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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.221 by pippijn, Fri Mar 2 13:32:52 2007 UTC vs.
Revision 1.406 by root, Mon Dec 17 08:27:44 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use 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 $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151		194
152	LOG llevError, $msg;	195	LOG llevError, $msg;
153	};	196	};
154	}	197	}
155		198
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		206
163	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	208	# within the Safe compartment.
165	for my $pkg (qw(	209	for my $pkg (qw(
166	cf::global cf::attachable	210	cf::global cf::attachable
…		…
171	)) {	215	)) {
172	no strict 'refs';	216	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	218	}
175		219
176	$Event::DIED = sub {	220	$EV::DIED = sub {
177	warn "error in event callback: @_";	221	warn "error in event callback: @_";
178	};	222	};
		223
		224	#############################################################################
179		225
180	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
181		227
182	=over 4	228	=over 4
183		229
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	249	$d
204	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
205	}	251	}
206		252
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	253	=item $ref = cf::decode_json $json
210		254
211	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
212		256
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	257	=item $json = cf::encode_json $ref
221		258
222	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
223		260
224	=cut	261	=cut
225		262
226	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
228	JSON::Syck::Dump $_[0]	265	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	266	sub decode_json($) { $json_coder->decode ($_[0]) }
230		267
231	=item cf::lock_wait $string	268	=item cf::lock_wait $string
232		269
233	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
234		271
…		…
237	Wait until the given lock is available and then acquires it and returns	274	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,	275	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	276	for example when the coroutine gets canceled), the lock is automatically
240	returned.	277	returned.
241		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
242	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
244		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
245	=cut	289	=cut
246		290
247	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
248		293
249	sub lock_wait($) {	294	sub lock_wait($) {
250	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
251		301
252	# wait for lock, if any	302	# wait for lock, if any
253	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	305	Coro::schedule;
…		…
261		311
262	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
263	lock_wait $key;	313	lock_wait $key;
264		314
265	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
266		317
267	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
270	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
271	}	329	}
272		330
273	sub freeze_mainloop {	331	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
275		333
…		…
278	};	336	};
279	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
280	$guard	338	$guard
281	}	339	}
282		340
		341	=item cf::periodic $interval, $cb
		342
		343	Like EV::periodic, but randomly selects a starting point so that the actions
		344	get spread over timer.
		345
		346	=cut
		347
		348	sub periodic($$) {
		349	my ($interval, $cb) = @_;
		350
		351	my $start = rand List::Util::min 180, $interval;
		352
		353	EV::periodic $start, $interval, 0, $cb
		354	}
		355
		356	=item cf::get_slot $time[, $priority[, $name]]
		357
		358	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		359	This call blocks and returns only when you have at least C<$time> seconds
		360	of cpu time till the next tick. The slot is only valid till the next cede.
		361
		362	The optional C<$name> can be used to identify the job to run. It might be
		363	used for statistical purposes and should identify the same time-class.
		364
		365	Useful for short background jobs.
		366
		367	=cut
		368
		369	our @SLOT_QUEUE;
		370	our $SLOT_QUEUE;
		371
		372	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		373	$SLOT_QUEUE = Coro::async {
		374	$Coro::current->desc ("timeslot manager");
		375
		376	my $signal = new Coro::Signal;
		377
		378	while () {
		379	next_job:
		380	my $avail = cf::till_tick;
		381	if ($avail > 0.01) {
		382	for (0 .. $#SLOT_QUEUE) {
		383	if ($SLOT_QUEUE[$_][0] < $avail) {
		384	my $job = splice @SLOT_QUEUE, $_, 1, ();
		385	$job->[2]->send;
		386	Coro::cede;
		387	goto next_job;
		388	}
		389	}
		390	}
		391
		392	if (@SLOT_QUEUE) {
		393	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		394	push @cf::WAIT_FOR_TICK, $signal;
		395	$signal->wait;
		396	} else {
		397	Coro::schedule;
		398	}
		399	}
		400	};
		401
		402	sub get_slot($;$$) {
		403	my ($time, $pri, $name) = @_;
		404
		405	$time = $TICK * .6 if $time > $TICK * .6;
		406	my $sig = new Coro::Signal;
		407
		408	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		409	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		410	$SLOT_QUEUE->ready;
		411	$sig->wait;
		412	}
		413
283	=item cf::async { BLOCK }	414	=item cf::async { BLOCK }
284		415
285	Currently the same as Coro::async_pool, meaning you cannot use	416	Currently the same as Coro::async_pool, meaning you cannot use
286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	417	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287	thing you are allowed to do is call C<prio> on it.	418	thing you are allowed to do is call C<prio> on it.
…		…
290		421
291	BEGIN { *async = \&Coro::async_pool }	422	BEGIN { *async = \&Coro::async_pool }
292		423
293	=item cf::sync_job { BLOCK }	424	=item cf::sync_job { BLOCK }
294		425
295	The design of crossfire+ requires that the main coro ($Coro::main) is	426	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	427	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	428	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		429	acceptable.
298		430
299	If it must be done, put the blocking parts into C<sync_job>. This will run	431	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	432	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	433	server will be frozen during this time, so the block should either finish
302	fast or be very important.	434	fast or be very important.
…		…
305		437
306	sub sync_job(&) {	438	sub sync_job(&) {
307	my ($job) = @_;	439	my ($job) = @_;
308		440
309	if ($Coro::current == $Coro::main) {	441	if ($Coro::current == $Coro::main) {
		442	my $time = EV::time;
		443
310	# this is the main coro, too bad, we have to block	444	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	445	# till the operation succeeds, freezing the server :/
312		446
		447	LOG llevError, Carp::longmess "sync job";#d#
		448
313	# TODO: use suspend/resume instead	449	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	450	# (but this is cancel-safe)
315	my $freeze_guard = freeze_mainloop;	451	my $freeze_guard = freeze_mainloop;
316		452
317	my $busy = 1;	453	my $busy = 1;
318	my @res;	454	my @res;
319		455
320	(async {	456	(async {
		457	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	458	@res = eval { $job->() };
322	warn $@ if $@;	459	warn $@ if $@;
323	undef $busy;	460	undef $busy;
324	})->prio (Coro::PRIO_MAX);	461	})->prio (Coro::PRIO_MAX);
325		462
326	while ($busy) {	463	while ($busy) {
327	Coro::cede or Event::one_event;	464	if (Coro::nready) {
		465	Coro::cede_notself;
		466	} else {
		467	EV::loop EV::LOOP_ONESHOT;
328	}	468	}
		469	}
		470
		471	$time = EV::time - $time;
		472
		473	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		474	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		475
		476	$tick_start += $time; # do not account sync jobs to server load
329		477
330	wantarray ? @res : $res[0]	478	wantarray ? @res : $res[0]
331	} else {	479	} else {
332	# we are in another coroutine, how wonderful, everything just works	480	# we are in another coroutine, how wonderful, everything just works
333		481
…		…
353	$EXT_CORO{$coro+0} = $coro;	501	$EXT_CORO{$coro+0} = $coro;
354		502
355	$coro	503	$coro
356	}	504	}
357		505
358	sub write_runtime {	506	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		507
361	my $runtime = cf::localdir . "/runtime";	508	Executes the given code block with the given arguments in a seperate
		509	process, returning the results. Everything must be serialisable with
		510	Coro::Storable. May, of course, block. Note that the executed sub may
		511	never block itself or use any form of event handling.
362		512
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	513	=cut
364	or return;
365		514
366	my $value = $cf::RUNTIME + 90 + 10;	515	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	516	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		517
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	518	# we seemingly have to make a local copy of the whole thing,
371	and return;	519	# otherwise perl prematurely frees the stuff :/
		520	# TODO: investigate and fix (likely this will be rather laborious)
372		521
373	# always fsync - this file is important	522	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	523	reset_signals;
375	and return;	524	&$cb
		525	}, @args;
376		526
377	close $fh	527	wantarray ? @res : $res[-1]
378	or return;	528	}
379		529
380	aio_rename "$runtime~", $runtime	530	=item $value = cf::db_get $family => $key
381	and return;
382		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=item $db = cf::db_table "name"
		540
		541	Create and/or open a new database table. The string must not be "db" and must be unique
		542	within each server.
		543
		544	=cut
		545
		546	sub db_table($) {
		547	my ($name) = @_;
		548	my $db = BDB::db_create $DB_ENV;
		549
		550	eval {
		551	$db->set_flags (BDB::CHKSUM);
		552
		553	utf8::encode $name;
		554	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		555	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		556	cf::cleanup "db_open(db): $!" if $!;
		557	};
		558	cf::cleanup "db_open(db): $@" if $@;
		559
		560	$db
		561	}
		562
		563	our $DB;
		564
		565	sub db_init {
		566	cf::sync_job {
		567	$DB ||= db_table "db";
		568	};
		569	}
		570
		571	sub db_get($$) {
		572	my $key = "$_[0]/$_[1]";
		573
		574	cf::sync_job {
		575	BDB::db_get $DB, undef, $key, my $data;
		576
		577	$! ? ()
		578	: $data
383	1	579	}
		580	}
		581
		582	sub db_put($$$) {
		583	BDB::dbreq_pri 4;
		584	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		585	}
		586
		587	=item cf::cache $id => [$paths...], $processversion => $process
		588
		589	Generic caching function that returns the value of the resource $id,
		590	caching and regenerating as required.
		591
		592	This function can block.
		593
		594	=cut
		595
		596	sub cache {
		597	my ($id, $src, $processversion, $process) = @_;
		598
		599	my $meta =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	aio_stat $_
		604	and Carp::croak "$_: $!";
		605
		606	($_, (stat _)[7,9])
		607	} @$src;
		608
		609	my $dbmeta = db_get cache => "$id/meta";
		610	if ($dbmeta ne $meta) {
		611	# changed, we may need to process
		612
		613	my @data;
		614	my $md5;
		615
		616	for (0 .. $#$src) {
		617	0 <= aio_load $src->[$_], $data[$_]
		618	or Carp::croak "$src->[$_]: $!";
		619	}
		620
		621	# if processing is expensive, check
		622	# checksum first
		623	if (1) {
		624	$md5 =
		625	join "\x00",
		626	$processversion,
		627	map {
		628	cf::cede_to_tick;
		629	($src->[$_], Digest::MD5::md5_hex $data[$_])
		630	} 0.. $#$src;
		631
		632
		633	my $dbmd5 = db_get cache => "$id/md5";
		634	if ($dbmd5 eq $md5) {
		635	db_put cache => "$id/meta", $meta;
		636
		637	return db_get cache => "$id/data";
		638	}
		639	}
		640
		641	my $t1 = Time::HiRes::time;
		642	my $data = $process->(\@data);
		643	my $t2 = Time::HiRes::time;
		644
		645	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		646
		647	db_put cache => "$id/data", $data;
		648	db_put cache => "$id/md5" , $md5;
		649	db_put cache => "$id/meta", $meta;
		650
		651	return $data;
		652	}
		653
		654	db_get cache => "$id/data"
		655	}
		656
		657	=item cf::datalog type => key => value, ...
		658
		659	Log a datalog packet of the given type with the given key-value pairs.
		660
		661	=cut
		662
		663	sub datalog($@) {
		664	my ($type, %kv) = @_;
		665	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	666	}
385		667
386	=back	668	=back
387		669
388	=cut	670	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	677	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	678	to it. All such attachable objects support the following methods.
397		679
398	In the following description, CLASS can be any of C<global>, C<object>	680	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	681	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	682	Deliantra).
401		683
402	=over 4	684	=over 4
403		685
404	=item $attachable->attach ($attachment, key => $value...)	686	=item $attachable->attach ($attachment, key => $value...)
405		687
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	850	$registry = $CB_TYPE[$object_type] ||= [];
569		851
570	} elsif ($type eq "subtype") {	852	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	853	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	854	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	855	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		856
575	} elsif ($type eq "package") {	857	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	858	my $pkg = shift @arg;
577		859
578	while (my ($name, $id) = each %cb_id) {	860	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	889	_attach $registry, $klass, @attach;
608	}	890	}
609		891
610	$obj->{$name} = \%arg;	892	$obj->{$name} = \%arg;
611	} else {	893	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	894	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	895	}
614		896
615	$obj->{_attachment}{$name} = undef;	897	$obj->{_attachment}{$name} = undef;
616	}	898	}
617		899
…		…
619	if (ref $_[0]) {	901	if (ref $_[0]) {
620	_object_attach @_;	902	_object_attach @_;
621	} else {	903	} else {
622	_attach shift->_attach_registry, @_;	904	_attach shift->_attach_registry, @_;
623	}	905	}
		906	_recalc_want;
624	};	907	};
625		908
626	# all those should be optimised	909	# all those should be optimised
627	sub cf::attachable::detach {	910	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	911	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	914	delete $obj->{_attachment}{$name};
632	reattach ($obj);	915	reattach ($obj);
633	} else {	916	} else {
634	Carp::croak "cannot, currently, detach class attachments";	917	Carp::croak "cannot, currently, detach class attachments";
635	}	918	}
		919	_recalc_want;
636	};	920	};
637		921
638	sub cf::attachable::attached {	922	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
640		924
…		…
655	";	939	";
656	die if $@;	940	die if $@;
657	}	941	}
658		942
659	our $override;	943	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	944	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		945
662	sub override {	946	sub override {
663	$override = 1;	947	$override = 1;
664	@invoke_results = ();	948	@INVOKE_RESULTS = (@_);
665	}	949	}
666		950
667	sub do_invoke {	951	sub do_invoke {
668	my $event = shift;	952	my $event = shift;
669	my $callbacks = shift;	953	my $callbacks = shift;
670		954
671	@invoke_results = ();	955	@INVOKE_RESULTS = ();
672		956
673	local $override;	957	local $override;
674		958
675	for (@$callbacks) {	959	for (@$callbacks) {
676	eval { &{$_->[1]} };	960	eval { &{$_->[1]} };
…		…
685	}	969	}
686		970
687	0	971	0
688	}	972	}
689		973
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	974	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		975
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		977
694	Generate an object-specific event with the given arguments.	978	Generate an object-specific event with the given arguments.
695		979
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	980	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	981	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	982	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		983
700	=back	984	=back
701		985
702	=cut	986	=cut
703		987
704	#############################################################################	988	#############################################################################
705	# object support	989	# object support
		990
		991	sub _object_equal($$);
		992	sub _object_equal($$) {
		993	my ($a, $b) = @_;
		994
		995	return 0 unless (ref $a) eq (ref $b);
		996
		997	if ("HASH" eq ref $a) {
		998	my @ka = keys %$a;
		999	my @kb = keys %$b;
		1000
		1001	return 0 if @ka != @kb;
		1002
		1003	for (0 .. $#ka) {
		1004	return 0 unless $ka[$_] eq $kb[$_];
		1005	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1006	}
		1007
		1008	} elsif ("ARRAY" eq ref $a) {
		1009
		1010	return 0 if @$a != @$b;
		1011
		1012	for (0 .. $#$a) {
		1013	return 0 unless _object_equal $a->[$_], $b->[$_];
		1014	}
		1015
		1016	} elsif ($a ne $b) {
		1017	return 0;
		1018	}
		1019
		1020	1
		1021	}
		1022
		1023	our $SLOW_MERGES;#d#
		1024	sub _can_merge {
		1025	my ($ob1, $ob2) = @_;
		1026
		1027	++$SLOW_MERGES;#d#
		1028
		1029	# we do the slow way here
		1030	return _object_equal $ob1, $ob2
		1031	}
706		1032
707	sub reattach {	1033	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1034	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1035	my ($obj) = @_;
710		1036
…		…
731	cf::attachable->attach (	1057	cf::attachable->attach (
732	prio => -1000000,	1058	prio => -1000000,
733	on_instantiate => sub {	1059	on_instantiate => sub {
734	my ($obj, $data) = @_;	1060	my ($obj, $data) = @_;
735		1061
736	$data = from_json $data;	1062	$data = decode_json $data;
737		1063
738	for (@$data) {	1064	for (@$data) {
739	my ($name, $args) = @$_;	1065	my ($name, $args) = @$_;
740		1066
741	$obj->attach ($name, %{$args || {} });	1067	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1083	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1084	my ($filename, $rdata, $objs) = @_;
759		1085
760	sync_job {	1086	sync_job {
761	if (length $$rdata) {	1087	if (length $$rdata) {
		1088	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1089	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1090	$decname, length $$rdata, scalar @$objs;
764		1091
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1092	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1093	chmod SAVE_MODE, $fh;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1094	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1095	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1096	close $fh;
770		1097
771	if (@$objs) {	1098	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1099	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1100	chmod SAVE_MODE, $fh;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1101	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1102	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1103	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1104	close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1105	aio_rename "$filename.pst~", "$filename.pst";
779	}	1106	}
…		…
787	}	1114	}
788	} else {	1115	} else {
789	aio_unlink $filename;	1116	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1117	aio_unlink "$filename.pst";
791	}	1118	}
792	}	1119	};
793	}	1120	}
794		1121
795	sub object_freezer_as_string {	1122	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1123	my ($rdata, $objs) = @_;
797		1124
…		…
809	or return;	1136	or return;
810		1137
811	unless (aio_stat "$filename.pst") {	1138	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1139	(aio_load "$filename.pst", $av) >= 0
813	or return;	1140	or return;
		1141
814	$av = eval { (Storable::thaw $av)->{objs} };	1142	my $st = eval { Coro::Storable::thaw $av };
		1143	$av = $st->{objs};
815	}	1144	}
816		1145
		1146	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1147	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1148	$decname, length $data, scalar @{$av || []};
		1149
819	return ($data, $av);	1150	($data, $av)
820	}	1151	}
		1152
		1153	=head2 COMMAND CALLBACKS
		1154
		1155	=over 4
		1156
		1157	=cut
821		1158
822	#############################################################################	1159	#############################################################################
823	# command handling &c	1160	# command handling &c
824		1161
825	=item cf::register_command $name => \&callback($ob,$args);	1162	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1175	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1176	}
840		1177
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1178	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1179
843	Register a callbackf ro execution when the client sends an extcmd packet.	1180	Register a callback for execution when the client sends an (synchronous)
		1181	extcmd packet. Ext commands will be processed in the order they are
		1182	received by the server, like other user commands. The first argument is
		1183	the logged-in player. Ext commands can only be processed after a player
		1184	has logged in successfully.
844		1185
845	If the callback returns something, it is sent back as if reply was being	1186	If the callback returns something, it is sent back as if reply was being
846	called.	1187	called.
847		1188
		1189	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1190
		1191	Register a callback for execution when the client sends an (asynchronous)
		1192	exticmd packet. Exti commands are processed by the server as soon as they
		1193	are received, i.e. out of order w.r.t. other commands. The first argument
		1194	is a client socket. Exti commands can be received anytime, even before
		1195	log-in.
		1196
		1197	If the callback returns something, it is sent back as if reply was being
		1198	called.
		1199
848	=cut	1200	=cut
849		1201
850	sub register_extcmd {	1202	sub register_extcmd {
851	my ($name, $cb) = @_;	1203	my ($name, $cb) = @_;
852		1204
853	$EXTCMD{$name} = $cb;	1205	$EXTCMD{$name} = $cb;
		1206	}
		1207
		1208	sub register_exticmd {
		1209	my ($name, $cb) = @_;
		1210
		1211	$EXTICMD{$name} = $cb;
854	}	1212	}
855		1213
856	cf::player->attach (	1214	cf::player->attach (
857	on_command => sub {	1215	on_command => sub {
858	my ($pl, $name, $params) = @_;	1216	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1225	cf::override;
868	},	1226	},
869	on_extcmd => sub {	1227	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1228	my ($pl, $buf) = @_;
871		1229
872	my $msg = eval { from_json $buf };	1230	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1231
874	if (ref $msg) {	1232	if (ref $msg) {
		1233	my ($type, $reply, @payload) =
		1234	"ARRAY" eq ref $msg
		1235	? @$msg
		1236	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1237
		1238	my @reply;
		1239
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1240	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1241	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1242	}
		1243
		1244	$pl->ext_reply ($reply, @reply)
		1245	if $reply;
		1246
880	} else {	1247	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1248	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1249	}
883		1250
884	cf::override;	1251	cf::override;
885	},	1252	},
886	);	1253	);
887		1254
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1255	sub load_extensions {
		1256	cf::sync_job {
		1257	my %todo;
		1258
923	for my $ext (<$LIBDIR/*.ext>) {	1259	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1260	next unless -r $path;
925	eval {	1261
926	load_extension $ext;	1262	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1263	my $base = $1;
		1264	my $pkg = $1;
		1265	$pkg =~ s/[^[:word:]]/_/g;
		1266	$pkg = "ext::$pkg";
		1267
		1268	open my $fh, "<:utf8", $path
		1269	or die "$path: $!";
		1270
		1271	my $source = do { local $/; <$fh> };
		1272
		1273	my %ext = (
		1274	path => $path,
		1275	base => $base,
		1276	pkg => $pkg,
		1277	);
		1278
		1279	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1280	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1281
		1282	$ext{source} =
		1283	"package $pkg; use strict; use utf8;\n"
		1284	. "#line 1 \"$path\"\n{\n"
		1285	. $source
		1286	. "\n};\n1";
		1287
		1288	$todo{$base} = \%ext;
		1289	}
		1290
		1291	my %done;
		1292	while (%todo) {
		1293	my $progress;
		1294
		1295	while (my ($k, $v) = each %todo) {
		1296	for (split /,\s*/, $v->{meta}{depends}) {
		1297	goto skip
		1298	unless exists $done{$_};
		1299	}
		1300
		1301	warn "... loading '$k' into '$v->{pkg}'\n";
		1302
		1303	unless (eval $v->{source}) {
		1304	my $msg = $@ ? "$v->{path}: $@\n"
		1305	: "$v->{base}: extension inactive.\n";
		1306
		1307	if (exists $v->{meta}{mandatory}) {
		1308	warn $msg;
		1309	warn "mandatory extension failed to load, exiting.\n";
		1310	exit 1;
		1311	}
		1312
		1313	warn $msg;
		1314	}
		1315
		1316	$done{$k} = delete $todo{$k};
		1317	push @EXTS, $v->{pkg};
		1318	$progress = 1;
927	1	1319	}
928	} or warn "$ext not loaded: $@";	1320
		1321	skip:
		1322	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1323	unless $progress;
		1324	}
929	}	1325	};
930	}	1326	}
931		1327
932	#############################################################################	1328	#############################################################################
933		1329
		1330	=back
		1331
934	=head2 CORE EXTENSIONS	1332	=head2 CORE EXTENSIONS
935		1333
936	Functions and methods that extend core crossfire objects.	1334	Functions and methods that extend core crossfire objects.
937		1335
938	=cut	1336	=cut
…		…
943		1341
944	=head3 cf::player	1342	=head3 cf::player
945		1343
946	=over 4	1344	=over 4
947		1345
		1346	=item cf::player::num_playing
		1347
		1348	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1349
		1350	=cut
		1351
		1352	sub num_playing {
		1353	scalar grep
		1354	$_->ob->map
		1355	&& !$_->hidden
		1356	&& !$_->ob->flag (cf::FLAG_WIZ),
		1357	cf::player::list
		1358	}
		1359
948	=item cf::player::find $login	1360	=item cf::player::find $login
949		1361
950	Returns the given player object, loading it if necessary (might block).	1362	Returns the given player object, loading it if necessary (might block).
951		1363
952	=cut	1364	=cut
953		1365
954	sub playerdir($) {	1366	sub playerdir($) {
955	cf::localdir	1367	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1368	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1369	}
961		1370
962	sub path($) {	1371	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1372	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1373
965	(playerdir $login) . "/$login.pl"	1374	(playerdir $login) . "/playerdata"
966	}	1375	}
967		1376
968	sub find_active($) {	1377	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1378	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1379	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1392	my $login = $_[0];
984		1393
985	my $guard = cf::lock_acquire "user_find:$login";	1394	my $guard = cf::lock_acquire "user_find:$login";
986		1395
987	$cf::PLAYER{$_[0]} || do {	1396	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1397	# rename old playerfiles to new ones
		1398	#TODO: remove when no longer required
		1399	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1400	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1401	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1402	aio_unlink +(playerdir $login) . "/$login.pl";
		1403
		1404	my $f = new_from_file cf::object::thawer path $login
989	or return;	1405	or return;
		1406
		1407	my $pl = cf::player::load_pl $f
		1408	or return;
		1409	local $cf::PLAYER_LOADING{$login} = $pl;
		1410	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1411	$cf::PLAYER{$login} = $pl
991	}	1412	}
992	}	1413	}
993	}	1414	}
994		1415
…		…
1004		1425
1005	aio_mkdir playerdir $pl, 0770;	1426	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1427	$pl->{last_save} = $cf::RUNTIME;
1007		1428
1008	$pl->save_pl ($path);	1429	$pl->save_pl ($path);
1009	Coro::cede;	1430	cf::cede_to_tick;
1010	}	1431	}
1011		1432
1012	sub new($) {	1433	sub new($) {
1013	my ($login) = @_;	1434	my ($login) = @_;
1014		1435
…		…
1018	$self->{deny_save} = 1;	1439	$self->{deny_save} = 1;
1019		1440
1020	$cf::PLAYER{$login} = $self;	1441	$cf::PLAYER{$login} = $self;
1021		1442
1022	$self	1443	$self
		1444	}
		1445
		1446	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1447
		1448	=cut
		1449
		1450	sub send_msg {
		1451	my $ns = shift->ns
		1452	or return;
		1453	$ns->send_msg (@_);
1023	}	1454	}
1024		1455
1025	=item $pl->quit_character	1456	=item $pl->quit_character
1026		1457
1027	Nukes the player without looking back. If logged in, the connection will	1458	Nukes the player without looking back. If logged in, the connection will
…		…
1076	while and may block, so not sync_job-capable, ever.	1507	while and may block, so not sync_job-capable, ever.
1077		1508
1078	=cut	1509	=cut
1079		1510
1080	sub list_logins {	1511	sub list_logins {
1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1512	my $dirs = aio_readdir $PLAYERDIR
1082	or return [];	1513	or return [];
1083		1514
1084	my @logins;	1515	my @logins;
1085		1516
1086	for my $login (@$dirs) {	1517	for my $login (@$dirs) {
		1518	my $path = path $login;
		1519
		1520	# a .pst is a dead give-away for a valid player
		1521	unless (-e "$path.pst") {
1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1088	aio_read $fh, 0, 512, my $buf, 0 or next;	1523	aio_read $fh, 0, 512, my $buf, 0 or next;
1089	$buf !~ /^password -------------$/m or next; # official not-valid tag	1524	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1525	}
1090		1526
1091	utf8::decode $login;	1527	utf8::decode $login;
1092	push @logins, $login;	1528	push @logins, $login;
1093	}	1529	}
1094		1530
…		…
1121	}	1557	}
1122		1558
1123	\@paths	1559	\@paths
1124	}	1560	}
1125		1561
		1562	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1563
		1564	Expand crossfire pod fragments into protocol xml.
		1565
		1566	=cut
		1567
		1568	use re 'eval';
		1569
		1570	my $group;
		1571	my $interior; $interior = qr{
		1572	# match a pod interior sequence sans C<< >>
		1573	(?:
		1574	\ (.*?)\ (?{ $group = $^N })
		1575	| < (??{$interior}) >
		1576	)
		1577	}x;
		1578
		1579	sub expand_cfpod {
		1580	my ($self, $pod) = @_;
		1581
		1582	my $xml;
		1583
		1584	while () {
		1585	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1586	$group = $1;
		1587
		1588	$group =~ s/&/&amp;/g;
		1589	$group =~ s/</&lt;/g;
		1590
		1591	$xml .= $group;
		1592	} elsif ($pod =~ m%\G
		1593	([BCGHITU])
		1594	<
		1595	(?:
		1596	([^<>]*) (?{ $group = $^N })
		1597	| < $interior >
		1598	)
		1599	>
		1600	%gcsx
		1601	) {
		1602	my ($code, $data) = ($1, $group);
		1603
		1604	if ($code eq "B") {
		1605	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1606	} elsif ($code eq "I") {
		1607	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1608	} elsif ($code eq "U") {
		1609	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1610	} elsif ($code eq "C") {
		1611	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1612	} elsif ($code eq "T") {
		1613	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1614	} elsif ($code eq "G") {
		1615	my ($male, $female) = split /\|/, $data;
		1616	$data = $self->gender ? $female : $male;
		1617	$xml .= expand_cfpod ($self, $data);
		1618	} elsif ($code eq "H") {
		1619	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1620	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1621	"")
		1622	[$self->{hintmode}];
		1623	} else {
		1624	$xml .= "error processing '$code($data)' directive";
		1625	}
		1626	} else {
		1627	if ($pod =~ /\G(.+)/) {
		1628	warn "parse error while expanding $pod (at $1)";
		1629	}
		1630	last;
		1631	}
		1632	}
		1633
		1634	for ($xml) {
		1635	# create single paragraphs (very hackish)
		1636	s/(?<=\S)\n(?=\w)/ /g;
		1637
		1638	# compress some whitespace
		1639	s/\s+\n/\n/g; # ws line-ends
		1640	s/\n\n+/\n/g; # double lines
		1641	s/^\n+//; # beginning lines
		1642	s/\n+$//; # ending lines
		1643	}
		1644
		1645	$xml
		1646	}
		1647
		1648	no re 'eval';
		1649
		1650	sub hintmode {
		1651	$_[0]{hintmode} = $_[1] if @_ > 1;
		1652	$_[0]{hintmode}
		1653	}
		1654
1126	=item $player->ext_reply ($msgid, $msgtype, %msg)	1655	=item $player->ext_reply ($msgid, @msg)
1127		1656
1128	Sends an ext reply to the player.	1657	Sends an ext reply to the player.
1129		1658
1130	=cut	1659	=cut
1131		1660
1132	sub ext_reply($$$%) {	1661	sub ext_reply($$@) {
1133	my ($self, $id, %msg) = @_;	1662	my ($self, $id, @msg) = @_;
1134		1663
1135	$msg{msgid} = $id;	1664	$self->ns->ext_reply ($id, @msg)
1136
1137	$self->send ("ext " . cf::to_json \%msg);
1138	}	1665	}
1139		1666
1140	package cf;	1667	=item $player->ext_msg ($type, @msg)
		1668
		1669	Sends an ext event to the client.
		1670
		1671	=cut
		1672
		1673	sub ext_msg($$@) {
		1674	my ($self, $type, @msg) = @_;
		1675
		1676	$self->ns->ext_msg ($type, @msg);
		1677	}
		1678
		1679	=head3 cf::region
		1680
		1681	=over 4
		1682
		1683	=cut
		1684
		1685	package cf::region;
		1686
		1687	=item cf::region::find_by_path $path
		1688
		1689	Tries to decuce the likely region for a map knowing only its path.
		1690
		1691	=cut
		1692
		1693	sub find_by_path($) {
		1694	my ($path) = @_;
		1695
		1696	my ($match, $specificity);
		1697
		1698	for my $region (list) {
		1699	if ($region->{match} && $path =~ $region->{match}) {
		1700	($match, $specificity) = ($region, $region->specificity)
		1701	if $region->specificity > $specificity;
		1702	}
		1703	}
		1704
		1705	$match
		1706	}
1141		1707
1142	=back	1708	=back
1143
1144		1709
1145	=head3 cf::map	1710	=head3 cf::map
1146		1711
1147	=over 4	1712	=over 4
1148		1713
…		…
1203	my ($self, $merge) = @_;	1768	my ($self, $merge) = @_;
1204		1769
1205	# we have to keep some variables in memory intact	1770	# we have to keep some variables in memory intact
1206	local $self->{path};	1771	local $self->{path};
1207	local $self->{load_path};	1772	local $self->{load_path};
1208	local $self->{deny_save};
1209	local $self->{deny_reset};
1210		1773
1211	$self->SUPER::thawer_merge ($merge);	1774	$self->SUPER::thawer_merge ($merge);
1212	}	1775	}
1213		1776
1214	sub normalise {	1777	sub normalise {
…		…
1261	$self->init; # pass $1 etc.	1824	$self->init; # pass $1 etc.
1262	return $self;	1825	return $self;
1263	}	1826	}
1264	}	1827	}
1265		1828
1266	Carp::carp "unable to resolve path '$path' (base '$base').";	1829	Carp::cluck "unable to resolve path '$path' (base '$base').";
1267	()	1830	()
1268	}	1831	}
1269		1832
1270	sub init {	1833	sub init {
1271	my ($self) = @_;	1834	my ($self) = @_;
…		…
1286		1849
1287	# the original (read-only) location	1850	# the original (read-only) location
1288	sub load_path {	1851	sub load_path {
1289	my ($self) = @_;	1852	my ($self) = @_;
1290		1853
1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1854	"$MAPDIR/$self->{path}.map"
1292	}	1855	}
1293		1856
1294	# the temporary/swap location	1857	# the temporary/swap location
1295	sub save_path {	1858	sub save_path {
1296	my ($self) = @_;	1859	my ($self) = @_;
1297		1860
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1861	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1862	"$TMPDIR/$path.map"
1300	}	1863	}
1301		1864
1302	# the unique path, undef == no special unique path	1865	# the unique path, undef == no special unique path
1303	sub uniq_path {	1866	sub uniq_path {
1304	my ($self) = @_;	1867	my ($self) = @_;
1305		1868
1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1870	"$UNIQUEDIR/$path"
1308	}	1871	}
1309		1872
1310	# and all this just because we cannot iterate over	1873	# and all this just because we cannot iterate over
1311	# all maps in C++...	1874	# all maps in C++...
1312	sub change_all_map_light {	1875	sub change_all_map_light {
…		…
1314		1877
1315	$_->change_map_light ($change)	1878	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1879	for grep $_->outdoor, values %cf::MAP;
1317	}	1880	}
1318		1881
		1882	sub decay_objects {
		1883	my ($self) = @_;
		1884
		1885	return if $self->{deny_reset};
		1886
		1887	$self->do_decay_objects;
		1888	}
		1889
1319	sub unlink_save {	1890	sub unlink_save {
1320	my ($self) = @_;	1891	my ($self) = @_;
1321		1892
1322	utf8::encode (my $save = $self->save_path);	1893	utf8::encode (my $save = $self->save_path);
1323	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1326		1897
1327	sub load_header_from($) {	1898	sub load_header_from($) {
1328	my ($self, $path) = @_;	1899	my ($self, $path) = @_;
1329		1900
1330	utf8::encode $path;	1901	utf8::encode $path;
1331	#aio_open $path, O_RDONLY, 0	1902	my $f = new_from_file cf::object::thawer $path
1332	# or return;
1333
1334	$self->_load_header ($path)
1335	or return;	1903	or return;
		1904
		1905	$self->_load_header ($f)
		1906	or return;
		1907
		1908	local $MAP_LOADING{$self->{path}} = $self;
		1909	$f->resolve_delayed_derefs;
1336		1910
1337	$self->{load_path} = $path;	1911	$self->{load_path} = $path;
1338		1912
1339	1	1913	1
1340	}	1914	}
…		…
1379	$self->load_header_orig	1953	$self->load_header_orig
1380	or return;	1954	or return;
1381	$self->prepare_orig;	1955	$self->prepare_orig;
1382	}	1956	}
1383		1957
		1958	$self->{deny_reset} = 1
		1959	if $self->no_reset;
		1960
		1961	$self->default_region (cf::region::find_by_path $self->{path})
		1962	unless $self->default_region;
		1963
1384	1	1964	1
1385	}	1965	}
1386		1966
1387	sub find;	1967	sub find;
1388	sub find {	1968	sub find {
1389	my ($path, $origin) = @_;	1969	my ($path, $origin) = @_;
1390		1970
1391	$path = normalise $path, $origin && $origin->path;	1971	$path = normalise $path, $origin && $origin->path;
1392		1972
		1973	cf::lock_wait "map_data:$path";#d#remove
1393	cf::lock_wait "map_find:$path";	1974	cf::lock_wait "map_find:$path";
1394		1975
1395	$cf::MAP{$path} || do {	1976	$cf::MAP{$path} || do {
1396	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard1 = cf::lock_acquire "map_find:$path";
		1978	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1979
1397	my $map = new_from_path cf::map $path	1980	my $map = new_from_path cf::map $path
1398	or return;	1981	or return;
1399		1982
1400	$map->{last_save} = $cf::RUNTIME;	1983	$map->{last_save} = $cf::RUNTIME;
1401		1984
1402	$map->load_header	1985	$map->load_header
1403	or return;	1986	or return;
1404		1987
1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1988	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1406	# doing this can freeze the server in a sync job, obviously	1989	# doing this can freeze the server in a sync job, obviously
1407	#$cf::WAIT_FOR_TICK->wait;	1990	#$cf::WAIT_FOR_TICK->wait;
		1991	undef $guard1;
		1992	undef $guard2;
1408	$map->reset;	1993	$map->reset;
1409	undef $guard;
1410	return find $path;	1994	return find $path;
1411	}	1995	}
1412		1996
1413	$cf::MAP{$path} = $map	1997	$cf::MAP{$path} = $map
1414	}	1998	}
…		…
1421	my ($self) = @_;	2005	my ($self) = @_;
1422		2006
1423	local $self->{deny_reset} = 1; # loading can take a long time	2007	local $self->{deny_reset} = 1; # loading can take a long time
1424		2008
1425	my $path = $self->{path};	2009	my $path = $self->{path};
		2010
		2011	{
1426	my $guard = cf::lock_acquire "map_load:$path";	2012	my $guard = cf::lock_acquire "map_data:$path";
1427		2013
		2014	return unless $self->valid;
1428	return if $self->in_memory != cf::MAP_SWAPPED;	2015	return unless $self->in_memory == cf::MAP_SWAPPED;
1429		2016
1430	$self->in_memory (cf::MAP_LOADING);	2017	$self->in_memory (cf::MAP_LOADING);
1431		2018
1432	$self->alloc;	2019	$self->alloc;
1433		2020
1434	$self->pre_load;	2021	$self->pre_load;
		2022	cf::cede_to_tick;
1435		2023
1436	$self->_load_objects ($self->{load_path}, 1)	2024	my $f = new_from_file cf::object::thawer $self->{load_path};
		2025	$f->skip_block;
		2026	$self->_load_objects ($f)
1437	or return;	2027	or return;
1438		2028
1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1440	if delete $self->{load_original};	2030	if delete $self->{load_original};
1441		2031
1442	if (my $uniq = $self->uniq_path) {	2032	if (my $uniq = $self->uniq_path) {
1443	utf8::encode $uniq;	2033	utf8::encode $uniq;
1444	if (aio_open $uniq, O_RDONLY, 0) {	2034	unless (aio_stat $uniq) {
		2035	if (my $f = new_from_file cf::object::thawer $uniq) {
1445	$self->clear_unique_items;	2036	$self->clear_unique_items;
1446	$self->_load_objects ($uniq, 0);	2037	$self->_load_objects ($f);
		2038	$f->resolve_delayed_derefs;
		2039	}
1447	}	2040	}
1448	}	2041	}
1449		2042
1450	Coro::cede;	2043	$f->resolve_delayed_derefs;
1451		2044
		2045	cf::cede_to_tick;
1452	# now do the right thing for maps	2046	# now do the right thing for maps
1453	$self->link_multipart_objects;	2047	$self->link_multipart_objects;
1454
1455	unless ($self->{deny_activate}) {
1456	$self->decay_objects;
1457	$self->fix_auto_apply;
1458	$self->update_buttons;
1459	Coro::cede;
1460	$self->set_darkness_map;
1461	$self->difficulty ($self->estimate_difficulty)	2048	$self->difficulty ($self->estimate_difficulty)
1462	unless $self->difficulty;	2049	unless $self->difficulty;
1463	Coro::cede;	2050	cf::cede_to_tick;
		2051
		2052	unless ($self->{deny_activate}) {
		2053	$self->decay_objects;
		2054	$self->fix_auto_apply;
		2055	$self->update_buttons;
		2056	cf::cede_to_tick;
		2057	$self->set_darkness_map;
		2058	cf::cede_to_tick;
1464	$self->activate;	2059	$self->activate;
		2060	}
		2061
		2062	$self->{last_save} = $cf::RUNTIME;
		2063	$self->last_access ($cf::RUNTIME);
		2064
		2065	$self->in_memory (cf::MAP_IN_MEMORY);
1465	}	2066	}
1466		2067
1467	$self->post_load;	2068	$self->post_load;
1468
1469	$self->in_memory (cf::MAP_IN_MEMORY);
1470	}	2069	}
1471		2070
1472	sub customise_for {	2071	sub customise_for {
1473	my ($self, $ob) = @_;	2072	my ($self, $ob) = @_;
1474		2073
1475	return find "~" . $ob->name . "/" . $self->{path}	2074	return find "~" . $ob->name . "/" . $self->{path}
1476	if $self->per_player;	2075	if $self->per_player;
1477		2076
		2077	# return find "?party/" . $ob->name . "/" . $self->{path}
		2078	# if $self->per_party;
		2079
1478	$self	2080	$self
1479	}	2081	}
1480		2082
1481	# find and load all maps in the 3x3 area around a map	2083	# find and load all maps in the 3x3 area around a map
1482	sub load_diag {	2084	sub load_neighbours {
1483	my ($map) = @_;	2085	my ($map) = @_;
1484		2086
1485	my @diag; # diagonal neighbours	2087	my @neigh; # diagonal neighbours
1486		2088
1487	for (0 .. 3) {	2089	for (0 .. 3) {
1488	my $neigh = $map->tile_path ($_)	2090	my $neigh = $map->tile_path ($_)
1489	or next;	2091	or next;
1490	$neigh = find $neigh, $map	2092	$neigh = find $neigh, $map
1491	or next;	2093	or next;
1492	$neigh->load;	2094	$neigh->load;
1493		2095
		2096	push @neigh,
1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2097	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2098	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1496	}	2099	}
1497		2100
1498	for (@diag) {	2101	for (grep defined $_->[0], @neigh) {
		2102	my ($path, $origin) = @$_;
1499	my $neigh = find @$_	2103	my $neigh = find $path, $origin
1500	or next;	2104	or next;
1501	$neigh->load;	2105	$neigh->load;
1502	}	2106	}
1503	}	2107	}
1504		2108
…		…
1509	}	2113	}
1510		2114
1511	sub do_load_sync {	2115	sub do_load_sync {
1512	my ($map) = @_;	2116	my ($map) = @_;
1513		2117
		2118	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2119	if $Coro::current == $Coro::main;
		2120
1514	cf::sync_job { $map->load };	2121	cf::sync_job { $map->load };
1515	}	2122	}
1516		2123
1517	our %MAP_PREFETCH;	2124	our %MAP_PREFETCH;
1518	our $MAP_PREFETCHER = undef;	2125	our $MAP_PREFETCHER = undef;
1519		2126
1520	sub find_async {	2127	sub find_async {
1521	my ($path, $origin) = @_;	2128	my ($path, $origin, $load) = @_;
1522		2129
1523	$path = normalise $path, $origin && $origin->{path};	2130	$path = normalise $path, $origin && $origin->{path};
1524		2131
1525	if (my $map = $cf::MAP{$path}) {	2132	if (my $map = $cf::MAP{$path}) {
1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2133	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1527	}	2134	}
1528		2135
1529	undef $MAP_PREFETCH{$path};	2136	$MAP_PREFETCH{$path} |= $load;
		2137
1530	$MAP_PREFETCHER ||= cf::async {	2138	$MAP_PREFETCHER ||= cf::async {
		2139	$Coro::current->{desc} = "map prefetcher";
		2140
1531	while (%MAP_PREFETCH) {	2141	while (%MAP_PREFETCH) {
1532	for my $path (keys %MAP_PREFETCH) {	2142	while (my ($k, $v) = each %MAP_PREFETCH) {
1533	my $map = find $path	2143	if (my $map = find $k) {
1534	or next;
1535	$map->load;	2144	$map->load if $v;
		2145	}
1536		2146
1537	delete $MAP_PREFETCH{$path};	2147	delete $MAP_PREFETCH{$k};
1538	}	2148	}
1539	}	2149	}
1540	undef $MAP_PREFETCHER;	2150	undef $MAP_PREFETCHER;
1541	};	2151	};
1542	$MAP_PREFETCHER->prio (6);	2152	$MAP_PREFETCHER->prio (6);
…		…
1545	}	2155	}
1546		2156
1547	sub save {	2157	sub save {
1548	my ($self) = @_;	2158	my ($self) = @_;
1549		2159
1550	my $lock = cf::lock_acquire "map_data:" . $self->path;	2160	my $lock = cf::lock_acquire "map_data:$self->{path}";
1551		2161
1552	$self->{last_save} = $cf::RUNTIME;	2162	$self->{last_save} = $cf::RUNTIME;
1553		2163
1554	return unless $self->dirty;	2164	return unless $self->dirty;
1555		2165
…		…
1561	return if $self->{deny_save};	2171	return if $self->{deny_save};
1562		2172
1563	local $self->{last_access} = $self->last_access;#d#	2173	local $self->{last_access} = $self->last_access;#d#
1564		2174
1565	cf::async {	2175	cf::async {
		2176	$Coro::current->{desc} = "map player save";
1566	$_->contr->save for $self->players;	2177	$_->contr->save for $self->players;
1567	};	2178	};
1568		2179
1569	if ($uniq) {	2180	if ($uniq) {
1570	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1578	my ($self) = @_;	2189	my ($self) = @_;
1579		2190
1580	# save first because save cedes	2191	# save first because save cedes
1581	$self->save;	2192	$self->save;
1582		2193
1583	my $lock = cf::lock_acquire "map_data:" . $self->path;	2194	my $lock = cf::lock_acquire "map_data:$self->{path}";
1584		2195
1585	return if $self->players;	2196	return if $self->players;
1586	return if $self->in_memory != cf::MAP_IN_MEMORY;	2197	return if $self->in_memory != cf::MAP_IN_MEMORY;
1587	return if $self->{deny_save};	2198	return if $self->{deny_save};
1588		2199
		2200	$self->in_memory (cf::MAP_SWAPPED);
		2201
		2202	$self->deactivate;
		2203	$_->clear_links_to ($self) for values %cf::MAP;
1589	$self->clear;	2204	$self->clear;
1590	$self->in_memory (cf::MAP_SWAPPED);
1591	}	2205	}
1592		2206
1593	sub reset_at {	2207	sub reset_at {
1594	my ($self) = @_;	2208	my ($self) = @_;
1595		2209
1596	# TODO: safety, remove and allow resettable per-player maps	2210	# TODO: safety, remove and allow resettable per-player maps
1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1598	return 1e99 if $self->{deny_reset};	2211	return 1e99 if $self->{deny_reset};
1599		2212
1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2213	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2214	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1602		2215
…		…
1613	my ($self) = @_;	2226	my ($self) = @_;
1614		2227
1615	my $lock = cf::lock_acquire "map_data:$self->{path}";	2228	my $lock = cf::lock_acquire "map_data:$self->{path}";
1616		2229
1617	return if $self->players;	2230	return if $self->players;
1618	return if $self->isa ("ext::map_per_player");#d#
1619		2231
1620	warn "resetting map ", $self->path;#d#	2232	warn "resetting map ", $self->path;
1621		2233
1622	$self->in_memory (cf::MAP_SWAPPED);	2234	$self->in_memory (cf::MAP_SWAPPED);
1623		2235
1624	# need to save uniques path	2236	# need to save uniques path
1625	unless ($self->{deny_save}) {	2237	unless ($self->{deny_save}) {
…		…
1629	if $uniq;	2241	if $uniq;
1630	}	2242	}
1631		2243
1632	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1633		2245
		2246	$self->deactivate;
		2247	$_->clear_links_to ($self) for values %cf::MAP;
1634	$self->clear;	2248	$self->clear;
1635
1636	$_->clear_links_to ($self) for values %cf::MAP;
1637		2249
1638	$self->unlink_save;	2250	$self->unlink_save;
1639	$self->destroy;	2251	$self->destroy;
1640	}	2252	}
1641		2253
1642	my $nuke_counter = "aaaa";	2254	my $nuke_counter = "aaaa";
1643		2255
1644	sub nuke {	2256	sub nuke {
1645	my ($self) = @_;	2257	my ($self) = @_;
1646		2258
		2259	{
		2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2261
1647	delete $cf::MAP{$self->path};	2262	delete $cf::MAP{$self->path};
1648		2263
1649	$self->unlink_save;	2264	$self->unlink_save;
1650		2265
1651	bless $self, "cf::map";	2266	bless $self, "cf::map";
1652	delete $self->{deny_reset};	2267	delete $self->{deny_reset};
1653	$self->{deny_save} = 1;	2268	$self->{deny_save} = 1;
1654	$self->reset_timeout (1);	2269	$self->reset_timeout (1);
1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2270	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1656		2271
1657	$cf::MAP{$self->path} = $self;	2272	$cf::MAP{$self->path} = $self;
		2273	}
1658		2274
1659	$self->reset; # polite request, might not happen	2275	$self->reset; # polite request, might not happen
		2276	}
		2277
		2278	=item $maps = cf::map::tmp_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	maps. May block.
		2282
		2283	=cut
		2284
		2285	sub tmp_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise $_
		2291	: ()
		2292	} @{ aio_readdir $TMPDIR or [] }
		2293	]
		2294	}
		2295
		2296	=item $maps = cf::map::random_maps
		2297
		2298	Returns an arrayref with all map paths of currently instantiated and saved
		2299	random maps. May block.
		2300
		2301	=cut
		2302
		2303	sub random_maps() {
		2304	[
		2305	map {
		2306	utf8::decode $_;
		2307	/\.map$/
		2308	? normalise "?random/$_"
		2309	: ()
		2310	} @{ aio_readdir $RANDOMDIR or [] }
		2311	]
1660	}	2312	}
1661		2313
1662	=item cf::map::unique_maps	2314	=item cf::map::unique_maps
1663		2315
1664	Returns an arrayref of paths of all shared maps that have	2316	Returns an arrayref of paths of all shared maps that have
1665	instantiated unique items. May block.	2317	instantiated unique items. May block.
1666		2318
1667	=cut	2319	=cut
1668		2320
1669	sub unique_maps() {	2321	sub unique_maps() {
1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2322	[
1671	or return;	2323	map {
1672
1673	my @paths;
1674
1675	for (@$files) {
1676	utf8::decode $_;	2324	utf8::decode $_;
1677	next if /\.pst$/;	2325	/\.map$/
1678	next unless /^$PATH_SEP/o;	2326	? normalise $_
1679		2327	: ()
1680	push @paths, cf::map::normalise $_;	2328	} @{ aio_readdir $UNIQUEDIR or [] }
1681	}	2329	]
1682
1683	\@paths
1684	}	2330	}
1685		2331
1686	package cf;	2332	package cf;
1687		2333
1688	=back	2334	=back
…		…
1706	map { $_, inv_recursive_ $_->inv } @_	2352	map { $_, inv_recursive_ $_->inv } @_
1707	}	2353	}
1708		2354
1709	sub inv_recursive {	2355	sub inv_recursive {
1710	inv_recursive_ inv $_[0]	2356	inv_recursive_ inv $_[0]
		2357	}
		2358
		2359	=item $ref = $ob->ref
		2360
		2361	creates and returns a persistent reference to an objetc that can be stored as a string.
		2362
		2363	=item $ob = cf::object::deref ($refstring)
		2364
		2365	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2366	even if the object actually exists. May block.
		2367
		2368	=cut
		2369
		2370	sub deref {
		2371	my ($ref) = @_;
		2372
		2373	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2374	my ($uuid, $name) = ($1, $2);
		2375	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2376	or return;
		2377	$pl->ob->uuid eq $uuid
		2378	or return;
		2379
		2380	$pl->ob
		2381	} else {
		2382	warn "$ref: cannot resolve object reference\n";
		2383	undef
		2384	}
1711	}	2385	}
1712		2386
1713	package cf;	2387	package cf;
1714		2388
1715	=back	2389	=back
…		…
1734		2408
1735	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1736		2410
1737	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1738	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1739	} else {	2414	} else {
		2415	my $pl = $self->contr;
		2416
		2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2418	my $dialog = $pl->{npc_dialog};
		2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2420
		2421	} else {
1740	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1741	$self->message ($msg, $flags);	2423	$self->message ($msg, $flags);
		2424	}
1742	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
1743	}	2436	}
1744		2437
1745	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1746		2439
1747	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1794	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1795		2488
1796	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1797		2490
1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1799	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1800		2493
1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1802	}	2495	}
1803		2496
1804	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1805	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1806		2501
1807	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1808		2503
1809	unless ($map) {	2504	unless ($map) {
1810	# restore original map position	2505	# restore original map position
…		…
1824	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1825	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1826	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1827		2522
1828	$map->load;	2523	$map->load;
1829	$map->load_diag;	2524	$map->load_neighbours;
1830		2525
1831	return unless $self->contr->active;	2526	return unless $self->contr->active;
1832	$self->activate_recursive;	2527	$self->activate_recursive;
1833		2528
1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2529	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1835	$self->enter_map ($map, $x, $y);	2530	$self->enter_map ($map, $x, $y);
1836	}	2531	}
1837		2532
1838	cf::player->attach (	2533	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1839	on_logout => sub {
1840	my ($pl) = @_;
1841		2534
1842	# abort map switching before logout	2535	Moves the player to the given map-path and coordinates by first freezing
1843	if ($pl->ob->{_link_pos}) {	2536	her, loading and preparing them map, calling the provided $check callback
1844	cf::sync_job {	2537	that has to return the map if sucecssful, and then unfreezes the player on
1845	$pl->ob->leave_link	2538	the new (success) or old (failed) map position. In either case, $done will
1846	};	2539	be called at the end of this process.
1847	}
1848	},
1849	on_login => sub {
1850	my ($pl) = @_;
1851		2540
1852	# try to abort aborted map switching on player login :)
1853	# should happen only on crashes
1854	if ($pl->ob->{_link_pos}) {
1855	$pl->ob->enter_link;
1856	(async {
1857	$pl->ob->reply (undef,
1858	"There was an internal problem at your last logout, "
1859	. "the server will try to bring you to your intended destination in a second.",
1860	cf::NDI_RED);
1861	# we need this sleep as the login has a concurrent enter_exit running
1862	# and this sleep increases chances of the player not ending up in scorn
1863	Coro::Timer::sleep 1;
1864	$pl->ob->leave_link;
1865	})->prio (2);
1866	}
1867	},
1868	);
1869
1870	=item $player_object->goto ($path, $x, $y)
1871
1872	=cut	2541	=cut
		2542
		2543	our $GOTOGEN;
1873		2544
1874	sub cf::object::player::goto {	2545	sub cf::object::player::goto {
1875	my ($self, $path, $x, $y) = @_;	2546	my ($self, $path, $x, $y, $check, $done) = @_;
		2547
		2548	# do generation counting so two concurrent goto's will be executed in-order
		2549	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1876		2550
1877	$self->enter_link;	2551	$self->enter_link;
1878		2552
1879	(async {	2553	(async {
		2554	$Coro::current->{desc} = "player::goto $path $x $y";
		2555
		2556	# *tag paths override both path and x|y
		2557	if ($path =~ /^\*(.*)$/) {
		2558	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2559	my $ob = $obs[rand @obs];
		2560
		2561	# see if we actually can go there
		2562	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2563	$ob = $obs[rand @obs];
		2564	} else {
		2565	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2566	}
		2567	# else put us there anyways for now #d#
		2568
		2569	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2570	} else {
		2571	($path, $x, $y) = (undef, undef, undef);
		2572	}
		2573	}
		2574
1880	my $map = eval {	2575	my $map = eval {
1881	my $map = cf::map::find $path;	2576	my $map = defined $path ? cf::map::find $path : undef;
		2577
		2578	if ($map) {
1882	$map = $map->customise_for ($self) if $map;	2579	$map = $map->customise_for ($self);
		2580	$map = $check->($map) if $check && $map;
		2581	} else {
		2582	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584
1883	$map	2585	$map
		2586	};
		2587
		2588	if ($@) {
		2589	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	LOG llevError | logBacktrace, Carp::longmess $@;
1884	} or	2591	}
1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1886		2592
		2593	if ($gen == $self->{_goto_generation}) {
		2594	delete $self->{_goto_generation};
1887	$self->leave_link ($map, $x, $y);	2595	$self->leave_link ($map, $x, $y);
		2596	}
		2597
		2598	$done->() if $done;
1888	})->prio (1);	2599	})->prio (1);
1889	}	2600	}
1890		2601
1891	=item $player_object->enter_exit ($exit_object)	2602	=item $player_object->enter_exit ($exit_object)
1892		2603
…		…
1929	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
1930	}	2641	}
1931		2642
1932	$rmp->{random_seed} ||= $exit->random_seed;	2643	$rmp->{random_seed} ||= $exit->random_seed;
1933		2644
1934	my $data = cf::to_json $rmp;	2645	my $data = cf::encode_json $rmp;
1935	my $md5 = Digest::MD5::md5_hex $data;	2646	my $md5 = Digest::MD5::md5_hex $data;
1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2647	my $meta = "$RANDOMDIR/$md5.meta";
1937		2648
1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1939	aio_write $fh, 0, (length $data), $data, 0;	2650	aio_write $fh, 0, (length $data), $data, 0;
1940	undef $fh;	2651	undef $fh;
1941	aio_rename "$meta~", $meta;	2652	aio_rename "$meta~", $meta;
…		…
1950		2661
1951	return unless $self->type == cf::PLAYER;	2662	return unless $self->type == cf::PLAYER;
1952		2663
1953	if ($exit->slaying eq "/!") {	2664	if ($exit->slaying eq "/!") {
1954	#TODO: this should de-fi-ni-te-ly not be a sync-job	2665	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2666	# the problem is that $exit might not survive long enough
		2667	# so it needs to be done right now, right here
1955	cf::sync_job { prepare_random_map $exit };	2668	cf::sync_job { prepare_random_map $exit };
1956	}	2669	}
1957		2670
1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2671	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1959	my $hp = $exit->stats->hp;	2672	my $hp = $exit->stats->hp;
1960	my $sp = $exit->stats->sp;	2673	my $sp = $exit->stats->sp;
1961		2674
1962	$self->enter_link;	2675	$self->enter_link;
1963		2676
		2677	# if exit is damned, update players death & WoR home-position
		2678	$self->contr->savebed ($slaying, $hp, $sp)
		2679	if $exit->flag (FLAG_DAMNED);
		2680
1964	(async {	2681	(async {
		2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2683
1965	$self->deactivate_recursive; # just to be sure	2684	$self->deactivate_recursive; # just to be sure
1966	unless (eval {	2685	unless (eval {
1967	$self->goto ($slaying, $hp, $sp);	2686	$self->goto ($slaying, $hp, $sp);
1968		2687
1969	1;	2688	1;
1970	}) {	2689	}) {
1971	$self->message ("Something went wrong deep within the crossfire server. "	2690	$self->message ("Something went wrong deep within the crossfire server. "
1972	. "I'll try to bring you back to the map you were before. "	2691	. "I'll try to bring you back to the map you were before. "
1973	. "Please report this to the dungeon master!",	2692	. "Please report this to the dungeon master!",
1974	cf::NDI_UNIQUE | cf::NDI_RED);	2693	cf::NDI_UNIQUE | cf::NDI_RED);
1975		2694
1976	warn "ERROR in enter_exit: $@";	2695	warn "ERROR in enter_exit: $@";
1977	$self->leave_link;	2696	$self->leave_link;
1978	}	2697	}
1979	})->prio (1);	2698	})->prio (1);
…		…
1992		2711
1993	sub cf::client::send_drawinfo {	2712	sub cf::client::send_drawinfo {
1994	my ($self, $text, $flags) = @_;	2713	my ($self, $text, $flags) = @_;
1995		2714
1996	utf8::encode $text;	2715	utf8::encode $text;
1997	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2716	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1998	}	2717	}
1999		2718
		2719	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2720
		2721	Send a drawinfo or msg packet to the client, formatting the msg for the
		2722	client if neccessary. C<$type> should be a string identifying the type of
		2723	the message, with C<log> being the default. If C<$color> is negative, suppress
		2724	the message unless the client supports the msg packet.
		2725
		2726	=cut
		2727
		2728	# non-persistent channels (usually the info channel)
		2729	our %CHANNEL = (
		2730	"c/identify" => {
		2731	id => "infobox",
		2732	title => "Identify",
		2733	reply => undef,
		2734	tooltip => "Items recently identified",
		2735	},
		2736	"c/examine" => {
		2737	id => "infobox",
		2738	title => "Examine",
		2739	reply => undef,
		2740	tooltip => "Signs and other items you examined",
		2741	},
		2742	"c/book" => {
		2743	id => "infobox",
		2744	title => "Book",
		2745	reply => undef,
		2746	tooltip => "The contents of a note or book",
		2747	},
		2748	"c/lookat" => {
		2749	id => "infobox",
		2750	title => "Look",
		2751	reply => undef,
		2752	tooltip => "What you saw there",
		2753	},
		2754	"c/who" => {
		2755	id => "infobox",
		2756	title => "Players",
		2757	reply => undef,
		2758	tooltip => "Shows players who are currently online",
		2759	},
		2760	"c/body" => {
		2761	id => "infobox",
		2762	title => "Body Parts",
		2763	reply => undef,
		2764	tooltip => "Shows which body parts you posess and are available",
		2765	},
		2766	"c/uptime" => {
		2767	id => "infobox",
		2768	title => "Uptime",
		2769	reply => undef,
		2770	tooltip => "How long the server has been running since last restart",
		2771	},
		2772	"c/mapinfo" => {
		2773	id => "infobox",
		2774	title => "Map Info",
		2775	reply => undef,
		2776	tooltip => "Information related to the maps",
		2777	},
		2778	);
		2779
		2780	sub cf::client::send_msg {
		2781	my ($self, $channel, $msg, $color, @extra) = @_;
		2782
		2783	$msg = $self->pl->expand_cfpod ($msg);
		2784
		2785	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2786
		2787	# check predefined channels, for the benefit of C
		2788	if ($CHANNEL{$channel}) {
		2789	$channel = $CHANNEL{$channel};
		2790
		2791	$self->ext_msg (channel_info => $channel)
		2792	if $self->can_msg;
		2793
		2794	$channel = $channel->{id};
		2795
		2796	} elsif (ref $channel) {
		2797	# send meta info to client, if not yet sent
		2798	unless (exists $self->{channel}{$channel->{id}}) {
		2799	$self->{channel}{$channel->{id}} = $channel;
		2800	$self->ext_msg (channel_info => $channel)
		2801	if $self->can_msg;
		2802	}
		2803
		2804	$channel = $channel->{id};
		2805	}
		2806
		2807	return unless @extra || length $msg;
		2808
		2809	if ($self->can_msg) {
		2810	# default colour, mask it out
		2811	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2812	if $color & cf::NDI_DEF;
		2813
		2814	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2815	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2816	} else {
		2817	if ($color >= 0) {
		2818	# replace some tags by gcfclient-compatible ones
		2819	for ($msg) {
		2820	1 while
		2821	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2822	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2823	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2824	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2825	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2826	}
		2827
		2828	$color &= cf::NDI_COLOR_MASK;
		2829
		2830	utf8::encode $msg;
		2831
		2832	if (0 && $msg =~ /\[/) {
		2833	# COMMAND/INFO
		2834	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2835	} else {
		2836	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2837	$self->send_packet ("drawinfo $color $msg")
		2838	}
		2839	}
		2840	}
		2841	}
		2842
		2843	=item $client->ext_msg ($type, @msg)
		2844
		2845	Sends an ext event to the client.
		2846
		2847	=cut
		2848
		2849	sub cf::client::ext_msg($$@) {
		2850	my ($self, $type, @msg) = @_;
		2851
		2852	if ($self->extcmd == 2) {
		2853	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2854	} elsif ($self->extcmd == 1) { # TODO: remove
		2855	push @msg, msgtype => "event_$type";
		2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2857	}
		2858	}
		2859
		2860	=item $client->ext_reply ($msgid, @msg)
		2861
		2862	Sends an ext reply to the client.
		2863
		2864	=cut
		2865
		2866	sub cf::client::ext_reply($$@) {
		2867	my ($self, $id, @msg) = @_;
		2868
		2869	if ($self->extcmd == 2) {
		2870	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2871	} elsif ($self->extcmd == 1) {
		2872	#TODO: version 1, remove
		2873	unshift @msg, msgtype => "reply", msgid => $id;
		2874	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2875	}
		2876	}
2000		2877
2001	=item $success = $client->query ($flags, "text", \&cb)	2878	=item $success = $client->query ($flags, "text", \&cb)
2002		2879
2003	Queues a query to the client, calling the given callback with	2880	Queues a query to the client, calling the given callback with
2004	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2881	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2005	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2882	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2006		2883
2007	Queries can fail, so check the return code. Or don't, as queries will become	2884	Queries can fail, so check the return code. Or don't, as queries will
2008	reliable at some point in the future.	2885	become reliable at some point in the future.
2009		2886
2010	=cut	2887	=cut
2011		2888
2012	sub cf::client::query {	2889	sub cf::client::query {
2013	my ($self, $flags, $text, $cb) = @_;	2890	my ($self, $flags, $text, $cb) = @_;
…		…
2021	utf8::encode $text;	2898	utf8::encode $text;
2022	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2899	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2023		2900
2024	$self->send_packet ($self->{query_queue}[0][0])	2901	$self->send_packet ($self->{query_queue}[0][0])
2025	if @{ $self->{query_queue} } == 1;	2902	if @{ $self->{query_queue} } == 1;
		2903
		2904	1
2026	}	2905	}
2027		2906
2028	cf::client->attach (	2907	cf::client->attach (
		2908	on_connect => sub {
		2909	my ($ns) = @_;
		2910
		2911	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2912	},
2029	on_reply => sub {	2913	on_reply => sub {
2030	my ($ns, $msg) = @_;	2914	my ($ns, $msg) = @_;
2031		2915
2032	# this weird shuffling is so that direct followup queries	2916	# this weird shuffling is so that direct followup queries
2033	# get handled first	2917	# get handled first
…		…
2045	} else {	2929	} else {
2046	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2930	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2047	}	2931	}
2048	}	2932	}
2049	},	2933	},
		2934	on_exticmd => sub {
		2935	my ($ns, $buf) = @_;
		2936
		2937	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2938
		2939	if (ref $msg) {
		2940	my ($type, $reply, @payload) =
		2941	"ARRAY" eq ref $msg
		2942	? @$msg
		2943	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2944
		2945	my @reply;
		2946
		2947	if (my $cb = $EXTICMD{$type}) {
		2948	@reply = $cb->($ns, @payload);
		2949	}
		2950
		2951	$ns->ext_reply ($reply, @reply)
		2952	if $reply;
		2953
		2954	} else {
		2955	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2956	}
		2957
		2958	cf::override;
		2959	},
2050	);	2960	);
2051		2961
2052	=item $client->async (\&cb)	2962	=item $client->async (\&cb)
2053		2963
2054	Create a new coroutine, running the specified callback. The coroutine will	2964	Create a new coroutine, running the specified callback. The coroutine will
…		…
2095	our $safe = new Safe "safe";	3005	our $safe = new Safe "safe";
2096	our $safe_hole = new Safe::Hole;	3006	our $safe_hole = new Safe::Hole;
2097		3007
2098	$SIG{FPE} = 'IGNORE';	3008	$SIG{FPE} = 'IGNORE';
2099		3009
2100	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3010	$safe->permit_only (Opcode::opset qw(
		3011	:base_core :base_mem :base_orig :base_math
		3012	grepstart grepwhile mapstart mapwhile
		3013	sort time
		3014	));
2101		3015
2102	# here we export the classes and methods available to script code	3016	# here we export the classes and methods available to script code
2103		3017
2104	=pod	3018	=pod
2105		3019
2106	The following fucntions and emthods are available within a safe environment:	3020	The following functions and methods are available within a safe environment:
2107		3021
2108	cf::object contr pay_amount pay_player map	3022	cf::object
		3023	contr pay_amount pay_player map x y force_find force_add destroy
		3024	insert remove name archname title slaying race decrease_ob_nr
		3025
2109	cf::object::player player	3026	cf::object::player
2110	cf::player peaceful	3027	player
2111	cf::map trigger	3028
		3029	cf::player
		3030	peaceful
		3031
		3032	cf::map
		3033	trigger
2112		3034
2113	=cut	3035	=cut
2114		3036
2115	for (	3037	for (
2116	["cf::object" => qw(contr pay_amount pay_player map)],	3038	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3039	insert remove inv name archname title slaying race
		3040	decrease_ob_nr destroy)],
2117	["cf::object::player" => qw(player)],	3041	["cf::object::player" => qw(player)],
2118	["cf::player" => qw(peaceful)],	3042	["cf::player" => qw(peaceful)],
2119	["cf::map" => qw(trigger)],	3043	["cf::map" => qw(trigger)],
2120	) {	3044	) {
2121	no strict 'refs';	3045	no strict 'refs';
…		…
2192	=back	3116	=back
2193		3117
2194	=cut	3118	=cut
2195		3119
2196	#############################################################################	3120	#############################################################################
2197
2198	=head2 EXTENSION DATABASE SUPPORT
2199
2200	Crossfire maintains a very simple database for extension use. It can
2201	currently store anything that can be serialised using Storable, which
2202	excludes objects.
2203
2204	The parameter C<$family> should best start with the name of the extension
2205	using it, it should be unique.
2206
2207	=over 4
2208
2209	=item $value = cf::db_get $family => $key
2210
2211	Returns a single value from the database.
2212
2213	=item cf::db_put $family => $key => $value
2214
2215	Stores the given C<$value> in the family.
2216
2217	=cut
2218
2219	our $DB;
2220
2221	sub db_init {
2222	unless ($DB) {
2223	$DB = BDB::db_create $DB_ENV;
2224
2225	cf::sync_job {
2226	eval {
2227	$DB->set_flags (BDB::CHKSUM);
2228
2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2231	cf::cleanup "db_open(db): $!" if $!;
2232	};
2233	cf::cleanup "db_open(db): $@" if $@;
2234	};
2235
2236	my $path = cf::localdir . "/database.pst";
2237	if (stat $path) {
2238	cf::sync_job {
2239	my $pst = Storable::retrieve $path;
2240
2241	cf::db_put (board => data => $pst->{board});
2242	cf::db_put (guildrules => data => $pst->{guildrules});
2243	cf::db_put (rent => balance => $pst->{rent}{balance});
2244	BDB::db_env_txn_checkpoint $DB_ENV;
2245
2246	unlink $path;
2247	};
2248	}
2249	}
2250	}
2251
2252	sub db_get($$) {
2253	my $key = "$_[0]/$_[1]";
2254
2255	cf::sync_job {
2256	BDB::db_get $DB, undef, $key, my $data;
2257
2258	$! ? ()
2259	: Compress::LZF::sthaw $data
2260	}
2261	}
2262
2263	sub db_put($$$) {
2264	BDB::dbreq_pri 4;
2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2266	}
2267
2268	#############################################################################
2269	# the server's init and main functions	3121	# the server's init and main functions
2270		3122
2271	sub init_resources {	3123	sub load_facedata($) {
2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3124	my ($path) = @_;
		3125
		3126	# HACK to clear player env face cache, we need some signal framework
		3127	# for this (global event?)
		3128	%ext::player_env::MUSIC_FACE_CACHE = ();
		3129
		3130	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3131
		3132	warn "loading facedata from $path\n";
		3133
		3134	my $facedata;
		3135	0 < aio_load $path, $facedata
		3136	or die "$path: $!";
		3137
		3138	$facedata = Coro::Storable::thaw $facedata;
		3139
		3140	$facedata->{version} == 2
		3141	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3142
		3143	# patch in the exptable
		3144	$facedata->{resource}{"res/exp_table"} = {
		3145	type => FT_RSRC,
		3146	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3147	};
		3148	cf::cede_to_tick;
		3149
		3150	{
		3151	my $faces = $facedata->{faceinfo};
		3152
		3153	while (my ($face, $info) = each %$faces) {
		3154	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3155
		3156	cf::face::set_visibility $idx, $info->{visibility};
		3157	cf::face::set_magicmap $idx, $info->{magicmap};
		3158	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3159	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3160
		3161	cf::cede_to_tick;
		3162	}
		3163
		3164	while (my ($face, $info) = each %$faces) {
		3165	next unless $info->{smooth};
		3166
		3167	my $idx = cf::face::find $face
		3168	or next;
		3169
		3170	if (my $smooth = cf::face::find $info->{smooth}) {
		3171	cf::face::set_smooth $idx, $smooth;
		3172	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3173	} else {
		3174	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3175	}
		3176
		3177	cf::cede_to_tick;
		3178	}
		3179	}
		3180
		3181	{
		3182	my $anims = $facedata->{animinfo};
		3183
		3184	while (my ($anim, $info) = each %$anims) {
		3185	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3186	cf::cede_to_tick;
		3187	}
		3188
		3189	cf::anim::invalidate_all; # d'oh
		3190	}
		3191
		3192	{
		3193	# TODO: for gcfclient pleasure, we should give resources
		3194	# that gcfclient doesn't grok a >10000 face index.
		3195	my $res = $facedata->{resource};
		3196
		3197	while (my ($name, $info) = each %$res) {
		3198	if (defined $info->{type}) {
		3199	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3200	my $data;
		3201
		3202	if ($info->{type} & 1) {
		3203	# prepend meta info
		3204
		3205	my $meta = $enc->encode ({
		3206	name => $name,
		3207	%{ $info->{meta} || {} },
		3208	});
		3209
		3210	$data = pack "(w/a*)*", $meta, $info->{data};
		3211	} else {
		3212	$data = $info->{data};
		3213	}
		3214
		3215	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3216	cf::face::set_type $idx, $info->{type};
		3217	} else {
		3218	$RESOURCE{$name} = $info;
		3219	}
		3220
		3221	cf::cede_to_tick;
		3222	}
		3223	}
		3224
		3225	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3226
		3227	1
		3228	}
		3229
		3230	cf::global->attach (on_resource_update => sub {
		3231	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3232	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3233
		3234	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3235	my $sound = $soundconf->{compat}[$_]
		3236	or next;
		3237
		3238	my $face = cf::face::find "sound/$sound->[1]";
		3239	cf::sound::set $sound->[0] => $face;
		3240	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3241	}
		3242
		3243	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3244	my $face = cf::face::find "sound/$v";
		3245	cf::sound::set $k => $face;
		3246	}
		3247	}
		3248	});
		3249
		3250	register_exticmd fx_want => sub {
		3251	my ($ns, $want) = @_;
		3252
		3253	while (my ($k, $v) = each %$want) {
		3254	$ns->fx_want ($k, $v);
		3255	}
		3256	};
		3257
		3258	sub reload_regions {
		3259	# HACK to clear player env face cache, we need some signal framework
		3260	# for this (global event?)
		3261	%ext::player_env::MUSIC_FACE_CACHE = ();
		3262
		3263	load_resource_file "$MAPDIR/regions"
2273	or die "unable to load regions file\n";#d#	3264	or die "unable to load regions file\n";
2274	}
2275		3265
2276	sub cfg_load {	3266	for (cf::region::list) {
		3267	$_->{match} = qr/$_->{match}/
		3268	if exists $_->{match};
		3269	}
		3270	}
		3271
		3272	sub reload_facedata {
		3273	load_facedata "$DATADIR/facedata"
		3274	or die "unable to load facedata\n";
		3275	}
		3276
		3277	sub reload_archetypes {
		3278	load_resource_file "$DATADIR/archetypes"
		3279	or die "unable to load archetypes\n";
		3280	#d# NEED to laod twice to resolve forward references
		3281	# this really needs to be done in an extra post-pass
		3282	# (which needs to be synchronous, so solve it differently)
		3283	load_resource_file "$DATADIR/archetypes"
		3284	or die "unable to load archetypes\n";
		3285	}
		3286
		3287	sub reload_treasures {
		3288	load_resource_file "$DATADIR/treasures"
		3289	or die "unable to load treasurelists\n";
		3290	}
		3291
		3292	sub reload_resources {
		3293	warn "reloading resource files...\n";
		3294
		3295	reload_regions;
		3296	reload_facedata;
		3297	#reload_archetypes;#d#
		3298	reload_archetypes;
		3299	reload_treasures;
		3300
		3301	warn "finished reloading resource files\n";
		3302	}
		3303
		3304	sub init {
		3305	reload_resources;
		3306	}
		3307
		3308	sub reload_config {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3309	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	3310	or return;
2279		3311
2280	local $/;	3312	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	3313	*CFG = YAML::Syck::Load <$fh>;
2282		3314
…		…
2292	};	3324	};
2293	warn $@ if $@;	3325	warn $@ if $@;
2294	}	3326	}
2295	}	3327	}
2296		3328
2297	sub init {
2298	init_resources;
2299	}
2300
2301	sub main {	3329	sub main {
2302	# we must not ever block the main coroutine	3330	# we must not ever block the main coroutine
2303	local $Coro::idle = sub {	3331	local $Coro::idle = sub {
2304	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2305	(async {	3333	(async {
2306	Event::one_event;	3334	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3335	EV::loop EV::LOOP_ONESHOT;
2307	})->prio (Coro::PRIO_MAX);	3336	})->prio (Coro::PRIO_MAX);
2308	};	3337	};
2309		3338
2310	cfg_load;	3339	reload_config;
2311	db_init;	3340	db_init;
2312	load_extensions;	3341	load_extensions;
2313		3342
2314	$TICK_WATCHER->start;	3343	$TICK_WATCHER->start;
		3344	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2315	Event::loop;	3345	EV::loop;
2316	}	3346	}
2317		3347
2318	#############################################################################	3348	#############################################################################
2319	# initialisation and cleanup	3349	# initialisation and cleanup
2320		3350
2321	# install some emergency cleanup handlers	3351	# install some emergency cleanup handlers
2322	BEGIN {	3352	BEGIN {
		3353	our %SIGWATCHER = ();
2323	for my $signal (qw(INT HUP TERM)) {	3354	for my $signal (qw(INT HUP TERM)) {
2324	Event->signal (	3355	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2325	reentrant => 0,
2326	data => WF_AUTOCANCEL,
2327	signal => $signal,
2328	prio => 0,
2329	cb => sub {
2330	cf::cleanup "SIG$signal";	3356	cf::cleanup "SIG$signal";
2331	},
2332	);	3357	};
		3358	}
		3359	}
		3360
		3361	sub write_runtime {
		3362	my $runtime = "$LOCALDIR/runtime";
		3363
		3364	# first touch the runtime file to show we are still running:
		3365	# the fsync below can take a very very long time.
		3366
		3367	IO::AIO::aio_utime $runtime, undef, undef;
		3368
		3369	my $guard = cf::lock_acquire "write_runtime";
		3370
		3371	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3372	or return;
		3373
		3374	my $value = $cf::RUNTIME + 90 + 10;
		3375	# 10 is the runtime save interval, for a monotonic clock
		3376	# 60 allows for the watchdog to kill the server.
		3377
		3378	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3379	and return;
		3380
		3381	# always fsync - this file is important
		3382	aio_fsync $fh
		3383	and return;
		3384
		3385	# touch it again to show we are up-to-date
		3386	aio_utime $fh, undef, undef;
		3387
		3388	close $fh
		3389	or return;
		3390
		3391	aio_rename "$runtime~", $runtime
		3392	and return;
		3393
		3394	warn "runtime file written.\n";
		3395
2333	}	3396	1
2334	}	3397	}
2335		3398
2336	sub emergency_save() {	3399	sub emergency_save() {
2337	my $freeze_guard = cf::freeze_mainloop;	3400	my $freeze_guard = cf::freeze_mainloop;
2338		3401
…		…
2344	# and maps saved/destroyed asynchronously.	3407	# and maps saved/destroyed asynchronously.
2345	warn "begin emergency player save\n";	3408	warn "begin emergency player save\n";
2346	for my $login (keys %cf::PLAYER) {	3409	for my $login (keys %cf::PLAYER) {
2347	my $pl = $cf::PLAYER{$login} or next;	3410	my $pl = $cf::PLAYER{$login} or next;
2348	$pl->valid or next;	3411	$pl->valid or next;
		3412	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2349	$pl->save;	3413	$pl->save;
2350	}	3414	}
2351	warn "end emergency player save\n";	3415	warn "end emergency player save\n";
2352		3416
2353	warn "begin emergency map save\n";	3417	warn "begin emergency map save\n";
…		…
2371		3435
2372	warn Carp::longmess "post_cleanup backtrace"	3436	warn Carp::longmess "post_cleanup backtrace"
2373	if $make_core;	3437	if $make_core;
2374	}	3438	}
2375		3439
2376	sub reload() {	3440	sub do_reload_perl() {
2377	# can/must only be called in main	3441	# can/must only be called in main
2378	if ($Coro::current != $Coro::main) {	3442	if ($Coro::current != $Coro::main) {
2379	warn "can only reload from main coroutine";	3443	warn "can only reload from main coroutine";
2380	return;	3444	return;
2381	}	3445	}
…		…
2392	warn "syncing database to disk";	3456	warn "syncing database to disk";
2393	BDB::db_env_txn_checkpoint $DB_ENV;	3457	BDB::db_env_txn_checkpoint $DB_ENV;
2394		3458
2395	# if anything goes wrong in here, we should simply crash as we already saved	3459	# if anything goes wrong in here, we should simply crash as we already saved
2396		3460
2397	warn "cancelling all WF_AUTOCANCEL watchers";
2398	for (Event::all_watchers) {
2399	$_->cancel if $_->data & WF_AUTOCANCEL;
2400	}
2401
2402	warn "flushing outstanding aio requests";	3461	warn "flushing outstanding aio requests";
2403	for (;;) {	3462	for (;;) {
2404	BDB::flush;	3463	BDB::flush;
2405	IO::AIO::flush;	3464	IO::AIO::flush;
2406	Coro::cede;	3465	Coro::cede_notself;
2407	last unless IO::AIO::nreqs || BDB::nreqs;	3466	last unless IO::AIO::nreqs || BDB::nreqs;
2408	warn "iterate...";	3467	warn "iterate...";
2409	}	3468	}
		3469
		3470	++$RELOAD;
2410		3471
2411	warn "cancelling all extension coros";	3472	warn "cancelling all extension coros";
2412	$_->cancel for values %EXT_CORO;	3473	$_->cancel for values %EXT_CORO;
2413	%EXT_CORO = ();	3474	%EXT_CORO = ();
2414		3475
2415	warn "removing commands";	3476	warn "removing commands";
2416	%COMMAND = ();	3477	%COMMAND = ();
2417		3478
2418	warn "removing ext commands";	3479	warn "removing ext/exti commands";
2419	%EXTCMD = ();	3480	%EXTCMD = ();
		3481	%EXTICMD = ();
2420		3482
2421	warn "unloading/nuking all extensions";	3483	warn "unloading/nuking all extensions";
2422	for my $pkg (@EXTS) {	3484	for my $pkg (@EXTS) {
2423	warn "... unloading $pkg";	3485	warn "... unloading $pkg";
2424		3486
…		…
2454	Symbol::delete_package "safe::$_"	3516	Symbol::delete_package "safe::$_"
2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3517	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2456		3518
2457	warn "unloading cf.pm \"a bit\"";	3519	warn "unloading cf.pm \"a bit\"";
2458	delete $INC{"cf.pm"};	3520	delete $INC{"cf.pm"};
		3521	delete $INC{"cf/pod.pm"};
2459		3522
2460	# don't, removes xs symbols, too,	3523	# don't, removes xs symbols, too,
2461	# and global variables created in xs	3524	# and global variables created in xs
2462	#Symbol::delete_package __PACKAGE__;	3525	#Symbol::delete_package __PACKAGE__;
2463		3526
…		…
2466	warn "reloading cf.pm";	3529	warn "reloading cf.pm";
2467	require cf;	3530	require cf;
2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2469		3532
2470	warn "loading config and database again";	3533	warn "loading config and database again";
2471	cf::cfg_load;	3534	cf::reload_config;
2472		3535
2473	warn "loading extensions";	3536	warn "loading extensions";
2474	cf::load_extensions;	3537	cf::load_extensions;
2475		3538
2476	warn "reattaching attachments to objects/players";	3539	warn "reattaching attachments to objects/players";
2477	_global_reattach;	3540	_global_reattach; # objects, sockets
2478	warn "reattaching attachments to maps";	3541	warn "reattaching attachments to maps";
2479	reattach $_ for values %MAP;	3542	reattach $_ for values %MAP;
2480		3543	warn "reattaching attachments to players";
2481	warn "loading reloadable resources";	3544	reattach $_ for values %PLAYER;
2482	init_resources;
2483		3545
2484	warn "leaving sync_job";	3546	warn "leaving sync_job";
2485		3547
2486	1	3548	1
2487	} or do {	3549	} or do {
…		…
2493	warn "reloaded";	3555	warn "reloaded";
2494	};	3556	};
2495		3557
2496	our $RELOAD_WATCHER; # used only during reload	3558	our $RELOAD_WATCHER; # used only during reload
2497		3559
		3560	sub reload_perl() {
		3561	# doing reload synchronously and two reloads happen back-to-back,
		3562	# coro crashes during coro_state_free->destroy here.
		3563
		3564	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3565	undef $RELOAD_WATCHER;
		3566	do_reload_perl;
		3567	};
		3568	}
		3569
2498	register_command "reload" => sub {	3570	register_command "reload" => sub {
2499	my ($who, $arg) = @_;	3571	my ($who, $arg) = @_;
2500		3572
2501	if ($who->flag (FLAG_WIZ)) {	3573	if ($who->flag (FLAG_WIZ)) {
2502	$who->message ("reloading server.");	3574	$who->message ("reloading server.");
2503		3575	async {
2504	# doing reload synchronously and two reloads happen back-to-back,	3576	$Coro::current->{desc} = "perl_reload";
2505	# coro crashes during coro_state_free->destroy here.
2506
2507	$RELOAD_WATCHER ||= Event->timer (
2508	reentrant => 0,
2509	after => 0,
2510	data => WF_AUTOCANCEL,
2511	cb => sub {
2512	reload;	3577	reload_perl;
2513	undef $RELOAD_WATCHER;
2514	},
2515	);	3578	};
2516	}	3579	}
2517	};	3580	};
2518		3581
2519	unshift @INC, $LIBDIR;	3582	unshift @INC, $LIBDIR;
2520		3583
2521	my $bug_warning = 0;	3584	my $bug_warning = 0;
2522		3585
2523	$TICK_WATCHER = Event->timer (	3586	our @WAIT_FOR_TICK;
2524	reentrant => 0,	3587	our @WAIT_FOR_TICK_BEGIN;
2525	parked => 1,	3588
2526	prio => 0,	3589	sub wait_for_tick {
2527	at => $NEXT_TICK || $TICK,	3590	return unless $TICK_WATCHER->is_active;
2528	data => WF_AUTOCANCEL,	3591	return if $Coro::current == $Coro::main;
2529	cb => sub {	3592
		3593	my $signal = new Coro::Signal;
		3594	push @WAIT_FOR_TICK, $signal;
		3595	$signal->wait;
		3596	}
		3597
		3598	sub wait_for_tick_begin {
		3599	return unless $TICK_WATCHER->is_active;
		3600	return if $Coro::current == $Coro::main;
		3601
		3602	my $signal = new Coro::Signal;
		3603	push @WAIT_FOR_TICK_BEGIN, $signal;
		3604	$signal->wait;
		3605	}
		3606
		3607	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2530	if ($Coro::current != $Coro::main) {	3608	if ($Coro::current != $Coro::main) {
2531	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3609	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2532	unless ++$bug_warning > 10;	3610	unless ++$bug_warning > 10;
2533	return;	3611	return;
2534	}	3612	}
2535		3613
2536	$NOW = Event::time;	3614	$NOW = $tick_start = EV::now;
2537		3615
2538	cf::server_tick; # one server iteration	3616	cf::server_tick; # one server iteration
		3617
2539	$RUNTIME += $TICK;	3618	$RUNTIME += $TICK;
2540	$NEXT_TICK += $TICK;	3619	$NEXT_TICK = $_[0]->at;
2541		3620
2542	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3621	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2543	$NEXT_RUNTIME_WRITE = $NOW + 10;	3622	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2544	Coro::async_pool {	3623	Coro::async_pool {
		3624	$Coro::current->{desc} = "runtime saver";
2545	write_runtime	3625	write_runtime
2546	or warn "ERROR: unable to write runtime file: $!";	3626	or warn "ERROR: unable to write runtime file: $!";
2547	};
2548	}	3627	};
2549
2550	$WAIT_FOR_TICK->broadcast;
2551	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2552
2553	# my $AFTER = Event::time;
2554	# warn $AFTER - $NOW;#d#
2555
2556	# if we are delayed by four ticks or more, skip them all
2557	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2558
2559	$TICK_WATCHER->at ($NEXT_TICK);
2560	$TICK_WATCHER->start;
2561	},	3628	}
2562	);	3629
		3630	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3631	$sig->send;
		3632	}
		3633	while (my $sig = shift @WAIT_FOR_TICK) {
		3634	$sig->send;
		3635	}
		3636
		3637	$LOAD = ($NOW - $tick_start) / $TICK;
		3638	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3639
		3640	_post_tick;
		3641	};
		3642	$TICK_WATCHER->priority (EV::MAXPRI);
2563		3643
2564	{	3644	{
2565	BDB::max_poll_time $TICK * 0.1;	3645	# configure BDB
2566	$BDB_POLL_WATCHER = Event->io (	3646
2567	reentrant => 0,
2568	fd => BDB::poll_fileno,
2569	poll => 'r',
2570	prio => 0,
2571	data => WF_AUTOCANCEL,
2572	cb => \&BDB::poll_cb,
2573	);
2574	BDB::min_parallel 8;	3647	BDB::min_parallel 8;
2575		3648	BDB::max_poll_reqs $TICK * 0.1;
2576	BDB::set_sync_prepare {	3649	$Coro::BDB::WATCHER->priority (1);
2577	my $status;
2578	my $current = $Coro::current;
2579	(
2580	sub {
2581	$status = $!;
2582	$current->ready; undef $current;
2583	},
2584	sub {
2585	Coro::schedule while defined $current;
2586	$! = $status;
2587	},
2588	)
2589	};
2590		3650
2591	unless ($DB_ENV) {	3651	unless ($DB_ENV) {
2592	$DB_ENV = BDB::db_env_create;	3652	$DB_ENV = BDB::db_env_create;
		3653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3654	| BDB::LOG_AUTOREMOVE, 1);
		3655	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3656	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2593		3657
2594	cf::sync_job {	3658	cf::sync_job {
2595	eval {	3659	eval {
2596	BDB::db_env_open	3660	BDB::db_env_open
2597	$DB_ENV,	3661	$DB_ENV,
2598	$BDB_ENV_DIR,	3662	$BDBDIR,
2599	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3663	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2600	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3664	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2601	0666;	3665	0666;
2602		3666
2603	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3667	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2604
2605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2606	$DB_ENV->set_lk_detect;
2607	};	3668	};
2608		3669
2609	cf::cleanup "db_env_open(db): $@" if $@;	3670	cf::cleanup "db_env_open(db): $@" if $@;
2610	};	3671	};
2611	}	3672	}
		3673
		3674	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3675	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3676	};
		3677	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3678	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3679	};
		3680	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3681	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3682	};
2612	}	3683	}
2613		3684
2614	{	3685	{
		3686	# configure IO::AIO
		3687
2615	IO::AIO::min_parallel 8;	3688	IO::AIO::min_parallel 8;
2616
2617	undef $Coro::AIO::WATCHER;
2618	IO::AIO::max_poll_time $TICK * 0.1;	3689	IO::AIO::max_poll_time $TICK * 0.1;
2619	$AIO_POLL_WATCHER = Event->io (	3690	$Coro::AIO::WATCHER->priority (1);
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	fd => IO::AIO::poll_fileno,
2623	poll => 'r',
2624	prio => 6,
2625	cb => \&IO::AIO::poll_cb,
2626	);
2627	}	3691	}
		3692
		3693	my $_log_backtrace;
		3694
		3695	sub _log_backtrace {
		3696	my ($msg, @addr) = @_;
		3697
		3698	$msg =~ s/\n//;
		3699
		3700	# limit the # of concurrent backtraces
		3701	if ($_log_backtrace < 2) {
		3702	++$_log_backtrace;
		3703	async {
		3704	$Coro::current->{desc} = "abt $msg";
		3705
		3706	my @bt = fork_call {
		3707	@addr = map { sprintf "%x", $_ } @addr;
		3708	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3709	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3710	or die "addr2line: $!";
		3711
		3712	my @funcs;
		3713	my @res = <$fh>;
		3714	chomp for @res;
		3715	while (@res) {
		3716	my ($func, $line) = splice @res, 0, 2, ();
		3717	push @funcs, "[$func] $line";
		3718	}
		3719
		3720	@funcs
		3721	};
		3722
		3723	LOG llevInfo, "[ABT] $msg\n";
		3724	LOG llevInfo, "[ABT] $_\n" for @bt;
		3725	--$_log_backtrace;
		3726	};
		3727	} else {
		3728	LOG llevInfo, "[ABT] $msg\n";
		3729	LOG llevInfo, "[ABT] [suppressed]\n";
		3730	}
		3731	}
		3732
		3733	# load additional modules
		3734	use cf::pod;
2628		3735
2629	END { cf::emergency_save }	3736	END { cf::emergency_save }
2630		3737
2631	1	3738	1
2632		3739

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