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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.218 by root, Sat Feb 17 01:58:55 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 $runtime = cf::localdir . "/runtime";
360		512
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	513	Executes the given code block with the given arguments in a seperate
362	or return;	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.
363		517
364	my $value = $cf::RUNTIME + 90 + 10;	518	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		519
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	520	sub fork_call(&@) {
369	and return;	521	my ($cb, @args) = @_;
370		522
371	# always fsync - this file is important	523	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	524	# otherwise perl prematurely frees the stuff :/
373	and return;	525	# TODO: investigate and fix (likely this will be rather laborious)
374		526
375	close $fh	527	my @res = Coro::Util::fork_eval {
376	or return;	528	reset_signals;
		529	&$cb
		530	}, @args;
377		531
378	aio_rename "$runtime~", $runtime	532	wantarray ? @res : $res[-1]
379	and return;	533	}
380		534
		535	=item $value = cf::db_get $family => $key
		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($$) {
		577	my $key = "$_[0]/$_[1]";
		578
		579	cf::sync_job {
		580	BDB::db_get $DB, undef, $key, my $data;
		581
		582	$! ? ()
		583	: $data
381	1	584	}
		585	}
		586
		587	sub db_put($$$) {
		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 });
382	}	671	}
383		672
384	=back	673	=back
385		674
386	=cut	675	=cut
…		…
393	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")
394	to it. All such attachable objects support the following methods.	683	to it. All such attachable objects support the following methods.
395		684
396	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>
397	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
398	crossfire+).	687	Deliantra).
399		688
400	=over 4	689	=over 4
401		690
402	=item $attachable->attach ($attachment, key => $value...)	691	=item $attachable->attach ($attachment, key => $value...)
403		692
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	855	$registry = $CB_TYPE[$object_type] ||= [];
567		856
568	} elsif ($type eq "subtype") {	857	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	858	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	859	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	860	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		861
573	} elsif ($type eq "package") {	862	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	863	my $pkg = shift @arg;
575		864
576	while (my ($name, $id) = each %cb_id) {	865	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	894	_attach $registry, $klass, @attach;
606	}	895	}
607		896
608	$obj->{$name} = \%arg;	897	$obj->{$name} = \%arg;
609	} else {	898	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	899	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	900	}
612		901
613	$obj->{_attachment}{$name} = undef;	902	$obj->{_attachment}{$name} = undef;
614	}	903	}
615		904
…		…
617	if (ref $_[0]) {	906	if (ref $_[0]) {
618	_object_attach @_;	907	_object_attach @_;
619	} else {	908	} else {
620	_attach shift->_attach_registry, @_;	909	_attach shift->_attach_registry, @_;
621	}	910	}
		911	_recalc_want;
622	};	912	};
623		913
624	# all those should be optimised	914	# all those should be optimised
625	sub cf::attachable::detach {	915	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	916	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	919	delete $obj->{_attachment}{$name};
630	reattach ($obj);	920	reattach ($obj);
631	} else {	921	} else {
632	Carp::croak "cannot, currently, detach class attachments";	922	Carp::croak "cannot, currently, detach class attachments";
633	}	923	}
		924	_recalc_want;
634	};	925	};
635		926
636	sub cf::attachable::attached {	927	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	928	my ($obj, $name) = @_;
638		929
…		…
653	";	944	";
654	die if $@;	945	die if $@;
655	}	946	}
656		947
657	our $override;	948	our $override;
658	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?
659		950
660	sub override {	951	sub override {
661	$override = 1;	952	$override = 1;
662	@invoke_results = ();	953	@INVOKE_RESULTS = (@_);
663	}	954	}
664		955
665	sub do_invoke {	956	sub do_invoke {
666	my $event = shift;	957	my $event = shift;
667	my $callbacks = shift;	958	my $callbacks = shift;
668		959
669	@invoke_results = ();	960	@INVOKE_RESULTS = ();
670		961
671	local $override;	962	local $override;
672		963
673	for (@$callbacks) {	964	for (@$callbacks) {
674	eval { &{$_->[1]} };	965	eval { &{$_->[1]} };
…		…
683	}	974	}
684		975
685	0	976	0
686	}	977	}
687		978
688	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	979	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
689		980
690	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	981	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
691		982
692	Generate an object-specific event with the given arguments.	983	Generate an object-specific event with the given arguments.
693		984
694	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
695	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
696	results (if you must, access C<@cf::invoke_results> directly).	987	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		988
698	=back	989	=back
699		990
700	=cut	991	=cut
701		992
702	#############################################################################	993	#############################################################################
703	# 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, $ob2
		1036	}
704		1037
705	sub reattach {	1038	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	1039	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	1040	my ($obj) = @_;
708		1041
…		…
729	cf::attachable->attach (	1062	cf::attachable->attach (
730	prio => -1000000,	1063	prio => -1000000,
731	on_instantiate => sub {	1064	on_instantiate => sub {
732	my ($obj, $data) = @_;	1065	my ($obj, $data) = @_;
733		1066
734	$data = from_json $data;	1067	$data = decode_json $data;
735		1068
736	for (@$data) {	1069	for (@$data) {
737	my ($name, $args) = @$_;	1070	my ($name, $args) = @$_;
738		1071
739	$obj->attach ($name, %{$args || {} });	1072	$obj->attach ($name, %{$args || {} });
…		…
755	sub object_freezer_save {	1088	sub object_freezer_save {
756	my ($filename, $rdata, $objs) = @_;	1089	my ($filename, $rdata, $objs) = @_;
757		1090
758	sync_job {	1091	sync_job {
759	if (length $$rdata) {	1092	if (length $$rdata) {
		1093	utf8::decode (my $decname = $filename);
760	warn sprintf "saving %s (%d,%d)\n",	1094	warn sprintf "saving %s (%d,%d)\n",
761	$filename, length $$rdata, scalar @$objs;	1095	$decname, length $$rdata, scalar @$objs;
762		1096
763	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
764	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
765	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1099	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
766	aio_fsync $fh if $cf::USE_FSYNC;	1100	aio_fsync $fh if $cf::USE_FSYNC;
767	close $fh;	1101	close $fh;
768		1102
769	if (@$objs) {	1103	if (@$objs) {
770	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) {
771	chmod SAVE_MODE, $fh;	1105	chmod SAVE_MODE, $fh;
772	my $data = Storable::nfreeze { version => 1, objs => $objs };	1106	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
773	aio_write $fh, 0, (length $data), $data, 0;	1107	aio_write $fh, 0, (length $data), $data, 0;
774	aio_fsync $fh if $cf::USE_FSYNC;	1108	aio_fsync $fh if $cf::USE_FSYNC;
775	close $fh;	1109	close $fh;
776	aio_rename "$filename.pst~", "$filename.pst";	1110	aio_rename "$filename.pst~", "$filename.pst";
777	}	1111	}
…		…
785	}	1119	}
786	} else {	1120	} else {
787	aio_unlink $filename;	1121	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1122	aio_unlink "$filename.pst";
789	}	1123	}
790	}	1124	};
791	}	1125	}
792		1126
793	sub object_freezer_as_string {	1127	sub object_freezer_as_string {
794	my ($rdata, $objs) = @_;	1128	my ($rdata, $objs) = @_;
795		1129
…		…
807	or return;	1141	or return;
808		1142
809	unless (aio_stat "$filename.pst") {	1143	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1144	(aio_load "$filename.pst", $av) >= 0
811	or return;	1145	or return;
		1146
812	$av = eval { (Storable::thaw $av)->{objs} };	1147	my $st = eval { Coro::Storable::thaw $av };
		1148	$av = $st->{objs};
813	}	1149	}
814		1150
		1151	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1152	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1153	$decname, length $data, scalar @{$av || []};
		1154
817	return ($data, $av);	1155	($data, $av)
818	}	1156	}
		1157
		1158	=head2 COMMAND CALLBACKS
		1159
		1160	=over 4
		1161
		1162	=cut
819		1163
820	#############################################################################	1164	#############################################################################
821	# command handling &c	1165	# command handling &c
822		1166
823	=item cf::register_command $name => \&callback($ob,$args);	1167	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1180	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1181	}
838		1182
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1183	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1184
841	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.
842		1190
843	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
844	called.	1192	called.
845		1193
		1194	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1195
		1196	Register a callback for execution when the client sends an (asynchronous)
		1197	exticmd packet. Exti commands are processed by the server as soon as they
		1198	are received, i.e. out of order w.r.t. other commands. The first argument
		1199	is a client socket. Exti commands can be received anytime, even before
		1200	log-in.
		1201
		1202	If the callback returns something, it is sent back as if reply was being
		1203	called.
		1204
846	=cut	1205	=cut
847		1206
848	sub register_extcmd {	1207	sub register_extcmd {
849	my ($name, $cb) = @_;	1208	my ($name, $cb) = @_;
850		1209
851	$EXTCMD{$name} = $cb;	1210	$EXTCMD{$name} = $cb;
		1211	}
		1212
		1213	sub register_exticmd {
		1214	my ($name, $cb) = @_;
		1215
		1216	$EXTICMD{$name} = $cb;
852	}	1217	}
853		1218
854	cf::player->attach (	1219	cf::player->attach (
855	on_command => sub {	1220	on_command => sub {
856	my ($pl, $name, $params) = @_;	1221	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1230	cf::override;
866	},	1231	},
867	on_extcmd => sub {	1232	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1233	my ($pl, $buf) = @_;
869		1234
870	my $msg = eval { from_json $buf };	1235	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1236
872	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
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1245	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1246	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1247	}
		1248
		1249	$pl->ext_reply ($reply, @reply)
		1250	if $reply;
		1251
878	} else {	1252	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1253	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1254	}
881		1255
882	cf::override;	1256	cf::override;
883	},	1257	},
884	);	1258	);
885		1259
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1260	sub load_extensions {
		1261	cf::sync_job {
		1262	my %todo;
		1263
921	for my $ext (<$LIBDIR/*.ext>) {	1264	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1265	next unless -r $path;
923	eval {	1266
924	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	$progress = 1;
925	1	1324	}
926	} or warn "$ext not loaded: $@";	1325
		1326	skip:
		1327	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1328	unless $progress;
		1329	}
927	}	1330	};
928	}	1331	}
929		1332
930	#############################################################################	1333	#############################################################################
931		1334
		1335	=back
		1336
932	=head2 CORE EXTENSIONS	1337	=head2 CORE EXTENSIONS
933		1338
934	Functions and methods that extend core crossfire objects.	1339	Functions and methods that extend core crossfire objects.
935		1340
936	=cut	1341	=cut
…		…
941		1346
942	=head3 cf::player	1347	=head3 cf::player
943		1348
944	=over 4	1349	=over 4
945		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
946	=item cf::player::find $login	1365	=item cf::player::find $login
947		1366
948	Returns the given player object, loading it if necessary (might block).	1367	Returns the given player object, loading it if necessary (might block).
949		1368
950	=cut	1369	=cut
951		1370
952	sub playerdir($) {	1371	sub playerdir($) {
953	cf::localdir	1372	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1373	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1374	}
959		1375
960	sub path($) {	1376	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1377	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1378
963	(playerdir $login) . "/$login.pl"	1379	(playerdir $login) . "/playerdata"
964	}	1380	}
965		1381
966	sub find_active($) {	1382	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1383	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1384	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1397	my $login = $_[0];
982		1398
983	my $guard = cf::lock_acquire "user_find:$login";	1399	my $guard = cf::lock_acquire "user_find:$login";
984		1400
985	$cf::PLAYER{$_[0]} || do {	1401	$cf::PLAYER{$_[0]} || do {
986	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
987	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;
988	$cf::PLAYER{$login} = $pl	1416	$cf::PLAYER{$login} = $pl
989	}	1417	}
990	}	1418	}
991	}	1419	}
992		1420
…		…
1002		1430
1003	aio_mkdir playerdir $pl, 0770;	1431	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1432	$pl->{last_save} = $cf::RUNTIME;
1005		1433
1006	$pl->save_pl ($path);	1434	$pl->save_pl ($path);
1007	Coro::cede;	1435	cf::cede_to_tick;
1008	}	1436	}
1009		1437
1010	sub new($) {	1438	sub new($) {
1011	my ($login) = @_;	1439	my ($login) = @_;
1012		1440
…		…
1018	$cf::PLAYER{$login} = $self;	1446	$cf::PLAYER{$login} = $self;
1019		1447
1020	$self	1448	$self
1021	}	1449	}
1022		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
1023	=item $pl->quit_character	1461	=item $pl->quit_character
1024		1462
1025	Nukes the player without looking back. If logged in, the connection will	1463	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1464	be destroyed. May block for a long time.
1027		1465
1028	=cut	1466	=cut
1029		1467
1030	sub quit_character {	1468	sub quit_character {
1031	my ($pl) = @_;	1469	my ($pl) = @_;
		1470
		1471	my $name = $pl->ob->name;
1032		1472
1033	$pl->{deny_save} = 1;	1473	$pl->{deny_save} = 1;
1034	$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
1035		1475
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1476	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1481	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1482	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1483	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1484	delete $cf::PLAYER{$pl->ob->name};
1045	$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
1046	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;
1047	}	1507	}
1048		1508
1049	=item cf::player::list_logins	1509	=item cf::player::list_logins
1050		1510
1051	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
1052	while and may block, so not sync_job-capable, ever.	1512	while and may block, so not sync_job-capable, ever.
1053		1513
1054	=cut	1514	=cut
1055		1515
1056	sub list_logins {	1516	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1517	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1518	or return [];
1059		1519
1060	my @logins;	1520	my @logins;
1061		1521
1062	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") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1527	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1528	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1529	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1530	}
1066		1531
1067	utf8::decode $login;	1532	utf8::decode $login;
1068	push @logins, $login;	1533	push @logins, $login;
1069	}	1534	}
1070		1535
…		…
1097	}	1562	}
1098		1563
1099	\@paths	1564	\@paths
1100	}	1565	}
1101		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
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1660	=item $player->ext_reply ($msgid, @msg)
1103		1661
1104	Sends an ext reply to the player.	1662	Sends an ext reply to the player.
1105		1663
1106	=cut	1664	=cut
1107		1665
1108	sub ext_reply($$$%) {	1666	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1667	my ($self, $id, @msg) = @_;
1110		1668
1111	$msg{msgid} = $id;	1669	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1670	}
1115		1671
1116	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	$match
		1711	}
1117		1712
1118	=back	1713	=back
1119
1120		1714
1121	=head3 cf::map	1715	=head3 cf::map
1122		1716
1123	=over 4	1717	=over 4
1124		1718
…		…
1179	my ($self, $merge) = @_;	1773	my ($self, $merge) = @_;
1180		1774
1181	# we have to keep some variables in memory intact	1775	# we have to keep some variables in memory intact
1182	local $self->{path};	1776	local $self->{path};
1183	local $self->{load_path};	1777	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1778
1187	$self->SUPER::thawer_merge ($merge);	1779	$self->SUPER::thawer_merge ($merge);
1188	}	1780	}
1189		1781
1190	sub normalise {	1782	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1829	$self->init; # pass $1 etc.
1238	return $self;	1830	return $self;
1239	}	1831	}
1240	}	1832	}
1241		1833
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1834	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1835	()
1244	}	1836	}
1245		1837
1246	sub init {	1838	sub init {
1247	my ($self) = @_;	1839	my ($self) = @_;
…		…
1262		1854
1263	# the original (read-only) location	1855	# the original (read-only) location
1264	sub load_path {	1856	sub load_path {
1265	my ($self) = @_;	1857	my ($self) = @_;
1266		1858
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1859	"$MAPDIR/$self->{path}.map"
1268	}	1860	}
1269		1861
1270	# the temporary/swap location	1862	# the temporary/swap location
1271	sub save_path {	1863	sub save_path {
1272	my ($self) = @_;	1864	my ($self) = @_;
1273		1865
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1867	"$TMPDIR/$path.map"
1276	}	1868	}
1277		1869
1278	# the unique path, undef == no special unique path	1870	# the unique path, undef == no special unique path
1279	sub uniq_path {	1871	sub uniq_path {
1280	my ($self) = @_;	1872	my ($self) = @_;
1281		1873
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1875	"$UNIQUEDIR/$path"
1284	}	1876	}
1285		1877
1286	# and all this just because we cannot iterate over	1878	# and all this just because we cannot iterate over
1287	# all maps in C++...	1879	# all maps in C++...
1288	sub change_all_map_light {	1880	sub change_all_map_light {
…		…
1290		1882
1291	$_->change_map_light ($change)	1883	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1884	for grep $_->outdoor, values %cf::MAP;
1293	}	1885	}
1294		1886
		1887	sub decay_objects {
		1888	my ($self) = @_;
		1889
		1890	return if $self->{deny_reset};
		1891
		1892	$self->do_decay_objects;
		1893	}
		1894
1295	sub unlink_save {	1895	sub unlink_save {
1296	my ($self) = @_;	1896	my ($self) = @_;
1297		1897
1298	utf8::encode (my $save = $self->save_path);	1898	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1899	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1302		1902
1303	sub load_header_from($) {	1903	sub load_header_from($) {
1304	my ($self, $path) = @_;	1904	my ($self, $path) = @_;
1305		1905
1306	utf8::encode $path;	1906	utf8::encode $path;
1307	#aio_open $path, O_RDONLY, 0	1907	my $f = new_from_file cf::object::thawer $path
1308	# or return;
1309
1310	$self->_load_header ($path)
1311	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;
1312		1915
1313	$self->{load_path} = $path;	1916	$self->{load_path} = $path;
1314		1917
1315	1	1918	1
1316	}	1919	}
…		…
1355	$self->load_header_orig	1958	$self->load_header_orig
1356	or return;	1959	or return;
1357	$self->prepare_orig;	1960	$self->prepare_orig;
1358	}	1961	}
1359		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 $self->default_region;
		1968
1360	1	1969	1
1361	}	1970	}
1362		1971
1363	sub find;	1972	sub find;
1364	sub find {	1973	sub find {
1365	my ($path, $origin) = @_;	1974	my ($path, $origin) = @_;
1366		1975
1367	$path = normalise $path, $origin && $origin->path;	1976	$path = normalise $path, $origin && $origin->path;
1368		1977
		1978	cf::lock_wait "map_data:$path";#d#remove
1369	cf::lock_wait "map_find:$path";	1979	cf::lock_wait "map_find:$path";
1370		1980
1371	$cf::MAP{$path} || do {	1981	$cf::MAP{$path} || do {
1372	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
1373	my $map = new_from_path cf::map $path	1985	my $map = new_from_path cf::map $path
1374	or return;	1986	or return;
1375		1987
1376	$map->{last_save} = $cf::RUNTIME;	1988	$map->{last_save} = $cf::RUNTIME;
1377		1989
1378	$map->load_header	1990	$map->load_header
1379	or return;	1991	or return;
1380		1992
1381	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1993	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1382	# doing this can freeze the server in a sync job, obviously	1994	# doing this can freeze the server in a sync job, obviously
1383	#$cf::WAIT_FOR_TICK->wait;	1995	#$cf::WAIT_FOR_TICK->wait;
		1996	undef $guard1;
		1997	undef $guard2;
1384	$map->reset;	1998	$map->reset;
1385	undef $guard;
1386	return find $path;	1999	return find $path;
1387	}	2000	}
1388		2001
1389	$cf::MAP{$path} = $map	2002	$cf::MAP{$path} = $map
1390	}	2003	}
…		…
1397	my ($self) = @_;	2010	my ($self) = @_;
1398		2011
1399	local $self->{deny_reset} = 1; # loading can take a long time	2012	local $self->{deny_reset} = 1; # loading can take a long time
1400		2013
1401	my $path = $self->{path};	2014	my $path = $self->{path};
		2015
		2016	{
1402	my $guard = cf::lock_acquire "map_load:$path";	2017	my $guard = cf::lock_acquire "map_data:$path";
1403		2018
		2019	return unless $self->valid;
1404	return if $self->in_memory != cf::MAP_SWAPPED;	2020	return unless $self->in_memory == cf::MAP_SWAPPED;
1405		2021
1406	$self->in_memory (cf::MAP_LOADING);	2022	$self->in_memory (cf::MAP_LOADING);
1407		2023
1408	$self->alloc;	2024	$self->alloc;
1409		2025
1410	$self->pre_load;	2026	$self->pre_load;
		2027	cf::cede_to_tick;
1411		2028
1412	$self->_load_objects ($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)
1413	or return;	2032	or return;
1414		2033
1415	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2034	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1416	if delete $self->{load_original};	2035	if delete $self->{load_original};
1417		2036
1418	if (my $uniq = $self->uniq_path) {	2037	if (my $uniq = $self->uniq_path) {
1419	utf8::encode $uniq;	2038	utf8::encode $uniq;
1420	if (aio_open $uniq, O_RDONLY, 0) {	2039	unless (aio_stat $uniq) {
		2040	if (my $f = new_from_file cf::object::thawer $uniq) {
1421	$self->clear_unique_items;	2041	$self->clear_unique_items;
1422	$self->_load_objects ($uniq, 0);	2042	$self->_load_objects ($f);
		2043	$f->resolve_delayed_derefs;
		2044	}
1423	}	2045	}
1424	}	2046	}
1425		2047
1426	Coro::cede;	2048	$f->resolve_delayed_derefs;
1427		2049
		2050	cf::cede_to_tick;
1428	# now do the right thing for maps	2051	# now do the right thing for maps
1429	$self->link_multipart_objects;	2052	$self->link_multipart_objects;
1430
1431	unless ($self->{deny_activate}) {
1432	$self->decay_objects;
1433	$self->fix_auto_apply;
1434	$self->update_buttons;
1435	Coro::cede;
1436	$self->set_darkness_map;
1437	$self->difficulty ($self->estimate_difficulty)	2053	$self->difficulty ($self->estimate_difficulty)
1438	unless $self->difficulty;	2054	unless $self->difficulty;
1439	Coro::cede;	2055	cf::cede_to_tick;
		2056
		2057	unless ($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;
1440	$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);
1441	}	2071	}
1442		2072
1443	$self->post_load;	2073	$self->post_load;
1444
1445	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	2074	}
1447		2075
1448	sub customise_for {	2076	sub customise_for {
1449	my ($self, $ob) = @_;	2077	my ($self, $ob) = @_;
1450		2078
1451	return find "~" . $ob->name . "/" . $self->{path}	2079	return find "~" . $ob->name . "/" . $self->{path}
1452	if $self->per_player;	2080	if $self->per_player;
1453		2081
		2082	# return find "?party/" . $ob->name . "/" . $self->{path}
		2083	# if $self->per_party;
		2084
1454	$self	2085	$self
1455	}	2086	}
1456		2087
1457	# find and load all maps in the 3x3 area around a map	2088	# find and load all maps in the 3x3 area around a map
1458	sub load_diag {	2089	sub load_neighbours {
1459	my ($map) = @_;	2090	my ($map) = @_;
1460		2091
1461	my @diag; # diagonal neighbours	2092	my @neigh; # diagonal neighbours
1462		2093
1463	for (0 .. 3) {	2094	for (0 .. 3) {
1464	my $neigh = $map->tile_path ($_)	2095	my $neigh = $map->tile_path ($_)
1465	or next;	2096	or next;
1466	$neigh = find $neigh, $map	2097	$neigh = find $neigh, $map
1467	or next;	2098	or next;
1468	$neigh->load;	2099	$neigh->load;
1469		2100
		2101	push @neigh,
1470	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2102	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1471	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2103	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1472	}	2104	}
1473		2105
1474	for (@diag) {	2106	for (grep defined $_->[0], @neigh) {
		2107	my ($path, $origin) = @$_;
1475	my $neigh = find @$_	2108	my $neigh = find $path, $origin
1476	or next;	2109	or next;
1477	$neigh->load;	2110	$neigh->load;
1478	}	2111	}
1479	}	2112	}
1480		2113
…		…
1485	}	2118	}
1486		2119
1487	sub do_load_sync {	2120	sub do_load_sync {
1488	my ($map) = @_;	2121	my ($map) = @_;
1489		2122
		2123	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2124	if $Coro::current == $Coro::main;
		2125
1490	cf::sync_job { $map->load };	2126	cf::sync_job { $map->load };
1491	}	2127	}
1492		2128
1493	our %MAP_PREFETCH;	2129	our %MAP_PREFETCH;
1494	our $MAP_PREFETCHER = undef;	2130	our $MAP_PREFETCHER = undef;
1495		2131
1496	sub find_async {	2132	sub find_async {
1497	my ($path, $origin) = @_;	2133	my ($path, $origin, $load) = @_;
1498		2134
1499	$path = normalise $path, $origin && $origin->{path};	2135	$path = normalise $path, $origin && $origin->{path};
1500		2136
1501	if (my $map = $cf::MAP{$path}) {	2137	if (my $map = $cf::MAP{$path}) {
1502	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2138	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1503	}	2139	}
1504		2140
1505	undef $MAP_PREFETCH{$path};	2141	$MAP_PREFETCH{$path} |= $load;
		2142
1506	$MAP_PREFETCHER ||= cf::async {	2143	$MAP_PREFETCHER ||= cf::async {
		2144	$Coro::current->{desc} = "map prefetcher";
		2145
1507	while (%MAP_PREFETCH) {	2146	while (%MAP_PREFETCH) {
1508	for my $path (keys %MAP_PREFETCH) {	2147	while (my ($k, $v) = each %MAP_PREFETCH) {
1509	my $map = find $path	2148	if (my $map = find $k) {
1510	or next;
1511	$map->load;	2149	$map->load if $v;
		2150	}
1512		2151
1513	delete $MAP_PREFETCH{$path};	2152	delete $MAP_PREFETCH{$k};
1514	}	2153	}
1515	}	2154	}
1516	undef $MAP_PREFETCHER;	2155	undef $MAP_PREFETCHER;
1517	};	2156	};
1518	$MAP_PREFETCHER->prio (6);	2157	$MAP_PREFETCHER->prio (6);
…		…
1521	}	2160	}
1522		2161
1523	sub save {	2162	sub save {
1524	my ($self) = @_;	2163	my ($self) = @_;
1525		2164
1526	my $lock = cf::lock_acquire "map_data:" . $self->path;	2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
1527		2166
1528	$self->{last_save} = $cf::RUNTIME;	2167	$self->{last_save} = $cf::RUNTIME;
1529		2168
1530	return unless $self->dirty;	2169	return unless $self->dirty;
1531		2170
…		…
1537	return if $self->{deny_save};	2176	return if $self->{deny_save};
1538		2177
1539	local $self->{last_access} = $self->last_access;#d#	2178	local $self->{last_access} = $self->last_access;#d#
1540		2179
1541	cf::async {	2180	cf::async {
		2181	$Coro::current->{desc} = "map player save";
1542	$_->contr->save for $self->players;	2182	$_->contr->save for $self->players;
1543	};	2183	};
1544		2184
1545	if ($uniq) {	2185	if ($uniq) {
1546	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2186	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1554	my ($self) = @_;	2194	my ($self) = @_;
1555		2195
1556	# save first because save cedes	2196	# save first because save cedes
1557	$self->save;	2197	$self->save;
1558		2198
1559	my $lock = cf::lock_acquire "map_data:" . $self->path;	2199	my $lock = cf::lock_acquire "map_data:$self->{path}";
1560		2200
1561	return if $self->players;	2201	return if $self->players;
1562	return if $self->in_memory != cf::MAP_IN_MEMORY;	2202	return if $self->in_memory != cf::MAP_IN_MEMORY;
1563	return if $self->{deny_save};	2203	return if $self->{deny_save};
1564		2204
		2205	$self->in_memory (cf::MAP_SWAPPED);
		2206
		2207	$self->deactivate;
		2208	$_->clear_links_to ($self) for values %cf::MAP;
1565	$self->clear;	2209	$self->clear;
1566	$self->in_memory (cf::MAP_SWAPPED);
1567	}	2210	}
1568		2211
1569	sub reset_at {	2212	sub reset_at {
1570	my ($self) = @_;	2213	my ($self) = @_;
1571		2214
1572	# TODO: safety, remove and allow resettable per-player maps	2215	# TODO: safety, remove and allow resettable per-player maps
1573	return 1e99 if $self->isa ("ext::map_per_player");#d#
1574	return 1e99 if $self->{deny_reset};	2216	return 1e99 if $self->{deny_reset};
1575		2217
1576	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2218	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1577	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2219	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1578		2220
…		…
1589	my ($self) = @_;	2231	my ($self) = @_;
1590		2232
1591	my $lock = cf::lock_acquire "map_data:$self->{path}";	2233	my $lock = cf::lock_acquire "map_data:$self->{path}";
1592		2234
1593	return if $self->players;	2235	return if $self->players;
1594	return if $self->isa ("ext::map_per_player");#d#
1595		2236
1596	warn "resetting map ", $self->path;#d#	2237	warn "resetting map ", $self->path;
1597		2238
1598	$self->in_memory (cf::MAP_SWAPPED);	2239	$self->in_memory (cf::MAP_SWAPPED);
1599		2240
1600	# need to save uniques path	2241	# need to save uniques path
1601	unless ($self->{deny_save}) {	2242	unless ($self->{deny_save}) {
…		…
1605	if $uniq;	2246	if $uniq;
1606	}	2247	}
1607		2248
1608	delete $cf::MAP{$self->path};	2249	delete $cf::MAP{$self->path};
1609		2250
		2251	$self->deactivate;
		2252	$_->clear_links_to ($self) for values %cf::MAP;
1610	$self->clear;	2253	$self->clear;
1611
1612	$_->clear_links_to ($self) for values %cf::MAP;
1613		2254
1614	$self->unlink_save;	2255	$self->unlink_save;
1615	$self->destroy;	2256	$self->destroy;
1616	}	2257	}
1617		2258
1618	my $nuke_counter = "aaaa";	2259	my $nuke_counter = "aaaa";
1619		2260
1620	sub nuke {	2261	sub nuke {
1621	my ($self) = @_;	2262	my ($self) = @_;
1622		2263
		2264	{
		2265	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2266
1623	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
1624		2268
1625	$self->unlink_save;	2269	$self->unlink_save;
1626		2270
1627	bless $self, "cf::map";	2271	bless $self, "cf::map";
1628	delete $self->{deny_reset};	2272	delete $self->{deny_reset};
1629	$self->{deny_save} = 1;	2273	$self->{deny_save} = 1;
1630	$self->reset_timeout (1);	2274	$self->reset_timeout (1);
1631	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2275	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1632		2276
1633	$cf::MAP{$self->path} = $self;	2277	$cf::MAP{$self->path} = $self;
		2278	}
1634		2279
1635	$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	]
1636	}	2317	}
1637		2318
1638	=item cf::map::unique_maps	2319	=item cf::map::unique_maps
1639		2320
1640	Returns an arrayref of paths of all shared maps that have	2321	Returns an arrayref of paths of all shared maps that have
1641	instantiated unique items. May block.	2322	instantiated unique items. May block.
1642		2323
1643	=cut	2324	=cut
1644		2325
1645	sub unique_maps() {	2326	sub unique_maps() {
1646	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2327	[
1647	or return;	2328	map {
1648
1649	my @paths;
1650
1651	for (@$files) {
1652	utf8::decode $_;	2329	utf8::decode $_;
1653	next if /\.pst$/;	2330	/\.map$/
1654	next unless /^$PATH_SEP/o;	2331	? normalise $_
1655		2332	: ()
1656	push @paths, cf::map::normalise $_;	2333	} @{ aio_readdir $UNIQUEDIR or [] }
1657	}	2334	]
1658
1659	\@paths
1660	}	2335	}
1661		2336
1662	package cf;	2337	package cf;
1663		2338
1664	=back	2339	=back
…		…
1682	map { $_, inv_recursive_ $_->inv } @_	2357	map { $_, inv_recursive_ $_->inv } @_
1683	}	2358	}
1684		2359
1685	sub inv_recursive {	2360	sub inv_recursive {
1686	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	}
1687	}	2390	}
1688		2391
1689	package cf;	2392	package cf;
1690		2393
1691	=back	2394	=back
…		…
1710		2413
1711	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2414	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1712		2415
1713	if ($self->{record_replies}) {	2416	if ($self->{record_replies}) {
1714	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2417	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2418
1715	} 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 {
1716	$msg = $npc->name . " says: $msg" if $npc;	2427	$msg = $npc->name . " says: $msg" if $npc;
1717	$self->message ($msg, $flags);	2428	$self->message ($msg, $flags);
		2429	}
1718	}	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 (@_);
1719	}	2441	}
1720		2442
1721	=item $player_object->may ("access")	2443	=item $player_object->may ("access")
1722		2444
1723	Returns wether the given player is authorized to access resource "access"	2445	Returns wether the given player is authorized to access resource "access"
…		…
1770	$self->deactivate_recursive;	2492	$self->deactivate_recursive;
1771		2493
1772	return if UNIVERSAL::isa $self->map, "ext::map_link";	2494	return if UNIVERSAL::isa $self->map, "ext::map_link";
1773		2495
1774	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2496	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1775	if $self->map;	2497	if $self->map && $self->map->{path} ne "{link}";
1776		2498
1777	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2499	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1778	}	2500	}
1779		2501
1780	sub cf::object::player::leave_link {	2502	sub cf::object::player::leave_link {
1781	my ($self, $map, $x, $y) = @_;	2503	my ($self, $map, $x, $y) = @_;
		2504
		2505	return unless $self->contr->active;
1782		2506
1783	my $link_pos = delete $self->{_link_pos};	2507	my $link_pos = delete $self->{_link_pos};
1784		2508
1785	unless ($map) {	2509	unless ($map) {
1786	# restore original map position	2510	# restore original map position
…		…
1800	# use -1 or undef as default coordinates, not 0, 0	2524	# use -1 or undef as default coordinates, not 0, 0
1801	($x, $y) = ($map->enter_x, $map->enter_y)	2525	($x, $y) = ($map->enter_x, $map->enter_y)
1802	if $x <=0 && $y <= 0;	2526	if $x <=0 && $y <= 0;
1803		2527
1804	$map->load;	2528	$map->load;
1805	$map->load_diag;	2529	$map->load_neighbours;
1806		2530
1807	return unless $self->contr->active;	2531	return unless $self->contr->active;
1808	$self->activate_recursive;	2532	$self->activate_recursive;
1809		2533
1810	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2534	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1811	$self->enter_map ($map, $x, $y);	2535	$self->enter_map ($map, $x, $y);
1812	}	2536	}
1813		2537
1814	cf::player->attach (	2538	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1815	on_logout => sub {
1816	my ($pl) = @_;
1817		2539
1818	# abort map switching before logout	2540	Moves the player to the given map-path and coordinates by first freezing
1819	if ($pl->ob->{_link_pos}) {	2541	her, loading and preparing them map, calling the provided $check callback
1820	cf::sync_job {	2542	that has to return the map if sucecssful, and then unfreezes the player on
1821	$pl->ob->leave_link	2543	the new (success) or old (failed) map position. In either case, $done will
1822	};	2544	be called at the end of this process.
1823	}
1824	},
1825	on_login => sub {
1826	my ($pl) = @_;
1827		2545
1828	# try to abort aborted map switching on player login :)
1829	# should happen only on crashes
1830	if ($pl->ob->{_link_pos}) {
1831	$pl->ob->enter_link;
1832	(async {
1833	$pl->ob->reply (undef,
1834	"There was an internal problem at your last logout, "
1835	. "the server will try to bring you to your intended destination in a second.",
1836	cf::NDI_RED);
1837	# we need this sleep as the login has a concurrent enter_exit running
1838	# and this sleep increases chances of the player not ending up in scorn
1839	Coro::Timer::sleep 1;
1840	$pl->ob->leave_link;
1841	})->prio (2);
1842	}
1843	},
1844	);
1845
1846	=item $player_object->goto ($path, $x, $y)
1847
1848	=cut	2546	=cut
		2547
		2548	our $GOTOGEN;
1849		2549
1850	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
1851	my ($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;
1852		2555
1853	$self->enter_link;	2556	$self->enter_link;
1854		2557
1855	(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
1856	my $map = eval {	2580	my $map = eval {
1857	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
		2582
		2583	if ($map) {
1858	$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
1859	$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 $@;
1860	} or	2596	}
1861	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1862		2597
		2598	if ($gen == $self->{_goto_generation}) {
		2599	delete $self->{_goto_generation};
1863	$self->leave_link ($map, $x, $y);	2600	$self->leave_link ($map, $x, $y);
		2601	}
		2602
		2603	$done->() if $done;
1864	})->prio (1);	2604	})->prio (1);
1865	}	2605	}
1866		2606
1867	=item $player_object->enter_exit ($exit_object)	2607	=item $player_object->enter_exit ($exit_object)
1868		2608
…		…
1905	$rmp->{origin_y} = $exit->y;	2645	$rmp->{origin_y} = $exit->y;
1906	}	2646	}
1907		2647
1908	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
1909		2649
1910	my $data = cf::to_json $rmp;	2650	my $data = cf::encode_json $rmp;
1911	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
1912	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
1913		2653
1914	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1915	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
1916	undef $fh;	2656	undef $fh;
1917	aio_rename "$meta~", $meta;	2657	aio_rename "$meta~", $meta;
…		…
1926		2666
1927	return unless $self->type == cf::PLAYER;	2667	return unless $self->type == cf::PLAYER;
1928		2668
1929	if ($exit->slaying eq "/!") {	2669	if ($exit->slaying eq "/!") {
1930	#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
1931	cf::sync_job { prepare_random_map $exit };	2673	cf::sync_job { prepare_random_map $exit };
1932	}	2674	}
1933		2675
1934	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;
1935	my $hp = $exit->stats->hp;	2677	my $hp = $exit->stats->hp;
1936	my $sp = $exit->stats->sp;	2678	my $sp = $exit->stats->sp;
1937		2679
1938	$self->enter_link;	2680	$self->enter_link;
1939		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
1940	(async {	2686	(async {
		2687	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2688
1941	$self->deactivate_recursive; # just to be sure	2689	$self->deactivate_recursive; # just to be sure
1942	unless (eval {	2690	unless (eval {
1943	$self->goto ($slaying, $hp, $sp);	2691	$self->goto ($slaying, $hp, $sp);
1944		2692
1945	1;	2693	1;
1946	}) {	2694	}) {
1947	$self->message ("Something went wrong deep within the crossfire server. "	2695	$self->message ("Something went wrong deep within the crossfire server. "
1948	. "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. "
1949	. "Please report this to the dungeon master!",	2697	. "Please report this to the dungeon master!",
1950	cf::NDI_UNIQUE | cf::NDI_RED);	2698	cf::NDI_UNIQUE | cf::NDI_RED);
1951		2699
1952	warn "ERROR in enter_exit: $@";	2700	warn "ERROR in enter_exit: $@";
1953	$self->leave_link;	2701	$self->leave_link;
1954	}	2702	}
1955	})->prio (1);	2703	})->prio (1);
…		…
1968		2716
1969	sub cf::client::send_drawinfo {	2717	sub cf::client::send_drawinfo {
1970	my ($self, $text, $flags) = @_;	2718	my ($self, $text, $flags) = @_;
1971		2719
1972	utf8::encode $text;	2720	utf8::encode $text;
1973	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2721	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1974	}	2722	}
1975		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	}
1976		2882
1977	=item $success = $client->query ($flags, "text", \&cb)	2883	=item $success = $client->query ($flags, "text", \&cb)
1978		2884
1979	Queues a query to the client, calling the given callback with	2885	Queues a query to the client, calling the given callback with
1980	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>,
1981	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>.
1982		2888
1983	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
1984	reliable at some point in the future.	2890	become reliable at some point in the future.
1985		2891
1986	=cut	2892	=cut
1987		2893
1988	sub cf::client::query {	2894	sub cf::client::query {
1989	my ($self, $flags, $text, $cb) = @_;	2895	my ($self, $flags, $text, $cb) = @_;
…		…
1997	utf8::encode $text;	2903	utf8::encode $text;
1998	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2904	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1999		2905
2000	$self->send_packet ($self->{query_queue}[0][0])	2906	$self->send_packet ($self->{query_queue}[0][0])
2001	if @{ $self->{query_queue} } == 1;	2907	if @{ $self->{query_queue} } == 1;
		2908
		2909	1
2002	}	2910	}
2003		2911
2004	cf::client->attach (	2912	cf::client->attach (
		2913	on_connect => sub {
		2914	my ($ns) = @_;
		2915
		2916	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2917	},
2005	on_reply => sub {	2918	on_reply => sub {
2006	my ($ns, $msg) = @_;	2919	my ($ns, $msg) = @_;
2007		2920
2008	# this weird shuffling is so that direct followup queries	2921	# this weird shuffling is so that direct followup queries
2009	# get handled first	2922	# get handled first
…		…
2021	} else {	2934	} else {
2022	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2023	}	2936	}
2024	}	2937	}
2025	},	2938	},
		2939	on_exticmd => sub {
		2940	my ($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	},
2026	);	2965	);
2027		2966
2028	=item $client->async (\&cb)	2967	=item $client->async (\&cb)
2029		2968
2030	Create a new coroutine, running the specified callback. The coroutine will	2969	Create a new coroutine, running the specified callback. The coroutine will
…		…
2071	our $safe = new Safe "safe";	3010	our $safe = new Safe "safe";
2072	our $safe_hole = new Safe::Hole;	3011	our $safe_hole = new Safe::Hole;
2073		3012
2074	$SIG{FPE} = 'IGNORE';	3013	$SIG{FPE} = 'IGNORE';
2075		3014
2076	$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	));
2077		3020
2078	# here we export the classes and methods available to script code	3021	# here we export the classes and methods available to script code
2079		3022
2080	=pod	3023	=pod
2081		3024
2082	The following fucntions and emthods are available within a safe environment:	3025	The following functions and methods are available within a safe environment:
2083		3026
2084	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
2085	cf::object::player player	3031	cf::object::player
2086	cf::player peaceful	3032	player
2087	cf::map trigger	3033
		3034	cf::player
		3035	peaceful
		3036
		3037	cf::map
		3038	trigger
2088		3039
2089	=cut	3040	=cut
2090		3041
2091	for (	3042	for (
2092	["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)],
2093	["cf::object::player" => qw(player)],	3046	["cf::object::player" => qw(player)],
2094	["cf::player" => qw(peaceful)],	3047	["cf::player" => qw(peaceful)],
2095	["cf::map" => qw(trigger)],	3048	["cf::map" => qw(trigger)],
2096	) {	3049	) {
2097	no strict 'refs';	3050	no strict 'refs';
…		…
2168	=back	3121	=back
2169		3122
2170	=cut	3123	=cut
2171		3124
2172	#############################################################################	3125	#############################################################################
2173
2174	=head2 EXTENSION DATABASE SUPPORT
2175
2176	Crossfire maintains a very simple database for extension use. It can
2177	currently store anything that can be serialised using Storable, which
2178	excludes objects.
2179
2180	The parameter C<$family> should best start with the name of the extension
2181	using it, it should be unique.
2182
2183	=over 4
2184
2185	=item $value = cf::db_get $family => $key
2186
2187	Returns a single value from the database.
2188
2189	=item cf::db_put $family => $key => $value
2190
2191	Stores the given C<$value> in the family.
2192
2193	=cut
2194
2195	our $DB;
2196
2197	sub db_init {
2198	unless ($DB) {
2199	$DB = BDB::db_create $DB_ENV;
2200
2201	cf::sync_job {
2202	eval {
2203	$DB->set_flags (BDB::CHKSUM);
2204
2205	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2206	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2207	cf::cleanup "db_open(db): $!" if $!;
2208	};
2209	cf::cleanup "db_open(db): $@" if $@;
2210	};
2211
2212	my $path = cf::localdir . "/database.pst";
2213	if (stat $path) {
2214	cf::sync_job {
2215	my $pst = Storable::retrieve $path;
2216
2217	cf::db_put (board => data => $pst->{board});
2218	cf::db_put (guildrules => data => $pst->{guildrules});
2219	cf::db_put (rent => balance => $pst->{rent}{balance});
2220	BDB::db_env_txn_checkpoint $DB_ENV;
2221
2222	unlink $path;
2223	};
2224	}
2225	}
2226	}
2227
2228	sub db_get($$) {
2229	my $key = "$_[0]/$_[1]";
2230
2231	cf::sync_job {
2232	BDB::db_get $DB, undef, $key, my $data;
2233
2234	$! ? ()
2235	: Compress::LZF::sthaw $data
2236	}
2237	}
2238
2239	sub db_put($$$) {
2240	BDB::dbreq_pri 4;
2241	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2242	}
2243
2244	#############################################################################
2245	# the server's init and main functions	3126	# the server's init and main functions
2246		3127
2247	sub init_resources {	3128	sub load_facedata($) {
2248	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"
2249	or die "unable to load regions file\n";#d#	3269	or die "unable to load regions file\n";
2250	}
2251		3270
2252	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 {
2253	open my $fh, "<:utf8", cf::confdir . "/config"	3314	open my $fh, "<:utf8", "$CONFDIR/config"
2254	or return;	3315	or return;
2255		3316
2256	local $/;	3317	local $/;
2257	*CFG = YAML::Syck::Load <$fh>;	3318	*CFG = YAML::Syck::Load <$fh>;
2258		3319
…		…
2268	};	3329	};
2269	warn $@ if $@;	3330	warn $@ if $@;
2270	}	3331	}
2271	}	3332	}
2272		3333
2273	sub init {
2274	init_resources;
2275	}
2276
2277	sub main {	3334	sub main {
2278	# we must not ever block the main coroutine	3335	# we must not ever block the main coroutine
2279	local $Coro::idle = sub {	3336	local $Coro::idle = sub {
2280	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#
2281	(async {	3338	(async {
2282	Event::one_event;	3339	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3340	EV::loop EV::LOOP_ONESHOT;
2283	})->prio (Coro::PRIO_MAX);	3341	})->prio (Coro::PRIO_MAX);
2284	};	3342	};
2285		3343
2286	cfg_load;	3344	reload_config;
2287	db_init;	3345	db_init;
2288	load_extensions;	3346	load_extensions;
2289		3347
2290	$TICK_WATCHER->start;	3348	$TICK_WATCHER->start;
		3349	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2291	Event::loop;	3350	EV::loop;
2292	}	3351	}
2293		3352
2294	#############################################################################	3353	#############################################################################
2295	# initialisation and cleanup	3354	# initialisation and cleanup
2296		3355
2297	# install some emergency cleanup handlers	3356	# install some emergency cleanup handlers
2298	BEGIN {	3357	BEGIN {
		3358	our %SIGWATCHER = ();
2299	for my $signal (qw(INT HUP TERM)) {	3359	for my $signal (qw(INT HUP TERM)) {
2300	Event->signal (	3360	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2301	reentrant => 0,
2302	data => WF_AUTOCANCEL,
2303	signal => $signal,
2304	prio => 0,
2305	cb => sub {
2306	cf::cleanup "SIG$signal";	3361	cf::cleanup "SIG$signal";
2307	},
2308	);	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
2309	}	3401	1
2310	}	3402	}
2311		3403
2312	sub emergency_save() {	3404	sub emergency_save() {
2313	my $freeze_guard = cf::freeze_mainloop;	3405	my $freeze_guard = cf::freeze_mainloop;
2314		3406
…		…
2320	# and maps saved/destroyed asynchronously.	3412	# and maps saved/destroyed asynchronously.
2321	warn "begin emergency player save\n";	3413	warn "begin emergency player save\n";
2322	for my $login (keys %cf::PLAYER) {	3414	for my $login (keys %cf::PLAYER) {
2323	my $pl = $cf::PLAYER{$login} or next;	3415	my $pl = $cf::PLAYER{$login} or next;
2324	$pl->valid or next;	3416	$pl->valid or next;
		3417	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2325	$pl->save;	3418	$pl->save;
2326	}	3419	}
2327	warn "end emergency player save\n";	3420	warn "end emergency player save\n";
2328		3421
2329	warn "begin emergency map save\n";	3422	warn "begin emergency map save\n";
…		…
2347		3440
2348	warn Carp::longmess "post_cleanup backtrace"	3441	warn Carp::longmess "post_cleanup backtrace"
2349	if $make_core;	3442	if $make_core;
2350	}	3443	}
2351		3444
2352	sub reload() {	3445	sub do_reload_perl() {
2353	# can/must only be called in main	3446	# can/must only be called in main
2354	if ($Coro::current != $Coro::main) {	3447	if ($Coro::current != $Coro::main) {
2355	warn "can only reload from main coroutine";	3448	warn "can only reload from main coroutine";
2356	return;	3449	return;
2357	}	3450	}
…		…
2368	warn "syncing database to disk";	3461	warn "syncing database to disk";
2369	BDB::db_env_txn_checkpoint $DB_ENV;	3462	BDB::db_env_txn_checkpoint $DB_ENV;
2370		3463
2371	# 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
2372		3465
2373	warn "cancelling all WF_AUTOCANCEL watchers";
2374	for (Event::all_watchers) {
2375	$_->cancel if $_->data & WF_AUTOCANCEL;
2376	}
2377
2378	warn "flushing outstanding aio requests";	3466	warn "flushing outstanding aio requests";
2379	for (;;) {	3467	for (;;) {
2380	BDB::flush;	3468	BDB::flush;
2381	IO::AIO::flush;	3469	IO::AIO::flush;
2382	Coro::cede;	3470	Coro::cede_notself;
2383	last unless IO::AIO::nreqs || BDB::nreqs;	3471	last unless IO::AIO::nreqs || BDB::nreqs;
2384	warn "iterate...";	3472	warn "iterate...";
2385	}	3473	}
		3474
		3475	++$RELOAD;
2386		3476
2387	warn "cancelling all extension coros";	3477	warn "cancelling all extension coros";
2388	$_->cancel for values %EXT_CORO;	3478	$_->cancel for values %EXT_CORO;
2389	%EXT_CORO = ();	3479	%EXT_CORO = ();
2390		3480
2391	warn "removing commands";	3481	warn "removing commands";
2392	%COMMAND = ();	3482	%COMMAND = ();
2393		3483
2394	warn "removing ext commands";	3484	warn "removing ext/exti commands";
2395	%EXTCMD = ();	3485	%EXTCMD = ();
		3486	%EXTICMD = ();
2396		3487
2397	warn "unloading/nuking all extensions";	3488	warn "unloading/nuking all extensions";
2398	for my $pkg (@EXTS) {	3489	for my $pkg (@EXTS) {
2399	warn "... unloading $pkg";	3490	warn "... unloading $pkg";
2400		3491
…		…
2430	Symbol::delete_package "safe::$_"	3521	Symbol::delete_package "safe::$_"
2431	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);
2432		3523
2433	warn "unloading cf.pm \"a bit\"";	3524	warn "unloading cf.pm \"a bit\"";
2434	delete $INC{"cf.pm"};	3525	delete $INC{"cf.pm"};
		3526	delete $INC{"cf/pod.pm"};
2435		3527
2436	# don't, removes xs symbols, too,	3528	# don't, removes xs symbols, too,
2437	# and global variables created in xs	3529	# and global variables created in xs
2438	#Symbol::delete_package __PACKAGE__;	3530	#Symbol::delete_package __PACKAGE__;
2439		3531
…		…
2442	warn "reloading cf.pm";	3534	warn "reloading cf.pm";
2443	require cf;	3535	require cf;
2444	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3536	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2445		3537
2446	warn "loading config and database again";	3538	warn "loading config and database again";
2447	cf::cfg_load;	3539	cf::reload_config;
2448		3540
2449	warn "loading extensions";	3541	warn "loading extensions";
2450	cf::load_extensions;	3542	cf::load_extensions;
2451		3543
2452	warn "reattaching attachments to objects/players";	3544	warn "reattaching attachments to objects/players";
2453	_global_reattach;	3545	_global_reattach; # objects, sockets
2454	warn "reattaching attachments to maps";	3546	warn "reattaching attachments to maps";
2455	reattach $_ for values %MAP;	3547	reattach $_ for values %MAP;
2456		3548	warn "reattaching attachments to players";
2457	warn "loading reloadable resources";	3549	reattach $_ for values %PLAYER;
2458	init_resources;
2459		3550
2460	warn "leaving sync_job";	3551	warn "leaving sync_job";
2461		3552
2462	1	3553	1
2463	} or do {	3554	} or do {
…		…
2469	warn "reloaded";	3560	warn "reloaded";
2470	};	3561	};
2471		3562
2472	our $RELOAD_WATCHER; # used only during reload	3563	our $RELOAD_WATCHER; # used only during reload
2473		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 $RELOAD_WATCHER;
		3571	do_reload_perl;
		3572	};
		3573	}
		3574
2474	register_command "reload" => sub {	3575	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3576	my ($who, $arg) = @_;
2476		3577
2477	if ($who->flag (FLAG_WIZ)) {	3578	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("reloading server.");	3579	$who->message ("reloading server.");
2479		3580	async {
2480	# doing reload synchronously and two reloads happen back-to-back,	3581	$Coro::current->{desc} = "perl_reload";
2481	# coro crashes during coro_state_free->destroy here.
2482
2483	$RELOAD_WATCHER ||= Event->timer (
2484	reentrant => 0,
2485	after => 0,
2486	data => WF_AUTOCANCEL,
2487	cb => sub {
2488	reload;	3582	reload_perl;
2489	undef $RELOAD_WATCHER;
2490	},
2491	);	3583	};
2492	}	3584	}
2493	};	3585	};
2494		3586
2495	unshift @INC, $LIBDIR;	3587	unshift @INC, $LIBDIR;
2496		3588
2497	my $bug_warning = 0;	3589	my $bug_warning = 0;
2498		3590
2499	$TICK_WATCHER = Event->timer (	3591	our @WAIT_FOR_TICK;
2500	reentrant => 0,	3592	our @WAIT_FOR_TICK_BEGIN;
2501	parked => 1,	3593
2502	prio => 0,	3594	sub wait_for_tick {
2503	at => $NEXT_TICK || $TICK,	3595	return unless $TICK_WATCHER->is_active;
2504	data => WF_AUTOCANCEL,	3596	return if $Coro::current == $Coro::main;
2505	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, $TICK, 0, sub {
2506	if ($Coro::current != $Coro::main) {	3613	if ($Coro::current != $Coro::main) {
2507	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3614	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2508	unless ++$bug_warning > 10;	3615	unless ++$bug_warning > 10;
2509	return;	3616	return;
2510	}	3617	}
2511		3618
2512	$NOW = Event::time;	3619	$NOW = $tick_start = EV::now;
2513		3620
2514	cf::server_tick; # one server iteration	3621	cf::server_tick; # one server iteration
		3622
2515	$RUNTIME += $TICK;	3623	$RUNTIME += $TICK;
2516	$NEXT_TICK += $TICK;	3624	$NEXT_TICK = $_[0]->at;
2517		3625
2518	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3626	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2519	$NEXT_RUNTIME_WRITE = $NOW + 10;	3627	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2520	Coro::async_pool {	3628	Coro::async_pool {
		3629	$Coro::current->{desc} = "runtime saver";
2521	write_runtime	3630	write_runtime
2522	or warn "ERROR: unable to write runtime file: $!";	3631	or warn "ERROR: unable to write runtime file: $!";
2523	};
2524	}	3632	};
2525
2526	$WAIT_FOR_TICK->broadcast;
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2528
2529	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#
2531
2532	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534
2535	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;
2537	},	3633	}
2538	);	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);
2539		3648
2540	{	3649	{
2541	BDB::max_poll_time $TICK * 0.1;	3650	# configure BDB
2542	$BDB_POLL_WATCHER = Event->io (	3651
2543	reentrant => 0,
2544	fd => BDB::poll_fileno,
2545	poll => 'r',
2546	prio => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => \&BDB::poll_cb,
2549	);
2550	BDB::min_parallel 8;	3652	BDB::min_parallel 8;
2551		3653	BDB::max_poll_reqs $TICK * 0.1;
2552	BDB::set_sync_prepare {	3654	$Coro::BDB::WATCHER->priority (1);
2553	my $status;
2554	my $current = $Coro::current;
2555	(
2556	sub {
2557	$status = $!;
2558	$current->ready; undef $current;
2559	},
2560	sub {
2561	Coro::schedule while defined $current;
2562	$! = $status;
2563	},
2564	)
2565	};
2566		3655
2567	unless ($DB_ENV) {	3656	unless ($DB_ENV) {
2568	$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);
2569		3662
2570	cf::sync_job {	3663	cf::sync_job {
2571	eval {	3664	eval {
2572	BDB::db_env_open	3665	BDB::db_env_open
2573	$DB_ENV,	3666	$DB_ENV,
2574	$BDB_ENV_DIR,	3667	$BDBDIR,
2575	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3668	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2576	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3669	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2577	0666;	3670	0666;
2578		3671
2579	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3672	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2580
2581	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2582	$DB_ENV->set_lk_detect;
2583	};	3673	};
2584		3674
2585	cf::cleanup "db_env_open(db): $@" if $@;	3675	cf::cleanup "db_env_open(db): $@" if $@;
2586	};	3676	};
2587	}	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	};
2588	}	3688	}
2589		3689
2590	{	3690	{
		3691	# configure IO::AIO
		3692
2591	IO::AIO::min_parallel 8;	3693	IO::AIO::min_parallel 8;
2592
2593	undef $Coro::AIO::WATCHER;
2594	IO::AIO::max_poll_time $TICK * 0.1;	3694	IO::AIO::max_poll_time $TICK * 0.1;
2595	$AIO_POLL_WATCHER = Event->io (	3695	$Coro::AIO::WATCHER->priority (1);
2596	reentrant => 0,
2597	data => WF_AUTOCANCEL,
2598	fd => IO::AIO::poll_fileno,
2599	poll => 'r',
2600	prio => 6,
2601	cb => \&IO::AIO::poll_cb,
2602	);
2603	}	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;
2604		3740
2605	END { cf::emergency_save }	3741	END { cf::emergency_save }
2606		3742
2607	1	3743	1
2608		3744

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