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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.219 by root, Sat Feb 17 03:19:44 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 EV 1.86;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	15	use Coro 4.32 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::EV;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
		24	use Coro::Storable;
		25	use Coro::Util ();
19		26
		27	use JSON::XS 2.01 ();
20	use BDB ();	28	use BDB ();
21	use Data::Dumper;	29	use Data::Dumper;
22	use Digest::MD5;	30	use Digest::MD5;
23	use Fcntl;	31	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	32	use YAML::Syck ();
		33	use IO::AIO 2.51 ();
26	use Time::HiRes;	34	use Time::HiRes;
27	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
28		37
		38	# configure various modules to our taste
		39	#
		40	$Storable::canonical = 1; # reduce rsync transfers
		41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	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
30
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		43
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
37		46
38	$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
39		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
40	our %COMMAND = ();	51	our %COMMAND = ();
41	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
42		53
43	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
47		59
		60	our $RELOAD; # number of reloads so far
48	our @EVENT;	61	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		62
51	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74	our %RESOURCE;
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		82
59	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	87	our $DB_ENV;
61		88
62	our %CFG;	89	our %CFG;
63		90
64	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
66		94
67	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		98
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $tick_start; # for load detecting purposes
		105
79	binmode STDOUT;	106	binmode STDOUT;
80	binmode STDERR;	107	binmode STDERR;
81		108
82	# read virtual server time, if available	109	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
87	}	114	}
88		115
89	mkdir cf::localdir;	116	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		118
96	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
97		120
98	sub cf::map::normalise;	121	sub cf::map::normalise;
99		122
…		…
110	=item $cf::RUNTIME	133	=item $cf::RUNTIME
111		134
112	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
113	every server tick.	136	every server tick.
114		137
115	=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
116		141
117	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		146
120	=item $cf::NOW	147	=item $cf::NOW
121		148
122	The time of the last (current) server tick.	149	The time of the last (current) server tick.
123		150
124	=item $cf::TICK	151	=item $cf::TICK
125		152
126	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
127		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
128	=item %cf::CFG	165	=item %cf::CFG
129		166
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	168	from wherever your confdir points to.
132		169
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		171
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
139		181
140	=back	182	=back
141		183
142	=cut	184	=cut
143		185
144	BEGIN {	186	BEGIN {
145	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	188	my $msg = join "", @_;
147	utf8::encode $msg;
148		189
149	$msg .= "\n"	190	$msg .= "\n"
150	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
151		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		194
152	LOG llevError, $msg;	195	LOG llevError, $msg;
153	};	196	};
154	}	197	}
		198
		199	$Coro::State::DIEHOOK = sub {
		200	warn Carp::longmess $_[0];
		201	Coro::terminate;
		202	};
155		203
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	204	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	205	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	206	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	207	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		211
163	# 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
164	# within the Safe compartment.	213	# within the Safe compartment.
165	for my $pkg (qw(	214	for my $pkg (qw(
166	cf::global cf::attachable	215	cf::global cf::attachable
…		…
171	)) {	220	)) {
172	no strict 'refs';	221	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	222	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	223	}
175		224
176	$Event::DIED = sub {	225	$EV::DIED = sub {
177	warn "error in event callback: @_";	226	warn "error in event callback: @_";
178	};	227	};
		228
		229	#############################################################################
179		230
180	=head2 UTILITY FUNCTIONS	231	=head2 UTILITY FUNCTIONS
181		232
182	=over 4	233	=over 4
183		234
…		…
202	$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;
203	$d	254	$d
204	} || "[unable to dump $_[0]: '$@']";	255	} || "[unable to dump $_[0]: '$@']";
205	}	256	}
206		257
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	258	=item $ref = cf::decode_json $json
210		259
211	Converts a JSON string into the corresponding perl data structure.	260	Converts a JSON string into the corresponding perl data structure.
212		261
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	262	=item $json = cf::encode_json $ref
221		263
222	Converts a perl data structure into its JSON representation.	264	Converts a perl data structure into its JSON representation.
223		265
224	=cut	266	=cut
225		267
226	sub to_json($) {	268	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	269
228	JSON::Syck::Dump $_[0]	270	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	271	sub decode_json($) { $json_coder->decode ($_[0]) }
230		272
231	=item cf::lock_wait $string	273	=item cf::lock_wait $string
232		274
233	Wait until the given lock is available. See cf::lock_acquire.	275	Wait until the given lock is available. See cf::lock_acquire.
234		276
…		…
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	281	for example when the coroutine gets canceled), the lock is automatically
240	returned.	282	returned.
241		283
		284	Locks are *not* recursive, locking from the same coro twice results in a
		285	deadlocked coro.
		286
242	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
243	uses map_find and cf::map::load uses map_load).	288	uses map_find and cf::map::load uses map_load).
244		289
		290	=item $locked = cf::lock_active $string
		291
		292	Return true if the lock is currently active, i.e. somebody has locked it.
		293
245	=cut	294	=cut
246		295
247	our %LOCK;	296	our %LOCK;
		297	our %LOCKER;#d#
248		298
249	sub lock_wait($) {	299	sub lock_wait($) {
250	my ($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#
251		306
252	# wait for lock, if any	307	# wait for lock, if any
253	while ($LOCK{$key}) {	308	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	309	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	310	Coro::schedule;
…		…
261		316
262	# wait, to be sure we are not locked	317	# wait, to be sure we are not locked
263	lock_wait $key;	318	lock_wait $key;
264		319
265	$LOCK{$key} = [];	320	$LOCK{$key} = [];
		321	$LOCKER{$key} = $Coro::current;#d#
266		322
267	Coro::guard {	323	Coro::guard {
		324	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	325	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	326	$_->ready for @{ delete $LOCK{$key} };
270	}	327	}
		328	}
		329
		330	sub lock_active($) {
		331	my ($key) = @_;
		332
		333	! ! $LOCK{$key}
271	}	334	}
272		335
273	sub freeze_mainloop {	336	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	337	return unless $TICK_WATCHER->is_active;
275		338
…		…
278	};	341	};
279	$TICK_WATCHER->stop;	342	$TICK_WATCHER->stop;
280	$guard	343	$guard
281	}	344	}
282		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	$sig->wait;
		417	}
		418
283	=item cf::async { BLOCK }	419	=item cf::async { BLOCK }
284		420
285	Currently the same as Coro::async_pool, meaning you cannot use	421	Currently the same as Coro::async_pool, meaning you cannot use
286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	422	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287	thing you are allowed to do is call C<prio> on it.	423	thing you are allowed to do is call C<prio> on it.
…		…
290		426
291	BEGIN { *async = \&Coro::async_pool }	427	BEGIN { *async = \&Coro::async_pool }
292		428
293	=item cf::sync_job { BLOCK }	429	=item cf::sync_job { BLOCK }
294		430
295	The design of crossfire+ requires that the main coro ($Coro::main) is	431	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	432	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	433	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		434	acceptable.
298		435
299	If it must be done, put the blocking parts into C<sync_job>. This will run	436	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	437	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	438	server will be frozen during this time, so the block should either finish
302	fast or be very important.	439	fast or be very important.
…		…
305		442
306	sub sync_job(&) {	443	sub sync_job(&) {
307	my ($job) = @_;	444	my ($job) = @_;
308		445
309	if ($Coro::current == $Coro::main) {	446	if ($Coro::current == $Coro::main) {
		447	my $time = EV::time;
		448
310	# this is the main coro, too bad, we have to block	449	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	450	# till the operation succeeds, freezing the server :/
312		451
		452	LOG llevError, Carp::longmess "sync job";#d#
		453
313	# TODO: use suspend/resume instead	454	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	455	# (but this is cancel-safe)
315	my $freeze_guard = freeze_mainloop;	456	my $freeze_guard = freeze_mainloop;
316		457
317	my $busy = 1;	458	my $busy = 1;
318	my @res;	459	my @res;
319		460
320	(async {	461	(async {
		462	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	463	@res = eval { $job->() };
322	warn $@ if $@;	464	warn $@ if $@;
323	undef $busy;	465	undef $busy;
324	})->prio (Coro::PRIO_MAX);	466	})->prio (Coro::PRIO_MAX);
325		467
326	while ($busy) {	468	while ($busy) {
327	Coro::cede or Event::one_event;	469	if (Coro::nready) {
		470	Coro::cede_notself;
		471	} else {
		472	EV::loop EV::LOOP_ONESHOT;
328	}	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
329		482
330	wantarray ? @res : $res[0]	483	wantarray ? @res : $res[0]
331	} else {	484	} else {
332	# we are in another coroutine, how wonderful, everything just works	485	# we are in another coroutine, how wonderful, everything just works
333		486
…		…
353	$EXT_CORO{$coro+0} = $coro;	506	$EXT_CORO{$coro+0} = $coro;
354		507
355	$coro	508	$coro
356	}	509	}
357		510
358	sub write_runtime {	511	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		512
361	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.
362		517
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	518	=cut
364	or return;
365		519
366	my $value = $cf::RUNTIME + 90 + 10;	520	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	521	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		522
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	523	# we seemingly have to make a local copy of the whole thing,
371	and return;	524	# otherwise perl prematurely frees the stuff :/
		525	# TODO: investigate and fix (likely this will be rather laborious)
372		526
373	# always fsync - this file is important	527	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	528	reset_signals;
375	and return;	529	&$cb
		530	}, @args;
376		531
377	close $fh	532	wantarray ? @res : $res[-1]
378	or return;	533	}
379		534
380	aio_rename "$runtime~", $runtime	535	=item $value = cf::db_get $family => $key
381	and return;
382		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($$) {
		577	my $key = "$_[0]/$_[1]";
		578
		579	cf::sync_job {
		580	BDB::db_get $DB, undef, $key, my $data;
		581
		582	$! ? ()
		583	: $data
383	1	584	}
		585	}
		586
		587	sub db_put($$$) {
		588	BDB::dbreq_pri 4;
		589	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		590	}
		591
		592	=item cf::cache $id => [$paths...], $processversion => $process
		593
		594	Generic caching function that returns the value of the resource $id,
		595	caching and regenerating as required.
		596
		597	This function can block.
		598
		599	=cut
		600
		601	sub cache {
		602	my ($id, $src, $processversion, $process) = @_;
		603
		604	my $meta =
		605	join "\x00",
		606	$processversion,
		607	map {
		608	aio_stat $_
		609	and Carp::croak "$_: $!";
		610
		611	($_, (stat _)[7,9])
		612	} @$src;
		613
		614	my $dbmeta = db_get cache => "$id/meta";
		615	if ($dbmeta ne $meta) {
		616	# changed, we may need to process
		617
		618	my @data;
		619	my $md5;
		620
		621	for (0 .. $#$src) {
		622	0 <= aio_load $src->[$_], $data[$_]
		623	or Carp::croak "$src->[$_]: $!";
		624	}
		625
		626	# if processing is expensive, check
		627	# checksum first
		628	if (1) {
		629	$md5 =
		630	join "\x00",
		631	$processversion,
		632	map {
		633	cf::cede_to_tick;
		634	($src->[$_], Digest::MD5::md5_hex $data[$_])
		635	} 0.. $#$src;
		636
		637
		638	my $dbmd5 = db_get cache => "$id/md5";
		639	if ($dbmd5 eq $md5) {
		640	db_put cache => "$id/meta", $meta;
		641
		642	return db_get cache => "$id/data";
		643	}
		644	}
		645
		646	my $t1 = Time::HiRes::time;
		647	my $data = $process->(\@data);
		648	my $t2 = Time::HiRes::time;
		649
		650	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		651
		652	db_put cache => "$id/data", $data;
		653	db_put cache => "$id/md5" , $md5;
		654	db_put cache => "$id/meta", $meta;
		655
		656	return $data;
		657	}
		658
		659	db_get cache => "$id/data"
		660	}
		661
		662	=item cf::datalog type => key => value, ...
		663
		664	Log a datalog packet of the given type with the given key-value pairs.
		665
		666	=cut
		667
		668	sub datalog($@) {
		669	my ($type, %kv) = @_;
		670	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	671	}
385		672
386	=back	673	=back
387		674
388	=cut	675	=cut
…		…
395	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")
396	to it. All such attachable objects support the following methods.	683	to it. All such attachable objects support the following methods.
397		684
398	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>
399	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
400	crossfire+).	687	Deliantra).
401		688
402	=over 4	689	=over 4
403		690
404	=item $attachable->attach ($attachment, key => $value...)	691	=item $attachable->attach ($attachment, key => $value...)
405		692
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	855	$registry = $CB_TYPE[$object_type] ||= [];
569		856
570	} elsif ($type eq "subtype") {	857	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	858	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	859	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	860	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		861
575	} elsif ($type eq "package") {	862	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	863	my $pkg = shift @arg;
577		864
578	while (my ($name, $id) = each %cb_id) {	865	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	894	_attach $registry, $klass, @attach;
608	}	895	}
609		896
610	$obj->{$name} = \%arg;	897	$obj->{$name} = \%arg;
611	} else {	898	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	899	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	900	}
614		901
615	$obj->{_attachment}{$name} = undef;	902	$obj->{_attachment}{$name} = undef;
616	}	903	}
617		904
…		…
619	if (ref $_[0]) {	906	if (ref $_[0]) {
620	_object_attach @_;	907	_object_attach @_;
621	} else {	908	} else {
622	_attach shift->_attach_registry, @_;	909	_attach shift->_attach_registry, @_;
623	}	910	}
		911	_recalc_want;
624	};	912	};
625		913
626	# all those should be optimised	914	# all those should be optimised
627	sub cf::attachable::detach {	915	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	916	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	919	delete $obj->{_attachment}{$name};
632	reattach ($obj);	920	reattach ($obj);
633	} else {	921	} else {
634	Carp::croak "cannot, currently, detach class attachments";	922	Carp::croak "cannot, currently, detach class attachments";
635	}	923	}
		924	_recalc_want;
636	};	925	};
637		926
638	sub cf::attachable::attached {	927	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	928	my ($obj, $name) = @_;
640		929
…		…
655	";	944	";
656	die if $@;	945	die if $@;
657	}	946	}
658		947
659	our $override;	948	our $override;
660	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?
661		950
662	sub override {	951	sub override {
663	$override = 1;	952	$override = 1;
664	@invoke_results = ();	953	@INVOKE_RESULTS = (@_);
665	}	954	}
666		955
667	sub do_invoke {	956	sub do_invoke {
668	my $event = shift;	957	my $event = shift;
669	my $callbacks = shift;	958	my $callbacks = shift;
670		959
671	@invoke_results = ();	960	@INVOKE_RESULTS = ();
672		961
673	local $override;	962	local $override;
674		963
675	for (@$callbacks) {	964	for (@$callbacks) {
676	eval { &{$_->[1]} };	965	eval { &{$_->[1]} };
…		…
685	}	974	}
686		975
687	0	976	0
688	}	977	}
689		978
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	979	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		980
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	981	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		982
694	Generate an object-specific event with the given arguments.	983	Generate an object-specific event with the given arguments.
695		984
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	987	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		988
700	=back	989	=back
701		990
702	=cut	991	=cut
703		992
704	#############################################################################	993	#############################################################################
705	# 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, $ob2
		1036	}
706		1037
707	sub reattach {	1038	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1039	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1040	my ($obj) = @_;
710		1041
…		…
731	cf::attachable->attach (	1062	cf::attachable->attach (
732	prio => -1000000,	1063	prio => -1000000,
733	on_instantiate => sub {	1064	on_instantiate => sub {
734	my ($obj, $data) = @_;	1065	my ($obj, $data) = @_;
735		1066
736	$data = from_json $data;	1067	$data = decode_json $data;
737		1068
738	for (@$data) {	1069	for (@$data) {
739	my ($name, $args) = @$_;	1070	my ($name, $args) = @$_;
740		1071
741	$obj->attach ($name, %{$args || {} });	1072	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1088	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1089	my ($filename, $rdata, $objs) = @_;
759		1090
760	sync_job {	1091	sync_job {
761	if (length $$rdata) {	1092	if (length $$rdata) {
		1093	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1094	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1095	$decname, length $$rdata, scalar @$objs;
764		1096
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1099	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1100	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1101	close $fh;
770		1102
771	if (@$objs) {	1103	if (@$objs) {
772	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) {
773	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1106	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1107	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1108	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1109	close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1110	aio_rename "$filename.pst~", "$filename.pst";
779	}	1111	}
…		…
787	}	1119	}
788	} else {	1120	} else {
789	aio_unlink $filename;	1121	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1122	aio_unlink "$filename.pst";
791	}	1123	}
792	}	1124	};
793	}	1125	}
794		1126
795	sub object_freezer_as_string {	1127	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1128	my ($rdata, $objs) = @_;
797		1129
…		…
809	or return;	1141	or return;
810		1142
811	unless (aio_stat "$filename.pst") {	1143	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1144	(aio_load "$filename.pst", $av) >= 0
813	or return;	1145	or return;
		1146
814	$av = eval { (Storable::thaw $av)->{objs} };	1147	my $st = eval { Coro::Storable::thaw $av };
		1148	$av = $st->{objs};
815	}	1149	}
816		1150
		1151	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1152	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1153	$decname, length $data, scalar @{$av || []};
		1154
819	return ($data, $av);	1155	($data, $av)
820	}	1156	}
		1157
		1158	=head2 COMMAND CALLBACKS
		1159
		1160	=over 4
		1161
		1162	=cut
821		1163
822	#############################################################################	1164	#############################################################################
823	# command handling &c	1165	# command handling &c
824		1166
825	=item cf::register_command $name => \&callback($ob,$args);	1167	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1180	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1181	}
840		1182
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1183	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1184
843	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.
844		1190
845	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
846	called.	1192	called.
847		1193
		1194	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1195
		1196	Register a callback for execution when the client sends an (asynchronous)
		1197	exticmd packet. Exti commands are processed by the server as soon as they
		1198	are received, i.e. out of order w.r.t. other commands. The first argument
		1199	is a client socket. Exti commands can be received anytime, even before
		1200	log-in.
		1201
		1202	If the callback returns something, it is sent back as if reply was being
		1203	called.
		1204
848	=cut	1205	=cut
849		1206
850	sub register_extcmd {	1207	sub register_extcmd {
851	my ($name, $cb) = @_;	1208	my ($name, $cb) = @_;
852		1209
853	$EXTCMD{$name} = $cb;	1210	$EXTCMD{$name} = $cb;
		1211	}
		1212
		1213	sub register_exticmd {
		1214	my ($name, $cb) = @_;
		1215
		1216	$EXTICMD{$name} = $cb;
854	}	1217	}
855		1218
856	cf::player->attach (	1219	cf::player->attach (
857	on_command => sub {	1220	on_command => sub {
858	my ($pl, $name, $params) = @_;	1221	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1230	cf::override;
868	},	1231	},
869	on_extcmd => sub {	1232	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1233	my ($pl, $buf) = @_;
871		1234
872	my $msg = eval { from_json $buf };	1235	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1236
874	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
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1245	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1246	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1247	}
		1248
		1249	$pl->ext_reply ($reply, @reply)
		1250	if $reply;
		1251
880	} else {	1252	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1253	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1254	}
883		1255
884	cf::override;	1256	cf::override;
885	},	1257	},
886	);	1258	);
887		1259
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1260	sub load_extensions {
		1261	cf::sync_job {
		1262	my %todo;
		1263
923	for my $ext (<$LIBDIR/*.ext>) {	1264	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1265	next unless -r $path;
925	eval {	1266
926	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	$progress = 1;
927	1	1324	}
928	} or warn "$ext not loaded: $@";	1325
		1326	skip:
		1327	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1328	unless $progress;
		1329	}
929	}	1330	};
930	}	1331	}
931		1332
932	#############################################################################	1333	#############################################################################
933		1334
		1335	=back
		1336
934	=head2 CORE EXTENSIONS	1337	=head2 CORE EXTENSIONS
935		1338
936	Functions and methods that extend core crossfire objects.	1339	Functions and methods that extend core crossfire objects.
937		1340
938	=cut	1341	=cut
…		…
943		1346
944	=head3 cf::player	1347	=head3 cf::player
945		1348
946	=over 4	1349	=over 4
947		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
948	=item cf::player::find $login	1365	=item cf::player::find $login
949		1366
950	Returns the given player object, loading it if necessary (might block).	1367	Returns the given player object, loading it if necessary (might block).
951		1368
952	=cut	1369	=cut
953		1370
954	sub playerdir($) {	1371	sub playerdir($) {
955	cf::localdir	1372	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1373	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1374	}
961		1375
962	sub path($) {	1376	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1377	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1378
965	(playerdir $login) . "/$login.pl"	1379	(playerdir $login) . "/playerdata"
966	}	1380	}
967		1381
968	sub find_active($) {	1382	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1383	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1384	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1397	my $login = $_[0];
984		1398
985	my $guard = cf::lock_acquire "user_find:$login";	1399	my $guard = cf::lock_acquire "user_find:$login";
986		1400
987	$cf::PLAYER{$_[0]} || do {	1401	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1402	# rename old playerfiles to new ones
		1403	#TODO: remove when no longer required
		1404	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1405	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1406	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1407	aio_unlink +(playerdir $login) . "/$login.pl";
		1408
		1409	my $f = new_from_file cf::object::thawer path $login
989	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;
990	$cf::PLAYER{$login} = $pl	1416	$cf::PLAYER{$login} = $pl
991	}	1417	}
992	}	1418	}
993	}	1419	}
994		1420
…		…
1004		1430
1005	aio_mkdir playerdir $pl, 0770;	1431	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1432	$pl->{last_save} = $cf::RUNTIME;
1007		1433
1008	$pl->save_pl ($path);	1434	$pl->save_pl ($path);
1009	Coro::cede;	1435	cf::cede_to_tick;
1010	}	1436	}
1011		1437
1012	sub new($) {	1438	sub new($) {
1013	my ($login) = @_;	1439	my ($login) = @_;
1014		1440
…		…
1020	$cf::PLAYER{$login} = $self;	1446	$cf::PLAYER{$login} = $self;
1021		1447
1022	$self	1448	$self
1023	}	1449	}
1024		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 (@_);
		1459	}
		1460
1025	=item $pl->quit_character	1461	=item $pl->quit_character
1026		1462
1027	Nukes the player without looking back. If logged in, the connection will	1463	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1464	be destroyed. May block for a long time.
1029		1465
1030	=cut	1466	=cut
1031		1467
1032	sub quit_character {	1468	sub quit_character {
1033	my ($pl) = @_;	1469	my ($pl) = @_;
		1470
		1471	my $name = $pl->ob->name;
1034		1472
1035	$pl->{deny_save} = 1;	1473	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1474	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1475
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1476	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1481	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1482	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1483	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1484	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1485	$pl->destroy;
		1486
		1487	my $prefix = qr<^~\Q$name\E/>;
		1488
		1489	# nuke player maps
		1490	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1491
1048	IO::AIO::aio_rmtree $temp;	1492	IO::AIO::aio_rmtree $temp;
		1493	}
		1494
		1495	=item $pl->kick
		1496
		1497	Kicks a player out of the game. This destroys the connection.
		1498
		1499	=cut
		1500
		1501	sub kick {
		1502	my ($pl, $kicker) = @_;
		1503
		1504	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1505	$pl->killer ("kicked");
		1506	$pl->ns->destroy;
1049	}	1507	}
1050		1508
1051	=item cf::player::list_logins	1509	=item cf::player::list_logins
1052		1510
1053	Returns am arrayref of all valid playernames in the system, can take a	1511	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1512	while and may block, so not sync_job-capable, ever.
1055		1513
1056	=cut	1514	=cut
1057		1515
1058	sub list_logins {	1516	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1517	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1518	or return [];
1061		1519
1062	my @logins;	1520	my @logins;
1063		1521
1064	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") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1527	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1528	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1529	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1530	}
1068		1531
1069	utf8::decode $login;	1532	utf8::decode $login;
1070	push @logins, $login;	1533	push @logins, $login;
1071	}	1534	}
1072		1535
…		…
1099	}	1562	}
1100		1563
1101	\@paths	1564	\@paths
1102	}	1565	}
1103		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
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1105		1661
1106	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1107		1663
1108	=cut	1664	=cut
1109		1665
1110	sub ext_reply($$$%) {	1666	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1112		1668
1113	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1670	}
1117		1671
1118	package cf;	1672	=item $player->ext_msg ($type, @msg)
		1673
		1674	Sends an ext event to the client.
		1675
		1676	=cut
		1677
		1678	sub ext_msg($$@) {
		1679	my ($self, $type, @msg) = @_;
		1680
		1681	$self->ns->ext_msg ($type, @msg);
		1682	}
		1683
		1684	=head3 cf::region
		1685
		1686	=over 4
		1687
		1688	=cut
		1689
		1690	package cf::region;
		1691
		1692	=item cf::region::find_by_path $path
		1693
		1694	Tries to decuce the likely region for a map knowing only its path.
		1695
		1696	=cut
		1697
		1698	sub find_by_path($) {
		1699	my ($path) = @_;
		1700
		1701	my ($match, $specificity);
		1702
		1703	for my $region (list) {
		1704	if ($region->{match} && $path =~ $region->{match}) {
		1705	($match, $specificity) = ($region, $region->specificity)
		1706	if $region->specificity > $specificity;
		1707	}
		1708	}
		1709
		1710	$match
		1711	}
1119		1712
1120	=back	1713	=back
1121
1122		1714
1123	=head3 cf::map	1715	=head3 cf::map
1124		1716
1125	=over 4	1717	=over 4
1126		1718
…		…
1181	my ($self, $merge) = @_;	1773	my ($self, $merge) = @_;
1182		1774
1183	# we have to keep some variables in memory intact	1775	# we have to keep some variables in memory intact
1184	local $self->{path};	1776	local $self->{path};
1185	local $self->{load_path};	1777	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1778
1189	$self->SUPER::thawer_merge ($merge);	1779	$self->SUPER::thawer_merge ($merge);
1190	}	1780	}
1191		1781
1192	sub normalise {	1782	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1829	$self->init; # pass $1 etc.
1240	return $self;	1830	return $self;
1241	}	1831	}
1242	}	1832	}
1243		1833
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1834	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1835	()
1246	}	1836	}
1247		1837
1248	sub init {	1838	sub init {
1249	my ($self) = @_;	1839	my ($self) = @_;
…		…
1264		1854
1265	# the original (read-only) location	1855	# the original (read-only) location
1266	sub load_path {	1856	sub load_path {
1267	my ($self) = @_;	1857	my ($self) = @_;
1268		1858
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1859	"$MAPDIR/$self->{path}.map"
1270	}	1860	}
1271		1861
1272	# the temporary/swap location	1862	# the temporary/swap location
1273	sub save_path {	1863	sub save_path {
1274	my ($self) = @_;	1864	my ($self) = @_;
1275		1865
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1867	"$TMPDIR/$path.map"
1278	}	1868	}
1279		1869
1280	# the unique path, undef == no special unique path	1870	# the unique path, undef == no special unique path
1281	sub uniq_path {	1871	sub uniq_path {
1282	my ($self) = @_;	1872	my ($self) = @_;
1283		1873
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1875	"$UNIQUEDIR/$path"
1286	}	1876	}
1287		1877
1288	# and all this just because we cannot iterate over	1878	# and all this just because we cannot iterate over
1289	# all maps in C++...	1879	# all maps in C++...
1290	sub change_all_map_light {	1880	sub change_all_map_light {
…		…
1292		1882
1293	$_->change_map_light ($change)	1883	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1884	for grep $_->outdoor, values %cf::MAP;
1295	}	1885	}
1296		1886
		1887	sub decay_objects {
		1888	my ($self) = @_;
		1889
		1890	return if $self->{deny_reset};
		1891
		1892	$self->do_decay_objects;
		1893	}
		1894
1297	sub unlink_save {	1895	sub unlink_save {
1298	my ($self) = @_;	1896	my ($self) = @_;
1299		1897
1300	utf8::encode (my $save = $self->save_path);	1898	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1899	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1304		1902
1305	sub load_header_from($) {	1903	sub load_header_from($) {
1306	my ($self, $path) = @_;	1904	my ($self, $path) = @_;
1307		1905
1308	utf8::encode $path;	1906	utf8::encode $path;
1309	#aio_open $path, O_RDONLY, 0	1907	my $f = new_from_file cf::object::thawer $path
1310	# or return;
1311
1312	$self->_load_header ($path)
1313	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;
1314		1915
1315	$self->{load_path} = $path;	1916	$self->{load_path} = $path;
1316		1917
1317	1	1918	1
1318	}	1919	}
…		…
1357	$self->load_header_orig	1958	$self->load_header_orig
1358	or return;	1959	or return;
1359	$self->prepare_orig;	1960	$self->prepare_orig;
1360	}	1961	}
1361		1962
		1963	$self->{deny_reset} = 1
		1964	if $self->no_reset;
		1965
		1966	$self->default_region (cf::region::find_by_path $self->{path})
		1967	unless $self->default_region;
		1968
1362	1	1969	1
1363	}	1970	}
1364		1971
1365	sub find;	1972	sub find;
1366	sub find {	1973	sub find {
1367	my ($path, $origin) = @_;	1974	my ($path, $origin) = @_;
1368		1975
1369	$path = normalise $path, $origin && $origin->path;	1976	$path = normalise $path, $origin && $origin->path;
1370		1977
		1978	cf::lock_wait "map_data:$path";#d#remove
1371	cf::lock_wait "map_find:$path";	1979	cf::lock_wait "map_find:$path";
1372		1980
1373	$cf::MAP{$path} || do {	1981	$cf::MAP{$path} || do {
1374	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
1375	my $map = new_from_path cf::map $path	1985	my $map = new_from_path cf::map $path
1376	or return;	1986	or return;
1377		1987
1378	$map->{last_save} = $cf::RUNTIME;	1988	$map->{last_save} = $cf::RUNTIME;
1379		1989
1380	$map->load_header	1990	$map->load_header
1381	or return;	1991	or return;
1382		1992
1383	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1993	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1384	# doing this can freeze the server in a sync job, obviously	1994	# doing this can freeze the server in a sync job, obviously
1385	#$cf::WAIT_FOR_TICK->wait;	1995	#$cf::WAIT_FOR_TICK->wait;
		1996	undef $guard1;
		1997	undef $guard2;
1386	$map->reset;	1998	$map->reset;
1387	undef $guard;
1388	return find $path;	1999	return find $path;
1389	}	2000	}
1390		2001
1391	$cf::MAP{$path} = $map	2002	$cf::MAP{$path} = $map
1392	}	2003	}
…		…
1399	my ($self) = @_;	2010	my ($self) = @_;
1400		2011
1401	local $self->{deny_reset} = 1; # loading can take a long time	2012	local $self->{deny_reset} = 1; # loading can take a long time
1402		2013
1403	my $path = $self->{path};	2014	my $path = $self->{path};
		2015
		2016	{
1404	my $guard = cf::lock_acquire "map_load:$path";	2017	my $guard = cf::lock_acquire "map_data:$path";
1405		2018
		2019	return unless $self->valid;
1406	return if $self->in_memory != cf::MAP_SWAPPED;	2020	return unless $self->in_memory == cf::MAP_SWAPPED;
1407		2021
1408	$self->in_memory (cf::MAP_LOADING);	2022	$self->in_memory (cf::MAP_LOADING);
1409		2023
1410	$self->alloc;	2024	$self->alloc;
1411		2025
1412	$self->pre_load;	2026	$self->pre_load;
		2027	cf::cede_to_tick;
1413		2028
1414	$self->_load_objects ($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)
1415	or return;	2032	or return;
1416		2033
1417	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2034	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1418	if delete $self->{load_original};	2035	if delete $self->{load_original};
1419		2036
1420	if (my $uniq = $self->uniq_path) {	2037	if (my $uniq = $self->uniq_path) {
1421	utf8::encode $uniq;	2038	utf8::encode $uniq;
1422	if (aio_open $uniq, O_RDONLY, 0) {	2039	unless (aio_stat $uniq) {
		2040	if (my $f = new_from_file cf::object::thawer $uniq) {
1423	$self->clear_unique_items;	2041	$self->clear_unique_items;
1424	$self->_load_objects ($uniq, 0);	2042	$self->_load_objects ($f);
		2043	$f->resolve_delayed_derefs;
		2044	}
1425	}	2045	}
1426	}	2046	}
1427		2047
1428	Coro::cede;	2048	$f->resolve_delayed_derefs;
1429		2049
		2050	cf::cede_to_tick;
1430	# now do the right thing for maps	2051	# now do the right thing for maps
1431	$self->link_multipart_objects;	2052	$self->link_multipart_objects;
1432
1433	unless ($self->{deny_activate}) {
1434	$self->decay_objects;
1435	$self->fix_auto_apply;
1436	$self->update_buttons;
1437	Coro::cede;
1438	$self->set_darkness_map;
1439	$self->difficulty ($self->estimate_difficulty)	2053	$self->difficulty ($self->estimate_difficulty)
1440	unless $self->difficulty;	2054	unless $self->difficulty;
1441	Coro::cede;	2055	cf::cede_to_tick;
		2056
		2057	unless ($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;
1442	$self->activate;	2064	$self->activate;
		2065	}
		2066
		2067	$self->{last_save} = $cf::RUNTIME;
		2068	$self->last_access ($cf::RUNTIME);
		2069
		2070	$self->in_memory (cf::MAP_IN_MEMORY);
1443	}	2071	}
1444		2072
1445	$self->post_load;	2073	$self->post_load;
1446
1447	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	2074	}
1449		2075
1450	sub customise_for {	2076	sub customise_for {
1451	my ($self, $ob) = @_;	2077	my ($self, $ob) = @_;
1452		2078
1453	return find "~" . $ob->name . "/" . $self->{path}	2079	return find "~" . $ob->name . "/" . $self->{path}
1454	if $self->per_player;	2080	if $self->per_player;
1455		2081
		2082	# return find "?party/" . $ob->name . "/" . $self->{path}
		2083	# if $self->per_party;
		2084
1456	$self	2085	$self
1457	}	2086	}
1458		2087
1459	# find and load all maps in the 3x3 area around a map	2088	# find and load all maps in the 3x3 area around a map
1460	sub load_diag {	2089	sub load_neighbours {
1461	my ($map) = @_;	2090	my ($map) = @_;
1462		2091
1463	my @diag; # diagonal neighbours	2092	my @neigh; # diagonal neighbours
1464		2093
1465	for (0 .. 3) {	2094	for (0 .. 3) {
1466	my $neigh = $map->tile_path ($_)	2095	my $neigh = $map->tile_path ($_)
1467	or next;	2096	or next;
1468	$neigh = find $neigh, $map	2097	$neigh = find $neigh, $map
1469	or next;	2098	or next;
1470	$neigh->load;	2099	$neigh->load;
1471		2100
		2101	push @neigh,
1472	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2102	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1473	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2103	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1474	}	2104	}
1475		2105
1476	for (@diag) {	2106	for (grep defined $_->[0], @neigh) {
		2107	my ($path, $origin) = @$_;
1477	my $neigh = find @$_	2108	my $neigh = find $path, $origin
1478	or next;	2109	or next;
1479	$neigh->load;	2110	$neigh->load;
1480	}	2111	}
1481	}	2112	}
1482		2113
…		…
1487	}	2118	}
1488		2119
1489	sub do_load_sync {	2120	sub do_load_sync {
1490	my ($map) = @_;	2121	my ($map) = @_;
1491		2122
		2123	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2124	if $Coro::current == $Coro::main;
		2125
1492	cf::sync_job { $map->load };	2126	cf::sync_job { $map->load };
1493	}	2127	}
1494		2128
1495	our %MAP_PREFETCH;	2129	our %MAP_PREFETCH;
1496	our $MAP_PREFETCHER = undef;	2130	our $MAP_PREFETCHER = undef;
1497		2131
1498	sub find_async {	2132	sub find_async {
1499	my ($path, $origin) = @_;	2133	my ($path, $origin, $load) = @_;
1500		2134
1501	$path = normalise $path, $origin && $origin->{path};	2135	$path = normalise $path, $origin && $origin->{path};
1502		2136
1503	if (my $map = $cf::MAP{$path}) {	2137	if (my $map = $cf::MAP{$path}) {
1504	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2138	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1505	}	2139	}
1506		2140
1507	undef $MAP_PREFETCH{$path};	2141	$MAP_PREFETCH{$path} |= $load;
		2142
1508	$MAP_PREFETCHER ||= cf::async {	2143	$MAP_PREFETCHER ||= cf::async {
		2144	$Coro::current->{desc} = "map prefetcher";
		2145
1509	while (%MAP_PREFETCH) {	2146	while (%MAP_PREFETCH) {
1510	for my $path (keys %MAP_PREFETCH) {	2147	while (my ($k, $v) = each %MAP_PREFETCH) {
1511	my $map = find $path	2148	if (my $map = find $k) {
1512	or next;
1513	$map->load;	2149	$map->load if $v;
		2150	}
1514		2151
1515	delete $MAP_PREFETCH{$path};	2152	delete $MAP_PREFETCH{$k};
1516	}	2153	}
1517	}	2154	}
1518	undef $MAP_PREFETCHER;	2155	undef $MAP_PREFETCHER;
1519	};	2156	};
1520	$MAP_PREFETCHER->prio (6);	2157	$MAP_PREFETCHER->prio (6);
…		…
1523	}	2160	}
1524		2161
1525	sub save {	2162	sub save {
1526	my ($self) = @_;	2163	my ($self) = @_;
1527		2164
1528	my $lock = cf::lock_acquire "map_data:" . $self->path;	2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
1529		2166
1530	$self->{last_save} = $cf::RUNTIME;	2167	$self->{last_save} = $cf::RUNTIME;
1531		2168
1532	return unless $self->dirty;	2169	return unless $self->dirty;
1533		2170
…		…
1539	return if $self->{deny_save};	2176	return if $self->{deny_save};
1540		2177
1541	local $self->{last_access} = $self->last_access;#d#	2178	local $self->{last_access} = $self->last_access;#d#
1542		2179
1543	cf::async {	2180	cf::async {
		2181	$Coro::current->{desc} = "map player save";
1544	$_->contr->save for $self->players;	2182	$_->contr->save for $self->players;
1545	};	2183	};
1546		2184
1547	if ($uniq) {	2185	if ($uniq) {
1548	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1556	my ($self) = @_;	2194	my ($self) = @_;
1557		2195
1558	# save first because save cedes	2196	# save first because save cedes
1559	$self->save;	2197	$self->save;
1560		2198
1561	my $lock = cf::lock_acquire "map_data:" . $self->path;	2199	my $lock = cf::lock_acquire "map_data:$self->{path}";
1562		2200
1563	return if $self->players;	2201	return if $self->players;
1564	return if $self->in_memory != cf::MAP_IN_MEMORY;	2202	return if $self->in_memory != cf::MAP_IN_MEMORY;
1565	return if $self->{deny_save};	2203	return if $self->{deny_save};
1566		2204
		2205	$self->in_memory (cf::MAP_SWAPPED);
		2206
		2207	$self->deactivate;
		2208	$_->clear_links_to ($self) for values %cf::MAP;
1567	$self->clear;	2209	$self->clear;
1568	$self->in_memory (cf::MAP_SWAPPED);
1569	}	2210	}
1570		2211
1571	sub reset_at {	2212	sub reset_at {
1572	my ($self) = @_;	2213	my ($self) = @_;
1573		2214
1574	# TODO: safety, remove and allow resettable per-player maps	2215	# TODO: safety, remove and allow resettable per-player maps
1575	return 1e99 if $self->isa ("ext::map_per_player");#d#
1576	return 1e99 if $self->{deny_reset};	2216	return 1e99 if $self->{deny_reset};
1577		2217
1578	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2218	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1579	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2219	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1580		2220
…		…
1591	my ($self) = @_;	2231	my ($self) = @_;
1592		2232
1593	my $lock = cf::lock_acquire "map_data:$self->{path}";	2233	my $lock = cf::lock_acquire "map_data:$self->{path}";
1594		2234
1595	return if $self->players;	2235	return if $self->players;
1596	return if $self->isa ("ext::map_per_player");#d#
1597		2236
1598	warn "resetting map ", $self->path;#d#	2237	warn "resetting map ", $self->path;
1599		2238
1600	$self->in_memory (cf::MAP_SWAPPED);	2239	$self->in_memory (cf::MAP_SWAPPED);
1601		2240
1602	# need to save uniques path	2241	# need to save uniques path
1603	unless ($self->{deny_save}) {	2242	unless ($self->{deny_save}) {
…		…
1607	if $uniq;	2246	if $uniq;
1608	}	2247	}
1609		2248
1610	delete $cf::MAP{$self->path};	2249	delete $cf::MAP{$self->path};
1611		2250
		2251	$self->deactivate;
		2252	$_->clear_links_to ($self) for values %cf::MAP;
1612	$self->clear;	2253	$self->clear;
1613
1614	$_->clear_links_to ($self) for values %cf::MAP;
1615		2254
1616	$self->unlink_save;	2255	$self->unlink_save;
1617	$self->destroy;	2256	$self->destroy;
1618	}	2257	}
1619		2258
1620	my $nuke_counter = "aaaa";	2259	my $nuke_counter = "aaaa";
1621		2260
1622	sub nuke {	2261	sub nuke {
1623	my ($self) = @_;	2262	my ($self) = @_;
1624		2263
		2264	{
		2265	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2266
1625	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
1626		2268
1627	$self->unlink_save;	2269	$self->unlink_save;
1628		2270
1629	bless $self, "cf::map";	2271	bless $self, "cf::map";
1630	delete $self->{deny_reset};	2272	delete $self->{deny_reset};
1631	$self->{deny_save} = 1;	2273	$self->{deny_save} = 1;
1632	$self->reset_timeout (1);	2274	$self->reset_timeout (1);
1633	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2275	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1634		2276
1635	$cf::MAP{$self->path} = $self;	2277	$cf::MAP{$self->path} = $self;
		2278	}
1636		2279
1637	$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	]
1638	}	2317	}
1639		2318
1640	=item cf::map::unique_maps	2319	=item cf::map::unique_maps
1641		2320
1642	Returns an arrayref of paths of all shared maps that have	2321	Returns an arrayref of paths of all shared maps that have
1643	instantiated unique items. May block.	2322	instantiated unique items. May block.
1644		2323
1645	=cut	2324	=cut
1646		2325
1647	sub unique_maps() {	2326	sub unique_maps() {
1648	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2327	[
1649	or return;	2328	map {
1650
1651	my @paths;
1652
1653	for (@$files) {
1654	utf8::decode $_;	2329	utf8::decode $_;
1655	next if /\.pst$/;	2330	/\.map$/
1656	next unless /^$PATH_SEP/o;	2331	? normalise $_
1657		2332	: ()
1658	push @paths, cf::map::normalise $_;	2333	} @{ aio_readdir $UNIQUEDIR or [] }
1659	}	2334	]
1660
1661	\@paths
1662	}	2335	}
1663		2336
1664	package cf;	2337	package cf;
1665		2338
1666	=back	2339	=back
…		…
1684	map { $_, inv_recursive_ $_->inv } @_	2357	map { $_, inv_recursive_ $_->inv } @_
1685	}	2358	}
1686		2359
1687	sub inv_recursive {	2360	sub inv_recursive {
1688	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	}
1689	}	2390	}
1690		2391
1691	package cf;	2392	package cf;
1692		2393
1693	=back	2394	=back
…		…
1712		2413
1713	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2414	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1714		2415
1715	if ($self->{record_replies}) {	2416	if ($self->{record_replies}) {
1716	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2417	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2418
1717	} 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 {
1718	$msg = $npc->name . " says: $msg" if $npc;	2427	$msg = $npc->name . " says: $msg" if $npc;
1719	$self->message ($msg, $flags);	2428	$self->message ($msg, $flags);
		2429	}
1720	}	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 (@_);
1721	}	2441	}
1722		2442
1723	=item $player_object->may ("access")	2443	=item $player_object->may ("access")
1724		2444
1725	Returns wether the given player is authorized to access resource "access"	2445	Returns wether the given player is authorized to access resource "access"
…		…
1772	$self->deactivate_recursive;	2492	$self->deactivate_recursive;
1773		2493
1774	return if UNIVERSAL::isa $self->map, "ext::map_link";	2494	return if UNIVERSAL::isa $self->map, "ext::map_link";
1775		2495
1776	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2496	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1777	if $self->map;	2497	if $self->map && $self->map->{path} ne "{link}";
1778		2498
1779	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2499	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1780	}	2500	}
1781		2501
1782	sub cf::object::player::leave_link {	2502	sub cf::object::player::leave_link {
1783	my ($self, $map, $x, $y) = @_;	2503	my ($self, $map, $x, $y) = @_;
		2504
		2505	return unless $self->contr->active;
1784		2506
1785	my $link_pos = delete $self->{_link_pos};	2507	my $link_pos = delete $self->{_link_pos};
1786		2508
1787	unless ($map) {	2509	unless ($map) {
1788	# restore original map position	2510	# restore original map position
…		…
1802	# use -1 or undef as default coordinates, not 0, 0	2524	# use -1 or undef as default coordinates, not 0, 0
1803	($x, $y) = ($map->enter_x, $map->enter_y)	2525	($x, $y) = ($map->enter_x, $map->enter_y)
1804	if $x <=0 && $y <= 0;	2526	if $x <=0 && $y <= 0;
1805		2527
1806	$map->load;	2528	$map->load;
1807	$map->load_diag;	2529	$map->load_neighbours;
1808		2530
1809	return unless $self->contr->active;	2531	return unless $self->contr->active;
1810	$self->activate_recursive;	2532	$self->activate_recursive;
1811		2533
1812	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2534	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2535	$self->enter_map ($map, $x, $y);
1814	}	2536	}
1815		2537
1816	cf::player->attach (	2538	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2539
1820	# abort map switching before logout	2540	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2541	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2542	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2543	the new (success) or old (failed) map position. In either case, $done will
1824	};	2544	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2545
1830	# try to abort aborted map switching on player login :)
1831	# should happen only on crashes
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	$pl->ob->reply (undef,
1836	"There was an internal problem at your last logout, "
1837	. "the server will try to bring you to your intended destination in a second.",
1838	cf::NDI_RED);
1839	# we need this sleep as the login has a concurrent enter_exit running
1840	# and this sleep increases chances of the player not ending up in scorn
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2546	=cut
		2547
		2548	our $GOTOGEN;
1851		2549
1852	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
1853	my ($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;
1854		2555
1855	$self->enter_link;	2556	$self->enter_link;
1856		2557
1857	(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
1858	my $map = eval {	2580	my $map = eval {
1859	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
		2582
		2583	if ($map) {
1860	$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
1861	$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 $@;
1862	} or	2596	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2597
		2598	if ($gen == $self->{_goto_generation}) {
		2599	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2600	$self->leave_link ($map, $x, $y);
		2601	}
		2602
		2603	$done->() if $done;
1866	})->prio (1);	2604	})->prio (1);
1867	}	2605	}
1868		2606
1869	=item $player_object->enter_exit ($exit_object)	2607	=item $player_object->enter_exit ($exit_object)
1870		2608
…		…
1907	$rmp->{origin_y} = $exit->y;	2645	$rmp->{origin_y} = $exit->y;
1908	}	2646	}
1909		2647
1910	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
1911		2649
1912	my $data = cf::to_json $rmp;	2650	my $data = cf::encode_json $rmp;
1913	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
1915		2653
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2656	undef $fh;
1919	aio_rename "$meta~", $meta;	2657	aio_rename "$meta~", $meta;
…		…
1928		2666
1929	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
1930		2668
1931	if ($exit->slaying eq "/!") {	2669	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job	2670	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2671	# the problem is that $exit might not survive long enough
		2672	# so it needs to be done right now, right here
1933	cf::sync_job { prepare_random_map $exit };	2673	cf::sync_job { prepare_random_map $exit };
1934	}	2674	}
1935		2675
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2676	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;	2677	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;	2678	my $sp = $exit->stats->sp;
1939		2679
1940	$self->enter_link;	2680	$self->enter_link;
1941		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
1942	(async {	2686	(async {
		2687	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2688
1943	$self->deactivate_recursive; # just to be sure	2689	$self->deactivate_recursive; # just to be sure
1944	unless (eval {	2690	unless (eval {
1945	$self->goto ($slaying, $hp, $sp);	2691	$self->goto ($slaying, $hp, $sp);
1946		2692
1947	1;	2693	1;
1948	}) {	2694	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2695	$self->message ("Something went wrong deep within the crossfire server. "
1950	. "I'll try to bring you back to the map you were before. "	2696	. "I'll try to bring you back to the map you were before. "
1951	. "Please report this to the dungeon master!",	2697	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2698	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2699
1954	warn "ERROR in enter_exit: $@";	2700	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2701	$self->leave_link;
1956	}	2702	}
1957	})->prio (1);	2703	})->prio (1);
…		…
1970		2716
1971	sub cf::client::send_drawinfo {	2717	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2718	my ($self, $text, $flags) = @_;
1973		2719
1974	utf8::encode $text;	2720	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2721	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2722	}
1977		2723
		2724	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2725
		2726	Send a drawinfo or msg packet to the client, formatting the msg for the
		2727	client if neccessary. C<$type> should be a string identifying the type of
		2728	the message, with C<log> being the default. If C<$color> is negative, suppress
		2729	the message unless the client supports the msg packet.
		2730
		2731	=cut
		2732
		2733	# non-persistent channels (usually the info channel)
		2734	our %CHANNEL = (
		2735	"c/identify" => {
		2736	id => "infobox",
		2737	title => "Identify",
		2738	reply => undef,
		2739	tooltip => "Items recently identified",
		2740	},
		2741	"c/examine" => {
		2742	id => "infobox",
		2743	title => "Examine",
		2744	reply => undef,
		2745	tooltip => "Signs and other items you examined",
		2746	},
		2747	"c/book" => {
		2748	id => "infobox",
		2749	title => "Book",
		2750	reply => undef,
		2751	tooltip => "The contents of a note or book",
		2752	},
		2753	"c/lookat" => {
		2754	id => "infobox",
		2755	title => "Look",
		2756	reply => undef,
		2757	tooltip => "What you saw there",
		2758	},
		2759	"c/who" => {
		2760	id => "infobox",
		2761	title => "Players",
		2762	reply => undef,
		2763	tooltip => "Shows players who are currently online",
		2764	},
		2765	"c/body" => {
		2766	id => "infobox",
		2767	title => "Body Parts",
		2768	reply => undef,
		2769	tooltip => "Shows which body parts you posess and are available",
		2770	},
		2771	"c/uptime" => {
		2772	id => "infobox",
		2773	title => "Uptime",
		2774	reply => undef,
		2775	tooltip => "How long the server has been running since last restart",
		2776	},
		2777	"c/mapinfo" => {
		2778	id => "infobox",
		2779	title => "Map Info",
		2780	reply => undef,
		2781	tooltip => "Information related to the maps",
		2782	},
		2783	);
		2784
		2785	sub cf::client::send_msg {
		2786	my ($self, $channel, $msg, $color, @extra) = @_;
		2787
		2788	$msg = $self->pl->expand_cfpod ($msg);
		2789
		2790	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2791
		2792	# check predefined channels, for the benefit of C
		2793	if ($CHANNEL{$channel}) {
		2794	$channel = $CHANNEL{$channel};
		2795
		2796	$self->ext_msg (channel_info => $channel)
		2797	if $self->can_msg;
		2798
		2799	$channel = $channel->{id};
		2800
		2801	} elsif (ref $channel) {
		2802	# send meta info to client, if not yet sent
		2803	unless (exists $self->{channel}{$channel->{id}}) {
		2804	$self->{channel}{$channel->{id}} = $channel;
		2805	$self->ext_msg (channel_info => $channel)
		2806	if $self->can_msg;
		2807	}
		2808
		2809	$channel = $channel->{id};
		2810	}
		2811
		2812	return unless @extra || length $msg;
		2813
		2814	if ($self->can_msg) {
		2815	# default colour, mask it out
		2816	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2817	if $color & cf::NDI_DEF;
		2818
		2819	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2820	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2821	} else {
		2822	if ($color >= 0) {
		2823	# replace some tags by gcfclient-compatible ones
		2824	for ($msg) {
		2825	1 while
		2826	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2827	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2828	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2829	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2830	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2831	}
		2832
		2833	$color &= cf::NDI_COLOR_MASK;
		2834
		2835	utf8::encode $msg;
		2836
		2837	if (0 && $msg =~ /\[/) {
		2838	# COMMAND/INFO
		2839	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2840	} else {
		2841	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2842	$self->send_packet ("drawinfo $color $msg")
		2843	}
		2844	}
		2845	}
		2846	}
		2847
		2848	=item $client->ext_msg ($type, @msg)
		2849
		2850	Sends an ext event to the client.
		2851
		2852	=cut
		2853
		2854	sub cf::client::ext_msg($$@) {
		2855	my ($self, $type, @msg) = @_;
		2856
		2857	if ($self->extcmd == 2) {
		2858	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2859	} elsif ($self->extcmd == 1) { # TODO: remove
		2860	push @msg, msgtype => "event_$type";
		2861	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2862	}
		2863	}
		2864
		2865	=item $client->ext_reply ($msgid, @msg)
		2866
		2867	Sends an ext reply to the client.
		2868
		2869	=cut
		2870
		2871	sub cf::client::ext_reply($$@) {
		2872	my ($self, $id, @msg) = @_;
		2873
		2874	if ($self->extcmd == 2) {
		2875	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2876	} elsif ($self->extcmd == 1) {
		2877	#TODO: version 1, remove
		2878	unshift @msg, msgtype => "reply", msgid => $id;
		2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2880	}
		2881	}
1978		2882
1979	=item $success = $client->query ($flags, "text", \&cb)	2883	=item $success = $client->query ($flags, "text", \&cb)
1980		2884
1981	Queues a query to the client, calling the given callback with	2885	Queues a query to the client, calling the given callback with
1982	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>,
1983	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>.
1984		2888
1985	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
1986	reliable at some point in the future.	2890	become reliable at some point in the future.
1987		2891
1988	=cut	2892	=cut
1989		2893
1990	sub cf::client::query {	2894	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2895	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2903	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2904	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2905
2002	$self->send_packet ($self->{query_queue}[0][0])	2906	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2907	if @{ $self->{query_queue} } == 1;
		2908
		2909	1
2004	}	2910	}
2005		2911
2006	cf::client->attach (	2912	cf::client->attach (
		2913	on_connect => sub {
		2914	my ($ns) = @_;
		2915
		2916	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2917	},
2007	on_reply => sub {	2918	on_reply => sub {
2008	my ($ns, $msg) = @_;	2919	my ($ns, $msg) = @_;
2009		2920
2010	# this weird shuffling is so that direct followup queries	2921	# this weird shuffling is so that direct followup queries
2011	# get handled first	2922	# get handled first
…		…
2023	} else {	2934	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2936	}
2026	}	2937	}
2027	},	2938	},
		2939	on_exticmd => sub {
		2940	my ($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	},
2028	);	2965	);
2029		2966
2030	=item $client->async (\&cb)	2967	=item $client->async (\&cb)
2031		2968
2032	Create a new coroutine, running the specified callback. The coroutine will	2969	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3010	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3011	our $safe_hole = new Safe::Hole;
2075		3012
2076	$SIG{FPE} = 'IGNORE';	3013	$SIG{FPE} = 'IGNORE';
2077		3014
2078	$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	));
2079		3020
2080	# here we export the classes and methods available to script code	3021	# here we export the classes and methods available to script code
2081		3022
2082	=pod	3023	=pod
2083		3024
2084	The following fucntions and emthods are available within a safe environment:	3025	The following functions and methods are available within a safe environment:
2085		3026
2086	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
2087	cf::object::player player	3031	cf::object::player
2088	cf::player peaceful	3032	player
2089	cf::map trigger	3033
		3034	cf::player
		3035	peaceful
		3036
		3037	cf::map
		3038	trigger
2090		3039
2091	=cut	3040	=cut
2092		3041
2093	for (	3042	for (
2094	["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)],
2095	["cf::object::player" => qw(player)],	3046	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3047	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	3048	["cf::map" => qw(trigger)],
2098	) {	3049	) {
2099	no strict 'refs';	3050	no strict 'refs';
…		…
2170	=back	3121	=back
2171		3122
2172	=cut	3123	=cut
2173		3124
2174	#############################################################################	3125	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family.
2194
2195	=cut
2196
2197	our $DB;
2198
2199	sub db_init {
2200	unless ($DB) {
2201	$DB = BDB::db_create $DB_ENV;
2202
2203	cf::sync_job {
2204	eval {
2205	$DB->set_flags (BDB::CHKSUM);
2206
2207	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2208	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2209	cf::cleanup "db_open(db): $!" if $!;
2210	};
2211	cf::cleanup "db_open(db): $@" if $@;
2212	};
2213
2214	my $path = cf::localdir . "/database.pst";
2215	if (stat $path) {
2216	cf::sync_job {
2217	my $pst = Storable::retrieve $path;
2218
2219	cf::db_put (board => data => $pst->{board});
2220	cf::db_put (guildrules => data => $pst->{guildrules});
2221	cf::db_put (rent => balance => $pst->{rent}{balance});
2222	BDB::db_env_txn_checkpoint $DB_ENV;
2223
2224	unlink $path;
2225	};
2226	}
2227	}
2228	}
2229
2230	sub db_get($$) {
2231	my $key = "$_[0]/$_[1]";
2232
2233	cf::sync_job {
2234	BDB::db_get $DB, undef, $key, my $data;
2235
2236	$! ? ()
2237	: Compress::LZF::sthaw $data
2238	}
2239	}
2240
2241	sub db_put($$$) {
2242	BDB::dbreq_pri 4;
2243	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2244	}
2245
2246	#############################################################################
2247	# the server's init and main functions	3126	# the server's init and main functions
2248		3127
2249	sub init_resources {	3128	sub load_facedata($) {
2250	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	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;
		3136
		3137	warn "loading facedata from $path\n";
		3138
		3139	my $facedata;
		3140	0 < aio_load $path, $facedata
		3141	or die "$path: $!";
		3142
		3143	$facedata = Coro::Storable::thaw $facedata;
		3144
		3145	$facedata->{version} == 2
		3146	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3147
		3148	# patch in the exptable
		3149	$facedata->{resource}{"res/exp_table"} = {
		3150	type => FT_RSRC,
		3151	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3152	};
		3153	cf::cede_to_tick;
		3154
		3155	{
		3156	my $faces = $facedata->{faceinfo};
		3157
		3158	while (my ($face, $info) = each %$faces) {
		3159	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3160
		3161	cf::face::set_visibility $idx, $info->{visibility};
		3162	cf::face::set_magicmap $idx, $info->{magicmap};
		3163	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3164	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3165
		3166	cf::cede_to_tick;
		3167	}
		3168
		3169	while (my ($face, $info) = each %$faces) {
		3170	next unless $info->{smooth};
		3171
		3172	my $idx = cf::face::find $face
		3173	or next;
		3174
		3175	if (my $smooth = cf::face::find $info->{smooth}) {
		3176	cf::face::set_smooth $idx, $smooth;
		3177	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3178	} else {
		3179	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3180	}
		3181
		3182	cf::cede_to_tick;
		3183	}
		3184	}
		3185
		3186	{
		3187	my $anims = $facedata->{animinfo};
		3188
		3189	while (my ($anim, $info) = each %$anims) {
		3190	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3191	cf::cede_to_tick;
		3192	}
		3193
		3194	cf::anim::invalidate_all; # d'oh
		3195	}
		3196
		3197	{
		3198	# TODO: for gcfclient pleasure, we should give resources
		3199	# that gcfclient doesn't grok a >10000 face index.
		3200	my $res = $facedata->{resource};
		3201
		3202	while (my ($name, $info) = each %$res) {
		3203	if (defined $info->{type}) {
		3204	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3205	my $data;
		3206
		3207	if ($info->{type} & 1) {
		3208	# prepend meta info
		3209
		3210	my $meta = $enc->encode ({
		3211	name => $name,
		3212	%{ $info->{meta} || {} },
		3213	});
		3214
		3215	$data = pack "(w/a*)*", $meta, $info->{data};
		3216	} else {
		3217	$data = $info->{data};
		3218	}
		3219
		3220	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3221	cf::face::set_type $idx, $info->{type};
		3222	} else {
		3223	$RESOURCE{$name} = $info;
		3224	}
		3225
		3226	cf::cede_to_tick;
		3227	}
		3228	}
		3229
		3230	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3231
		3232	1
		3233	}
		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"
2251	or die "unable to load regions file\n";#d#	3269	or die "unable to load regions file\n";
2252	}
2253		3270
2254	sub cfg_load {	3271	for (cf::region::list) {
		3272	$_->{match} = qr/$_->{match}/
		3273	if exists $_->{match};
		3274	}
		3275	}
		3276
		3277	sub reload_facedata {
		3278	load_facedata "$DATADIR/facedata"
		3279	or die "unable to load facedata\n";
		3280	}
		3281
		3282	sub reload_archetypes {
		3283	load_resource_file "$DATADIR/archetypes"
		3284	or die "unable to load archetypes\n";
		3285	#d# NEED to laod twice to resolve forward references
		3286	# this really needs to be done in an extra post-pass
		3287	# (which needs to be synchronous, so solve it differently)
		3288	load_resource_file "$DATADIR/archetypes"
		3289	or die "unable to load archetypes\n";
		3290	}
		3291
		3292	sub reload_treasures {
		3293	load_resource_file "$DATADIR/treasures"
		3294	or die "unable to load treasurelists\n";
		3295	}
		3296
		3297	sub reload_resources {
		3298	warn "reloading resource files...\n";
		3299
		3300	reload_regions;
		3301	reload_facedata;
		3302	#reload_archetypes;#d#
		3303	reload_archetypes;
		3304	reload_treasures;
		3305
		3306	warn "finished reloading resource files\n";
		3307	}
		3308
		3309	sub init {
		3310	reload_resources;
		3311	}
		3312
		3313	sub reload_config {
2255	open my $fh, "<:utf8", cf::confdir . "/config"	3314	open my $fh, "<:utf8", "$CONFDIR/config"
2256	or return;	3315	or return;
2257		3316
2258	local $/;	3317	local $/;
2259	*CFG = YAML::Syck::Load <$fh>;	3318	*CFG = YAML::Syck::Load <$fh>;
2260		3319
…		…
2270	};	3329	};
2271	warn $@ if $@;	3330	warn $@ if $@;
2272	}	3331	}
2273	}	3332	}
2274		3333
2275	sub init {
2276	init_resources;
2277	}
2278
2279	sub main {	3334	sub main {
2280	# we must not ever block the main coroutine	3335	# we must not ever block the main coroutine
2281	local $Coro::idle = sub {	3336	local $Coro::idle = sub {
2282	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#
2283	(async {	3338	(async {
2284	Event::one_event;	3339	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3340	EV::loop EV::LOOP_ONESHOT;
2285	})->prio (Coro::PRIO_MAX);	3341	})->prio (Coro::PRIO_MAX);
2286	};	3342	};
2287		3343
2288	cfg_load;	3344	reload_config;
2289	db_init;	3345	db_init;
2290	load_extensions;	3346	load_extensions;
2291		3347
2292	$TICK_WATCHER->start;	3348	$TICK_WATCHER->start;
		3349	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2293	Event::loop;	3350	EV::loop;
2294	}	3351	}
2295		3352
2296	#############################################################################	3353	#############################################################################
2297	# initialisation and cleanup	3354	# initialisation and cleanup
2298		3355
2299	# install some emergency cleanup handlers	3356	# install some emergency cleanup handlers
2300	BEGIN {	3357	BEGIN {
		3358	our %SIGWATCHER = ();
2301	for my $signal (qw(INT HUP TERM)) {	3359	for my $signal (qw(INT HUP TERM)) {
2302	Event->signal (	3360	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2303	reentrant => 0,
2304	data => WF_AUTOCANCEL,
2305	signal => $signal,
2306	prio => 0,
2307	cb => sub {
2308	cf::cleanup "SIG$signal";	3361	cf::cleanup "SIG$signal";
2309	},
2310	);	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
2311	}	3401	1
2312	}	3402	}
2313		3403
2314	sub emergency_save() {	3404	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3405	my $freeze_guard = cf::freeze_mainloop;
2316		3406
…		…
2322	# and maps saved/destroyed asynchronously.	3412	# and maps saved/destroyed asynchronously.
2323	warn "begin emergency player save\n";	3413	warn "begin emergency player save\n";
2324	for my $login (keys %cf::PLAYER) {	3414	for my $login (keys %cf::PLAYER) {
2325	my $pl = $cf::PLAYER{$login} or next;	3415	my $pl = $cf::PLAYER{$login} or next;
2326	$pl->valid or next;	3416	$pl->valid or next;
		3417	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327	$pl->save;	3418	$pl->save;
2328	}	3419	}
2329	warn "end emergency player save\n";	3420	warn "end emergency player save\n";
2330		3421
2331	warn "begin emergency map save\n";	3422	warn "begin emergency map save\n";
…		…
2349		3440
2350	warn Carp::longmess "post_cleanup backtrace"	3441	warn Carp::longmess "post_cleanup backtrace"
2351	if $make_core;	3442	if $make_core;
2352	}	3443	}
2353		3444
2354	sub reload() {	3445	sub do_reload_perl() {
2355	# can/must only be called in main	3446	# can/must only be called in main
2356	if ($Coro::current != $Coro::main) {	3447	if ($Coro::current != $Coro::main) {
2357	warn "can only reload from main coroutine";	3448	warn "can only reload from main coroutine";
2358	return;	3449	return;
2359	}	3450	}
…		…
2370	warn "syncing database to disk";	3461	warn "syncing database to disk";
2371	BDB::db_env_txn_checkpoint $DB_ENV;	3462	BDB::db_env_txn_checkpoint $DB_ENV;
2372		3463
2373	# 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
2374		3465
2375	warn "cancelling all WF_AUTOCANCEL watchers";
2376	for (Event::all_watchers) {
2377	$_->cancel if $_->data & WF_AUTOCANCEL;
2378	}
2379
2380	warn "flushing outstanding aio requests";	3466	warn "flushing outstanding aio requests";
2381	for (;;) {	3467	for (;;) {
2382	BDB::flush;	3468	BDB::flush;
2383	IO::AIO::flush;	3469	IO::AIO::flush;
2384	Coro::cede;	3470	Coro::cede_notself;
2385	last unless IO::AIO::nreqs || BDB::nreqs;	3471	last unless IO::AIO::nreqs || BDB::nreqs;
2386	warn "iterate...";	3472	warn "iterate...";
2387	}	3473	}
		3474
		3475	++$RELOAD;
2388		3476
2389	warn "cancelling all extension coros";	3477	warn "cancelling all extension coros";
2390	$_->cancel for values %EXT_CORO;	3478	$_->cancel for values %EXT_CORO;
2391	%EXT_CORO = ();	3479	%EXT_CORO = ();
2392		3480
2393	warn "removing commands";	3481	warn "removing commands";
2394	%COMMAND = ();	3482	%COMMAND = ();
2395		3483
2396	warn "removing ext commands";	3484	warn "removing ext/exti commands";
2397	%EXTCMD = ();	3485	%EXTCMD = ();
		3486	%EXTICMD = ();
2398		3487
2399	warn "unloading/nuking all extensions";	3488	warn "unloading/nuking all extensions";
2400	for my $pkg (@EXTS) {	3489	for my $pkg (@EXTS) {
2401	warn "... unloading $pkg";	3490	warn "... unloading $pkg";
2402		3491
…		…
2432	Symbol::delete_package "safe::$_"	3521	Symbol::delete_package "safe::$_"
2433	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);
2434		3523
2435	warn "unloading cf.pm \"a bit\"";	3524	warn "unloading cf.pm \"a bit\"";
2436	delete $INC{"cf.pm"};	3525	delete $INC{"cf.pm"};
		3526	delete $INC{"cf/pod.pm"};
2437		3527
2438	# don't, removes xs symbols, too,	3528	# don't, removes xs symbols, too,
2439	# and global variables created in xs	3529	# and global variables created in xs
2440	#Symbol::delete_package __PACKAGE__;	3530	#Symbol::delete_package __PACKAGE__;
2441		3531
…		…
2444	warn "reloading cf.pm";	3534	warn "reloading cf.pm";
2445	require cf;	3535	require cf;
2446	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3536	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2447		3537
2448	warn "loading config and database again";	3538	warn "loading config and database again";
2449	cf::cfg_load;	3539	cf::reload_config;
2450		3540
2451	warn "loading extensions";	3541	warn "loading extensions";
2452	cf::load_extensions;	3542	cf::load_extensions;
2453		3543
2454	warn "reattaching attachments to objects/players";	3544	warn "reattaching attachments to objects/players";
2455	_global_reattach;	3545	_global_reattach; # objects, sockets
2456	warn "reattaching attachments to maps";	3546	warn "reattaching attachments to maps";
2457	reattach $_ for values %MAP;	3547	reattach $_ for values %MAP;
2458		3548	warn "reattaching attachments to players";
2459	warn "loading reloadable resources";	3549	reattach $_ for values %PLAYER;
2460	init_resources;
2461		3550
2462	warn "leaving sync_job";	3551	warn "leaving sync_job";
2463		3552
2464	1	3553	1
2465	} or do {	3554	} or do {
…		…
2471	warn "reloaded";	3560	warn "reloaded";
2472	};	3561	};
2473		3562
2474	our $RELOAD_WATCHER; # used only during reload	3563	our $RELOAD_WATCHER; # used only during reload
2475		3564
		3565	sub reload_perl() {
		3566	# doing reload synchronously and two reloads happen back-to-back,
		3567	# coro crashes during coro_state_free->destroy here.
		3568
		3569	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3570	undef $RELOAD_WATCHER;
		3571	do_reload_perl;
		3572	};
		3573	}
		3574
2476	register_command "reload" => sub {	3575	register_command "reload" => sub {
2477	my ($who, $arg) = @_;	3576	my ($who, $arg) = @_;
2478		3577
2479	if ($who->flag (FLAG_WIZ)) {	3578	if ($who->flag (FLAG_WIZ)) {
2480	$who->message ("reloading server.");	3579	$who->message ("reloading server.");
2481		3580	async {
2482	# doing reload synchronously and two reloads happen back-to-back,	3581	$Coro::current->{desc} = "perl_reload";
2483	# coro crashes during coro_state_free->destroy here.
2484
2485	$RELOAD_WATCHER ||= Event->timer (
2486	reentrant => 0,
2487	after => 0,
2488	data => WF_AUTOCANCEL,
2489	cb => sub {
2490	reload;	3582	reload_perl;
2491	undef $RELOAD_WATCHER;
2492	},
2493	);	3583	};
2494	}	3584	}
2495	};	3585	};
2496		3586
2497	unshift @INC, $LIBDIR;	3587	unshift @INC, $LIBDIR;
2498		3588
2499	my $bug_warning = 0;	3589	my $bug_warning = 0;
2500		3590
2501	$TICK_WATCHER = Event->timer (	3591	our @WAIT_FOR_TICK;
2502	reentrant => 0,	3592	our @WAIT_FOR_TICK_BEGIN;
2503	parked => 1,	3593
2504	prio => 0,	3594	sub wait_for_tick {
2505	at => $NEXT_TICK || $TICK,	3595	return unless $TICK_WATCHER->is_active;
2506	data => WF_AUTOCANCEL,	3596	return if $Coro::current == $Coro::main;
2507	cb => sub {	3597
		3598	my $signal = new Coro::Signal;
		3599	push @WAIT_FOR_TICK, $signal;
		3600	$signal->wait;
		3601	}
		3602
		3603	sub wait_for_tick_begin {
		3604	return unless $TICK_WATCHER->is_active;
		3605	return if $Coro::current == $Coro::main;
		3606
		3607	my $signal = new Coro::Signal;
		3608	push @WAIT_FOR_TICK_BEGIN, $signal;
		3609	$signal->wait;
		3610	}
		3611
		3612	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2508	if ($Coro::current != $Coro::main) {	3613	if ($Coro::current != $Coro::main) {
2509	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3614	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2510	unless ++$bug_warning > 10;	3615	unless ++$bug_warning > 10;
2511	return;	3616	return;
2512	}	3617	}
2513		3618
2514	$NOW = Event::time;	3619	$NOW = $tick_start = EV::now;
2515		3620
2516	cf::server_tick; # one server iteration	3621	cf::server_tick; # one server iteration
		3622
2517	$RUNTIME += $TICK;	3623	$RUNTIME += $TICK;
2518	$NEXT_TICK += $TICK;	3624	$NEXT_TICK = $_[0]->at;
2519		3625
2520	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3626	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2521	$NEXT_RUNTIME_WRITE = $NOW + 10;	3627	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2522	Coro::async_pool {	3628	Coro::async_pool {
		3629	$Coro::current->{desc} = "runtime saver";
2523	write_runtime	3630	write_runtime
2524	or warn "ERROR: unable to write runtime file: $!";	3631	or warn "ERROR: unable to write runtime file: $!";
2525	};
2526	}	3632	};
2527
2528	$WAIT_FOR_TICK->broadcast;
2529	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2530
2531	# my $AFTER = Event::time;
2532	# warn $AFTER - $NOW;#d#
2533
2534	# if we are delayed by four ticks or more, skip them all
2535	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2536
2537	$TICK_WATCHER->at ($NEXT_TICK);
2538	$TICK_WATCHER->start;
2539	},	3633	}
2540	);	3634
		3635	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3636	$sig->send;
		3637	}
		3638	while (my $sig = shift @WAIT_FOR_TICK) {
		3639	$sig->send;
		3640	}
		3641
		3642	$LOAD = ($NOW - $tick_start) / $TICK;
		3643	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3644
		3645	_post_tick;
		3646	};
		3647	$TICK_WATCHER->priority (EV::MAXPRI);
2541		3648
2542	{	3649	{
2543	BDB::max_poll_time $TICK * 0.1;	3650	# configure BDB
2544	$BDB_POLL_WATCHER = Event->io (	3651
2545	reentrant => 0,
2546	fd => BDB::poll_fileno,
2547	poll => 'r',
2548	prio => 0,
2549	data => WF_AUTOCANCEL,
2550	cb => \&BDB::poll_cb,
2551	);
2552	BDB::min_parallel 8;	3652	BDB::min_parallel 8;
2553		3653	BDB::max_poll_reqs $TICK * 0.1;
2554	BDB::set_sync_prepare {	3654	$Coro::BDB::WATCHER->priority (1);
2555	my $status;
2556	my $current = $Coro::current;
2557	(
2558	sub {
2559	$status = $!;
2560	$current->ready; undef $current;
2561	},
2562	sub {
2563	Coro::schedule while defined $current;
2564	$! = $status;
2565	},
2566	)
2567	};
2568		3655
2569	unless ($DB_ENV) {	3656	unless ($DB_ENV) {
2570	$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);
2571		3662
2572	cf::sync_job {	3663	cf::sync_job {
2573	eval {	3664	eval {
2574	BDB::db_env_open	3665	BDB::db_env_open
2575	$DB_ENV,	3666	$DB_ENV,
2576	$BDB_ENV_DIR,	3667	$BDBDIR,
2577	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3668	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2578	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3669	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2579	0666;	3670	0666;
2580		3671
2581	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3672	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2582
2583	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2584	$DB_ENV->set_lk_detect;
2585	};	3673	};
2586		3674
2587	cf::cleanup "db_env_open(db): $@" if $@;	3675	cf::cleanup "db_env_open(db): $@" if $@;
2588	};	3676	};
2589	}	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	};
2590	}	3688	}
2591		3689
2592	{	3690	{
		3691	# configure IO::AIO
		3692
2593	IO::AIO::min_parallel 8;	3693	IO::AIO::min_parallel 8;
2594
2595	undef $Coro::AIO::WATCHER;
2596	IO::AIO::max_poll_time $TICK * 0.1;	3694	IO::AIO::max_poll_time $TICK * 0.1;
2597	$AIO_POLL_WATCHER = Event->io (	3695	$Coro::AIO::WATCHER->priority (1);
2598	reentrant => 0,
2599	data => WF_AUTOCANCEL,
2600	fd => IO::AIO::poll_fileno,
2601	poll => 'r',
2602	prio => 6,
2603	cb => \&IO::AIO::poll_cb,
2604	);
2605	}	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;
2606		3740
2607	END { cf::emergency_save }	3741	END { cf::emergency_save }
2608		3742
2609	1	3743	1
2610		3744

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