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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.137 by root, Fri Jan 5 10:23:05 2007 UTC vs.
Revision 1.335 by root, Mon Aug 20 22:21:48 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 1.4 ();
		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 $RANDOM_MAPS = cf::localdir . "/random";	95
55	our %EXT_CORO;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
		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 $tick_start; # for load detecting purposes
56		102
57	binmode STDOUT;	103	binmode STDOUT;
58	binmode STDERR;	104	binmode STDERR;
59		105
60	# read virtual server time, if available	106	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
62	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
63	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
64	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
65	}	111	}
66		112
67	mkdir cf::localdir;	113	mkdir $_
68	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		115
73	# a special map that is always available
74	our $LINK_MAP;
75	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
76		119
77	#############################################################################	120	#############################################################################
78		121
79	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
80		123
…		…
87	=item $cf::RUNTIME	130	=item $cf::RUNTIME
88		131
89	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
90	every server tick.	133	every server tick.
91		134
92	=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
93		138
94	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
95	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.
96		143
97	=item $cf::NOW	144	=item $cf::NOW
98		145
99	The time of the last (current) server tick.	146	The time of the last (current) server tick.
100		147
101	=item $cf::TICK	148	=item $cf::TICK
102		149
103	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.
104		161
105	=item %cf::CFG	162	=item %cf::CFG
106		163
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
108	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.
109		178
110	=back	179	=back
111		180
112	=cut	181	=cut
113		182
114	BEGIN {	183	BEGIN {
115	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	185	my $msg = join "", @_;
117	utf8::encode $msg;
118		186
119	$msg .= "\n"	187	$msg .= "\n"
120	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
121		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
122	LOG llevError, "cfperl: $msg";	193	LOG llevError, $msg;
123	};	194	};
124	}	195	}
125		196
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@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';
131	@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)
132		204
133	# 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
134	# within the Safe compartment.	206	# within the Safe compartment.
135	for my $pkg (qw(	207	for my $pkg (qw(
136	cf::global cf::attachable	208	cf::global cf::attachable
…		…
145		217
146	$Event::DIED = sub {	218	$Event::DIED = sub {
147	warn "error in event callback: @_";	219	warn "error in event callback: @_";
148	};	220	};
149		221
150	my %ext_pkg;	222	#############################################################################
151	my @exts;
152	my @hook;
153		223
154	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
155		225
156	=over 4	226	=over 4
157		227
158	=cut	228	=item dumpval $ref
159		229
160	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	}
161		250
162	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
163		252
164	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
165		254
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
174		256
175	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
176		258
177	=cut	259	=cut
178		260
179	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
181	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
182	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
183		265
184	=item cf::lock_wait $string	266	=item cf::lock_wait $string
185		267
186	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
187		269
…		…
193	returned.	275	returned.
194		276
195	Lock names should begin with a unique identifier (for example, cf::map::find	277	Lock names should begin with a unique identifier (for example, cf::map::find
196	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
197		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
198	=cut	284	=cut
199		285
200	our %LOCK;	286	our %LOCK;
201		287
202	sub lock_wait($) {	288	sub lock_wait($) {
…		…
221	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
223	}	309	}
224	}	310	}
225		311
226	=item cf::async { BLOCK }	312	sub lock_active($) {
227
228	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
229	error instead of exiting the server in case of a problem.
230
231	=cut
232
233	sub async(&) {
234	my ($cb) = @_;	313	my ($key) = @_;
235		314
236	Coro::async {	315	! ! $LOCK{$key}
237	eval { $cb->() };
238	warn $@ if $@;
239	}
240	}	316	}
241		317
242	sub freeze_mainloop {	318	sub freeze_mainloop {
243	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
244		320
245	my $guard = Coro::guard { $TICK_WATCHER->start };	321	my $guard = Coro::guard {
		322	$TICK_WATCHER->start;
		323	};
246	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
247	$guard	325	$guard
248	}	326	}
249		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
		382	}
		383
		384	=item cf::async { BLOCK }
		385
		386	Currently the same as Coro::async_pool, meaning you cannot use
		387	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		388	thing you are allowed to do is call C<prio> on it.
		389
		390	=cut
		391
		392	BEGIN { *async = \&Coro::async_pool }
		393
250	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
251		395
252	The design of crossfire+ requires that the main coro ($Coro::main) is	396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
253	always able to handle events or runnable, as crossfire+ is only partly	397	is always able to handle events or runnable, as Crossfire TRT is only
254	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
255		400
256	If it must be done, put the blocking parts into C<sync_job>. This will run	401	If it must be done, put the blocking parts into C<sync_job>. This will run
257	the given BLOCK in another coroutine while waiting for the result. The	402	the given BLOCK in another coroutine while waiting for the result. The
258	server will be frozen during this time, so the block should either finish	403	server will be frozen during this time, so the block should either finish
259	fast or be very important.	404	fast or be very important.
…		…
262		407
263	sub sync_job(&) {	408	sub sync_job(&) {
264	my ($job) = @_;	409	my ($job) = @_;
265		410
266	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
267	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
269		416
270	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
271	# (but this is cancel-safe)	418	# (but this is cancel-safe)
272	my $freeze_guard = freeze_mainloop;	419	my $freeze_guard = freeze_mainloop;
273		420
274	my $busy = 1;	421	my $busy = 1;
275	my @res;	422	my @res;
276		423
277	(Coro::async {	424	(async {
278	@res = eval { $job->() };	425	@res = eval { $job->() };
279	warn $@ if $@;	426	warn $@ if $@;
280	undef $busy;	427	undef $busy;
281	})->prio (Coro::PRIO_MAX);	428	})->prio (Coro::PRIO_MAX);
282		429
283	while ($busy) {	430	while ($busy) {
284	Coro::cede_notself;	431	Coro::cede or Event::one_event;
285	Event::one_event unless Coro::nready;
286	}	432	}
		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
287		440
288	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
289	} else {	442	} else {
290	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
291		444
292	$job->()	445	$job->()
293	}	446	}
294	}	447	}
295		448
296	=item $coro = cf::coro { BLOCK }	449	=item $coro = cf::async_ext { BLOCK }
297		450
298	Creates and returns a new coro. This coro is automcatially being canceled	451	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	452	extension calling this is being unloaded.
300		453
301	=cut	454	=cut
302		455
303	sub coro(&) {	456	sub async_ext(&) {
304	my $cb = shift;	457	my $cb = shift;
305		458
306	my $coro = &cf::async ($cb);	459	my $coro = &Coro::async ($cb);
307		460
308	$coro->on_destroy (sub {	461	$coro->on_destroy (sub {
309	delete $EXT_CORO{$coro+0};	462	delete $EXT_CORO{$coro+0};
310	});	463	});
311	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
312		465
313	$coro	466	$coro
314	}	467	}
315		468
316	sub write_runtime {	469	=item fork_call { }, $args
317	my $runtime = cf::localdir . "/runtime";
318		470
319	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
320	or return;	472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
321		475
322	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	476	=cut
323	(aio_write $fh, 0, (length $value), $value, 0) <= 0
324	and return;
325		477
326	aio_fsync $fh	478	sub fork_call(&@) {
327	and return;	479	my ($cb, @args) = @_;
328		480
329	close $fh	481	# we seemingly have to make a local copy of the whole thing,
330	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
331		484
332	aio_rename "$runtime~", $runtime	485	my @res = Coro::Util::fork_eval {
333	and return;	486	reset_signals;
		487	&$cb
		488	}, @args;
334		489
		490	wantarray ? @res : $res[-1]
		491	}
		492
		493	=item $value = cf::db_get $family => $key
		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
335	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
336	}	618	}
337		619
338	=back	620	=back
339		621
340	=cut	622	=cut
341
342	#############################################################################
343
344	package cf::path;
345
346	sub new {
347	my ($class, $path, $base) = @_;
348
349	$path = $path->as_string if ref $path;
350
351	my $self = bless { }, $class;
352
353	# {... are special paths that are not touched
354	# ?xxx/... are special absolute paths
355	# ?random/... random maps
356	# /! non-realised random map exit
357	# /... normal maps
358	# ~/... per-player maps without a specific player (DO NOT USE)
359	# ~user/... per-player map of a specific user
360
361	if ($path =~ /^{/) {
362	# fine as it is
363	} elsif ($path =~ s{^\?random/}{}) {
364	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
365	$self->{random} = cf::from_json $data;
366	} else {
367	if ($path =~ s{^~([^/]+)?}{}) {
368	$self->{user_rel} = 1;
369
370	if (defined $1) {
371	$self->{user} = $1;
372	} elsif ($base =~ m{^~([^/]+)/}) {
373	$self->{user} = $1;
374	} else {
375	warn "cannot resolve user-relative path without user <$path,$base>\n";
376	}
377	} elsif ($path =~ /^\//) {
378	# already absolute
379	} else {
380	$base =~ s{[^/]+/?$}{};
381	return $class->new ("$base/$path");
382	}
383
384	for ($path) {
385	redo if s{/\.?/}{/};
386	redo if s{/[^/]+/\.\./}{/};
387	}
388	}
389
390	$self->{path} = $path;
391
392	$self
393	}
394
395	# the name / primary key / in-game path
396	sub as_string {
397	my ($self) = @_;
398
399	$self->{user_rel} ? "~$self->{user}$self->{path}"
400	: $self->{random} ? "?random/$self->{path}"
401	: $self->{path}
402	}
403
404	# the displayed name, this is a one way mapping
405	sub visible_name {
406	my ($self) = @_;
407
408	# if (my $rmp = $self->{random}) {
409	# # todo: be more intelligent about this
410	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
411	# } else {
412	$self->as_string
413	# }
414	}
415
416	# escape the /'s in the path
417	sub _escaped_path {
418	# ∕ is U+2215
419	(my $path = $_[0]{path}) =~ s/\//∕/g;
420	$path
421	}
422
423	# the original (read-only) location
424	sub load_path {
425	my ($self) = @_;
426
427	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
428	}
429
430	# the temporary/swap location
431	sub save_path {
432	my ($self) = @_;
433
434	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
435	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
436	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
437	}
438
439	# the unique path, might be eq to save_path
440	sub uniq_path {
441	my ($self) = @_;
442
443	$self->{user_rel} || $self->{random}
444	? undef
445	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
446	}
447
448	# return random map parameters, or undef
449	sub random_map_params {
450	my ($self) = @_;
451
452	$self->{random}
453	}
454
455	# this is somewhat ugly, but style maps do need special treatment
456	sub is_style_map {
457	$_[0]{path} =~ m{^/styles/}
458	}
459
460	package cf;
461		623
462	#############################################################################	624	#############################################################################
463		625
464	=head2 ATTACHABLE OBJECTS	626	=head2 ATTACHABLE OBJECTS
465		627
…		…
467	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
468	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
469		631
470	In the following description, CLASS can be any of C<global>, C<object>	632	In the following description, CLASS can be any of C<global>, C<object>
471	C<player>, C<client> or C<map> (i.e. the attachable objects in	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
472	crossfire+).	634	Crossfire TRT).
473		635
474	=over 4	636	=over 4
475		637
476	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
477		639
…		…
591	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
592	our @CB_MAP = ();	754	our @CB_MAP = ();
593		755
594	my %attachment;	756	my %attachment;
595		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
596	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
597	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
598		766
599	use sort 'stable';	767	use sort 'stable';
600		768
…		…
634	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
635		803
636	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
637	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
638	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
639	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
640		808
641	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
642	my $pkg = shift @arg;	810	my $pkg = shift @arg;
643		811
644	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
673	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
674	}	842	}
675		843
676	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
677	} else {	845	} else {
678	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
679	}	847	}
680		848
681	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
682	}	850	}
683		851
…		…
685	if (ref $_[0]) {	853	if (ref $_[0]) {
686	_object_attach @_;	854	_object_attach @_;
687	} else {	855	} else {
688	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
689	}	857	}
		858	_recalc_want;
690	};	859	};
691		860
692	# all those should be optimised	861	# all those should be optimised
693	sub cf::attachable::detach {	862	sub cf::attachable::detach {
694	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
697	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
698	reattach ($obj);	867	reattach ($obj);
699	} else {	868	} else {
700	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
701	}	870	}
		871	_recalc_want;
702	};	872	};
703		873
704	sub cf::attachable::attached {	874	sub cf::attachable::attached {
705	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
706		876
…		…
721	";	891	";
722	die if $@;	892	die if $@;
723	}	893	}
724		894
725	our $override;	895	our $override;
726	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
727		897
728	sub override {	898	sub override {
729	$override = 1;	899	$override = 1;
730	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
731	}	901	}
732		902
733	sub do_invoke {	903	sub do_invoke {
734	my $event = shift;	904	my $event = shift;
735	my $callbacks = shift;	905	my $callbacks = shift;
736		906
737	@invoke_results = ();	907	@INVOKE_RESULTS = ();
738		908
739	local $override;	909	local $override;
740		910
741	for (@$callbacks) {	911	for (@$callbacks) {
742	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
759		929
760	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
761		931
762	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
763	removed in future versions), and there is no public API to access override	933	removed in future versions), and there is no public API to access override
764	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
765		935
766	=back	936	=back
767		937
768	=cut	938	=cut
769		939
770	#############################################################################	940	#############################################################################
771	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
772		953
773	sub reattach {	954	sub reattach {
774	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
775	my ($obj) = @_;	956	my ($obj) = @_;
		957
		958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
776		959
777	my $registry = $obj->registry;	960	my $registry = $obj->registry;
778		961
779	@$registry = ();	962	@$registry = ();
780		963
…		…
827	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
828		1011
829	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
831	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
832	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
833	close $fh;	1016	close $fh;
834		1017
835	if (@$objs) {	1018	if (@$objs) {
836	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
837	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
838	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
839	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
840	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
841	close $fh;	1024	close $fh;
842	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
843	}	1026	}
844	} else {	1027	} else {
845	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
877	or return;	1060	or return;
878	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
879	}	1062	}
880		1063
881	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
882	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
883	return ($data, $av);	1066	return ($data, $av);
884	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
885		1074
886	#############################################################################	1075	#############################################################################
887	# command handling &c	1076	# command handling &c
888		1077
889	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
902	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
903	}	1092	}
904		1093
905	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
906		1095
907	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
908		1101
909	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
910	called.	1103	called.
911		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
912	=cut	1116	=cut
913		1117
914	sub register_extcmd {	1118	sub register_extcmd {
915	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
916		1120
917	my $caller = caller;
918	#warn "registering extcmd '$name' to '$caller'";
919
920	$EXTCMD{$name} = [$cb, $caller];	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
921	}	1128	}
922		1129
923	cf::player->attach (	1130	cf::player->attach (
924	on_command => sub {	1131	on_command => sub {
925	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
934	cf::override;	1141	cf::override;
935	},	1142	},
936	on_extcmd => sub {	1143	on_extcmd => sub {
937	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
938		1145
939	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
940		1147
941	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
942	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
943	if (my %reply = $cb->[0]->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
944	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
945	}	1158	if $reply;
946	}	1159	}
947	} else {	1160	} else {
948	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
949	}	1162	}
950		1163
951	cf::override;	1164	cf::override;
952	},	1165	},
953	);	1166	);
954		1167
955	sub register {
956	my ($base, $pkg) = @_;
957
958	#TODO
959	}
960
961	sub load_extension {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
		1172	for my $path (<$LIBDIR/*.ext>) {
		1173	next unless -r $path;
		1174
		1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
		1232	}
		1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
		1238	};
		1239	}
		1240
		1241	#############################################################################
		1242
		1243	=back
		1244
		1245	=head2 CORE EXTENSIONS
		1246
		1247	Functions and methods that extend core crossfire objects.
		1248
		1249	=cut
		1250
		1251	package cf::player;
		1252
		1253	use Coro::AIO;
		1254
		1255	=head3 cf::player
		1256
		1257	=over 4
		1258
		1259	=item cf::player::find $login
		1260
		1261	Returns the given player object, loading it if necessary (might block).
		1262
		1263	=cut
		1264
		1265	sub playerdir($) {
		1266	"$PLAYERDIR/"
		1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1268	}
		1269
		1270	sub path($) {
		1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1272
		1273	(playerdir $login) . "/playerdata"
		1274	}
		1275
		1276	sub find_active($) {
		1277	$cf::PLAYER{$_[0]}
		1278	and $cf::PLAYER{$_[0]}->active
		1279	and $cf::PLAYER{$_[0]}
		1280	}
		1281
		1282	sub exists($) {
		1283	my ($login) = @_;
		1284
		1285	$cf::PLAYER{$login}
		1286	or cf::sync_job { !aio_stat path $login }
		1287	}
		1288
		1289	sub find($) {
		1290	return $cf::PLAYER{$_[0]} || do {
		1291	my $login = $_[0];
		1292
		1293	my $guard = cf::lock_acquire "user_find:$login";
		1294
		1295	$cf::PLAYER{$_[0]} || do {
		1296	# rename old playerfiles to new ones
		1297	#TODO: remove when no longer required
		1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1301	aio_unlink +(playerdir $login) . "/$login.pl";
		1302
		1303	my $pl = load_pl path $login
		1304	or return;
		1305	$cf::PLAYER{$login} = $pl
		1306	}
		1307	}
		1308	}
		1309
		1310	sub save($) {
		1311	my ($pl) = @_;
		1312
		1313	return if $pl->{deny_save};
		1314
		1315	my $path = path $pl;
		1316	my $guard = cf::lock_acquire "user_save:$path";
		1317
		1318	return if $pl->{deny_save};
		1319
		1320	aio_mkdir playerdir $pl, 0770;
		1321	$pl->{last_save} = $cf::RUNTIME;
		1322
		1323	$pl->save_pl ($path);
		1324	Coro::cede;
		1325	}
		1326
		1327	sub new($) {
		1328	my ($login) = @_;
		1329
		1330	my $self = create;
		1331
		1332	$self->ob->name ($login);
		1333	$self->{deny_save} = 1;
		1334
		1335	$cf::PLAYER{$login} = $self;
		1336
		1337	$self
		1338	}
		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
		1350	=item $pl->quit_character
		1351
		1352	Nukes the player without looking back. If logged in, the connection will
		1353	be destroyed. May block for a long time.
		1354
		1355	=cut
		1356
		1357	sub quit_character {
		1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
		1361
		1362	$pl->{deny_save} = 1;
		1363	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1364
		1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1366	$pl->deactivate;
		1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1368	$pl->ns->destroy if $pl->ns;
		1369
		1370	my $path = playerdir $pl;
		1371	my $temp = "$path~$cf::RUNTIME~deleting~";
		1372	aio_rename $path, $temp;
		1373	delete $cf::PLAYER{$pl->ob->name};
		1374	$pl->destroy;
		1375
		1376	my $prefix = qr<^~\Q$name\E/>;
		1377
		1378	# nuke player maps
		1379	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1380
		1381	IO::AIO::aio_rmtree $temp;
		1382	}
		1383
		1384	=item $pl->kick
		1385
		1386	Kicks a player out of the game. This destroys the connection.
		1387
		1388	=cut
		1389
		1390	sub kick {
		1391	my ($pl, $kicker) = @_;
		1392
		1393	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1394	$pl->killer ("kicked");
		1395	$pl->ns->destroy;
		1396	}
		1397
		1398	=item cf::player::list_logins
		1399
		1400	Returns am arrayref of all valid playernames in the system, can take a
		1401	while and may block, so not sync_job-capable, ever.
		1402
		1403	=cut
		1404
		1405	sub list_logins {
		1406	my $dirs = aio_readdir $PLAYERDIR
		1407	or return [];
		1408
		1409	my @logins;
		1410
		1411	for my $login (@$dirs) {
		1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1413	aio_read $fh, 0, 512, my $buf, 0 or next;
		1414	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1415
		1416	utf8::decode $login;
		1417	push @logins, $login;
		1418	}
		1419
		1420	\@logins
		1421	}
		1422
		1423	=item $player->maps
		1424
		1425	Returns an arrayref of map paths that are private for this
		1426	player. May block.
		1427
		1428	=cut
		1429
		1430	sub maps($) {
		1431	my ($pl) = @_;
		1432
		1433	$pl = ref $pl ? $pl->ob->name : $pl;
		1434
		1435	my $files = aio_readdir playerdir $pl
		1436	or return;
		1437
		1438	my @paths;
		1439
		1440	for (@$files) {
		1441	utf8::decode $_;
		1442	next if /\.(?:pl|pst)$/;
		1443	next unless /^$PATH_SEP/o;
		1444
		1445	push @paths, cf::map::normalise "~$pl/$_";
		1446	}
		1447
		1448	\@paths
		1449	}
		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male|female> tags
		1472	|| s{G<([^>|]*)\|([^>]*)>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	|| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
		1501	=item $player->ext_reply ($msgid, @msg)
		1502
		1503	Sends an ext reply to the player.
		1504
		1505	=cut
		1506
		1507	sub ext_reply($$@) {
		1508	my ($self, $id, @msg) = @_;
		1509
		1510	if ($self->ns->extcmd == 2) {
		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
		1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
		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($) {
962	my ($path) = @_;	1546	my ($path) = @_;
963		1547
964	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1548	my ($match, $specificity);
965	my $base = $1;
966	my $pkg = $1;
967	$pkg =~ s/[^[:word:]]/_/g;
968	$pkg = "ext::$pkg";
969		1549
970	warn "loading '$path' into '$pkg'\n";	1550	for my $region (list) {
971		1551	if ($region->{match} && $path =~ $region->{match}) {
972	open my $fh, "<:utf8", $path	1552	($match, $specificity) = ($region, $region->specificity)
973	or die "$path: $!";	1553	if $region->specificity > $specificity;
974		1554	}
975	my $source =
976	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"
978	. (do { local $/; <$fh> })
979	. "\n};\n1";
980
981	eval $source
982	or die $@ ? "$path: $@\n"
983	: "extension disabled.\n";
984
985	push @exts, $pkg;
986	$ext_pkg{$base} = $pkg;
987
988	# no strict 'refs';
989	# @{"$pkg\::ISA"} = ext::;
990
991	register $base, $pkg;
992	}
993
994	sub unload_extension {
995	my ($pkg) = @_;
996
997	warn "removing extension $pkg\n";
998
999	# remove hooks
1000	#TODO
1001	# for my $idx (0 .. $#PLUGIN_EVENT) {
1002	# delete $hook[$idx]{$pkg};
1003	# }	1555	}
1004		1556
1005	# remove commands	1557	$match
1006	for my $name (keys %COMMAND) {
1007	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1008
1009	if (@cb) {
1010	$COMMAND{$name} = \@cb;
1011	} else {
1012	delete $COMMAND{$name};
1013	}
1014	}
1015
1016	# remove extcmds
1017	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1018	delete $EXTCMD{$name};
1019	}
1020
1021	if (my $cb = $pkg->can ("unload")) {
1022	eval {
1023	$cb->($pkg);
1024	1
1025	} or warn "$pkg unloaded, but with errors: $@";
1026	}
1027
1028	Symbol::delete_package $pkg;
1029	}
1030
1031	sub load_extensions {
1032	for my $ext (<$LIBDIR/*.ext>) {
1033	next unless -r $ext;
1034	eval {
1035	load_extension $ext;
1036	1
1037	} or warn "$ext not loaded: $@";
1038	}
1039	}
1040
1041	#############################################################################
1042	# load/save/clean perl data associated with a map
1043
1044	*cf::mapsupport::on_clean = sub {
1045	my ($map) = @_;
1046
1047	my $path = $map->tmpname;
1048	defined $path or return;
1049
1050	unlink "$path.pst";
1051	};
1052
1053	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1054
1055	#############################################################################
1056	# load/save perl data associated with player->ob objects
1057
1058	sub all_objects(@) {
1059	@_, map all_objects ($_->inv), @_
1060	}
1061
1062	# TODO: compatibility cruft, remove when no longer needed
1063	cf::player->attach (
1064	on_load => sub {
1065	my ($pl, $path) = @_;
1066
1067	for my $o (all_objects $pl->ob) {
1068	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1069	$o->set_ob_key_value ("_perl_data");
1070
1071	%$o = %{ Storable::thaw pack "H*", $value };
1072	}
1073	}
1074	},
1075	);
1076
1077	#############################################################################
1078
1079	=head2 CORE EXTENSIONS
1080
1081	Functions and methods that extend core crossfire objects.
1082
1083	=head3 cf::player
1084
1085	=over 4
1086
1087	=item cf::player::exists $login
1088
1089	Returns true when the given account exists.
1090
1091	=cut
1092
1093	sub cf::player::exists($) {
1094	cf::player::find $_[0]
1095	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1096	}
1097
1098	=item $player->ext_reply ($msgid, $msgtype, %msg)
1099
1100	Sends an ext reply to the player.
1101
1102	=cut
1103
1104	sub cf::player::ext_reply($$$%) {
1105	my ($self, $id, %msg) = @_;
1106
1107	$msg{msgid} = $id;
1108
1109	$self->send ("ext " . to_json \%msg);
1110	}	1558	}
1111		1559
1112	=back	1560	=back
1113
1114		1561
1115	=head3 cf::map	1562	=head3 cf::map
1116		1563
1117	=over 4	1564	=over 4
1118		1565
…		…
1121	package cf::map;	1568	package cf::map;
1122		1569
1123	use Fcntl;	1570	use Fcntl;
1124	use Coro::AIO;	1571	use Coro::AIO;
1125		1572
		1573	use overload
		1574	'""' => \&as_string,
		1575	fallback => 1;
		1576
1126	our $MAX_RESET = 3600;	1577	our $MAX_RESET = 3600;
1127	our $DEFAULT_RESET = 3000;	1578	our $DEFAULT_RESET = 3000;
1128		1579
1129	sub generate_random_map {	1580	sub generate_random_map {
1130	my ($path, $rmp) = @_;	1581	my ($self, $rmp) = @_;
1131
1132	# mit "rum" bekleckern, nicht	1582	# mit "rum" bekleckern, nicht
1133	cf::map::_create_random_map	1583	$self->_create_random_map (
1134	$path,
1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138	$rmp->{exit_on_final_map},	1587	$rmp->{exit_on_final_map},
1139	$rmp->{xsize}, $rmp->{ysize},	1588	$rmp->{xsize}, $rmp->{ysize},
1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143	$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},
1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145	(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"
1146	}	1723	}
1147		1724
1148	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1149	# all maps in C++...	1726	# all maps in C++...
1150	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1152		1729
1153	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1154	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1155	}	1732	}
1156		1733
		1734	sub decay_objects {
		1735	my ($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
1157	sub try_load_header($) {	1750	sub load_header_from($) {
1158	my ($path) = @_;	1751	my ($self, $path) = @_;
1159		1752
1160	utf8::encode $path;	1753	utf8::encode $path;
1161	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
		1755	# or return;
		1756
		1757	$self->_load_header ($path)
1162	or return;	1758	or return;
1163		1759
1164	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
1165	or return;	1803	or return;
		1804	$self->prepare_orig;
		1805	}
1166		1806
1167	# for better error messages only, will be overwritten	1807	$self->{deny_reset} = 1
1168	$map->path ($path);	1808	if $self->no_reset;
1169		1809
1170	$map->load_header ($path)	1810	$self->default_region (cf::region::find_by_path $self->{path})
1171	or return;	1811	unless $self->default_region;
1172		1812
1173	$map->{load_path} = $path;	1813	1
1174
1175	$map
1176	}	1814	}
1177		1815
1178	sub find;	1816	sub find;
1179	sub find {	1817	sub find {
1180	my ($path, $origin) = @_;	1818	my ($path, $origin) = @_;
1181		1819
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1820	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1821
1187	cf::lock_wait "map_find:$key";	1822	cf::lock_wait "map_find:$path";
1188		1823
1189	$cf::MAP{$key} || do {	1824	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1825	my $guard = cf::lock_acquire "map_find:$path";
1191		1826	my $map = new_from_path cf::map $path
1192	# do it the slow way
1193	my $map = try_load_header $path->save_path;
1194
1195	Coro::cede;
1196
1197	if ($map) {
1198	$map->last_access ((delete $map->{last_access})
1199	|| $cf::RUNTIME); #d#
1200	# safety
1201	$map->{instantiate_time} = $cf::RUNTIME
1202	if $map->{instantiate_time} > $cf::RUNTIME;
1203	} else {
1204	if (my $rmp = $path->random_map_params) {
1205	$map = generate_random_map $key, $rmp;
1206	} else {
1207	$map = try_load_header $path->load_path;
1208	}
1209
1210	$map or return;	1827	or return;
1211		1828
1212	$map->{load_original} = 1;
1213	$map->{instantiate_time} = $cf::RUNTIME;
1214	$map->last_access ($cf::RUNTIME);
1215	$map->instantiate;
1216
1217	# per-player maps become, after loading, normal maps
1218	$map->per_player (0) if $path->{user_rel};
1219	}
1220
1221	$map->path ($key);
1222	$map->{path} = $path;
1223	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1224		1830
1225	Coro::cede;	1831	$map->load_header
		1832	or return;
1226		1833
1227	if ($map->should_reset) {	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;
1228	$map->reset;	1837	$map->reset;
1229	undef $guard;	1838	undef $guard;
1230	$map = find $path	1839	return find $path;
1231	or return;
1232	}	1840	}
1233		1841
1234	$cf::MAP{$key} = $map	1842	$cf::MAP{$path} = $map
1235	}	1843	}
1236	}	1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
1237		1848
1238	sub load {	1849	sub load {
1239	my ($self) = @_;	1850	my ($self) = @_;
1240		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
1241	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1857	my $guard = cf::lock_acquire "map_load:$path";
1243		1858
1244	return if $self->in_memory != cf::MAP_SWAPPED;	1859	return if $self->in_memory != cf::MAP_SWAPPED;
1245		1860
1246	$self->in_memory (cf::MAP_LOADING);	1861	$self->in_memory (cf::MAP_LOADING);
1247		1862
1248	$self->alloc;	1863	$self->alloc;
		1864
		1865	$self->pre_load;
		1866	Coro::cede;
		1867
1249	$self->load_objects ($self->{load_path}, 1)	1868	$self->_load_objects ($self->{load_path}, 1)
1250	or return;	1869	or return;
1251		1870
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1253	if delete $self->{load_original};	1872	if delete $self->{load_original};
1254		1873
1255	if (my $uniq = $path->uniq_path) {	1874	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	1875	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	1876	if (aio_open $uniq, O_RDONLY, 0) {
1258	$self->clear_unique_items;	1877	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	1878	$self->_load_objects ($uniq, 0);
1260	}	1879	}
1261	}	1880	}
1262		1881
1263	Coro::cede;	1882	Coro::cede;
1264
1265	# now do the right thing for maps	1883	# now do the right thing for maps
1266	$self->link_multipart_objects;	1884	$self->link_multipart_objects;
1267
1268	if ($self->{path}->is_style_map) {
1269	$self->{deny_save} = 1;
1270	$self->{deny_reset} = 1;
1271	} else {
1272	$self->fix_auto_apply;
1273	$self->decay_objects;
1274	$self->update_buttons;
1275	$self->set_darkness_map;
1276	$self->difficulty ($self->estimate_difficulty)	1885	$self->difficulty ($self->estimate_difficulty)
1277	unless $self->difficulty;	1886	unless $self->difficulty;
		1887	Coro::cede;
		1888
		1889	unless ($self->{deny_activate}) {
		1890	$self->decay_objects;
		1891	$self->fix_auto_apply;
		1892	$self->update_buttons;
		1893	Coro::cede;
		1894	$self->set_darkness_map;
		1895	Coro::cede;
1278	$self->activate;	1896	$self->activate;
1279	}	1897	}
1280		1898
1281	Coro::cede;	1899	$self->{last_save} = $cf::RUNTIME;
		1900	$self->last_access ($cf::RUNTIME);
1282		1901
1283	$self->in_memory (cf::MAP_IN_MEMORY);	1902	$self->in_memory (cf::MAP_IN_MEMORY);
		1903	}
		1904
		1905	$self->post_load;
		1906	}
		1907
		1908	sub customise_for {
		1909	my ($self, $ob) = @_;
		1910
		1911	return find "~" . $ob->name . "/" . $self->{path}
		1912	if $self->per_player;
		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
		1916
		1917	$self
		1918	}
		1919
		1920	# find and load all maps in the 3x3 area around a map
		1921	sub load_neighbours {
		1922	my ($map) = @_;
		1923
		1924	my @neigh; # diagonal neighbours
		1925
		1926	for (0 .. 3) {
		1927	my $neigh = $map->tile_path ($_)
		1928	or next;
		1929	$neigh = find $neigh, $map
		1930	or next;
		1931	$neigh->load;
		1932
		1933	push @neigh,
		1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1936	}
		1937
		1938	for (grep defined $_->[0], @neigh) {
		1939	my ($path, $origin) = @$_;
		1940	my $neigh = find $path, $origin
		1941	or next;
		1942	$neigh->load;
		1943	}
1284	}	1944	}
1285		1945
1286	sub find_sync {	1946	sub find_sync {
1287	my ($path, $origin) = @_;	1947	my ($path, $origin) = @_;
1288		1948
1289	cf::sync_job { cf::map::find $path, $origin }	1949	cf::sync_job { find $path, $origin }
1290	}	1950	}
1291		1951
1292	sub do_load_sync {	1952	sub do_load_sync {
1293	my ($map) = @_;	1953	my ($map) = @_;
1294		1954
1295	cf::sync_job { $map->load };	1955	cf::sync_job { $map->load };
1296	}	1956	}
1297		1957
		1958	our %MAP_PREFETCH;
		1959	our $MAP_PREFETCHER = undef;
		1960
		1961	sub find_async {
		1962	my ($path, $origin) = @_;
		1963
		1964	$path = normalise $path, $origin && $origin->{path};
		1965
		1966	if (my $map = $cf::MAP{$path}) {
		1967	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1968	}
		1969
		1970	undef $MAP_PREFETCH{$path};
		1971	$MAP_PREFETCHER ||= cf::async {
		1972	while (%MAP_PREFETCH) {
		1973	for my $path (keys %MAP_PREFETCH) {
		1974	if (my $map = find $path) {
		1975	$map->load;
		1976	}
		1977
		1978	delete $MAP_PREFETCH{$path};
		1979	}
		1980	}
		1981	undef $MAP_PREFETCHER;
		1982	};
		1983	$MAP_PREFETCHER->prio (6);
		1984
		1985	()
		1986	}
		1987
1298	sub save {	1988	sub save {
1299	my ($self) = @_;	1989	my ($self) = @_;
1300		1990
1301	my $lock = cf::lock_acquire "map_data:" . $self->path;	1991	my $lock = cf::lock_acquire "map_data:" . $self->path;
1302		1992
1303	$self->{last_save} = $cf::RUNTIME;	1993	$self->{last_save} = $cf::RUNTIME;
1304		1994
1305	return unless $self->dirty;	1995	return unless $self->dirty;
1306		1996
1307	my $save = $self->{path}->save_path; utf8::encode $save;	1997	my $save = $self->save_path; utf8::encode $save;
1308	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1998	my $uniq = $self->uniq_path; utf8::encode $uniq;
1309		1999
1310	$self->{load_path} = $save;	2000	$self->{load_path} = $save;
1311		2001
1312	return if $self->{deny_save};	2002	return if $self->{deny_save};
1313		2003
1314	local $self->{last_access} = $self->last_access;#d#	2004	local $self->{last_access} = $self->last_access;#d#
1315		2005
		2006	cf::async {
		2007	$_->contr->save for $self->players;
		2008	};
		2009
1316	if ($uniq) {	2010	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2011	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);	2012	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {	2013	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2014	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}	2015	}
1322	}	2016	}
1323		2017
1324	sub swap_out {	2018	sub swap_out {
1325	my ($self) = @_;	2019	my ($self) = @_;
…		…
1339		2033
1340	sub reset_at {	2034	sub reset_at {
1341	my ($self) = @_;	2035	my ($self) = @_;
1342		2036
1343	# TODO: safety, remove and allow resettable per-player maps	2037	# TODO: safety, remove and allow resettable per-player maps
1344	return 1e99 if $self->{path}{user_rel};
1345	return 1e99 if $self->{deny_reset};	2038	return 1e99 if $self->{deny_reset};
1346		2039
1347	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2040	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1348	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2041	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1349		2042
…		…
1354	my ($self) = @_;	2047	my ($self) = @_;
1355		2048
1356	$self->reset_at <= $cf::RUNTIME	2049	$self->reset_at <= $cf::RUNTIME
1357	}	2050	}
1358		2051
1359	sub unlink_save {
1360	my ($self) = @_;
1361
1362	utf8::encode (my $save = $self->{path}->save_path);
1363	aioreq_pri 3; IO::AIO::aio_unlink $save;
1364	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1365	}
1366
1367	sub rename {
1368	my ($self, $new_path) = @_;
1369
1370	$self->unlink_save;
1371
1372	delete $cf::MAP{$self->path};
1373	$self->{path} = new cf::path $new_path;
1374	$self->path ($self->{path}->as_string);
1375	$cf::MAP{$self->path} = $self;
1376
1377	$self->save;
1378	}
1379
1380	sub reset {	2052	sub reset {
1381	my ($self) = @_;	2053	my ($self) = @_;
1382		2054
1383	my $lock = cf::lock_acquire "map_data:" . $self->path;	2055	my $lock = cf::lock_acquire "map_data:$self->{path}";
1384		2056
1385	return if $self->players;	2057	return if $self->players;
1386	return if $self->{path}{user_rel};#d#
1387		2058
1388	warn "resetting map ", $self->path;#d#	2059	warn "resetting map ", $self->path;
		2060
		2061	$self->in_memory (cf::MAP_SWAPPED);
		2062
		2063	# need to save uniques path
		2064	unless ($self->{deny_save}) {
		2065	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2066
		2067	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2068	if $uniq;
		2069	}
1389		2070
1390	delete $cf::MAP{$self->path};	2071	delete $cf::MAP{$self->path};
		2072
		2073	$self->clear;
1391		2074
1392	$_->clear_links_to ($self) for values %cf::MAP;	2075	$_->clear_links_to ($self) for values %cf::MAP;
1393		2076
1394	$self->unlink_save;	2077	$self->unlink_save;
1395	$self->destroy;	2078	$self->destroy;
…		…
1398	my $nuke_counter = "aaaa";	2081	my $nuke_counter = "aaaa";
1399		2082
1400	sub nuke {	2083	sub nuke {
1401	my ($self) = @_;	2084	my ($self) = @_;
1402		2085
		2086	delete $cf::MAP{$self->path};
		2087
		2088	$self->unlink_save;
		2089
		2090	bless $self, "cf::map";
		2091	delete $self->{deny_reset};
1403	$self->{deny_save} = 1;	2092	$self->{deny_save} = 1;
1404	$self->reset_timeout (1);	2093	$self->reset_timeout (1);
1405	$self->rename ("{nuke}/" . ($nuke_counter++));	2094	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2095
		2096	$cf::MAP{$self->path} = $self;
		2097
1406	$self->reset; # polite request, might not happen	2098	$self->reset; # polite request, might not happen
1407	}	2099	}
1408		2100
1409	sub customise_for {	2101	=item $maps = cf::map::tmp_maps
1410	my ($map, $ob) = @_;
1411		2102
1412	if ($map->per_player) {	2103	Returns an arrayref with all map paths of currently instantiated and saved
1413	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2104	maps. May block.
		2105
		2106	=cut
		2107
		2108	sub tmp_maps() {
1414	}	2109	[
1415		2110	map {
1416	$map	2111	utf8::decode $_;
		2112	/\.map$/
		2113	? normalise $_
		2114	: ()
		2115	} @{ aio_readdir $TMPDIR or [] }
		2116	]
1417	}	2117	}
1418		2118
1419	sub emergency_save {	2119	=item $maps = cf::map::random_maps
1420	my $freeze_guard = cf::freeze_mainloop;
1421		2120
1422	warn "enter emergency map save\n";	2121	Returns an arrayref with all map paths of currently instantiated and saved
		2122	random maps. May block.
1423		2123
1424	cf::sync_job {	2124	=cut
1425	warn "begin emergency map save\n";
1426	$_->save for values %cf::MAP;
1427	};
1428		2125
1429	warn "end emergency map save\n";	2126	sub random_maps() {
		2127	[
		2128	map {
		2129	utf8::decode $_;
		2130	/\.map$/
		2131	? normalise "?random/$_"
		2132	: ()
		2133	} @{ aio_readdir $RANDOMDIR or [] }
		2134	]
		2135	}
		2136
		2137	=item cf::map::unique_maps
		2138
		2139	Returns an arrayref of paths of all shared maps that have
		2140	instantiated unique items. May block.
		2141
		2142	=cut
		2143
		2144	sub unique_maps() {
		2145	[
		2146	map {
		2147	utf8::decode $_;
		2148	/\.map$/
		2149	? normalise $_
		2150	: ()
		2151	} @{ aio_readdir $UNIQUEDIR or [] }
		2152	]
1430	}	2153	}
1431		2154
1432	package cf;	2155	package cf;
1433		2156
1434	=back	2157	=back
1435		2158
		2159	=head3 cf::object
		2160
		2161	=cut
		2162
		2163	package cf::object;
		2164
		2165	=over 4
		2166
		2167	=item $ob->inv_recursive
		2168
		2169	Returns the inventory of the object _and_ their inventories, recursively.
		2170
		2171	=cut
		2172
		2173	sub inv_recursive_;
		2174	sub inv_recursive_ {
		2175	map { $_, inv_recursive_ $_->inv } @_
		2176	}
		2177
		2178	sub inv_recursive {
		2179	inv_recursive_ inv $_[0]
		2180	}
		2181
		2182	package cf;
		2183
		2184	=back
1436		2185
1437	=head3 cf::object::player	2186	=head3 cf::object::player
1438		2187
1439	=over 4	2188	=over 4
1440		2189
…		…
1454		2203
1455	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2204	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1456		2205
1457	if ($self->{record_replies}) {	2206	if ($self->{record_replies}) {
1458	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2207	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2208
1459	} else {	2209	} else {
		2210	my $pl = $self->contr;
		2211
		2212	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2213	my $dialog = $pl->{npc_dialog};
		2214	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2215
		2216	} else {
1460	$msg = $npc->name . " says: $msg" if $npc;	2217	$msg = $npc->name . " says: $msg" if $npc;
1461	$self->message ($msg, $flags);	2218	$self->message ($msg, $flags);
		2219	}
1462	}	2220	}
		2221	}
		2222
		2223	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2224
		2225	=cut
		2226
		2227	sub cf::object::send_msg {
		2228	my $pl = shift->contr
		2229	or return;
		2230	$pl->send_msg (@_);
1463	}	2231	}
1464		2232
1465	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1466		2234
1467	Returns wether the given player is authorized to access resource "access"	2235	Returns wether the given player is authorized to access resource "access"
…		…
1480		2248
1481	=item $player_object->enter_link	2249	=item $player_object->enter_link
1482		2250
1483	Freezes the player and moves him/her to a special map (C<{link}>).	2251	Freezes the player and moves him/her to a special map (C<{link}>).
1484		2252
1485	The player should be reaosnably safe there for short amounts of time. You	2253	The player should be reasonably safe there for short amounts of time. You
1486	I<MUST> call C<leave_link> as soon as possible, though.	2254	I<MUST> call C<leave_link> as soon as possible, though.
1487		2255
		2256	Will never block.
		2257
1488	=item $player_object->leave_link ($map, $x, $y)	2258	=item $player_object->leave_link ($map, $x, $y)
1489		2259
1490	Moves the player out of the specila link map onto the given map. If the	2260	Moves the player out of the special C<{link}> map onto the specified
1491	map is not valid (or omitted), the player will be moved back to the	2261	map. If the map is not valid (or omitted), the player will be moved back
1492	location he/she was before the call to C<enter_link>, or, if that fails,	2262	to the location he/she was before the call to C<enter_link>, or, if that
1493	to the emergency map position.	2263	fails, to the emergency map position.
1494		2264
1495	Might block.	2265	Might block.
1496		2266
1497	=cut	2267	=cut
		2268
		2269	sub link_map {
		2270	unless ($LINK_MAP) {
		2271	$LINK_MAP = cf::map::find "{link}"
		2272	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2273	$LINK_MAP->load;
		2274	}
		2275
		2276	$LINK_MAP
		2277	}
1498		2278
1499	sub cf::object::player::enter_link {	2279	sub cf::object::player::enter_link {
1500	my ($self) = @_;	2280	my ($self) = @_;
1501		2281
1502	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1503		2283
1504	return if $self->map == $LINK_MAP;	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1505		2285
1506	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1507	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1508		2288
1509	$self->enter_map ($LINK_MAP, 20, 20);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1510	}	2290	}
1511		2291
1512	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1513	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1514		2296
1515	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1516		2298
1517	unless ($map) {	2299	unless ($map) {
1518	# restore original map position	2300	# restore original map position
…		…
1532	# use -1 or undef as default coordinates, not 0, 0	2314	# use -1 or undef as default coordinates, not 0, 0
1533	($x, $y) = ($map->enter_x, $map->enter_y)	2315	($x, $y) = ($map->enter_x, $map->enter_y)
1534	if $x <=0 && $y <= 0;	2316	if $x <=0 && $y <= 0;
1535		2317
1536	$map->load;	2318	$map->load;
		2319	$map->load_neighbours;
1537		2320
		2321	return unless $self->contr->active;
1538	$self->activate_recursive;	2322	$self->activate_recursive;
		2323
		2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1539	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1540	}	2326	}
1541		2327
1542	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1543	on_logout => sub {
1544	my ($pl) = @_;
1545		2329
1546	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1547	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1548	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1549	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1550	};	2334	be called at the end of this process.
1551	}
1552	},
1553	on_login => sub {
1554	my ($pl) = @_;
1555		2335
1556	# try to abort aborted map switching on player login :)
1557	# should happen only on crashes
1558	if ($pl->ob->{_link_pos}) {
1559	$pl->ob->enter_link;
1560	cf::async {
1561	# we need this sleep as the login has a concurrent enter_exit running
1562	# and this sleep increases chances of the player not ending up in scorn
1563	Coro::Timer::sleep 1;
1564	$pl->ob->leave_link;
1565	};
1566	}
1567	},
1568	);
1569
1570	=item $player_object->goto ($path, $x, $y)
1571
1572	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1573		2339
1574	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1575	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
		2342
		2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1576		2345
1577	$self->enter_link;	2346	$self->enter_link;
1578		2347
1579	(cf::async {	2348	(async {
1580	$path = new cf::path $path;	2349	my $map = eval {
1581
1582	my $map = cf::map::find $path->as_string;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1583	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
1584		2354	$map = $check->($map) if $check && $map;
1585	# warn "entering ", $map->path, " at ($x, $y)\n"	2355	} else {
1586	# if $map;
1587
1588	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
1589		2358
		2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
		2365	}
		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1590	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1591	})->prio (1);	2373	})->prio (1);
1592	}	2374	}
1593		2375
1594	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1595		2377
…		…
1597		2379
1598	sub parse_random_map_params {	2380	sub parse_random_map_params {
1599	my ($spec) = @_;	2381	my ($spec) = @_;
1600		2382
1601	my $rmp = { # defaults	2383	my $rmp = { # defaults
1602	xsize => 10,	2384	xsize => (cf::rndm 15, 40),
1603	ysize => 10,	2385	ysize => (cf::rndm 15, 40),
		2386	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2387	#layout => string,
1604	};	2388	};
1605		2389
1606	for (split /\n/, $spec) {	2390	for (split /\n/, $spec) {
1607	my ($k, $v) = split /\s+/, $_, 2;	2391	my ($k, $v) = split /\s+/, $_, 2;
1608		2392
…		…
1612	$rmp	2396	$rmp
1613	}	2397	}
1614		2398
1615	sub prepare_random_map {	2399	sub prepare_random_map {
1616	my ($exit) = @_;	2400	my ($exit) = @_;
		2401
		2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
1617		2403
1618	# all this does is basically replace the /! path by	2404	# all this does is basically replace the /! path by
1619	# a new random map path (?random/...) with a seed	2405	# a new random map path (?random/...) with a seed
1620	# that depends on the exit object	2406	# that depends on the exit object
1621		2407
1622	my $rmp = parse_random_map_params $exit->msg;	2408	my $rmp = parse_random_map_params $exit->msg;
1623		2409
1624	if ($exit->map) {	2410	if ($exit->map) {
1625	$rmp->{region} = $exit->map->region_name;	2411	$rmp->{region} = $exit->region->name;
1626	$rmp->{origin_map} = $exit->map->path;	2412	$rmp->{origin_map} = $exit->map->path;
1627	$rmp->{origin_x} = $exit->x;	2413	$rmp->{origin_x} = $exit->x;
1628	$rmp->{origin_y} = $exit->y;	2414	$rmp->{origin_y} = $exit->y;
1629	}	2415	}
1630		2416
1631	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1632		2418
1633	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1634	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
		2421	my $meta = "$RANDOMDIR/$md5.meta";
1635		2422
1636	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1637	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
		2425	undef $fh;
		2426	aio_rename "$meta~", $meta;
1638		2427
1639	$exit->slaying ("?random/$md5");	2428	$exit->slaying ("?random/$md5");
1640	$exit->msg (undef);	2429	$exit->msg (undef);
1641	}	2430	}
1642	}	2431	}
…		…
1644	sub cf::object::player::enter_exit {	2433	sub cf::object::player::enter_exit {
1645	my ($self, $exit) = @_;	2434	my ($self, $exit) = @_;
1646		2435
1647	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1648		2437
		2438	if ($exit->slaying eq "/!") {
		2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2440	# the problem is that $exit might not survive long enough
		2441	# so it needs to be done right now, right here
		2442	cf::sync_job { prepare_random_map $exit };
		2443	}
		2444
		2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2446	my $hp = $exit->stats->hp;
		2447	my $sp = $exit->stats->sp;
		2448
1649	$self->enter_link;	2449	$self->enter_link;
1650		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
		2454
1651	(cf::async {	2455	(async {
1652	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1653	unless (eval {	2457	unless (eval {
1654	prepare_random_map $exit	2458	$self->goto ($slaying, $hp, $sp);
1655	if $exit->slaying eq "/!";
1656
1657	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1658	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1659		2459
1660	1;	2460	1;
1661	}) {	2461	}) {
1662	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1663	. "I'll try to bring you back to the map you were before. "	2463	. "I'll try to bring you back to the map you were before. "
1664	. "Please report this to the dungeon master",	2464	. "Please report this to the dungeon master!",
1665	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1666		2466
1667	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1668	$self->leave_link;	2468	$self->leave_link;
1669	}	2469	}
1670	})->prio (1);	2470	})->prio (1);
…		…
1683		2483
1684	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1685	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1686		2486
1687	utf8::encode $text;	2487	utf8::encode $text;
1688	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1689	}	2489	}
1690		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_msg (channel_info => $channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	# default colour, mask it out
		2521	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2522	if $color & cf::NDI_DEF;
		2523
		2524	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2525	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2526	} else {
		2527	if ($color >= 0) {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	$color &= cf::NDI_COLOR_MASK;
		2539
		2540	utf8::encode $msg;
		2541
		2542	if (0 && $msg =~ /\[/) {
		2543	# COMMAND/INFO
		2544	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2545	} else {
		2546	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2547	$self->send_packet ("drawinfo $color $msg")
		2548	}
		2549	}
		2550	}
		2551	}
		2552
		2553	=item $client->ext_msg ($type, @msg)
		2554
		2555	Sends an ext event to the client.
		2556
		2557	=cut
		2558
		2559	sub cf::client::ext_msg($$@) {
		2560	my ($self, $type, @msg) = @_;
		2561
		2562	my $extcmd = $self->extcmd;
		2563
		2564	if ($extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($extcmd == 1) { # TODO: remove
		2567	push @msg, msgtype => "event_$type";
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
1691		2571
1692	=item $success = $client->query ($flags, "text", \&cb)	2572	=item $success = $client->query ($flags, "text", \&cb)
1693		2573
1694	Queues a query to the client, calling the given callback with	2574	Queues a query to the client, calling the given callback with
1695	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2575	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1696	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2576	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1697		2577
1698	Queries can fail, so check the return code. Or don't, as queries will become	2578	Queries can fail, so check the return code. Or don't, as queries will
1699	reliable at some point in the future.	2579	become reliable at some point in the future.
1700		2580
1701	=cut	2581	=cut
1702		2582
1703	sub cf::client::query {	2583	sub cf::client::query {
1704	my ($self, $flags, $text, $cb) = @_;	2584	my ($self, $flags, $text, $cb) = @_;
…		…
1712	utf8::encode $text;	2592	utf8::encode $text;
1713	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2593	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1714		2594
1715	$self->send_packet ($self->{query_queue}[0][0])	2595	$self->send_packet ($self->{query_queue}[0][0])
1716	if @{ $self->{query_queue} } == 1;	2596	if @{ $self->{query_queue} } == 1;
		2597
		2598	1
1717	}	2599	}
1718		2600
1719	cf::client->attach (	2601	cf::client->attach (
		2602	on_connect => sub {
		2603	my ($ns) = @_;
		2604
		2605	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2606	},
1720	on_reply => sub {	2607	on_reply => sub {
1721	my ($ns, $msg) = @_;	2608	my ($ns, $msg) = @_;
1722		2609
1723	# this weird shuffling is so that direct followup queries	2610	# this weird shuffling is so that direct followup queries
1724	# get handled first	2611	# get handled first
1725	my $queue = delete $ns->{query_queue}	2612	my $queue = delete $ns->{query_queue}
1726	or return; # be conservative, not sure how that can happen, but we saw a crash here	2613	or return; # be conservative, not sure how that can happen, but we saw a crash here
1727		2614
1728	(shift @$queue)->[1]->($msg);	2615	(shift @$queue)->[1]->($msg);
		2616	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1729		2617
1730	push @{ $ns->{query_queue} }, @$queue;	2618	push @{ $ns->{query_queue} }, @$queue;
1731		2619
1732	if (@{ $ns->{query_queue} } == @$queue) {	2620	if (@{ $ns->{query_queue} } == @$queue) {
1733	if (@$queue) {	2621	if (@$queue) {
…		…
1735	} else {	2623	} else {
1736	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2624	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1737	}	2625	}
1738	}	2626	}
1739	},	2627	},
		2628	on_exticmd => sub {
		2629	my ($ns, $buf) = @_;
		2630
		2631	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2632
		2633	if (ref $msg) {
		2634	my ($type, $reply, @payload) =
		2635	"ARRAY" eq ref $msg
		2636	? @$msg
		2637	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2638
		2639	if (my $cb = $EXTICMD{$type}) {
		2640	my @reply = $cb->($ns, @payload);
		2641
		2642	$ns->ext_reply ($reply, @reply)
		2643	if $reply;
		2644	}
		2645	} else {
		2646	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2647	}
		2648
		2649	cf::override;
		2650	},
1740	);	2651	);
1741		2652
1742	=item $client->coro (\&cb)	2653	=item $client->async (\&cb)
1743		2654
1744	Create a new coroutine, running the specified callback. The coroutine will	2655	Create a new coroutine, running the specified callback. The coroutine will
1745	be automatically cancelled when the client gets destroyed (e.g. on logout,	2656	be automatically cancelled when the client gets destroyed (e.g. on logout,
1746	or loss of connection).	2657	or loss of connection).
1747		2658
1748	=cut	2659	=cut
1749		2660
1750	sub cf::client::coro {	2661	sub cf::client::async {
1751	my ($self, $cb) = @_;	2662	my ($self, $cb) = @_;
1752		2663
1753	my $coro = &cf::async ($cb);	2664	my $coro = &Coro::async ($cb);
1754		2665
1755	$coro->on_destroy (sub {	2666	$coro->on_destroy (sub {
1756	delete $self->{_coro}{$coro+0};	2667	delete $self->{_coro}{$coro+0};
1757	});	2668	});
1758		2669
…		…
1785	our $safe = new Safe "safe";	2696	our $safe = new Safe "safe";
1786	our $safe_hole = new Safe::Hole;	2697	our $safe_hole = new Safe::Hole;
1787		2698
1788	$SIG{FPE} = 'IGNORE';	2699	$SIG{FPE} = 'IGNORE';
1789		2700
1790	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2701	$safe->permit_only (Opcode::opset qw(
		2702	:base_core :base_mem :base_orig :base_math
		2703	grepstart grepwhile mapstart mapwhile
		2704	sort time
		2705	));
1791		2706
1792	# here we export the classes and methods available to script code	2707	# here we export the classes and methods available to script code
1793		2708
1794	=pod	2709	=pod
1795		2710
1796	The following fucntions and emthods are available within a safe environment:	2711	The following functions and methods are available within a safe environment:
1797		2712
1798	cf::object contr pay_amount pay_player map	2713	cf::object
		2714	contr pay_amount pay_player map x y force_find force_add
		2715	insert remove name archname title slaying race
		2716
1799	cf::object::player player	2717	cf::object::player
1800	cf::player peaceful	2718	player
1801	cf::map trigger	2719
		2720	cf::player
		2721	peaceful
		2722
		2723	cf::map
		2724	trigger
1802		2725
1803	=cut	2726	=cut
1804		2727
1805	for (	2728	for (
1806	["cf::object" => qw(contr pay_amount pay_player map)],	2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2730	insert remove inv name archname title slaying race)],
1807	["cf::object::player" => qw(player)],	2731	["cf::object::player" => qw(player)],
1808	["cf::player" => qw(peaceful)],	2732	["cf::player" => qw(peaceful)],
1809	["cf::map" => qw(trigger)],	2733	["cf::map" => qw(trigger)],
1810	) {	2734	) {
1811	no strict 'refs';	2735	no strict 'refs';
…		…
1882	=back	2806	=back
1883		2807
1884	=cut	2808	=cut
1885		2809
1886	#############################################################################	2810	#############################################################################
		2811	# the server's init and main functions
1887		2812
1888	=head2 EXTENSION DATABASE SUPPORT	2813	sub load_facedata($) {
		2814	my ($path) = @_;
1889		2815
1890	Crossfire maintains a very simple database for extension use. It can	2816	my $enc = JSON::XS->new->utf8->canonical;
1891	currently store anything that can be serialised using Storable, which
1892	excludes objects.
1893		2817
1894	The parameter C<$family> should best start with the name of the extension	2818	warn "loading facedata from $path\n";
1895	using it, it should be unique.
1896		2819
1897	=over 4	2820	my $facedata;
		2821	0 < aio_load $path, $facedata
		2822	or die "$path: $!";
1898		2823
1899	=item $hashref = cf::db_get $family	2824	$facedata = Coro::Storable::thaw $facedata;
1900		2825
1901	Return a hashref for use by the extension C<$family>, which can be	2826	$facedata->{version} == 2
1902	modified. After modifications, you have to call C<cf::db_dirty> or	2827	or cf::cleanup "$path: version mismatch, cannot proceed.";
1903	C<cf::db_sync>.
1904		2828
1905	=item $value = cf::db_get $family => $key	2829	# patch in the exptable
1906		2830	$facedata->{resource}{"res/exp_table"} = {
1907	Returns a single value from the database	2831	type => FT_RSRC,
1908		2832	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),
1909	=item cf::db_put $family => $hashref
1910
1911	Stores the given family hashref into the database. Updates are delayed, if
1912	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1913
1914	=item cf::db_put $family => $key => $value
1915
1916	Stores the given C<$value> in the family hash. Updates are delayed, if you
1917	want the data to be synced to disk immediately, use C<cf::db_sync>.
1918
1919	=item cf::db_dirty
1920
1921	Marks the database as dirty, to be updated at a later time.
1922
1923	=item cf::db_sync
1924
1925	Immediately write the database to disk I<if it is dirty>.
1926
1927	=cut
1928
1929	our $DB;
1930
1931	{
1932	my $path = cf::localdir . "/database.pst";
1933
1934	sub db_load() {
1935	$DB = stat $path ? Storable::retrieve $path : { };
1936	}
1937
1938	my $pid;
1939
1940	sub db_save() {
1941	waitpid $pid, 0 if $pid;
1942	if (0 == ($pid = fork)) {
1943	$DB->{_meta}{version} = 1;
1944	Storable::nstore $DB, "$path~";
1945	rename "$path~", $path;
1946	cf::_exit 0 if defined $pid;
1947	}
1948	}
1949
1950	my $dirty;
1951
1952	sub db_sync() {
1953	db_save if $dirty;
1954	undef $dirty;
1955	}
1956
1957	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1958	db_sync;
1959	});	2833	};
		2834	cf::cede_to_tick;
1960		2835
1961	sub db_dirty() {
1962	$dirty = 1;
1963	$idle->start;
1964	}	2836	{
		2837	my $faces = $facedata->{faceinfo};
1965		2838
1966	sub db_get($;$) {	2839	while (my ($face, $info) = each %$faces) {
1967	@_ >= 2	2840	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1968	? $DB->{$_[0]}{$_[1]}	2841	cf::face::set_visibility $idx, $info->{visibility};
1969	: ($DB->{$_[0]} ||= { })	2842	cf::face::set_magicmap $idx, $info->{magicmap};
1970	}	2843	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2844	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1971		2845
1972	sub db_put($$;$) {	2846	cf::cede_to_tick;
1973	if (@_ >= 3) {
1974	$DB->{$_[0]}{$_[1]} = $_[2];
1975	} else {
1976	$DB->{$_[0]} = $_[1];
1977	}
1978	db_dirty;
1979	}
1980
1981	cf::global->attach (
1982	prio => 10000,
1983	on_cleanup => sub {
1984	db_sync;
1985	},	2847	}
1986	);
1987	}
1988		2848
1989	#############################################################################	2849	while (my ($face, $info) = each %$faces) {
1990	# the server's main()	2850	next unless $info->{smooth};
		2851	my $idx = cf::face::find $face
		2852	or next;
		2853	if (my $smooth = cf::face::find $info->{smooth}) {
		2854	cf::face::set_smooth $idx, $smooth;
		2855	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2856	} else {
		2857	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2858	}
		2859
		2860	cf::cede_to_tick;
		2861	}
		2862	}
		2863
		2864	{
		2865	my $anims = $facedata->{animinfo};
		2866
		2867	while (my ($anim, $info) = each %$anims) {
		2868	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2869	cf::cede_to_tick;
		2870	}
		2871
		2872	cf::anim::invalidate_all; # d'oh
		2873	}
		2874
		2875	{
		2876	# TODO: for gcfclient pleasure, we should give resources
		2877	# that gcfclient doesn't grok a >10000 face index.
		2878	my $res = $facedata->{resource};
		2879
		2880	my $soundconf = delete $res->{"res/sound.conf"};
		2881
		2882	while (my ($name, $info) = each %$res) {
		2883	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2884	my $data;
		2885
		2886	if ($info->{type} & 1) {
		2887	# prepend meta info
		2888
		2889	my $meta = $enc->encode ({
		2890	name => $name,
		2891	%{ $info->{meta} || {} },
		2892	});
		2893
		2894	$data = pack "(w/a*)*", $meta, $info->{data};
		2895	}
		2896
		2897	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2898	cf::face::set_type $idx, $info->{type};
		2899
		2900	cf::cede_to_tick;
		2901	}
		2902
		2903	if ($soundconf) {
		2904	$soundconf = $enc->decode (delete $soundconf->{data});
		2905
		2906	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2907	my $sound = $soundconf->{compat}[$_]
		2908	or next;
		2909
		2910	my $face = cf::face::find "sound/$sound->[1]";
		2911	cf::sound::set $sound->[0] => $face;
		2912	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2913	}
		2914
		2915	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2916	my $face = cf::face::find "sound/$v";
		2917	cf::sound::set $k => $face;
		2918	}
		2919	}
		2920	}
		2921
		2922	1
		2923	}
		2924
		2925	register_exticmd fx_want => sub {
		2926	my ($ns, $want) = @_;
		2927
		2928	while (my ($k, $v) = each %$want) {
		2929	$ns->fx_want ($k, $v);
		2930	}
		2931	};
		2932
		2933	sub reload_regions {
		2934	load_resource_file "$MAPDIR/regions"
		2935	or die "unable to load regions file\n";
		2936
		2937	for (cf::region::list) {
		2938	$_->{match} = qr/$_->{match}/
		2939	if exists $_->{match};
		2940	}
		2941	}
		2942
		2943	sub reload_facedata {
		2944	load_facedata "$DATADIR/facedata"
		2945	or die "unable to load facedata\n";
		2946	}
		2947
		2948	sub reload_archetypes {
		2949	load_resource_file "$DATADIR/archetypes"
		2950	or die "unable to load archetypes\n";
		2951	#d# NEED to laod twice to resolve forward references
		2952	# this really needs to be done in an extra post-pass
		2953	# (which needs to be synchronous, so solve it differently)
		2954	load_resource_file "$DATADIR/archetypes"
		2955	or die "unable to load archetypes\n";
		2956	}
		2957
		2958	sub reload_treasures {
		2959	load_resource_file "$DATADIR/treasures"
		2960	or die "unable to load treasurelists\n";
		2961	}
		2962
		2963	sub reload_resources {
		2964	warn "reloading resource files...\n";
		2965
		2966	reload_regions;
		2967	reload_facedata;
		2968	#reload_archetypes;#d#
		2969	reload_archetypes;
		2970	reload_treasures;
		2971
		2972	warn "finished reloading resource files\n";
		2973	}
		2974
		2975	sub init {
		2976	reload_resources;
		2977	}
1991		2978
1992	sub cfg_load {	2979	sub cfg_load {
1993	open my $fh, "<:utf8", cf::confdir . "/config"	2980	open my $fh, "<:utf8", "$CONFDIR/config"
1994	or return;	2981	or return;
1995		2982
1996	local $/;	2983	local $/;
1997	*CFG = YAML::Syck::Load <$fh>;	2984	*CFG = YAML::Syck::Load <$fh>;
1998		2985
1999	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	2986	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2000		2987
		2988	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2989	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2990
2001	if (exists $CFG{mlockall}) {	2991	if (exists $CFG{mlockall}) {
2002	eval {	2992	eval {
2003	$CFG{mlockall} ? &mlockall : &munlockall	2993	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2004	and die "WARNING: m(un)lockall failed: $!\n";	2994	and die "WARNING: m(un)lockall failed: $!\n";
2005	};	2995	};
2006	warn $@ if $@;	2996	warn $@ if $@;
2007	}	2997	}
2008	}	2998	}
2009		2999
2010	sub main {	3000	sub main {
2011	# we must not ever block the main coroutine	3001	# we must not ever block the main coroutine
2012	local $Coro::idle = sub {	3002	local $Coro::idle = sub {
2013	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3003	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2014	(Coro::unblock_sub {	3004	(async {
2015	Event::one_event;	3005	Event::one_event;
2016	})->();	3006	})->prio (Coro::PRIO_MAX);
2017	};	3007	};
2018		3008
2019	cfg_load;	3009	cfg_load;
2020	db_load;	3010	db_init;
2021	load_extensions;	3011	load_extensions;
		3012
		3013	$TICK_WATCHER->start;
2022	Event::loop;	3014	Event::loop;
2023	}	3015	}
2024		3016
2025	#############################################################################	3017	#############################################################################
2026	# initialisation	3018	# initialisation and cleanup
2027		3019
		3020	# install some emergency cleanup handlers
		3021	BEGIN {
		3022	for my $signal (qw(INT HUP TERM)) {
		3023	Event->signal (
		3024	reentrant => 0,
		3025	data => WF_AUTOCANCEL,
		3026	signal => $signal,
		3027	prio => 0,
		3028	cb => sub {
		3029	cf::cleanup "SIG$signal";
		3030	},
		3031	);
		3032	}
		3033	}
		3034
		3035	sub write_runtime {
		3036	my $runtime = "$LOCALDIR/runtime";
		3037
		3038	# first touch the runtime file to show we are still running:
		3039	# the fsync below can take a very very long time.
		3040
		3041	IO::AIO::aio_utime $runtime, undef, undef;
		3042
		3043	my $guard = cf::lock_acquire "write_runtime";
		3044
		3045	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3046	or return;
		3047
		3048	my $value = $cf::RUNTIME + 90 + 10;
		3049	# 10 is the runtime save interval, for a monotonic clock
		3050	# 60 allows for the watchdog to kill the server.
		3051
		3052	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3053	and return;
		3054
		3055	# always fsync - this file is important
		3056	aio_fsync $fh
		3057	and return;
		3058
		3059	# touch it again to show we are up-to-date
		3060	aio_utime $fh, undef, undef;
		3061
		3062	close $fh
		3063	or return;
		3064
		3065	aio_rename "$runtime~", $runtime
		3066	and return;
		3067
		3068	warn "runtime file written.\n";
		3069
		3070	1
		3071	}
		3072
		3073	sub emergency_save() {
		3074	my $freeze_guard = cf::freeze_mainloop;
		3075
		3076	warn "enter emergency perl save\n";
		3077
		3078	cf::sync_job {
		3079	# use a peculiar iteration method to avoid tripping on perl
		3080	# refcount bugs in for. also avoids problems with players
		3081	# and maps saved/destroyed asynchronously.
		3082	warn "begin emergency player save\n";
		3083	for my $login (keys %cf::PLAYER) {
		3084	my $pl = $cf::PLAYER{$login} or next;
		3085	$pl->valid or next;
		3086	$pl->save;
		3087	}
		3088	warn "end emergency player save\n";
		3089
		3090	warn "begin emergency map save\n";
		3091	for my $path (keys %cf::MAP) {
		3092	my $map = $cf::MAP{$path} or next;
		3093	$map->valid or next;
		3094	$map->save;
		3095	}
		3096	warn "end emergency map save\n";
		3097
		3098	warn "begin emergency database checkpoint\n";
		3099	BDB::db_env_txn_checkpoint $DB_ENV;
		3100	warn "end emergency database checkpoint\n";
		3101	};
		3102
		3103	warn "leave emergency perl save\n";
		3104	}
		3105
		3106	sub post_cleanup {
		3107	my ($make_core) = @_;
		3108
		3109	warn Carp::longmess "post_cleanup backtrace"
		3110	if $make_core;
		3111	}
		3112
2028	sub reload() {	3113	sub do_reload_perl() {
2029	# can/must only be called in main	3114	# can/must only be called in main
2030	if ($Coro::current != $Coro::main) {	3115	if ($Coro::current != $Coro::main) {
2031	warn "can only reload from main coroutine\n";	3116	warn "can only reload from main coroutine";
2032	return;	3117	return;
2033	}	3118	}
2034		3119
2035	warn "reloading...";	3120	warn "reloading...";
2036		3121
2037	my $guard = freeze_mainloop;	3122	warn "entering sync_job";
		3123
		3124	cf::sync_job {
		3125	cf::write_runtime; # external watchdog should not bark
2038	cf::emergency_save;	3126	cf::emergency_save;
		3127	cf::write_runtime; # external watchdog should not bark
2039		3128
2040	eval {	3129	warn "syncing database to disk";
		3130	BDB::db_env_txn_checkpoint $DB_ENV;
		3131
2041	# if anything goes wrong in here, we should simply crash as we already saved	3132	# if anything goes wrong in here, we should simply crash as we already saved
2042		3133
2043	# cancel all watchers	3134	warn "cancelling all WF_AUTOCANCEL watchers";
2044	for (Event::all_watchers) {	3135	for (Event::all_watchers) {
2045	$_->cancel if $_->data & WF_AUTOCANCEL;	3136	$_->cancel if $_->data & WF_AUTOCANCEL;
2046	}	3137	}
2047		3138
		3139	warn "flushing outstanding aio requests";
		3140	for (;;) {
		3141	BDB::flush;
		3142	IO::AIO::flush;
		3143	Coro::cede;
		3144	last unless IO::AIO::nreqs || BDB::nreqs;
		3145	warn "iterate...";
		3146	}
		3147
		3148	++$RELOAD;
		3149
2048	# cancel all extension coros	3150	warn "cancelling all extension coros";
2049	$_->cancel for values %EXT_CORO;	3151	$_->cancel for values %EXT_CORO;
2050	%EXT_CORO = ();	3152	%EXT_CORO = ();
2051		3153
2052	# unload all extensions	3154	warn "removing commands";
2053	for (@exts) {	3155	%COMMAND = ();
		3156
		3157	warn "removing ext/exti commands";
		3158	%EXTCMD = ();
		3159	%EXTICMD = ();
		3160
		3161	warn "unloading/nuking all extensions";
		3162	for my $pkg (@EXTS) {
2054	warn "unloading <$_>";	3163	warn "... unloading $pkg";
2055	unload_extension $_;	3164
		3165	if (my $cb = $pkg->can ("unload")) {
		3166	eval {
		3167	$cb->($pkg);
		3168	1
		3169	} or warn "$pkg unloaded, but with errors: $@";
2056	}	3170	}
2057		3171
		3172	warn "... nuking $pkg";
		3173	Symbol::delete_package $pkg;
		3174	}
		3175
2058	# unload all modules loaded from $LIBDIR	3176	warn "unloading all perl modules loaded from $LIBDIR";
2059	while (my ($k, $v) = each %INC) {	3177	while (my ($k, $v) = each %INC) {
2060	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3178	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2061		3179
2062	warn "removing <$k>";	3180	warn "... unloading $k";
2063	delete $INC{$k};	3181	delete $INC{$k};
2064		3182
2065	$k =~ s/\.pm$//;	3183	$k =~ s/\.pm$//;
2066	$k =~ s/\//::/g;	3184	$k =~ s/\//::/g;
2067		3185
…		…
2070	}	3188	}
2071		3189
2072	Symbol::delete_package $k;	3190	Symbol::delete_package $k;
2073	}	3191	}
2074		3192
2075	# sync database to disk
2076	cf::db_sync;
2077	IO::AIO::flush;
2078
2079	# get rid of safe::, as good as possible	3193	warn "getting rid of safe::, as good as possible";
2080	Symbol::delete_package "safe::$_"	3194	Symbol::delete_package "safe::$_"
2081	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3195	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2082		3196
2083	# remove register_script_function callbacks
2084	# TODO
2085
2086	# unload cf.pm "a bit"	3197	warn "unloading cf.pm \"a bit\"";
2087	delete $INC{"cf.pm"};	3198	delete $INC{"cf.pm"};
		3199	delete $INC{"cf/pod.pm"};
2088		3200
2089	# don't, removes xs symbols, too,	3201	# don't, removes xs symbols, too,
2090	# and global variables created in xs	3202	# and global variables created in xs
2091	#Symbol::delete_package __PACKAGE__;	3203	#Symbol::delete_package __PACKAGE__;
2092		3204
2093	# reload cf.pm	3205	warn "unload completed, starting to reload now";
		3206
2094	warn "reloading cf.pm";	3207	warn "reloading cf.pm";
2095	require cf;	3208	require cf;
2096	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3209	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2097		3210
2098	# load config and database again	3211	warn "loading config and database again";
2099	cf::cfg_load;	3212	cf::cfg_load;
2100	cf::db_load;
2101		3213
2102	# load extensions
2103	warn "load extensions";	3214	warn "loading extensions";
2104	cf::load_extensions;	3215	cf::load_extensions;
2105		3216
2106	# reattach attachments to objects	3217	warn "reattaching attachments to objects/players";
2107	warn "reattach";	3218	_global_reattach; # objects, sockets
2108	_global_reattach;	3219	warn "reattaching attachments to maps";
2109	};	3220	reattach $_ for values %MAP;
		3221	warn "reattaching attachments to players";
		3222	reattach $_ for values %PLAYER;
2110		3223
2111	if ($@) {	3224	warn "leaving sync_job";
		3225
		3226	1
		3227	} or do {
2112	warn $@;	3228	warn $@;
2113	warn "error while reloading, exiting.";	3229	warn "error while reloading, exiting.";
2114	exit 1;	3230	exit 1;
2115	}	3231	};
2116		3232
2117	warn "reloaded successfully";	3233	warn "reloaded";
2118	};	3234	};
2119		3235
2120	#############################################################################	3236	our $RELOAD_WATCHER; # used only during reload
2121		3237
2122	unless ($LINK_MAP) {	3238	sub reload_perl() {
2123	$LINK_MAP = cf::map::new;	3239	# doing reload synchronously and two reloads happen back-to-back,
		3240	# coro crashes during coro_state_free->destroy here.
2124		3241
2125	$LINK_MAP->width (41);	3242	$RELOAD_WATCHER ||= Event->timer (
2126	$LINK_MAP->height (41);	3243	reentrant => 0,
2127	$LINK_MAP->alloc;
2128	$LINK_MAP->path ("{link}");
2129	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2130	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2131
2132	# dirty hack because... archetypes are not yet loaded
2133	Event->timer (
2134	after => 2,	3244	after => 0,
		3245	data => WF_AUTOCANCEL,
2135	cb => sub {	3246	cb => sub {
2136	$_[0]->w->cancel;	3247	do_reload_perl;
2137		3248	undef $RELOAD_WATCHER;
2138	# provide some exits "home"
2139	my $exit = cf::object::new "exit";
2140
2141	$exit->slaying ($EMERGENCY_POSITION->[0]);
2142	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2143	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2144
2145	$LINK_MAP->insert ($exit->clone, 19, 19);
2146	$LINK_MAP->insert ($exit->clone, 19, 20);
2147	$LINK_MAP->insert ($exit->clone, 19, 21);
2148	$LINK_MAP->insert ($exit->clone, 20, 19);
2149	$LINK_MAP->insert ($exit->clone, 20, 21);
2150	$LINK_MAP->insert ($exit->clone, 21, 19);
2151	$LINK_MAP->insert ($exit->clone, 21, 20);
2152	$LINK_MAP->insert ($exit->clone, 21, 21);
2153
2154	$exit->destroy;
2155	});	3249	},
2156		3250	);
2157	$LINK_MAP->{deny_save} = 1;
2158	$LINK_MAP->{deny_reset} = 1;
2159
2160	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2161	}	3251	}
2162
2163	register "<global>", __PACKAGE__;
2164		3252
2165	register_command "reload" => sub {	3253	register_command "reload" => sub {
2166	my ($who, $arg) = @_;	3254	my ($who, $arg) = @_;
2167		3255
2168	if ($who->flag (FLAG_WIZ)) {	3256	if ($who->flag (FLAG_WIZ)) {
2169	$who->message ("start of reload.");
2170	reload;
2171	$who->message ("end of reload.");	3257	$who->message ("reloading server.");
		3258	async { reload_perl };
2172	}	3259	}
2173	};	3260	};
2174		3261
2175	unshift @INC, $LIBDIR;	3262	unshift @INC, $LIBDIR;
2176		3263
		3264	my $bug_warning = 0;
		3265
		3266	our @WAIT_FOR_TICK;
		3267	our @WAIT_FOR_TICK_BEGIN;
		3268
		3269	sub wait_for_tick {
		3270	return unless $TICK_WATCHER->is_active;
		3271	return if $Coro::current == $Coro::main;
		3272
		3273	my $signal = new Coro::Signal;
		3274	push @WAIT_FOR_TICK, $signal;
		3275	$signal->wait;
		3276	}
		3277
		3278	sub wait_for_tick_begin {
		3279	return unless $TICK_WATCHER->is_active;
		3280	return if $Coro::current == $Coro::main;
		3281
		3282	my $signal = new Coro::Signal;
		3283	push @WAIT_FOR_TICK_BEGIN, $signal;
		3284	$signal->wait;
		3285	}
		3286
		3287	my $min = 1e6;#d#
		3288	my $avg = 10;
2177	$TICK_WATCHER = Event->timer (	3289	$TICK_WATCHER = Event->timer (
2178	reentrant => 0,	3290	reentrant => 0,
		3291	parked => 1,
2179	prio => 0,	3292	prio => 0,
2180	at => $NEXT_TICK || $TICK,	3293	at => $NEXT_TICK || $TICK,
2181	data => WF_AUTOCANCEL,	3294	data => WF_AUTOCANCEL,
2182	cb => sub {	3295	cb => sub {
		3296	if ($Coro::current != $Coro::main) {
		3297	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3298	unless ++$bug_warning > 10;
		3299	return;
		3300	}
		3301
		3302	$NOW = $tick_start = Event::time;
		3303
2183	cf::server_tick; # one server iteration	3304	cf::server_tick; # one server iteration
		3305
		3306	0 && sync_job {#d#
		3307	for(1..10) {
		3308	my $t = Event::time;
		3309	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3310	or die;
		3311
		3312	$map->width (50);
		3313	$map->height (50);
		3314	$map->alloc;
		3315	$map->_load_objects ("/tmp/x.map", 1);
		3316	my $t = Event::time - $t;
		3317
		3318	#next unless $t < 0.0013;#d#
		3319	if ($t < $min) {
		3320	$min = $t;
		3321	}
		3322	$avg = $avg * 0.99 + $t * 0.01;
		3323	}
		3324	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3325	exit 0;
		3326	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3327	};
		3328
2184	$RUNTIME += $TICK;	3329	$RUNTIME += $TICK;
2185	$NEXT_TICK += $TICK;	3330	$NEXT_TICK += $TICK;
2186		3331
		3332	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3333	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3334	Coro::async_pool {
		3335	write_runtime
		3336	or warn "ERROR: unable to write runtime file: $!";
		3337	};
		3338	}
		3339
		3340	# my $AFTER = Event::time;
		3341	# warn $AFTER - $NOW;#d#
		3342
		3343	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3344	$sig->send;
		3345	}
		3346	while (my $sig = shift @WAIT_FOR_TICK) {
		3347	$sig->send;
		3348	}
		3349
		3350	$NOW = Event::time;
		3351
2187	# if we are delayed by four ticks or more, skip them all	3352	# if we are delayed by four ticks or more, skip them all
2188	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3353	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2189		3354
2190	$TICK_WATCHER->at ($NEXT_TICK);	3355	$TICK_WATCHER->at ($NEXT_TICK);
2191	$TICK_WATCHER->start;	3356	$TICK_WATCHER->start;
		3357
		3358	$LOAD = ($NOW - $tick_start) / $TICK;
		3359	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3360
		3361	_post_tick;
		3362
		3363
2192	},	3364	},
2193	);	3365	);
2194		3366
		3367	{
2195	IO::AIO::max_poll_time $TICK * 0.2;	3368	BDB::max_poll_time $TICK * 0.1;
2196		3369	$BDB_POLL_WATCHER = Event->io (
2197	Event->io (	3370	reentrant => 0,
2198	fd => IO::AIO::poll_fileno,	3371	fd => BDB::poll_fileno,
2199	poll => 'r',	3372	poll => 'r',
2200	prio => 5,	3373	prio => 0,
2201	data => WF_AUTOCANCEL,
2202	cb => \&IO::AIO::poll_cb,
2203	);
2204
2205	Event->timer (
2206	data => WF_AUTOCANCEL,	3374	data => WF_AUTOCANCEL,
2207	after => 0,	3375	cb => \&BDB::poll_cb,
2208	interval => 10,	3376	);
2209	cb => sub {	3377	BDB::min_parallel 8;
2210	(Coro::unblock_sub {	3378
2211	write_runtime	3379	BDB::set_sync_prepare {
2212	or warn "ERROR: unable to write runtime file: $!";	3380	my $status;
		3381	my $current = $Coro::current;
		3382	(
		3383	sub {
		3384	$status = $!;
		3385	$current->ready; undef $current;
		3386	},
		3387	sub {
		3388	Coro::schedule while defined $current;
		3389	$! = $status;
		3390	},
		3391	)
		3392	};
		3393
		3394	unless ($DB_ENV) {
		3395	$DB_ENV = BDB::db_env_create;
		3396
		3397	cf::sync_job {
		3398	eval {
		3399	BDB::db_env_open
		3400	$DB_ENV,
		3401	$BDBDIR,
		3402	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3403	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3404	0666;
		3405
		3406	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3407
		3408	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3409	$DB_ENV->set_lk_detect;
		3410	};
		3411
		3412	cf::cleanup "db_env_open(db): $@" if $@;
2213	})->();	3413	};
2214	},	3414	}
2215	);	3415	}
		3416
		3417	{
		3418	IO::AIO::min_parallel 8;
		3419
		3420	undef $Coro::AIO::WATCHER;
		3421	IO::AIO::max_poll_time $TICK * 0.1;
		3422	$AIO_POLL_WATCHER = Event->io (
		3423	reentrant => 0,
		3424	data => WF_AUTOCANCEL,
		3425	fd => IO::AIO::poll_fileno,
		3426	poll => 'r',
		3427	prio => 6,
		3428	cb => \&IO::AIO::poll_cb,
		3429	);
		3430	}
		3431
		3432	my $_log_backtrace;
		3433
		3434	sub _log_backtrace {
		3435	my ($msg, @addr) = @_;
		3436
		3437	$msg =~ s/\n//;
		3438
		3439	# limit the # of concurrent backtraces
		3440	if ($_log_backtrace < 2) {
		3441	++$_log_backtrace;
		3442	async {
		3443	my @bt = fork_call {
		3444	@addr = map { sprintf "%x", $_ } @addr;
		3445	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3446	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3447	or die "addr2line: $!";
		3448
		3449	my @funcs;
		3450	my @res = <$fh>;
		3451	chomp for @res;
		3452	while (@res) {
		3453	my ($func, $line) = splice @res, 0, 2, ();
		3454	push @funcs, "[$func] $line";
		3455	}
		3456
		3457	@funcs
		3458	};
		3459
		3460	LOG llevInfo, "[ABT] $msg\n";
		3461	LOG llevInfo, "[ABT] $_\n" for @bt;
		3462	--$_log_backtrace;
		3463	};
		3464	} else {
		3465	LOG llevInfo, "[ABT] $msg\n";
		3466	LOG llevInfo, "[ABT] [suppressed]\n";
		3467	}
		3468	}
		3469
		3470	# load additional modules
		3471	use cf::pod;
2216		3472
2217	END { cf::emergency_save }	3473	END { cf::emergency_save }
2218		3474
2219	1	3475	1
2220		3476

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