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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.113 by root, Mon Jan 1 15:32:40 2007 UTC vs.
Revision 1.352 by root, Sun Sep 2 04:57:14 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 Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3;	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
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 ();
		27	use BDB ();
		28	use Data::Dumper;
20	use Digest::MD5;	29	use Digest::MD5;
21	use Fcntl;	30	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.32 ();
24	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
25		36
		37	# configure various modules to our taste
		38	#
		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
		42
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
27		44
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
30		47
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		49
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		51
35	our %COMMAND = ();	52	our %COMMAND = ();
36	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
38		60
		61	our $RELOAD; # number of reloads so far
39	our @EVENT;	62	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		63
42	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	80	our $NEXT_TICK;
45	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
46		86
47	our %CFG;	87	our %CFG;
48		88
49	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	90	our $RUNTIME;
51		91
		92	our %PLAYER; # all users
52	our %MAP; # all maps	93	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;	95
55	our $RANDOM_MAPS = cf::localdir . "/random";	96	# used to convert map paths into valid unix filenames by replacing / by ∕
56	our %EXT_CORO;	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
57		102
58	binmode STDOUT;	103	binmode STDOUT;
59	binmode STDERR;	104	binmode STDERR;
60		105
61	# read virtual server time, if available	106	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
66	}	111	}
67		112
68	mkdir cf::localdir;	113	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		115
74	# a special map that is always available	116	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		117
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	118	sub cf::map::normalise;
78		119
79	#############################################################################	120	#############################################################################
80		121
81	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
82		123
…		…
89	=item $cf::RUNTIME	130	=item $cf::RUNTIME
90		131
91	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
92	every server tick.	133	every server tick.
93		134
94	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95		138
96	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
97	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
98		143
99	=item $cf::NOW	144	=item $cf::NOW
100		145
101	The time of the last (current) server tick.	146	The time of the last (current) server tick.
102		147
103	=item $cf::TICK	148	=item $cf::TICK
104		149
105	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
106		161
107	=item %cf::CFG	162	=item %cf::CFG
108		163
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	165	from wherever your confdir points to.
		166
		167	=item cf::wait_for_tick, cf::wait_for_tick_begin
		168
		169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		170	returns directly I<after> the tick processing (and consequently, can only wake one process
		171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
111		178
112	=back	179	=back
113		180
114	=cut	181	=cut
115		182
116	BEGIN {	183	BEGIN {
117	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	185	my $msg = join "", @_;
119	utf8::encode $msg;
120		186
121	$msg .= "\n"	187	$msg .= "\n"
122	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
123		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
124	LOG llevError, "cfperl: $msg";	193	LOG llevError, $msg;
125	};	194	};
126	}	195	}
127		196
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@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';
133	@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)
134		204
135	# 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
136	# within the Safe compartment.	206	# within the Safe compartment.
137	for my $pkg (qw(	207	for my $pkg (qw(
138	cf::global cf::attachable	208	cf::global cf::attachable
…		…
147		217
148	$Event::DIED = sub {	218	$Event::DIED = sub {
149	warn "error in event callback: @_";	219	warn "error in event callback: @_";
150	};	220	};
151		221
152	my %ext_pkg;	222	#############################################################################
153	my @exts;
154	my @hook;
155		223
156	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
157		225
158	=over 4	226	=over 4
159		227
160	=cut	228	=item dumpval $ref
161		229
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	230	=cut
		231
		232	sub dumpval {
		233	eval {
		234	local $SIG{__DIE__};
		235	my $d;
		236	if (1) {
		237	$d = new Data::Dumper([$_[0]], ["*var"]);
		238	$d->Terse(1);
		239	$d->Indent(2);
		240	$d->Quotekeys(0);
		241	$d->Useqq(1);
		242	#$d->Bless(...);
		243	$d->Seen($_[1]) if @_ > 1;
		244	$d = $d->Dump();
		245	}
		246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		247	$d
		248	} || "[unable to dump $_[0]: '$@']";
		249	}
163		250
164	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
165		252
166	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
167		254
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
176		256
177	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
178		258
179	=cut	259	=cut
180		260
181	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
183	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
		264	sub from_json ($) { $json_coder->decode ($_[0]) }
		265
		266	=item cf::lock_wait $string
		267
		268	Wait until the given lock is available. See cf::lock_acquire.
		269
		270	=item my $lock = cf::lock_acquire $string
		271
		272	Wait until the given lock is available and then acquires it and returns
		273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		274	for example when the coroutine gets canceled), the lock is automatically
		275	returned.
		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
		280	Lock names should begin with a unique identifier (for example, cf::map::find
		281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
		287	=cut
		288
		289	our %LOCK;
		290
		291	sub lock_wait($) {
		292	my ($key) = @_;
		293
		294	# wait for lock, if any
		295	while ($LOCK{$key}) {
		296	push @{ $LOCK{$key} }, $Coro::current;
		297	Coro::schedule;
		298	}
184	}	299	}
		300
		301	sub lock_acquire($) {
		302	my ($key) = @_;
		303
		304	# wait, to be sure we are not locked
		305	lock_wait $key;
		306
		307	$LOCK{$key} = [];
		308
		309	Coro::guard {
		310	# wake up all waiters, to be on the safe side
		311	$_->ready for @{ delete $LOCK{$key} };
		312	}
		313	}
		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
		321	sub freeze_mainloop {
		322	return unless $TICK_WATCHER->is_active;
		323
		324	my $guard = Coro::guard {
		325	$TICK_WATCHER->start;
		326	};
		327	$TICK_WATCHER->stop;
		328	$guard
		329	}
		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
		385	}
		386
		387	=item cf::async { BLOCK }
		388
		389	Currently the same as Coro::async_pool, meaning you cannot use
		390	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		391	thing you are allowed to do is call C<prio> on it.
		392
		393	=cut
		394
		395	BEGIN { *async = \&Coro::async_pool }
185		396
186	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
187		398
188	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
189	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
190	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
191		403
192	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
193	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
194	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
195	fast or be very important.	407	fast or be very important.
…		…
198		410
199	sub sync_job(&) {	411	sub sync_job(&) {
200	my ($job) = @_;	412	my ($job) = @_;
201		413
202	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
203	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
205		419
206	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	421	# (but this is cancel-safe)
208	local $FREEZE = 1;	422	my $freeze_guard = freeze_mainloop;
209		423
210	my $busy = 1;	424	my $busy = 1;
211	my @res;	425	my @res;
212		426
213	(Coro::async {	427	(async {
214	@res = eval { $job->() };	428	@res = eval { $job->() };
215	warn $@ if $@;	429	warn $@ if $@;
216	undef $busy;	430	undef $busy;
217	})->prio (Coro::PRIO_MAX);	431	})->prio (Coro::PRIO_MAX);
218		432
219	while ($busy) {	433	while ($busy) {
220	Coro::cede_notself;	434	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	435	}
		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
223		443
224	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
225	} else {	445	} else {
226	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
227		447
228	$job->()	448	$job->()
229	}	449	}
230	}	450	}
231		451
232	=item $coro = cf::coro { BLOCK }	452	=item $coro = cf::async_ext { BLOCK }
233		453
234	Creates and returns a new coro. This coro is automcatially being canceled	454	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	455	extension calling this is being unloaded.
236		456
237	=cut	457	=cut
238		458
239	sub coro(&) {	459	sub async_ext(&) {
240	my $cb = shift;	460	my $cb = shift;
241		461
242	my $coro; $coro = async {	462	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		463
249	$coro->on_destroy (sub {	464	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	465	delete $EXT_CORO{$coro+0};
251	});	466	});
252	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
253		468
254	$coro	469	$coro
255	}	470	}
256		471
257	sub write_runtime {	472	=item fork_call { }, $args
258	my $runtime = cf::localdir . "/runtime";
259		473
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
261	or return;	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
262		478
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	479	=cut
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;
266		480
267	aio_fsync $fh	481	sub fork_call(&@) {
268	and return;	482	my ($cb, @args) = @_;
269		483
270	close $fh	484	# we seemingly have to make a local copy of the whole thing,
271	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
272		487
273	aio_rename "$runtime~", $runtime	488	my @res = Coro::Util::fork_eval {
274	and return;	489	reset_signals;
		490	&$cb
		491	}, @args;
275		492
		493	wantarray ? @res : $res[-1]
		494	}
		495
		496	=item $value = cf::db_get $family => $key
		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
276	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
277	}	621	}
278		622
279	=back	623	=back
280		624
281	=cut	625	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	if ($path =~ s{^\?random/}{}) {
295	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
296	$self->{random} = cf::from_json $data;
297	} else {
298	if ($path =~ s{^~([^/]+)?}{}) {
299	$self->{user_rel} = 1;
300
301	if (defined $1) {
302	$self->{user} = $1;
303	} elsif ($base =~ m{^~([^/]+)/}) {
304	$self->{user} = $1;
305	} else {
306	warn "cannot resolve user-relative path without user <$path,$base>\n";
307	}
308	} elsif ($path =~ /^\//) {
309	# already absolute
310	} else {
311	$base =~ s{[^/]+/?$}{};
312	return $class->new ("$base/$path");
313	}
314
315	for ($path) {
316	redo if s{/\.?/}{/};
317	redo if s{/[^/]+/\.\./}{/};
318	}
319	}
320
321	$self->{path} = $path;
322
323	$self
324	}
325
326	# the name / primary key / in-game path
327	sub as_string {
328	my ($self) = @_;
329
330	$self->{user_rel} ? "~$self->{user}$self->{path}"
331	: $self->{random} ? "?random/$self->{path}"
332	: $self->{path}
333	}
334
335	# the displayed name, this is a one way mapping
336	sub visible_name {
337	my ($self) = @_;
338
339	# if (my $rmp = $self->{random}) {
340	# # todo: be more intelligent about this
341	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
342	# } else {
343	$self->as_string
344	# }
345	}
346
347	# escape the /'s in the path
348	sub _escaped_path {
349	# ∕ is U+2215
350	(my $path = $_[0]{path}) =~ s/\//∕/g;
351	$path
352	}
353
354	# the original (read-only) location
355	sub load_path {
356	my ($self) = @_;
357
358	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
359	}
360
361	# the temporary/swap location
362	sub save_path {
363	my ($self) = @_;
364
365	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
366	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
367	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
368	}
369
370	# the unique path, might be eq to save_path
371	sub uniq_path {
372	my ($self) = @_;
373
374	$self->{user_rel} || $self->{random}
375	? undef
376	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
377	}
378
379	# return random map parameters, or undef
380	sub random_map_params {
381	my ($self) = @_;
382
383	$self->{random}
384	}
385
386	# this is somewhat ugly, but style maps do need special treatment
387	sub is_style_map {
388	$_[0]{path} =~ m{^/styles/}
389	}
390
391	package cf;
392		626
393	#############################################################################	627	#############################################################################
394		628
395	=head2 ATTACHABLE OBJECTS	629	=head2 ATTACHABLE OBJECTS
396		630
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
400		634
401	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	637	Crossfire TRT).
404		638
405	=over 4	639	=over 4
406		640
407	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
408		642
…		…
522	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
523	our @CB_MAP = ();	757	our @CB_MAP = ();
524		758
525	my %attachment;	759	my %attachment;
526		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
527	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
528	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
529		769
530	use sort 'stable';	770	use sort 'stable';
531		771
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
566		806
567	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		811
572	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	813	my $pkg = shift @arg;
574		814
575	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
605	}	845	}
606		846
607	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
608	} else {	848	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	850	}
611		851
612	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
613	}	853	}
614		854
…		…
616	if (ref $_[0]) {	856	if (ref $_[0]) {
617	_object_attach @_;	857	_object_attach @_;
618	} else {	858	} else {
619	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
620	}	860	}
		861	_recalc_want;
621	};	862	};
622		863
623	# all those should be optimised	864	# all those should be optimised
624	sub cf::attachable::detach {	865	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
629	reattach ($obj);	870	reattach ($obj);
630	} else {	871	} else {
631	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
632	}	873	}
		874	_recalc_want;
633	};	875	};
634		876
635	sub cf::attachable::attached {	877	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
637		879
…		…
652	";	894	";
653	die if $@;	895	die if $@;
654	}	896	}
655		897
656	our $override;	898	our $override;
657	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
658		900
659	sub override {	901	sub override {
660	$override = 1;	902	$override = 1;
661	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
662	}	904	}
663		905
664	sub do_invoke {	906	sub do_invoke {
665	my $event = shift;	907	my $event = shift;
666	my $callbacks = shift;	908	my $callbacks = shift;
667		909
668	@invoke_results = ();	910	@INVOKE_RESULTS = ();
669		911
670	local $override;	912	local $override;
671		913
672	for (@$callbacks) {	914	for (@$callbacks) {
673	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
690		932
691	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
692		934
693	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
694	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
695	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		938
697	=back	939	=back
698		940
699	=cut	941	=cut
700		942
701	#############################################################################	943	#############################################################################
702	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
703		956
704	sub reattach {	957	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
707		962
708	my $registry = $obj->registry;	963	my $registry = $obj->registry;
709		964
710	@$registry = ();	965	@$registry = ();
711		966
…		…
758	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
759		1014
760	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
761	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
762	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
763	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
764	close $fh;	1019	close $fh;
765		1020
766	if (@$objs) {	1021	if (@$objs) {
767	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
768	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
769	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
770	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
771	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1027	close $fh;
773	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
774	}	1029	}
775	} else {	1030	} else {
776	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
807	(aio_load "$filename.pst", $av) >= 0	1062	(aio_load "$filename.pst", $av) >= 0
808	or return;	1063	or return;
809	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
810	}	1065	}
811		1066
		1067	warn sprintf "loading %s (%d)\n",
		1068	$filename, length $data, scalar @{$av || []};
812	return ($data, $av);	1069	return ($data, $av);
813	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
814		1077
815	#############################################################################	1078	#############################################################################
816	# command handling &c	1079	# command handling &c
817		1080
818	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
831	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
832	}	1095	}
833		1096
834	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
835		1098
836	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
837		1104
838	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
839	called.	1106	called.
840		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
841	=cut	1119	=cut
842		1120
843	sub register_extcmd {	1121	sub register_extcmd {
844	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
845		1123
846	my $caller = caller;
847	#warn "registering extcmd '$name' to '$caller'";
848
849	$EXTCMD{$name} = [$cb, $caller];	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
850	}	1131	}
851		1132
852	cf::player->attach (	1133	cf::player->attach (
853	on_command => sub {	1134	on_command => sub {
854	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
863	cf::override;	1144	cf::override;
864	},	1145	},
865	on_extcmd => sub {	1146	on_extcmd => sub {
866	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
867		1148
868	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
869		1150
870	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
871	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
872	if (my %reply = $cb->[0]->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
873	$pl->ext_reply ($msg->{msgid}, %reply);
874	}
875	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
876	} else {	1166	} else {
877	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
878	}	1168	}
879		1169
880	cf::override;	1170	cf::override;
881	},	1171	},
882	);	1172	);
883		1173
884	sub register {
885	my ($base, $pkg) = @_;
886
887	#TODO
888	}
889
890	sub load_extension {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
		1178	for my $path (<$LIBDIR/*.ext>) {
		1179	next unless -r $path;
		1180
		1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
		1238	}
		1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
		1244	};
		1245	}
		1246
		1247	#############################################################################
		1248
		1249	=back
		1250
		1251	=head2 CORE EXTENSIONS
		1252
		1253	Functions and methods that extend core crossfire objects.
		1254
		1255	=cut
		1256
		1257	package cf::player;
		1258
		1259	use Coro::AIO;
		1260
		1261	=head3 cf::player
		1262
		1263	=over 4
		1264
		1265	=item cf::player::find $login
		1266
		1267	Returns the given player object, loading it if necessary (might block).
		1268
		1269	=cut
		1270
		1271	sub playerdir($) {
		1272	"$PLAYERDIR/"
		1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1274	}
		1275
		1276	sub path($) {
		1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1278
		1279	(playerdir $login) . "/playerdata"
		1280	}
		1281
		1282	sub find_active($) {
		1283	$cf::PLAYER{$_[0]}
		1284	and $cf::PLAYER{$_[0]}->active
		1285	and $cf::PLAYER{$_[0]}
		1286	}
		1287
		1288	sub exists($) {
		1289	my ($login) = @_;
		1290
		1291	$cf::PLAYER{$login}
		1292	or cf::sync_job { !aio_stat path $login }
		1293	}
		1294
		1295	sub find($) {
		1296	return $cf::PLAYER{$_[0]} || do {
		1297	my $login = $_[0];
		1298
		1299	my $guard = cf::lock_acquire "user_find:$login";
		1300
		1301	$cf::PLAYER{$_[0]} || do {
		1302	# rename old playerfiles to new ones
		1303	#TODO: remove when no longer required
		1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1307	aio_unlink +(playerdir $login) . "/$login.pl";
		1308
		1309	my $pl = load_pl path $login
		1310	or return;
		1311	$cf::PLAYER{$login} = $pl
		1312	}
		1313	}
		1314	}
		1315
		1316	sub save($) {
		1317	my ($pl) = @_;
		1318
		1319	return if $pl->{deny_save};
		1320
		1321	my $path = path $pl;
		1322	my $guard = cf::lock_acquire "user_save:$path";
		1323
		1324	return if $pl->{deny_save};
		1325
		1326	aio_mkdir playerdir $pl, 0770;
		1327	$pl->{last_save} = $cf::RUNTIME;
		1328
		1329	$pl->save_pl ($path);
		1330	cf::cede_to_tick;
		1331	}
		1332
		1333	sub new($) {
		1334	my ($login) = @_;
		1335
		1336	my $self = create;
		1337
		1338	$self->ob->name ($login);
		1339	$self->{deny_save} = 1;
		1340
		1341	$cf::PLAYER{$login} = $self;
		1342
		1343	$self
		1344	}
		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
		1354	}
		1355
		1356	=item $pl->quit_character
		1357
		1358	Nukes the player without looking back. If logged in, the connection will
		1359	be destroyed. May block for a long time.
		1360
		1361	=cut
		1362
		1363	sub quit_character {
		1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
		1367
		1368	$pl->{deny_save} = 1;
		1369	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1370
		1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1372	$pl->deactivate;
		1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1374	$pl->ns->destroy if $pl->ns;
		1375
		1376	my $path = playerdir $pl;
		1377	my $temp = "$path~$cf::RUNTIME~deleting~";
		1378	aio_rename $path, $temp;
		1379	delete $cf::PLAYER{$pl->ob->name};
		1380	$pl->destroy;
		1381
		1382	my $prefix = qr<^~\Q$name\E/>;
		1383
		1384	# nuke player maps
		1385	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1386
		1387	IO::AIO::aio_rmtree $temp;
		1388	}
		1389
		1390	=item $pl->kick
		1391
		1392	Kicks a player out of the game. This destroys the connection.
		1393
		1394	=cut
		1395
		1396	sub kick {
		1397	my ($pl, $kicker) = @_;
		1398
		1399	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1400	$pl->killer ("kicked");
		1401	$pl->ns->destroy;
		1402	}
		1403
		1404	=item cf::player::list_logins
		1405
		1406	Returns am arrayref of all valid playernames in the system, can take a
		1407	while and may block, so not sync_job-capable, ever.
		1408
		1409	=cut
		1410
		1411	sub list_logins {
		1412	my $dirs = aio_readdir $PLAYERDIR
		1413	or return [];
		1414
		1415	my @logins;
		1416
		1417	for my $login (@$dirs) {
		1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1419	aio_read $fh, 0, 512, my $buf, 0 or next;
		1420	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1421
		1422	utf8::decode $login;
		1423	push @logins, $login;
		1424	}
		1425
		1426	\@logins
		1427	}
		1428
		1429	=item $player->maps
		1430
		1431	Returns an arrayref of map paths that are private for this
		1432	player. May block.
		1433
		1434	=cut
		1435
		1436	sub maps($) {
		1437	my ($pl) = @_;
		1438
		1439	$pl = ref $pl ? $pl->ob->name : $pl;
		1440
		1441	my $files = aio_readdir playerdir $pl
		1442	or return;
		1443
		1444	my @paths;
		1445
		1446	for (@$files) {
		1447	utf8::decode $_;
		1448	next if /\.(?:pl|pst)$/;
		1449	next unless /^$PATH_SEP/o;
		1450
		1451	push @paths, cf::map::normalise "~$pl/$_";
		1452	}
		1453
		1454	\@paths
		1455	}
		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGHT])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1478	# replace G<male|female> tags
		1479	|| s{G<([^>|]*)\|([^>]*)>}{
		1480	$self->gender ? $2 : $1
		1481	}ge
		1482	# replace H<hint text>
		1483	|| s{H<([^\>]*)>}
		1484	{
		1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1487	"")
		1488	[$self->{hintmode}]
		1489	}ge;
		1490
		1491	# create single paragraphs (very hackish)
		1492	s/(?<=\S)\n(?=\w)/ /g;
		1493
		1494	# compress some whitespace
		1495	s/\s+\n/\n/g; # ws line-ends
		1496	s/\n\n+/\n/g; # double lines
		1497	s/^\n+//; # beginning lines
		1498	s/\n+$//; # ending lines
		1499
		1500	$_
		1501	}
		1502
		1503	sub hintmode {
		1504	$_[0]{hintmode} = $_[1] if @_ > 1;
		1505	$_[0]{hintmode}
		1506	}
		1507
		1508	=item $player->ext_reply ($msgid, @msg)
		1509
		1510	Sends an ext reply to the player.
		1511
		1512	=cut
		1513
		1514	sub ext_reply($$@) {
		1515	my ($self, $id, @msg) = @_;
		1516
		1517	$self->ns->ext_reply ($id, @msg)
		1518	}
		1519
		1520	=item $player->ext_msg ($type, @msg)
		1521
		1522	Sends an ext event to the client.
		1523
		1524	=cut
		1525
		1526	sub ext_msg($$@) {
		1527	my ($self, $type, @msg) = @_;
		1528
		1529	$self->ns->ext_msg ($type, @msg);
		1530	}
		1531
		1532	=head3 cf::region
		1533
		1534	=over 4
		1535
		1536	=cut
		1537
		1538	package cf::region;
		1539
		1540	=item cf::region::find_by_path $path
		1541
		1542	Tries to decuce the likely region for a map knowing only its path.
		1543
		1544	=cut
		1545
		1546	sub find_by_path($) {
891	my ($path) = @_;	1547	my ($path) = @_;
892		1548
893	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1549	my ($match, $specificity);
894	my $base = $1;
895	my $pkg = $1;
896	$pkg =~ s/[^[:word:]]/_/g;
897	$pkg = "ext::$pkg";
898		1550
899	warn "loading '$path' into '$pkg'\n";	1551	for my $region (list) {
900		1552	if ($region->{match} && $path =~ $region->{match}) {
901	open my $fh, "<:utf8", $path	1553	($match, $specificity) = ($region, $region->specificity)
902	or die "$path: $!";	1554	if $region->specificity > $specificity;
903		1555	}
904	my $source =
905	"package $pkg; use strict; use utf8;\n"
906	. "#line 1 \"$path\"\n{\n"
907	. (do { local $/; <$fh> })
908	. "\n};\n1";
909
910	eval $source
911	or die $@ ? "$path: $@\n"
912	: "extension disabled.\n";
913
914	push @exts, $pkg;
915	$ext_pkg{$base} = $pkg;
916
917	# no strict 'refs';
918	# @{"$pkg\::ISA"} = ext::;
919
920	register $base, $pkg;
921	}
922
923	sub unload_extension {
924	my ($pkg) = @_;
925
926	warn "removing extension $pkg\n";
927
928	# remove hooks
929	#TODO
930	# for my $idx (0 .. $#PLUGIN_EVENT) {
931	# delete $hook[$idx]{$pkg};
932	# }	1556	}
933		1557
934	# remove commands	1558	$match
935	for my $name (keys %COMMAND) {
936	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
937
938	if (@cb) {
939	$COMMAND{$name} = \@cb;
940	} else {
941	delete $COMMAND{$name};
942	}
943	}
944
945	# remove extcmds
946	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
947	delete $EXTCMD{$name};
948	}
949
950	if (my $cb = $pkg->can ("unload")) {
951	eval {
952	$cb->($pkg);
953	1
954	} or warn "$pkg unloaded, but with errors: $@";
955	}
956
957	Symbol::delete_package $pkg;
958	}
959
960	sub load_extensions {
961	for my $ext (<$LIBDIR/*.ext>) {
962	next unless -r $ext;
963	eval {
964	load_extension $ext;
965	1
966	} or warn "$ext not loaded: $@";
967	}
968	}
969
970	#############################################################################
971	# load/save/clean perl data associated with a map
972
973	*cf::mapsupport::on_clean = sub {
974	my ($map) = @_;
975
976	my $path = $map->tmpname;
977	defined $path or return;
978
979	unlink "$path.pst";
980	};
981
982	cf::map->attach (prio => -10000, package => cf::mapsupport::);
983
984	#############################################################################
985	# load/save perl data associated with player->ob objects
986
987	sub all_objects(@) {
988	@_, map all_objects ($_->inv), @_
989	}
990
991	# TODO: compatibility cruft, remove when no longer needed
992	cf::player->attach (
993	on_load => sub {
994	my ($pl, $path) = @_;
995
996	for my $o (all_objects $pl->ob) {
997	if (my $value = $o->get_ob_key_value ("_perl_data")) {
998	$o->set_ob_key_value ("_perl_data");
999
1000	%$o = %{ Storable::thaw pack "H*", $value };
1001	}
1002	}
1003	},
1004	);
1005
1006	#############################################################################
1007
1008	=head2 CORE EXTENSIONS
1009
1010	Functions and methods that extend core crossfire objects.
1011
1012	=head3 cf::player
1013
1014	=over 4
1015
1016	=item cf::player::exists $login
1017
1018	Returns true when the given account exists.
1019
1020	=cut
1021
1022	sub cf::player::exists($) {
1023	cf::player::find $_[0]
1024	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1025	}
1026
1027	=item $player->ext_reply ($msgid, $msgtype, %msg)
1028
1029	Sends an ext reply to the player.
1030
1031	=cut
1032
1033	sub cf::player::ext_reply($$$%) {
1034	my ($self, $id, %msg) = @_;
1035
1036	$msg{msgid} = $id;
1037
1038	$self->send ("ext " . to_json \%msg);
1039	}	1559	}
1040		1560
1041	=back	1561	=back
1042
1043		1562
1044	=head3 cf::map	1563	=head3 cf::map
1045		1564
1046	=over 4	1565	=over 4
1047		1566
…		…
1050	package cf::map;	1569	package cf::map;
1051		1570
1052	use Fcntl;	1571	use Fcntl;
1053	use Coro::AIO;	1572	use Coro::AIO;
1054		1573
		1574	use overload
		1575	'""' => \&as_string,
		1576	fallback => 1;
		1577
1055	our $MAX_RESET = 7200;	1578	our $MAX_RESET = 3600;
1056	our $DEFAULT_RESET = 3600;	1579	our $DEFAULT_RESET = 3000;
1057		1580
1058	sub generate_random_map {	1581	sub generate_random_map {
1059	my ($path, $rmp) = @_;	1582	my ($self, $rmp) = @_;
1060
1061	# mit "rum" bekleckern, nicht	1583	# mit "rum" bekleckern, nicht
1062	cf::map::_create_random_map	1584	$self->_create_random_map (
1063	$path,
1064	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1065	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1066	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1067	$rmp->{exit_on_final_map},	1588	$rmp->{exit_on_final_map},
1068	$rmp->{xsize}, $rmp->{ysize},	1589	$rmp->{xsize}, $rmp->{ysize},
1069	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1590	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1070	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1591	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1071	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1592	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1072	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1593	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1073	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1594	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1074	(cf::region::find $rmp->{region})	1595	(cf::region::find $rmp->{region}), $rmp->{custom}
		1596	)
		1597	}
		1598
		1599	=item cf::map->register ($regex, $prio)
		1600
		1601	Register a handler for the map path matching the given regex at the
		1602	givne priority (higher is better, built-in handlers have priority 0, the
		1603	default).
		1604
		1605	=cut
		1606
		1607	sub register {
		1608	my (undef, $regex, $prio) = @_;
		1609	my $pkg = caller;
		1610
		1611	no strict;
		1612	push @{"$pkg\::ISA"}, __PACKAGE__;
		1613
		1614	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1615	}
		1616
		1617	# also paths starting with '/'
		1618	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1619
		1620	sub thawer_merge {
		1621	my ($self, $merge) = @_;
		1622
		1623	# we have to keep some variables in memory intact
		1624	local $self->{path};
		1625	local $self->{load_path};
		1626
		1627	$self->SUPER::thawer_merge ($merge);
		1628	}
		1629
		1630	sub normalise {
		1631	my ($path, $base) = @_;
		1632
		1633	$path = "$path"; # make sure its a string
		1634
		1635	$path =~ s/\.map$//;
		1636
		1637	# map plan:
		1638	#
		1639	# /! non-realised random map exit (special hack!)
		1640	# {... are special paths that are not being touched
		1641	# ?xxx/... are special absolute paths
		1642	# ?random/... random maps
		1643	# /... normal maps
		1644	# ~user/... per-player map of a specific user
		1645
		1646	$path =~ s/$PATH_SEP/\//go;
		1647
		1648	# treat it as relative path if it starts with
		1649	# something that looks reasonable
		1650	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1651	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1652
		1653	$base =~ s{[^/]+/?$}{};
		1654	$path = "$base/$path";
		1655	}
		1656
		1657	for ($path) {
		1658	redo if s{//}{/};
		1659	redo if s{/\.?/}{/};
		1660	redo if s{/[^/]+/\.\./}{/};
		1661	}
		1662
		1663	$path
		1664	}
		1665
		1666	sub new_from_path {
		1667	my (undef, $path, $base) = @_;
		1668
		1669	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1670
		1671	$path = normalise $path, $base;
		1672
		1673	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1674	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1675	my $self = bless cf::map::new, $pkg;
		1676	$self->{path} = $path; $self->path ($path);
		1677	$self->init; # pass $1 etc.
		1678	return $self;
		1679	}
		1680	}
		1681
		1682	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1683	()
		1684	}
		1685
		1686	sub init {
		1687	my ($self) = @_;
		1688
		1689	$self
		1690	}
		1691
		1692	sub as_string {
		1693	my ($self) = @_;
		1694
		1695	"$self->{path}"
		1696	}
		1697
		1698	# the displayed name, this is a one way mapping
		1699	sub visible_name {
		1700	&as_string
		1701	}
		1702
		1703	# the original (read-only) location
		1704	sub load_path {
		1705	my ($self) = @_;
		1706
		1707	"$MAPDIR/$self->{path}.map"
		1708	}
		1709
		1710	# the temporary/swap location
		1711	sub save_path {
		1712	my ($self) = @_;
		1713
		1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1715	"$TMPDIR/$path.map"
		1716	}
		1717
		1718	# the unique path, undef == no special unique path
		1719	sub uniq_path {
		1720	my ($self) = @_;
		1721
		1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1723	"$UNIQUEDIR/$path"
1075	}	1724	}
1076		1725
1077	# and all this just because we cannot iterate over	1726	# and all this just because we cannot iterate over
1078	# all maps in C++...	1727	# all maps in C++...
1079	sub change_all_map_light {	1728	sub change_all_map_light {
1080	my ($change) = @_;	1729	my ($change) = @_;
1081		1730
1082	$_->change_map_light ($change) for values %cf::MAP;	1731	$_->change_map_light ($change)
		1732	for grep $_->outdoor, values %cf::MAP;
1083	}	1733	}
1084		1734
		1735	sub decay_objects {
		1736	my ($self) = @_;
		1737
		1738	return if $self->{deny_reset};
		1739
		1740	$self->do_decay_objects;
		1741	}
		1742
		1743	sub unlink_save {
		1744	my ($self) = @_;
		1745
		1746	utf8::encode (my $save = $self->save_path);
		1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1748	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1749	}
		1750
1085	sub try_load_header($) {	1751	sub load_header_from($) {
1086	my ($path) = @_;	1752	my ($self, $path) = @_;
1087		1753
1088	utf8::encode $path;	1754	utf8::encode $path;
1089	aio_open $path, O_RDONLY, 0	1755	#aio_open $path, O_RDONLY, 0
		1756	# or return;
		1757
		1758	$self->_load_header ($path)
1090	or return;	1759	or return;
1091		1760
1092	my $map = cf::map::new	1761	$self->{load_path} = $path;
		1762
		1763	1
		1764	}
		1765
		1766	sub load_header_orig {
		1767	my ($self) = @_;
		1768
		1769	$self->load_header_from ($self->load_path)
		1770	}
		1771
		1772	sub load_header_temp {
		1773	my ($self) = @_;
		1774
		1775	$self->load_header_from ($self->save_path)
		1776	}
		1777
		1778	sub prepare_temp {
		1779	my ($self) = @_;
		1780
		1781	$self->last_access ((delete $self->{last_access})
		1782	|| $cf::RUNTIME); #d#
		1783	# safety
		1784	$self->{instantiate_time} = $cf::RUNTIME
		1785	if $self->{instantiate_time} > $cf::RUNTIME;
		1786	}
		1787
		1788	sub prepare_orig {
		1789	my ($self) = @_;
		1790
		1791	$self->{load_original} = 1;
		1792	$self->{instantiate_time} = $cf::RUNTIME;
		1793	$self->last_access ($cf::RUNTIME);
		1794	$self->instantiate;
		1795	}
		1796
		1797	sub load_header {
		1798	my ($self) = @_;
		1799
		1800	if ($self->load_header_temp) {
		1801	$self->prepare_temp;
		1802	} else {
		1803	$self->load_header_orig
1093	or return;	1804	or return;
		1805	$self->prepare_orig;
		1806	}
1094		1807
1095	$map->load_header ($path)	1808	$self->{deny_reset} = 1
1096	or return;	1809	if $self->no_reset;
1097		1810
1098	$map->{load_path} = $path;	1811	$self->default_region (cf::region::find_by_path $self->{path})
		1812	unless $self->default_region;
1099		1813
1100	$map	1814	1
1101	}	1815	}
1102		1816
		1817	sub find;
1103	sub find_map {	1818	sub find {
1104	my ($path, $origin) = @_;	1819	my ($path, $origin) = @_;
1105		1820
1106	#warn "find_map<$path,$origin>\n";#d#
1107
1108	$path = new cf::path $path, $origin && $origin->path;	1821	$path = normalise $path, $origin && $origin->path;
1109	my $key = $path->as_string;
1110		1822
		1823	cf::lock_wait "map_find:$path";
		1824
1111	$cf::MAP{$key} || do {	1825	$cf::MAP{$path} || do {
1112	# do it the slow way	1826	my $guard = cf::lock_acquire "map_find:$path";
1113	my $map = try_load_header $path->save_path;	1827	my $map = new_from_path cf::map $path
1114
1115	if ($map) {
1116	# safety
1117	$map->{instantiate_time} = $cf::RUNTIME
1118	if $map->{instantiate_time} > $cf::RUNTIME;
1119	} else {
1120	if (my $rmp = $path->random_map_params) {
1121	$map = generate_random_map $key, $rmp;
1122	} else {
1123	$map = try_load_header $path->load_path;
1124	}
1125
1126	$map or return;	1828	or return;
1127		1829
1128	$map->{load_original} = 1;
1129	$map->{instantiate_time} = $cf::RUNTIME;
1130	$map->instantiate;
1131
1132	# per-player maps become, after loading, normal maps
1133	$map->per_player (0) if $path->{user_rel};
1134	}
1135
1136	$map->path ($key);
1137	$map->{path} = $path;
1138	$map->last_access ($cf::RUNTIME);	1830	$map->{last_save} = $cf::RUNTIME;
1139		1831
1140	if ($map->should_reset) {	1832	$map->load_header
		1833	or return;
		1834
		1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1836	# doing this can freeze the server in a sync job, obviously
		1837	#$cf::WAIT_FOR_TICK->wait;
1141	$map->reset;	1838	$map->reset;
1142	$map = find_map $path;	1839	undef $guard;
		1840	return find $path;
1143	}	1841	}
1144		1842
1145	$cf::MAP{$key} = $map	1843	$cf::MAP{$path} = $map
1146	}	1844	}
1147	}	1845	}
		1846
		1847	sub pre_load { }
		1848	sub post_load { }
1148		1849
1149	sub load {	1850	sub load {
1150	my ($self) = @_;	1851	my ($self) = @_;
1151		1852
1152	return if $self->in_memory != cf::MAP_SWAPPED;	1853	local $self->{deny_reset} = 1; # loading can take a long time
1153
1154	$self->in_memory (cf::MAP_LOADING);
1155		1854
1156	my $path = $self->{path};	1855	my $path = $self->{path};
1157		1856
		1857	{
		1858	my $guard1 = cf::lock_acquire "map_data:$path";
		1859	my $guard2 = cf::lock_acquire "map_load:$path";
		1860
		1861	return if $self->in_memory != cf::MAP_SWAPPED;
		1862
		1863	$self->in_memory (cf::MAP_LOADING);
		1864
1158	$self->alloc;	1865	$self->alloc;
		1866
		1867	$self->pre_load;
		1868	cf::cede_to_tick;
		1869
1159	$self->load_objects ($self->{load_path}, 1)	1870	$self->_load_objects ($self->{load_path}, 1)
1160	or return;	1871	or return;
1161		1872
1162	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1163	if delete $self->{load_original};	1874	if delete $self->{load_original};
1164		1875
1165	if (my $uniq = $path->uniq_path) {	1876	if (my $uniq = $self->uniq_path) {
1166	utf8::encode $uniq;	1877	utf8::encode $uniq;
1167	if (aio_open $uniq, O_RDONLY, 0) {	1878	if (aio_open $uniq, O_RDONLY, 0) {
1168	$self->clear_unique_items;	1879	$self->clear_unique_items;
1169	$self->load_objects ($uniq, 0);	1880	$self->_load_objects ($uniq, 0);
1170	}	1881	}
1171	}	1882	}
1172		1883
		1884	cf::cede_to_tick;
1173	# now do the right thing for maps	1885	# now do the right thing for maps
1174	$self->link_multipart_objects;	1886	$self->link_multipart_objects;
1175
1176	if ($self->{path}->is_style_map) {
1177	$self->{deny_save} = 1;
1178	$self->{deny_reset} = 1;
1179	} else {
1180	$self->fix_auto_apply;
1181	$self->decay_objects;
1182	$self->update_buttons;
1183	$self->set_darkness_map;
1184	$self->difficulty ($self->estimate_difficulty)	1887	$self->difficulty ($self->estimate_difficulty)
1185	unless $self->difficulty;	1888	unless $self->difficulty;
		1889	cf::cede_to_tick;
		1890
		1891	unless ($self->{deny_activate}) {
		1892	$self->decay_objects;
		1893	$self->fix_auto_apply;
		1894	$self->update_buttons;
		1895	cf::cede_to_tick;
		1896	$self->set_darkness_map;
		1897	cf::cede_to_tick;
1186	$self->activate;	1898	$self->activate;
1187	}	1899	}
1188		1900
		1901	$self->{last_save} = $cf::RUNTIME;
		1902	$self->last_access ($cf::RUNTIME);
		1903
1189	$self->in_memory (cf::MAP_IN_MEMORY);	1904	$self->in_memory (cf::MAP_IN_MEMORY);
1190	}	1905	}
1191		1906
1192	sub load_map_sync {	1907	$self->post_load;
		1908	}
		1909
		1910	sub customise_for {
		1911	my ($self, $ob) = @_;
		1912
		1913	return find "~" . $ob->name . "/" . $self->{path}
		1914	if $self->per_player;
		1915
		1916	# return find "?party/" . $ob->name . "/" . $self->{path}
		1917	# if $self->per_party;
		1918
		1919	$self
		1920	}
		1921
		1922	# find and load all maps in the 3x3 area around a map
		1923	sub load_neighbours {
		1924	my ($map) = @_;
		1925
		1926	my @neigh; # diagonal neighbours
		1927
		1928	for (0 .. 3) {
		1929	my $neigh = $map->tile_path ($_)
		1930	or next;
		1931	$neigh = find $neigh, $map
		1932	or next;
		1933	$neigh->load;
		1934
		1935	push @neigh,
		1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1938	}
		1939
		1940	for (grep defined $_->[0], @neigh) {
		1941	my ($path, $origin) = @$_;
		1942	my $neigh = find $path, $origin
		1943	or next;
		1944	$neigh->load;
		1945	}
		1946	}
		1947
		1948	sub find_sync {
1193	my ($path, $origin) = @_;	1949	my ($path, $origin) = @_;
1194		1950
1195	#warn "load_map_sync<$path, $origin>\n";#d#	1951	cf::sync_job { find $path, $origin }
		1952	}
1196		1953
1197	cf::sync_job {	1954	sub do_load_sync {
1198	my $map = cf::map::find_map $path, $origin	1955	my ($map) = @_;
1199	or return;	1956
1200	$map->load;	1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1201	$map	1958	if $Coro::current == $Coro::main;
		1959
		1960	cf::sync_job { $map->load };
		1961	}
		1962
		1963	our %MAP_PREFETCH;
		1964	our $MAP_PREFETCHER = undef;
		1965
		1966	sub find_async {
		1967	my ($path, $origin, $load) = @_;
		1968
		1969	$path = normalise $path, $origin && $origin->{path};
		1970
		1971	if (my $map = $cf::MAP{$path}) {
		1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1973	}
		1974
		1975	$MAP_PREFETCH{$path} |= $load;
		1976
		1977	$MAP_PREFETCHER ||= cf::async {
		1978	while (%MAP_PREFETCH) {
		1979	while (my ($k, $v) = each %MAP_PREFETCH) {
		1980	if (my $map = find $k) {
		1981	$map->load if $v;
		1982	}
		1983
		1984	delete $MAP_PREFETCH{$k};
		1985	}
		1986	}
		1987	undef $MAP_PREFETCHER;
1202	}	1988	};
		1989	$MAP_PREFETCHER->prio (6);
		1990
		1991	()
1203	}	1992	}
1204		1993
1205	sub save {	1994	sub save {
1206	my ($self) = @_;	1995	my ($self) = @_;
1207		1996
1208	my $save = $self->{path}->save_path; utf8::encode $save;	1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1209	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1210		1998
1211	$self->{last_save} = $cf::RUNTIME;	1999	$self->{last_save} = $cf::RUNTIME;
1212		2000
1213	return unless $self->dirty;	2001	return unless $self->dirty;
1214		2002
		2003	my $save = $self->save_path; utf8::encode $save;
		2004	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2005
1215	$self->{load_path} = $save;	2006	$self->{load_path} = $save;
1216		2007
1217	return if $self->{deny_save};	2008	return if $self->{deny_save};
1218		2009
		2010	local $self->{last_access} = $self->last_access;#d#
		2011
		2012	cf::async {
		2013	$_->contr->save for $self->players;
		2014	};
		2015
1219	if ($uniq) {	2016	if ($uniq) {
1220	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2017	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1221	$self->save_objects ($uniq, cf::IO_UNIQUES);	2018	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1222	} else {	2019	} else {
1223	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2020	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1224	}	2021	}
1225	}	2022	}
1226		2023
1227	sub swap_out {	2024	sub swap_out {
1228	my ($self) = @_;	2025	my ($self) = @_;
		2026
		2027	# save first because save cedes
		2028	$self->save;
		2029
		2030	my $lock = cf::lock_acquire "map_data:$self->{path}";
1229		2031
1230	return if $self->players;	2032	return if $self->players;
1231	return if $self->in_memory != cf::MAP_IN_MEMORY;	2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
1232	return if $self->{deny_save};	2034	return if $self->{deny_save};
1233		2035
1234	$self->save;
1235	$self->clear;	2036	$self->clear;
1236	$self->in_memory (cf::MAP_SWAPPED);	2037	$self->in_memory (cf::MAP_SWAPPED);
1237	}	2038	}
1238		2039
1239	sub reset_at {	2040	sub reset_at {
1240	my ($self) = @_;	2041	my ($self) = @_;
1241		2042
1242	# TODO: safety, remove and allow resettable per-player maps	2043	# TODO: safety, remove and allow resettable per-player maps
1243	return 1e100 if $self->{path}{user_rel};
1244	return 1e100 if $self->{deny_reset};	2044	return 1e99 if $self->{deny_reset};
1245		2045
1246	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2046	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1247	my $to = $self->reset_timeout || $DEFAULT_RESET;	2047	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1248	$to = $MAX_RESET if $to > $MAX_RESET;
1249		2048
1250	$time + $to	2049	$time + $to
1251	}	2050	}
1252		2051
1253	sub should_reset {	2052	sub should_reset {
1254	my ($self) = @_;	2053	my ($self) = @_;
1255		2054
1256	$self->reset_at <= $cf::RUNTIME	2055	$self->reset_at <= $cf::RUNTIME
1257	}	2056	}
1258		2057
1259	sub unlink_save {
1260	my ($self) = @_;
1261
1262	utf8::encode (my $save = $self->{path}->save_path);
1263	aioreq_pri 3; IO::AIO::aio_unlink $save;
1264	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1265	}
1266
1267	sub rename {
1268	my ($self, $new_path) = @_;
1269
1270	$self->unlink_save;
1271
1272	delete $cf::MAP{$self->path};
1273	$self->{path} = new cf::path $new_path;
1274	$self->path ($self->{path}->path);
1275	$cf::MAP{$self->path} = $self;
1276
1277	$self->save;
1278	}
1279
1280	sub reset {	2058	sub reset {
1281	my ($self) = @_;	2059	my ($self) = @_;
1282		2060
		2061	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2062
1283	return if $self->players;	2063	return if $self->players;
1284	return if $self->{path}{user_rel};#d#
1285		2064
1286	warn "resetting map ", $self->path;#d#	2065	warn "resetting map ", $self->path;
		2066
		2067	$self->in_memory (cf::MAP_SWAPPED);
		2068
		2069	# need to save uniques path
		2070	unless ($self->{deny_save}) {
		2071	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2072
		2073	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2074	if $uniq;
		2075	}
1287		2076
1288	delete $cf::MAP{$self->path};	2077	delete $cf::MAP{$self->path};
		2078
		2079	$self->clear;
1289		2080
1290	$_->clear_links_to ($self) for values %cf::MAP;	2081	$_->clear_links_to ($self) for values %cf::MAP;
1291		2082
1292	$self->unlink_save;	2083	$self->unlink_save;
1293	$self->destroy;	2084	$self->destroy;
1294	}	2085	}
1295		2086
1296	sub customise_for {	2087	my $nuke_counter = "aaaa";
1297	my ($map, $ob) = @_;
1298		2088
1299	if ($map->per_player) {	2089	sub nuke {
1300	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2090	my ($self) = @_;
		2091
1301	}	2092	{
		2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
1302		2094
1303	$map	2095	delete $cf::MAP{$self->path};
1304	}
1305		2096
1306	sub emergency_save {	2097	$self->unlink_save;
1307	local $cf::FREEZE = 1;
1308		2098
1309	warn "enter emergency map save\n";	2099	bless $self, "cf::map";
		2100	delete $self->{deny_reset};
		2101	$self->{deny_save} = 1;
		2102	$self->reset_timeout (1);
		2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1310		2104
1311	cf::sync_job {	2105	$cf::MAP{$self->path} = $self;
1312	warn "begin emergency map save\n";
1313	$_->save for values %cf::MAP;
1314	};	2106	}
1315		2107
1316	warn "end emergency map save\n";	2108	$self->reset; # polite request, might not happen
		2109	}
		2110
		2111	=item $maps = cf::map::tmp_maps
		2112
		2113	Returns an arrayref with all map paths of currently instantiated and saved
		2114	maps. May block.
		2115
		2116	=cut
		2117
		2118	sub tmp_maps() {
		2119	[
		2120	map {
		2121	utf8::decode $_;
		2122	/\.map$/
		2123	? normalise $_
		2124	: ()
		2125	} @{ aio_readdir $TMPDIR or [] }
		2126	]
		2127	}
		2128
		2129	=item $maps = cf::map::random_maps
		2130
		2131	Returns an arrayref with all map paths of currently instantiated and saved
		2132	random maps. May block.
		2133
		2134	=cut
		2135
		2136	sub random_maps() {
		2137	[
		2138	map {
		2139	utf8::decode $_;
		2140	/\.map$/
		2141	? normalise "?random/$_"
		2142	: ()
		2143	} @{ aio_readdir $RANDOMDIR or [] }
		2144	]
		2145	}
		2146
		2147	=item cf::map::unique_maps
		2148
		2149	Returns an arrayref of paths of all shared maps that have
		2150	instantiated unique items. May block.
		2151
		2152	=cut
		2153
		2154	sub unique_maps() {
		2155	[
		2156	map {
		2157	utf8::decode $_;
		2158	/\.map$/
		2159	? normalise $_
		2160	: ()
		2161	} @{ aio_readdir $UNIQUEDIR or [] }
		2162	]
1317	}	2163	}
1318		2164
1319	package cf;	2165	package cf;
1320		2166
1321	=back	2167	=back
1322		2168
		2169	=head3 cf::object
		2170
		2171	=cut
		2172
		2173	package cf::object;
		2174
		2175	=over 4
		2176
		2177	=item $ob->inv_recursive
		2178
		2179	Returns the inventory of the object _and_ their inventories, recursively.
		2180
		2181	=cut
		2182
		2183	sub inv_recursive_;
		2184	sub inv_recursive_ {
		2185	map { $_, inv_recursive_ $_->inv } @_
		2186	}
		2187
		2188	sub inv_recursive {
		2189	inv_recursive_ inv $_[0]
		2190	}
		2191
		2192	package cf;
		2193
		2194	=back
1323		2195
1324	=head3 cf::object::player	2196	=head3 cf::object::player
1325		2197
1326	=over 4	2198	=over 4
1327		2199
…		…
1341		2213
1342	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2214	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1343		2215
1344	if ($self->{record_replies}) {	2216	if ($self->{record_replies}) {
1345	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2217	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2218
1346	} else {	2219	} else {
		2220	my $pl = $self->contr;
		2221
		2222	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2223	my $dialog = $pl->{npc_dialog};
		2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2225
		2226	} else {
1347	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1348	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1349	}	2230	}
		2231	}
		2232
		2233	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2234
		2235	=cut
		2236
		2237	sub cf::object::send_msg {
		2238	my $pl = shift->contr
		2239	or return;
		2240	$pl->send_msg (@_);
1350	}	2241	}
1351		2242
1352	=item $player_object->may ("access")	2243	=item $player_object->may ("access")
1353		2244
1354	Returns wether the given player is authorized to access resource "access"	2245	Returns wether the given player is authorized to access resource "access"
…		…
1363	(ref $cf::CFG{"may_$access"}	2254	(ref $cf::CFG{"may_$access"}
1364	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2255	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1365	: $cf::CFG{"may_$access"})	2256	: $cf::CFG{"may_$access"})
1366	}	2257	}
1367		2258
		2259	=item $player_object->enter_link
		2260
		2261	Freezes the player and moves him/her to a special map (C<{link}>).
		2262
		2263	The player should be reasonably safe there for short amounts of time. You
		2264	I<MUST> call C<leave_link> as soon as possible, though.
		2265
		2266	Will never block.
		2267
		2268	=item $player_object->leave_link ($map, $x, $y)
		2269
		2270	Moves the player out of the special C<{link}> map onto the specified
		2271	map. If the map is not valid (or omitted), the player will be moved back
		2272	to the location he/she was before the call to C<enter_link>, or, if that
		2273	fails, to the emergency map position.
		2274
		2275	Might block.
		2276
		2277	=cut
		2278
		2279	sub link_map {
		2280	unless ($LINK_MAP) {
		2281	$LINK_MAP = cf::map::find "{link}"
		2282	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2283	$LINK_MAP->load;
		2284	}
		2285
		2286	$LINK_MAP
		2287	}
		2288
1368	sub cf::object::player::enter_link {	2289	sub cf::object::player::enter_link {
1369	my ($self) = @_;	2290	my ($self) = @_;
1370		2291
1371	return if $self->map == $LINK_MAP;
1372
1373	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]
1374	if $self->map;
1375
1376	$self->enter_map ($LINK_MAP, 20, 20);
1377	$self->deactivate_recursive;	2292	$self->deactivate_recursive;
		2293
		2294	return if UNIVERSAL::isa $self->map, "ext::map_link";
		2295
		2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		2297	if $self->map && $self->map->{path} ne "{link}";
		2298
		2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1378	}	2300	}
1379		2301
1380	sub cf::object::player::leave_link {	2302	sub cf::object::player::leave_link {
1381	my ($self, $map, $x, $y) = @_;	2303	my ($self, $map, $x, $y) = @_;
1382		2304
		2305	return unless $self->contr->active;
		2306
1383	my $link_pos = delete $self->{_link_pos};	2307	my $link_pos = delete $self->{_link_pos};
1384		2308
1385	unless ($map) {	2309	unless ($map) {
1386	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1387
1388	# restore original map position	2310	# restore original map position
1389	($map, $x, $y) = @{ $link_pos || [] };	2311	($map, $x, $y) = @{ $link_pos || [] };
1390	$map = cf::map::find_map $map;	2312	$map = cf::map::find $map;
1391		2313
1392	unless ($map) {	2314	unless ($map) {
1393	($map, $x, $y) = @$EMERGENCY_POSITION;	2315	($map, $x, $y) = @$EMERGENCY_POSITION;
1394	$map = cf::map::find_map $map	2316	$map = cf::map::find $map
1395	or die "FATAL: cannot load emergency map\n";	2317	or die "FATAL: cannot load emergency map\n";
1396	}	2318	}
1397	}	2319	}
1398		2320
1399	($x, $y) = (-1, -1)	2321	($x, $y) = (-1, -1)
…		…
1402	# use -1 or undef as default coordinates, not 0, 0	2324	# use -1 or undef as default coordinates, not 0, 0
1403	($x, $y) = ($map->enter_x, $map->enter_y)	2325	($x, $y) = ($map->enter_x, $map->enter_y)
1404	if $x <=0 && $y <= 0;	2326	if $x <=0 && $y <= 0;
1405		2327
1406	$map->load;	2328	$map->load;
		2329	$map->load_neighbours;
1407		2330
		2331	return unless $self->contr->active;
1408	$self->activate_recursive;	2332	$self->activate_recursive;
		2333
		2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1409	$self->enter_map ($map, $x, $y);	2335	$self->enter_map ($map, $x, $y);
1410	}	2336	}
1411		2337
1412	=item $player_object->goto_map ($map, $x, $y)	2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1413		2339
1414	=cut	2340	Moves the player to the given map-path and coordinates by first freezing
		2341	her, loading and preparing them map, calling the provided $check callback
		2342	that has to return the map if sucecssful, and then unfreezes the player on
		2343	the new (success) or old (failed) map position. In either case, $done will
		2344	be called at the end of this process.
1415		2345
		2346	=cut
		2347
		2348	our $GOTOGEN;
		2349
1416	sub cf::object::player::goto_map {	2350	sub cf::object::player::goto {
1417	my ($self, $path, $x, $y) = @_;	2351	my ($self, $path, $x, $y, $check, $done) = @_;
		2352
		2353	# do generation counting so two concurrent goto's will be executed in-order
		2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1418		2355
1419	$self->enter_link;	2356	$self->enter_link;
1420		2357
1421	(Coro::async {	2358	(async {
1422	$path = new cf::path $path;	2359	my $map = eval {
1423
1424	my $map = cf::map::find_map $path->as_string;	2360	my $map = cf::map::find $path;
		2361
		2362	if ($map) {
1425	$map = $map->customise_for ($self) if $map;	2363	$map = $map->customise_for ($self);
		2364	$map = $check->($map) if $check && $map;
		2365	} else {
		2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2367	}
1426		2368
1427	warn "entering ", $map->path, " at ($x, $y)\n"
1428	if $map;	2369	$map
		2370	};
1429		2371
		2372	if ($@) {
		2373	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2374	LOG llevError | logBacktrace, Carp::longmess $@;
		2375	}
		2376
		2377	if ($gen == $self->{_goto_generation}) {
		2378	delete $self->{_goto_generation};
1430	$self->leave_link ($map, $x, $y);	2379	$self->leave_link ($map, $x, $y);
		2380	}
		2381
		2382	$done->() if $done;
1431	})->prio (1);	2383	})->prio (1);
1432	}	2384	}
1433		2385
1434	=item $player_object->enter_exit ($exit_object)	2386	=item $player_object->enter_exit ($exit_object)
1435		2387
…		…
1437		2389
1438	sub parse_random_map_params {	2390	sub parse_random_map_params {
1439	my ($spec) = @_;	2391	my ($spec) = @_;
1440		2392
1441	my $rmp = { # defaults	2393	my $rmp = { # defaults
1442	xsize => 10,	2394	xsize => (cf::rndm 15, 40),
1443	ysize => 10,	2395	ysize => (cf::rndm 15, 40),
		2396	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2397	#layout => string,
1444	};	2398	};
1445		2399
1446	for (split /\n/, $spec) {	2400	for (split /\n/, $spec) {
1447	my ($k, $v) = split /\s+/, $_, 2;	2401	my ($k, $v) = split /\s+/, $_, 2;
1448		2402
…		…
1452	$rmp	2406	$rmp
1453	}	2407	}
1454		2408
1455	sub prepare_random_map {	2409	sub prepare_random_map {
1456	my ($exit) = @_;	2410	my ($exit) = @_;
		2411
		2412	my $guard = cf::lock_acquire "exit_prepare:$exit";
1457		2413
1458	# all this does is basically replace the /! path by	2414	# all this does is basically replace the /! path by
1459	# a new random map path (?random/...) with a seed	2415	# a new random map path (?random/...) with a seed
1460	# that depends on the exit object	2416	# that depends on the exit object
1461		2417
1462	my $rmp = parse_random_map_params $exit->msg;	2418	my $rmp = parse_random_map_params $exit->msg;
1463		2419
1464	if ($exit->map) {	2420	if ($exit->map) {
1465	$rmp->{region} = $exit->map->region_name;	2421	$rmp->{region} = $exit->region->name;
1466	$rmp->{origin_map} = $exit->map->path;	2422	$rmp->{origin_map} = $exit->map->path;
1467	$rmp->{origin_x} = $exit->x;	2423	$rmp->{origin_x} = $exit->x;
1468	$rmp->{origin_y} = $exit->y;	2424	$rmp->{origin_y} = $exit->y;
1469	}	2425	}
1470		2426
1471	$rmp->{random_seed} ||= $exit->random_seed;	2427	$rmp->{random_seed} ||= $exit->random_seed;
1472		2428
1473	my $data = cf::to_json $rmp;	2429	my $data = cf::to_json $rmp;
1474	my $md5 = Digest::MD5::md5_hex $data;	2430	my $md5 = Digest::MD5::md5_hex $data;
		2431	my $meta = "$RANDOMDIR/$md5.meta";
1475		2432
1476	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1477	aio_write $fh, 0, (length $data), $data, 0;	2434	aio_write $fh, 0, (length $data), $data, 0;
		2435	undef $fh;
		2436	aio_rename "$meta~", $meta;
1478		2437
1479	$exit->slaying ("?random/$md5");	2438	$exit->slaying ("?random/$md5");
1480	$exit->msg (undef);	2439	$exit->msg (undef);
1481	}	2440	}
1482	}	2441	}
…		…
1484	sub cf::object::player::enter_exit {	2443	sub cf::object::player::enter_exit {
1485	my ($self, $exit) = @_;	2444	my ($self, $exit) = @_;
1486		2445
1487	return unless $self->type == cf::PLAYER;	2446	return unless $self->type == cf::PLAYER;
1488		2447
		2448	if ($exit->slaying eq "/!") {
		2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2450	# the problem is that $exit might not survive long enough
		2451	# so it needs to be done right now, right here
		2452	cf::sync_job { prepare_random_map $exit };
		2453	}
		2454
		2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2456	my $hp = $exit->stats->hp;
		2457	my $sp = $exit->stats->sp;
		2458
1489	$self->enter_link;	2459	$self->enter_link;
1490		2460
		2461	# if exit is damned, update players death & WoR home-position
		2462	$self->contr->savebed ($slaying, $hp, $sp)
		2463	if $exit->flag (FLAG_DAMNED);
		2464
1491	(Coro::async {	2465	(async {
		2466	$self->deactivate_recursive; # just to be sure
1492	unless (eval {	2467	unless (eval {
1493		2468	$self->goto ($slaying, $hp, $sp);
1494	prepare_random_map $exit
1495	if $exit->slaying eq "/!";
1496
1497	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1498	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1499		2469
1500	1;	2470	1;
1501	}) {	2471	}) {
1502	$self->message ("Something went wrong deep within the crossfire server. "	2472	$self->message ("Something went wrong deep within the crossfire server. "
1503	. "I'll try to bring you back to the map you were before. "	2473	. "I'll try to bring you back to the map you were before. "
1504	. "Please report this to the dungeon master",	2474	. "Please report this to the dungeon master!",
1505	cf::NDI_UNIQUE | cf::NDI_RED);	2475	cf::NDI_UNIQUE | cf::NDI_RED);
1506		2476
1507	warn "ERROR in enter_exit: $@";	2477	warn "ERROR in enter_exit: $@";
1508	$self->leave_link;	2478	$self->leave_link;
1509	}	2479	}
1510	})->prio (1);	2480	})->prio (1);
…		…
1523		2493
1524	sub cf::client::send_drawinfo {	2494	sub cf::client::send_drawinfo {
1525	my ($self, $text, $flags) = @_;	2495	my ($self, $text, $flags) = @_;
1526		2496
1527	utf8::encode $text;	2497	utf8::encode $text;
1528	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1529	}	2499	}
1530		2500
		2501	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2502
		2503	Send a drawinfo or msg packet to the client, formatting the msg for the
		2504	client if neccessary. C<$type> should be a string identifying the type of
		2505	the message, with C<log> being the default. If C<$color> is negative, suppress
		2506	the message unless the client supports the msg packet.
		2507
		2508	=cut
		2509
		2510	our %CHANNEL = (
		2511	"c/identify" => {
		2512	id => "identify",
		2513	title => "Identify",
		2514	reply => undef,
		2515	tooltip => "Items recently identified",
		2516	},
		2517	"c/examine" => {
		2518	id => "examine",
		2519	title => "Examine",
		2520	reply => undef,
		2521	tooltip => "Signs and other items you examined",
		2522	},
		2523	);
		2524
		2525	sub cf::client::send_msg {
		2526	my ($self, $channel, $msg, $color, @extra) = @_;
		2527
		2528	$msg = $self->pl->expand_cfpod ($msg);
		2529
		2530	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2531
		2532	# check predefined channels, for the benefit of C
		2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2534
		2535	if (ref $channel) {
		2536	# send meta info to client, if not yet sent
		2537	unless (exists $self->{channel}{$channel->{id}}) {
		2538	$self->{channel}{$channel->{id}} = $channel;
		2539	$self->ext_msg (channel_info => $channel);
		2540	}
		2541
		2542	$channel = $channel->{id};
		2543	}
		2544
		2545	return unless @extra || length $msg;
		2546
		2547	if ($self->can_msg) {
		2548	# default colour, mask it out
		2549	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2550	if $color & cf::NDI_DEF;
		2551
		2552	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2553	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2554	} else {
		2555	if ($color >= 0) {
		2556	# replace some tags by gcfclient-compatible ones
		2557	for ($msg) {
		2558	1 while
		2559	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2560	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2561	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2562	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2563	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2564	}
		2565
		2566	$color &= cf::NDI_COLOR_MASK;
		2567
		2568	utf8::encode $msg;
		2569
		2570	if (0 && $msg =~ /\[/) {
		2571	# COMMAND/INFO
		2572	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2573	} else {
		2574	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2575	$self->send_packet ("drawinfo $color $msg")
		2576	}
		2577	}
		2578	}
		2579	}
		2580
		2581	=item $client->ext_msg ($type, @msg)
		2582
		2583	Sends an ext event to the client.
		2584
		2585	=cut
		2586
		2587	sub cf::client::ext_msg($$@) {
		2588	my ($self, $type, @msg) = @_;
		2589
		2590	if ($self->extcmd == 2) {
		2591	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2592	} elsif ($self->extcmd == 1) { # TODO: remove
		2593	push @msg, msgtype => "event_$type";
		2594	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2595	}
		2596	}
		2597
		2598	=item $client->ext_reply ($msgid, @msg)
		2599
		2600	Sends an ext reply to the client.
		2601
		2602	=cut
		2603
		2604	sub cf::client::ext_reply($$@) {
		2605	my ($self, $id, @msg) = @_;
		2606
		2607	if ($self->extcmd == 2) {
		2608	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2609	} elsif ($self->extcmd == 1) {
		2610	#TODO: version 1, remove
		2611	unshift @msg, msgtype => "reply", msgid => $id;
		2612	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2613	}
		2614	}
1531		2615
1532	=item $success = $client->query ($flags, "text", \&cb)	2616	=item $success = $client->query ($flags, "text", \&cb)
1533		2617
1534	Queues a query to the client, calling the given callback with	2618	Queues a query to the client, calling the given callback with
1535	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2619	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1536	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2620	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1537		2621
1538	Queries can fail, so check the return code. Or don't, as queries will become	2622	Queries can fail, so check the return code. Or don't, as queries will
1539	reliable at some point in the future.	2623	become reliable at some point in the future.
1540		2624
1541	=cut	2625	=cut
1542		2626
1543	sub cf::client::query {	2627	sub cf::client::query {
1544	my ($self, $flags, $text, $cb) = @_;	2628	my ($self, $flags, $text, $cb) = @_;
…		…
1552	utf8::encode $text;	2636	utf8::encode $text;
1553	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2637	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1554		2638
1555	$self->send_packet ($self->{query_queue}[0][0])	2639	$self->send_packet ($self->{query_queue}[0][0])
1556	if @{ $self->{query_queue} } == 1;	2640	if @{ $self->{query_queue} } == 1;
		2641
		2642	1
1557	}	2643	}
1558		2644
1559	cf::client->attach (	2645	cf::client->attach (
		2646	on_connect => sub {
		2647	my ($ns) = @_;
		2648
		2649	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2650	},
1560	on_reply => sub {	2651	on_reply => sub {
1561	my ($ns, $msg) = @_;	2652	my ($ns, $msg) = @_;
1562		2653
1563	# this weird shuffling is so that direct followup queries	2654	# this weird shuffling is so that direct followup queries
1564	# get handled first	2655	# get handled first
1565	my $queue = delete $ns->{query_queue};	2656	my $queue = delete $ns->{query_queue}
		2657	or return; # be conservative, not sure how that can happen, but we saw a crash here
1566		2658
1567	(shift @$queue)->[1]->($msg);	2659	(shift @$queue)->[1]->($msg);
		2660	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1568		2661
1569	push @{ $ns->{query_queue} }, @$queue;	2662	push @{ $ns->{query_queue} }, @$queue;
1570		2663
1571	if (@{ $ns->{query_queue} } == @$queue) {	2664	if (@{ $ns->{query_queue} } == @$queue) {
1572	if (@$queue) {	2665	if (@$queue) {
…		…
1574	} else {	2667	} else {
1575	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2668	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1576	}	2669	}
1577	}	2670	}
1578	},	2671	},
		2672	on_exticmd => sub {
		2673	my ($ns, $buf) = @_;
		2674
		2675	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2676
		2677	if (ref $msg) {
		2678	my ($type, $reply, @payload) =
		2679	"ARRAY" eq ref $msg
		2680	? @$msg
		2681	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2682
		2683	my @reply;
		2684
		2685	if (my $cb = $EXTICMD{$type}) {
		2686	@reply = $cb->($ns, @payload);
		2687	}
		2688
		2689	$ns->ext_reply ($reply, @reply)
		2690	if $reply;
		2691
		2692	} else {
		2693	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2694	}
		2695
		2696	cf::override;
		2697	},
1579	);	2698	);
1580		2699
1581	=item $client->coro (\&cb)	2700	=item $client->async (\&cb)
1582		2701
1583	Create a new coroutine, running the specified callback. The coroutine will	2702	Create a new coroutine, running the specified callback. The coroutine will
1584	be automatically cancelled when the client gets destroyed (e.g. on logout,	2703	be automatically cancelled when the client gets destroyed (e.g. on logout,
1585	or loss of connection).	2704	or loss of connection).
1586		2705
1587	=cut	2706	=cut
1588		2707
1589	sub cf::client::coro {	2708	sub cf::client::async {
1590	my ($self, $cb) = @_;	2709	my ($self, $cb) = @_;
1591		2710
1592	my $coro; $coro = async {	2711	my $coro = &Coro::async ($cb);
1593	eval {
1594	$cb->();
1595	};
1596	warn $@ if $@;
1597	};
1598		2712
1599	$coro->on_destroy (sub {	2713	$coro->on_destroy (sub {
1600	delete $self->{_coro}{$coro+0};	2714	delete $self->{_coro}{$coro+0};
1601	});	2715	});
1602		2716
…		…
1629	our $safe = new Safe "safe";	2743	our $safe = new Safe "safe";
1630	our $safe_hole = new Safe::Hole;	2744	our $safe_hole = new Safe::Hole;
1631		2745
1632	$SIG{FPE} = 'IGNORE';	2746	$SIG{FPE} = 'IGNORE';
1633		2747
1634	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2748	$safe->permit_only (Opcode::opset qw(
		2749	:base_core :base_mem :base_orig :base_math
		2750	grepstart grepwhile mapstart mapwhile
		2751	sort time
		2752	));
1635		2753
1636	# here we export the classes and methods available to script code	2754	# here we export the classes and methods available to script code
1637		2755
1638	=pod	2756	=pod
1639		2757
1640	The following fucntions and emthods are available within a safe environment:	2758	The following functions and methods are available within a safe environment:
1641		2759
1642	cf::object contr pay_amount pay_player map	2760	cf::object
		2761	contr pay_amount pay_player map x y force_find force_add
		2762	insert remove name archname title slaying race decrease_ob_nr
		2763
1643	cf::object::player player	2764	cf::object::player
1644	cf::player peaceful	2765	player
1645	cf::map trigger	2766
		2767	cf::player
		2768	peaceful
		2769
		2770	cf::map
		2771	trigger
1646		2772
1647	=cut	2773	=cut
1648		2774
1649	for (	2775	for (
1650	["cf::object" => qw(contr pay_amount pay_player map)],	2776	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2777	insert remove inv name archname title slaying race
		2778	decrease_ob_nr)],
1651	["cf::object::player" => qw(player)],	2779	["cf::object::player" => qw(player)],
1652	["cf::player" => qw(peaceful)],	2780	["cf::player" => qw(peaceful)],
1653	["cf::map" => qw(trigger)],	2781	["cf::map" => qw(trigger)],
1654	) {	2782	) {
1655	no strict 'refs';	2783	no strict 'refs';
…		…
1726	=back	2854	=back
1727		2855
1728	=cut	2856	=cut
1729		2857
1730	#############################################################################	2858	#############################################################################
		2859	# the server's init and main functions
1731		2860
1732	=head2 EXTENSION DATABASE SUPPORT	2861	sub load_facedata($) {
		2862	my ($path) = @_;
1733		2863
1734	Crossfire maintains a very simple database for extension use. It can	2864	# HACK to clear player env face cache, we need some signal framework
1735	currently store anything that can be serialised using Storable, which	2865	# for this (global event?)
1736	excludes objects.	2866	%ext::player_env::MUSIC_FACE_CACHE = ();
1737		2867
1738	The parameter C<$family> should best start with the name of the extension	2868	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1739	using it, it should be unique.
1740		2869
1741	=over 4	2870	warn "loading facedata from $path\n";
1742		2871
1743	=item $hashref = cf::db_get $family	2872	my $facedata;
		2873	0 < aio_load $path, $facedata
		2874	or die "$path: $!";
1744		2875
1745	Return a hashref for use by the extension C<$family>, which can be	2876	$facedata = Coro::Storable::thaw $facedata;
1746	modified. After modifications, you have to call C<cf::db_dirty> or
1747	C<cf::db_sync>.
1748		2877
1749	=item $value = cf::db_get $family => $key	2878	$facedata->{version} == 2
		2879	or cf::cleanup "$path: version mismatch, cannot proceed.";
1750		2880
1751	Returns a single value from the database	2881	# patch in the exptable
1752		2882	$facedata->{resource}{"res/exp_table"} = {
1753	=item cf::db_put $family => $hashref	2883	type => FT_RSRC,
1754		2884	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1755	Stores the given family hashref into the database. Updates are delayed, if
1756	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1757
1758	=item cf::db_put $family => $key => $value
1759
1760	Stores the given C<$value> in the family hash. Updates are delayed, if you
1761	want the data to be synced to disk immediately, use C<cf::db_sync>.
1762
1763	=item cf::db_dirty
1764
1765	Marks the database as dirty, to be updated at a later time.
1766
1767	=item cf::db_sync
1768
1769	Immediately write the database to disk I<if it is dirty>.
1770
1771	=cut
1772
1773	our $DB;
1774
1775	{
1776	my $path = cf::localdir . "/database.pst";
1777
1778	sub db_load() {
1779	warn "loading database $path\n";#d# remove later
1780	$DB = stat $path ? Storable::retrieve $path : { };
1781	}
1782
1783	my $pid;
1784
1785	sub db_save() {
1786	warn "saving database $path\n";#d# remove later
1787	waitpid $pid, 0 if $pid;
1788	if (0 == ($pid = fork)) {
1789	$DB->{_meta}{version} = 1;
1790	Storable::nstore $DB, "$path~";
1791	rename "$path~", $path;
1792	cf::_exit 0 if defined $pid;
1793	}
1794	}
1795
1796	my $dirty;
1797
1798	sub db_sync() {
1799	db_save if $dirty;
1800	undef $dirty;
1801	}
1802
1803	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1804	db_sync;
1805	});	2885	};
		2886	cf::cede_to_tick;
1806		2887
1807	sub db_dirty() {
1808	$dirty = 1;
1809	$idle->start;
1810	}	2888	{
		2889	my $faces = $facedata->{faceinfo};
1811		2890
1812	sub db_get($;$) {	2891	while (my ($face, $info) = each %$faces) {
1813	@_ >= 2	2892	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1814	? $DB->{$_[0]}{$_[1]}	2893	cf::face::set_visibility $idx, $info->{visibility};
1815	: ($DB->{$_[0]} ||= { })	2894	cf::face::set_magicmap $idx, $info->{magicmap};
1816	}	2895	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2896	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1817		2897
1818	sub db_put($$;$) {	2898	cf::cede_to_tick;
1819	if (@_ >= 3) {
1820	$DB->{$_[0]}{$_[1]} = $_[2];
1821	} else {
1822	$DB->{$_[0]} = $_[1];
1823	}
1824	db_dirty;
1825	}
1826
1827	cf::global->attach (
1828	prio => 10000,
1829	on_cleanup => sub {
1830	db_sync;
1831	},	2899	}
1832	);
1833	}
1834		2900
1835	#############################################################################	2901	while (my ($face, $info) = each %$faces) {
1836	# the server's main()	2902	next unless $info->{smooth};
		2903	my $idx = cf::face::find $face
		2904	or next;
		2905	if (my $smooth = cf::face::find $info->{smooth}) {
		2906	cf::face::set_smooth $idx, $smooth;
		2907	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2908	} else {
		2909	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2910	}
1837		2911
1838	sub cfg_load {	2912	cf::cede_to_tick;
		2913	}
		2914	}
		2915
		2916	{
		2917	my $anims = $facedata->{animinfo};
		2918
		2919	while (my ($anim, $info) = each %$anims) {
		2920	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2921	cf::cede_to_tick;
		2922	}
		2923
		2924	cf::anim::invalidate_all; # d'oh
		2925	}
		2926
		2927	{
		2928	# TODO: for gcfclient pleasure, we should give resources
		2929	# that gcfclient doesn't grok a >10000 face index.
		2930	my $res = $facedata->{resource};
		2931
		2932	my $soundconf = delete $res->{"res/sound.conf"};
		2933
		2934	while (my ($name, $info) = each %$res) {
		2935	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2936	my $data;
		2937
		2938	if ($info->{type} & 1) {
		2939	# prepend meta info
		2940
		2941	my $meta = $enc->encode ({
		2942	name => $name,
		2943	%{ $info->{meta} || {} },
		2944	});
		2945
		2946	$data = pack "(w/a*)*", $meta, $info->{data};
		2947	} else {
		2948	$data = $info->{data};
		2949	}
		2950
		2951	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2952	cf::face::set_type $idx, $info->{type};
		2953
		2954	cf::cede_to_tick;
		2955	}
		2956
		2957	if ($soundconf) {
		2958	$soundconf = $enc->decode (delete $soundconf->{data});
		2959
		2960	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2961	my $sound = $soundconf->{compat}[$_]
		2962	or next;
		2963
		2964	my $face = cf::face::find "sound/$sound->[1]";
		2965	cf::sound::set $sound->[0] => $face;
		2966	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2967	}
		2968
		2969	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2970	my $face = cf::face::find "sound/$v";
		2971	cf::sound::set $k => $face;
		2972	}
		2973	}
		2974	}
		2975
		2976	1
		2977	}
		2978
		2979	register_exticmd fx_want => sub {
		2980	my ($ns, $want) = @_;
		2981
		2982	while (my ($k, $v) = each %$want) {
		2983	$ns->fx_want ($k, $v);
		2984	}
		2985	};
		2986
		2987	sub reload_regions {
		2988	# HACK to clear player env face cache, we need some signal framework
		2989	# for this (global event?)
		2990	%ext::player_env::MUSIC_FACE_CACHE = ();
		2991
		2992	load_resource_file "$MAPDIR/regions"
		2993	or die "unable to load regions file\n";
		2994
		2995	for (cf::region::list) {
		2996	$_->{match} = qr/$_->{match}/
		2997	if exists $_->{match};
		2998	}
		2999	}
		3000
		3001	sub reload_facedata {
		3002	load_facedata "$DATADIR/facedata"
		3003	or die "unable to load facedata\n";
		3004	}
		3005
		3006	sub reload_archetypes {
		3007	load_resource_file "$DATADIR/archetypes"
		3008	or die "unable to load archetypes\n";
		3009	#d# NEED to laod twice to resolve forward references
		3010	# this really needs to be done in an extra post-pass
		3011	# (which needs to be synchronous, so solve it differently)
		3012	load_resource_file "$DATADIR/archetypes"
		3013	or die "unable to load archetypes\n";
		3014	}
		3015
		3016	sub reload_treasures {
		3017	load_resource_file "$DATADIR/treasures"
		3018	or die "unable to load treasurelists\n";
		3019	}
		3020
		3021	sub reload_resources {
		3022	warn "reloading resource files...\n";
		3023
		3024	reload_regions;
		3025	reload_facedata;
		3026	#reload_archetypes;#d#
		3027	reload_archetypes;
		3028	reload_treasures;
		3029
		3030	warn "finished reloading resource files\n";
		3031	}
		3032
		3033	sub init {
		3034	reload_resources;
		3035	}
		3036
		3037	sub reload_config {
1839	open my $fh, "<:utf8", cf::confdir . "/config"	3038	open my $fh, "<:utf8", "$CONFDIR/config"
1840	or return;	3039	or return;
1841		3040
1842	local $/;	3041	local $/;
1843	*CFG = YAML::Syck::Load <$fh>;	3042	*CFG = YAML::Syck::Load <$fh>;
		3043
		3044	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3045
		3046	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3047	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3048
		3049	if (exists $CFG{mlockall}) {
		3050	eval {
		3051	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3052	and die "WARNING: m(un)lockall failed: $!\n";
		3053	};
		3054	warn $@ if $@;
		3055	}
1844	}	3056	}
1845		3057
1846	sub main {	3058	sub main {
1847	# we must not ever block the main coroutine	3059	# we must not ever block the main coroutine
1848	local $Coro::idle = sub {	3060	local $Coro::idle = sub {
1849	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	3061	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1850	(Coro::unblock_sub {	3062	(async {
1851	Event::one_event;	3063	Event::one_event;
1852	})->();	3064	})->prio (Coro::PRIO_MAX);
1853	};	3065	};
1854		3066
1855	cfg_load;	3067	reload_config;
1856	db_load;	3068	db_init;
1857	load_extensions;	3069	load_extensions;
		3070
		3071	$TICK_WATCHER->start;
1858	Event::loop;	3072	Event::loop;
1859	}	3073	}
1860		3074
1861	#############################################################################	3075	#############################################################################
1862	# initialisation	3076	# initialisation and cleanup
1863		3077
		3078	# install some emergency cleanup handlers
		3079	BEGIN {
		3080	for my $signal (qw(INT HUP TERM)) {
		3081	Event->signal (
		3082	reentrant => 0,
		3083	data => WF_AUTOCANCEL,
		3084	signal => $signal,
		3085	prio => 0,
		3086	cb => sub {
		3087	cf::cleanup "SIG$signal";
		3088	},
		3089	);
		3090	}
		3091	}
		3092
		3093	sub write_runtime {
		3094	my $runtime = "$LOCALDIR/runtime";
		3095
		3096	# first touch the runtime file to show we are still running:
		3097	# the fsync below can take a very very long time.
		3098
		3099	IO::AIO::aio_utime $runtime, undef, undef;
		3100
		3101	my $guard = cf::lock_acquire "write_runtime";
		3102
		3103	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3104	or return;
		3105
		3106	my $value = $cf::RUNTIME + 90 + 10;
		3107	# 10 is the runtime save interval, for a monotonic clock
		3108	# 60 allows for the watchdog to kill the server.
		3109
		3110	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3111	and return;
		3112
		3113	# always fsync - this file is important
		3114	aio_fsync $fh
		3115	and return;
		3116
		3117	# touch it again to show we are up-to-date
		3118	aio_utime $fh, undef, undef;
		3119
		3120	close $fh
		3121	or return;
		3122
		3123	aio_rename "$runtime~", $runtime
		3124	and return;
		3125
		3126	warn "runtime file written.\n";
		3127
		3128	1
		3129	}
		3130
		3131	sub emergency_save() {
		3132	my $freeze_guard = cf::freeze_mainloop;
		3133
		3134	warn "enter emergency perl save\n";
		3135
		3136	cf::sync_job {
		3137	# use a peculiar iteration method to avoid tripping on perl
		3138	# refcount bugs in for. also avoids problems with players
		3139	# and maps saved/destroyed asynchronously.
		3140	warn "begin emergency player save\n";
		3141	for my $login (keys %cf::PLAYER) {
		3142	my $pl = $cf::PLAYER{$login} or next;
		3143	$pl->valid or next;
		3144	$pl->save;
		3145	}
		3146	warn "end emergency player save\n";
		3147
		3148	warn "begin emergency map save\n";
		3149	for my $path (keys %cf::MAP) {
		3150	my $map = $cf::MAP{$path} or next;
		3151	$map->valid or next;
		3152	$map->save;
		3153	}
		3154	warn "end emergency map save\n";
		3155
		3156	warn "begin emergency database checkpoint\n";
		3157	BDB::db_env_txn_checkpoint $DB_ENV;
		3158	warn "end emergency database checkpoint\n";
		3159	};
		3160
		3161	warn "leave emergency perl save\n";
		3162	}
		3163
		3164	sub post_cleanup {
		3165	my ($make_core) = @_;
		3166
		3167	warn Carp::longmess "post_cleanup backtrace"
		3168	if $make_core;
		3169	}
		3170
1864	sub reload() {	3171	sub do_reload_perl() {
1865	# can/must only be called in main	3172	# can/must only be called in main
1866	if ($Coro::current != $Coro::main) {	3173	if ($Coro::current != $Coro::main) {
1867	warn "can only reload from main coroutine\n";	3174	warn "can only reload from main coroutine";
1868	return;	3175	return;
1869	}	3176	}
1870		3177
1871	warn "reloading...";	3178	warn "reloading...";
1872		3179
1873	local $FREEZE = 1;	3180	warn "entering sync_job";
		3181
		3182	cf::sync_job {
		3183	cf::write_runtime; # external watchdog should not bark
1874	cf::emergency_save;	3184	cf::emergency_save;
		3185	cf::write_runtime; # external watchdog should not bark
1875		3186
1876	eval {	3187	warn "syncing database to disk";
		3188	BDB::db_env_txn_checkpoint $DB_ENV;
		3189
1877	# if anything goes wrong in here, we should simply crash as we already saved	3190	# if anything goes wrong in here, we should simply crash as we already saved
1878		3191
1879	# cancel all watchers	3192	warn "cancelling all WF_AUTOCANCEL watchers";
1880	for (Event::all_watchers) {	3193	for (Event::all_watchers) {
1881	$_->cancel if $_->data & WF_AUTOCANCEL;	3194	$_->cancel if $_->data & WF_AUTOCANCEL;
1882	}	3195	}
1883		3196
		3197	warn "flushing outstanding aio requests";
		3198	for (;;) {
		3199	BDB::flush;
		3200	IO::AIO::flush;
		3201	Coro::cede;
		3202	last unless IO::AIO::nreqs || BDB::nreqs;
		3203	warn "iterate...";
		3204	}
		3205
		3206	++$RELOAD;
		3207
1884	# cancel all extension coros	3208	warn "cancelling all extension coros";
1885	$_->cancel for values %EXT_CORO;	3209	$_->cancel for values %EXT_CORO;
1886	%EXT_CORO = ();	3210	%EXT_CORO = ();
1887		3211
1888	# unload all extensions	3212	warn "removing commands";
1889	for (@exts) {	3213	%COMMAND = ();
		3214
		3215	warn "removing ext/exti commands";
		3216	%EXTCMD = ();
		3217	%EXTICMD = ();
		3218
		3219	warn "unloading/nuking all extensions";
		3220	for my $pkg (@EXTS) {
1890	warn "unloading <$_>";	3221	warn "... unloading $pkg";
1891	unload_extension $_;	3222
		3223	if (my $cb = $pkg->can ("unload")) {
		3224	eval {
		3225	$cb->($pkg);
		3226	1
		3227	} or warn "$pkg unloaded, but with errors: $@";
1892	}	3228	}
1893		3229
		3230	warn "... nuking $pkg";
		3231	Symbol::delete_package $pkg;
		3232	}
		3233
1894	# unload all modules loaded from $LIBDIR	3234	warn "unloading all perl modules loaded from $LIBDIR";
1895	while (my ($k, $v) = each %INC) {	3235	while (my ($k, $v) = each %INC) {
1896	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3236	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1897		3237
1898	warn "removing <$k>";	3238	warn "... unloading $k";
1899	delete $INC{$k};	3239	delete $INC{$k};
1900		3240
1901	$k =~ s/\.pm$//;	3241	$k =~ s/\.pm$//;
1902	$k =~ s/\//::/g;	3242	$k =~ s/\//::/g;
1903		3243
…		…
1906	}	3246	}
1907		3247
1908	Symbol::delete_package $k;	3248	Symbol::delete_package $k;
1909	}	3249	}
1910		3250
1911	# sync database to disk
1912	cf::db_sync;
1913	IO::AIO::flush;
1914
1915	# get rid of safe::, as good as possible	3251	warn "getting rid of safe::, as good as possible";
1916	Symbol::delete_package "safe::$_"	3252	Symbol::delete_package "safe::$_"
1917	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3253	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1918		3254
1919	# remove register_script_function callbacks
1920	# TODO
1921
1922	# unload cf.pm "a bit"	3255	warn "unloading cf.pm \"a bit\"";
1923	delete $INC{"cf.pm"};	3256	delete $INC{"cf.pm"};
		3257	delete $INC{"cf/pod.pm"};
1924		3258
1925	# don't, removes xs symbols, too,	3259	# don't, removes xs symbols, too,
1926	# and global variables created in xs	3260	# and global variables created in xs
1927	#Symbol::delete_package __PACKAGE__;	3261	#Symbol::delete_package __PACKAGE__;
1928		3262
1929	# reload cf.pm	3263	warn "unload completed, starting to reload now";
		3264
1930	warn "reloading cf.pm";	3265	warn "reloading cf.pm";
1931	require cf;	3266	require cf;
1932	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3267	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1933		3268
1934	# load config and database again	3269	warn "loading config and database again";
1935	cf::cfg_load;	3270	cf::reload_config;
1936	cf::db_load;
1937		3271
1938	# load extensions
1939	warn "load extensions";	3272	warn "loading extensions";
1940	cf::load_extensions;	3273	cf::load_extensions;
1941		3274
1942	# reattach attachments to objects	3275	warn "reattaching attachments to objects/players";
1943	warn "reattach";	3276	_global_reattach; # objects, sockets
1944	_global_reattach;	3277	warn "reattaching attachments to maps";
1945	};	3278	reattach $_ for values %MAP;
		3279	warn "reattaching attachments to players";
		3280	reattach $_ for values %PLAYER;
1946		3281
1947	if ($@) {	3282	warn "leaving sync_job";
		3283
		3284	1
		3285	} or do {
1948	warn $@;	3286	warn $@;
1949	warn "error while reloading, exiting.";	3287	warn "error while reloading, exiting.";
1950	exit 1;	3288	exit 1;
1951	}	3289	};
1952		3290
1953	warn "reloaded successfully";	3291	warn "reloaded";
1954	};	3292	};
1955		3293
1956	#############################################################################	3294	our $RELOAD_WATCHER; # used only during reload
1957		3295
1958	unless ($LINK_MAP) {	3296	sub reload_perl() {
1959	$LINK_MAP = cf::map::new;	3297	# doing reload synchronously and two reloads happen back-to-back,
		3298	# coro crashes during coro_state_free->destroy here.
1960		3299
1961	$LINK_MAP->width (41);	3300	$RELOAD_WATCHER ||= Event->timer (
1962	$LINK_MAP->height (41);	3301	reentrant => 0,
1963	$LINK_MAP->alloc;
1964	$LINK_MAP->path ("{link}");
1965	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1966	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1967
1968	# dirty hack because... archetypes are not yet loaded
1969	Event->timer (
1970	after => 2,	3302	after => 0,
		3303	data => WF_AUTOCANCEL,
1971	cb => sub {	3304	cb => sub {
1972	$_[0]->w->cancel;	3305	do_reload_perl;
1973		3306	undef $RELOAD_WATCHER;
1974	# provide some exits "home"
1975	my $exit = cf::object::new "exit";
1976
1977	$exit->slaying ($EMERGENCY_POSITION->[0]);
1978	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1979	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1980
1981	$LINK_MAP->insert ($exit->clone, 19, 19);
1982	$LINK_MAP->insert ($exit->clone, 19, 20);
1983	$LINK_MAP->insert ($exit->clone, 19, 21);
1984	$LINK_MAP->insert ($exit->clone, 20, 19);
1985	$LINK_MAP->insert ($exit->clone, 20, 21);
1986	$LINK_MAP->insert ($exit->clone, 21, 19);
1987	$LINK_MAP->insert ($exit->clone, 21, 20);
1988	$LINK_MAP->insert ($exit->clone, 21, 21);
1989
1990	$exit->destroy;
1991	});	3307	},
1992		3308	);
1993	$LINK_MAP->{deny_save} = 1;
1994	$LINK_MAP->{deny_reset} = 1;
1995
1996	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1997	}	3309	}
1998
1999	register "<global>", __PACKAGE__;
2000		3310
2001	register_command "reload" => sub {	3311	register_command "reload" => sub {
2002	my ($who, $arg) = @_;	3312	my ($who, $arg) = @_;
2003		3313
2004	if ($who->flag (FLAG_WIZ)) {	3314	if ($who->flag (FLAG_WIZ)) {
2005	$who->message ("start of reload.");
2006	reload;
2007	$who->message ("end of reload.");	3315	$who->message ("reloading server.");
		3316	async { reload_perl };
2008	}	3317	}
2009	};	3318	};
2010		3319
2011	unshift @INC, $LIBDIR;	3320	unshift @INC, $LIBDIR;
2012		3321
		3322	my $bug_warning = 0;
		3323
		3324	our @WAIT_FOR_TICK;
		3325	our @WAIT_FOR_TICK_BEGIN;
		3326
		3327	sub wait_for_tick {
		3328	return unless $TICK_WATCHER->is_active;
		3329	return if $Coro::current == $Coro::main;
		3330
		3331	my $signal = new Coro::Signal;
		3332	push @WAIT_FOR_TICK, $signal;
		3333	$signal->wait;
		3334	}
		3335
		3336	sub wait_for_tick_begin {
		3337	return unless $TICK_WATCHER->is_active;
		3338	return if $Coro::current == $Coro::main;
		3339
		3340	my $signal = new Coro::Signal;
		3341	push @WAIT_FOR_TICK_BEGIN, $signal;
		3342	$signal->wait;
		3343	}
		3344
		3345	my $min = 1e6;#d#
		3346	my $avg = 10;
2013	$TICK_WATCHER = Event->timer (	3347	$TICK_WATCHER = Event->timer (
2014	reentrant => 0,	3348	reentrant => 0,
		3349	parked => 1,
2015	prio => 0,	3350	prio => 0,
2016	at => $NEXT_TICK || $TICK,	3351	at => $NEXT_TICK || $TICK,
2017	data => WF_AUTOCANCEL,	3352	data => WF_AUTOCANCEL,
2018	cb => sub {	3353	cb => sub {
2019	unless ($FREEZE) {	3354	if ($Coro::current != $Coro::main) {
		3355	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3356	unless ++$bug_warning > 10;
		3357	return;
		3358	}
		3359
		3360	$NOW = $tick_start = Event::time;
		3361
2020	cf::server_tick; # one server iteration	3362	cf::server_tick; # one server iteration
2021	$RUNTIME += $TICK;	3363
		3364	0 && sync_job {#d#
		3365	for(1..10) {
		3366	my $t = Event::time;
		3367	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3368	or die;
		3369
		3370	$map->width (50);
		3371	$map->height (50);
		3372	$map->alloc;
		3373	$map->_load_objects ("/tmp/x.map", 1);
		3374	my $t = Event::time - $t;
		3375
		3376	#next unless $t < 0.0013;#d#
		3377	if ($t < $min) {
		3378	$min = $t;
		3379	}
		3380	$avg = $avg * 0.99 + $t * 0.01;
		3381	}
		3382	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3383	exit 0;
		3384	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
2022	}	3385	};
2023		3386
		3387	$RUNTIME += $TICK;
2024	$NEXT_TICK += $TICK;	3388	$NEXT_TICK += $TICK;
2025		3389
		3390	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3391	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3392	Coro::async_pool {
		3393	write_runtime
		3394	or warn "ERROR: unable to write runtime file: $!";
		3395	};
		3396	}
		3397
		3398	# my $AFTER = Event::time;
		3399	# warn $AFTER - $NOW;#d#
		3400
		3401	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3402	$sig->send;
		3403	}
		3404	while (my $sig = shift @WAIT_FOR_TICK) {
		3405	$sig->send;
		3406	}
		3407
		3408	$NOW = Event::time;
		3409
2026	# if we are delayed by four ticks or more, skip them all	3410	# if we are delayed by four ticks or more, skip them all
2027	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3411	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2028		3412
2029	$TICK_WATCHER->at ($NEXT_TICK);	3413	$TICK_WATCHER->at ($NEXT_TICK);
2030	$TICK_WATCHER->start;	3414	$TICK_WATCHER->start;
		3415
		3416	$LOAD = ($NOW - $tick_start) / $TICK;
		3417	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3418
		3419	_post_tick;
		3420
		3421
2031	},	3422	},
2032	);	3423	);
2033		3424
		3425	{
2034	IO::AIO::max_poll_time $TICK * 0.2;	3426	BDB::max_poll_time $TICK * 0.1;
2035		3427	$BDB_POLL_WATCHER = Event->io (
2036	Event->io (	3428	reentrant => 0,
2037	fd => IO::AIO::poll_fileno,	3429	fd => BDB::poll_fileno,
2038	poll => 'r',	3430	poll => 'r',
2039	prio => 5,	3431	prio => 0,
2040	data => WF_AUTOCANCEL,
2041	cb => \&IO::AIO::poll_cb,
2042	);
2043
2044	Event->timer (
2045	data => WF_AUTOCANCEL,	3432	data => WF_AUTOCANCEL,
2046	after => 0,	3433	cb => \&BDB::poll_cb,
2047	interval => 10,	3434	);
2048	cb => sub {	3435	BDB::min_parallel 8;
2049	(Coro::unblock_sub {	3436
2050	write_runtime	3437	BDB::set_sync_prepare {
2051	or warn "ERROR: unable to write runtime file: $!";	3438	my $status;
		3439	my $current = $Coro::current;
		3440	(
		3441	sub {
		3442	$status = $!;
		3443	$current->ready; undef $current;
		3444	},
		3445	sub {
		3446	Coro::schedule while defined $current;
		3447	$! = $status;
		3448	},
		3449	)
		3450	};
		3451
		3452	unless ($DB_ENV) {
		3453	$DB_ENV = BDB::db_env_create;
		3454
		3455	cf::sync_job {
		3456	eval {
		3457	BDB::db_env_open
		3458	$DB_ENV,
		3459	$BDBDIR,
		3460	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3461	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3462	0666;
		3463
		3464	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3465
		3466	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3467	$DB_ENV->set_lk_detect;
		3468	};
		3469
		3470	cf::cleanup "db_env_open(db): $@" if $@;
2052	})->();	3471	};
2053	},	3472	}
2054	);	3473	}
		3474
		3475	{
		3476	IO::AIO::min_parallel 8;
		3477
		3478	undef $Coro::AIO::WATCHER;
		3479	IO::AIO::max_poll_time $TICK * 0.1;
		3480	$AIO_POLL_WATCHER = Event->io (
		3481	reentrant => 0,
		3482	data => WF_AUTOCANCEL,
		3483	fd => IO::AIO::poll_fileno,
		3484	poll => 'r',
		3485	prio => 6,
		3486	cb => \&IO::AIO::poll_cb,
		3487	);
		3488	}
		3489
		3490	my $_log_backtrace;
		3491
		3492	sub _log_backtrace {
		3493	my ($msg, @addr) = @_;
		3494
		3495	$msg =~ s/\n//;
		3496
		3497	# limit the # of concurrent backtraces
		3498	if ($_log_backtrace < 2) {
		3499	++$_log_backtrace;
		3500	async {
		3501	my @bt = fork_call {
		3502	@addr = map { sprintf "%x", $_ } @addr;
		3503	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3504	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3505	or die "addr2line: $!";
		3506
		3507	my @funcs;
		3508	my @res = <$fh>;
		3509	chomp for @res;
		3510	while (@res) {
		3511	my ($func, $line) = splice @res, 0, 2, ();
		3512	push @funcs, "[$func] $line";
		3513	}
		3514
		3515	@funcs
		3516	};
		3517
		3518	LOG llevInfo, "[ABT] $msg\n";
		3519	LOG llevInfo, "[ABT] $_\n" for @bt;
		3520	--$_log_backtrace;
		3521	};
		3522	} else {
		3523	LOG llevInfo, "[ABT] $msg\n";
		3524	LOG llevInfo, "[ABT] [suppressed]\n";
		3525	}
		3526	}
		3527
		3528	# load additional modules
		3529	use cf::pod;
		3530
		3531	END { cf::emergency_save }
2055		3532
2056	1	3533	1
2057		3534

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