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/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.111 by root, Mon Jan 1 12:28:47 2007 UTC vs.
Revision 1.351 by root, Sun Sep 2 00:57:38 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.
…		…
197	=cut	409	=cut
198		410
199	sub sync_job(&) {	411	sub sync_job(&) {
200	my ($job) = @_;	412	my ($job) = @_;
201		413
202	my $busy = 1;
203	my @res;
204
205	my $coro = Coro::async {
206	@res = eval { $job->() };
207	warn $@ if $@;
208	undef $busy;
209	};
210
211	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
		417	# this is the main coro, too bad, we have to block
		418	# till the operation succeeds, freezing the server :/
		419
212	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
213	local $FREEZE = 1;	421	# (but this is cancel-safe)
		422	my $freeze_guard = freeze_mainloop;
		423
		424	my $busy = 1;
		425	my @res;
		426
		427	(async {
		428	@res = eval { $job->() };
		429	warn $@ if $@;
		430	undef $busy;
214	$coro->prio (Coro::PRIO_MAX);	431	})->prio (Coro::PRIO_MAX);
		432
215	while ($busy) {	433	while ($busy) {
216	Coro::cede_notself;	434	Coro::cede or Event::one_event;
217	Event::one_event unless Coro::nready;
218	}	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
		443
		444	wantarray ? @res : $res[0]
219	} else {	445	} else {
220	$coro->join;	446	# we are in another coroutine, how wonderful, everything just works
		447
		448	$job->()
221	}	449	}
222
223	wantarray ? @res : $res[0]
224	}	450	}
225		451
226	=item $coro = cf::coro { BLOCK }	452	=item $coro = cf::async_ext { BLOCK }
227		453
228	Creates and returns a new coro. This coro is automcatially being canceled	454	Like async, but this coro is automatically being canceled when the
229	when the extension calling this is being unloaded.	455	extension calling this is being unloaded.
230		456
231	=cut	457	=cut
232		458
233	sub coro(&) {	459	sub async_ext(&) {
234	my $cb = shift;	460	my $cb = shift;
235		461
236	my $coro; $coro = async {	462	my $coro = &Coro::async ($cb);
237	eval {
238	$cb->();
239	};
240	warn $@ if $@;
241	};
242		463
243	$coro->on_destroy (sub {	464	$coro->on_destroy (sub {
244	delete $EXT_CORO{$coro+0};	465	delete $EXT_CORO{$coro+0};
245	});	466	});
246	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
247		468
248	$coro	469	$coro
249	}	470	}
250		471
251	sub write_runtime {	472	=item fork_call { }, $args
252	my $runtime = cf::localdir . "/runtime";
253		473
254	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
255	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.
256		478
257	my $value = $cf::RUNTIME;	479	=cut
258	(aio_write $fh, 0, (length $value), $value, 0) <= 0
259	and return;
260		480
261	aio_fsync $fh	481	sub fork_call(&@) {
262	and return;	482	my ($cb, @args) = @_;
263		483
264	close $fh	484	# we seemingly have to make a local copy of the whole thing,
265	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
266		487
267	aio_rename "$runtime~", $runtime	488	my @res = Coro::Util::fork_eval {
268	and return;	489	reset_signals;
		490	&$cb
		491	}, @args;
269		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	};
270	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 });
271	}	621	}
272		622
273	=back	623	=back
274		624
275	=cut	625	=cut
276
277	#############################################################################
278
279	package cf::path;
280
281	sub new {
282	my ($class, $path, $base) = @_;
283
284	$path = $path->as_string if ref $path;
285
286	my $self = bless { }, $class;
287
288	if ($path =~ s{^\?random/}{}) {
289	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
290	$self->{random} = cf::from_json $data;
291	} else {
292	if ($path =~ s{^~([^/]+)?}{}) {
293	$self->{user_rel} = 1;
294
295	if (defined $1) {
296	$self->{user} = $1;
297	} elsif ($base =~ m{^~([^/]+)/}) {
298	$self->{user} = $1;
299	} else {
300	warn "cannot resolve user-relative path without user <$path,$base>\n";
301	}
302	} elsif ($path =~ /^\//) {
303	# already absolute
304	} else {
305	$base =~ s{[^/]+/?$}{};
306	return $class->new ("$base/$path");
307	}
308
309	for ($path) {
310	redo if s{/\.?/}{/};
311	redo if s{/[^/]+/\.\./}{/};
312	}
313	}
314
315	$self->{path} = $path;
316
317	$self
318	}
319
320	# the name / primary key / in-game path
321	sub as_string {
322	my ($self) = @_;
323
324	$self->{user_rel} ? "~$self->{user}$self->{path}"
325	: $self->{random} ? "?random/$self->{path}"
326	: $self->{path}
327	}
328
329	# the displayed name, this is a one way mapping
330	sub visible_name {
331	my ($self) = @_;
332
333	# if (my $rmp = $self->{random}) {
334	# # todo: be more intelligent about this
335	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
336	# } else {
337	$self->as_string
338	# }
339	}
340
341	# escape the /'s in the path
342	sub _escaped_path {
343	# ∕ is U+2215
344	(my $path = $_[0]{path}) =~ s/\//∕/g;
345	$path
346	}
347
348	# the original (read-only) location
349	sub load_path {
350	my ($self) = @_;
351
352	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
353	}
354
355	# the temporary/swap location
356	sub save_path {
357	my ($self) = @_;
358
359	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
360	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
361	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
362	}
363
364	# the unique path, might be eq to save_path
365	sub uniq_path {
366	my ($self) = @_;
367
368	$self->{user_rel} || $self->{random}
369	? undef
370	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
371	}
372
373	# return random map parameters, or undef
374	sub random_map_params {
375	my ($self) = @_;
376
377	$self->{random}
378	}
379
380	# this is somewhat ugly, but style maps do need special treatment
381	sub is_style_map {
382	$_[0]{path} =~ m{^/styles/}
383	}
384
385	package cf;
386		626
387	#############################################################################	627	#############################################################################
388		628
389	=head2 ATTACHABLE OBJECTS	629	=head2 ATTACHABLE OBJECTS
390		630
…		…
392	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")
393	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
394		634
395	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>
396	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
397	crossfire+).	637	Crossfire TRT).
398		638
399	=over 4	639	=over 4
400		640
401	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
402		642
…		…
516	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
517	our @CB_MAP = ();	757	our @CB_MAP = ();
518		758
519	my %attachment;	759	my %attachment;
520		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
521	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
522	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
523		769
524	use sort 'stable';	770	use sort 'stable';
525		771
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
560		806
561	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		811
566	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	813	my $pkg = shift @arg;
568		814
569	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
599	}	845	}
600		846
601	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
602	} else {	848	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	850	}
605		851
606	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
607	}	853	}
608		854
…		…
610	if (ref $_[0]) {	856	if (ref $_[0]) {
611	_object_attach @_;	857	_object_attach @_;
612	} else {	858	} else {
613	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
614	}	860	}
		861	_recalc_want;
615	};	862	};
616		863
617	# all those should be optimised	864	# all those should be optimised
618	sub cf::attachable::detach {	865	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
623	reattach ($obj);	870	reattach ($obj);
624	} else {	871	} else {
625	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
626	}	873	}
		874	_recalc_want;
627	};	875	};
628		876
629	sub cf::attachable::attached {	877	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
631		879
…		…
646	";	894	";
647	die if $@;	895	die if $@;
648	}	896	}
649		897
650	our $override;	898	our $override;
651	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?
652		900
653	sub override {	901	sub override {
654	$override = 1;	902	$override = 1;
655	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
656	}	904	}
657		905
658	sub do_invoke {	906	sub do_invoke {
659	my $event = shift;	907	my $event = shift;
660	my $callbacks = shift;	908	my $callbacks = shift;
661		909
662	@invoke_results = ();	910	@INVOKE_RESULTS = ();
663		911
664	local $override;	912	local $override;
665		913
666	for (@$callbacks) {	914	for (@$callbacks) {
667	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
684		932
685	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
686		934
687	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
688	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
689	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		938
691	=back	939	=back
692		940
693	=cut	941	=cut
694		942
695	#############################################################################	943	#############################################################################
696	# 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	}
697		956
698	sub reattach {	957	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		962
702	my $registry = $obj->registry;	963	my $registry = $obj->registry;
703		964
704	@$registry = ();	965	@$registry = ();
705		966
…		…
752	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
753		1014
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1019	close $fh;
759		1020
760	if (@$objs) {	1021	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1027	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
768	}	1029	}
769	} else {	1030	} else {
770	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
798	or return;	1059	or return;
799		1060
800	unless (aio_stat "$filename.pst") {	1061	unless (aio_stat "$filename.pst") {
801	(aio_load "$filename.pst", $av) >= 0	1062	(aio_load "$filename.pst", $av) >= 0
802	or return;	1063	or return;
803	$av = eval { (Storable::thaw <$av>)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
804	}	1065	}
805		1066
		1067	warn sprintf "loading %s (%d)\n",
		1068	$filename, length $data, scalar @{$av || []};
806	return ($data, $av);	1069	return ($data, $av);
807	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
808		1077
809	#############################################################################	1078	#############################################################################
810	# command handling &c	1079	# command handling &c
811		1080
812	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
825	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
826	}	1095	}
827		1096
828	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
829		1098
830	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.
831		1104
832	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
833	called.	1106	called.
834		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
835	=cut	1119	=cut
836		1120
837	sub register_extcmd {	1121	sub register_extcmd {
838	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
839		1123
840	my $caller = caller;
841	#warn "registering extcmd '$name' to '$caller'";
842
843	$EXTCMD{$name} = [$cb, $caller];	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
844	}	1131	}
845		1132
846	cf::player->attach (	1133	cf::player->attach (
847	on_command => sub {	1134	on_command => sub {
848	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
857	cf::override;	1144	cf::override;
858	},	1145	},
859	on_extcmd => sub {	1146	on_extcmd => sub {
860	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
861		1148
862	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
863		1150
864	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
865	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
866	if (my %reply = $cb->[0]->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
867	$pl->ext_reply ($msg->{msgid}, %reply);
868	}
869	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
870	} else {	1166	} else {
871	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
872	}	1168	}
873		1169
874	cf::override;	1170	cf::override;
875	},	1171	},
876	);	1172	);
877		1173
878	sub register {
879	my ($base, $pkg) = @_;
880
881	#TODO
882	}
883
884	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/(?<![BIUGH])</&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	# replace G<male|female> tags
		1478	|| s{G<([^>|]*)\|([^>]*)>}{
		1479	$self->gender ? $2 : $1
		1480	}ge
		1481	# replace H<hint text>
		1482	|| s{H<([^\>]*)>}
		1483	{
		1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1486	"")
		1487	[$self->{hintmode}]
		1488	}ge;
		1489
		1490	# create single paragraphs (very hackish)
		1491	s/(?<=\S)\n(?=\w)/ /g;
		1492
		1493	# compress some whitespace
		1494	s/\s+\n/\n/g; # ws line-ends
		1495	s/\n\n+/\n/g; # double lines
		1496	s/^\n+//; # beginning lines
		1497	s/\n+$//; # ending lines
		1498
		1499	$_
		1500	}
		1501
		1502	sub hintmode {
		1503	$_[0]{hintmode} = $_[1] if @_ > 1;
		1504	$_[0]{hintmode}
		1505	}
		1506
		1507	=item $player->ext_reply ($msgid, @msg)
		1508
		1509	Sends an ext reply to the player.
		1510
		1511	=cut
		1512
		1513	sub ext_reply($$@) {
		1514	my ($self, $id, @msg) = @_;
		1515
		1516	$self->ns->ext_reply ($id, @msg)
		1517	}
		1518
		1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
885	my ($path) = @_;	1546	my ($path) = @_;
886		1547
887	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1548	my ($match, $specificity);
888	my $base = $1;
889	my $pkg = $1;
890	$pkg =~ s/[^[:word:]]/_/g;
891	$pkg = "ext::$pkg";
892		1549
893	warn "loading '$path' into '$pkg'\n";	1550	for my $region (list) {
894		1551	if ($region->{match} && $path =~ $region->{match}) {
895	open my $fh, "<:utf8", $path	1552	($match, $specificity) = ($region, $region->specificity)
896	or die "$path: $!";	1553	if $region->specificity > $specificity;
897		1554	}
898	my $source =
899	"package $pkg; use strict; use utf8;\n"
900	. "#line 1 \"$path\"\n{\n"
901	. (do { local $/; <$fh> })
902	. "\n};\n1";
903
904	eval $source
905	or die $@ ? "$path: $@\n"
906	: "extension disabled.\n";
907
908	push @exts, $pkg;
909	$ext_pkg{$base} = $pkg;
910
911	# no strict 'refs';
912	# @{"$pkg\::ISA"} = ext::;
913
914	register $base, $pkg;
915	}
916
917	sub unload_extension {
918	my ($pkg) = @_;
919
920	warn "removing extension $pkg\n";
921
922	# remove hooks
923	#TODO
924	# for my $idx (0 .. $#PLUGIN_EVENT) {
925	# delete $hook[$idx]{$pkg};
926	# }	1555	}
927		1556
928	# remove commands	1557	$match
929	for my $name (keys %COMMAND) {
930	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
931
932	if (@cb) {
933	$COMMAND{$name} = \@cb;
934	} else {
935	delete $COMMAND{$name};
936	}
937	}
938
939	# remove extcmds
940	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
941	delete $EXTCMD{$name};
942	}
943
944	if (my $cb = $pkg->can ("unload")) {
945	eval {
946	$cb->($pkg);
947	1
948	} or warn "$pkg unloaded, but with errors: $@";
949	}
950
951	Symbol::delete_package $pkg;
952	}
953
954	sub load_extensions {
955	for my $ext (<$LIBDIR/*.ext>) {
956	next unless -r $ext;
957	eval {
958	load_extension $ext;
959	1
960	} or warn "$ext not loaded: $@";
961	}
962	}
963
964	#############################################################################
965	# load/save/clean perl data associated with a map
966
967	*cf::mapsupport::on_clean = sub {
968	my ($map) = @_;
969
970	my $path = $map->tmpname;
971	defined $path or return;
972
973	unlink "$path.pst";
974	};
975
976	cf::map->attach (prio => -10000, package => cf::mapsupport::);
977
978	#############################################################################
979	# load/save perl data associated with player->ob objects
980
981	sub all_objects(@) {
982	@_, map all_objects ($_->inv), @_
983	}
984
985	# TODO: compatibility cruft, remove when no longer needed
986	cf::player->attach (
987	on_load => sub {
988	my ($pl, $path) = @_;
989
990	for my $o (all_objects $pl->ob) {
991	if (my $value = $o->get_ob_key_value ("_perl_data")) {
992	$o->set_ob_key_value ("_perl_data");
993
994	%$o = %{ Storable::thaw pack "H*", $value };
995	}
996	}
997	},
998	);
999
1000	#############################################################################
1001
1002	=head2 CORE EXTENSIONS
1003
1004	Functions and methods that extend core crossfire objects.
1005
1006	=head3 cf::player
1007
1008	=over 4
1009
1010	=item cf::player::exists $login
1011
1012	Returns true when the given account exists.
1013
1014	=cut
1015
1016	sub cf::player::exists($) {
1017	cf::player::find $_[0]
1018	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1019	}
1020
1021	=item $player->ext_reply ($msgid, $msgtype, %msg)
1022
1023	Sends an ext reply to the player.
1024
1025	=cut
1026
1027	sub cf::player::ext_reply($$$%) {
1028	my ($self, $id, %msg) = @_;
1029
1030	$msg{msgid} = $id;
1031
1032	$self->send ("ext " . to_json \%msg);
1033	}	1558	}
1034		1559
1035	=back	1560	=back
1036
1037		1561
1038	=head3 cf::map	1562	=head3 cf::map
1039		1563
1040	=over 4	1564	=over 4
1041		1565
…		…
1044	package cf::map;	1568	package cf::map;
1045		1569
1046	use Fcntl;	1570	use Fcntl;
1047	use Coro::AIO;	1571	use Coro::AIO;
1048		1572
		1573	use overload
		1574	'""' => \&as_string,
		1575	fallback => 1;
		1576
1049	our $MAX_RESET = 7200;	1577	our $MAX_RESET = 3600;
1050	our $DEFAULT_RESET = 3600;	1578	our $DEFAULT_RESET = 3000;
1051	$MAX_RESET = 10;#d#
1052	$DEFAULT_RESET = 10;#d#
1053		1579
1054	sub generate_random_map {	1580	sub generate_random_map {
1055	my ($path, $rmp) = @_;	1581	my ($self, $rmp) = @_;
1056
1057	# mit "rum" bekleckern, nicht	1582	# mit "rum" bekleckern, nicht
1058	cf::map::_create_random_map	1583	$self->_create_random_map (
1059	$path,
1060	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1061	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1062	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1063	$rmp->{exit_on_final_map},	1587	$rmp->{exit_on_final_map},
1064	$rmp->{xsize}, $rmp->{ysize},	1588	$rmp->{xsize}, $rmp->{ysize},
1065	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1066	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1067	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1068	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1592	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1069	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1070	(cf::region::find $rmp->{region})	1594	(cf::region::find $rmp->{region}), $rmp->{custom}
		1595	)
		1596	}
		1597
		1598	=item cf::map->register ($regex, $prio)
		1599
		1600	Register a handler for the map path matching the given regex at the
		1601	givne priority (higher is better, built-in handlers have priority 0, the
		1602	default).
		1603
		1604	=cut
		1605
		1606	sub register {
		1607	my (undef, $regex, $prio) = @_;
		1608	my $pkg = caller;
		1609
		1610	no strict;
		1611	push @{"$pkg\::ISA"}, __PACKAGE__;
		1612
		1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1614	}
		1615
		1616	# also paths starting with '/'
		1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1618
		1619	sub thawer_merge {
		1620	my ($self, $merge) = @_;
		1621
		1622	# we have to keep some variables in memory intact
		1623	local $self->{path};
		1624	local $self->{load_path};
		1625
		1626	$self->SUPER::thawer_merge ($merge);
		1627	}
		1628
		1629	sub normalise {
		1630	my ($path, $base) = @_;
		1631
		1632	$path = "$path"; # make sure its a string
		1633
		1634	$path =~ s/\.map$//;
		1635
		1636	# map plan:
		1637	#
		1638	# /! non-realised random map exit (special hack!)
		1639	# {... are special paths that are not being touched
		1640	# ?xxx/... are special absolute paths
		1641	# ?random/... random maps
		1642	# /... normal maps
		1643	# ~user/... per-player map of a specific user
		1644
		1645	$path =~ s/$PATH_SEP/\//go;
		1646
		1647	# treat it as relative path if it starts with
		1648	# something that looks reasonable
		1649	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1650	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1651
		1652	$base =~ s{[^/]+/?$}{};
		1653	$path = "$base/$path";
		1654	}
		1655
		1656	for ($path) {
		1657	redo if s{//}{/};
		1658	redo if s{/\.?/}{/};
		1659	redo if s{/[^/]+/\.\./}{/};
		1660	}
		1661
		1662	$path
		1663	}
		1664
		1665	sub new_from_path {
		1666	my (undef, $path, $base) = @_;
		1667
		1668	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1669
		1670	$path = normalise $path, $base;
		1671
		1672	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1673	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1674	my $self = bless cf::map::new, $pkg;
		1675	$self->{path} = $path; $self->path ($path);
		1676	$self->init; # pass $1 etc.
		1677	return $self;
		1678	}
		1679	}
		1680
		1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1682	()
		1683	}
		1684
		1685	sub init {
		1686	my ($self) = @_;
		1687
		1688	$self
		1689	}
		1690
		1691	sub as_string {
		1692	my ($self) = @_;
		1693
		1694	"$self->{path}"
		1695	}
		1696
		1697	# the displayed name, this is a one way mapping
		1698	sub visible_name {
		1699	&as_string
		1700	}
		1701
		1702	# the original (read-only) location
		1703	sub load_path {
		1704	my ($self) = @_;
		1705
		1706	"$MAPDIR/$self->{path}.map"
		1707	}
		1708
		1709	# the temporary/swap location
		1710	sub save_path {
		1711	my ($self) = @_;
		1712
		1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1714	"$TMPDIR/$path.map"
		1715	}
		1716
		1717	# the unique path, undef == no special unique path
		1718	sub uniq_path {
		1719	my ($self) = @_;
		1720
		1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1722	"$UNIQUEDIR/$path"
1071	}	1723	}
1072		1724
1073	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1074	# all maps in C++...	1726	# all maps in C++...
1075	sub change_all_map_light {	1727	sub change_all_map_light {
1076	my ($change) = @_;	1728	my ($change) = @_;
1077		1729
1078	$_->change_map_light ($change) for values %cf::MAP;	1730	$_->change_map_light ($change)
		1731	for grep $_->outdoor, values %cf::MAP;
1079	}	1732	}
1080		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
		1742	sub unlink_save {
		1743	my ($self) = @_;
		1744
		1745	utf8::encode (my $save = $self->save_path);
		1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1748	}
		1749
1081	sub try_load_header($) {	1750	sub load_header_from($) {
1082	my ($path) = @_;	1751	my ($self, $path) = @_;
1083		1752
1084	utf8::encode $path;	1753	utf8::encode $path;
1085	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
		1755	# or return;
		1756
		1757	$self->_load_header ($path)
1086	or return;	1758	or return;
1087		1759
1088	my $map = cf::map::new	1760	$self->{load_path} = $path;
		1761
		1762	1
		1763	}
		1764
		1765	sub load_header_orig {
		1766	my ($self) = @_;
		1767
		1768	$self->load_header_from ($self->load_path)
		1769	}
		1770
		1771	sub load_header_temp {
		1772	my ($self) = @_;
		1773
		1774	$self->load_header_from ($self->save_path)
		1775	}
		1776
		1777	sub prepare_temp {
		1778	my ($self) = @_;
		1779
		1780	$self->last_access ((delete $self->{last_access})
		1781	|| $cf::RUNTIME); #d#
		1782	# safety
		1783	$self->{instantiate_time} = $cf::RUNTIME
		1784	if $self->{instantiate_time} > $cf::RUNTIME;
		1785	}
		1786
		1787	sub prepare_orig {
		1788	my ($self) = @_;
		1789
		1790	$self->{load_original} = 1;
		1791	$self->{instantiate_time} = $cf::RUNTIME;
		1792	$self->last_access ($cf::RUNTIME);
		1793	$self->instantiate;
		1794	}
		1795
		1796	sub load_header {
		1797	my ($self) = @_;
		1798
		1799	if ($self->load_header_temp) {
		1800	$self->prepare_temp;
		1801	} else {
		1802	$self->load_header_orig
1089	or return;	1803	or return;
		1804	$self->prepare_orig;
		1805	}
1090		1806
1091	$map->load_header ($path)	1807	$self->{deny_reset} = 1
1092	or return;	1808	if $self->no_reset;
1093		1809
1094	$map->{load_path} = $path;	1810	$self->default_region (cf::region::find_by_path $self->{path})
1095	use Data::Dumper; warn Dumper $map;#d#	1811	unless $self->default_region;
1096		1812
1097	$map	1813	1
1098	}	1814	}
1099		1815
		1816	sub find;
1100	sub find_map {	1817	sub find {
1101	my ($path, $origin) = @_;	1818	my ($path, $origin) = @_;
1102		1819
1103	#warn "find_map<$path,$origin>\n";#d#	1820	$path = normalise $path, $origin && $origin->path;
1104		1821
1105	$path = ref $path ? $path : new cf::path $path, $origin && $origin->path;	1822	cf::lock_wait "map_find:$path";
1106	my $key = $path->as_string;
1107		1823
1108	$cf::MAP{$key} || do {	1824	$cf::MAP{$path} || do {
1109	# do it the slow way	1825	my $guard = cf::lock_acquire "map_find:$path";
1110	my $map = try_load_header $path->save_path;	1826	my $map = new_from_path cf::map $path
1111
1112	if ($map) {
1113	# safety
1114	$map->{instantiate_time} = $cf::RUNTIME
1115	if $map->{instantiate_time} > $cf::RUNTIME;
1116	} else {
1117	if (my $rmp = $path->random_map_params) {
1118	$map = generate_random_map $key, $rmp;
1119	} else {
1120	$map = try_load_header $path->load_path;
1121	}
1122
1123	$map or return;	1827	or return;
1124		1828
1125	$map->{load_original} = 1;
1126	$map->{instantiate_time} = $cf::RUNTIME;
1127	$map->instantiate;
1128
1129	# per-player maps become, after loading, normal maps
1130	$map->per_player (0) if $path->{user_rel};
1131	}
1132
1133	$map->path ($key);
1134	$map->{path} = $path;
1135	$map->last_access ($cf::RUNTIME);	1829	$map->{last_save} = $cf::RUNTIME;
1136		1830
1137	$map->reset if $map->should_reset;	1831	$map->load_header
		1832	or return;
1138		1833
		1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1835	# doing this can freeze the server in a sync job, obviously
		1836	#$cf::WAIT_FOR_TICK->wait;
		1837	$map->reset;
		1838	undef $guard;
		1839	return find $path;
		1840	}
		1841
1139	$cf::MAP{$key} = $map	1842	$cf::MAP{$path} = $map
1140	}	1843	}
1141	}	1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
1142		1848
1143	sub load {	1849	sub load {
1144	my ($self) = @_;	1850	my ($self) = @_;
1145		1851
1146	return if $self->in_memory != cf::MAP_SWAPPED;	1852	local $self->{deny_reset} = 1; # loading can take a long time
1147
1148	$self->in_memory (cf::MAP_LOADING);
1149		1853
1150	my $path = $self->{path};	1854	my $path = $self->{path};
1151		1855
		1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
		1858	my $guard2 = cf::lock_acquire "map_load:$path";
		1859
		1860	return if $self->in_memory != cf::MAP_SWAPPED;
		1861
		1862	$self->in_memory (cf::MAP_LOADING);
		1863
1152	$self->alloc;	1864	$self->alloc;
		1865
		1866	$self->pre_load;
		1867	cf::cede_to_tick;
		1868
1153	$self->load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1154	or return;	1870	or return;
1155		1871
1156	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) if delete $self->{load_original};	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1873	if delete $self->{load_original};
1157		1874
1158	if (my $uniq = $path->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1159	utf8::encode $uniq;	1876	utf8::encode $uniq;
1160	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1161	$self->clear_unique_items;	1878	$self->clear_unique_items;
1162	$self->load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1163	}	1880	}
1164	}	1881	}
1165		1882
		1883	cf::cede_to_tick;
1166	# now do the right thing for maps	1884	# now do the right thing for maps
1167	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1168
1169	if ($self->{path}->is_style_map) {
1170	$self->{deny_save} = 1;
1171	$self->{deny_reset} = 1;
1172	} else {
1173	$self->fix_auto_apply;
1174	$self->decay_objects;
1175	$self->update_buttons;
1176	$self->set_darkness_map;
1177	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1178	unless $self->difficulty;	1887	unless $self->difficulty;
		1888	cf::cede_to_tick;
		1889
		1890	unless ($self->{deny_activate}) {
		1891	$self->decay_objects;
		1892	$self->fix_auto_apply;
		1893	$self->update_buttons;
		1894	cf::cede_to_tick;
		1895	$self->set_darkness_map;
		1896	cf::cede_to_tick;
1179	$self->activate;	1897	$self->activate;
1180	}	1898	}
1181		1899
		1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
		1902
1182	$self->in_memory (cf::MAP_IN_MEMORY);	1903	$self->in_memory (cf::MAP_IN_MEMORY);
1183	}	1904	}
1184		1905
1185	sub load_map_sync {	1906	$self->post_load;
		1907	}
		1908
		1909	sub customise_for {
		1910	my ($self, $ob) = @_;
		1911
		1912	return find "~" . $ob->name . "/" . $self->{path}
		1913	if $self->per_player;
		1914
		1915	# return find "?party/" . $ob->name . "/" . $self->{path}
		1916	# if $self->per_party;
		1917
		1918	$self
		1919	}
		1920
		1921	# find and load all maps in the 3x3 area around a map
		1922	sub load_neighbours {
		1923	my ($map) = @_;
		1924
		1925	my @neigh; # diagonal neighbours
		1926
		1927	for (0 .. 3) {
		1928	my $neigh = $map->tile_path ($_)
		1929	or next;
		1930	$neigh = find $neigh, $map
		1931	or next;
		1932	$neigh->load;
		1933
		1934	push @neigh,
		1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1937	}
		1938
		1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
		1941	my $neigh = find $path, $origin
		1942	or next;
		1943	$neigh->load;
		1944	}
		1945	}
		1946
		1947	sub find_sync {
1186	my ($path, $origin) = @_;	1948	my ($path, $origin) = @_;
1187		1949
1188	#warn "load_map_sync<$path, $origin>\n";#d#	1950	cf::sync_job { find $path, $origin }
		1951	}
1189		1952
1190	cf::sync_job {	1953	sub do_load_sync {
1191	my $map = cf::map::find_map $path, $origin	1954	my ($map) = @_;
1192	or return;	1955
1193	$map->load;	1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1194	$map	1957	if $Coro::current == $Coro::main;
		1958
		1959	cf::sync_job { $map->load };
		1960	}
		1961
		1962	our %MAP_PREFETCH;
		1963	our $MAP_PREFETCHER = undef;
		1964
		1965	sub find_async {
		1966	my ($path, $origin, $load) = @_;
		1967
		1968	$path = normalise $path, $origin && $origin->{path};
		1969
		1970	if (my $map = $cf::MAP{$path}) {
		1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1972	}
		1973
		1974	$MAP_PREFETCH{$path} |= $load;
		1975
		1976	$MAP_PREFETCHER ||= cf::async {
		1977	while (%MAP_PREFETCH) {
		1978	while (my ($k, $v) = each %MAP_PREFETCH) {
		1979	if (my $map = find $k) {
		1980	$map->load if $v;
		1981	}
		1982
		1983	delete $MAP_PREFETCH{$k};
		1984	}
		1985	}
		1986	undef $MAP_PREFETCHER;
1195	}	1987	};
		1988	$MAP_PREFETCHER->prio (6);
		1989
		1990	()
1196	}	1991	}
1197		1992
1198	sub save {	1993	sub save {
1199	my ($self) = @_;	1994	my ($self) = @_;
1200		1995
1201	my $save = $self->{path}->save_path; utf8::encode $save;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1202	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1203		1997
1204	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1205		1999
1206	return unless $self->dirty;	2000	return unless $self->dirty;
1207		2001
		2002	my $save = $self->save_path; utf8::encode $save;
		2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2004
1208	$self->{load_path} = $save;	2005	$self->{load_path} = $save;
1209		2006
1210	return if $self->{deny_save};	2007	return if $self->{deny_save};
1211		2008
1212	warn "saving map ", $self->path;	2009	local $self->{last_access} = $self->last_access;#d#
		2010
		2011	cf::async {
		2012	$_->contr->save for $self->players;
		2013	};
1213		2014
1214	if ($uniq) {	2015	if ($uniq) {
1215	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1216	$self->save_objects ($uniq, cf::IO_UNIQUES);	2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1217	} else {	2018	} else {
1218	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2019	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1219	}	2020	}
1220	}	2021	}
1221		2022
1222	sub swap_out {	2023	sub swap_out {
1223	my ($self) = @_;	2024	my ($self) = @_;
		2025
		2026	# save first because save cedes
		2027	$self->save;
		2028
		2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1224		2030
1225	return if $self->players;	2031	return if $self->players;
1226	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1227	return if $self->{deny_save};	2033	return if $self->{deny_save};
1228		2034
1229	$self->save;
1230	$self->clear;	2035	$self->clear;
1231	$self->in_memory (cf::MAP_SWAPPED);	2036	$self->in_memory (cf::MAP_SWAPPED);
1232	}	2037	}
1233		2038
		2039	sub reset_at {
		2040	my ($self) = @_;
		2041
		2042	# TODO: safety, remove and allow resettable per-player maps
		2043	return 1e99 if $self->{deny_reset};
		2044
		2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
		2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
		2047
		2048	$time + $to
		2049	}
		2050
1234	sub should_reset {	2051	sub should_reset {
1235	my ($map) = @_;
1236
1237	# TODO: safety, remove and allow resettable per-player maps
1238	return if $map->{path}{user_rel};#d#
1239	return if $map->{deny_reset};
1240	#return unless $map->reset_timeout;
1241
1242	my $time = $map->fixed_resettime ? $map->{instantiate_time} : $map->last_access;
1243	my $to = $map->reset_timeout || $DEFAULT_RESET;
1244	$to = $MAX_RESET if $to > $MAX_RESET;
1245
1246	$time + $to < $cf::RUNTIME
1247	}
1248
1249	sub unlink_save {
1250	my ($self) = @_;	2052	my ($self) = @_;
1251		2053
1252	utf8::encode (my $save = $self->{path}->save_path);	2054	$self->reset_at <= $cf::RUNTIME
1253	aioreq_pri 3; IO::AIO::aio_unlink $save;
1254	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1255	}	2055	}
1256		2056
1257	sub reset {	2057	sub reset {
1258	my ($self) = @_;	2058	my ($self) = @_;
1259		2059
		2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2061
1260	return if $self->players;	2062	return if $self->players;
1261	return if $self->{path}{user_rel};#d#
1262		2063
1263	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
		2065
		2066	$self->in_memory (cf::MAP_SWAPPED);
		2067
		2068	# need to save uniques path
		2069	unless ($self->{deny_save}) {
		2070	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2071
		2072	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2073	if $uniq;
		2074	}
1264		2075
1265	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
		2077
		2078	$self->clear;
1266		2079
1267	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1268		2081
1269	$self->unlink_save;	2082	$self->unlink_save;
1270	$self->destroy;	2083	$self->destroy;
1271	}	2084	}
1272		2085
1273	sub customise_for {	2086	my $nuke_counter = "aaaa";
1274	my ($map, $ob) = @_;
1275		2087
1276	if ($map->per_player) {	2088	sub nuke {
1277	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2089	my ($self) = @_;
		2090
1278	}	2091	{
		2092	my $lock = cf::lock_acquire "map_data:$self->{path}";
1279		2093
1280	$map	2094	delete $cf::MAP{$self->path};
1281	}
1282		2095
1283	sub emergency_save {	2096	$self->unlink_save;
1284	local $cf::FREEZE = 1;
1285		2097
1286	warn "enter emergency map save\n";	2098	bless $self, "cf::map";
		2099	delete $self->{deny_reset};
		2100	$self->{deny_save} = 1;
		2101	$self->reset_timeout (1);
		2102	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1287		2103
1288	cf::sync_job {	2104	$cf::MAP{$self->path} = $self;
1289	warn "begin emergency map save\n";
1290	$_->save for values %cf::MAP;
1291	};	2105	}
1292		2106
1293	warn "end emergency map save\n";	2107	$self->reset; # polite request, might not happen
		2108	}
		2109
		2110	=item $maps = cf::map::tmp_maps
		2111
		2112	Returns an arrayref with all map paths of currently instantiated and saved
		2113	maps. May block.
		2114
		2115	=cut
		2116
		2117	sub tmp_maps() {
		2118	[
		2119	map {
		2120	utf8::decode $_;
		2121	/\.map$/
		2122	? normalise $_
		2123	: ()
		2124	} @{ aio_readdir $TMPDIR or [] }
		2125	]
		2126	}
		2127
		2128	=item $maps = cf::map::random_maps
		2129
		2130	Returns an arrayref with all map paths of currently instantiated and saved
		2131	random maps. May block.
		2132
		2133	=cut
		2134
		2135	sub random_maps() {
		2136	[
		2137	map {
		2138	utf8::decode $_;
		2139	/\.map$/
		2140	? normalise "?random/$_"
		2141	: ()
		2142	} @{ aio_readdir $RANDOMDIR or [] }
		2143	]
		2144	}
		2145
		2146	=item cf::map::unique_maps
		2147
		2148	Returns an arrayref of paths of all shared maps that have
		2149	instantiated unique items. May block.
		2150
		2151	=cut
		2152
		2153	sub unique_maps() {
		2154	[
		2155	map {
		2156	utf8::decode $_;
		2157	/\.map$/
		2158	? normalise $_
		2159	: ()
		2160	} @{ aio_readdir $UNIQUEDIR or [] }
		2161	]
1294	}	2162	}
1295		2163
1296	package cf;	2164	package cf;
1297		2165
1298	=back	2166	=back
1299		2167
		2168	=head3 cf::object
		2169
		2170	=cut
		2171
		2172	package cf::object;
		2173
		2174	=over 4
		2175
		2176	=item $ob->inv_recursive
		2177
		2178	Returns the inventory of the object _and_ their inventories, recursively.
		2179
		2180	=cut
		2181
		2182	sub inv_recursive_;
		2183	sub inv_recursive_ {
		2184	map { $_, inv_recursive_ $_->inv } @_
		2185	}
		2186
		2187	sub inv_recursive {
		2188	inv_recursive_ inv $_[0]
		2189	}
		2190
		2191	package cf;
		2192
		2193	=back
1300		2194
1301	=head3 cf::object::player	2195	=head3 cf::object::player
1302		2196
1303	=over 4	2197	=over 4
1304		2198
…		…
1318		2212
1319	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2213	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1320		2214
1321	if ($self->{record_replies}) {	2215	if ($self->{record_replies}) {
1322	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2216	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2217
1323	} else {	2218	} else {
		2219	my $pl = $self->contr;
		2220
		2221	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2222	my $dialog = $pl->{npc_dialog};
		2223	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2224
		2225	} else {
1324	$msg = $npc->name . " says: $msg" if $npc;	2226	$msg = $npc->name . " says: $msg" if $npc;
1325	$self->message ($msg, $flags);	2227	$self->message ($msg, $flags);
		2228	}
1326	}	2229	}
		2230	}
		2231
		2232	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2233
		2234	=cut
		2235
		2236	sub cf::object::send_msg {
		2237	my $pl = shift->contr
		2238	or return;
		2239	$pl->send_msg (@_);
1327	}	2240	}
1328		2241
1329	=item $player_object->may ("access")	2242	=item $player_object->may ("access")
1330		2243
1331	Returns wether the given player is authorized to access resource "access"	2244	Returns wether the given player is authorized to access resource "access"
…		…
1340	(ref $cf::CFG{"may_$access"}	2253	(ref $cf::CFG{"may_$access"}
1341	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	2254	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1342	: $cf::CFG{"may_$access"})	2255	: $cf::CFG{"may_$access"})
1343	}	2256	}
1344		2257
		2258	=item $player_object->enter_link
		2259
		2260	Freezes the player and moves him/her to a special map (C<{link}>).
		2261
		2262	The player should be reasonably safe there for short amounts of time. You
		2263	I<MUST> call C<leave_link> as soon as possible, though.
		2264
		2265	Will never block.
		2266
		2267	=item $player_object->leave_link ($map, $x, $y)
		2268
		2269	Moves the player out of the special C<{link}> map onto the specified
		2270	map. If the map is not valid (or omitted), the player will be moved back
		2271	to the location he/she was before the call to C<enter_link>, or, if that
		2272	fails, to the emergency map position.
		2273
		2274	Might block.
		2275
		2276	=cut
		2277
		2278	sub link_map {
		2279	unless ($LINK_MAP) {
		2280	$LINK_MAP = cf::map::find "{link}"
		2281	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2282	$LINK_MAP->load;
		2283	}
		2284
		2285	$LINK_MAP
		2286	}
		2287
1345	sub cf::object::player::enter_link {	2288	sub cf::object::player::enter_link {
1346	my ($self) = @_;	2289	my ($self) = @_;
1347		2290
1348	return if $self->map == $LINK_MAP;
1349
1350	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]
1351	if $self->map;
1352
1353	$self->enter_map ($LINK_MAP, 20, 20);
1354	$self->deactivate_recursive;	2291	$self->deactivate_recursive;
		2292
		2293	return if UNIVERSAL::isa $self->map, "ext::map_link";
		2294
		2295	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
		2296	if $self->map && $self->map->{path} ne "{link}";
		2297
		2298	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1355	}	2299	}
1356		2300
1357	sub cf::object::player::leave_link {	2301	sub cf::object::player::leave_link {
1358	my ($self, $map, $x, $y) = @_;	2302	my ($self, $map, $x, $y) = @_;
1359		2303
		2304	return unless $self->contr->active;
		2305
1360	my $link_pos = delete $self->{_link_pos};	2306	my $link_pos = delete $self->{_link_pos};
1361		2307
1362	unless ($map) {	2308	unless ($map) {
1363	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1364
1365	# restore original map position	2309	# restore original map position
1366	($map, $x, $y) = @{ $link_pos || [] };	2310	($map, $x, $y) = @{ $link_pos || [] };
1367	$map = cf::map::find_map $map;	2311	$map = cf::map::find $map;
1368		2312
1369	unless ($map) {	2313	unless ($map) {
1370	($map, $x, $y) = @$EMERGENCY_POSITION;	2314	($map, $x, $y) = @$EMERGENCY_POSITION;
1371	$map = cf::map::find_map $map	2315	$map = cf::map::find $map
1372	or die "FATAL: cannot load emergency map\n";	2316	or die "FATAL: cannot load emergency map\n";
1373	}	2317	}
1374	}	2318	}
1375		2319
1376	($x, $y) = (-1, -1)	2320	($x, $y) = (-1, -1)
…		…
1379	# use -1 or undef as default coordinates, not 0, 0	2323	# use -1 or undef as default coordinates, not 0, 0
1380	($x, $y) = ($map->enter_x, $map->enter_y)	2324	($x, $y) = ($map->enter_x, $map->enter_y)
1381	if $x <=0 && $y <= 0;	2325	if $x <=0 && $y <= 0;
1382		2326
1383	$map->load;	2327	$map->load;
		2328	$map->load_neighbours;
1384		2329
		2330	return unless $self->contr->active;
1385	$self->activate_recursive;	2331	$self->activate_recursive;
		2332
		2333	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1386	$self->enter_map ($map, $x, $y);	2334	$self->enter_map ($map, $x, $y);
1387	}	2335	}
1388		2336
1389	=item $player_object->goto_map ($map, $x, $y)	2337	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1390		2338
1391	=cut	2339	Moves the player to the given map-path and coordinates by first freezing
		2340	her, loading and preparing them map, calling the provided $check callback
		2341	that has to return the map if sucecssful, and then unfreezes the player on
		2342	the new (success) or old (failed) map position. In either case, $done will
		2343	be called at the end of this process.
1392		2344
		2345	=cut
		2346
		2347	our $GOTOGEN;
		2348
1393	sub cf::object::player::goto_map {	2349	sub cf::object::player::goto {
1394	my ($self, $path, $x, $y) = @_;	2350	my ($self, $path, $x, $y, $check, $done) = @_;
		2351
		2352	# do generation counting so two concurrent goto's will be executed in-order
		2353	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1395		2354
1396	$self->enter_link;	2355	$self->enter_link;
1397		2356
1398	(Coro::async {	2357	(async {
1399	$path = new cf::path $path;	2358	my $map = eval {
1400
1401	my $map = cf::map::find_map $path->as_string;	2359	my $map = cf::map::find $path;
		2360
		2361	if ($map) {
1402	$map = $map->customise_for ($self) if $map;	2362	$map = $map->customise_for ($self);
		2363	$map = $check->($map) if $check && $map;
		2364	} else {
		2365	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	}
1403		2367
1404	warn "entering ", $map->path, " at ($x, $y)\n"
1405	if $map;	2368	$map
		2369	};
1406		2370
		2371	if ($@) {
		2372	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2373	LOG llevError | logBacktrace, Carp::longmess $@;
		2374	}
		2375
		2376	if ($gen == $self->{_goto_generation}) {
		2377	delete $self->{_goto_generation};
1407	$self->leave_link ($map, $x, $y);	2378	$self->leave_link ($map, $x, $y);
		2379	}
		2380
		2381	$done->() if $done;
1408	})->prio (1);	2382	})->prio (1);
1409	}	2383	}
1410		2384
1411	=item $player_object->enter_exit ($exit_object)	2385	=item $player_object->enter_exit ($exit_object)
1412		2386
…		…
1414		2388
1415	sub parse_random_map_params {	2389	sub parse_random_map_params {
1416	my ($spec) = @_;	2390	my ($spec) = @_;
1417		2391
1418	my $rmp = { # defaults	2392	my $rmp = { # defaults
1419	xsize => 10,	2393	xsize => (cf::rndm 15, 40),
1420	ysize => 10,	2394	ysize => (cf::rndm 15, 40),
		2395	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2396	#layout => string,
1421	};	2397	};
1422		2398
1423	for (split /\n/, $spec) {	2399	for (split /\n/, $spec) {
1424	my ($k, $v) = split /\s+/, $_, 2;	2400	my ($k, $v) = split /\s+/, $_, 2;
1425		2401
…		…
1429	$rmp	2405	$rmp
1430	}	2406	}
1431		2407
1432	sub prepare_random_map {	2408	sub prepare_random_map {
1433	my ($exit) = @_;	2409	my ($exit) = @_;
		2410
		2411	my $guard = cf::lock_acquire "exit_prepare:$exit";
1434		2412
1435	# all this does is basically replace the /! path by	2413	# all this does is basically replace the /! path by
1436	# a new random map path (?random/...) with a seed	2414	# a new random map path (?random/...) with a seed
1437	# that depends on the exit object	2415	# that depends on the exit object
1438		2416
1439	my $rmp = parse_random_map_params $exit->msg;	2417	my $rmp = parse_random_map_params $exit->msg;
1440		2418
1441	if ($exit->map) {	2419	if ($exit->map) {
1442	$rmp->{region} = $exit->map->region_name;	2420	$rmp->{region} = $exit->region->name;
1443	$rmp->{origin_map} = $exit->map->path;	2421	$rmp->{origin_map} = $exit->map->path;
1444	$rmp->{origin_x} = $exit->x;	2422	$rmp->{origin_x} = $exit->x;
1445	$rmp->{origin_y} = $exit->y;	2423	$rmp->{origin_y} = $exit->y;
1446	}	2424	}
1447		2425
1448	$rmp->{random_seed} ||= $exit->random_seed;	2426	$rmp->{random_seed} ||= $exit->random_seed;
1449		2427
1450	my $data = cf::to_json $rmp;	2428	my $data = cf::to_json $rmp;
1451	my $md5 = Digest::MD5::md5_hex $data;	2429	my $md5 = Digest::MD5::md5_hex $data;
		2430	my $meta = "$RANDOMDIR/$md5.meta";
1452		2431
1453	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2432	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1454	aio_write $fh, 0, (length $data), $data, 0;	2433	aio_write $fh, 0, (length $data), $data, 0;
		2434	undef $fh;
		2435	aio_rename "$meta~", $meta;
1455		2436
1456	$exit->slaying ("?random/$md5");	2437	$exit->slaying ("?random/$md5");
1457	$exit->msg (undef);	2438	$exit->msg (undef);
1458	}	2439	}
1459	}	2440	}
…		…
1461	sub cf::object::player::enter_exit {	2442	sub cf::object::player::enter_exit {
1462	my ($self, $exit) = @_;	2443	my ($self, $exit) = @_;
1463		2444
1464	return unless $self->type == cf::PLAYER;	2445	return unless $self->type == cf::PLAYER;
1465		2446
		2447	if ($exit->slaying eq "/!") {
		2448	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2449	# the problem is that $exit might not survive long enough
		2450	# so it needs to be done right now, right here
		2451	cf::sync_job { prepare_random_map $exit };
		2452	}
		2453
		2454	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2455	my $hp = $exit->stats->hp;
		2456	my $sp = $exit->stats->sp;
		2457
1466	$self->enter_link;	2458	$self->enter_link;
1467		2459
		2460	# if exit is damned, update players death & WoR home-position
		2461	$self->contr->savebed ($slaying, $hp, $sp)
		2462	if $exit->flag (FLAG_DAMNED);
		2463
1468	(Coro::async {	2464	(async {
		2465	$self->deactivate_recursive; # just to be sure
1469	unless (eval {	2466	unless (eval {
1470		2467	$self->goto ($slaying, $hp, $sp);
1471	prepare_random_map $exit
1472	if $exit->slaying eq "/!";
1473
1474	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1475	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1476		2468
1477	1;	2469	1;
1478	}) {	2470	}) {
1479	$self->message ("Something went wrong deep within the crossfire server. "	2471	$self->message ("Something went wrong deep within the crossfire server. "
1480	. "I'll try to bring you back to the map you were before. "	2472	. "I'll try to bring you back to the map you were before. "
1481	. "Please report this to the dungeon master",	2473	. "Please report this to the dungeon master!",
1482	cf::NDI_UNIQUE | cf::NDI_RED);	2474	cf::NDI_UNIQUE | cf::NDI_RED);
1483		2475
1484	warn "ERROR in enter_exit: $@";	2476	warn "ERROR in enter_exit: $@";
1485	$self->leave_link;	2477	$self->leave_link;
1486	}	2478	}
1487	})->prio (1);	2479	})->prio (1);
…		…
1500		2492
1501	sub cf::client::send_drawinfo {	2493	sub cf::client::send_drawinfo {
1502	my ($self, $text, $flags) = @_;	2494	my ($self, $text, $flags) = @_;
1503		2495
1504	utf8::encode $text;	2496	utf8::encode $text;
1505	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2497	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1506	}	2498	}
1507		2499
		2500	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2501
		2502	Send a drawinfo or msg packet to the client, formatting the msg for the
		2503	client if neccessary. C<$type> should be a string identifying the type of
		2504	the message, with C<log> being the default. If C<$color> is negative, suppress
		2505	the message unless the client supports the msg packet.
		2506
		2507	=cut
		2508
		2509	our %CHANNEL = (
		2510	"c/identify" => {
		2511	id => "identify",
		2512	title => "Identify",
		2513	reply => undef,
		2514	tooltip => "Items recently identified",
		2515	},
		2516	);
		2517
		2518	sub cf::client::send_msg {
		2519	my ($self, $channel, $msg, $color, @extra) = @_;
		2520
		2521	$msg = $self->pl->expand_cfpod ($msg);
		2522
		2523	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2524
		2525	# check predefined channels, for the benefit of C
		2526	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2527
		2528	if (ref $channel) {
		2529	# send meta info to client, if not yet sent
		2530	unless (exists $self->{channel}{$channel->{id}}) {
		2531	$self->{channel}{$channel->{id}} = $channel;
		2532	$self->ext_msg (channel_info => $channel);
		2533	}
		2534
		2535	$channel = $channel->{id};
		2536	}
		2537
		2538	return unless @extra || length $msg;
		2539
		2540	if ($self->can_msg) {
		2541	# default colour, mask it out
		2542	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2543	if $color & cf::NDI_DEF;
		2544
		2545	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2546	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2547	} else {
		2548	if ($color >= 0) {
		2549	# replace some tags by gcfclient-compatible ones
		2550	for ($msg) {
		2551	1 while
		2552	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2553	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2554	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2555	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2556	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2557	}
		2558
		2559	$color &= cf::NDI_COLOR_MASK;
		2560
		2561	utf8::encode $msg;
		2562
		2563	if (0 && $msg =~ /\[/) {
		2564	# COMMAND/INFO
		2565	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2566	} else {
		2567	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2568	$self->send_packet ("drawinfo $color $msg")
		2569	}
		2570	}
		2571	}
		2572	}
		2573
		2574	=item $client->ext_msg ($type, @msg)
		2575
		2576	Sends an ext event to the client.
		2577
		2578	=cut
		2579
		2580	sub cf::client::ext_msg($$@) {
		2581	my ($self, $type, @msg) = @_;
		2582
		2583	if ($self->extcmd == 2) {
		2584	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2585	} elsif ($self->extcmd == 1) { # TODO: remove
		2586	push @msg, msgtype => "event_$type";
		2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2588	}
		2589	}
		2590
		2591	=item $client->ext_reply ($msgid, @msg)
		2592
		2593	Sends an ext reply to the client.
		2594
		2595	=cut
		2596
		2597	sub cf::client::ext_reply($$@) {
		2598	my ($self, $id, @msg) = @_;
		2599
		2600	if ($self->extcmd == 2) {
		2601	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2602	} elsif ($self->extcmd == 1) {
		2603	#TODO: version 1, remove
		2604	unshift @msg, msgtype => "reply", msgid => $id;
		2605	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2606	}
		2607	}
1508		2608
1509	=item $success = $client->query ($flags, "text", \&cb)	2609	=item $success = $client->query ($flags, "text", \&cb)
1510		2610
1511	Queues a query to the client, calling the given callback with	2611	Queues a query to the client, calling the given callback with
1512	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2612	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1513	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2613	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1514		2614
1515	Queries can fail, so check the return code. Or don't, as queries will become	2615	Queries can fail, so check the return code. Or don't, as queries will
1516	reliable at some point in the future.	2616	become reliable at some point in the future.
1517		2617
1518	=cut	2618	=cut
1519		2619
1520	sub cf::client::query {	2620	sub cf::client::query {
1521	my ($self, $flags, $text, $cb) = @_;	2621	my ($self, $flags, $text, $cb) = @_;
…		…
1529	utf8::encode $text;	2629	utf8::encode $text;
1530	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2630	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1531		2631
1532	$self->send_packet ($self->{query_queue}[0][0])	2632	$self->send_packet ($self->{query_queue}[0][0])
1533	if @{ $self->{query_queue} } == 1;	2633	if @{ $self->{query_queue} } == 1;
		2634
		2635	1
1534	}	2636	}
1535		2637
1536	cf::client->attach (	2638	cf::client->attach (
		2639	on_connect => sub {
		2640	my ($ns) = @_;
		2641
		2642	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2643	},
1537	on_reply => sub {	2644	on_reply => sub {
1538	my ($ns, $msg) = @_;	2645	my ($ns, $msg) = @_;
1539		2646
1540	# this weird shuffling is so that direct followup queries	2647	# this weird shuffling is so that direct followup queries
1541	# get handled first	2648	# get handled first
1542	my $queue = delete $ns->{query_queue};	2649	my $queue = delete $ns->{query_queue}
		2650	or return; # be conservative, not sure how that can happen, but we saw a crash here
1543		2651
1544	(shift @$queue)->[1]->($msg);	2652	(shift @$queue)->[1]->($msg);
		2653	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1545		2654
1546	push @{ $ns->{query_queue} }, @$queue;	2655	push @{ $ns->{query_queue} }, @$queue;
1547		2656
1548	if (@{ $ns->{query_queue} } == @$queue) {	2657	if (@{ $ns->{query_queue} } == @$queue) {
1549	if (@$queue) {	2658	if (@$queue) {
…		…
1551	} else {	2660	} else {
1552	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2661	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1553	}	2662	}
1554	}	2663	}
1555	},	2664	},
		2665	on_exticmd => sub {
		2666	my ($ns, $buf) = @_;
		2667
		2668	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2669
		2670	if (ref $msg) {
		2671	my ($type, $reply, @payload) =
		2672	"ARRAY" eq ref $msg
		2673	? @$msg
		2674	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2675
		2676	my @reply;
		2677
		2678	if (my $cb = $EXTICMD{$type}) {
		2679	@reply = $cb->($ns, @payload);
		2680	}
		2681
		2682	$ns->ext_reply ($reply, @reply)
		2683	if $reply;
		2684
		2685	} else {
		2686	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2687	}
		2688
		2689	cf::override;
		2690	},
1556	);	2691	);
1557		2692
1558	=item $client->coro (\&cb)	2693	=item $client->async (\&cb)
1559		2694
1560	Create a new coroutine, running the specified callback. The coroutine will	2695	Create a new coroutine, running the specified callback. The coroutine will
1561	be automatically cancelled when the client gets destroyed (e.g. on logout,	2696	be automatically cancelled when the client gets destroyed (e.g. on logout,
1562	or loss of connection).	2697	or loss of connection).
1563		2698
1564	=cut	2699	=cut
1565		2700
1566	sub cf::client::coro {	2701	sub cf::client::async {
1567	my ($self, $cb) = @_;	2702	my ($self, $cb) = @_;
1568		2703
1569	my $coro; $coro = async {	2704	my $coro = &Coro::async ($cb);
1570	eval {
1571	$cb->();
1572	};
1573	warn $@ if $@;
1574	};
1575		2705
1576	$coro->on_destroy (sub {	2706	$coro->on_destroy (sub {
1577	delete $self->{_coro}{$coro+0};	2707	delete $self->{_coro}{$coro+0};
1578	});	2708	});
1579		2709
…		…
1606	our $safe = new Safe "safe";	2736	our $safe = new Safe "safe";
1607	our $safe_hole = new Safe::Hole;	2737	our $safe_hole = new Safe::Hole;
1608		2738
1609	$SIG{FPE} = 'IGNORE';	2739	$SIG{FPE} = 'IGNORE';
1610		2740
1611	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2741	$safe->permit_only (Opcode::opset qw(
		2742	:base_core :base_mem :base_orig :base_math
		2743	grepstart grepwhile mapstart mapwhile
		2744	sort time
		2745	));
1612		2746
1613	# here we export the classes and methods available to script code	2747	# here we export the classes and methods available to script code
1614		2748
1615	=pod	2749	=pod
1616		2750
1617	The following fucntions and emthods are available within a safe environment:	2751	The following functions and methods are available within a safe environment:
1618		2752
1619	cf::object contr pay_amount pay_player map	2753	cf::object
		2754	contr pay_amount pay_player map x y force_find force_add
		2755	insert remove name archname title slaying race decrease_ob_nr
		2756
1620	cf::object::player player	2757	cf::object::player
1621	cf::player peaceful	2758	player
1622	cf::map trigger	2759
		2760	cf::player
		2761	peaceful
		2762
		2763	cf::map
		2764	trigger
1623		2765
1624	=cut	2766	=cut
1625		2767
1626	for (	2768	for (
1627	["cf::object" => qw(contr pay_amount pay_player map)],	2769	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2770	insert remove inv name archname title slaying race
		2771	decrease_ob_nr)],
1628	["cf::object::player" => qw(player)],	2772	["cf::object::player" => qw(player)],
1629	["cf::player" => qw(peaceful)],	2773	["cf::player" => qw(peaceful)],
1630	["cf::map" => qw(trigger)],	2774	["cf::map" => qw(trigger)],
1631	) {	2775	) {
1632	no strict 'refs';	2776	no strict 'refs';
…		…
1703	=back	2847	=back
1704		2848
1705	=cut	2849	=cut
1706		2850
1707	#############################################################################	2851	#############################################################################
		2852	# the server's init and main functions
1708		2853
1709	=head2 EXTENSION DATABASE SUPPORT	2854	sub load_facedata($) {
		2855	my ($path) = @_;
1710		2856
1711	Crossfire maintains a very simple database for extension use. It can	2857	# HACK to clear player env face cache, we need some signal framework
1712	currently store anything that can be serialised using Storable, which	2858	# for this (global event?)
1713	excludes objects.	2859	%ext::player_env::MUSIC_FACE_CACHE = ();
1714		2860
1715	The parameter C<$family> should best start with the name of the extension	2861	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1716	using it, it should be unique.
1717		2862
1718	=over 4	2863	warn "loading facedata from $path\n";
1719		2864
1720	=item $hashref = cf::db_get $family	2865	my $facedata;
		2866	0 < aio_load $path, $facedata
		2867	or die "$path: $!";
1721		2868
1722	Return a hashref for use by the extension C<$family>, which can be	2869	$facedata = Coro::Storable::thaw $facedata;
1723	modified. After modifications, you have to call C<cf::db_dirty> or
1724	C<cf::db_sync>.
1725		2870
1726	=item $value = cf::db_get $family => $key	2871	$facedata->{version} == 2
		2872	or cf::cleanup "$path: version mismatch, cannot proceed.";
1727		2873
1728	Returns a single value from the database	2874	# patch in the exptable
1729		2875	$facedata->{resource}{"res/exp_table"} = {
1730	=item cf::db_put $family => $hashref	2876	type => FT_RSRC,
1731		2877	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1732	Stores the given family hashref into the database. Updates are delayed, if
1733	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1734
1735	=item cf::db_put $family => $key => $value
1736
1737	Stores the given C<$value> in the family hash. Updates are delayed, if you
1738	want the data to be synced to disk immediately, use C<cf::db_sync>.
1739
1740	=item cf::db_dirty
1741
1742	Marks the database as dirty, to be updated at a later time.
1743
1744	=item cf::db_sync
1745
1746	Immediately write the database to disk I<if it is dirty>.
1747
1748	=cut
1749
1750	our $DB;
1751
1752	{
1753	my $path = cf::localdir . "/database.pst";
1754
1755	sub db_load() {
1756	warn "loading database $path\n";#d# remove later
1757	$DB = stat $path ? Storable::retrieve $path : { };
1758	}
1759
1760	my $pid;
1761
1762	sub db_save() {
1763	warn "saving database $path\n";#d# remove later
1764	waitpid $pid, 0 if $pid;
1765	if (0 == ($pid = fork)) {
1766	$DB->{_meta}{version} = 1;
1767	Storable::nstore $DB, "$path~";
1768	rename "$path~", $path;
1769	cf::_exit 0 if defined $pid;
1770	}
1771	}
1772
1773	my $dirty;
1774
1775	sub db_sync() {
1776	db_save if $dirty;
1777	undef $dirty;
1778	}
1779
1780	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1781	db_sync;
1782	});	2878	};
		2879	cf::cede_to_tick;
1783		2880
1784	sub db_dirty() {
1785	$dirty = 1;
1786	$idle->start;
1787	}	2881	{
		2882	my $faces = $facedata->{faceinfo};
1788		2883
1789	sub db_get($;$) {	2884	while (my ($face, $info) = each %$faces) {
1790	@_ >= 2	2885	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1791	? $DB->{$_[0]}{$_[1]}	2886	cf::face::set_visibility $idx, $info->{visibility};
1792	: ($DB->{$_[0]} ||= { })	2887	cf::face::set_magicmap $idx, $info->{magicmap};
1793	}	2888	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2889	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1794		2890
1795	sub db_put($$;$) {	2891	cf::cede_to_tick;
1796	if (@_ >= 3) {
1797	$DB->{$_[0]}{$_[1]} = $_[2];
1798	} else {
1799	$DB->{$_[0]} = $_[1];
1800	}
1801	db_dirty;
1802	}
1803
1804	cf::global->attach (
1805	prio => 10000,
1806	on_cleanup => sub {
1807	db_sync;
1808	},	2892	}
1809	);
1810	}
1811		2893
1812	#############################################################################	2894	while (my ($face, $info) = each %$faces) {
1813	# the server's main()	2895	next unless $info->{smooth};
		2896	my $idx = cf::face::find $face
		2897	or next;
		2898	if (my $smooth = cf::face::find $info->{smooth}) {
		2899	cf::face::set_smooth $idx, $smooth;
		2900	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2901	} else {
		2902	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2903	}
1814		2904
1815	sub cfg_load {	2905	cf::cede_to_tick;
		2906	}
		2907	}
		2908
		2909	{
		2910	my $anims = $facedata->{animinfo};
		2911
		2912	while (my ($anim, $info) = each %$anims) {
		2913	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2914	cf::cede_to_tick;
		2915	}
		2916
		2917	cf::anim::invalidate_all; # d'oh
		2918	}
		2919
		2920	{
		2921	# TODO: for gcfclient pleasure, we should give resources
		2922	# that gcfclient doesn't grok a >10000 face index.
		2923	my $res = $facedata->{resource};
		2924
		2925	my $soundconf = delete $res->{"res/sound.conf"};
		2926
		2927	while (my ($name, $info) = each %$res) {
		2928	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2929	my $data;
		2930
		2931	if ($info->{type} & 1) {
		2932	# prepend meta info
		2933
		2934	my $meta = $enc->encode ({
		2935	name => $name,
		2936	%{ $info->{meta} || {} },
		2937	});
		2938
		2939	$data = pack "(w/a*)*", $meta, $info->{data};
		2940	} else {
		2941	$data = $info->{data};
		2942	}
		2943
		2944	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2945	cf::face::set_type $idx, $info->{type};
		2946
		2947	cf::cede_to_tick;
		2948	}
		2949
		2950	if ($soundconf) {
		2951	$soundconf = $enc->decode (delete $soundconf->{data});
		2952
		2953	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2954	my $sound = $soundconf->{compat}[$_]
		2955	or next;
		2956
		2957	my $face = cf::face::find "sound/$sound->[1]";
		2958	cf::sound::set $sound->[0] => $face;
		2959	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2960	}
		2961
		2962	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2963	my $face = cf::face::find "sound/$v";
		2964	cf::sound::set $k => $face;
		2965	}
		2966	}
		2967	}
		2968
		2969	1
		2970	}
		2971
		2972	register_exticmd fx_want => sub {
		2973	my ($ns, $want) = @_;
		2974
		2975	while (my ($k, $v) = each %$want) {
		2976	$ns->fx_want ($k, $v);
		2977	}
		2978	};
		2979
		2980	sub reload_regions {
		2981	# HACK to clear player env face cache, we need some signal framework
		2982	# for this (global event?)
		2983	%ext::player_env::MUSIC_FACE_CACHE = ();
		2984
		2985	load_resource_file "$MAPDIR/regions"
		2986	or die "unable to load regions file\n";
		2987
		2988	for (cf::region::list) {
		2989	$_->{match} = qr/$_->{match}/
		2990	if exists $_->{match};
		2991	}
		2992	}
		2993
		2994	sub reload_facedata {
		2995	load_facedata "$DATADIR/facedata"
		2996	or die "unable to load facedata\n";
		2997	}
		2998
		2999	sub reload_archetypes {
		3000	load_resource_file "$DATADIR/archetypes"
		3001	or die "unable to load archetypes\n";
		3002	#d# NEED to laod twice to resolve forward references
		3003	# this really needs to be done in an extra post-pass
		3004	# (which needs to be synchronous, so solve it differently)
		3005	load_resource_file "$DATADIR/archetypes"
		3006	or die "unable to load archetypes\n";
		3007	}
		3008
		3009	sub reload_treasures {
		3010	load_resource_file "$DATADIR/treasures"
		3011	or die "unable to load treasurelists\n";
		3012	}
		3013
		3014	sub reload_resources {
		3015	warn "reloading resource files...\n";
		3016
		3017	reload_regions;
		3018	reload_facedata;
		3019	#reload_archetypes;#d#
		3020	reload_archetypes;
		3021	reload_treasures;
		3022
		3023	warn "finished reloading resource files\n";
		3024	}
		3025
		3026	sub init {
		3027	reload_resources;
		3028	}
		3029
		3030	sub reload_config {
1816	open my $fh, "<:utf8", cf::confdir . "/config"	3031	open my $fh, "<:utf8", "$CONFDIR/config"
1817	or return;	3032	or return;
1818		3033
1819	local $/;	3034	local $/;
1820	*CFG = YAML::Syck::Load <$fh>;	3035	*CFG = YAML::Syck::Load <$fh>;
		3036
		3037	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3038
		3039	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3040	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3041
		3042	if (exists $CFG{mlockall}) {
		3043	eval {
		3044	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3045	and die "WARNING: m(un)lockall failed: $!\n";
		3046	};
		3047	warn $@ if $@;
		3048	}
1821	}	3049	}
1822		3050
1823	sub main {	3051	sub main {
1824	# we must not ever block the main coroutine	3052	# we must not ever block the main coroutine
1825	local $Coro::idle = sub {	3053	local $Coro::idle = sub {
1826	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	3054	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1827	(Coro::unblock_sub {	3055	(async {
1828	Event::one_event;	3056	Event::one_event;
1829	})->();	3057	})->prio (Coro::PRIO_MAX);
1830	};	3058	};
1831		3059
1832	cfg_load;	3060	reload_config;
1833	db_load;	3061	db_init;
1834	load_extensions;	3062	load_extensions;
		3063
		3064	$TICK_WATCHER->start;
1835	Event::loop;	3065	Event::loop;
1836	}	3066	}
1837		3067
1838	#############################################################################	3068	#############################################################################
1839	# initialisation	3069	# initialisation and cleanup
1840		3070
		3071	# install some emergency cleanup handlers
		3072	BEGIN {
		3073	for my $signal (qw(INT HUP TERM)) {
		3074	Event->signal (
		3075	reentrant => 0,
		3076	data => WF_AUTOCANCEL,
		3077	signal => $signal,
		3078	prio => 0,
		3079	cb => sub {
		3080	cf::cleanup "SIG$signal";
		3081	},
		3082	);
		3083	}
		3084	}
		3085
		3086	sub write_runtime {
		3087	my $runtime = "$LOCALDIR/runtime";
		3088
		3089	# first touch the runtime file to show we are still running:
		3090	# the fsync below can take a very very long time.
		3091
		3092	IO::AIO::aio_utime $runtime, undef, undef;
		3093
		3094	my $guard = cf::lock_acquire "write_runtime";
		3095
		3096	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3097	or return;
		3098
		3099	my $value = $cf::RUNTIME + 90 + 10;
		3100	# 10 is the runtime save interval, for a monotonic clock
		3101	# 60 allows for the watchdog to kill the server.
		3102
		3103	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3104	and return;
		3105
		3106	# always fsync - this file is important
		3107	aio_fsync $fh
		3108	and return;
		3109
		3110	# touch it again to show we are up-to-date
		3111	aio_utime $fh, undef, undef;
		3112
		3113	close $fh
		3114	or return;
		3115
		3116	aio_rename "$runtime~", $runtime
		3117	and return;
		3118
		3119	warn "runtime file written.\n";
		3120
		3121	1
		3122	}
		3123
		3124	sub emergency_save() {
		3125	my $freeze_guard = cf::freeze_mainloop;
		3126
		3127	warn "enter emergency perl save\n";
		3128
		3129	cf::sync_job {
		3130	# use a peculiar iteration method to avoid tripping on perl
		3131	# refcount bugs in for. also avoids problems with players
		3132	# and maps saved/destroyed asynchronously.
		3133	warn "begin emergency player save\n";
		3134	for my $login (keys %cf::PLAYER) {
		3135	my $pl = $cf::PLAYER{$login} or next;
		3136	$pl->valid or next;
		3137	$pl->save;
		3138	}
		3139	warn "end emergency player save\n";
		3140
		3141	warn "begin emergency map save\n";
		3142	for my $path (keys %cf::MAP) {
		3143	my $map = $cf::MAP{$path} or next;
		3144	$map->valid or next;
		3145	$map->save;
		3146	}
		3147	warn "end emergency map save\n";
		3148
		3149	warn "begin emergency database checkpoint\n";
		3150	BDB::db_env_txn_checkpoint $DB_ENV;
		3151	warn "end emergency database checkpoint\n";
		3152	};
		3153
		3154	warn "leave emergency perl save\n";
		3155	}
		3156
		3157	sub post_cleanup {
		3158	my ($make_core) = @_;
		3159
		3160	warn Carp::longmess "post_cleanup backtrace"
		3161	if $make_core;
		3162	}
		3163
1841	sub reload() {	3164	sub do_reload_perl() {
1842	# can/must only be called in main	3165	# can/must only be called in main
1843	if ($Coro::current != $Coro::main) {	3166	if ($Coro::current != $Coro::main) {
1844	warn "can only reload from main coroutine\n";	3167	warn "can only reload from main coroutine";
1845	return;	3168	return;
1846	}	3169	}
1847		3170
1848	warn "reloading...";	3171	warn "reloading...";
1849		3172
1850	local $FREEZE = 1;	3173	warn "entering sync_job";
		3174
		3175	cf::sync_job {
		3176	cf::write_runtime; # external watchdog should not bark
1851	cf::emergency_save;	3177	cf::emergency_save;
		3178	cf::write_runtime; # external watchdog should not bark
1852		3179
1853	eval {	3180	warn "syncing database to disk";
		3181	BDB::db_env_txn_checkpoint $DB_ENV;
		3182
1854	# if anything goes wrong in here, we should simply crash as we already saved	3183	# if anything goes wrong in here, we should simply crash as we already saved
1855		3184
1856	# cancel all watchers	3185	warn "cancelling all WF_AUTOCANCEL watchers";
1857	for (Event::all_watchers) {	3186	for (Event::all_watchers) {
1858	$_->cancel if $_->data & WF_AUTOCANCEL;	3187	$_->cancel if $_->data & WF_AUTOCANCEL;
1859	}	3188	}
1860		3189
		3190	warn "flushing outstanding aio requests";
		3191	for (;;) {
		3192	BDB::flush;
		3193	IO::AIO::flush;
		3194	Coro::cede;
		3195	last unless IO::AIO::nreqs || BDB::nreqs;
		3196	warn "iterate...";
		3197	}
		3198
		3199	++$RELOAD;
		3200
1861	# cancel all extension coros	3201	warn "cancelling all extension coros";
1862	$_->cancel for values %EXT_CORO;	3202	$_->cancel for values %EXT_CORO;
1863	%EXT_CORO = ();	3203	%EXT_CORO = ();
1864		3204
1865	# unload all extensions	3205	warn "removing commands";
1866	for (@exts) {	3206	%COMMAND = ();
		3207
		3208	warn "removing ext/exti commands";
		3209	%EXTCMD = ();
		3210	%EXTICMD = ();
		3211
		3212	warn "unloading/nuking all extensions";
		3213	for my $pkg (@EXTS) {
1867	warn "unloading <$_>";	3214	warn "... unloading $pkg";
1868	unload_extension $_;	3215
		3216	if (my $cb = $pkg->can ("unload")) {
		3217	eval {
		3218	$cb->($pkg);
		3219	1
		3220	} or warn "$pkg unloaded, but with errors: $@";
1869	}	3221	}
1870		3222
		3223	warn "... nuking $pkg";
		3224	Symbol::delete_package $pkg;
		3225	}
		3226
1871	# unload all modules loaded from $LIBDIR	3227	warn "unloading all perl modules loaded from $LIBDIR";
1872	while (my ($k, $v) = each %INC) {	3228	while (my ($k, $v) = each %INC) {
1873	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3229	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1874		3230
1875	warn "removing <$k>";	3231	warn "... unloading $k";
1876	delete $INC{$k};	3232	delete $INC{$k};
1877		3233
1878	$k =~ s/\.pm$//;	3234	$k =~ s/\.pm$//;
1879	$k =~ s/\//::/g;	3235	$k =~ s/\//::/g;
1880		3236
…		…
1883	}	3239	}
1884		3240
1885	Symbol::delete_package $k;	3241	Symbol::delete_package $k;
1886	}	3242	}
1887		3243
1888	# sync database to disk
1889	cf::db_sync;
1890	IO::AIO::flush;
1891
1892	# get rid of safe::, as good as possible	3244	warn "getting rid of safe::, as good as possible";
1893	Symbol::delete_package "safe::$_"	3245	Symbol::delete_package "safe::$_"
1894	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3246	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1895		3247
1896	# remove register_script_function callbacks
1897	# TODO
1898
1899	# unload cf.pm "a bit"	3248	warn "unloading cf.pm \"a bit\"";
1900	delete $INC{"cf.pm"};	3249	delete $INC{"cf.pm"};
		3250	delete $INC{"cf/pod.pm"};
1901		3251
1902	# don't, removes xs symbols, too,	3252	# don't, removes xs symbols, too,
1903	# and global variables created in xs	3253	# and global variables created in xs
1904	#Symbol::delete_package __PACKAGE__;	3254	#Symbol::delete_package __PACKAGE__;
1905		3255
1906	# reload cf.pm	3256	warn "unload completed, starting to reload now";
		3257
1907	warn "reloading cf.pm";	3258	warn "reloading cf.pm";
1908	require cf;	3259	require cf;
1909	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3260	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1910		3261
1911	# load config and database again	3262	warn "loading config and database again";
1912	cf::cfg_load;	3263	cf::reload_config;
1913	cf::db_load;
1914		3264
1915	# load extensions
1916	warn "load extensions";	3265	warn "loading extensions";
1917	cf::load_extensions;	3266	cf::load_extensions;
1918		3267
1919	# reattach attachments to objects	3268	warn "reattaching attachments to objects/players";
1920	warn "reattach";	3269	_global_reattach; # objects, sockets
1921	_global_reattach;	3270	warn "reattaching attachments to maps";
1922	};	3271	reattach $_ for values %MAP;
		3272	warn "reattaching attachments to players";
		3273	reattach $_ for values %PLAYER;
1923		3274
1924	if ($@) {	3275	warn "leaving sync_job";
		3276
		3277	1
		3278	} or do {
1925	warn $@;	3279	warn $@;
1926	warn "error while reloading, exiting.";	3280	warn "error while reloading, exiting.";
1927	exit 1;	3281	exit 1;
1928	}	3282	};
1929		3283
1930	warn "reloaded successfully";	3284	warn "reloaded";
1931	};	3285	};
1932		3286
1933	#############################################################################	3287	our $RELOAD_WATCHER; # used only during reload
1934		3288
1935	unless ($LINK_MAP) {	3289	sub reload_perl() {
1936	$LINK_MAP = cf::map::new;	3290	# doing reload synchronously and two reloads happen back-to-back,
		3291	# coro crashes during coro_state_free->destroy here.
1937		3292
1938	$LINK_MAP->width (41);	3293	$RELOAD_WATCHER ||= Event->timer (
1939	$LINK_MAP->height (41);	3294	reentrant => 0,
1940	$LINK_MAP->alloc;
1941	$LINK_MAP->path ("{link}");
1942	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1943	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1944
1945	# dirty hack because... archetypes are not yet loaded
1946	Event->timer (
1947	after => 2,	3295	after => 0,
		3296	data => WF_AUTOCANCEL,
1948	cb => sub {	3297	cb => sub {
1949	$_[0]->w->cancel;	3298	do_reload_perl;
1950		3299	undef $RELOAD_WATCHER;
1951	# provide some exits "home"
1952	my $exit = cf::object::new "exit";
1953
1954	$exit->slaying ($EMERGENCY_POSITION->[0]);
1955	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1956	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
1957
1958	$LINK_MAP->insert ($exit->clone, 19, 19);
1959	$LINK_MAP->insert ($exit->clone, 19, 20);
1960	$LINK_MAP->insert ($exit->clone, 19, 21);
1961	$LINK_MAP->insert ($exit->clone, 20, 19);
1962	$LINK_MAP->insert ($exit->clone, 20, 21);
1963	$LINK_MAP->insert ($exit->clone, 21, 19);
1964	$LINK_MAP->insert ($exit->clone, 21, 20);
1965	$LINK_MAP->insert ($exit->clone, 21, 21);
1966
1967	$exit->destroy;
1968	});	3300	},
1969		3301	);
1970	$LINK_MAP->{deny_save} = 1;
1971	$LINK_MAP->{deny_reset} = 1;
1972
1973	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
1974	}	3302	}
1975
1976	register "<global>", __PACKAGE__;
1977		3303
1978	register_command "reload" => sub {	3304	register_command "reload" => sub {
1979	my ($who, $arg) = @_;	3305	my ($who, $arg) = @_;
1980		3306
1981	if ($who->flag (FLAG_WIZ)) {	3307	if ($who->flag (FLAG_WIZ)) {
1982	$who->message ("start of reload.");
1983	reload;
1984	$who->message ("end of reload.");	3308	$who->message ("reloading server.");
		3309	async { reload_perl };
1985	}	3310	}
1986	};	3311	};
1987		3312
1988	unshift @INC, $LIBDIR;	3313	unshift @INC, $LIBDIR;
1989		3314
		3315	my $bug_warning = 0;
		3316
		3317	our @WAIT_FOR_TICK;
		3318	our @WAIT_FOR_TICK_BEGIN;
		3319
		3320	sub wait_for_tick {
		3321	return unless $TICK_WATCHER->is_active;
		3322	return if $Coro::current == $Coro::main;
		3323
		3324	my $signal = new Coro::Signal;
		3325	push @WAIT_FOR_TICK, $signal;
		3326	$signal->wait;
		3327	}
		3328
		3329	sub wait_for_tick_begin {
		3330	return unless $TICK_WATCHER->is_active;
		3331	return if $Coro::current == $Coro::main;
		3332
		3333	my $signal = new Coro::Signal;
		3334	push @WAIT_FOR_TICK_BEGIN, $signal;
		3335	$signal->wait;
		3336	}
		3337
		3338	my $min = 1e6;#d#
		3339	my $avg = 10;
1990	$TICK_WATCHER = Event->timer (	3340	$TICK_WATCHER = Event->timer (
1991	reentrant => 0,	3341	reentrant => 0,
		3342	parked => 1,
1992	prio => 0,	3343	prio => 0,
1993	at => $NEXT_TICK || $TICK,	3344	at => $NEXT_TICK || $TICK,
1994	data => WF_AUTOCANCEL,	3345	data => WF_AUTOCANCEL,
1995	cb => sub {	3346	cb => sub {
1996	unless ($FREEZE) {	3347	if ($Coro::current != $Coro::main) {
		3348	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3349	unless ++$bug_warning > 10;
		3350	return;
		3351	}
		3352
		3353	$NOW = $tick_start = Event::time;
		3354
1997	cf::server_tick; # one server iteration	3355	cf::server_tick; # one server iteration
1998	$RUNTIME += $TICK;	3356
		3357	0 && sync_job {#d#
		3358	for(1..10) {
		3359	my $t = Event::time;
		3360	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3361	or die;
		3362
		3363	$map->width (50);
		3364	$map->height (50);
		3365	$map->alloc;
		3366	$map->_load_objects ("/tmp/x.map", 1);
		3367	my $t = Event::time - $t;
		3368
		3369	#next unless $t < 0.0013;#d#
		3370	if ($t < $min) {
		3371	$min = $t;
		3372	}
		3373	$avg = $avg * 0.99 + $t * 0.01;
		3374	}
		3375	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3376	exit 0;
		3377	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
1999	}	3378	};
2000		3379
		3380	$RUNTIME += $TICK;
2001	$NEXT_TICK += $TICK;	3381	$NEXT_TICK += $TICK;
2002		3382
		3383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3384	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3385	Coro::async_pool {
		3386	write_runtime
		3387	or warn "ERROR: unable to write runtime file: $!";
		3388	};
		3389	}
		3390
		3391	# my $AFTER = Event::time;
		3392	# warn $AFTER - $NOW;#d#
		3393
		3394	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3395	$sig->send;
		3396	}
		3397	while (my $sig = shift @WAIT_FOR_TICK) {
		3398	$sig->send;
		3399	}
		3400
		3401	$NOW = Event::time;
		3402
2003	# if we are delayed by four ticks or more, skip them all	3403	# if we are delayed by four ticks or more, skip them all
2004	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3404	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2005		3405
2006	$TICK_WATCHER->at ($NEXT_TICK);	3406	$TICK_WATCHER->at ($NEXT_TICK);
2007	$TICK_WATCHER->start;	3407	$TICK_WATCHER->start;
		3408
		3409	$LOAD = ($NOW - $tick_start) / $TICK;
		3410	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3411
		3412	_post_tick;
		3413
		3414
2008	},	3415	},
2009	);	3416	);
2010		3417
		3418	{
2011	IO::AIO::max_poll_time $TICK * 0.2;	3419	BDB::max_poll_time $TICK * 0.1;
2012		3420	$BDB_POLL_WATCHER = Event->io (
2013	Event->io (	3421	reentrant => 0,
2014	fd => IO::AIO::poll_fileno,	3422	fd => BDB::poll_fileno,
2015	poll => 'r',	3423	poll => 'r',
2016	prio => 5,	3424	prio => 0,
2017	data => WF_AUTOCANCEL,
2018	cb => \&IO::AIO::poll_cb,
2019	);
2020
2021	Event->timer (
2022	data => WF_AUTOCANCEL,	3425	data => WF_AUTOCANCEL,
2023	after => 0,	3426	cb => \&BDB::poll_cb,
2024	interval => 10,	3427	);
2025	cb => sub {	3428	BDB::min_parallel 8;
2026	(Coro::unblock_sub {	3429
2027	write_runtime	3430	BDB::set_sync_prepare {
2028	or warn "ERROR: unable to write runtime file: $!";	3431	my $status;
		3432	my $current = $Coro::current;
		3433	(
		3434	sub {
		3435	$status = $!;
		3436	$current->ready; undef $current;
		3437	},
		3438	sub {
		3439	Coro::schedule while defined $current;
		3440	$! = $status;
		3441	},
		3442	)
		3443	};
		3444
		3445	unless ($DB_ENV) {
		3446	$DB_ENV = BDB::db_env_create;
		3447
		3448	cf::sync_job {
		3449	eval {
		3450	BDB::db_env_open
		3451	$DB_ENV,
		3452	$BDBDIR,
		3453	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3454	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3455	0666;
		3456
		3457	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3458
		3459	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3460	$DB_ENV->set_lk_detect;
		3461	};
		3462
		3463	cf::cleanup "db_env_open(db): $@" if $@;
2029	})->();	3464	};
2030	},	3465	}
2031	);	3466	}
		3467
		3468	{
		3469	IO::AIO::min_parallel 8;
		3470
		3471	undef $Coro::AIO::WATCHER;
		3472	IO::AIO::max_poll_time $TICK * 0.1;
		3473	$AIO_POLL_WATCHER = Event->io (
		3474	reentrant => 0,
		3475	data => WF_AUTOCANCEL,
		3476	fd => IO::AIO::poll_fileno,
		3477	poll => 'r',
		3478	prio => 6,
		3479	cb => \&IO::AIO::poll_cb,
		3480	);
		3481	}
		3482
		3483	my $_log_backtrace;
		3484
		3485	sub _log_backtrace {
		3486	my ($msg, @addr) = @_;
		3487
		3488	$msg =~ s/\n//;
		3489
		3490	# limit the # of concurrent backtraces
		3491	if ($_log_backtrace < 2) {
		3492	++$_log_backtrace;
		3493	async {
		3494	my @bt = fork_call {
		3495	@addr = map { sprintf "%x", $_ } @addr;
		3496	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3497	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3498	or die "addr2line: $!";
		3499
		3500	my @funcs;
		3501	my @res = <$fh>;
		3502	chomp for @res;
		3503	while (@res) {
		3504	my ($func, $line) = splice @res, 0, 2, ();
		3505	push @funcs, "[$func] $line";
		3506	}
		3507
		3508	@funcs
		3509	};
		3510
		3511	LOG llevInfo, "[ABT] $msg\n";
		3512	LOG llevInfo, "[ABT] $_\n" for @bt;
		3513	--$_log_backtrace;
		3514	};
		3515	} else {
		3516	LOG llevInfo, "[ABT] $msg\n";
		3517	LOG llevInfo, "[ABT] [suppressed]\n";
		3518	}
		3519	}
		3520
		3521	# load additional modules
		3522	use cf::pod;
		3523
		3524	END { cf::emergency_save }
2032		3525
2033	1	3526	1
2034		3527

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