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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.180 by root, Fri Jan 19 00:38:02 2007 UTC vs.
Revision 1.398 by root, Wed Dec 5 11:08:34 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use EV;
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 3.4 ();	15	use Coro 4.1 ();
		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::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS 2.01 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	37	# configure various modules to our taste
28		38	#
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
33		45
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
36	our %COMMAND = ();	50	our %COMMAND = ();
37	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
38		52
39	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
43		58
		59	our $RELOAD; # number of reloads so far
44	our @EVENT;	60	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		61
47	our $TICK = MAX_TIME * 1e-6;	62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
		73
		74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	75	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	76	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	78	our $NEXT_TICK;
52	our $NOW;	79	our $NOW;
		80	our $USE_FSYNC = 1; # use fsync to write maps - default off
		81
		82	our $BDB_POLL_WATCHER;
		83	our $BDB_DEADLOCK_WATCHER;
		84	our $BDB_CHECKPOINT_WATCHER;
		85	our $BDB_TRICKLE_WATCHER;
		86	our $DB_ENV;
53		87
54	our %CFG;	88	our %CFG;
55		89
56	our $UPTIME; $UPTIME ||= time;	90	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	91	our $RUNTIME;
58		92
59	our %PLAYER; # all users	93	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	94	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	95	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		96
67	# used to convert map paths into valid unix filenames by replacing / by ∕	97	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	98	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		99
		100	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		101	our $LOADAVG; # same thing, but with alpha-smoothing
		102	our $tick_start; # for load detecting purposes
		103
70	binmode STDOUT;	104	binmode STDOUT;
71	binmode STDERR;	105	binmode STDERR;
72		106
73	# read virtual server time, if available	107	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	108	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	109	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	110	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	111	$RUNTIME = <$fh> + 0.;
78	}	112	}
79		113
80	mkdir cf::localdir;	114	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	115	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		116
86	our $EMERGENCY_POSITION;	117	our $EMERGENCY_POSITION;
		118
		119	sub cf::map::normalise;
87		120
88	#############################################################################	121	#############################################################################
89		122
90	=head2 GLOBAL VARIABLES	123	=head2 GLOBAL VARIABLES
91		124
…		…
98	=item $cf::RUNTIME	131	=item $cf::RUNTIME
99		132
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	133	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	134	every server tick.
102		135
103	=item $cf::LIBDIR	136	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		137	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		138	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		139
105	The perl library directory, where extensions and cf-specific modules can	140	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	141	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		142	unique-items directory, player file directory, random maps directory and
		143	database environment.
107		144
108	=item $cf::NOW	145	=item $cf::NOW
109		146
110	The time of the last (current) server tick.	147	The time of the last (current) server tick.
111		148
112	=item $cf::TICK	149	=item $cf::TICK
113		150
114	The interval between server ticks, in seconds.	151	The interval between server ticks, in seconds.
115		152
		153	=item $cf::LOADAVG
		154
		155	The current CPU load on the server (alpha-smoothed), as a value between 0
		156	(none) and 1 (overloaded), indicating how much time is spent on processing
		157	objects per tick. Healthy values are < 0.5.
		158
		159	=item $cf::LOAD
		160
		161	The raw value load value from the last tick.
		162
116	=item %cf::CFG	163	=item %cf::CFG
117		164
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	165	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	166	from wherever your confdir points to.
120		167
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	168	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		169
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	170	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	171	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	172	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	173
		174	=item @cf::INVOKE_RESULTS
		175
		176	This array contains the results of the last C<invoke ()> call. When
		177	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		178	that call.
127		179
128	=back	180	=back
129		181
130	=cut	182	=cut
131		183
132	BEGIN {	184	BEGIN {
133	*CORE::GLOBAL::warn = sub {	185	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	186	my $msg = join "", @_;
135	utf8::encode $msg;
136		187
137	$msg .= "\n"	188	$msg .= "\n"
138	unless $msg =~ /\n$/;	189	unless $msg =~ /\n$/;
		190
		191	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
139		192
140	LOG llevError, $msg;	193	LOG llevError, $msg;
141	};	194	};
142	}	195	}
143		196
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		204
151	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	206	# within the Safe compartment.
153	for my $pkg (qw(	207	for my $pkg (qw(
154	cf::global cf::attachable	208	cf::global cf::attachable
…		…
159	)) {	213	)) {
160	no strict 'refs';	214	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	216	}
163		217
164	$Event::DIED = sub {	218	$EV::DIED = sub {
165	warn "error in event callback: @_";	219	warn "error in event callback: @_";
166	};	220	};
		221
		222	#############################################################################
167		223
168	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
169		225
170	=over 4	226	=over 4
171		227
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	247	$d
192	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
193	}	249	}
194		250
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	251	=item $ref = cf::decode_json $json
198		252
199	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
200		254
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	255	=item $json = cf::encode_json $ref
209		256
210	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
211		258
212	=cut	259	=cut
213		260
214	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
216	JSON::Syck::Dump $_[0]	263	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	264	sub decode_json($) { $json_coder->decode ($_[0]) }
218		265
219	=item cf::lock_wait $string	266	=item cf::lock_wait $string
220		267
221	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
222		269
…		…
225	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
228	returned.	275	returned.
229		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
230	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
232		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
233	=cut	287	=cut
234		288
235	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
236		291
237	sub lock_wait($) {	292	sub lock_wait($) {
238	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
239		299
240	# wait for lock, if any	300	# wait for lock, if any
241	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	303	Coro::schedule;
…		…
249		309
250	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
251	lock_wait $key;	311	lock_wait $key;
252		312
253	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
254		315
255	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
258	}	320	}
259	}	321	}
260		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
261	sub freeze_mainloop {	329	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
263		331
264	my $guard = Coro::guard {	332	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	333	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	334	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
270	$guard	336	$guard
		337	}
		338
		339	=item cf::periodic $interval, $cb
		340
		341	Like EV::periodic, but randomly selects a starting point so that the actions
		342	get spread over timer.
		343
		344	=cut
		345
		346	sub periodic($$) {
		347	my ($interval, $cb) = @_;
		348
		349	my $start = rand List::Util::min 180, $interval;
		350
		351	EV::periodic $start, $interval, 0, $cb
		352	}
		353
		354	=item cf::get_slot $time[, $priority[, $name]]
		355
		356	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		357	This call blocks and returns only when you have at least C<$time> seconds
		358	of cpu time till the next tick. The slot is only valid till the next cede.
		359
		360	The optional C<$name> can be used to identify the job to run. It might be
		361	used for statistical purposes and should identify the same time-class.
		362
		363	Useful for short background jobs.
		364
		365	=cut
		366
		367	our @SLOT_QUEUE;
		368	our $SLOT_QUEUE;
		369
		370	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		371	$SLOT_QUEUE = Coro::async {
		372	$Coro::current->desc ("timeslot manager");
		373
		374	my $signal = new Coro::Signal;
		375
		376	while () {
		377	next_job:
		378	my $avail = cf::till_tick;
		379	if ($avail > 0.01) {
		380	for (0 .. $#SLOT_QUEUE) {
		381	if ($SLOT_QUEUE[$_][0] < $avail) {
		382	my $job = splice @SLOT_QUEUE, $_, 1, ();
		383	$job->[2]->send;
		384	Coro::cede;
		385	goto next_job;
		386	}
		387	}
		388	}
		389
		390	if (@SLOT_QUEUE) {
		391	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		392	push @cf::WAIT_FOR_TICK, $signal;
		393	$signal->wait;
		394	} else {
		395	Coro::schedule;
		396	}
		397	}
		398	};
		399
		400	sub get_slot($;$$) {
		401	my ($time, $pri, $name) = @_;
		402
		403	$time = $TICK * .6 if $time > $TICK * .6;
		404	my $sig = new Coro::Signal;
		405
		406	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		407	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		408	$SLOT_QUEUE->ready;
		409	$sig->wait;
271	}	410	}
272		411
273	=item cf::async { BLOCK }	412	=item cf::async { BLOCK }
274		413
275	Currently the same as Coro::async_pool, meaning you cannot use	414	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		419
281	BEGIN { *async = \&Coro::async_pool }	420	BEGIN { *async = \&Coro::async_pool }
282		421
283	=item cf::sync_job { BLOCK }	422	=item cf::sync_job { BLOCK }
284		423
285	The design of crossfire+ requires that the main coro ($Coro::main) is	424	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	425	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	426	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		427	acceptable.
288		428
289	If it must be done, put the blocking parts into C<sync_job>. This will run	429	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	430	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	431	server will be frozen during this time, so the block should either finish
292	fast or be very important.	432	fast or be very important.
…		…
295		435
296	sub sync_job(&) {	436	sub sync_job(&) {
297	my ($job) = @_;	437	my ($job) = @_;
298		438
299	if ($Coro::current == $Coro::main) {	439	if ($Coro::current == $Coro::main) {
		440	my $time = EV::time;
		441
300	# this is the main coro, too bad, we have to block	442	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	443	# till the operation succeeds, freezing the server :/
302		444
		445	LOG llevError, Carp::longmess "sync job";#d#
		446
303	# TODO: use suspend/resume instead	447	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	448	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	449	my $freeze_guard = freeze_mainloop;
306		450
307	my $busy = 1;	451	my $busy = 1;
308	my @res;	452	my @res;
309		453
310	(async {	454	(async {
		455	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	456	@res = eval { $job->() };
312	warn $@ if $@;	457	warn $@ if $@;
313	undef $busy;	458	undef $busy;
314	})->prio (Coro::PRIO_MAX);	459	})->prio (Coro::PRIO_MAX);
315		460
316	while ($busy) {	461	while ($busy) {
317	Coro::cede or Event::one_event;	462	if (Coro::nready) {
		463	Coro::cede_notself;
		464	} else {
		465	EV::loop EV::LOOP_ONESHOT;
318	}	466	}
		467	}
		468
		469	$time = EV::time - $time;
		470
		471	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		472	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		473
		474	$tick_start += $time; # do not account sync jobs to server load
319		475
320	wantarray ? @res : $res[0]	476	wantarray ? @res : $res[0]
321	} else {	477	} else {
322	# we are in another coroutine, how wonderful, everything just works	478	# we are in another coroutine, how wonderful, everything just works
323		479
…		…
343	$EXT_CORO{$coro+0} = $coro;	499	$EXT_CORO{$coro+0} = $coro;
344		500
345	$coro	501	$coro
346	}	502	}
347		503
348	sub write_runtime {	504	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		505
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	506	Executes the given code block with the given arguments in a seperate
352	or return;	507	process, returning the results. Everything must be serialisable with
		508	Coro::Storable. May, of course, block. Note that the executed sub may
		509	never block itself or use any form of event handling.
353		510
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	511	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		512
358	aio_fsync $fh	513	sub fork_call(&@) {
359	and return;	514	my ($cb, @args) = @_;
360		515
361	close $fh	516	# we seemingly have to make a local copy of the whole thing,
362	or return;	517	# otherwise perl prematurely frees the stuff :/
		518	# TODO: investigate and fix (likely this will be rather laborious)
363		519
364	aio_rename "$runtime~", $runtime	520	my @res = Coro::Util::fork_eval {
365	and return;	521	reset_signals;
		522	&$cb
		523	}, @args;
366		524
		525	wantarray ? @res : $res[-1]
		526	}
		527
		528	=item $value = cf::db_get $family => $key
		529
		530	Returns a single value from the environment database.
		531
		532	=item cf::db_put $family => $key => $value
		533
		534	Stores the given C<$value> in the family. It can currently store binary
		535	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		536
		537	=item $db = cf::db_table "name"
		538
		539	Create and/or open a new database table. The string must not be "db" and must be unique
		540	within each server.
		541
		542	=cut
		543
		544	sub db_table($) {
		545	my ($name) = @_;
		546	my $db = BDB::db_create $DB_ENV;
		547
		548	eval {
		549	$db->set_flags (BDB::CHKSUM);
		550
		551	utf8::encode $name;
		552	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		553	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		554	cf::cleanup "db_open(db): $!" if $!;
		555	};
		556	cf::cleanup "db_open(db): $@" if $@;
		557
		558	$db
		559	}
		560
		561	our $DB;
		562
		563	sub db_init {
		564	cf::sync_job {
		565	$DB ||= db_table "db";
		566	};
		567	}
		568
		569	sub db_get($$) {
		570	my $key = "$_[0]/$_[1]";
		571
		572	cf::sync_job {
		573	BDB::db_get $DB, undef, $key, my $data;
		574
		575	$! ? ()
		576	: $data
367	1	577	}
		578	}
		579
		580	sub db_put($$$) {
		581	BDB::dbreq_pri 4;
		582	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		583	}
		584
		585	=item cf::cache $id => [$paths...], $processversion => $process
		586
		587	Generic caching function that returns the value of the resource $id,
		588	caching and regenerating as required.
		589
		590	This function can block.
		591
		592	=cut
		593
		594	sub cache {
		595	my ($id, $src, $processversion, $process) = @_;
		596
		597	my $meta =
		598	join "\x00",
		599	$processversion,
		600	map {
		601	aio_stat $_
		602	and Carp::croak "$_: $!";
		603
		604	($_, (stat _)[7,9])
		605	} @$src;
		606
		607	my $dbmeta = db_get cache => "$id/meta";
		608	if ($dbmeta ne $meta) {
		609	# changed, we may need to process
		610
		611	my @data;
		612	my $md5;
		613
		614	for (0 .. $#$src) {
		615	0 <= aio_load $src->[$_], $data[$_]
		616	or Carp::croak "$src->[$_]: $!";
		617	}
		618
		619	# if processing is expensive, check
		620	# checksum first
		621	if (1) {
		622	$md5 =
		623	join "\x00",
		624	$processversion,
		625	map {
		626	cf::cede_to_tick;
		627	($src->[$_], Digest::MD5::md5_hex $data[$_])
		628	} 0.. $#$src;
		629
		630
		631	my $dbmd5 = db_get cache => "$id/md5";
		632	if ($dbmd5 eq $md5) {
		633	db_put cache => "$id/meta", $meta;
		634
		635	return db_get cache => "$id/data";
		636	}
		637	}
		638
		639	my $t1 = Time::HiRes::time;
		640	my $data = $process->(\@data);
		641	my $t2 = Time::HiRes::time;
		642
		643	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		644
		645	db_put cache => "$id/data", $data;
		646	db_put cache => "$id/md5" , $md5;
		647	db_put cache => "$id/meta", $meta;
		648
		649	return $data;
		650	}
		651
		652	db_get cache => "$id/data"
		653	}
		654
		655	=item cf::datalog type => key => value, ...
		656
		657	Log a datalog packet of the given type with the given key-value pairs.
		658
		659	=cut
		660
		661	sub datalog($@) {
		662	my ($type, %kv) = @_;
		663	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	664	}
369		665
370	=back	666	=back
371		667
372	=cut	668	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	675	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	676	to it. All such attachable objects support the following methods.
381		677
382	In the following description, CLASS can be any of C<global>, C<object>	678	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	679	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	680	Deliantra).
385		681
386	=over 4	682	=over 4
387		683
388	=item $attachable->attach ($attachment, key => $value...)	684	=item $attachable->attach ($attachment, key => $value...)
389		685
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	848	$registry = $CB_TYPE[$object_type] ||= [];
553		849
554	} elsif ($type eq "subtype") {	850	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	851	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	852	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	853	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		854
559	} elsif ($type eq "package") {	855	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	856	my $pkg = shift @arg;
561		857
562	while (my ($name, $id) = each %cb_id) {	858	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	887	_attach $registry, $klass, @attach;
592	}	888	}
593		889
594	$obj->{$name} = \%arg;	890	$obj->{$name} = \%arg;
595	} else {	891	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	892	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	893	}
598		894
599	$obj->{_attachment}{$name} = undef;	895	$obj->{_attachment}{$name} = undef;
600	}	896	}
601		897
…		…
603	if (ref $_[0]) {	899	if (ref $_[0]) {
604	_object_attach @_;	900	_object_attach @_;
605	} else {	901	} else {
606	_attach shift->_attach_registry, @_;	902	_attach shift->_attach_registry, @_;
607	}	903	}
		904	_recalc_want;
608	};	905	};
609		906
610	# all those should be optimised	907	# all those should be optimised
611	sub cf::attachable::detach {	908	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	909	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	912	delete $obj->{_attachment}{$name};
616	reattach ($obj);	913	reattach ($obj);
617	} else {	914	} else {
618	Carp::croak "cannot, currently, detach class attachments";	915	Carp::croak "cannot, currently, detach class attachments";
619	}	916	}
		917	_recalc_want;
620	};	918	};
621		919
622	sub cf::attachable::attached {	920	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	921	my ($obj, $name) = @_;
624		922
…		…
639	";	937	";
640	die if $@;	938	die if $@;
641	}	939	}
642		940
643	our $override;	941	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	942	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		943
646	sub override {	944	sub override {
647	$override = 1;	945	$override = 1;
648	@invoke_results = ();	946	@INVOKE_RESULTS = (@_);
649	}	947	}
650		948
651	sub do_invoke {	949	sub do_invoke {
652	my $event = shift;	950	my $event = shift;
653	my $callbacks = shift;	951	my $callbacks = shift;
654		952
655	@invoke_results = ();	953	@INVOKE_RESULTS = ();
656		954
657	local $override;	955	local $override;
658		956
659	for (@$callbacks) {	957	for (@$callbacks) {
660	eval { &{$_->[1]} };	958	eval { &{$_->[1]} };
…		…
677		975
678	Generate an object-specific event with the given arguments.	976	Generate an object-specific event with the given arguments.
679		977
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	978	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	979	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	980	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		981
684	=back	982	=back
685		983
686	=cut	984	=cut
687		985
688	#############################################################################	986	#############################################################################
689	# object support	987	# object support
		988
		989	sub _object_equal($$);
		990	sub _object_equal($$) {
		991	my ($a, $b) = @_;
		992
		993	return 0 unless (ref $a) eq (ref $b);
		994
		995	if ("HASH" eq ref $a) {
		996	my @ka = keys %$a;
		997	my @kb = keys %$b;
		998
		999	return 0 if @ka != @kb;
		1000
		1001	for (0 .. $#ka) {
		1002	return 0 unless $ka[$_] eq $kb[$_];
		1003	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1004	}
		1005
		1006	} elsif ("ARRAY" eq ref $a) {
		1007
		1008	return 0 if @$a != @$b;
		1009
		1010	for (0 .. $#$a) {
		1011	return 0 unless _object_equal $a->[$_], $b->[$_];
		1012	}
		1013
		1014	} elsif ($a ne $b) {
		1015	return 0;
		1016	}
		1017
		1018	1
		1019	}
		1020
		1021	our $SLOW_MERGES;#d#
		1022	sub _can_merge {
		1023	my ($ob1, $ob2) = @_;
		1024
		1025	++$SLOW_MERGES;#d#
		1026
		1027	# we do the slow way here
		1028	return _object_equal $ob1, $ob2
		1029	}
690		1030
691	sub reattach {	1031	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1032	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1033	my ($obj) = @_;
694		1034
…		…
715	cf::attachable->attach (	1055	cf::attachable->attach (
716	prio => -1000000,	1056	prio => -1000000,
717	on_instantiate => sub {	1057	on_instantiate => sub {
718	my ($obj, $data) = @_;	1058	my ($obj, $data) = @_;
719		1059
720	$data = from_json $data;	1060	$data = decode_json $data;
721		1061
722	for (@$data) {	1062	for (@$data) {
723	my ($name, $args) = @$_;	1063	my ($name, $args) = @$_;
724		1064
725	$obj->attach ($name, %{$args || {} });	1065	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1081	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1082	my ($filename, $rdata, $objs) = @_;
743		1083
744	sync_job {	1084	sync_job {
745	if (length $$rdata) {	1085	if (length $$rdata) {
		1086	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1087	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1088	$decname, length $$rdata, scalar @$objs;
748		1089
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1091	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1093	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1094	close $fh;
754		1095
755	if (@$objs) {	1096	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1100	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1101	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1102	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1103	aio_rename "$filename.pst~", "$filename.pst";
763	}	1104	}
764	} else {	1105	} else {
765	aio_unlink "$filename.pst";	1106	aio_unlink "$filename.pst";
…		…
771	}	1112	}
772	} else {	1113	} else {
773	aio_unlink $filename;	1114	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1115	aio_unlink "$filename.pst";
775	}	1116	}
776	}	1117	};
777	}	1118	}
778		1119
779	sub object_freezer_as_string {	1120	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1121	my ($rdata, $objs) = @_;
781		1122
…		…
793	or return;	1134	or return;
794		1135
795	unless (aio_stat "$filename.pst") {	1136	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1137	(aio_load "$filename.pst", $av) >= 0
797	or return;	1138	or return;
		1139
798	$av = eval { (Storable::thaw $av)->{objs} };	1140	my $st = eval { Coro::Storable::thaw $av };
		1141	$av = $st->{objs};
799	}	1142	}
800		1143
		1144	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1145	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1146	$decname, length $data, scalar @{$av || []};
		1147
803	return ($data, $av);	1148	($data, $av)
804	}	1149	}
		1150
		1151	=head2 COMMAND CALLBACKS
		1152
		1153	=over 4
		1154
		1155	=cut
805		1156
806	#############################################################################	1157	#############################################################################
807	# command handling &c	1158	# command handling &c
808		1159
809	=item cf::register_command $name => \&callback($ob,$args);	1160	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1173	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1174	}
824		1175
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1176	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1177
827	Register a callbackf ro execution when the client sends an extcmd packet.	1178	Register a callback for execution when the client sends an (synchronous)
		1179	extcmd packet. Ext commands will be processed in the order they are
		1180	received by the server, like other user commands. The first argument is
		1181	the logged-in player. Ext commands can only be processed after a player
		1182	has logged in successfully.
828		1183
829	If the callback returns something, it is sent back as if reply was being	1184	If the callback returns something, it is sent back as if reply was being
830	called.	1185	called.
831		1186
		1187	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1188
		1189	Register a callback for execution when the client sends an (asynchronous)
		1190	exticmd packet. Exti commands are processed by the server as soon as they
		1191	are received, i.e. out of order w.r.t. other commands. The first argument
		1192	is a client socket. Exti commands can be received anytime, even before
		1193	log-in.
		1194
		1195	If the callback returns something, it is sent back as if reply was being
		1196	called.
		1197
832	=cut	1198	=cut
833		1199
834	sub register_extcmd {	1200	sub register_extcmd {
835	my ($name, $cb) = @_;	1201	my ($name, $cb) = @_;
836		1202
837	$EXTCMD{$name} = $cb;	1203	$EXTCMD{$name} = $cb;
		1204	}
		1205
		1206	sub register_exticmd {
		1207	my ($name, $cb) = @_;
		1208
		1209	$EXTICMD{$name} = $cb;
838	}	1210	}
839		1211
840	cf::player->attach (	1212	cf::player->attach (
841	on_command => sub {	1213	on_command => sub {
842	my ($pl, $name, $params) = @_;	1214	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1223	cf::override;
852	},	1224	},
853	on_extcmd => sub {	1225	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1226	my ($pl, $buf) = @_;
855		1227
856	my $msg = eval { from_json $buf };	1228	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1229
858	if (ref $msg) {	1230	if (ref $msg) {
		1231	my ($type, $reply, @payload) =
		1232	"ARRAY" eq ref $msg
		1233	? @$msg
		1234	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1235
		1236	my @reply;
		1237
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1238	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1239	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1240	}
		1241
		1242	$pl->ext_reply ($reply, @reply)
		1243	if $reply;
		1244
864	} else {	1245	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1247	}
867		1248
868	cf::override;	1249	cf::override;
869	},	1250	},
870	);	1251	);
871		1252
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1253	sub load_extensions {
		1254	cf::sync_job {
		1255	my %todo;
		1256
907	for my $ext (<$LIBDIR/*.ext>) {	1257	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1258	next unless -r $path;
909	eval {	1259
910	load_extension $ext;	1260	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1261	my $base = $1;
		1262	my $pkg = $1;
		1263	$pkg =~ s/[^[:word:]]/_/g;
		1264	$pkg = "ext::$pkg";
		1265
		1266	open my $fh, "<:utf8", $path
		1267	or die "$path: $!";
		1268
		1269	my $source = do { local $/; <$fh> };
		1270
		1271	my %ext = (
		1272	path => $path,
		1273	base => $base,
		1274	pkg => $pkg,
		1275	);
		1276
		1277	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1278	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1279
		1280	$ext{source} =
		1281	"package $pkg; use strict; use utf8;\n"
		1282	. "#line 1 \"$path\"\n{\n"
		1283	. $source
		1284	. "\n};\n1";
		1285
		1286	$todo{$base} = \%ext;
		1287	}
		1288
		1289	my %done;
		1290	while (%todo) {
		1291	my $progress;
		1292
		1293	while (my ($k, $v) = each %todo) {
		1294	for (split /,\s*/, $v->{meta}{depends}) {
		1295	goto skip
		1296	unless exists $done{$_};
		1297	}
		1298
		1299	warn "... loading '$k' into '$v->{pkg}'\n";
		1300
		1301	unless (eval $v->{source}) {
		1302	my $msg = $@ ? "$v->{path}: $@\n"
		1303	: "$v->{base}: extension inactive.\n";
		1304
		1305	if (exists $v->{meta}{mandatory}) {
		1306	warn $msg;
		1307	warn "mandatory extension failed to load, exiting.\n";
		1308	exit 1;
		1309	}
		1310
		1311	warn $msg;
		1312	}
		1313
		1314	$done{$k} = delete $todo{$k};
		1315	push @EXTS, $v->{pkg};
		1316	$progress = 1;
911	1	1317	}
912	} or warn "$ext not loaded: $@";	1318
		1319	skip:
		1320	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1321	unless $progress;
		1322	}
913	}	1323	};
914	}	1324	}
915		1325
916	#############################################################################	1326	#############################################################################
917		1327
		1328	=back
		1329
918	=head2 CORE EXTENSIONS	1330	=head2 CORE EXTENSIONS
919		1331
920	Functions and methods that extend core crossfire objects.	1332	Functions and methods that extend core crossfire objects.
921		1333
922	=cut	1334	=cut
…		…
927		1339
928	=head3 cf::player	1340	=head3 cf::player
929		1341
930	=over 4	1342	=over 4
931		1343
		1344	=item cf::player::num_playing
		1345
		1346	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1347
		1348	=cut
		1349
		1350	sub num_playing {
		1351	scalar grep
		1352	$_->ob->map
		1353	&& !$_->hidden
		1354	&& !$_->ob->flag (cf::FLAG_WIZ),
		1355	cf::player::list
		1356	}
		1357
932	=item cf::player::find $login	1358	=item cf::player::find $login
933		1359
934	Returns the given player object, loading it if necessary (might block).	1360	Returns the given player object, loading it if necessary (might block).
935		1361
936	=cut	1362	=cut
937		1363
938	sub playerdir($) {	1364	sub playerdir($) {
939	cf::localdir	1365	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1366	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1367	}
945		1368
946	sub path($) {	1369	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1370	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1371
949	(playerdir $login) . "/$login.pl"	1372	(playerdir $login) . "/playerdata"
950	}	1373	}
951		1374
952	sub find_active($) {	1375	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1376	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1377	and $cf::PLAYER{$_[0]}->active
…		…
967	my $login = $_[0];	1390	my $login = $_[0];
968		1391
969	my $guard = cf::lock_acquire "user_find:$login";	1392	my $guard = cf::lock_acquire "user_find:$login";
970		1393
971	$cf::PLAYER{$_[0]} || do {	1394	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1395	# rename old playerfiles to new ones
		1396	#TODO: remove when no longer required
		1397	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1398	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1399	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1400	aio_unlink +(playerdir $login) . "/$login.pl";
		1401
		1402	my $f = new_from_file cf::object::thawer path $login
973	or return;	1403	or return;
		1404
		1405	my $pl = cf::player::load_pl $f
		1406	or return;
		1407	local $cf::PLAYER_LOADING{$login} = $pl;
		1408	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1409	$cf::PLAYER{$login} = $pl
975	}	1410	}
976	}	1411	}
977	}	1412	}
978		1413
…		…
988		1423
989	aio_mkdir playerdir $pl, 0770;	1424	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1425	$pl->{last_save} = $cf::RUNTIME;
991		1426
992	$pl->save_pl ($path);	1427	$pl->save_pl ($path);
993	Coro::cede;	1428	cf::cede_to_tick;
994	}	1429	}
995		1430
996	sub new($) {	1431	sub new($) {
997	my ($login) = @_;	1432	my ($login) = @_;
998		1433
…		…
1004	$cf::PLAYER{$login} = $self;	1439	$cf::PLAYER{$login} = $self;
1005		1440
1006	$self	1441	$self
1007	}	1442	}
1008		1443
		1444	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1445
		1446	=cut
		1447
		1448	sub send_msg {
		1449	my $ns = shift->ns
		1450	or return;
		1451	$ns->send_msg (@_);
		1452	}
		1453
1009	=item $pl->quit_character	1454	=item $pl->quit_character
1010		1455
1011	Nukes the player without looking back. If logged in, the connection will	1456	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1457	be destroyed. May block for a long time.
1013		1458
1014	=cut	1459	=cut
1015		1460
1016	sub quit_character {	1461	sub quit_character {
1017	my ($pl) = @_;	1462	my ($pl) = @_;
		1463
		1464	my $name = $pl->ob->name;
1018		1465
1019	$pl->{deny_save} = 1;	1466	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1467	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1468
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1469	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1474	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1475	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1476	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1477	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1478	$pl->destroy;
		1479
		1480	my $prefix = qr<^~\Q$name\E/>;
		1481
		1482	# nuke player maps
		1483	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1484
1032	IO::AIO::aio_rmtree $temp;	1485	IO::AIO::aio_rmtree $temp;
		1486	}
		1487
		1488	=item $pl->kick
		1489
		1490	Kicks a player out of the game. This destroys the connection.
		1491
		1492	=cut
		1493
		1494	sub kick {
		1495	my ($pl, $kicker) = @_;
		1496
		1497	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1498	$pl->killer ("kicked");
		1499	$pl->ns->destroy;
1033	}	1500	}
1034		1501
1035	=item cf::player::list_logins	1502	=item cf::player::list_logins
1036		1503
1037	Returns am arrayref of all valid playernames in the system, can take a	1504	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1505	while and may block, so not sync_job-capable, ever.
1039		1506
1040	=cut	1507	=cut
1041		1508
1042	sub list_logins {	1509	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1510	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1511	or return [];
1045		1512
1046	my @logins;	1513	my @logins;
1047		1514
1048	for my $login (@$dirs) {	1515	for my $login (@$dirs) {
		1516	my $path = path $login;
		1517
		1518	# a .pst is a dead give-away for a valid player
		1519	unless (-e "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1521	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1522	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1523	}
1052		1524
1053	utf8::decode $login;	1525	utf8::decode $login;
1054	push @logins, $login;	1526	push @logins, $login;
1055	}	1527	}
1056		1528
…		…
1064		1536
1065	=cut	1537	=cut
1066		1538
1067	sub maps($) {	1539	sub maps($) {
1068	my ($pl) = @_;	1540	my ($pl) = @_;
		1541
		1542	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1543
1070	my $files = aio_readdir playerdir $pl	1544	my $files = aio_readdir playerdir $pl
1071	or return;	1545	or return;
1072		1546
1073	my @paths;	1547	my @paths;
…		…
1075	for (@$files) {	1549	for (@$files) {
1076	utf8::decode $_;	1550	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1551	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1552	next unless /^$PATH_SEP/o;
1079		1553
1080	s/\.map$//;	1554	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1555	}
1083		1556
1084	\@paths	1557	\@paths
1085	}	1558	}
1086		1559
		1560	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1561
		1562	Expand crossfire pod fragments into protocol xml.
		1563
		1564	=cut
		1565
		1566	use re 'eval';
		1567
		1568	my $group;
		1569	my $interior; $interior = qr{
		1570	# match a pod interior sequence sans C<< >>
		1571	(?:
		1572	\ (.*?)\ (?{ $group = $^N })
		1573	| < (??{$interior}) >
		1574	)
		1575	}x;
		1576
		1577	sub expand_cfpod {
		1578	my ($self, $pod) = @_;
		1579
		1580	my $xml;
		1581
		1582	while () {
		1583	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1584	$group = $1;
		1585
		1586	$group =~ s/&/&amp;/g;
		1587	$group =~ s/</&lt;/g;
		1588
		1589	$xml .= $group;
		1590	} elsif ($pod =~ m%\G
		1591	([BCGHITU])
		1592	<
		1593	(?:
		1594	([^<>]*) (?{ $group = $^N })
		1595	| < $interior >
		1596	)
		1597	>
		1598	%gcsx
		1599	) {
		1600	my ($code, $data) = ($1, $group);
		1601
		1602	if ($code eq "B") {
		1603	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1604	} elsif ($code eq "I") {
		1605	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1606	} elsif ($code eq "U") {
		1607	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1608	} elsif ($code eq "C") {
		1609	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1610	} elsif ($code eq "T") {
		1611	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1612	} elsif ($code eq "G") {
		1613	my ($male, $female) = split /\|/, $data;
		1614	$data = $self->gender ? $female : $male;
		1615	$xml .= expand_cfpod ($self, $data);
		1616	} elsif ($code eq "H") {
		1617	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1618	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1619	"")
		1620	[$self->{hintmode}];
		1621	} else {
		1622	$xml .= "error processing '$code($data)' directive";
		1623	}
		1624	} else {
		1625	if ($pod =~ /\G(.+)/) {
		1626	warn "parse error while expanding $pod (at $1)";
		1627	}
		1628	last;
		1629	}
		1630	}
		1631
		1632	for ($xml) {
		1633	# create single paragraphs (very hackish)
		1634	s/(?<=\S)\n(?=\w)/ /g;
		1635
		1636	# compress some whitespace
		1637	s/\s+\n/\n/g; # ws line-ends
		1638	s/\n\n+/\n/g; # double lines
		1639	s/^\n+//; # beginning lines
		1640	s/\n+$//; # ending lines
		1641	}
		1642
		1643	$xml
		1644	}
		1645
		1646	no re 'eval';
		1647
		1648	sub hintmode {
		1649	$_[0]{hintmode} = $_[1] if @_ > 1;
		1650	$_[0]{hintmode}
		1651	}
		1652
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1653	=item $player->ext_reply ($msgid, @msg)
1088		1654
1089	Sends an ext reply to the player.	1655	Sends an ext reply to the player.
1090		1656
1091	=cut	1657	=cut
1092		1658
1093	sub ext_reply($$$%) {	1659	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1660	my ($self, $id, @msg) = @_;
1095		1661
1096	$msg{msgid} = $id;	1662	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1663	}
1100		1664
1101	package cf;	1665	=item $player->ext_msg ($type, @msg)
		1666
		1667	Sends an ext event to the client.
		1668
		1669	=cut
		1670
		1671	sub ext_msg($$@) {
		1672	my ($self, $type, @msg) = @_;
		1673
		1674	$self->ns->ext_msg ($type, @msg);
		1675	}
		1676
		1677	=head3 cf::region
		1678
		1679	=over 4
		1680
		1681	=cut
		1682
		1683	package cf::region;
		1684
		1685	=item cf::region::find_by_path $path
		1686
		1687	Tries to decuce the likely region for a map knowing only its path.
		1688
		1689	=cut
		1690
		1691	sub find_by_path($) {
		1692	my ($path) = @_;
		1693
		1694	my ($match, $specificity);
		1695
		1696	for my $region (list) {
		1697	if ($region->{match} && $path =~ $region->{match}) {
		1698	($match, $specificity) = ($region, $region->specificity)
		1699	if $region->specificity > $specificity;
		1700	}
		1701	}
		1702
		1703	$match
		1704	}
1102		1705
1103	=back	1706	=back
1104
1105		1707
1106	=head3 cf::map	1708	=head3 cf::map
1107		1709
1108	=over 4	1710	=over 4
1109		1711
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1739	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1740	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1741	)
1140	}	1742	}
1141		1743
		1744	=item cf::map->register ($regex, $prio)
		1745
		1746	Register a handler for the map path matching the given regex at the
		1747	givne priority (higher is better, built-in handlers have priority 0, the
		1748	default).
		1749
		1750	=cut
		1751
1142	sub register {	1752	sub register {
1143	my (undef, $regex) = @_;	1753	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1754	my $pkg = caller;
1145		1755
1146	no strict;	1756	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1757	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1758
1149	$EXT_MAP{$pkg} = qr<$regex>;	1759	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1760	}
1151		1761
1152	# also paths starting with '/'	1762	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1763	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1764
1155	sub thawer_merge {	1765	sub thawer_merge {
1156	my ($self, $merge) = @_;	1766	my ($self, $merge) = @_;
1157		1767
1158	# we have to keep some variables in memory intact	1768	# we have to keep some variables in memory intact
1159	local $self->{path};	1769	local $self->{path};
1160	local $self->{load_path};	1770	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1771
1164	$self->SUPER::thawer_merge ($merge);	1772	$self->SUPER::thawer_merge ($merge);
1165	}	1773	}
1166		1774
1167	sub normalise {	1775	sub normalise {
1168	my ($path, $base) = @_;	1776	my ($path, $base) = @_;
		1777
		1778	$path = "$path"; # make sure its a string
		1779
		1780	$path =~ s/\.map$//;
1169		1781
1170	# map plan:	1782	# map plan:
1171	#	1783	#
1172	# /! non-realised random map exit (special hack!)	1784	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1785	# {... are special paths that are not being touched
…		…
1201		1813
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1814	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1815
1204	$path = normalise $path, $base;	1816	$path = normalise $path, $base;
1205		1817
1206	for my $pkg (keys %EXT_MAP) {	1818	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1819	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1820	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1821	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1822	$self->init; # pass $1 etc.
1211	return $self;	1823	return $self;
1212	}	1824	}
1213	}	1825	}
1214		1826
1215	Carp::carp "unable to resolve path '$path'.";	1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1828	()
1217	}	1829	}
1218		1830
1219	sub init {	1831	sub init {
1220	my ($self) = @_;	1832	my ($self) = @_;
…		…
1235		1847
1236	# the original (read-only) location	1848	# the original (read-only) location
1237	sub load_path {	1849	sub load_path {
1238	my ($self) = @_;	1850	my ($self) = @_;
1239		1851
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1852	"$MAPDIR/$self->{path}.map"
1241	}	1853	}
1242		1854
1243	# the temporary/swap location	1855	# the temporary/swap location
1244	sub save_path {	1856	sub save_path {
1245	my ($self) = @_;	1857	my ($self) = @_;
1246		1858
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1860	"$TMPDIR/$path.map"
1249	}	1861	}
1250		1862
1251	# the unique path, undef == no special unique path	1863	# the unique path, undef == no special unique path
1252	sub uniq_path {	1864	sub uniq_path {
1253	my ($self) = @_;	1865	my ($self) = @_;
1254		1866
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1868	"$UNIQUEDIR/$path"
1257	}	1869	}
1258		1870
1259	# and all this just because we cannot iterate over	1871	# and all this just because we cannot iterate over
1260	# all maps in C++...	1872	# all maps in C++...
1261	sub change_all_map_light {	1873	sub change_all_map_light {
…		…
1263		1875
1264	$_->change_map_light ($change)	1876	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1877	for grep $_->outdoor, values %cf::MAP;
1266	}	1878	}
1267		1879
		1880	sub decay_objects {
		1881	my ($self) = @_;
		1882
		1883	return if $self->{deny_reset};
		1884
		1885	$self->do_decay_objects;
		1886	}
		1887
1268	sub unlink_save {	1888	sub unlink_save {
1269	my ($self) = @_;	1889	my ($self) = @_;
1270		1890
1271	utf8::encode (my $save = $self->save_path);	1891	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1892	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1895
1276	sub load_header_from($) {	1896	sub load_header_from($) {
1277	my ($self, $path) = @_;	1897	my ($self, $path) = @_;
1278		1898
1279	utf8::encode $path;	1899	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1900	my $f = new_from_file cf::object::thawer $path
1281	or return;	1901	or return;
1282		1902
1283	$self->_load_header ($path)	1903	$self->_load_header ($f)
1284	or return;	1904	or return;
1285		1905
		1906	local $MAP_LOADING{$self->{path}} = $self;
		1907	$f->resolve_delayed_derefs;
		1908
1286	$self->{load_path} = $path;	1909	$self->{load_path} = $path;
1287		1910
1288	1	1911	1
1289	}	1912	}
1290		1913
1291	sub load_orig {	1914	sub load_header_orig {
1292	my ($self) = @_;	1915	my ($self) = @_;
1293		1916
1294	$self->load_header_from ($self->load_path)	1917	$self->load_header_from ($self->load_path)
1295	}	1918	}
1296		1919
1297	sub load_temp {	1920	sub load_header_temp {
1298	my ($self) = @_;	1921	my ($self) = @_;
1299		1922
1300	$self->load_header_from ($self->save_path)	1923	$self->load_header_from ($self->save_path)
		1924	}
		1925
		1926	sub prepare_temp {
		1927	my ($self) = @_;
		1928
		1929	$self->last_access ((delete $self->{last_access})
		1930	|| $cf::RUNTIME); #d#
		1931	# safety
		1932	$self->{instantiate_time} = $cf::RUNTIME
		1933	if $self->{instantiate_time} > $cf::RUNTIME;
		1934	}
		1935
		1936	sub prepare_orig {
		1937	my ($self) = @_;
		1938
		1939	$self->{load_original} = 1;
		1940	$self->{instantiate_time} = $cf::RUNTIME;
		1941	$self->last_access ($cf::RUNTIME);
		1942	$self->instantiate;
1301	}	1943	}
1302		1944
1303	sub load_header {	1945	sub load_header {
1304	my ($self) = @_;	1946	my ($self) = @_;
1305		1947
1306	if ($self->load_temp) {	1948	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	1949	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	1950	} else {
1313	$self->load_orig	1951	$self->load_header_orig
1314	or return;	1952	or return;
1315		1953	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	1954	}
		1955
		1956	$self->{deny_reset} = 1
		1957	if $self->no_reset;
		1958
		1959	$self->default_region (cf::region::find_by_path $self->{path})
		1960	unless $self->default_region;
1321		1961
1322	1	1962	1
1323	}	1963	}
1324		1964
1325	sub find;	1965	sub find;
1326	sub find {	1966	sub find {
1327	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1328		1968
1329	$path = normalise $path, $origin && $origin->path;	1969	$path = normalise $path, $origin && $origin->path;
1330		1970
		1971	cf::lock_wait "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	1972	cf::lock_wait "map_find:$path";
1332		1973
1333	$cf::MAP{$path} || do {	1974	$cf::MAP{$path} || do {
1334	my $guard = cf::lock_acquire "map_find:$path";	1975	my $guard1 = cf::lock_acquire "map_find:$path";
		1976	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1977
1335	my $map = new_from_path cf::map $path	1978	my $map = new_from_path cf::map $path
1336	or return;	1979	or return;
1337		1980
1338	$map->{last_save} = $cf::RUNTIME;	1981	$map->{last_save} = $cf::RUNTIME;
1339		1982
1340	$map->load_header	1983	$map->load_header
1341	or return;	1984	or return;
1342		1985
1343	if ($map->should_reset) {	1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1987	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	1988	#$cf::WAIT_FOR_TICK->wait;
		1989	undef $guard1;
		1990	undef $guard2;
1345	$map->reset;	1991	$map->reset;
1346	undef $guard;
1347	$map = find $path	1992	return find $path;
1348	or return;
1349	}	1993	}
1350		1994
1351	$cf::MAP{$path} = $map	1995	$cf::MAP{$path} = $map
1352	}	1996	}
1353	}	1997	}
		1998
		1999	sub pre_load { }
		2000	sub post_load { }
1354		2001
1355	sub load {	2002	sub load {
1356	my ($self) = @_;	2003	my ($self) = @_;
1357		2004
		2005	local $self->{deny_reset} = 1; # loading can take a long time
		2006
1358	my $path = $self->{path};	2007	my $path = $self->{path};
		2008
		2009	{
1359	my $guard = cf::lock_acquire "map_load:$path";	2010	my $guard = cf::lock_acquire "map_data:$path";
1360		2011
		2012	return unless $self->valid;
1361	return if $self->in_memory != cf::MAP_SWAPPED;	2013	return unless $self->in_memory == cf::MAP_SWAPPED;
1362		2014
1363	$self->in_memory (cf::MAP_LOADING);	2015	$self->in_memory (cf::MAP_LOADING);
1364		2016
1365	$self->alloc;	2017	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)	2018
		2019	$self->pre_load;
		2020	cf::cede_to_tick;
		2021
		2022	my $f = new_from_file cf::object::thawer $self->{load_path};
		2023	$f->skip_block;
		2024	$self->_load_objects ($f)
1367	or return;	2025	or return;
1368		2026
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1370	if delete $self->{load_original};	2028	if delete $self->{load_original};
1371		2029
1372	if (my $uniq = $self->uniq_path) {	2030	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	2031	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	2032	unless (aio_stat $uniq) {
		2033	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	2034	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	2035	$self->_load_objects ($f);
		2036	$f->resolve_delayed_derefs;
		2037	}
1377	}	2038	}
1378	}	2039	}
1379		2040
1380	Coro::cede;	2041	$f->resolve_delayed_derefs;
1381		2042
		2043	cf::cede_to_tick;
1382	# now do the right thing for maps	2044	# now do the right thing for maps
1383	$self->link_multipart_objects;	2045	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;
1390	$self->set_darkness_map;
1391	$self->difficulty ($self->estimate_difficulty)	2046	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	2047	unless $self->difficulty;
1393	Coro::cede;	2048	cf::cede_to_tick;
		2049
		2050	unless ($self->{deny_activate}) {
		2051	$self->decay_objects;
		2052	$self->fix_auto_apply;
		2053	$self->update_buttons;
		2054	cf::cede_to_tick;
		2055	$self->set_darkness_map;
		2056	cf::cede_to_tick;
1394	$self->activate;	2057	$self->activate;
1395	}	2058	}
1396		2059
		2060	$self->{last_save} = $cf::RUNTIME;
		2061	$self->last_access ($cf::RUNTIME);
		2062
1397	$self->in_memory (cf::MAP_IN_MEMORY);	2063	$self->in_memory (cf::MAP_IN_MEMORY);
		2064	}
		2065
		2066	$self->post_load;
1398	}	2067	}
1399		2068
1400	sub customise_for {	2069	sub customise_for {
1401	my ($self, $ob) = @_;	2070	my ($self, $ob) = @_;
1402		2071
1403	return find "~" . $ob->name . "/" . $self->{path}	2072	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	2073	if $self->per_player;
1405		2074
		2075	# return find "?party/" . $ob->name . "/" . $self->{path}
		2076	# if $self->per_party;
		2077
1406	$self	2078	$self
1407	}	2079	}
1408		2080
1409	# find and load all maps in the 3x3 area around a map	2081	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {	2082	sub load_neighbours {
1411	my ($map) = @_;	2083	my ($map) = @_;
1412		2084
1413	my @diag; # diagonal neighbours	2085	my @neigh; # diagonal neighbours
1414		2086
1415	for (0 .. 3) {	2087	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	2088	my $neigh = $map->tile_path ($_)
1417	or next;	2089	or next;
1418	$neigh = find $neigh, $map	2090	$neigh = find $neigh, $map
1419	or next;	2091	or next;
1420	$neigh->load;	2092	$neigh->load;
1421		2093
		2094	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	2097	}
1425		2098
1426	for (@diag) {	2099	for (grep defined $_->[0], @neigh) {
		2100	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	2101	my $neigh = find $path, $origin
1428	or next;	2102	or next;
1429	$neigh->load;	2103	$neigh->load;
1430	}	2104	}
1431	}	2105	}
1432		2106
…		…
1437	}	2111	}
1438		2112
1439	sub do_load_sync {	2113	sub do_load_sync {
1440	my ($map) = @_;	2114	my ($map) = @_;
1441		2115
		2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2117	if $Coro::current == $Coro::main;
		2118
1442	cf::sync_job { $map->load };	2119	cf::sync_job { $map->load };
1443	}	2120	}
1444		2121
1445	our %MAP_PREFETCH;	2122	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	2123	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		2124
1459	sub find_async {	2125	sub find_async {
1460	my ($path, $origin) = @_;	2126	my ($path, $origin, $load) = @_;
1461		2127
1462	$path = normalise $path, $origin && $origin->{path};	2128	$path = normalise $path, $origin && $origin->{path};
1463		2129
1464	if (my $map = $cf::MAP{$path}) {	2130	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2132	}
		2133
		2134	$MAP_PREFETCH{$path} |= $load;
		2135
		2136	$MAP_PREFETCHER ||= cf::async {
		2137	$Coro::current->{desc} = "map prefetcher";
		2138
		2139	while (%MAP_PREFETCH) {
		2140	while (my ($k, $v) = each %MAP_PREFETCH) {
		2141	if (my $map = find $k) {
		2142	$map->load if $v;
		2143	}
		2144
		2145	delete $MAP_PREFETCH{$k};
		2146	}
		2147	}
		2148	undef $MAP_PREFETCHER;
1466	}	2149	};
1467
1468	$MAP_PREFETCH{$path} = 0;
1469	$MAP_PREFETCHER->ready;	2150	$MAP_PREFETCHER->prio (6);
1470		2151
1471	()	2152	()
1472	}	2153	}
1473		2154
1474	sub save {	2155	sub save {
1475	my ($self) = @_;	2156	my ($self) = @_;
1476		2157
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;	2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
1478		2159
1479	$self->{last_save} = $cf::RUNTIME;	2160	$self->{last_save} = $cf::RUNTIME;
1480		2161
1481	return unless $self->dirty;	2162	return unless $self->dirty;
1482		2163
…		…
1488	return if $self->{deny_save};	2169	return if $self->{deny_save};
1489		2170
1490	local $self->{last_access} = $self->last_access;#d#	2171	local $self->{last_access} = $self->last_access;#d#
1491		2172
1492	cf::async {	2173	cf::async {
		2174	$Coro::current->{desc} = "map player save";
1493	$_->contr->save for $self->players;	2175	$_->contr->save for $self->players;
1494	};	2176	};
1495		2177
1496	if ($uniq) {	2178	if ($uniq) {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1505	my ($self) = @_;	2187	my ($self) = @_;
1506		2188
1507	# save first because save cedes	2189	# save first because save cedes
1508	$self->save;	2190	$self->save;
1509		2191
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2192	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2193
1512	return if $self->players;	2194	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;	2195	return if $self->in_memory != cf::MAP_IN_MEMORY;
1514	return if $self->{deny_save};	2196	return if $self->{deny_save};
1515		2197
		2198	$self->in_memory (cf::MAP_SWAPPED);
		2199
		2200	$self->deactivate;
		2201	$_->clear_links_to ($self) for values %cf::MAP;
1516	$self->clear;	2202	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2203	}
1519		2204
1520	sub reset_at {	2205	sub reset_at {
1521	my ($self) = @_;	2206	my ($self) = @_;
1522		2207
1523	# TODO: safety, remove and allow resettable per-player maps	2208	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2209	return 1e99 if $self->{deny_reset};
1526		2210
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2211	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2212	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2213
…		…
1540	my ($self) = @_;	2224	my ($self) = @_;
1541		2225
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2227
1544	return if $self->players;	2228	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2229
1547	warn "resetting map ", $self->path;#d#	2230	warn "resetting map ", $self->path;
		2231
		2232	$self->in_memory (cf::MAP_SWAPPED);
		2233
		2234	# need to save uniques path
		2235	unless ($self->{deny_save}) {
		2236	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2237
		2238	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2239	if $uniq;
		2240	}
1548		2241
1549	delete $cf::MAP{$self->path};	2242	delete $cf::MAP{$self->path};
1550		2243
1551	$self->in_memory (cf::MAP_SWAPPED);	2244	$self->deactivate;
		2245	$_->clear_links_to ($self) for values %cf::MAP;
1552	$self->clear;	2246	$self->clear;
1553
1554	$_->clear_links_to ($self) for values %cf::MAP;
1555		2247
1556	$self->unlink_save;	2248	$self->unlink_save;
1557	$self->destroy;	2249	$self->destroy;
1558	}	2250	}
1559		2251
1560	my $nuke_counter = "aaaa";	2252	my $nuke_counter = "aaaa";
1561		2253
1562	sub nuke {	2254	sub nuke {
1563	my ($self) = @_;	2255	my ($self) = @_;
1564		2256
		2257	{
		2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2259
1565	delete $cf::MAP{$self->path};	2260	delete $cf::MAP{$self->path};
1566		2261
1567	$self->unlink_save;	2262	$self->unlink_save;
1568		2263
1569	bless $self, "cf::map";	2264	bless $self, "cf::map";
1570	delete $self->{deny_reset};	2265	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2266	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2267	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2269
1575	$cf::MAP{$self->path} = $self;	2270	$cf::MAP{$self->path} = $self;
		2271	}
1576		2272
1577	$self->reset; # polite request, might not happen	2273	$self->reset; # polite request, might not happen
		2274	}
		2275
		2276	=item $maps = cf::map::tmp_maps
		2277
		2278	Returns an arrayref with all map paths of currently instantiated and saved
		2279	maps. May block.
		2280
		2281	=cut
		2282
		2283	sub tmp_maps() {
		2284	[
		2285	map {
		2286	utf8::decode $_;
		2287	/\.map$/
		2288	? normalise $_
		2289	: ()
		2290	} @{ aio_readdir $TMPDIR or [] }
		2291	]
		2292	}
		2293
		2294	=item $maps = cf::map::random_maps
		2295
		2296	Returns an arrayref with all map paths of currently instantiated and saved
		2297	random maps. May block.
		2298
		2299	=cut
		2300
		2301	sub random_maps() {
		2302	[
		2303	map {
		2304	utf8::decode $_;
		2305	/\.map$/
		2306	? normalise "?random/$_"
		2307	: ()
		2308	} @{ aio_readdir $RANDOMDIR or [] }
		2309	]
1578	}	2310	}
1579		2311
1580	=item cf::map::unique_maps	2312	=item cf::map::unique_maps
1581		2313
1582	Returns an arrayref of paths of all shared maps that have	2314	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2315	instantiated unique items. May block.
1584		2316
1585	=cut	2317	=cut
1586		2318
1587	sub unique_maps() {	2319	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2320	[
1589	or return;	2321	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2322	utf8::decode $_;
1595	next if /\.pst$/;
1596	next unless /^$PATH_SEP/o;
1597
1598	s/\.map$//;	2323	/\.map$/
1599	push @paths, $_;	2324	? normalise $_
		2325	: ()
		2326	} @{ aio_readdir $UNIQUEDIR or [] }
1600	}	2327	]
1601
1602	\@paths
1603	}	2328	}
1604		2329
1605	package cf;	2330	package cf;
1606		2331
1607	=back	2332	=back
…		…
1625	map { $_, inv_recursive_ $_->inv } @_	2350	map { $_, inv_recursive_ $_->inv } @_
1626	}	2351	}
1627		2352
1628	sub inv_recursive {	2353	sub inv_recursive {
1629	inv_recursive_ inv $_[0]	2354	inv_recursive_ inv $_[0]
		2355	}
		2356
		2357	=item $ref = $ob->ref
		2358
		2359	creates and returns a persistent reference to an objetc that can be stored as a string.
		2360
		2361	=item $ob = cf::object::deref ($refstring)
		2362
		2363	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2364	even if the object actually exists. May block.
		2365
		2366	=cut
		2367
		2368	sub deref {
		2369	my ($ref) = @_;
		2370
		2371	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2372	my ($uuid, $name) = ($1, $2);
		2373	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2374	or return;
		2375	$pl->ob->uuid eq $uuid
		2376	or return;
		2377
		2378	$pl->ob
		2379	} else {
		2380	warn "$ref: cannot resolve object reference\n";
		2381	undef
		2382	}
1630	}	2383	}
1631		2384
1632	package cf;	2385	package cf;
1633		2386
1634	=back	2387	=back
…		…
1653		2406
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2408
1656	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1658	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1659	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2421	$self->message ($msg, $flags);
		2422	}
1661	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1662	}	2434	}
1663		2435
1664	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1665		2437
1666	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1698	=cut	2470	=cut
1699		2471
1700	sub link_map {	2472	sub link_map {
1701	unless ($LINK_MAP) {	2473	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2474	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2475	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2476	$LINK_MAP->load;
1705	}	2477	}
1706		2478
1707	$LINK_MAP	2479	$LINK_MAP
1708	}	2480	}
…		…
1713	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1714		2486
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2488
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1719		2491
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1721	}	2493	}
1722		2494
1723	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1725		2499
1726	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1727		2501
1728	unless ($map) {	2502	unless ($map) {
1729	# restore original map position	2503	# restore original map position
…		…
1743	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1746		2520
1747	$map->load;	2521	$map->load;
1748	$map->load_diag;	2522	$map->load_neighbours;
1749		2523
1750	return unless $self->contr->active;	2524	return unless $self->contr->active;
1751	$self->activate_recursive;	2525	$self->activate_recursive;
		2526
		2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1752	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1753	}	2529	}
1754		2530
1755	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1756	on_logout => sub {
1757	my ($pl) = @_;
1758		2532
1759	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1760	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1761	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1762	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1763	};	2537	be called at the end of this process.
1764	}
1765	},
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2538
1769	# try to abort aborted map switching on player login :)
1770	# should happen only on crashes
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786
1787	=item $player_object->goto ($path, $x, $y)
1788
1789	=cut	2539	=cut
		2540
		2541	our $GOTOGEN;
1790		2542
1791	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	2544	my ($self, $path, $x, $y, $check, $done) = @_;
		2545
		2546	# do generation counting so two concurrent goto's will be executed in-order
		2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		2548
1794	$self->enter_link;	2549	$self->enter_link;
1795		2550
1796	(async {	2551	(async {
1797	my $map = cf::map::find $path;	2552	$Coro::current->{desc} = "player::goto $path $x $y";
		2553
		2554	# *tag paths override both path and x|y
		2555	if ($path =~ /^\*(.*)$/) {
		2556	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2557	my $ob = $obs[rand @obs];
		2558
		2559	# see if we actually can go there
		2560	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2561	$ob = $obs[rand @obs];
		2562	} else {
		2563	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2564	}
		2565	# else put us there anyways for now #d#
		2566
		2567	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2568	} else {
		2569	($path, $x, $y) = (undef, undef, undef);
		2570	}
		2571	}
		2572
		2573	my $map = eval {
		2574	my $map = defined $path ? cf::map::find $path : undef;
		2575
		2576	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2577	$map = $map->customise_for ($self);
1799		2578	$map = $check->($map) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2579	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2581	}
1804		2582
		2583	$map
		2584	};
		2585
		2586	if ($@) {
		2587	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	LOG llevError | logBacktrace, Carp::longmess $@;
		2589	}
		2590
		2591	if ($gen == $self->{_goto_generation}) {
		2592	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2593	$self->leave_link ($map, $x, $y);
		2594	}
		2595
		2596	$done->() if $done;
1806	})->prio (1);	2597	})->prio (1);
1807	}	2598	}
1808		2599
1809	=item $player_object->enter_exit ($exit_object)	2600	=item $player_object->enter_exit ($exit_object)
1810		2601
…		…
1812		2603
1813	sub parse_random_map_params {	2604	sub parse_random_map_params {
1814	my ($spec) = @_;	2605	my ($spec) = @_;
1815		2606
1816	my $rmp = { # defaults	2607	my $rmp = { # defaults
1817	xsize => -1,	2608	xsize => (cf::rndm 15, 40),
1818	ysize => -1,	2609	ysize => (cf::rndm 15, 40),
		2610	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2611	#layout => string,
1819	};	2612	};
1820		2613
1821	for (split /\n/, $spec) {	2614	for (split /\n/, $spec) {
1822	my ($k, $v) = split /\s+/, $_, 2;	2615	my ($k, $v) = split /\s+/, $_, 2;
1823		2616
…		…
1837	# that depends on the exit object	2630	# that depends on the exit object
1838		2631
1839	my $rmp = parse_random_map_params $exit->msg;	2632	my $rmp = parse_random_map_params $exit->msg;
1840		2633
1841	if ($exit->map) {	2634	if ($exit->map) {
1842	$rmp->{region} = $exit->map->region_name;	2635	$rmp->{region} = $exit->region->name;
1843	$rmp->{origin_map} = $exit->map->path;	2636	$rmp->{origin_map} = $exit->map->path;
1844	$rmp->{origin_x} = $exit->x;	2637	$rmp->{origin_x} = $exit->x;
1845	$rmp->{origin_y} = $exit->y;	2638	$rmp->{origin_y} = $exit->y;
1846	}	2639	}
1847		2640
1848	$rmp->{random_seed} ||= $exit->random_seed;	2641	$rmp->{random_seed} ||= $exit->random_seed;
1849		2642
1850	my $data = cf::to_json $rmp;	2643	my $data = cf::encode_json $rmp;
1851	my $md5 = Digest::MD5::md5_hex $data;	2644	my $md5 = Digest::MD5::md5_hex $data;
1852	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2645	my $meta = "$RANDOMDIR/$md5.meta";
1853		2646
1854	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1855	aio_write $fh, 0, (length $data), $data, 0;	2648	aio_write $fh, 0, (length $data), $data, 0;
1856	undef $fh;	2649	undef $fh;
1857	aio_rename "$meta~", $meta;	2650	aio_rename "$meta~", $meta;
…		…
1864	sub cf::object::player::enter_exit {	2657	sub cf::object::player::enter_exit {
1865	my ($self, $exit) = @_;	2658	my ($self, $exit) = @_;
1866		2659
1867	return unless $self->type == cf::PLAYER;	2660	return unless $self->type == cf::PLAYER;
1868		2661
		2662	if ($exit->slaying eq "/!") {
		2663	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2664	# the problem is that $exit might not survive long enough
		2665	# so it needs to be done right now, right here
		2666	cf::sync_job { prepare_random_map $exit };
		2667	}
		2668
		2669	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2670	my $hp = $exit->stats->hp;
		2671	my $sp = $exit->stats->sp;
		2672
1869	$self->enter_link;	2673	$self->enter_link;
1870		2674
		2675	# if exit is damned, update players death & WoR home-position
		2676	$self->contr->savebed ($slaying, $hp, $sp)
		2677	if $exit->flag (FLAG_DAMNED);
		2678
1871	(async {	2679	(async {
		2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2681
1872	$self->deactivate_recursive; # just to be sure	2682	$self->deactivate_recursive; # just to be sure
1873	unless (eval {	2683	unless (eval {
1874	prepare_random_map $exit	2684	$self->goto ($slaying, $hp, $sp);
1875	if $exit->slaying eq "/!";
1876
1877	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1878	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1879		2685
1880	1;	2686	1;
1881	}) {	2687	}) {
1882	$self->message ("Something went wrong deep within the crossfire server. "	2688	$self->message ("Something went wrong deep within the crossfire server. "
1883	. "I'll try to bring you back to the map you were before. "	2689	. "I'll try to bring you back to the map you were before. "
1884	. "Please report this to the dungeon master!",	2690	. "Please report this to the dungeon master!",
1885	cf::NDI_UNIQUE | cf::NDI_RED);	2691	cf::NDI_UNIQUE | cf::NDI_RED);
1886		2692
1887	warn "ERROR in enter_exit: $@";	2693	warn "ERROR in enter_exit: $@";
1888	$self->leave_link;	2694	$self->leave_link;
1889	}	2695	}
1890	})->prio (1);	2696	})->prio (1);
…		…
1903		2709
1904	sub cf::client::send_drawinfo {	2710	sub cf::client::send_drawinfo {
1905	my ($self, $text, $flags) = @_;	2711	my ($self, $text, $flags) = @_;
1906		2712
1907	utf8::encode $text;	2713	utf8::encode $text;
1908	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2714	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1909	}	2715	}
1910		2716
		2717	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2718
		2719	Send a drawinfo or msg packet to the client, formatting the msg for the
		2720	client if neccessary. C<$type> should be a string identifying the type of
		2721	the message, with C<log> being the default. If C<$color> is negative, suppress
		2722	the message unless the client supports the msg packet.
		2723
		2724	=cut
		2725
		2726	# non-persistent channels (usually the info channel)
		2727	our %CHANNEL = (
		2728	"c/identify" => {
		2729	id => "infobox",
		2730	title => "Identify",
		2731	reply => undef,
		2732	tooltip => "Items recently identified",
		2733	},
		2734	"c/examine" => {
		2735	id => "infobox",
		2736	title => "Examine",
		2737	reply => undef,
		2738	tooltip => "Signs and other items you examined",
		2739	},
		2740	"c/book" => {
		2741	id => "infobox",
		2742	title => "Book",
		2743	reply => undef,
		2744	tooltip => "The contents of a note or book",
		2745	},
		2746	"c/lookat" => {
		2747	id => "infobox",
		2748	title => "Look",
		2749	reply => undef,
		2750	tooltip => "What you saw there",
		2751	},
		2752	"c/who" => {
		2753	id => "infobox",
		2754	title => "Players",
		2755	reply => undef,
		2756	tooltip => "Shows players who are currently online",
		2757	},
		2758	"c/body" => {
		2759	id => "infobox",
		2760	title => "Body Parts",
		2761	reply => undef,
		2762	tooltip => "Shows which body parts you posess and are available",
		2763	},
		2764	"c/uptime" => {
		2765	id => "infobox",
		2766	title => "Uptime",
		2767	reply => undef,
		2768	tooltip => "How long the server has been running since last restart",
		2769	},
		2770	"c/mapinfo" => {
		2771	id => "infobox",
		2772	title => "Map Info",
		2773	reply => undef,
		2774	tooltip => "Information related to the maps",
		2775	},
		2776	);
		2777
		2778	sub cf::client::send_msg {
		2779	my ($self, $channel, $msg, $color, @extra) = @_;
		2780
		2781	$msg = $self->pl->expand_cfpod ($msg);
		2782
		2783	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2784
		2785	# check predefined channels, for the benefit of C
		2786	if ($CHANNEL{$channel}) {
		2787	$channel = $CHANNEL{$channel};
		2788
		2789	$self->ext_msg (channel_info => $channel)
		2790	if $self->can_msg;
		2791
		2792	$channel = $channel->{id};
		2793
		2794	} elsif (ref $channel) {
		2795	# send meta info to client, if not yet sent
		2796	unless (exists $self->{channel}{$channel->{id}}) {
		2797	$self->{channel}{$channel->{id}} = $channel;
		2798	$self->ext_msg (channel_info => $channel)
		2799	if $self->can_msg;
		2800	}
		2801
		2802	$channel = $channel->{id};
		2803	}
		2804
		2805	return unless @extra || length $msg;
		2806
		2807	if ($self->can_msg) {
		2808	# default colour, mask it out
		2809	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2810	if $color & cf::NDI_DEF;
		2811
		2812	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2813	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2814	} else {
		2815	if ($color >= 0) {
		2816	# replace some tags by gcfclient-compatible ones
		2817	for ($msg) {
		2818	1 while
		2819	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2820	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2821	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2822	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2823	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2824	}
		2825
		2826	$color &= cf::NDI_COLOR_MASK;
		2827
		2828	utf8::encode $msg;
		2829
		2830	if (0 && $msg =~ /\[/) {
		2831	# COMMAND/INFO
		2832	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2833	} else {
		2834	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2835	$self->send_packet ("drawinfo $color $msg")
		2836	}
		2837	}
		2838	}
		2839	}
		2840
		2841	=item $client->ext_msg ($type, @msg)
		2842
		2843	Sends an ext event to the client.
		2844
		2845	=cut
		2846
		2847	sub cf::client::ext_msg($$@) {
		2848	my ($self, $type, @msg) = @_;
		2849
		2850	if ($self->extcmd == 2) {
		2851	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2852	} elsif ($self->extcmd == 1) { # TODO: remove
		2853	push @msg, msgtype => "event_$type";
		2854	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2855	}
		2856	}
		2857
		2858	=item $client->ext_reply ($msgid, @msg)
		2859
		2860	Sends an ext reply to the client.
		2861
		2862	=cut
		2863
		2864	sub cf::client::ext_reply($$@) {
		2865	my ($self, $id, @msg) = @_;
		2866
		2867	if ($self->extcmd == 2) {
		2868	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2869	} elsif ($self->extcmd == 1) {
		2870	#TODO: version 1, remove
		2871	unshift @msg, msgtype => "reply", msgid => $id;
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2873	}
		2874	}
1911		2875
1912	=item $success = $client->query ($flags, "text", \&cb)	2876	=item $success = $client->query ($flags, "text", \&cb)
1913		2877
1914	Queues a query to the client, calling the given callback with	2878	Queues a query to the client, calling the given callback with
1915	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2879	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1916	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2880	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1917		2881
1918	Queries can fail, so check the return code. Or don't, as queries will become	2882	Queries can fail, so check the return code. Or don't, as queries will
1919	reliable at some point in the future.	2883	become reliable at some point in the future.
1920		2884
1921	=cut	2885	=cut
1922		2886
1923	sub cf::client::query {	2887	sub cf::client::query {
1924	my ($self, $flags, $text, $cb) = @_;	2888	my ($self, $flags, $text, $cb) = @_;
…		…
1932	utf8::encode $text;	2896	utf8::encode $text;
1933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2897	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1934		2898
1935	$self->send_packet ($self->{query_queue}[0][0])	2899	$self->send_packet ($self->{query_queue}[0][0])
1936	if @{ $self->{query_queue} } == 1;	2900	if @{ $self->{query_queue} } == 1;
		2901
		2902	1
1937	}	2903	}
1938		2904
1939	cf::client->attach (	2905	cf::client->attach (
		2906	on_connect => sub {
		2907	my ($ns) = @_;
		2908
		2909	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2910	},
1940	on_reply => sub {	2911	on_reply => sub {
1941	my ($ns, $msg) = @_;	2912	my ($ns, $msg) = @_;
1942		2913
1943	# this weird shuffling is so that direct followup queries	2914	# this weird shuffling is so that direct followup queries
1944	# get handled first	2915	# get handled first
1945	my $queue = delete $ns->{query_queue}	2916	my $queue = delete $ns->{query_queue}
1946	or return; # be conservative, not sure how that can happen, but we saw a crash here	2917	or return; # be conservative, not sure how that can happen, but we saw a crash here
1947		2918
1948	(shift @$queue)->[1]->($msg);	2919	(shift @$queue)->[1]->($msg);
		2920	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1949		2921
1950	push @{ $ns->{query_queue} }, @$queue;	2922	push @{ $ns->{query_queue} }, @$queue;
1951		2923
1952	if (@{ $ns->{query_queue} } == @$queue) {	2924	if (@{ $ns->{query_queue} } == @$queue) {
1953	if (@$queue) {	2925	if (@$queue) {
…		…
1955	} else {	2927	} else {
1956	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2928	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1957	}	2929	}
1958	}	2930	}
1959	},	2931	},
		2932	on_exticmd => sub {
		2933	my ($ns, $buf) = @_;
		2934
		2935	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2936
		2937	if (ref $msg) {
		2938	my ($type, $reply, @payload) =
		2939	"ARRAY" eq ref $msg
		2940	? @$msg
		2941	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2942
		2943	my @reply;
		2944
		2945	if (my $cb = $EXTICMD{$type}) {
		2946	@reply = $cb->($ns, @payload);
		2947	}
		2948
		2949	$ns->ext_reply ($reply, @reply)
		2950	if $reply;
		2951
		2952	} else {
		2953	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2954	}
		2955
		2956	cf::override;
		2957	},
1960	);	2958	);
1961		2959
1962	=item $client->async (\&cb)	2960	=item $client->async (\&cb)
1963		2961
1964	Create a new coroutine, running the specified callback. The coroutine will	2962	Create a new coroutine, running the specified callback. The coroutine will
…		…
2005	our $safe = new Safe "safe";	3003	our $safe = new Safe "safe";
2006	our $safe_hole = new Safe::Hole;	3004	our $safe_hole = new Safe::Hole;
2007		3005
2008	$SIG{FPE} = 'IGNORE';	3006	$SIG{FPE} = 'IGNORE';
2009		3007
2010	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3008	$safe->permit_only (Opcode::opset qw(
		3009	:base_core :base_mem :base_orig :base_math
		3010	grepstart grepwhile mapstart mapwhile
		3011	sort time
		3012	));
2011		3013
2012	# here we export the classes and methods available to script code	3014	# here we export the classes and methods available to script code
2013		3015
2014	=pod	3016	=pod
2015		3017
2016	The following fucntions and emthods are available within a safe environment:	3018	The following functions and methods are available within a safe environment:
2017		3019
2018	cf::object contr pay_amount pay_player map	3020	cf::object
		3021	contr pay_amount pay_player map x y force_find force_add destroy
		3022	insert remove name archname title slaying race decrease_ob_nr
		3023
2019	cf::object::player player	3024	cf::object::player
2020	cf::player peaceful	3025	player
2021	cf::map trigger	3026
		3027	cf::player
		3028	peaceful
		3029
		3030	cf::map
		3031	trigger
2022		3032
2023	=cut	3033	=cut
2024		3034
2025	for (	3035	for (
2026	["cf::object" => qw(contr pay_amount pay_player map)],	3036	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3037	insert remove inv name archname title slaying race
		3038	decrease_ob_nr destroy)],
2027	["cf::object::player" => qw(player)],	3039	["cf::object::player" => qw(player)],
2028	["cf::player" => qw(peaceful)],	3040	["cf::player" => qw(peaceful)],
2029	["cf::map" => qw(trigger)],	3041	["cf::map" => qw(trigger)],
2030	) {	3042	) {
2031	no strict 'refs';	3043	no strict 'refs';
…		…
2102	=back	3114	=back
2103		3115
2104	=cut	3116	=cut
2105		3117
2106	#############################################################################	3118	#############################################################################
		3119	# the server's init and main functions
2107		3120
2108	=head2 EXTENSION DATABASE SUPPORT	3121	sub load_facedata($) {
		3122	my ($path) = @_;
2109		3123
2110	Crossfire maintains a very simple database for extension use. It can	3124	# HACK to clear player env face cache, we need some signal framework
2111	currently store anything that can be serialised using Storable, which	3125	# for this (global event?)
2112	excludes objects.	3126	%ext::player_env::MUSIC_FACE_CACHE = ();
2113		3127
2114	The parameter C<$family> should best start with the name of the extension	3128	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2115	using it, it should be unique.
2116		3129
2117	=over 4	3130	warn "loading facedata from $path\n";
2118		3131
2119	=item $hashref = cf::db_get $family	3132	my $facedata;
		3133	0 < aio_load $path, $facedata
		3134	or die "$path: $!";
2120		3135
2121	Return a hashref for use by the extension C<$family>, which can be	3136	$facedata = Coro::Storable::thaw $facedata;
2122	modified. After modifications, you have to call C<cf::db_dirty> or
2123	C<cf::db_sync>.
2124		3137
2125	=item $value = cf::db_get $family => $key	3138	$facedata->{version} == 2
		3139	or cf::cleanup "$path: version mismatch, cannot proceed.";
2126		3140
2127	Returns a single value from the database	3141	# patch in the exptable
2128		3142	$facedata->{resource}{"res/exp_table"} = {
2129	=item cf::db_put $family => $hashref	3143	type => FT_RSRC,
2130		3144	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2131	Stores the given family hashref into the database. Updates are delayed, if
2132	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2133
2134	=item cf::db_put $family => $key => $value
2135
2136	Stores the given C<$value> in the family hash. Updates are delayed, if you
2137	want the data to be synced to disk immediately, use C<cf::db_sync>.
2138
2139	=item cf::db_dirty
2140
2141	Marks the database as dirty, to be updated at a later time.
2142
2143	=item cf::db_sync
2144
2145	Immediately write the database to disk I<if it is dirty>.
2146
2147	=cut
2148
2149	our $DB;
2150
2151	{
2152	my $path = cf::localdir . "/database.pst";
2153
2154	sub db_load() {
2155	$DB = stat $path ? Storable::retrieve $path : { };
2156	}
2157
2158	my $pid;
2159
2160	sub db_save() {
2161	waitpid $pid, 0 if $pid;
2162	if (0 == ($pid = fork)) {
2163	$DB->{_meta}{version} = 1;
2164	Storable::nstore $DB, "$path~";
2165	rename "$path~", $path;
2166	cf::_exit 0 if defined $pid;
2167	}
2168	}
2169
2170	my $dirty;
2171
2172	sub db_sync() {
2173	db_save if $dirty;
2174	undef $dirty;
2175	}
2176
2177	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2178	db_sync;
2179	});	3145	};
		3146	cf::cede_to_tick;
2180		3147
2181	sub db_dirty() {
2182	$dirty = 1;
2183	$idle->start;
2184	}	3148	{
		3149	my $faces = $facedata->{faceinfo};
2185		3150
2186	sub db_get($;$) {	3151	while (my ($face, $info) = each %$faces) {
2187	@_ >= 2	3152	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2188	? $DB->{$_[0]}{$_[1]}	3153	cf::face::set_visibility $idx, $info->{visibility};
2189	: ($DB->{$_[0]} ||= { })	3154	cf::face::set_magicmap $idx, $info->{magicmap};
2190	}	3155	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3156	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2191		3157
2192	sub db_put($$;$) {	3158	cf::cede_to_tick;
2193	if (@_ >= 3) {
2194	$DB->{$_[0]}{$_[1]} = $_[2];
2195	} else {
2196	$DB->{$_[0]} = $_[1];
2197	}
2198	db_dirty;
2199	}
2200
2201	cf::global->attach (
2202	prio => 10000,
2203	on_cleanup => sub {
2204	db_sync;
2205	},	3159	}
2206	);
2207	}
2208		3160
2209	#############################################################################	3161	while (my ($face, $info) = each %$faces) {
2210	# the server's main()	3162	next unless $info->{smooth};
		3163	my $idx = cf::face::find $face
		3164	or next;
		3165	if (my $smooth = cf::face::find $info->{smooth}) {
		3166	cf::face::set_smooth $idx, $smooth;
		3167	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3168	} else {
		3169	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3170	}
2211		3171
2212	sub cfg_load {	3172	cf::cede_to_tick;
		3173	}
		3174	}
		3175
		3176	{
		3177	my $anims = $facedata->{animinfo};
		3178
		3179	while (my ($anim, $info) = each %$anims) {
		3180	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3181	cf::cede_to_tick;
		3182	}
		3183
		3184	cf::anim::invalidate_all; # d'oh
		3185	}
		3186
		3187	{
		3188	# TODO: for gcfclient pleasure, we should give resources
		3189	# that gcfclient doesn't grok a >10000 face index.
		3190	my $res = $facedata->{resource};
		3191
		3192	my $soundconf = delete $res->{"res/sound.conf"};
		3193
		3194	while (my ($name, $info) = each %$res) {
		3195	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3196	my $data;
		3197
		3198	if ($info->{type} & 1) {
		3199	# prepend meta info
		3200
		3201	my $meta = $enc->encode ({
		3202	name => $name,
		3203	%{ $info->{meta} || {} },
		3204	});
		3205
		3206	$data = pack "(w/a*)*", $meta, $info->{data};
		3207	} else {
		3208	$data = $info->{data};
		3209	}
		3210
		3211	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3212	cf::face::set_type $idx, $info->{type};
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216
		3217	if ($soundconf) {
		3218	$soundconf = $enc->decode (delete $soundconf->{data});
		3219
		3220	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3221	my $sound = $soundconf->{compat}[$_]
		3222	or next;
		3223
		3224	my $face = cf::face::find "sound/$sound->[1]";
		3225	cf::sound::set $sound->[0] => $face;
		3226	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3227	}
		3228
		3229	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3230	my $face = cf::face::find "sound/$v";
		3231	cf::sound::set $k => $face;
		3232	}
		3233	}
		3234	}
		3235
		3236	1
		3237	}
		3238
		3239	register_exticmd fx_want => sub {
		3240	my ($ns, $want) = @_;
		3241
		3242	while (my ($k, $v) = each %$want) {
		3243	$ns->fx_want ($k, $v);
		3244	}
		3245	};
		3246
		3247	sub reload_regions {
		3248	# HACK to clear player env face cache, we need some signal framework
		3249	# for this (global event?)
		3250	%ext::player_env::MUSIC_FACE_CACHE = ();
		3251
		3252	load_resource_file "$MAPDIR/regions"
		3253	or die "unable to load regions file\n";
		3254
		3255	for (cf::region::list) {
		3256	$_->{match} = qr/$_->{match}/
		3257	if exists $_->{match};
		3258	}
		3259	}
		3260
		3261	sub reload_facedata {
		3262	load_facedata "$DATADIR/facedata"
		3263	or die "unable to load facedata\n";
		3264	}
		3265
		3266	sub reload_archetypes {
		3267	load_resource_file "$DATADIR/archetypes"
		3268	or die "unable to load archetypes\n";
		3269	#d# NEED to laod twice to resolve forward references
		3270	# this really needs to be done in an extra post-pass
		3271	# (which needs to be synchronous, so solve it differently)
		3272	load_resource_file "$DATADIR/archetypes"
		3273	or die "unable to load archetypes\n";
		3274	}
		3275
		3276	sub reload_treasures {
		3277	load_resource_file "$DATADIR/treasures"
		3278	or die "unable to load treasurelists\n";
		3279	}
		3280
		3281	sub reload_resources {
		3282	warn "reloading resource files...\n";
		3283
		3284	reload_regions;
		3285	reload_facedata;
		3286	#reload_archetypes;#d#
		3287	reload_archetypes;
		3288	reload_treasures;
		3289
		3290	warn "finished reloading resource files\n";
		3291	}
		3292
		3293	sub init {
		3294	reload_resources;
		3295	}
		3296
		3297	sub reload_config {
2213	open my $fh, "<:utf8", cf::confdir . "/config"	3298	open my $fh, "<:utf8", "$CONFDIR/config"
2214	or return;	3299	or return;
2215		3300
2216	local $/;	3301	local $/;
2217	*CFG = YAML::Syck::Load <$fh>;	3302	*CFG = YAML::Syck::Load <$fh>;
2218		3303
…		…
2233	sub main {	3318	sub main {
2234	# we must not ever block the main coroutine	3319	# we must not ever block the main coroutine
2235	local $Coro::idle = sub {	3320	local $Coro::idle = sub {
2236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3321	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2237	(async {	3322	(async {
2238	Event::one_event;	3323	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3324	EV::loop EV::LOOP_ONESHOT;
2239	})->prio (Coro::PRIO_MAX);	3325	})->prio (Coro::PRIO_MAX);
2240	};	3326	};
2241		3327
2242	cfg_load;	3328	reload_config;
2243	db_load;	3329	db_init;
2244	load_extensions;	3330	load_extensions;
		3331
		3332	$TICK_WATCHER->start;
		3333	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2245	Event::loop;	3334	EV::loop;
2246	}	3335	}
2247		3336
2248	#############################################################################	3337	#############################################################################
2249	# initialisation and cleanup	3338	# initialisation and cleanup
2250		3339
2251	# install some emergency cleanup handlers	3340	# install some emergency cleanup handlers
2252	BEGIN {	3341	BEGIN {
		3342	our %SIGWATCHER = ();
2253	for my $signal (qw(INT HUP TERM)) {	3343	for my $signal (qw(INT HUP TERM)) {
2254	Event->signal (	3344	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2255	data => WF_AUTOCANCEL,
2256	signal => $signal,
2257	cb => sub {
2258	cf::cleanup "SIG$signal";	3345	cf::cleanup "SIG$signal";
2259	},
2260	);	3346	};
		3347	}
		3348	}
		3349
		3350	sub write_runtime {
		3351	my $runtime = "$LOCALDIR/runtime";
		3352
		3353	# first touch the runtime file to show we are still running:
		3354	# the fsync below can take a very very long time.
		3355
		3356	IO::AIO::aio_utime $runtime, undef, undef;
		3357
		3358	my $guard = cf::lock_acquire "write_runtime";
		3359
		3360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3361	or return;
		3362
		3363	my $value = $cf::RUNTIME + 90 + 10;
		3364	# 10 is the runtime save interval, for a monotonic clock
		3365	# 60 allows for the watchdog to kill the server.
		3366
		3367	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3368	and return;
		3369
		3370	# always fsync - this file is important
		3371	aio_fsync $fh
		3372	and return;
		3373
		3374	# touch it again to show we are up-to-date
		3375	aio_utime $fh, undef, undef;
		3376
		3377	close $fh
		3378	or return;
		3379
		3380	aio_rename "$runtime~", $runtime
		3381	and return;
		3382
		3383	warn "runtime file written.\n";
		3384
2261	}	3385	1
2262	}	3386	}
2263		3387
2264	sub emergency_save() {	3388	sub emergency_save() {
2265	my $freeze_guard = cf::freeze_mainloop;	3389	my $freeze_guard = cf::freeze_mainloop;
2266		3390
…		…
2272	# and maps saved/destroyed asynchronously.	3396	# and maps saved/destroyed asynchronously.
2273	warn "begin emergency player save\n";	3397	warn "begin emergency player save\n";
2274	for my $login (keys %cf::PLAYER) {	3398	for my $login (keys %cf::PLAYER) {
2275	my $pl = $cf::PLAYER{$login} or next;	3399	my $pl = $cf::PLAYER{$login} or next;
2276	$pl->valid or next;	3400	$pl->valid or next;
		3401	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2277	$pl->save;	3402	$pl->save;
2278	}	3403	}
2279	warn "end emergency player save\n";	3404	warn "end emergency player save\n";
2280		3405
2281	warn "begin emergency map save\n";	3406	warn "begin emergency map save\n";
…		…
2283	my $map = $cf::MAP{$path} or next;	3408	my $map = $cf::MAP{$path} or next;
2284	$map->valid or next;	3409	$map->valid or next;
2285	$map->save;	3410	$map->save;
2286	}	3411	}
2287	warn "end emergency map save\n";	3412	warn "end emergency map save\n";
		3413
		3414	warn "begin emergency database checkpoint\n";
		3415	BDB::db_env_txn_checkpoint $DB_ENV;
		3416	warn "end emergency database checkpoint\n";
2288	};	3417	};
2289		3418
2290	warn "leave emergency perl save\n";	3419	warn "leave emergency perl save\n";
2291	}	3420	}
2292		3421
		3422	sub post_cleanup {
		3423	my ($make_core) = @_;
		3424
		3425	warn Carp::longmess "post_cleanup backtrace"
		3426	if $make_core;
		3427	}
		3428
2293	sub reload() {	3429	sub do_reload_perl() {
2294	# can/must only be called in main	3430	# can/must only be called in main
2295	if ($Coro::current != $Coro::main) {	3431	if ($Coro::current != $Coro::main) {
2296	warn "can only reload from main coroutine\n";	3432	warn "can only reload from main coroutine";
2297	return;	3433	return;
2298	}	3434	}
2299		3435
2300	warn "reloading...";	3436	warn "reloading...";
2301		3437
2302	warn "freezing server";	3438	warn "entering sync_job";
2303	my $guard = freeze_mainloop;	3439
		3440	cf::sync_job {
		3441	cf::write_runtime; # external watchdog should not bark
2304	cf::emergency_save;	3442	cf::emergency_save;
		3443	cf::write_runtime; # external watchdog should not bark
2305		3444
2306	warn "sync database to disk";	3445	warn "syncing database to disk";
2307	cf::db_sync;	3446	BDB::db_env_txn_checkpoint $DB_ENV;
2308	IO::AIO::flush;
2309		3447
2310	eval {
2311	# if anything goes wrong in here, we should simply crash as we already saved	3448	# if anything goes wrong in here, we should simply crash as we already saved
2312		3449
2313	warn "cancel all watchers";	3450	warn "flushing outstanding aio requests";
2314	for (Event::all_watchers) {	3451	for (;;) {
2315	$_->cancel if $_->data & WF_AUTOCANCEL;	3452	BDB::flush;
		3453	IO::AIO::flush;
		3454	Coro::cede_notself;
		3455	last unless IO::AIO::nreqs || BDB::nreqs;
		3456	warn "iterate...";
2316	}	3457	}
2317		3458
		3459	++$RELOAD;
		3460
2318	warn "cancel all extension coros";	3461	warn "cancelling all extension coros";
2319	$_->cancel for values %EXT_CORO;	3462	$_->cancel for values %EXT_CORO;
2320	%EXT_CORO = ();	3463	%EXT_CORO = ();
2321		3464
2322	warn "remove commands";	3465	warn "removing commands";
2323	%COMMAND = ();	3466	%COMMAND = ();
2324		3467
2325	warn "remove ext commands";	3468	warn "removing ext/exti commands";
2326	%EXTCMD = ();	3469	%EXTCMD = ();
		3470	%EXTICMD = ();
2327		3471
2328	warn "unload/nuke all extensions";	3472	warn "unloading/nuking all extensions";
2329	for my $pkg (@EXTS) {	3473	for my $pkg (@EXTS) {
2330	warn "... unloading $pkg";	3474	warn "... unloading $pkg";
2331		3475
2332	if (my $cb = $pkg->can ("unload")) {	3476	if (my $cb = $pkg->can ("unload")) {
2333	eval {	3477	eval {
…		…
2338		3482
2339	warn "... nuking $pkg";	3483	warn "... nuking $pkg";
2340	Symbol::delete_package $pkg;	3484	Symbol::delete_package $pkg;
2341	}	3485	}
2342		3486
2343	warn "unload all perl modules loaded from $LIBDIR";	3487	warn "unloading all perl modules loaded from $LIBDIR";
2344	while (my ($k, $v) = each %INC) {	3488	while (my ($k, $v) = each %INC) {
2345	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3489	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2346		3490
2347	warn "removing <$k>";	3491	warn "... unloading $k";
2348	delete $INC{$k};	3492	delete $INC{$k};
2349		3493
2350	$k =~ s/\.pm$//;	3494	$k =~ s/\.pm$//;
2351	$k =~ s/\//::/g;	3495	$k =~ s/\//::/g;
2352		3496
…		…
2355	}	3499	}
2356		3500
2357	Symbol::delete_package $k;	3501	Symbol::delete_package $k;
2358	}	3502	}
2359		3503
2360	warn "get rid of safe::, as good as possible";	3504	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3505	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3506	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3507
2364	warn "unload cf.pm \"a bit\"";	3508	warn "unloading cf.pm \"a bit\"";
2365	delete $INC{"cf.pm"};	3509	delete $INC{"cf.pm"};
		3510	delete $INC{"cf/pod.pm"};
2366		3511
2367	# don't, removes xs symbols, too,	3512	# don't, removes xs symbols, too,
2368	# and global variables created in xs	3513	# and global variables created in xs
2369	#Symbol::delete_package __PACKAGE__;	3514	#Symbol::delete_package __PACKAGE__;
2370		3515
		3516	warn "unload completed, starting to reload now";
		3517
2371	warn "reloading cf.pm";	3518	warn "reloading cf.pm";
2372	require cf;	3519	require cf;
2373	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3520	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2374		3521
2375	warn "load config and database again";	3522	warn "loading config and database again";
2376	cf::cfg_load;	3523	cf::reload_config;
2377	cf::db_load;
2378		3524
2379	warn "load extensions";	3525	warn "loading extensions";
2380	cf::load_extensions;	3526	cf::load_extensions;
2381		3527
2382	warn "reattach attachments to objects/players";	3528	warn "reattaching attachments to objects/players";
2383	_global_reattach;	3529	_global_reattach; # objects, sockets
2384	warn "reattach attachments to maps";	3530	warn "reattaching attachments to maps";
2385	reattach $_ for values %MAP;	3531	reattach $_ for values %MAP;
2386	};	3532	warn "reattaching attachments to players";
		3533	reattach $_ for values %PLAYER;
2387		3534
2388	if ($@) {	3535	warn "leaving sync_job";
		3536
		3537	1
		3538	} or do {
2389	warn $@;	3539	warn $@;
2390	warn "error while reloading, exiting.";	3540	warn "error while reloading, exiting.";
2391	exit 1;	3541	exit 1;
2392	}	3542	};
2393		3543
2394	warn "reloaded";	3544	warn "reloaded";
2395	};	3545	};
2396		3546
2397	our $RELOAD_WATCHER; # used only during reload	3547	our $RELOAD_WATCHER; # used only during reload
2398		3548
		3549	sub reload_perl() {
		3550	# doing reload synchronously and two reloads happen back-to-back,
		3551	# coro crashes during coro_state_free->destroy here.
		3552
		3553	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3554	undef $RELOAD_WATCHER;
		3555	do_reload_perl;
		3556	};
		3557	}
		3558
2399	register_command "reload" => sub {	3559	register_command "reload" => sub {
2400	my ($who, $arg) = @_;	3560	my ($who, $arg) = @_;
2401		3561
2402	if ($who->flag (FLAG_WIZ)) {	3562	if ($who->flag (FLAG_WIZ)) {
2403	$who->message ("reloading server.");	3563	$who->message ("reloading server.");
2404		3564	async {
2405	# doing reload synchronously and two reloads happen back-to-back,	3565	$Coro::current->{desc} = "perl_reload";
2406	# coro crashes during coro_state_free->destroy here.
2407
2408	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2409	reload;	3566	reload_perl;
2410	undef $RELOAD_WATCHER;
2411	});	3567	};
2412	}	3568	}
2413	};	3569	};
2414		3570
2415	unshift @INC, $LIBDIR;	3571	unshift @INC, $LIBDIR;
2416		3572
2417	$TICK_WATCHER = Event->timer (	3573	my $bug_warning = 0;
2418	reentrant => 0,
2419	prio => 0,
2420	at => $NEXT_TICK || $TICK,
2421	data => WF_AUTOCANCEL,
2422	cb => sub {
2423	$NOW = Event::time;
2424		3574
		3575	our @WAIT_FOR_TICK;
		3576	our @WAIT_FOR_TICK_BEGIN;
		3577
		3578	sub wait_for_tick {
		3579	return unless $TICK_WATCHER->is_active;
		3580	return if $Coro::current == $Coro::main;
		3581
		3582	my $signal = new Coro::Signal;
		3583	push @WAIT_FOR_TICK, $signal;
		3584	$signal->wait;
		3585	}
		3586
		3587	sub wait_for_tick_begin {
		3588	return unless $TICK_WATCHER->is_active;
		3589	return if $Coro::current == $Coro::main;
		3590
		3591	my $signal = new Coro::Signal;
		3592	push @WAIT_FOR_TICK_BEGIN, $signal;
		3593	$signal->wait;
		3594	}
		3595
		3596	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
		3597	if ($Coro::current != $Coro::main) {
		3598	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3599	unless ++$bug_warning > 10;
		3600	return;
		3601	}
		3602
		3603	$NOW = $tick_start = EV::now;
		3604
2425	cf::server_tick; # one server iteration	3605	cf::server_tick; # one server iteration
		3606
2426	$RUNTIME += $TICK;	3607	$RUNTIME += $TICK;
2427	$NEXT_TICK += $TICK;	3608	$NEXT_TICK += $TICK;
2428		3609
2429	$WAIT_FOR_TICK->broadcast;	3610	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2430	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3611	$NEXT_RUNTIME_WRITE = $NOW + 10;
2431		3612	Coro::async_pool {
2432	# if we are delayed by four ticks or more, skip them all	3613	$Coro::current->{desc} = "runtime saver";
2433	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2434
2435	$TICK_WATCHER->at ($NEXT_TICK);
2436	$TICK_WATCHER->start;
2437	},
2438	);
2439
2440	IO::AIO::max_poll_time $TICK * 0.2;
2441
2442	$AIO_POLL_WATCHER = Event->io (
2443	fd => IO::AIO::poll_fileno,
2444	poll => 'r',
2445	prio => 5,
2446	data => WF_AUTOCANCEL,
2447	cb => \&IO::AIO::poll_cb,
2448	);
2449
2450	$WRITE_RUNTIME_WATCHER = Event->timer (
2451	data => WF_AUTOCANCEL,
2452	after => 0,
2453	interval => 10,
2454	cb => sub {
2455	(Coro::unblock_sub {
2456	write_runtime	3614	write_runtime
2457	or warn "ERROR: unable to write runtime file: $!";	3615	or warn "ERROR: unable to write runtime file: $!";
2458	})->();	3616	};
2459	},	3617	}
2460	);	3618
		3619	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3620	$sig->send;
		3621	}
		3622	while (my $sig = shift @WAIT_FOR_TICK) {
		3623	$sig->send;
		3624	}
		3625
		3626	$LOAD = ($NOW - $tick_start) / $TICK;
		3627	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3628
		3629	_post_tick;
		3630	};
		3631	$TICK_WATCHER->priority (EV::MAXPRI);
		3632
		3633	{
		3634	BDB::min_parallel 8;
		3635	BDB::max_poll_time $TICK * 0.1;
		3636	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
		3637
		3638	BDB::set_sync_prepare {
		3639	my $status;
		3640	my $current = $Coro::current;
		3641	(
		3642	sub {
		3643	$status = $!;
		3644	$current->ready; undef $current;
		3645	},
		3646	sub {
		3647	Coro::schedule while defined $current;
		3648	$! = $status;
		3649	},
		3650	)
		3651	};
		3652
		3653	unless ($DB_ENV) {
		3654	$DB_ENV = BDB::db_env_create;
		3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3656	| BDB::LOG_AUTOREMOVE, 1);
		3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3659
		3660	cf::sync_job {
		3661	eval {
		3662	BDB::db_env_open
		3663	$DB_ENV,
		3664	$BDBDIR,
		3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3667	0666;
		3668
		3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3670	};
		3671
		3672	cf::cleanup "db_env_open(db): $@" if $@;
		3673	};
		3674	}
		3675
		3676	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3677	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3678	};
		3679	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3681	};
		3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3684	};
		3685	}
		3686
		3687	{
		3688	IO::AIO::min_parallel 8;
		3689
		3690	undef $Coro::AIO::WATCHER;
		3691	IO::AIO::max_poll_time $TICK * 0.1;
		3692	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
		3693	}
		3694
		3695	my $_log_backtrace;
		3696
		3697	sub _log_backtrace {
		3698	my ($msg, @addr) = @_;
		3699
		3700	$msg =~ s/\n//;
		3701
		3702	# limit the # of concurrent backtraces
		3703	if ($_log_backtrace < 2) {
		3704	++$_log_backtrace;
		3705	async {
		3706	$Coro::current->{desc} = "abt $msg";
		3707
		3708	my @bt = fork_call {
		3709	@addr = map { sprintf "%x", $_ } @addr;
		3710	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3711	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3712	or die "addr2line: $!";
		3713
		3714	my @funcs;
		3715	my @res = <$fh>;
		3716	chomp for @res;
		3717	while (@res) {
		3718	my ($func, $line) = splice @res, 0, 2, ();
		3719	push @funcs, "[$func] $line";
		3720	}
		3721
		3722	@funcs
		3723	};
		3724
		3725	LOG llevInfo, "[ABT] $msg\n";
		3726	LOG llevInfo, "[ABT] $_\n" for @bt;
		3727	--$_log_backtrace;
		3728	};
		3729	} else {
		3730	LOG llevInfo, "[ABT] $msg\n";
		3731	LOG llevInfo, "[ABT] [suppressed]\n";
		3732	}
		3733	}
		3734
		3735	# load additional modules
		3736	use cf::pod;
2461		3737
2462	END { cf::emergency_save }	3738	END { cf::emergency_save }
2463		3739
2464	1	3740	1
2465		3741

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