[-1]
368	or return;	533	}
369		534
370	aio_rename "$runtime~", $runtime	535	=item $value = cf::db_get $family => $key
371	and return;
372		536
		537	Returns a single value from the environment database.
		538
		539	=item cf::db_put $family => $key => $value
		540
		541	Stores the given C<$value> in the family. It can currently store binary
		542	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		543
		544	=item $db = cf::db_table "name"
		545
		546	Create and/or open a new database table. The string must not be "db" and must be unique
		547	within each server.
		548
		549	=cut
		550
		551	sub db_table($) {
		552	my ($name) = @_;
		553	my $db = BDB::db_create $DB_ENV;
		554
		555	eval {
		556	$db->set_flags (BDB::CHKSUM);
		557
		558	utf8::encode $name;
		559	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		560	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		561	cf::cleanup "db_open(db): $!" if $!;
		562	};
		563	cf::cleanup "db_open(db): $@" if $@;
		564
		565	$db
		566	}
		567
		568	our $DB;
		569
		570	sub db_init {
		571	cf::sync_job {
		572	$DB ||= db_table "db";
		573	};
		574	}
		575
		576	sub db_get($$) {
		577	my $key = "$_[0]/$_[1]";
		578
		579	cf::sync_job {
		580	BDB::db_get $DB, undef, $key, my $data;
		581
		582	$! ? ()
		583	: $data
373	1	584	}
		585	}
		586
		587	sub db_put($$$) {
		588	BDB::dbreq_pri 4;
		589	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		590	}
		591
		592	=item cf::cache $id => [$paths...], $processversion => $process
		593
		594	Generic caching function that returns the value of the resource $id,
		595	caching and regenerating as required.
		596
		597	This function can block.
		598
		599	=cut
		600
		601	sub cache {
		602	my ($id, $src, $processversion, $process) = @_;
		603
		604	my $meta =
		605	join "\x00",
		606	$processversion,
		607	map {
		608	aio_stat $_
		609	and Carp::croak "$_: $!";
		610
		611	($_, (stat _)[7,9])
		612	} @$src;
		613
		614	my $dbmeta = db_get cache => "$id/meta";
		615	if ($dbmeta ne $meta) {
		616	# changed, we may need to process
		617
		618	my @data;
		619	my $md5;
		620
		621	for (0 .. $#$src) {
		622	0 <= aio_load $src->[$_], $data[$_]
		623	or Carp::croak "$src->[$_]: $!";
		624	}
		625
		626	# if processing is expensive, check
		627	# checksum first
		628	if (1) {
		629	$md5 =
		630	join "\x00",
		631	$processversion,
		632	map {
		633	cf::cede_to_tick;
		634	($src->[$_], Digest::MD5::md5_hex $data[$_])
		635	} 0.. $#$src;
		636
		637
		638	my $dbmd5 = db_get cache => "$id/md5";
		639	if ($dbmd5 eq $md5) {
		640	db_put cache => "$id/meta", $meta;
		641
		642	return db_get cache => "$id/data";
		643	}
		644	}
		645
		646	my $t1 = Time::HiRes::time;
		647	my $data = $process->(\@data);
		648	my $t2 = Time::HiRes::time;
		649
		650	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		651
		652	db_put cache => "$id/data", $data;
		653	db_put cache => "$id/md5" , $md5;
		654	db_put cache => "$id/meta", $meta;
		655
		656	return $data;
		657	}
		658
		659	db_get cache => "$id/data"
374	}	660	}
375		661
376	=item cf::datalog type => key => value, ...	662	=item cf::datalog type => key => value, ...
377		663
378	Log a datalog packet of the given type with the given key-value pairs.	664	Log a datalog packet of the given type with the given key-value pairs.
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	682	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	683	to it. All such attachable objects support the following methods.
398		684
399	In the following description, CLASS can be any of C<global>, C<object>	685	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	686	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	687	Deliantra).
402		688
403	=over 4	689	=over 4
404		690
405	=item $attachable->attach ($attachment, key => $value...)	691	=item $attachable->attach ($attachment, key => $value...)
406		692
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	855	$registry = $CB_TYPE[$object_type] ||= [];
570		856
571	} elsif ($type eq "subtype") {	857	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	858	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	859	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	860	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		861
576	} elsif ($type eq "package") {	862	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	863	my $pkg = shift @arg;
578		864
579	while (my ($name, $id) = each %cb_id) {	865	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	894	_attach $registry, $klass, @attach;
609	}	895	}
610		896
611	$obj->{$name} = \%arg;	897	$obj->{$name} = \%arg;
612	} else {	898	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	899	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	900	}
615		901
616	$obj->{_attachment}{$name} = undef;	902	$obj->{_attachment}{$name} = undef;
617	}	903	}
618		904
…		…
620	if (ref $_[0]) {	906	if (ref $_[0]) {
621	_object_attach @_;	907	_object_attach @_;
622	} else {	908	} else {
623	_attach shift->_attach_registry, @_;	909	_attach shift->_attach_registry, @_;
624	}	910	}
		911	_recalc_want;
625	};	912	};
626		913
627	# all those should be optimised	914	# all those should be optimised
628	sub cf::attachable::detach {	915	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	916	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	919	delete $obj->{_attachment}{$name};
633	reattach ($obj);	920	reattach ($obj);
634	} else {	921	} else {
635	Carp::croak "cannot, currently, detach class attachments";	922	Carp::croak "cannot, currently, detach class attachments";
636	}	923	}
		924	_recalc_want;
637	};	925	};
638		926
639	sub cf::attachable::attached {	927	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	928	my ($obj, $name) = @_;
641		929
…		…
656	";	944	";
657	die if $@;	945	die if $@;
658	}	946	}
659		947
660	our $override;	948	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	949	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		950
663	sub override {	951	sub override {
664	$override = 1;	952	$override = 1;
665	@invoke_results = ();	953	@INVOKE_RESULTS = (@_);
666	}	954	}
667		955
668	sub do_invoke {	956	sub do_invoke {
669	my $event = shift;	957	my $event = shift;
670	my $callbacks = shift;	958	my $callbacks = shift;
671		959
672	@invoke_results = ();	960	@INVOKE_RESULTS = ();
673		961
674	local $override;	962	local $override;
675		963
676	for (@$callbacks) {	964	for (@$callbacks) {
677	eval { &{$_->[1]} };	965	eval { &{$_->[1]} };
…		…
686	}	974	}
687		975
688	0	976	0
689	}	977	}
690		978
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	979	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		980
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	981	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		982
695	Generate an object-specific event with the given arguments.	983	Generate an object-specific event with the given arguments.
696		984
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	985	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	986	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	987	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		988
701	=back	989	=back
702		990
703	=cut	991	=cut
704		992
705	#############################################################################	993	#############################################################################
706	# object support	994	# object support
		995
		996	sub _object_equal($$);
		997	sub _object_equal($$) {
		998	my ($a, $b) = @_;
		999
		1000	return 0 unless (ref $a) eq (ref $b);
		1001
		1002	if ("HASH" eq ref $a) {
		1003	my @ka = keys %$a;
		1004	my @kb = keys %$b;
		1005
		1006	return 0 if @ka != @kb;
		1007
		1008	for (0 .. $#ka) {
		1009	return 0 unless $ka[$_] eq $kb[$_];
		1010	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1011	}
		1012
		1013	} elsif ("ARRAY" eq ref $a) {
		1014
		1015	return 0 if @$a != @$b;
		1016
		1017	for (0 .. $#$a) {
		1018	return 0 unless _object_equal $a->[$_], $b->[$_];
		1019	}
		1020
		1021	} elsif ($a ne $b) {
		1022	return 0;
		1023	}
		1024
		1025	1
		1026	}
		1027
		1028	our $SLOW_MERGES;#d#
		1029	sub _can_merge {
		1030	my ($ob1, $ob2) = @_;
		1031
		1032	++$SLOW_MERGES;#d#
		1033
		1034	# we do the slow way here
		1035	return _object_equal $ob1, $ob2
		1036	}
707		1037
708	sub reattach {	1038	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1039	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1040	my ($obj) = @_;
711		1041
…		…
732	cf::attachable->attach (	1062	cf::attachable->attach (
733	prio => -1000000,	1063	prio => -1000000,
734	on_instantiate => sub {	1064	on_instantiate => sub {
735	my ($obj, $data) = @_;	1065	my ($obj, $data) = @_;
736		1066
737	$data = from_json $data;	1067	$data = decode_json $data;
738		1068
739	for (@$data) {	1069	for (@$data) {
740	my ($name, $args) = @$_;	1070	my ($name, $args) = @$_;
741		1071
742	$obj->attach ($name, %{$args || {} });	1072	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1088	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1089	my ($filename, $rdata, $objs) = @_;
760		1090
761	sync_job {	1091	sync_job {
762	if (length $$rdata) {	1092	if (length $$rdata) {
		1093	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1094	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1095	$decname, length $$rdata, scalar @$objs;
765		1096
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1099	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1100	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1101	close $fh;
771		1102
772	if (@$objs) {	1103	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1104	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1106	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1107	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1108	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1109	close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1110	aio_rename "$filename.pst~", "$filename.pst";
780	}	1111	}
…		…
788	}	1119	}
789	} else {	1120	} else {
790	aio_unlink $filename;	1121	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1122	aio_unlink "$filename.pst";
792	}	1123	}
793	}	1124	};
794	}	1125	}
795		1126
796	sub object_freezer_as_string {	1127	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1128	my ($rdata, $objs) = @_;
798		1129
…		…
810	or return;	1141	or return;
811		1142
812	unless (aio_stat "$filename.pst") {	1143	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1144	(aio_load "$filename.pst", $av) >= 0
814	or return;	1145	or return;
		1146
815	$av = eval { (Storable::thaw $av)->{objs} };	1147	my $st = eval { Coro::Storable::thaw $av };
		1148	$av = $st->{objs};
816	}	1149	}
817		1150
		1151	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1152	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1153	$decname, length $data, scalar @{$av || []};
		1154
820	return ($data, $av);	1155	($data, $av)
821	}	1156	}
		1157
		1158	=head2 COMMAND CALLBACKS
		1159
		1160	=over 4
		1161
		1162	=cut
822		1163
823	#############################################################################	1164	#############################################################################
824	# command handling &c	1165	# command handling &c
825		1166
826	=item cf::register_command $name => \&callback($ob,$args);	1167	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1180	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1181	}
841		1182
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1183	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1184
844	Register a callbackf ro execution when the client sends an extcmd packet.	1185	Register a callback for execution when the client sends an (synchronous)
		1186	extcmd packet. Ext commands will be processed in the order they are
		1187	received by the server, like other user commands. The first argument is
		1188	the logged-in player. Ext commands can only be processed after a player
		1189	has logged in successfully.
845		1190
846	If the callback returns something, it is sent back as if reply was being	1191	If the callback returns something, it is sent back as if reply was being
847	called.	1192	called.
848		1193
		1194	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1195
		1196	Register a callback for execution when the client sends an (asynchronous)
		1197	exticmd packet. Exti commands are processed by the server as soon as they
		1198	are received, i.e. out of order w.r.t. other commands. The first argument
		1199	is a client socket. Exti commands can be received anytime, even before
		1200	log-in.
		1201
		1202	If the callback returns something, it is sent back as if reply was being
		1203	called.
		1204
849	=cut	1205	=cut
850		1206
851	sub register_extcmd {	1207	sub register_extcmd {
852	my ($name, $cb) = @_;	1208	my ($name, $cb) = @_;
853		1209
854	$EXTCMD{$name} = $cb;	1210	$EXTCMD{$name} = $cb;
		1211	}
		1212
		1213	sub register_exticmd {
		1214	my ($name, $cb) = @_;
		1215
		1216	$EXTICMD{$name} = $cb;
855	}	1217	}
856		1218
857	cf::player->attach (	1219	cf::player->attach (
858	on_command => sub {	1220	on_command => sub {
859	my ($pl, $name, $params) = @_;	1221	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1230	cf::override;
869	},	1231	},
870	on_extcmd => sub {	1232	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1233	my ($pl, $buf) = @_;
872		1234
873	my $msg = eval { from_json $buf };	1235	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1236
875	if (ref $msg) {	1237	if (ref $msg) {
		1238	my ($type, $reply, @payload) =
		1239	"ARRAY" eq ref $msg
		1240	? @$msg
		1241	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1242
		1243	my @reply;
		1244
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1245	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1246	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1247	}
		1248
		1249	$pl->ext_reply ($reply, @reply)
		1250	if $reply;
		1251
881	} else {	1252	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1253	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1254	}
884		1255
885	cf::override;	1256	cf::override;
886	},	1257	},
887	);	1258	);
888		1259
889	sub load_extension {
890	my ($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 {	1260	sub load_extensions {
		1261	cf::sync_job {
		1262	my %todo;
		1263
924	for my $ext (<$LIBDIR/*.ext>) {	1264	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1265	next unless -r $path;
926	eval {	1266
927	load_extension $ext;	1267	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1268	my $base = $1;
		1269	my $pkg = $1;
		1270	$pkg =~ s/[^[:word:]]/_/g;
		1271	$pkg = "ext::$pkg";
		1272
		1273	open my $fh, "<:utf8", $path
		1274	or die "$path: $!";
		1275
		1276	my $source = do { local $/; <$fh> };
		1277
		1278	my %ext = (
		1279	path => $path,
		1280	base => $base,
		1281	pkg => $pkg,
		1282	);
		1283
		1284	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1285	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1286
		1287	$ext{source} =
		1288	"package $pkg; use strict; use utf8;\n"
		1289	. "#line 1 \"$path\"\n{\n"
		1290	. $source
		1291	. "\n};\n1";
		1292
		1293	$todo{$base} = \%ext;
		1294	}
		1295
		1296	my %done;
		1297	while (%todo) {
		1298	my $progress;
		1299
		1300	while (my ($k, $v) = each %todo) {
		1301	for (split /,\s*/, $v->{meta}{depends}) {
		1302	goto skip
		1303	unless exists $done{$_};
		1304	}
		1305
		1306	warn "... loading '$k' into '$v->{pkg}'\n";
		1307
		1308	unless (eval $v->{source}) {
		1309	my $msg = $@ ? "$v->{path}: $@\n"
		1310	: "$v->{base}: extension inactive.\n";
		1311
		1312	if (exists $v->{meta}{mandatory}) {
		1313	warn $msg;
		1314	warn "mandatory extension failed to load, exiting.\n";
		1315	exit 1;
		1316	}
		1317
		1318	warn $msg;
		1319	}
		1320
		1321	$done{$k} = delete $todo{$k};
		1322	push @EXTS, $v->{pkg};
		1323	$progress = 1;
928	1	1324	}
929	} or warn "$ext not loaded: $@";	1325
		1326	skip:
		1327	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1328	unless $progress;
		1329	}
930	}	1330	};
931	}	1331	}
932		1332
933	#############################################################################	1333	#############################################################################
934		1334
		1335	=back
		1336
935	=head2 CORE EXTENSIONS	1337	=head2 CORE EXTENSIONS
936		1338
937	Functions and methods that extend core crossfire objects.	1339	Functions and methods that extend core crossfire objects.
938		1340
939	=cut	1341	=cut
…		…
944		1346
945	=head3 cf::player	1347	=head3 cf::player
946		1348
947	=over 4	1349	=over 4
948		1350
		1351	=item cf::player::num_playing
		1352
		1353	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1354
		1355	=cut
		1356
		1357	sub num_playing {
		1358	scalar grep
		1359	$_->ob->map
		1360	&& !$_->hidden
		1361	&& !$_->ob->flag (cf::FLAG_WIZ),
		1362	cf::player::list
		1363	}
		1364
949	=item cf::player::find $login	1365	=item cf::player::find $login
950		1366
951	Returns the given player object, loading it if necessary (might block).	1367	Returns the given player object, loading it if necessary (might block).
952		1368
953	=cut	1369	=cut
954		1370
955	sub playerdir($) {	1371	sub playerdir($) {
956	cf::localdir	1372	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1373	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1374	}
962		1375
963	sub path($) {	1376	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1377	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1404	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1405	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1406	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1407	aio_unlink +(playerdir $login) . "/$login.pl";
995		1408
996	my $pl = load_pl path $login	1409	my $f = new_from_file cf::object::thawer path $login
997	or return;	1410	or return;
		1411
		1412	my $pl = cf::player::load_pl $f
		1413	or return;
		1414	local $cf::PLAYER_LOADING{$login} = $pl;
		1415	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1416	$cf::PLAYER{$login} = $pl
999	}	1417	}
1000	}	1418	}
1001	}	1419	}
1002		1420
…		…
1012		1430
1013	aio_mkdir playerdir $pl, 0770;	1431	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1432	$pl->{last_save} = $cf::RUNTIME;
1015		1433
1016	$pl->save_pl ($path);	1434	$pl->save_pl ($path);
1017	Coro::cede;	1435	cf::cede_to_tick;
1018	}	1436	}
1019		1437
1020	sub new($) {	1438	sub new($) {
1021	my ($login) = @_;	1439	my ($login) = @_;
1022		1440
…		…
1026	$self->{deny_save} = 1;	1444	$self->{deny_save} = 1;
1027		1445
1028	$cf::PLAYER{$login} = $self;	1446	$cf::PLAYER{$login} = $self;
1029		1447
1030	$self	1448	$self
		1449	}
		1450
		1451	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1452
		1453	=cut
		1454
		1455	sub send_msg {
		1456	my $ns = shift->ns
		1457	or return;
		1458	$ns->send_msg (@_);
1031	}	1459	}
1032		1460
1033	=item $pl->quit_character	1461	=item $pl->quit_character
1034		1462
1035	Nukes the player without looking back. If logged in, the connection will	1463	Nukes the player without looking back. If logged in, the connection will
…		…
1084	while and may block, so not sync_job-capable, ever.	1512	while and may block, so not sync_job-capable, ever.
1085		1513
1086	=cut	1514	=cut
1087		1515
1088	sub list_logins {	1516	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1517	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1518	or return [];
1091		1519
1092	my @logins;	1520	my @logins;
1093		1521
1094	for my $login (@$dirs) {	1522	for my $login (@$dirs) {
		1523	my $path = path $login;
		1524
		1525	# a .pst is a dead give-away for a valid player
		1526	unless (-e "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1527	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1528	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1529	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1530	}
1098		1531
1099	utf8::decode $login;	1532	utf8::decode $login;
1100	push @logins, $login;	1533	push @logins, $login;
1101	}	1534	}
1102		1535
…		…
1129	}	1562	}
1130		1563
1131	\@paths	1564	\@paths
1132	}	1565	}
1133		1566
		1567	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1568
		1569	Expand crossfire pod fragments into protocol xml.
		1570
		1571	=cut
		1572
		1573	use re 'eval';
		1574
		1575	my $group;
		1576	my $interior; $interior = qr{
		1577	# match a pod interior sequence sans C<< >>
		1578	(?:
		1579	\ (.*?)\ (?{ $group = $^N })
		1580	| < (??{$interior}) >
		1581	)
		1582	}x;
		1583
		1584	sub expand_cfpod {
		1585	my ($self, $pod) = @_;
		1586
		1587	my $xml;
		1588
		1589	while () {
		1590	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1591	$group = $1;
		1592
		1593	$group =~ s/&/&amp;/g;
		1594	$group =~ s/</&lt;/g;
		1595
		1596	$xml .= $group;
		1597	} elsif ($pod =~ m%\G
		1598	([BCGHITU])
		1599	<
		1600	(?:
		1601	([^<>]*) (?{ $group = $^N })
		1602	| < $interior >
		1603	)
		1604	>
		1605	%gcsx
		1606	) {
		1607	my ($code, $data) = ($1, $group);
		1608
		1609	if ($code eq "B") {
		1610	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1611	} elsif ($code eq "I") {
		1612	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1613	} elsif ($code eq "U") {
		1614	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1615	} elsif ($code eq "C") {
		1616	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1617	} elsif ($code eq "T") {
		1618	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1619	} elsif ($code eq "G") {
		1620	my ($male, $female) = split /\|/, $data;
		1621	$data = $self->gender ? $female : $male;
		1622	$xml .= expand_cfpod ($self, $data);
		1623	} elsif ($code eq "H") {
		1624	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1625	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1626	"")
		1627	[$self->{hintmode}];
		1628	} else {
		1629	$xml .= "error processing '$code($data)' directive";
		1630	}
		1631	} else {
		1632	if ($pod =~ /\G(.+)/) {
		1633	warn "parse error while expanding $pod (at $1)";
		1634	}
		1635	last;
		1636	}
		1637	}
		1638
		1639	for ($xml) {
		1640	# create single paragraphs (very hackish)
		1641	s/(?<=\S)\n(?=\w)/ /g;
		1642
		1643	# compress some whitespace
		1644	s/\s+\n/\n/g; # ws line-ends
		1645	s/\n\n+/\n/g; # double lines
		1646	s/^\n+//; # beginning lines
		1647	s/\n+$//; # ending lines
		1648	}
		1649
		1650	$xml
		1651	}
		1652
		1653	no re 'eval';
		1654
		1655	sub hintmode {
		1656	$_[0]{hintmode} = $_[1] if @_ > 1;
		1657	$_[0]{hintmode}
		1658	}
		1659
1134	=item $player->ext_reply ($msgid, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1135		1661
1136	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1137		1663
1138	=cut	1664	=cut
1139		1665
1140	sub ext_reply($$%) {	1666	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1142		1668
1143	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1670	}
1147		1671
1148	=item $player->ext_event ($type, %msg)	1672	=item $player->ext_msg ($type, @msg)
1149		1673
1150	Sends an ext event to the client.	1674	Sends an ext event to the client.
1151		1675
1152	=cut	1676	=cut
1153		1677
1154	sub ext_event($$%) {	1678	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1679	my ($self, $type, @msg) = @_;
1156		1680
1157	$self->ns->ext_event ($type, %msg);	1681	$self->ns->ext_msg ($type, @msg);
1158	}	1682	}
1159		1683
1160	=head3 cf::region	1684	=head3 cf::region
1161		1685
1162	=over 4	1686	=over 4
…		…
1165		1689
1166	package cf::region;	1690	package cf::region;
1167		1691
1168	=item cf::region::find_by_path $path	1692	=item cf::region::find_by_path $path
1169		1693
1170	Tries to decuce the probable region for a map knowing only its path.	1694	Tries to decuce the likely region for a map knowing only its path.
1171		1695
1172	=cut	1696	=cut
1173		1697
1174	sub find_by_path($) {	1698	sub find_by_path($) {
1175	my ($path) = @_;	1699	my ($path) = @_;
1176		1700
1177	my ($match, $specificity);	1701	my ($match, $specificity);
1178		1702
1179	for my $region (list) {	1703	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1704	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1705	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1706	if $region->specificity > $specificity;
1183	}	1707	}
1184	}	1708	}
1185		1709
…		…
1249	my ($self, $merge) = @_;	1773	my ($self, $merge) = @_;
1250		1774
1251	# we have to keep some variables in memory intact	1775	# we have to keep some variables in memory intact
1252	local $self->{path};	1776	local $self->{path};
1253	local $self->{load_path};	1777	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1778
1257	$self->SUPER::thawer_merge ($merge);	1779	$self->SUPER::thawer_merge ($merge);
1258	}	1780	}
1259		1781
1260	sub normalise {	1782	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1829	$self->init; # pass $1 etc.
1308	return $self;	1830	return $self;
1309	}	1831	}
1310	}	1832	}
1311		1833
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1834	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1835	()
1314	}	1836	}
1315		1837
1316	sub init {	1838	sub init {
1317	my ($self) = @_;	1839	my ($self) = @_;
…		…
1332		1854
1333	# the original (read-only) location	1855	# the original (read-only) location
1334	sub load_path {	1856	sub load_path {
1335	my ($self) = @_;	1857	my ($self) = @_;
1336		1858
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1859	"$MAPDIR/$self->{path}.map"
1338	}	1860	}
1339		1861
1340	# the temporary/swap location	1862	# the temporary/swap location
1341	sub save_path {	1863	sub save_path {
1342	my ($self) = @_;	1864	my ($self) = @_;
1343		1865
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1867	"$TMPDIR/$path.map"
1346	}	1868	}
1347		1869
1348	# the unique path, undef == no special unique path	1870	# the unique path, undef == no special unique path
1349	sub uniq_path {	1871	sub uniq_path {
1350	my ($self) = @_;	1872	my ($self) = @_;
1351		1873
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1875	"$UNIQUEDIR/$path"
1354	}	1876	}
1355		1877
1356	# and all this just because we cannot iterate over	1878	# and all this just because we cannot iterate over
1357	# all maps in C++...	1879	# all maps in C++...
1358	sub change_all_map_light {	1880	sub change_all_map_light {
…		…
1360		1882
1361	$_->change_map_light ($change)	1883	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1884	for grep $_->outdoor, values %cf::MAP;
1363	}	1885	}
1364		1886
		1887	sub decay_objects {
		1888	my ($self) = @_;
		1889
		1890	return if $self->{deny_reset};
		1891
		1892	$self->do_decay_objects;
		1893	}
		1894
1365	sub unlink_save {	1895	sub unlink_save {
1366	my ($self) = @_;	1896	my ($self) = @_;
1367		1897
1368	utf8::encode (my $save = $self->save_path);	1898	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1899	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1902
1373	sub load_header_from($) {	1903	sub load_header_from($) {
1374	my ($self, $path) = @_;	1904	my ($self, $path) = @_;
1375		1905
1376	utf8::encode $path;	1906	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1907	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1908	or return;
		1909
		1910	$self->_load_header ($f)
		1911	or return;
		1912
		1913	local $MAP_LOADING{$self->{path}} = $self;
		1914	$f->resolve_delayed_derefs;
1382		1915
1383	$self->{load_path} = $path;	1916	$self->{load_path} = $path;
1384		1917
1385	1	1918	1
1386	}	1919	}
…		…
1425	$self->load_header_orig	1958	$self->load_header_orig
1426	or return;	1959	or return;
1427	$self->prepare_orig;	1960	$self->prepare_orig;
1428	}	1961	}
1429		1962
		1963	$self->{deny_reset} = 1
		1964	if $self->no_reset;
		1965
1430	$self->default_region (cf::region::find_by_path $self->{path})	1966	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1967	unless $self->default_region;
1432		1968
1433	1	1969	1
1434	}	1970	}
…		…
1437	sub find {	1973	sub find {
1438	my ($path, $origin) = @_;	1974	my ($path, $origin) = @_;
1439		1975
1440	$path = normalise $path, $origin && $origin->path;	1976	$path = normalise $path, $origin && $origin->path;
1441		1977
		1978	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1979	cf::lock_wait "map_find:$path";
1443		1980
1444	$cf::MAP{$path} || do {	1981	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";	1982	my $guard1 = cf::lock_acquire "map_find:$path";
		1983	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1984
1446	my $map = new_from_path cf::map $path	1985	my $map = new_from_path cf::map $path
1447	or return;	1986	or return;
1448		1987
1449	$map->{last_save} = $cf::RUNTIME;	1988	$map->{last_save} = $cf::RUNTIME;
1450		1989
1451	$map->load_header	1990	$map->load_header
1452	or return;	1991	or return;
1453		1992
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1993	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1994	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1995	#$cf::WAIT_FOR_TICK->wait;
		1996	undef $guard1;
		1997	undef $guard2;
1457	$map->reset;	1998	$map->reset;
1458	undef $guard;
1459	return find $path;	1999	return find $path;
1460	}	2000	}
1461		2001
1462	$cf::MAP{$path} = $map	2002	$cf::MAP{$path} = $map
1463	}	2003	}
…		…
1470	my ($self) = @_;	2010	my ($self) = @_;
1471		2011
1472	local $self->{deny_reset} = 1; # loading can take a long time	2012	local $self->{deny_reset} = 1; # loading can take a long time
1473		2013
1474	my $path = $self->{path};	2014	my $path = $self->{path};
		2015
		2016	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2017	my $guard = cf::lock_acquire "map_data:$path";
1476		2018
		2019	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2020	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2021
1479	$self->in_memory (cf::MAP_LOADING);	2022	$self->in_memory (cf::MAP_LOADING);
1480		2023
1481	$self->alloc;	2024	$self->alloc;
1482		2025
1483	$self->pre_load;	2026	$self->pre_load;
1484	Coro::cede;	2027	cf::cede_to_tick;
1485		2028
1486	$self->_load_objects ($self->{load_path}, 1)	2029	my $f = new_from_file cf::object::thawer $self->{load_path};
		2030	$f->skip_block;
		2031	$self->_load_objects ($f)
1487	or return;	2032	or return;
1488		2033
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2034	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};	2035	if delete $self->{load_original};
1491		2036
1492	if (my $uniq = $self->uniq_path) {	2037	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2038	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2039	unless (aio_stat $uniq) {
		2040	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2041	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2042	$self->_load_objects ($f);
		2043	$f->resolve_delayed_derefs;
		2044	}
1497	}	2045	}
1498	}	2046	}
1499		2047
1500	Coro::cede;	2048	$f->resolve_delayed_derefs;
		2049
		2050	cf::cede_to_tick;
1501	# now do the right thing for maps	2051	# now do the right thing for maps
1502	$self->link_multipart_objects;	2052	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($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)	2053	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2054	unless $self->difficulty;
1513	Coro::cede;	2055	cf::cede_to_tick;
		2056
		2057	unless ($self->{deny_activate}) {
		2058	$self->decay_objects;
		2059	$self->fix_auto_apply;
		2060	$self->update_buttons;
		2061	cf::cede_to_tick;
		2062	$self->set_darkness_map;
		2063	cf::cede_to_tick;
1514	$self->activate;	2064	$self->activate;
1515	Coro::cede;	2065	}
		2066
		2067	$self->{last_save} = $cf::RUNTIME;
		2068	$self->last_access ($cf::RUNTIME);
		2069
		2070	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	2071	}
1517		2072
1518	$self->post_load;	2073	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2074	}
1523		2075
1524	sub customise_for {	2076	sub customise_for {
1525	my ($self, $ob) = @_;	2077	my ($self, $ob) = @_;
1526		2078
1527	return find "~" . $ob->name . "/" . $self->{path}	2079	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2080	if $self->per_player;
1529		2081
		2082	# return find "?party/" . $ob->name . "/" . $self->{path}
		2083	# if $self->per_party;
		2084
1530	$self	2085	$self
1531	}	2086	}
1532		2087
1533	# find and load all maps in the 3x3 area around a map	2088	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2089	sub load_neighbours {
1535	my ($map) = @_;	2090	my ($map) = @_;
1536		2091
1537	my @diag; # diagonal neighbours	2092	my @neigh; # diagonal neighbours
1538		2093
1539	for (0 .. 3) {	2094	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2095	my $neigh = $map->tile_path ($_)
1541	or next;	2096	or next;
1542	$neigh = find $neigh, $map	2097	$neigh = find $neigh, $map
1543	or next;	2098	or next;
1544	$neigh->load;	2099	$neigh->load;
1545		2100
		2101	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2102	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2103	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2104	}
1549		2105
1550	for (@diag) {	2106	for (grep defined $_->[0], @neigh) {
		2107	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2108	my $neigh = find $path, $origin
1552	or next;	2109	or next;
1553	$neigh->load;	2110	$neigh->load;
1554	}	2111	}
1555	}	2112	}
1556		2113
…		…
1561	}	2118	}
1562		2119
1563	sub do_load_sync {	2120	sub do_load_sync {
1564	my ($map) = @_;	2121	my ($map) = @_;
1565		2122
		2123	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2124	if $Coro::current == $Coro::main;
		2125
1566	cf::sync_job { $map->load };	2126	cf::sync_job { $map->load };
1567	}	2127	}
1568		2128
1569	our %MAP_PREFETCH;	2129	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2130	our $MAP_PREFETCHER = undef;
1571		2131
1572	sub find_async {	2132	sub find_async {
1573	my ($path, $origin) = @_;	2133	my ($path, $origin, $load) = @_;
1574		2134
1575	$path = normalise $path, $origin && $origin->{path};	2135	$path = normalise $path, $origin && $origin->{path};
1576		2136
1577	if (my $map = $cf::MAP{$path}) {	2137	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2138	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1579	}	2139	}
1580		2140
1581	undef $MAP_PREFETCH{$path};	2141	$MAP_PREFETCH{$path} |= $load;
		2142
1582	$MAP_PREFETCHER ||= cf::async {	2143	$MAP_PREFETCHER ||= cf::async {
		2144	$Coro::current->{desc} = "map prefetcher";
		2145
1583	while (%MAP_PREFETCH) {	2146	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2147	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2148	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2149	$map->load if $v;
		2150	}
1588		2151
1589	delete $MAP_PREFETCH{$path};	2152	delete $MAP_PREFETCH{$k};
1590	}	2153	}
1591	}	2154	}
1592	undef $MAP_PREFETCHER;	2155	undef $MAP_PREFETCHER;
1593	};	2156	};
1594	$MAP_PREFETCHER->prio (6);	2157	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2160	}
1598		2161
1599	sub save {	2162	sub save {
1600	my ($self) = @_;	2163	my ($self) = @_;
1601		2164
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2166
1604	$self->{last_save} = $cf::RUNTIME;	2167	$self->{last_save} = $cf::RUNTIME;
1605		2168
1606	return unless $self->dirty;	2169	return unless $self->dirty;
1607		2170
…		…
1613	return if $self->{deny_save};	2176	return if $self->{deny_save};
1614		2177
1615	local $self->{last_access} = $self->last_access;#d#	2178	local $self->{last_access} = $self->last_access;#d#
1616		2179
1617	cf::async {	2180	cf::async {
		2181	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2182	$_->contr->save for $self->players;
1619	};	2183	};
1620		2184
1621	if ($uniq) {	2185	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1630	my ($self) = @_;	2194	my ($self) = @_;
1631		2195
1632	# save first because save cedes	2196	# save first because save cedes
1633	$self->save;	2197	$self->save;
1634		2198
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2199	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2200
1637	return if $self->players;	2201	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2202	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};	2203	return if $self->{deny_save};
1640		2204
		2205	$self->in_memory (cf::MAP_SWAPPED);
		2206
		2207	$self->deactivate;
		2208	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2209	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2210	}
1644		2211
1645	sub reset_at {	2212	sub reset_at {
1646	my ($self) = @_;	2213	my ($self) = @_;
1647		2214
1648	# TODO: safety, remove and allow resettable per-player maps	2215	# 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};	2216	return 1e99 if $self->{deny_reset};
1651		2217
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2218	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2219	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2220
…		…
1665	my ($self) = @_;	2231	my ($self) = @_;
1666		2232
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2233	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2234
1669	return if $self->players;	2235	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2236
1672	warn "resetting map ", $self->path;#d#	2237	warn "resetting map ", $self->path;
1673		2238
1674	$self->in_memory (cf::MAP_SWAPPED);	2239	$self->in_memory (cf::MAP_SWAPPED);
1675		2240
1676	# need to save uniques path	2241	# need to save uniques path
1677	unless ($self->{deny_save}) {	2242	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2246	if $uniq;
1682	}	2247	}
1683		2248
1684	delete $cf::MAP{$self->path};	2249	delete $cf::MAP{$self->path};
1685		2250
		2251	$self->deactivate;
		2252	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2253	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2254
1690	$self->unlink_save;	2255	$self->unlink_save;
1691	$self->destroy;	2256	$self->destroy;
1692	}	2257	}
1693		2258
1694	my $nuke_counter = "aaaa";	2259	my $nuke_counter = "aaaa";
1695		2260
1696	sub nuke {	2261	sub nuke {
1697	my ($self) = @_;	2262	my ($self) = @_;
1698		2263
		2264	{
		2265	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2266
1699	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
1700		2268
1701	$self->unlink_save;	2269	$self->unlink_save;
1702		2270
1703	bless $self, "cf::map";	2271	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2272	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2273	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2274	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2275	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2276
1709	$cf::MAP{$self->path} = $self;	2277	$cf::MAP{$self->path} = $self;
		2278	}
1710		2279
1711	$self->reset; # polite request, might not happen	2280	$self->reset; # polite request, might not happen
		2281	}
		2282
		2283	=item $maps = cf::map::tmp_maps
		2284
		2285	Returns an arrayref with all map paths of currently instantiated and saved
		2286	maps. May block.
		2287
		2288	=cut
		2289
		2290	sub tmp_maps() {
		2291	[
		2292	map {
		2293	utf8::decode $_;
		2294	/\.map$/
		2295	? normalise $_
		2296	: ()
		2297	} @{ aio_readdir $TMPDIR or [] }
		2298	]
		2299	}
		2300
		2301	=item $maps = cf::map::random_maps
		2302
		2303	Returns an arrayref with all map paths of currently instantiated and saved
		2304	random maps. May block.
		2305
		2306	=cut
		2307
		2308	sub random_maps() {
		2309	[
		2310	map {
		2311	utf8::decode $_;
		2312	/\.map$/
		2313	? normalise "?random/$_"
		2314	: ()
		2315	} @{ aio_readdir $RANDOMDIR or [] }
		2316	]
1712	}	2317	}
1713		2318
1714	=item cf::map::unique_maps	2319	=item cf::map::unique_maps
1715		2320
1716	Returns an arrayref of paths of all shared maps that have	2321	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2322	instantiated unique items. May block.
1718		2323
1719	=cut	2324	=cut
1720		2325
1721	sub unique_maps() {	2326	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2327	[
1723	or return;	2328	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2329	utf8::decode $_;
1729	next if /\.pst$/;	2330	/\.map$/
1730	next unless /^$PATH_SEP/o;	2331	? normalise $_
1731		2332	: ()
1732	push @paths, cf::map::normalise $_;	2333	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2334	]
1734
1735	\@paths
1736	}	2335	}
1737		2336
1738	package cf;	2337	package cf;
1739		2338
1740	=back	2339	=back
…		…
1758	map { $_, inv_recursive_ $_->inv } @_	2357	map { $_, inv_recursive_ $_->inv } @_
1759	}	2358	}
1760		2359
1761	sub inv_recursive {	2360	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2361	inv_recursive_ inv $_[0]
		2362	}
		2363
		2364	=item $ref = $ob->ref
		2365
		2366	creates and returns a persistent reference to an objetc that can be stored as a string.
		2367
		2368	=item $ob = cf::object::deref ($refstring)
		2369
		2370	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2371	even if the object actually exists. May block.
		2372
		2373	=cut
		2374
		2375	sub deref {
		2376	my ($ref) = @_;
		2377
		2378	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2379	my ($uuid, $name) = ($1, $2);
		2380	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2381	or return;
		2382	$pl->ob->uuid eq $uuid
		2383	or return;
		2384
		2385	$pl->ob
		2386	} else {
		2387	warn "$ref: cannot resolve object reference\n";
		2388	undef
		2389	}
1763	}	2390	}
1764		2391
1765	package cf;	2392	package cf;
1766		2393
1767	=back	2394	=back
…		…
1786		2413
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2414	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2415
1789	if ($self->{record_replies}) {	2416	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2417	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2418
1791	} else {	2419	} else {
		2420	my $pl = $self->contr;
		2421
		2422	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2423	my $dialog = $pl->{npc_dialog};
		2424	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2425
		2426	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2427	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2428	$self->message ($msg, $flags);
		2429	}
1794	}	2430	}
		2431	}
		2432
		2433	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2434
		2435	=cut
		2436
		2437	sub cf::object::send_msg {
		2438	my $pl = shift->contr
		2439	or return;
		2440	$pl->send_msg (@_);
1795	}	2441	}
1796		2442
1797	=item $player_object->may ("access")	2443	=item $player_object->may ("access")
1798		2444
1799	Returns wether the given player is authorized to access resource "access"	2445	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2492	$self->deactivate_recursive;
1847		2493
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2494	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2495
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2496	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2497	if $self->map && $self->map->{path} ne "{link}";
1852		2498
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2499	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2500	}
1855		2501
1856	sub cf::object::player::leave_link {	2502	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2503	my ($self, $map, $x, $y) = @_;
		2504
		2505	return unless $self->contr->active;
1858		2506
1859	my $link_pos = delete $self->{_link_pos};	2507	my $link_pos = delete $self->{_link_pos};
1860		2508
1861	unless ($map) {	2509	unless ($map) {
1862	# restore original map position	2510	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2524	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2525	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2526	if $x <=0 && $y <= 0;
1879		2527
1880	$map->load;	2528	$map->load;
1881	$map->load_diag;	2529	$map->load_neighbours;
1882		2530
1883	return unless $self->contr->active;	2531	return unless $self->contr->active;
1884	$self->activate_recursive;	2532	$self->activate_recursive;
1885		2533
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2534	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2535	$self->enter_map ($map, $x, $y);
1888	}	2536	}
1889		2537
1890	cf::player->attach (	2538	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2539
1894	# abort map switching before logout	2540	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2541	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2542	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2543	the new (success) or old (failed) map position. In either case, $done will
1898	};	2544	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2545
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	2546	=cut
		2547
		2548	our $GOTOGEN;
1925		2549
1926	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2551	my ($self, $path, $x, $y, $check, $done) = @_;
		2552
		2553	# do generation counting so two concurrent goto's will be executed in-order
		2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2555
1929	$self->enter_link;	2556	$self->enter_link;
1930		2557
1931	(async {	2558	(async {
		2559	$Coro::current->{desc} = "player::goto $path $x $y";
		2560
		2561	# *tag paths override both path and x|y
		2562	if ($path =~ /^\*(.*)$/) {
		2563	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2564	my $ob = $obs[rand @obs];
		2565
		2566	# see if we actually can go there
		2567	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2568	$ob = $obs[rand @obs];
		2569	} else {
		2570	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2571	}
		2572	# else put us there anyways for now #d#
		2573
		2574	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2575	} else {
		2576	($path, $x, $y) = (undef, undef, undef);
		2577	}
		2578	}
		2579
1932	my $map = eval {	2580	my $map = eval {
1933	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
		2582
		2583	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2584	$map = $map->customise_for ($self);
		2585	$map = $check->($map) if $check && $map;
		2586	} else {
		2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	}
		2589
1935	$map	2590	$map
		2591	};
		2592
		2593	if ($@) {
		2594	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2596	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2597
		2598	if ($gen == $self->{_goto_generation}) {
		2599	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2600	$self->leave_link ($map, $x, $y);
		2601	}
		2602
		2603	$done->() if $done;
1940	})->prio (1);	2604	})->prio (1);
1941	}	2605	}
1942		2606
1943	=item $player_object->enter_exit ($exit_object)	2607	=item $player_object->enter_exit ($exit_object)
1944		2608
…		…
1981	$rmp->{origin_y} = $exit->y;	2645	$rmp->{origin_y} = $exit->y;
1982	}	2646	}
1983		2647
1984	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
1985		2649
1986	my $data = cf::to_json $rmp;	2650	my $data = cf::encode_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
1989		2653
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2656	undef $fh;
1993	aio_rename "$meta~", $meta;	2657	aio_rename "$meta~", $meta;
…		…
2013	my $hp = $exit->stats->hp;	2677	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2678	my $sp = $exit->stats->sp;
2015		2679
2016	$self->enter_link;	2680	$self->enter_link;
2017		2681
		2682	# if exit is damned, update players death & WoR home-position
		2683	$self->contr->savebed ($slaying, $hp, $sp)
		2684	if $exit->flag (FLAG_DAMNED);
		2685
2018	(async {	2686	(async {
		2687	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2688
2019	$self->deactivate_recursive; # just to be sure	2689	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2690	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2691	$self->goto ($slaying, $hp, $sp);
2022		2692
2023	1;	2693	1;
…		…
2049		2719
2050	utf8::encode $text;	2720	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2721	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2722	}
2053		2723
		2724	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2725
		2726	Send a drawinfo or msg packet to the client, formatting the msg for the
		2727	client if neccessary. C<$type> should be a string identifying the type of
		2728	the message, with C<log> being the default. If C<$color> is negative, suppress
		2729	the message unless the client supports the msg packet.
		2730
		2731	=cut
		2732
		2733	# non-persistent channels (usually the info channel)
		2734	our %CHANNEL = (
		2735	"c/identify" => {
		2736	id => "infobox",
		2737	title => "Identify",
		2738	reply => undef,
		2739	tooltip => "Items recently identified",
		2740	},
		2741	"c/examine" => {
		2742	id => "infobox",
		2743	title => "Examine",
		2744	reply => undef,
		2745	tooltip => "Signs and other items you examined",
		2746	},
		2747	"c/book" => {
		2748	id => "infobox",
		2749	title => "Book",
		2750	reply => undef,
		2751	tooltip => "The contents of a note or book",
		2752	},
		2753	"c/lookat" => {
		2754	id => "infobox",
		2755	title => "Look",
		2756	reply => undef,
		2757	tooltip => "What you saw there",
		2758	},
		2759	"c/who" => {
		2760	id => "infobox",
		2761	title => "Players",
		2762	reply => undef,
		2763	tooltip => "Shows players who are currently online",
		2764	},
		2765	"c/body" => {
		2766	id => "infobox",
		2767	title => "Body Parts",
		2768	reply => undef,
		2769	tooltip => "Shows which body parts you posess and are available",
		2770	},
		2771	"c/uptime" => {
		2772	id => "infobox",
		2773	title => "Uptime",
		2774	reply => undef,
		2775	tooltip => "How long the server has been running since last restart",
		2776	},
		2777	"c/mapinfo" => {
		2778	id => "infobox",
		2779	title => "Map Info",
		2780	reply => undef,
		2781	tooltip => "Information related to the maps",
		2782	},
		2783	);
		2784
		2785	sub cf::client::send_msg {
		2786	my ($self, $channel, $msg, $color, @extra) = @_;
		2787
		2788	$msg = $self->pl->expand_cfpod ($msg);
		2789
		2790	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2791
		2792	# check predefined channels, for the benefit of C
		2793	if ($CHANNEL{$channel}) {
		2794	$channel = $CHANNEL{$channel};
		2795
		2796	$self->ext_msg (channel_info => $channel)
		2797	if $self->can_msg;
		2798
		2799	$channel = $channel->{id};
		2800
		2801	} elsif (ref $channel) {
		2802	# send meta info to client, if not yet sent
		2803	unless (exists $self->{channel}{$channel->{id}}) {
		2804	$self->{channel}{$channel->{id}} = $channel;
		2805	$self->ext_msg (channel_info => $channel)
		2806	if $self->can_msg;
		2807	}
		2808
		2809	$channel = $channel->{id};
		2810	}
		2811
		2812	return unless @extra || length $msg;
		2813
		2814	if ($self->can_msg) {
		2815	# default colour, mask it out
		2816	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2817	if $color & cf::NDI_DEF;
		2818
		2819	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2820	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2821	} else {
		2822	if ($color >= 0) {
		2823	# replace some tags by gcfclient-compatible ones
		2824	for ($msg) {
		2825	1 while
		2826	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2827	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2828	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2829	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2830	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2831	}
		2832
		2833	$color &= cf::NDI_COLOR_MASK;
		2834
		2835	utf8::encode $msg;
		2836
		2837	if (0 && $msg =~ /\[/) {
		2838	# COMMAND/INFO
		2839	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2840	} else {
		2841	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2842	$self->send_packet ("drawinfo $color $msg")
		2843	}
		2844	}
		2845	}
		2846	}
		2847
2054	=item $client->ext_event ($type, %msg)	2848	=item $client->ext_msg ($type, @msg)
2055		2849
2056	Sends an exti event to the client.	2850	Sends an ext event to the client.
2057		2851
2058	=cut	2852	=cut
2059		2853
2060	sub cf::client::ext_event($$%) {	2854	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2855	my ($self, $type, @msg) = @_;
2062		2856
		2857	if ($self->extcmd == 2) {
		2858	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2859	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2860	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2861	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2862	}
		2863	}
		2864
		2865	=item $client->ext_reply ($msgid, @msg)
		2866
		2867	Sends an ext reply to the client.
		2868
		2869	=cut
		2870
		2871	sub cf::client::ext_reply($$@) {
		2872	my ($self, $id, @msg) = @_;
		2873
		2874	if ($self->extcmd == 2) {
		2875	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2876	} elsif ($self->extcmd == 1) {
		2877	#TODO: version 1, remove
		2878	unshift @msg, msgtype => "reply", msgid => $id;
		2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2880	}
2065	}	2881	}
2066		2882
2067	=item $success = $client->query ($flags, "text", \&cb)	2883	=item $success = $client->query ($flags, "text", \&cb)
2068		2884
2069	Queues a query to the client, calling the given callback with	2885	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>,	2886	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>.	2887	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2888
2073	Queries can fail, so check the return code. Or don't, as queries will become	2889	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2890	become reliable at some point in the future.
2075		2891
2076	=cut	2892	=cut
2077		2893
2078	sub cf::client::query {	2894	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2895	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2903	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2904	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2905
2090	$self->send_packet ($self->{query_queue}[0][0])	2906	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2907	if @{ $self->{query_queue} } == 1;
		2908
		2909	1
2092	}	2910	}
2093		2911
2094	cf::client->attach (	2912	cf::client->attach (
		2913	on_connect => sub {
		2914	my ($ns) = @_;
		2915
		2916	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2917	},
2095	on_reply => sub {	2918	on_reply => sub {
2096	my ($ns, $msg) = @_;	2919	my ($ns, $msg) = @_;
2097		2920
2098	# this weird shuffling is so that direct followup queries	2921	# this weird shuffling is so that direct followup queries
2099	# get handled first	2922	# get handled first
…		…
2111	} else {	2934	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2936	}
2114	}	2937	}
2115	},	2938	},
		2939	on_exticmd => sub {
		2940	my ($ns, $buf) = @_;
		2941
		2942	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2943
		2944	if (ref $msg) {
		2945	my ($type, $reply, @payload) =
		2946	"ARRAY" eq ref $msg
		2947	? @$msg
		2948	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2949
		2950	my @reply;
		2951
		2952	if (my $cb = $EXTICMD{$type}) {
		2953	@reply = $cb->($ns, @payload);
		2954	}
		2955
		2956	$ns->ext_reply ($reply, @reply)
		2957	if $reply;
		2958
		2959	} else {
		2960	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2961	}
		2962
		2963	cf::override;
		2964	},
2116	);	2965	);
2117		2966
2118	=item $client->async (\&cb)	2967	=item $client->async (\&cb)
2119		2968
2120	Create a new coroutine, running the specified callback. The coroutine will	2969	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3010	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3011	our $safe_hole = new Safe::Hole;
2163		3012
2164	$SIG{FPE} = 'IGNORE';	3013	$SIG{FPE} = 'IGNORE';
2165		3014
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3015	$safe->permit_only (Opcode::opset qw(
		3016	:base_core :base_mem :base_orig :base_math
		3017	grepstart grepwhile mapstart mapwhile
		3018	sort time
		3019	));
2167		3020
2168	# here we export the classes and methods available to script code	3021	# here we export the classes and methods available to script code
2169		3022
2170	=pod	3023	=pod
2171		3024
2172	The following functions and methods are available within a safe environment:	3025	The following functions and methods are available within a safe environment:
2173		3026
2174	cf::object contr pay_amount pay_player map	3027	cf::object
		3028	contr pay_amount pay_player map x y force_find force_add destroy
		3029	insert remove name archname title slaying race decrease_ob_nr
		3030
2175	cf::object::player player	3031	cf::object::player
2176	cf::player peaceful	3032	player
2177	cf::map trigger	3033
		3034	cf::player
		3035	peaceful
		3036
		3037	cf::map
		3038	trigger
2178		3039
2179	=cut	3040	=cut
2180		3041
2181	for (	3042	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3043	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3044	insert remove inv name archname title slaying race
		3045	decrease_ob_nr destroy)],
2183	["cf::object::player" => qw(player)],	3046	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3047	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	3048	["cf::map" => qw(trigger)],
2186	) {	3049	) {
2187	no strict 'refs';	3050	no strict 'refs';
…		…
2258	=back	3121	=back
2259		3122
2260	=cut	3123	=cut
2261		3124
2262	#############################################################################	3125	#############################################################################
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	3126	# the server's init and main functions
2336		3127
2337	sub load_facedata($) {	3128	sub load_facedata($) {
2338	my ($path) = @_;	3129	my ($path) = @_;
		3130
		3131	# HACK to clear player env face cache, we need some signal framework
		3132	# for this (global event?)
		3133	%ext::player_env::MUSIC_FACE_CACHE = ();
		3134
		3135	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3136
2340	warn "loading facedata from $path\n";	3137	warn "loading facedata from $path\n";
2341		3138
2342	my $facedata;	3139	my $facedata;
2343	0 < aio_load $path, $facedata	3140	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3143	$facedata = Coro::Storable::thaw $facedata;
2347		3144
2348	$facedata->{version} == 2	3145	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3146	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3147
		3148	# patch in the exptable
		3149	$facedata->{resource}{"res/exp_table"} = {
		3150	type => FT_RSRC,
		3151	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3152	};
		3153	cf::cede_to_tick;
		3154
2351	{	3155	{
2352	my $faces = $facedata->{faceinfo};	3156	my $faces = $facedata->{faceinfo};
2353		3157
2354	while (my ($face, $info) = each %$faces) {	3158	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3159	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3160
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3161	cf::face::set_visibility $idx, $info->{visibility};
		3162	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3163	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3164	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3165
		3166	cf::cede_to_tick;
2360	}	3167	}
2361		3168
2362	while (my ($face, $info) = each %$faces) {	3169	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3170	next unless $info->{smooth};
		3171
2364	my $idx = cf::face::find $face	3172	my $idx = cf::face::find $face
2365	or next;	3173	or next;
		3174
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3175	if (my $smooth = cf::face::find $info->{smooth}) {
		3176	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3177	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3178	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3179	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3180	}
2371	Coro::cede;	3181
		3182	cf::cede_to_tick;
2372	}	3183	}
2373	}	3184	}
2374		3185
2375	{	3186	{
2376	my $anims = $facedata->{animinfo};	3187	my $anims = $facedata->{animinfo};
2377		3188
2378	while (my ($anim, $info) = each %$anims) {	3189	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3190	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3191	cf::cede_to_tick;
2381	}	3192	}
2382		3193
2383	cf::anim::invalidate_all; # d'oh	3194	cf::anim::invalidate_all; # d'oh
2384	}	3195	}
2385		3196
		3197	{
		3198	# TODO: for gcfclient pleasure, we should give resources
		3199	# that gcfclient doesn't grok a >10000 face index.
		3200	my $res = $facedata->{resource};
		3201
		3202	while (my ($name, $info) = each %$res) {
		3203	if (defined $info->{type}) {
		3204	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3205	my $data;
		3206
		3207	if ($info->{type} & 1) {
		3208	# prepend meta info
		3209
		3210	my $meta = $enc->encode ({
		3211	name => $name,
		3212	%{ $info->{meta} || {} },
		3213	});
		3214
		3215	$data = pack "(w/a*)*", $meta, $info->{data};
		3216	} else {
		3217	$data = $info->{data};
		3218	}
		3219
		3220	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3221	cf::face::set_type $idx, $info->{type};
		3222	} else {
		3223	$RESOURCE{$name} = $info;
		3224	}
		3225
		3226	cf::cede_to_tick;
		3227	}
		3228	}
		3229
		3230	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3231
2386	1	3232	1
2387	}	3233	}
2388		3234
		3235	cf::global->attach (on_resource_update => sub {
		3236	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3237	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3238
		3239	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3240	my $sound = $soundconf->{compat}[$_]
		3241	or next;
		3242
		3243	my $face = cf::face::find "sound/$sound->[1]";
		3244	cf::sound::set $sound->[0] => $face;
		3245	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3246	}
		3247
		3248	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3249	my $face = cf::face::find "sound/$v";
		3250	cf::sound::set $k => $face;
		3251	}
		3252	}
		3253	});
		3254
		3255	register_exticmd fx_want => sub {
		3256	my ($ns, $want) = @_;
		3257
		3258	while (my ($k, $v) = each %$want) {
		3259	$ns->fx_want ($k, $v);
		3260	}
		3261	};
		3262
		3263	sub reload_regions {
		3264	# HACK to clear player env face cache, we need some signal framework
		3265	# for this (global event?)
		3266	%ext::player_env::MUSIC_FACE_CACHE = ();
		3267
		3268	load_resource_file "$MAPDIR/regions"
		3269	or die "unable to load regions file\n";
		3270
		3271	for (cf::region::list) {
		3272	$_->{match} = qr/$_->{match}/
		3273	if exists $_->{match};
		3274	}
		3275	}
		3276
2389	sub reload_facedata {	3277	sub reload_facedata {
2390	load_facedata sprintf "%s/facedata", cf::datadir	3278	load_facedata "$DATADIR/facedata"
2391	or die "unable to load facedata\n";	3279	or die "unable to load facedata\n";
2392	}	3280	}
2393		3281
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 {	3282	sub reload_archetypes {
2400	load_archetype_file sprintf "%s/archetypes", cf::datadir	3283	load_resource_file "$DATADIR/archetypes"
2401	or die "unable to load archetypes\n";	3284	or die "unable to load archetypes\n";
		3285	#d# NEED to laod twice to resolve forward references
		3286	# this really needs to be done in an extra post-pass
		3287	# (which needs to be synchronous, so solve it differently)
		3288	load_resource_file "$DATADIR/archetypes"
		3289	or die "unable to load archetypes\n";
2402	}	3290	}
2403		3291
2404	sub reload_treasures {	3292	sub reload_treasures {
2405	load_resource_file sprintf "%s/treasures", cf::datadir	3293	load_resource_file "$DATADIR/treasures"
2406	or die "unable to load treasurelists\n";	3294	or die "unable to load treasurelists\n";
2407	}	3295	}
2408		3296
2409	sub reload_resources {	3297	sub reload_resources {
2410	warn "reloading resource files...\n";	3298	warn "reloading resource files...\n";
2411		3299
2412	reload_regions;	3300	reload_regions;
2413	reload_facedata;	3301	reload_facedata;
		3302	#reload_archetypes;#d#
2414	reload_archetypes;	3303	reload_archetypes;
2415	reload_treasures;	3304	reload_treasures;
2416		3305
2417	warn "finished reloading resource files\n";	3306	warn "finished reloading resource files\n";
2418	}	3307	}
2419		3308
2420	sub init {	3309	sub init {
2421	reload_resources;	3310	reload_resources;
2422	}	3311	}
2423		3312
2424	sub cfg_load {	3313	sub reload_config {
2425	open my $fh, "<:utf8", cf::confdir . "/config"	3314	open my $fh, "<:utf8", "$CONFDIR/config"
2426	or return;	3315	or return;
2427		3316
2428	local $/;	3317	local $/;
2429	*CFG = YAML::Syck::Load <$fh>;	3318	*CFG = YAML::Syck::Load <$fh>;
2430		3319
…		…
2445	sub main {	3334	sub main {
2446	# we must not ever block the main coroutine	3335	# we must not ever block the main coroutine
2447	local $Coro::idle = sub {	3336	local $Coro::idle = sub {
2448	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2449	(async {	3338	(async {
2450	Event::one_event;	3339	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3340	EV::loop EV::LOOP_ONESHOT;
2451	})->prio (Coro::PRIO_MAX);	3341	})->prio (Coro::PRIO_MAX);
2452	};	3342	};
2453		3343
2454	cfg_load;	3344	reload_config;
2455	db_init;	3345	db_init;
2456	load_extensions;	3346	load_extensions;
2457		3347
2458	$TICK_WATCHER->start;	3348	$TICK_WATCHER->start;
		3349	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2459	Event::loop;	3350	EV::loop;
2460	}	3351	}
2461		3352
2462	#############################################################################	3353	#############################################################################
2463	# initialisation and cleanup	3354	# initialisation and cleanup
2464		3355
2465	# install some emergency cleanup handlers	3356	# install some emergency cleanup handlers
2466	BEGIN {	3357	BEGIN {
		3358	our %SIGWATCHER = ();
2467	for my $signal (qw(INT HUP TERM)) {	3359	for my $signal (qw(INT HUP TERM)) {
2468	Event->signal (	3360	$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";	3361	cf::cleanup "SIG$signal";
2475	},
2476	);	3362	};
		3363	}
		3364	}
		3365
		3366	sub write_runtime {
		3367	my $runtime = "$LOCALDIR/runtime";
		3368
		3369	# first touch the runtime file to show we are still running:
		3370	# the fsync below can take a very very long time.
		3371
		3372	IO::AIO::aio_utime $runtime, undef, undef;
		3373
		3374	my $guard = cf::lock_acquire "write_runtime";
		3375
		3376	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3377	or return;
		3378
		3379	my $value = $cf::RUNTIME + 90 + 10;
		3380	# 10 is the runtime save interval, for a monotonic clock
		3381	# 60 allows for the watchdog to kill the server.
		3382
		3383	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3384	and return;
		3385
		3386	# always fsync - this file is important
		3387	aio_fsync $fh
		3388	and return;
		3389
		3390	# touch it again to show we are up-to-date
		3391	aio_utime $fh, undef, undef;
		3392
		3393	close $fh
		3394	or return;
		3395
		3396	aio_rename "$runtime~", $runtime
		3397	and return;
		3398
		3399	warn "runtime file written.\n";
		3400
2477	}	3401	1
2478	}	3402	}
2479		3403
2480	sub emergency_save() {	3404	sub emergency_save() {
2481	my $freeze_guard = cf::freeze_mainloop;	3405	my $freeze_guard = cf::freeze_mainloop;
2482		3406
…		…
2488	# and maps saved/destroyed asynchronously.	3412	# and maps saved/destroyed asynchronously.
2489	warn "begin emergency player save\n";	3413	warn "begin emergency player save\n";
2490	for my $login (keys %cf::PLAYER) {	3414	for my $login (keys %cf::PLAYER) {
2491	my $pl = $cf::PLAYER{$login} or next;	3415	my $pl = $cf::PLAYER{$login} or next;
2492	$pl->valid or next;	3416	$pl->valid or next;
		3417	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2493	$pl->save;	3418	$pl->save;
2494	}	3419	}
2495	warn "end emergency player save\n";	3420	warn "end emergency player save\n";
2496		3421
2497	warn "begin emergency map save\n";	3422	warn "begin emergency map save\n";
…		…
2536	warn "syncing database to disk";	3461	warn "syncing database to disk";
2537	BDB::db_env_txn_checkpoint $DB_ENV;	3462	BDB::db_env_txn_checkpoint $DB_ENV;
2538		3463
2539	# if anything goes wrong in here, we should simply crash as we already saved	3464	# if anything goes wrong in here, we should simply crash as we already saved
2540		3465
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";	3466	warn "flushing outstanding aio requests";
2547	for (;;) {	3467	for (;;) {
2548	BDB::flush;	3468	BDB::flush;
2549	IO::AIO::flush;	3469	IO::AIO::flush;
2550	Coro::cede;	3470	Coro::cede_notself;
2551	last unless IO::AIO::nreqs || BDB::nreqs;	3471	last unless IO::AIO::nreqs || BDB::nreqs;
2552	warn "iterate...";	3472	warn "iterate...";
2553	}	3473	}
2554		3474
2555	++$RELOAD;	3475	++$RELOAD;
…		…
2559	%EXT_CORO = ();	3479	%EXT_CORO = ();
2560		3480
2561	warn "removing commands";	3481	warn "removing commands";
2562	%COMMAND = ();	3482	%COMMAND = ();
2563		3483
2564	warn "removing ext commands";	3484	warn "removing ext/exti commands";
2565	%EXTCMD = ();	3485	%EXTCMD = ();
		3486	%EXTICMD = ();
2566		3487
2567	warn "unloading/nuking all extensions";	3488	warn "unloading/nuking all extensions";
2568	for my $pkg (@EXTS) {	3489	for my $pkg (@EXTS) {
2569	warn "... unloading $pkg";	3490	warn "... unloading $pkg";
2570		3491
…		…
2600	Symbol::delete_package "safe::$_"	3521	Symbol::delete_package "safe::$_"
2601	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3522	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2602		3523
2603	warn "unloading cf.pm \"a bit\"";	3524	warn "unloading cf.pm \"a bit\"";
2604	delete $INC{"cf.pm"};	3525	delete $INC{"cf.pm"};
		3526	delete $INC{"cf/pod.pm"};
2605		3527
2606	# don't, removes xs symbols, too,	3528	# don't, removes xs symbols, too,
2607	# and global variables created in xs	3529	# and global variables created in xs
2608	#Symbol::delete_package __PACKAGE__;	3530	#Symbol::delete_package __PACKAGE__;
2609		3531
…		…
2612	warn "reloading cf.pm";	3534	warn "reloading cf.pm";
2613	require cf;	3535	require cf;
2614	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3536	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2615		3537
2616	warn "loading config and database again";	3538	warn "loading config and database again";
2617	cf::cfg_load;	3539	cf::reload_config;
2618		3540
2619	warn "loading extensions";	3541	warn "loading extensions";
2620	cf::load_extensions;	3542	cf::load_extensions;
2621		3543
2622	warn "reattaching attachments to objects/players";	3544	warn "reattaching attachments to objects/players";
…		…
2642		3564
2643	sub reload_perl() {	3565	sub reload_perl() {
2644	# doing reload synchronously and two reloads happen back-to-back,	3566	# doing reload synchronously and two reloads happen back-to-back,
2645	# coro crashes during coro_state_free->destroy here.	3567	# coro crashes during coro_state_free->destroy here.
2646		3568
2647	$RELOAD_WATCHER ||= Event->timer (	3569	$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;	3570	undef $RELOAD_WATCHER;
2654	},	3571	do_reload_perl;
2655	);	3572	};
2656	}	3573	}
2657		3574
2658	register_command "reload" => sub {	3575	register_command "reload" => sub {
2659	my ($who, $arg) = @_;	3576	my ($who, $arg) = @_;
2660		3577
2661	if ($who->flag (FLAG_WIZ)) {	3578	if ($who->flag (FLAG_WIZ)) {
2662	$who->message ("reloading server.");	3579	$who->message ("reloading server.");
		3580	async {
		3581	$Coro::current->{desc} = "perl_reload";
2663	async { reload_perl };	3582	reload_perl;
		3583	};
2664	}	3584	}
2665	};	3585	};
2666		3586
2667	unshift @INC, $LIBDIR;	3587	unshift @INC, $LIBDIR;
2668		3588
…		…
2687	my $signal = new Coro::Signal;	3607	my $signal = new Coro::Signal;
2688	push @WAIT_FOR_TICK_BEGIN, $signal;	3608	push @WAIT_FOR_TICK_BEGIN, $signal;
2689	$signal->wait;	3609	$signal->wait;
2690	}	3610	}
2691		3611
2692	$TICK_WATCHER = Event->timer (	3612	$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) {	3613	if ($Coro::current != $Coro::main) {
2700	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3614	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2701	unless ++$bug_warning > 10;	3615	unless ++$bug_warning > 10;
2702	return;	3616	return;
2703	}	3617	}
2704		3618
2705	$NOW = Event::time;	3619	$NOW = $tick_start = EV::now;
2706		3620
2707	cf::server_tick; # one server iteration	3621	cf::server_tick; # one server iteration
2708		3622
2709	$RUNTIME += $TICK;	3623	$RUNTIME += $TICK;
2710	$NEXT_TICK += $TICK;	3624	$NEXT_TICK = $_[0]->at;
2711		3625
2712	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3626	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2713	$NEXT_RUNTIME_WRITE = $NOW + 10;	3627	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2714	Coro::async_pool {	3628	Coro::async_pool {
		3629	$Coro::current->{desc} = "runtime saver";
2715	write_runtime	3630	write_runtime
2716	or warn "ERROR: unable to write runtime file: $!";	3631	or warn "ERROR: unable to write runtime file: $!";
2717	};
2718	}	3632	};
		3633	}
2719		3634
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) {	3635	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2730	$sig->send;	3636	$sig->send;
2731	}	3637	}
2732	while (my $sig = shift @WAIT_FOR_TICK) {	3638	while (my $sig = shift @WAIT_FOR_TICK) {
2733	$sig->send;	3639	$sig->send;
2734	}	3640	}
2735		3641
		3642	$LOAD = ($NOW - $tick_start) / $TICK;
		3643	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3644
2736	_post_tick;	3645	_post_tick;
2737	},	3646	};
2738	);	3647	$TICK_WATCHER->priority (EV::MAXPRI);
2739		3648
2740	{	3649	{
2741	BDB::max_poll_time $TICK * 0.1;	3650	# configure BDB
2742	$BDB_POLL_WATCHER = Event->io (	3651
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;	3652	BDB::min_parallel 8;
2751		3653	BDB::max_poll_reqs $TICK * 0.1;
2752	BDB::set_sync_prepare {	3654	$Coro::BDB::WATCHER->priority (1);
2753	my $status;
2754	my $current = $Coro::current;
2755	(
2756	sub {
2757	$status = $!;
2758	$current->ready; undef $current;
2759	},
2760	sub {
2761	Coro::schedule while defined $current;
2762	$! = $status;
2763	},
2764	)
2765	};
2766		3655
2767	unless ($DB_ENV) {	3656	unless ($DB_ENV) {
2768	$DB_ENV = BDB::db_env_create;	3657	$DB_ENV = BDB::db_env_create;
		3658	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3659	| BDB::LOG_AUTOREMOVE, 1);
		3660	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3661	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2769		3662
2770	cf::sync_job {	3663	cf::sync_job {
2771	eval {	3664	eval {
2772	BDB::db_env_open	3665	BDB::db_env_open
2773	$DB_ENV,	3666	$DB_ENV,
2774	$BDB_ENV_DIR,	3667	$BDBDIR,
2775	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3668	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2776	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3669	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2777	0666;	3670	0666;
2778		3671
2779	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3672	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	};	3673	};
2784		3674
2785	cf::cleanup "db_env_open(db): $@" if $@;	3675	cf::cleanup "db_env_open(db): $@" if $@;
2786	};	3676	};
2787	}	3677	}
		3678
		3679	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3680	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3681	};
		3682	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3683	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3684	};
		3685	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3686	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3687	};
2788	}	3688	}
2789		3689
2790	{	3690	{
		3691	# configure IO::AIO
		3692
2791	IO::AIO::min_parallel 8;	3693	IO::AIO::min_parallel 8;
2792
2793	undef $Coro::AIO::WATCHER;
2794	IO::AIO::max_poll_time $TICK * 0.1;	3694	IO::AIO::max_poll_time $TICK * 0.1;
2795	$AIO_POLL_WATCHER = Event->io (	3695	$Coro::AIO::WATCHER->priority (1);
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	}	3696	}
		3697
		3698	my $_log_backtrace;
		3699
		3700	sub _log_backtrace {
		3701	my ($msg, @addr) = @_;
		3702
		3703	$msg =~ s/\n//;
		3704
		3705	# limit the # of concurrent backtraces
		3706	if ($_log_backtrace < 2) {
		3707	++$_log_backtrace;
		3708	async {
		3709	$Coro::current->{desc} = "abt $msg";
		3710
		3711	my @bt = fork_call {
		3712	@addr = map { sprintf "%x", $_ } @addr;
		3713	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3714	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3715	or die "addr2line: $!";
		3716
		3717	my @funcs;
		3718	my @res = <$fh>;
		3719	chomp for @res;
		3720	while (@res) {
		3721	my ($func, $line) = splice @res, 0, 2, ();
		3722	push @funcs, "[$func] $line";
		3723	}
		3724
		3725	@funcs
		3726	};
		3727
		3728	LOG llevInfo, "[ABT] $msg\n";
		3729	LOG llevInfo, "[ABT] $_\n" for @bt;
		3730	--$_log_backtrace;
		3731	};
		3732	} else {
		3733	LOG llevInfo, "[ABT] $msg\n";
		3734	LOG llevInfo, "[ABT] [suppressed]\n";
		3735	}
		3736	}
		3737
		3738	# load additional modules
		3739	use cf::pod;
2804		3740
2805	END { cf::emergency_save }	3741	END { cf::emergency_save }
2806		3742
2807	1	3743	1
2808		3744

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