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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.135 by root, Thu Jan 4 20:29:46 2007 UTC vs.
Revision 1.345 by root, Tue Aug 28 19:30:11 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
		28	use Data::Dumper;
20	use Digest::MD5;	29	use Digest::MD5;
21	use Fcntl;	30	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.32 ();
24	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
25		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
27		44
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
30		47
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		49
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		51
35	our %COMMAND = ();	52	our %COMMAND = ();
36	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
38		60
		61	our $RELOAD; # number of reloads so far
39	our @EVENT;	62	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		63
42	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
43	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	80	our $NEXT_TICK;
45	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
46		86
47	our %CFG;	87	our %CFG;
48		88
49	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	90	our $RUNTIME;
51		91
		92	our %PLAYER; # all users
52	our %MAP; # all maps	93	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
54	our $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
		1154	my @reply;
		1155
942	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
943	if (my %reply = $cb->[0]->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
944	$pl->ext_reply ($msg->{msgid}, %reply);
945	}
946	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
947	} else {	1163	} else {
948	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
949	}	1165	}
950		1166
951	cf::override;	1167	cf::override;
952	},	1168	},
953	);	1169	);
954		1170
955	sub register {
956	my ($base, $pkg) = @_;
957
958	#TODO
959	}
960
961	sub load_extension {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
		1175	for my $path (<$LIBDIR/*.ext>) {
		1176	next unless -r $path;
		1177
		1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
		1235	}
		1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
		1241	};
		1242	}
		1243
		1244	#############################################################################
		1245
		1246	=back
		1247
		1248	=head2 CORE EXTENSIONS
		1249
		1250	Functions and methods that extend core crossfire objects.
		1251
		1252	=cut
		1253
		1254	package cf::player;
		1255
		1256	use Coro::AIO;
		1257
		1258	=head3 cf::player
		1259
		1260	=over 4
		1261
		1262	=item cf::player::find $login
		1263
		1264	Returns the given player object, loading it if necessary (might block).
		1265
		1266	=cut
		1267
		1268	sub playerdir($) {
		1269	"$PLAYERDIR/"
		1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1271	}
		1272
		1273	sub path($) {
		1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1275
		1276	(playerdir $login) . "/playerdata"
		1277	}
		1278
		1279	sub find_active($) {
		1280	$cf::PLAYER{$_[0]}
		1281	and $cf::PLAYER{$_[0]}->active
		1282	and $cf::PLAYER{$_[0]}
		1283	}
		1284
		1285	sub exists($) {
		1286	my ($login) = @_;
		1287
		1288	$cf::PLAYER{$login}
		1289	or cf::sync_job { !aio_stat path $login }
		1290	}
		1291
		1292	sub find($) {
		1293	return $cf::PLAYER{$_[0]} || do {
		1294	my $login = $_[0];
		1295
		1296	my $guard = cf::lock_acquire "user_find:$login";
		1297
		1298	$cf::PLAYER{$_[0]} || do {
		1299	# rename old playerfiles to new ones
		1300	#TODO: remove when no longer required
		1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1304	aio_unlink +(playerdir $login) . "/$login.pl";
		1305
		1306	my $pl = load_pl path $login
		1307	or return;
		1308	$cf::PLAYER{$login} = $pl
		1309	}
		1310	}
		1311	}
		1312
		1313	sub save($) {
		1314	my ($pl) = @_;
		1315
		1316	return if $pl->{deny_save};
		1317
		1318	my $path = path $pl;
		1319	my $guard = cf::lock_acquire "user_save:$path";
		1320
		1321	return if $pl->{deny_save};
		1322
		1323	aio_mkdir playerdir $pl, 0770;
		1324	$pl->{last_save} = $cf::RUNTIME;
		1325
		1326	$pl->save_pl ($path);
		1327	Coro::cede;
		1328	}
		1329
		1330	sub new($) {
		1331	my ($login) = @_;
		1332
		1333	my $self = create;
		1334
		1335	$self->ob->name ($login);
		1336	$self->{deny_save} = 1;
		1337
		1338	$cf::PLAYER{$login} = $self;
		1339
		1340	$self
		1341	}
		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
		1351	}
		1352
		1353	=item $pl->quit_character
		1354
		1355	Nukes the player without looking back. If logged in, the connection will
		1356	be destroyed. May block for a long time.
		1357
		1358	=cut
		1359
		1360	sub quit_character {
		1361	my ($pl) = @_;
		1362
		1363	my $name = $pl->ob->name;
		1364
		1365	$pl->{deny_save} = 1;
		1366	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1367
		1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1369	$pl->deactivate;
		1370	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1371	$pl->ns->destroy if $pl->ns;
		1372
		1373	my $path = playerdir $pl;
		1374	my $temp = "$path~$cf::RUNTIME~deleting~";
		1375	aio_rename $path, $temp;
		1376	delete $cf::PLAYER{$pl->ob->name};
		1377	$pl->destroy;
		1378
		1379	my $prefix = qr<^~\Q$name\E/>;
		1380
		1381	# nuke player maps
		1382	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1383
		1384	IO::AIO::aio_rmtree $temp;
		1385	}
		1386
		1387	=item $pl->kick
		1388
		1389	Kicks a player out of the game. This destroys the connection.
		1390
		1391	=cut
		1392
		1393	sub kick {
		1394	my ($pl, $kicker) = @_;
		1395
		1396	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1397	$pl->killer ("kicked");
		1398	$pl->ns->destroy;
		1399	}
		1400
		1401	=item cf::player::list_logins
		1402
		1403	Returns am arrayref of all valid playernames in the system, can take a
		1404	while and may block, so not sync_job-capable, ever.
		1405
		1406	=cut
		1407
		1408	sub list_logins {
		1409	my $dirs = aio_readdir $PLAYERDIR
		1410	or return [];
		1411
		1412	my @logins;
		1413
		1414	for my $login (@$dirs) {
		1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1416	aio_read $fh, 0, 512, my $buf, 0 or next;
		1417	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1418
		1419	utf8::decode $login;
		1420	push @logins, $login;
		1421	}
		1422
		1423	\@logins
		1424	}
		1425
		1426	=item $player->maps
		1427
		1428	Returns an arrayref of map paths that are private for this
		1429	player. May block.
		1430
		1431	=cut
		1432
		1433	sub maps($) {
		1434	my ($pl) = @_;
		1435
		1436	$pl = ref $pl ? $pl->ob->name : $pl;
		1437
		1438	my $files = aio_readdir playerdir $pl
		1439	or return;
		1440
		1441	my @paths;
		1442
		1443	for (@$files) {
		1444	utf8::decode $_;
		1445	next if /\.(?:pl|pst)$/;
		1446	next unless /^$PATH_SEP/o;
		1447
		1448	push @paths, cf::map::normalise "~$pl/$_";
		1449	}
		1450
		1451	\@paths
		1452	}
		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
		1504	=item $player->ext_reply ($msgid, @msg)
		1505
		1506	Sends an ext reply to the player.
		1507
		1508	=cut
		1509
		1510	sub ext_reply($$@) {
		1511	my ($self, $id, @msg) = @_;
		1512
		1513	$self->ns->ext_reply ($id, @msg)
		1514	}
		1515
		1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		1523	my ($self, $type, @msg) = @_;
		1524
		1525	$self->ns->ext_msg ($type, @msg);
		1526	}
		1527
		1528	=head3 cf::region
		1529
		1530	=over 4
		1531
		1532	=cut
		1533
		1534	package cf::region;
		1535
		1536	=item cf::region::find_by_path $path
		1537
		1538	Tries to decuce the likely region for a map knowing only its path.
		1539
		1540	=cut
		1541
		1542	sub find_by_path($) {
962	my ($path) = @_;	1543	my ($path) = @_;
963		1544
964	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1545	my ($match, $specificity);
965	my $base = $1;
966	my $pkg = $1;
967	$pkg =~ s/[^[:word:]]/_/g;
968	$pkg = "ext::$pkg";
969		1546
970	warn "loading '$path' into '$pkg'\n";	1547	for my $region (list) {
971		1548	if ($region->{match} && $path =~ $region->{match}) {
972	open my $fh, "<:utf8", $path	1549	($match, $specificity) = ($region, $region->specificity)
973	or die "$path: $!";	1550	if $region->specificity > $specificity;
974		1551	}
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	# }	1552	}
1004		1553
1005	# remove commands	1554	$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	}	1555	}
1111		1556
1112	=back	1557	=back
1113
1114		1558
1115	=head3 cf::map	1559	=head3 cf::map
1116		1560
1117	=over 4	1561	=over 4
1118		1562
…		…
1121	package cf::map;	1565	package cf::map;
1122		1566
1123	use Fcntl;	1567	use Fcntl;
1124	use Coro::AIO;	1568	use Coro::AIO;
1125		1569
		1570	use overload
		1571	'""' => \&as_string,
		1572	fallback => 1;
		1573
1126	our $MAX_RESET = 3600;	1574	our $MAX_RESET = 3600;
1127	our $DEFAULT_RESET = 3000;	1575	our $DEFAULT_RESET = 3000;
1128		1576
1129	sub generate_random_map {	1577	sub generate_random_map {
1130	my ($path, $rmp) = @_;	1578	my ($self, $rmp) = @_;
1131
1132	# mit "rum" bekleckern, nicht	1579	# mit "rum" bekleckern, nicht
1133	cf::map::_create_random_map	1580	$self->_create_random_map (
1134	$path,
1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138	$rmp->{exit_on_final_map},	1584	$rmp->{exit_on_final_map},
1139	$rmp->{xsize}, $rmp->{ysize},	1585	$rmp->{xsize}, $rmp->{ysize},
1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1586	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1587	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1588	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1589	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145	(cf::region::find $rmp->{region})	1591	(cf::region::find $rmp->{region}), $rmp->{custom}
		1592	)
		1593	}
		1594
		1595	=item cf::map->register ($regex, $prio)
		1596
		1597	Register a handler for the map path matching the given regex at the
		1598	givne priority (higher is better, built-in handlers have priority 0, the
		1599	default).
		1600
		1601	=cut
		1602
		1603	sub register {
		1604	my (undef, $regex, $prio) = @_;
		1605	my $pkg = caller;
		1606
		1607	no strict;
		1608	push @{"$pkg\::ISA"}, __PACKAGE__;
		1609
		1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1611	}
		1612
		1613	# also paths starting with '/'
		1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1615
		1616	sub thawer_merge {
		1617	my ($self, $merge) = @_;
		1618
		1619	# we have to keep some variables in memory intact
		1620	local $self->{path};
		1621	local $self->{load_path};
		1622
		1623	$self->SUPER::thawer_merge ($merge);
		1624	}
		1625
		1626	sub normalise {
		1627	my ($path, $base) = @_;
		1628
		1629	$path = "$path"; # make sure its a string
		1630
		1631	$path =~ s/\.map$//;
		1632
		1633	# map plan:
		1634	#
		1635	# /! non-realised random map exit (special hack!)
		1636	# {... are special paths that are not being touched
		1637	# ?xxx/... are special absolute paths
		1638	# ?random/... random maps
		1639	# /... normal maps
		1640	# ~user/... per-player map of a specific user
		1641
		1642	$path =~ s/$PATH_SEP/\//go;
		1643
		1644	# treat it as relative path if it starts with
		1645	# something that looks reasonable
		1646	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1647	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1648
		1649	$base =~ s{[^/]+/?$}{};
		1650	$path = "$base/$path";
		1651	}
		1652
		1653	for ($path) {
		1654	redo if s{//}{/};
		1655	redo if s{/\.?/}{/};
		1656	redo if s{/[^/]+/\.\./}{/};
		1657	}
		1658
		1659	$path
		1660	}
		1661
		1662	sub new_from_path {
		1663	my (undef, $path, $base) = @_;
		1664
		1665	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1666
		1667	$path = normalise $path, $base;
		1668
		1669	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1670	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1671	my $self = bless cf::map::new, $pkg;
		1672	$self->{path} = $path; $self->path ($path);
		1673	$self->init; # pass $1 etc.
		1674	return $self;
		1675	}
		1676	}
		1677
		1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1679	()
		1680	}
		1681
		1682	sub init {
		1683	my ($self) = @_;
		1684
		1685	$self
		1686	}
		1687
		1688	sub as_string {
		1689	my ($self) = @_;
		1690
		1691	"$self->{path}"
		1692	}
		1693
		1694	# the displayed name, this is a one way mapping
		1695	sub visible_name {
		1696	&as_string
		1697	}
		1698
		1699	# the original (read-only) location
		1700	sub load_path {
		1701	my ($self) = @_;
		1702
		1703	"$MAPDIR/$self->{path}.map"
		1704	}
		1705
		1706	# the temporary/swap location
		1707	sub save_path {
		1708	my ($self) = @_;
		1709
		1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1711	"$TMPDIR/$path.map"
		1712	}
		1713
		1714	# the unique path, undef == no special unique path
		1715	sub uniq_path {
		1716	my ($self) = @_;
		1717
		1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1719	"$UNIQUEDIR/$path"
1146	}	1720	}
1147		1721
1148	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1149	# all maps in C++...	1723	# all maps in C++...
1150	sub change_all_map_light {	1724	sub change_all_map_light {
…		…
1152		1726
1153	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1154	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
1155	}	1729	}
1156		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
		1737	}
		1738
		1739	sub unlink_save {
		1740	my ($self) = @_;
		1741
		1742	utf8::encode (my $save = $self->save_path);
		1743	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1744	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1745	}
		1746
1157	sub try_load_header($) {	1747	sub load_header_from($) {
1158	my ($path) = @_;	1748	my ($self, $path) = @_;
1159		1749
1160	utf8::encode $path;	1750	utf8::encode $path;
1161	aio_open $path, O_RDONLY, 0	1751	#aio_open $path, O_RDONLY, 0
		1752	# or return;
		1753
		1754	$self->_load_header ($path)
1162	or return;	1755	or return;
1163		1756
1164	my $map = cf::map::new	1757	$self->{load_path} = $path;
		1758
		1759	1
		1760	}
		1761
		1762	sub load_header_orig {
		1763	my ($self) = @_;
		1764
		1765	$self->load_header_from ($self->load_path)
		1766	}
		1767
		1768	sub load_header_temp {
		1769	my ($self) = @_;
		1770
		1771	$self->load_header_from ($self->save_path)
		1772	}
		1773
		1774	sub prepare_temp {
		1775	my ($self) = @_;
		1776
		1777	$self->last_access ((delete $self->{last_access})
		1778	|| $cf::RUNTIME); #d#
		1779	# safety
		1780	$self->{instantiate_time} = $cf::RUNTIME
		1781	if $self->{instantiate_time} > $cf::RUNTIME;
		1782	}
		1783
		1784	sub prepare_orig {
		1785	my ($self) = @_;
		1786
		1787	$self->{load_original} = 1;
		1788	$self->{instantiate_time} = $cf::RUNTIME;
		1789	$self->last_access ($cf::RUNTIME);
		1790	$self->instantiate;
		1791	}
		1792
		1793	sub load_header {
		1794	my ($self) = @_;
		1795
		1796	if ($self->load_header_temp) {
		1797	$self->prepare_temp;
		1798	} else {
		1799	$self->load_header_orig
1165	or return;	1800	or return;
		1801	$self->prepare_orig;
		1802	}
1166		1803
1167	# for better error messages only, will be overwritten	1804	$self->{deny_reset} = 1
1168	$map->path ($path);	1805	if $self->no_reset;
1169		1806
1170	$map->load_header ($path)	1807	$self->default_region (cf::region::find_by_path $self->{path})
1171	or return;	1808	unless $self->default_region;
1172		1809
1173	$map->{load_path} = $path;	1810	1
1174
1175	$map
1176	}	1811	}
1177		1812
1178	sub find;	1813	sub find;
1179	sub find {	1814	sub find {
1180	my ($path, $origin) = @_;	1815	my ($path, $origin) = @_;
1181		1816
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	1817	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		1818
1187	cf::lock_wait "map_find:$key";	1819	cf::lock_wait "map_find:$path";
1188		1820
1189	$cf::MAP{$key} || do {	1821	$cf::MAP{$path} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	1822	my $guard = cf::lock_acquire "map_find:$path";
1191		1823	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;	1824	or return;
1211		1825
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;	1826	$map->{last_save} = $cf::RUNTIME;
1224		1827
1225	Coro::cede;	1828	$map->load_header
		1829	or return;
1226		1830
1227	if ($map->should_reset) {	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1832	# doing this can freeze the server in a sync job, obviously
		1833	#$cf::WAIT_FOR_TICK->wait;
1228	$map->reset;	1834	$map->reset;
1229	undef $guard;	1835	undef $guard;
1230	$map = find $path	1836	return find $path;
1231	or return;
1232	}	1837	}
1233		1838
1234	$cf::MAP{$key} = $map	1839	$cf::MAP{$path} = $map
1235	}	1840	}
1236	}	1841	}
		1842
		1843	sub pre_load { }
		1844	sub post_load { }
1237		1845
1238	sub load {	1846	sub load {
1239	my ($self) = @_;	1847	my ($self) = @_;
1240		1848
		1849	local $self->{deny_reset} = 1; # loading can take a long time
		1850
1241	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
		1854	my $guard1 = cf::lock_acquire "map_data:$path";
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1855	my $guard2 = cf::lock_acquire "map_load:$path";
1243		1856
1244	return if $self->in_memory != cf::MAP_SWAPPED;	1857	return if $self->in_memory != cf::MAP_SWAPPED;
1245		1858
1246	$self->in_memory (cf::MAP_LOADING);	1859	$self->in_memory (cf::MAP_LOADING);
1247		1860
1248	$self->alloc;	1861	$self->alloc;
		1862
		1863	$self->pre_load;
		1864	Coro::cede;
		1865
1249	$self->load_objects ($self->{load_path}, 1)	1866	$self->_load_objects ($self->{load_path}, 1)
1250	or return;	1867	or return;
1251		1868
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1869	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1253	if delete $self->{load_original};	1870	if delete $self->{load_original};
1254		1871
1255	if (my $uniq = $path->uniq_path) {	1872	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	1873	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	1874	if (aio_open $uniq, O_RDONLY, 0) {
1258	$self->clear_unique_items;	1875	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	1876	$self->_load_objects ($uniq, 0);
1260	}	1877	}
1261	}	1878	}
1262		1879
1263	Coro::cede;	1880	Coro::cede;
1264
1265	# now do the right thing for maps	1881	# now do the right thing for maps
1266	$self->link_multipart_objects;	1882	$self->link_multipart_objects;
1267
1268	if ($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)	1883	$self->difficulty ($self->estimate_difficulty)
1277	unless $self->difficulty;	1884	unless $self->difficulty;
		1885	Coro::cede;
		1886
		1887	unless ($self->{deny_activate}) {
		1888	$self->decay_objects;
		1889	$self->fix_auto_apply;
		1890	$self->update_buttons;
		1891	Coro::cede;
		1892	$self->set_darkness_map;
		1893	Coro::cede;
1278	$self->activate;	1894	$self->activate;
1279	}	1895	}
1280		1896
1281	Coro::cede;	1897	$self->{last_save} = $cf::RUNTIME;
		1898	$self->last_access ($cf::RUNTIME);
1282		1899
1283	$self->in_memory (cf::MAP_IN_MEMORY);	1900	$self->in_memory (cf::MAP_IN_MEMORY);
		1901	}
		1902
		1903	$self->post_load;
		1904	}
		1905
		1906	sub customise_for {
		1907	my ($self, $ob) = @_;
		1908
		1909	return find "~" . $ob->name . "/" . $self->{path}
		1910	if $self->per_player;
		1911
		1912	# return find "?party/" . $ob->name . "/" . $self->{path}
		1913	# if $self->per_party;
		1914
		1915	$self
		1916	}
		1917
		1918	# find and load all maps in the 3x3 area around a map
		1919	sub load_neighbours {
		1920	my ($map) = @_;
		1921
		1922	my @neigh; # diagonal neighbours
		1923
		1924	for (0 .. 3) {
		1925	my $neigh = $map->tile_path ($_)
		1926	or next;
		1927	$neigh = find $neigh, $map
		1928	or next;
		1929	$neigh->load;
		1930
		1931	push @neigh,
		1932	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1933	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1934	}
		1935
		1936	for (grep defined $_->[0], @neigh) {
		1937	my ($path, $origin) = @$_;
		1938	my $neigh = find $path, $origin
		1939	or next;
		1940	$neigh->load;
		1941	}
1284	}	1942	}
1285		1943
1286	sub find_sync {	1944	sub find_sync {
1287	my ($path, $origin) = @_;	1945	my ($path, $origin) = @_;
1288		1946
1289	cf::sync_job { cf::map::find $path, $origin }	1947	cf::sync_job { find $path, $origin }
1290	}	1948	}
1291		1949
1292	sub do_load_sync {	1950	sub do_load_sync {
1293	my ($map) = @_;	1951	my ($map) = @_;
1294		1952
		1953	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1954	if $Coro::current == $Coro::main;
		1955
1295	cf::sync_job { $map->load };	1956	cf::sync_job { $map->load };
		1957	}
		1958
		1959	our %MAP_PREFETCH;
		1960	our $MAP_PREFETCHER = undef;
		1961
		1962	sub find_async {
		1963	my ($path, $origin, $load) = @_;
		1964
		1965	$path = normalise $path, $origin && $origin->{path};
		1966
		1967	if (my $map = $cf::MAP{$path}) {
		1968	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1969	}
		1970
		1971	$MAP_PREFETCH{$path} |= $load;
		1972
		1973	$MAP_PREFETCHER ||= cf::async {
		1974	while (%MAP_PREFETCH) {
		1975	while (my ($k, $v) = each %MAP_PREFETCH) {
		1976	if (my $map = find $k) {
		1977	$map->load if $v;
		1978	}
		1979
		1980	delete $MAP_PREFETCH{$k};
		1981	}
		1982	}
		1983	undef $MAP_PREFETCHER;
		1984	};
		1985	$MAP_PREFETCHER->prio (6);
		1986
		1987	()
1296	}	1988	}
1297		1989
1298	sub save {	1990	sub save {
1299	my ($self) = @_;	1991	my ($self) = @_;
1300		1992
		1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1994
1301	$self->{last_save} = $cf::RUNTIME;	1995	$self->{last_save} = $cf::RUNTIME;
1302		1996
1303	return unless $self->dirty;	1997	return unless $self->dirty;
1304		1998
1305	my $save = $self->{path}->save_path; utf8::encode $save;	1999	my $save = $self->save_path; utf8::encode $save;
1306	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2000	my $uniq = $self->uniq_path; utf8::encode $uniq;
1307		2001
1308	$self->{load_path} = $save;	2002	$self->{load_path} = $save;
1309		2003
1310	return if $self->{deny_save};	2004	return if $self->{deny_save};
1311		2005
1312	local $self->{last_access} = $self->last_access;#d#	2006	local $self->{last_access} = $self->last_access;#d#
1313		2007
		2008	cf::async {
		2009	$_->contr->save for $self->players;
		2010	};
		2011
1314	if ($uniq) {	2012	if ($uniq) {
1315	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2013	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1316	$self->save_objects ($uniq, cf::IO_UNIQUES);	2014	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1317	} else {	2015	} else {
1318	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1319	}	2017	}
1320	}	2018	}
1321		2019
1322	sub swap_out {	2020	sub swap_out {
1323	my ($self) = @_;	2021	my ($self) = @_;
1324		2022
1325	# save first because save cedes	2023	# save first because save cedes
1326	$self->save;	2024	$self->save;
		2025
		2026	my $lock = cf::lock_acquire "map_data:$self->{path}";
1327		2027
1328	return if $self->players;	2028	return if $self->players;
1329	return if $self->in_memory != cf::MAP_IN_MEMORY;	2029	return if $self->in_memory != cf::MAP_IN_MEMORY;
1330	return if $self->{deny_save};	2030	return if $self->{deny_save};
1331		2031
…		…
1335		2035
1336	sub reset_at {	2036	sub reset_at {
1337	my ($self) = @_;	2037	my ($self) = @_;
1338		2038
1339	# TODO: safety, remove and allow resettable per-player maps	2039	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};
1341	return 1e99 if $self->{deny_reset};	2040	return 1e99 if $self->{deny_reset};
1342		2041
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2042	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2043	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		2044
…		…
1350	my ($self) = @_;	2049	my ($self) = @_;
1351		2050
1352	$self->reset_at <= $cf::RUNTIME	2051	$self->reset_at <= $cf::RUNTIME
1353	}	2052	}
1354		2053
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	2054	sub reset {
1377	my ($self) = @_;	2055	my ($self) = @_;
1378		2056
		2057	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2058
1379	return if $self->players;	2059	return if $self->players;
1380	return if $self->{path}{user_rel};#d#
1381		2060
1382	warn "resetting map ", $self->path;#d#	2061	warn "resetting map ", $self->path;
		2062
		2063	$self->in_memory (cf::MAP_SWAPPED);
		2064
		2065	# need to save uniques path
		2066	unless ($self->{deny_save}) {
		2067	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2068
		2069	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2070	if $uniq;
		2071	}
1383		2072
1384	delete $cf::MAP{$self->path};	2073	delete $cf::MAP{$self->path};
		2074
		2075	$self->clear;
1385		2076
1386	$_->clear_links_to ($self) for values %cf::MAP;	2077	$_->clear_links_to ($self) for values %cf::MAP;
1387		2078
1388	$self->unlink_save;	2079	$self->unlink_save;
1389	$self->destroy;	2080	$self->destroy;
…		…
1392	my $nuke_counter = "aaaa";	2083	my $nuke_counter = "aaaa";
1393		2084
1394	sub nuke {	2085	sub nuke {
1395	my ($self) = @_;	2086	my ($self) = @_;
1396		2087
		2088	delete $cf::MAP{$self->path};
		2089
		2090	$self->unlink_save;
		2091
		2092	bless $self, "cf::map";
		2093	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	2094	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	2095	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	2096	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2097
		2098	$cf::MAP{$self->path} = $self;
		2099
1400	$self->reset; # polite request, might not happen	2100	$self->reset; # polite request, might not happen
1401	}	2101	}
1402		2102
1403	sub customise_for {	2103	=item $maps = cf::map::tmp_maps
1404	my ($map, $ob) = @_;
1405		2104
1406	if ($map->per_player) {	2105	Returns an arrayref with all map paths of currently instantiated and saved
1407	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2106	maps. May block.
		2107
		2108	=cut
		2109
		2110	sub tmp_maps() {
1408	}	2111	[
1409		2112	map {
1410	$map	2113	utf8::decode $_;
		2114	/\.map$/
		2115	? normalise $_
		2116	: ()
		2117	} @{ aio_readdir $TMPDIR or [] }
		2118	]
1411	}	2119	}
1412		2120
1413	sub emergency_save {	2121	=item $maps = cf::map::random_maps
1414	my $freeze_guard = cf::freeze_mainloop;
1415		2122
1416	warn "enter emergency map save\n";	2123	Returns an arrayref with all map paths of currently instantiated and saved
		2124	random maps. May block.
1417		2125
1418	cf::sync_job {	2126	=cut
1419	warn "begin emergency map save\n";
1420	$_->save for values %cf::MAP;
1421	};
1422		2127
1423	warn "end emergency map save\n";	2128	sub random_maps() {
		2129	[
		2130	map {
		2131	utf8::decode $_;
		2132	/\.map$/
		2133	? normalise "?random/$_"
		2134	: ()
		2135	} @{ aio_readdir $RANDOMDIR or [] }
		2136	]
		2137	}
		2138
		2139	=item cf::map::unique_maps
		2140
		2141	Returns an arrayref of paths of all shared maps that have
		2142	instantiated unique items. May block.
		2143
		2144	=cut
		2145
		2146	sub unique_maps() {
		2147	[
		2148	map {
		2149	utf8::decode $_;
		2150	/\.map$/
		2151	? normalise $_
		2152	: ()
		2153	} @{ aio_readdir $UNIQUEDIR or [] }
		2154	]
1424	}	2155	}
1425		2156
1426	package cf;	2157	package cf;
1427		2158
1428	=back	2159	=back
1429		2160
		2161	=head3 cf::object
		2162
		2163	=cut
		2164
		2165	package cf::object;
		2166
		2167	=over 4
		2168
		2169	=item $ob->inv_recursive
		2170
		2171	Returns the inventory of the object _and_ their inventories, recursively.
		2172
		2173	=cut
		2174
		2175	sub inv_recursive_;
		2176	sub inv_recursive_ {
		2177	map { $_, inv_recursive_ $_->inv } @_
		2178	}
		2179
		2180	sub inv_recursive {
		2181	inv_recursive_ inv $_[0]
		2182	}
		2183
		2184	package cf;
		2185
		2186	=back
1430		2187
1431	=head3 cf::object::player	2188	=head3 cf::object::player
1432		2189
1433	=over 4	2190	=over 4
1434		2191
…		…
1448		2205
1449	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2206	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1450		2207
1451	if ($self->{record_replies}) {	2208	if ($self->{record_replies}) {
1452	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2209	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2210
1453	} else {	2211	} else {
		2212	my $pl = $self->contr;
		2213
		2214	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2215	my $dialog = $pl->{npc_dialog};
		2216	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2217
		2218	} else {
1454	$msg = $npc->name . " says: $msg" if $npc;	2219	$msg = $npc->name . " says: $msg" if $npc;
1455	$self->message ($msg, $flags);	2220	$self->message ($msg, $flags);
		2221	}
1456	}	2222	}
		2223	}
		2224
		2225	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2226
		2227	=cut
		2228
		2229	sub cf::object::send_msg {
		2230	my $pl = shift->contr
		2231	or return;
		2232	$pl->send_msg (@_);
1457	}	2233	}
1458		2234
1459	=item $player_object->may ("access")	2235	=item $player_object->may ("access")
1460		2236
1461	Returns wether the given player is authorized to access resource "access"	2237	Returns wether the given player is authorized to access resource "access"
…		…
1474		2250
1475	=item $player_object->enter_link	2251	=item $player_object->enter_link
1476		2252
1477	Freezes the player and moves him/her to a special map (C<{link}>).	2253	Freezes the player and moves him/her to a special map (C<{link}>).
1478		2254
1479	The player should be reaosnably safe there for short amounts of time. You	2255	The player should be reasonably safe there for short amounts of time. You
1480	I<MUST> call C<leave_link> as soon as possible, though.	2256	I<MUST> call C<leave_link> as soon as possible, though.
1481		2257
		2258	Will never block.
		2259
1482	=item $player_object->leave_link ($map, $x, $y)	2260	=item $player_object->leave_link ($map, $x, $y)
1483		2261
1484	Moves the player out of the specila link map onto the given map. If the	2262	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	2263	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	2264	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	2265	fails, to the emergency map position.
1488		2266
1489	Might block.	2267	Might block.
1490		2268
1491	=cut	2269	=cut
		2270
		2271	sub link_map {
		2272	unless ($LINK_MAP) {
		2273	$LINK_MAP = cf::map::find "{link}"
		2274	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2275	$LINK_MAP->load;
		2276	}
		2277
		2278	$LINK_MAP
		2279	}
1492		2280
1493	sub cf::object::player::enter_link {	2281	sub cf::object::player::enter_link {
1494	my ($self) = @_;	2282	my ($self) = @_;
1495		2283
1496	$self->deactivate_recursive;	2284	$self->deactivate_recursive;
1497		2285
1498	return if $self->map == $LINK_MAP;	2286	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		2287
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2288	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	2289	if $self->map && $self->map->{path} ne "{link}";
1502		2290
1503	$self->enter_map ($LINK_MAP, 20, 20);	2291	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1504	}	2292	}
1505		2293
1506	sub cf::object::player::leave_link {	2294	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	2295	my ($self, $map, $x, $y) = @_;
		2296
		2297	return unless $self->contr->active;
1508		2298
1509	my $link_pos = delete $self->{_link_pos};	2299	my $link_pos = delete $self->{_link_pos};
1510		2300
1511	unless ($map) {	2301	unless ($map) {
1512	# restore original map position	2302	# restore original map position
…		…
1526	# use -1 or undef as default coordinates, not 0, 0	2316	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	2317	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	2318	if $x <=0 && $y <= 0;
1529		2319
1530	$map->load;	2320	$map->load;
		2321	$map->load_neighbours;
1531		2322
		2323	return unless $self->contr->active;
1532	$self->activate_recursive;	2324	$self->activate_recursive;
		2325
		2326	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1533	$self->enter_map ($map, $x, $y);	2327	$self->enter_map ($map, $x, $y);
1534	}	2328	}
1535		2329
1536	cf::player->attach (	2330	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1537	on_logout => sub {
1538	my ($pl) = @_;
1539		2331
1540	# abort map switching before logout	2332	Moves the player to the given map-path and coordinates by first freezing
1541	if ($pl->ob->{_link_pos}) {	2333	her, loading and preparing them map, calling the provided $check callback
1542	cf::sync_job {	2334	that has to return the map if sucecssful, and then unfreezes the player on
1543	$pl->ob->leave_link	2335	the new (success) or old (failed) map position. In either case, $done will
1544	};	2336	be called at the end of this process.
1545	}
1546	},
1547	on_login => sub {
1548	my ($pl) = @_;
1549		2337
1550	# try to abort aborted map switching on player login :)
1551	# should happen only on crashes
1552	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;
1554	cf::async {
1555	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn
1557	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;
1559	};
1560	}
1561	},
1562	);
1563
1564	=item $player_object->goto_map ($path, $x, $y)
1565
1566	=cut	2338	=cut
1567		2339
		2340	our $GOTOGEN;
		2341
1568	sub cf::object::player::goto_map {	2342	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	2343	my ($self, $path, $x, $y, $check, $done) = @_;
		2344
		2345	# do generation counting so two concurrent goto's will be executed in-order
		2346	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1570		2347
1571	$self->enter_link;	2348	$self->enter_link;
1572		2349
1573	(cf::async {	2350	(async {
1574	$path = new cf::path $path;	2351	my $map = eval {
1575
1576	my $map = cf::map::find $path->as_string;	2352	my $map = cf::map::find $path;
		2353
		2354	if ($map) {
1577	$map = $map->customise_for ($self) if $map;	2355	$map = $map->customise_for ($self);
1578		2356	$map = $check->($map) if $check && $map;
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	2357	} else {
1580	# if $map;
1581
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2358	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2359	}
1583		2360
		2361	$map
		2362	};
		2363
		2364	if ($@) {
		2365	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	LOG llevError | logBacktrace, Carp::longmess $@;
		2367	}
		2368
		2369	if ($gen == $self->{_goto_generation}) {
		2370	delete $self->{_goto_generation};
1584	$self->leave_link ($map, $x, $y);	2371	$self->leave_link ($map, $x, $y);
		2372	}
		2373
		2374	$done->() if $done;
1585	})->prio (1);	2375	})->prio (1);
1586	}	2376	}
1587		2377
1588	=item $player_object->enter_exit ($exit_object)	2378	=item $player_object->enter_exit ($exit_object)
1589		2379
…		…
1591		2381
1592	sub parse_random_map_params {	2382	sub parse_random_map_params {
1593	my ($spec) = @_;	2383	my ($spec) = @_;
1594		2384
1595	my $rmp = { # defaults	2385	my $rmp = { # defaults
1596	xsize => 10,	2386	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	2387	ysize => (cf::rndm 15, 40),
		2388	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2389	#layout => string,
1598	};	2390	};
1599		2391
1600	for (split /\n/, $spec) {	2392	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	2393	my ($k, $v) = split /\s+/, $_, 2;
1602		2394
…		…
1606	$rmp	2398	$rmp
1607	}	2399	}
1608		2400
1609	sub prepare_random_map {	2401	sub prepare_random_map {
1610	my ($exit) = @_;	2402	my ($exit) = @_;
		2403
		2404	my $guard = cf::lock_acquire "exit_prepare:$exit";
1611		2405
1612	# all this does is basically replace the /! path by	2406	# all this does is basically replace the /! path by
1613	# a new random map path (?random/...) with a seed	2407	# a new random map path (?random/...) with a seed
1614	# that depends on the exit object	2408	# that depends on the exit object
1615		2409
1616	my $rmp = parse_random_map_params $exit->msg;	2410	my $rmp = parse_random_map_params $exit->msg;
1617		2411
1618	if ($exit->map) {	2412	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	2413	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	2414	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	2415	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	2416	$rmp->{origin_y} = $exit->y;
1623	}	2417	}
1624		2418
1625	$rmp->{random_seed} ||= $exit->random_seed;	2419	$rmp->{random_seed} ||= $exit->random_seed;
1626		2420
1627	my $data = cf::to_json $rmp;	2421	my $data = cf::to_json $rmp;
1628	my $md5 = Digest::MD5::md5_hex $data;	2422	my $md5 = Digest::MD5::md5_hex $data;
		2423	my $meta = "$RANDOMDIR/$md5.meta";
1629		2424
1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2425	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631	aio_write $fh, 0, (length $data), $data, 0;	2426	aio_write $fh, 0, (length $data), $data, 0;
		2427	undef $fh;
		2428	aio_rename "$meta~", $meta;
1632		2429
1633	$exit->slaying ("?random/$md5");	2430	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	2431	$exit->msg (undef);
1635	}	2432	}
1636	}	2433	}
…		…
1638	sub cf::object::player::enter_exit {	2435	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	2436	my ($self, $exit) = @_;
1640		2437
1641	return unless $self->type == cf::PLAYER;	2438	return unless $self->type == cf::PLAYER;
1642		2439
		2440	if ($exit->slaying eq "/!") {
		2441	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2442	# the problem is that $exit might not survive long enough
		2443	# so it needs to be done right now, right here
		2444	cf::sync_job { prepare_random_map $exit };
		2445	}
		2446
		2447	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2448	my $hp = $exit->stats->hp;
		2449	my $sp = $exit->stats->sp;
		2450
1643	$self->enter_link;	2451	$self->enter_link;
1644		2452
		2453	# if exit is damned, update players death & WoR home-position
		2454	$self->contr->savebed ($slaying, $hp, $sp)
		2455	if $exit->flag (FLAG_DAMNED);
		2456
1645	(cf::async {	2457	(async {
1646	$self->deactivate_recursive; # just to be sure	2458	$self->deactivate_recursive; # just to be sure
1647	unless (eval {	2459	unless (eval {
1648	prepare_random_map $exit	2460	$self->goto ($slaying, $hp, $sp);
1649	if $exit->slaying eq "/!";
1650
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1653		2461
1654	1;	2462	1;
1655	}) {	2463	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	2464	$self->message ("Something went wrong deep within the crossfire server. "
1657	. "I'll try to bring you back to the map you were before. "	2465	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	2466	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	2467	cf::NDI_UNIQUE | cf::NDI_RED);
1660		2468
1661	warn "ERROR in enter_exit: $@";	2469	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	2470	$self->leave_link;
1663	}	2471	}
1664	})->prio (1);	2472	})->prio (1);
…		…
1677		2485
1678	sub cf::client::send_drawinfo {	2486	sub cf::client::send_drawinfo {
1679	my ($self, $text, $flags) = @_;	2487	my ($self, $text, $flags) = @_;
1680		2488
1681	utf8::encode $text;	2489	utf8::encode $text;
1682	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2490	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1683	}	2491	}
1684		2492
		2493	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2494
		2495	Send a drawinfo or msg packet to the client, formatting the msg for the
		2496	client if neccessary. C<$type> should be a string identifying the type of
		2497	the message, with C<log> being the default. If C<$color> is negative, suppress
		2498	the message unless the client supports the msg packet.
		2499
		2500	=cut
		2501
		2502	sub cf::client::send_msg {
		2503	my ($self, $channel, $msg, $color, @extra) = @_;
		2504
		2505	$msg = $self->pl->expand_cfpod ($msg);
		2506
		2507	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2508
		2509	if (ref $channel) {
		2510	# send meta info to client, if not yet sent
		2511	unless (exists $self->{channel}{$channel->{id}}) {
		2512	$self->{channel}{$channel->{id}} = $channel;
		2513	$self->ext_msg (channel_info => $channel);
		2514	}
		2515
		2516	$channel = $channel->{id};
		2517	}
		2518
		2519	return unless @extra || length $msg;
		2520
		2521	if ($self->can_msg) {
		2522	# default colour, mask it out
		2523	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2524	if $color & cf::NDI_DEF;
		2525
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2527	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2528	} else {
		2529	if ($color >= 0) {
		2530	# replace some tags by gcfclient-compatible ones
		2531	for ($msg) {
		2532	1 while
		2533	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2534	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2535	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2536	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2537	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2538	}
		2539
		2540	$color &= cf::NDI_COLOR_MASK;
		2541
		2542	utf8::encode $msg;
		2543
		2544	if (0 && $msg =~ /\[/) {
		2545	# COMMAND/INFO
		2546	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
		2555	=item $client->ext_msg ($type, @msg)
		2556
		2557	Sends an ext event to the client.
		2558
		2559	=cut
		2560
		2561	sub cf::client::ext_msg($$@) {
		2562	my ($self, $type, @msg) = @_;
		2563
		2564	if ($self->extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($self->extcmd == 1) { # TODO: remove
		2567	push @msg, msgtype => "event_$type";
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
		2571
		2572	=item $client->ext_reply ($msgid, @msg)
		2573
		2574	Sends an ext reply to the client.
		2575
		2576	=cut
		2577
		2578	sub cf::client::ext_reply($$@) {
		2579	my ($self, $id, @msg) = @_;
		2580
		2581	if ($self->extcmd == 2) {
		2582	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2583	} elsif ($self->extcmd == 1) {
		2584	#TODO: version 1, remove
		2585	unshift @msg, msgtype => "reply", msgid => $id;
		2586	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2587	}
		2588	}
1685		2589
1686	=item $success = $client->query ($flags, "text", \&cb)	2590	=item $success = $client->query ($flags, "text", \&cb)
1687		2591
1688	Queues a query to the client, calling the given callback with	2592	Queues a query to the client, calling the given callback with
1689	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2593	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1690	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2594	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1691		2595
1692	Queries can fail, so check the return code. Or don't, as queries will become	2596	Queries can fail, so check the return code. Or don't, as queries will
1693	reliable at some point in the future.	2597	become reliable at some point in the future.
1694		2598
1695	=cut	2599	=cut
1696		2600
1697	sub cf::client::query {	2601	sub cf::client::query {
1698	my ($self, $flags, $text, $cb) = @_;	2602	my ($self, $flags, $text, $cb) = @_;
…		…
1706	utf8::encode $text;	2610	utf8::encode $text;
1707	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2611	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1708		2612
1709	$self->send_packet ($self->{query_queue}[0][0])	2613	$self->send_packet ($self->{query_queue}[0][0])
1710	if @{ $self->{query_queue} } == 1;	2614	if @{ $self->{query_queue} } == 1;
		2615
		2616	1
1711	}	2617	}
1712		2618
1713	cf::client->attach (	2619	cf::client->attach (
		2620	on_connect => sub {
		2621	my ($ns) = @_;
		2622
		2623	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2624	},
1714	on_reply => sub {	2625	on_reply => sub {
1715	my ($ns, $msg) = @_;	2626	my ($ns, $msg) = @_;
1716		2627
1717	# this weird shuffling is so that direct followup queries	2628	# this weird shuffling is so that direct followup queries
1718	# get handled first	2629	# get handled first
1719	my $queue = delete $ns->{query_queue}	2630	my $queue = delete $ns->{query_queue}
1720	or return; # be conservative, not sure how that can happen, but we saw a crash here	2631	or return; # be conservative, not sure how that can happen, but we saw a crash here
1721		2632
1722	(shift @$queue)->[1]->($msg);	2633	(shift @$queue)->[1]->($msg);
		2634	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1723		2635
1724	push @{ $ns->{query_queue} }, @$queue;	2636	push @{ $ns->{query_queue} }, @$queue;
1725		2637
1726	if (@{ $ns->{query_queue} } == @$queue) {	2638	if (@{ $ns->{query_queue} } == @$queue) {
1727	if (@$queue) {	2639	if (@$queue) {
…		…
1729	} else {	2641	} else {
1730	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2642	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1731	}	2643	}
1732	}	2644	}
1733	},	2645	},
		2646	on_exticmd => sub {
		2647	my ($ns, $buf) = @_;
		2648
		2649	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2650
		2651	if (ref $msg) {
		2652	my ($type, $reply, @payload) =
		2653	"ARRAY" eq ref $msg
		2654	? @$msg
		2655	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2656
		2657	my @reply;
		2658
		2659	if (my $cb = $EXTICMD{$type}) {
		2660	@reply = $cb->($ns, @payload);
		2661	}
		2662
		2663	$ns->ext_reply ($reply, @reply)
		2664	if $reply;
		2665
		2666	} else {
		2667	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2668	}
		2669
		2670	cf::override;
		2671	},
1734	);	2672	);
1735		2673
1736	=item $client->coro (\&cb)	2674	=item $client->async (\&cb)
1737		2675
1738	Create a new coroutine, running the specified callback. The coroutine will	2676	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	2677	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	2678	or loss of connection).
1741		2679
1742	=cut	2680	=cut
1743		2681
1744	sub cf::client::coro {	2682	sub cf::client::async {
1745	my ($self, $cb) = @_;	2683	my ($self, $cb) = @_;
1746		2684
1747	my $coro = &cf::async ($cb);	2685	my $coro = &Coro::async ($cb);
1748		2686
1749	$coro->on_destroy (sub {	2687	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	2688	delete $self->{_coro}{$coro+0};
1751	});	2689	});
1752		2690
…		…
1779	our $safe = new Safe "safe";	2717	our $safe = new Safe "safe";
1780	our $safe_hole = new Safe::Hole;	2718	our $safe_hole = new Safe::Hole;
1781		2719
1782	$SIG{FPE} = 'IGNORE';	2720	$SIG{FPE} = 'IGNORE';
1783		2721
1784	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2722	$safe->permit_only (Opcode::opset qw(
		2723	:base_core :base_mem :base_orig :base_math
		2724	grepstart grepwhile mapstart mapwhile
		2725	sort time
		2726	));
1785		2727
1786	# here we export the classes and methods available to script code	2728	# here we export the classes and methods available to script code
1787		2729
1788	=pod	2730	=pod
1789		2731
1790	The following fucntions and emthods are available within a safe environment:	2732	The following functions and methods are available within a safe environment:
1791		2733
1792	cf::object contr pay_amount pay_player map	2734	cf::object
		2735	contr pay_amount pay_player map x y force_find force_add
		2736	insert remove name archname title slaying race decrease_ob_nr
		2737
1793	cf::object::player player	2738	cf::object::player
1794	cf::player peaceful	2739	player
1795	cf::map trigger	2740
		2741	cf::player
		2742	peaceful
		2743
		2744	cf::map
		2745	trigger
1796		2746
1797	=cut	2747	=cut
1798		2748
1799	for (	2749	for (
1800	["cf::object" => qw(contr pay_amount pay_player map)],	2750	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2751	insert remove inv name archname title slaying race
		2752	decrease_ob_nr)],
1801	["cf::object::player" => qw(player)],	2753	["cf::object::player" => qw(player)],
1802	["cf::player" => qw(peaceful)],	2754	["cf::player" => qw(peaceful)],
1803	["cf::map" => qw(trigger)],	2755	["cf::map" => qw(trigger)],
1804	) {	2756	) {
1805	no strict 'refs';	2757	no strict 'refs';
…		…
1876	=back	2828	=back
1877		2829
1878	=cut	2830	=cut
1879		2831
1880	#############################################################################	2832	#############################################################################
		2833	# the server's init and main functions
1881		2834
1882	=head2 EXTENSION DATABASE SUPPORT	2835	sub load_facedata($) {
		2836	my ($path) = @_;
1883		2837
1884	Crossfire maintains a very simple database for extension use. It can	2838	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1885	currently store anything that can be serialised using Storable, which
1886	excludes objects.
1887		2839
1888	The parameter C<$family> should best start with the name of the extension	2840	warn "loading facedata from $path\n";
1889	using it, it should be unique.
1890		2841
1891	=over 4	2842	my $facedata;
		2843	0 < aio_load $path, $facedata
		2844	or die "$path: $!";
1892		2845
1893	=item $hashref = cf::db_get $family	2846	$facedata = Coro::Storable::thaw $facedata;
1894		2847
1895	Return a hashref for use by the extension C<$family>, which can be	2848	$facedata->{version} == 2
1896	modified. After modifications, you have to call C<cf::db_dirty> or	2849	or cf::cleanup "$path: version mismatch, cannot proceed.";
1897	C<cf::db_sync>.
1898		2850
1899	=item $value = cf::db_get $family => $key	2851	# patch in the exptable
1900		2852	$facedata->{resource}{"res/exp_table"} = {
1901	Returns a single value from the database	2853	type => FT_RSRC,
1902		2854	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1903	=item cf::db_put $family => $hashref
1904
1905	Stores the given family hashref into the database. Updates are delayed, if
1906	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1907
1908	=item cf::db_put $family => $key => $value
1909
1910	Stores the given C<$value> in the family hash. Updates are delayed, if you
1911	want the data to be synced to disk immediately, use C<cf::db_sync>.
1912
1913	=item cf::db_dirty
1914
1915	Marks the database as dirty, to be updated at a later time.
1916
1917	=item cf::db_sync
1918
1919	Immediately write the database to disk I<if it is dirty>.
1920
1921	=cut
1922
1923	our $DB;
1924
1925	{
1926	my $path = cf::localdir . "/database.pst";
1927
1928	sub db_load() {
1929	$DB = stat $path ? Storable::retrieve $path : { };
1930	}
1931
1932	my $pid;
1933
1934	sub db_save() {
1935	waitpid $pid, 0 if $pid;
1936	if (0 == ($pid = fork)) {
1937	$DB->{_meta}{version} = 1;
1938	Storable::nstore $DB, "$path~";
1939	rename "$path~", $path;
1940	cf::_exit 0 if defined $pid;
1941	}
1942	}
1943
1944	my $dirty;
1945
1946	sub db_sync() {
1947	db_save if $dirty;
1948	undef $dirty;
1949	}
1950
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1952	db_sync;
1953	});	2855	};
		2856	cf::cede_to_tick;
1954		2857
1955	sub db_dirty() {
1956	$dirty = 1;
1957	$idle->start;
1958	}	2858	{
		2859	my $faces = $facedata->{faceinfo};
1959		2860
1960	sub db_get($;$) {	2861	while (my ($face, $info) = each %$faces) {
1961	@_ >= 2	2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1962	? $DB->{$_[0]}{$_[1]}	2863	cf::face::set_visibility $idx, $info->{visibility};
1963	: ($DB->{$_[0]} ||= { })	2864	cf::face::set_magicmap $idx, $info->{magicmap};
1964	}	2865	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2866	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1965		2867
1966	sub db_put($$;$) {	2868	cf::cede_to_tick;
1967	if (@_ >= 3) {
1968	$DB->{$_[0]}{$_[1]} = $_[2];
1969	} else {
1970	$DB->{$_[0]} = $_[1];
1971	}
1972	db_dirty;
1973	}
1974
1975	cf::global->attach (
1976	prio => 10000,
1977	on_cleanup => sub {
1978	db_sync;
1979	},	2869	}
1980	);
1981	}
1982		2870
1983	#############################################################################	2871	while (my ($face, $info) = each %$faces) {
1984	# the server's main()	2872	next unless $info->{smooth};
		2873	my $idx = cf::face::find $face
		2874	or next;
		2875	if (my $smooth = cf::face::find $info->{smooth}) {
		2876	cf::face::set_smooth $idx, $smooth;
		2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2878	} else {
		2879	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2880	}
1985		2881
1986	sub cfg_load {	2882	cf::cede_to_tick;
		2883	}
		2884	}
		2885
		2886	{
		2887	my $anims = $facedata->{animinfo};
		2888
		2889	while (my ($anim, $info) = each %$anims) {
		2890	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2891	cf::cede_to_tick;
		2892	}
		2893
		2894	cf::anim::invalidate_all; # d'oh
		2895	}
		2896
		2897	{
		2898	# TODO: for gcfclient pleasure, we should give resources
		2899	# that gcfclient doesn't grok a >10000 face index.
		2900	my $res = $facedata->{resource};
		2901
		2902	my $soundconf = delete $res->{"res/sound.conf"};
		2903
		2904	while (my ($name, $info) = each %$res) {
		2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2906	my $data;
		2907
		2908	if ($info->{type} & 1) {
		2909	# prepend meta info
		2910
		2911	my $meta = $enc->encode ({
		2912	name => $name,
		2913	%{ $info->{meta} || {} },
		2914	});
		2915
		2916	$data = pack "(w/a*)*", $meta, $info->{data};
		2917	} else {
		2918	$data = $info->{data};
		2919	}
		2920
		2921	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2922	cf::face::set_type $idx, $info->{type};
		2923
		2924	cf::cede_to_tick;
		2925	}
		2926
		2927	if ($soundconf) {
		2928	$soundconf = $enc->decode (delete $soundconf->{data});
		2929
		2930	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2931	my $sound = $soundconf->{compat}[$_]
		2932	or next;
		2933
		2934	my $face = cf::face::find "sound/$sound->[1]";
		2935	cf::sound::set $sound->[0] => $face;
		2936	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2937	}
		2938
		2939	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2940	my $face = cf::face::find "sound/$v";
		2941	cf::sound::set $k => $face;
		2942	}
		2943	}
		2944	}
		2945
		2946	1
		2947	}
		2948
		2949	register_exticmd fx_want => sub {
		2950	my ($ns, $want) = @_;
		2951
		2952	while (my ($k, $v) = each %$want) {
		2953	$ns->fx_want ($k, $v);
		2954	}
		2955	};
		2956
		2957	sub reload_regions {
		2958	load_resource_file "$MAPDIR/regions"
		2959	or die "unable to load regions file\n";
		2960
		2961	for (cf::region::list) {
		2962	$_->{match} = qr/$_->{match}/
		2963	if exists $_->{match};
		2964	}
		2965	}
		2966
		2967	sub reload_facedata {
		2968	load_facedata "$DATADIR/facedata"
		2969	or die "unable to load facedata\n";
		2970	}
		2971
		2972	sub reload_archetypes {
		2973	load_resource_file "$DATADIR/archetypes"
		2974	or die "unable to load archetypes\n";
		2975	#d# NEED to laod twice to resolve forward references
		2976	# this really needs to be done in an extra post-pass
		2977	# (which needs to be synchronous, so solve it differently)
		2978	load_resource_file "$DATADIR/archetypes"
		2979	or die "unable to load archetypes\n";
		2980	}
		2981
		2982	sub reload_treasures {
		2983	load_resource_file "$DATADIR/treasures"
		2984	or die "unable to load treasurelists\n";
		2985	}
		2986
		2987	sub reload_resources {
		2988	warn "reloading resource files...\n";
		2989
		2990	reload_regions;
		2991	reload_facedata;
		2992	#reload_archetypes;#d#
		2993	reload_archetypes;
		2994	reload_treasures;
		2995
		2996	warn "finished reloading resource files\n";
		2997	}
		2998
		2999	sub init {
		3000	reload_resources;
		3001	}
		3002
		3003	sub reload_config {
1987	open my $fh, "<:utf8", cf::confdir . "/config"	3004	open my $fh, "<:utf8", "$CONFDIR/config"
1988	or return;	3005	or return;
1989		3006
1990	local $/;	3007	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	3008	*CFG = YAML::Syck::Load <$fh>;
1992		3009
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3010	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994		3011
		3012	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3013	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3014
1995	if (exists $CFG{mlockall}) {	3015	if (exists $CFG{mlockall}) {
1996	eval {	3016	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	3017	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	3018	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	3019	};
2000	warn $@ if $@;	3020	warn $@ if $@;
2001	}	3021	}
2002	}	3022	}
2003		3023
2004	sub main {	3024	sub main {
2005	# we must not ever block the main coroutine	3025	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	3026	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3027	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	3028	(async {
2009	Event::one_event;	3029	Event::one_event;
2010	})->();	3030	})->prio (Coro::PRIO_MAX);
2011	};	3031	};
2012		3032
2013	cfg_load;	3033	reload_config;
2014	db_load;	3034	db_init;
2015	load_extensions;	3035	load_extensions;
		3036
		3037	$TICK_WATCHER->start;
2016	Event::loop;	3038	Event::loop;
2017	}	3039	}
2018		3040
2019	#############################################################################	3041	#############################################################################
2020	# initialisation	3042	# initialisation and cleanup
2021		3043
		3044	# install some emergency cleanup handlers
		3045	BEGIN {
		3046	for my $signal (qw(INT HUP TERM)) {
		3047	Event->signal (
		3048	reentrant => 0,
		3049	data => WF_AUTOCANCEL,
		3050	signal => $signal,
		3051	prio => 0,
		3052	cb => sub {
		3053	cf::cleanup "SIG$signal";
		3054	},
		3055	);
		3056	}
		3057	}
		3058
		3059	sub write_runtime {
		3060	my $runtime = "$LOCALDIR/runtime";
		3061
		3062	# first touch the runtime file to show we are still running:
		3063	# the fsync below can take a very very long time.
		3064
		3065	IO::AIO::aio_utime $runtime, undef, undef;
		3066
		3067	my $guard = cf::lock_acquire "write_runtime";
		3068
		3069	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3070	or return;
		3071
		3072	my $value = $cf::RUNTIME + 90 + 10;
		3073	# 10 is the runtime save interval, for a monotonic clock
		3074	# 60 allows for the watchdog to kill the server.
		3075
		3076	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3077	and return;
		3078
		3079	# always fsync - this file is important
		3080	aio_fsync $fh
		3081	and return;
		3082
		3083	# touch it again to show we are up-to-date
		3084	aio_utime $fh, undef, undef;
		3085
		3086	close $fh
		3087	or return;
		3088
		3089	aio_rename "$runtime~", $runtime
		3090	and return;
		3091
		3092	warn "runtime file written.\n";
		3093
		3094	1
		3095	}
		3096
		3097	sub emergency_save() {
		3098	my $freeze_guard = cf::freeze_mainloop;
		3099
		3100	warn "enter emergency perl save\n";
		3101
		3102	cf::sync_job {
		3103	# use a peculiar iteration method to avoid tripping on perl
		3104	# refcount bugs in for. also avoids problems with players
		3105	# and maps saved/destroyed asynchronously.
		3106	warn "begin emergency player save\n";
		3107	for my $login (keys %cf::PLAYER) {
		3108	my $pl = $cf::PLAYER{$login} or next;
		3109	$pl->valid or next;
		3110	$pl->save;
		3111	}
		3112	warn "end emergency player save\n";
		3113
		3114	warn "begin emergency map save\n";
		3115	for my $path (keys %cf::MAP) {
		3116	my $map = $cf::MAP{$path} or next;
		3117	$map->valid or next;
		3118	$map->save;
		3119	}
		3120	warn "end emergency map save\n";
		3121
		3122	warn "begin emergency database checkpoint\n";
		3123	BDB::db_env_txn_checkpoint $DB_ENV;
		3124	warn "end emergency database checkpoint\n";
		3125	};
		3126
		3127	warn "leave emergency perl save\n";
		3128	}
		3129
		3130	sub post_cleanup {
		3131	my ($make_core) = @_;
		3132
		3133	warn Carp::longmess "post_cleanup backtrace"
		3134	if $make_core;
		3135	}
		3136
2022	sub reload() {	3137	sub do_reload_perl() {
2023	# can/must only be called in main	3138	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	3139	if ($Coro::current != $Coro::main) {
2025	warn "can only reload from main coroutine\n";	3140	warn "can only reload from main coroutine";
2026	return;	3141	return;
2027	}	3142	}
2028		3143
2029	warn "reloading...";	3144	warn "reloading...";
2030		3145
2031	my $guard = freeze_mainloop;	3146	warn "entering sync_job";
		3147
		3148	cf::sync_job {
		3149	cf::write_runtime; # external watchdog should not bark
2032	cf::emergency_save;	3150	cf::emergency_save;
		3151	cf::write_runtime; # external watchdog should not bark
2033		3152
2034	eval {	3153	warn "syncing database to disk";
		3154	BDB::db_env_txn_checkpoint $DB_ENV;
		3155
2035	# if anything goes wrong in here, we should simply crash as we already saved	3156	# if anything goes wrong in here, we should simply crash as we already saved
2036		3157
2037	# cancel all watchers	3158	warn "cancelling all WF_AUTOCANCEL watchers";
2038	for (Event::all_watchers) {	3159	for (Event::all_watchers) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	3160	$_->cancel if $_->data & WF_AUTOCANCEL;
2040	}	3161	}
2041		3162
		3163	warn "flushing outstanding aio requests";
		3164	for (;;) {
		3165	BDB::flush;
		3166	IO::AIO::flush;
		3167	Coro::cede;
		3168	last unless IO::AIO::nreqs || BDB::nreqs;
		3169	warn "iterate...";
		3170	}
		3171
		3172	++$RELOAD;
		3173
2042	# cancel all extension coros	3174	warn "cancelling all extension coros";
2043	$_->cancel for values %EXT_CORO;	3175	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();	3176	%EXT_CORO = ();
2045		3177
2046	# unload all extensions	3178	warn "removing commands";
2047	for (@exts) {	3179	%COMMAND = ();
		3180
		3181	warn "removing ext/exti commands";
		3182	%EXTCMD = ();
		3183	%EXTICMD = ();
		3184
		3185	warn "unloading/nuking all extensions";
		3186	for my $pkg (@EXTS) {
2048	warn "unloading <$_>";	3187	warn "... unloading $pkg";
2049	unload_extension $_;	3188
		3189	if (my $cb = $pkg->can ("unload")) {
		3190	eval {
		3191	$cb->($pkg);
		3192	1
		3193	} or warn "$pkg unloaded, but with errors: $@";
2050	}	3194	}
2051		3195
		3196	warn "... nuking $pkg";
		3197	Symbol::delete_package $pkg;
		3198	}
		3199
2052	# unload all modules loaded from $LIBDIR	3200	warn "unloading all perl modules loaded from $LIBDIR";
2053	while (my ($k, $v) = each %INC) {	3201	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3202	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055		3203
2056	warn "removing <$k>";	3204	warn "... unloading $k";
2057	delete $INC{$k};	3205	delete $INC{$k};
2058		3206
2059	$k =~ s/\.pm$//;	3207	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;	3208	$k =~ s/\//::/g;
2061		3209
…		…
2064	}	3212	}
2065		3213
2066	Symbol::delete_package $k;	3214	Symbol::delete_package $k;
2067	}	3215	}
2068		3216
2069	# sync database to disk
2070	cf::db_sync;
2071	IO::AIO::flush;
2072
2073	# get rid of safe::, as good as possible	3217	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	3218	Symbol::delete_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3219	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		3220
2077	# remove register_script_function callbacks
2078	# TODO
2079
2080	# unload cf.pm "a bit"	3221	warn "unloading cf.pm \"a bit\"";
2081	delete $INC{"cf.pm"};	3222	delete $INC{"cf.pm"};
		3223	delete $INC{"cf/pod.pm"};
2082		3224
2083	# don't, removes xs symbols, too,	3225	# don't, removes xs symbols, too,
2084	# and global variables created in xs	3226	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	3227	#Symbol::delete_package __PACKAGE__;
2086		3228
2087	# reload cf.pm	3229	warn "unload completed, starting to reload now";
		3230
2088	warn "reloading cf.pm";	3231	warn "reloading cf.pm";
2089	require cf;	3232	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3233	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091		3234
2092	# load config and database again	3235	warn "loading config and database again";
2093	cf::cfg_load;	3236	cf::reload_config;
2094	cf::db_load;
2095		3237
2096	# load extensions
2097	warn "load extensions";	3238	warn "loading extensions";
2098	cf::load_extensions;	3239	cf::load_extensions;
2099		3240
2100	# reattach attachments to objects	3241	warn "reattaching attachments to objects/players";
2101	warn "reattach";	3242	_global_reattach; # objects, sockets
2102	_global_reattach;	3243	warn "reattaching attachments to maps";
2103	};	3244	reattach $_ for values %MAP;
		3245	warn "reattaching attachments to players";
		3246	reattach $_ for values %PLAYER;
2104		3247
2105	if ($@) {	3248	warn "leaving sync_job";
		3249
		3250	1
		3251	} or do {
2106	warn $@;	3252	warn $@;
2107	warn "error while reloading, exiting.";	3253	warn "error while reloading, exiting.";
2108	exit 1;	3254	exit 1;
2109	}	3255	};
2110		3256
2111	warn "reloaded successfully";	3257	warn "reloaded";
2112	};	3258	};
2113		3259
2114	#############################################################################	3260	our $RELOAD_WATCHER; # used only during reload
2115		3261
2116	unless ($LINK_MAP) {	3262	sub reload_perl() {
2117	$LINK_MAP = cf::map::new;	3263	# doing reload synchronously and two reloads happen back-to-back,
		3264	# coro crashes during coro_state_free->destroy here.
2118		3265
2119	$LINK_MAP->width (41);	3266	$RELOAD_WATCHER ||= Event->timer (
2120	$LINK_MAP->height (41);	3267	reentrant => 0,
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,	3268	after => 0,
		3269	data => WF_AUTOCANCEL,
2129	cb => sub {	3270	cb => sub {
2130	$_[0]->w->cancel;	3271	do_reload_perl;
2131		3272	undef $RELOAD_WATCHER;
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});	3273	},
2150		3274	);
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}	3275	}
2156
2157	register "<global>", __PACKAGE__;
2158		3276
2159	register_command "reload" => sub {	3277	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	3278	my ($who, $arg) = @_;
2161		3279
2162	if ($who->flag (FLAG_WIZ)) {	3280	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");
2164	reload;
2165	$who->message ("end of reload.");	3281	$who->message ("reloading server.");
		3282	async { reload_perl };
2166	}	3283	}
2167	};	3284	};
2168		3285
2169	unshift @INC, $LIBDIR;	3286	unshift @INC, $LIBDIR;
2170		3287
		3288	my $bug_warning = 0;
		3289
		3290	our @WAIT_FOR_TICK;
		3291	our @WAIT_FOR_TICK_BEGIN;
		3292
		3293	sub wait_for_tick {
		3294	return unless $TICK_WATCHER->is_active;
		3295	return if $Coro::current == $Coro::main;
		3296
		3297	my $signal = new Coro::Signal;
		3298	push @WAIT_FOR_TICK, $signal;
		3299	$signal->wait;
		3300	}
		3301
		3302	sub wait_for_tick_begin {
		3303	return unless $TICK_WATCHER->is_active;
		3304	return if $Coro::current == $Coro::main;
		3305
		3306	my $signal = new Coro::Signal;
		3307	push @WAIT_FOR_TICK_BEGIN, $signal;
		3308	$signal->wait;
		3309	}
		3310
		3311	my $min = 1e6;#d#
		3312	my $avg = 10;
2171	$TICK_WATCHER = Event->timer (	3313	$TICK_WATCHER = Event->timer (
2172	reentrant => 0,	3314	reentrant => 0,
		3315	parked => 1,
2173	prio => 0,	3316	prio => 0,
2174	at => $NEXT_TICK || $TICK,	3317	at => $NEXT_TICK || $TICK,
2175	data => WF_AUTOCANCEL,	3318	data => WF_AUTOCANCEL,
2176	cb => sub {	3319	cb => sub {
		3320	if ($Coro::current != $Coro::main) {
		3321	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3322	unless ++$bug_warning > 10;
		3323	return;
		3324	}
		3325
		3326	$NOW = $tick_start = Event::time;
		3327
2177	cf::server_tick; # one server iteration	3328	cf::server_tick; # one server iteration
		3329
		3330	0 && sync_job {#d#
		3331	for(1..10) {
		3332	my $t = Event::time;
		3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3334	or die;
		3335
		3336	$map->width (50);
		3337	$map->height (50);
		3338	$map->alloc;
		3339	$map->_load_objects ("/tmp/x.map", 1);
		3340	my $t = Event::time - $t;
		3341
		3342	#next unless $t < 0.0013;#d#
		3343	if ($t < $min) {
		3344	$min = $t;
		3345	}
		3346	$avg = $avg * 0.99 + $t * 0.01;
		3347	}
		3348	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3349	exit 0;
		3350	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3351	};
		3352
2178	$RUNTIME += $TICK;	3353	$RUNTIME += $TICK;
2179	$NEXT_TICK += $TICK;	3354	$NEXT_TICK += $TICK;
2180		3355
		3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3357	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3358	Coro::async_pool {
		3359	write_runtime
		3360	or warn "ERROR: unable to write runtime file: $!";
		3361	};
		3362	}
		3363
		3364	# my $AFTER = Event::time;
		3365	# warn $AFTER - $NOW;#d#
		3366
		3367	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3368	$sig->send;
		3369	}
		3370	while (my $sig = shift @WAIT_FOR_TICK) {
		3371	$sig->send;
		3372	}
		3373
		3374	$NOW = Event::time;
		3375
2181	# if we are delayed by four ticks or more, skip them all	3376	# if we are delayed by four ticks or more, skip them all
2182	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3377	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2183		3378
2184	$TICK_WATCHER->at ($NEXT_TICK);	3379	$TICK_WATCHER->at ($NEXT_TICK);
2185	$TICK_WATCHER->start;	3380	$TICK_WATCHER->start;
		3381
		3382	$LOAD = ($NOW - $tick_start) / $TICK;
		3383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3384
		3385	_post_tick;
		3386
		3387
2186	},	3388	},
2187	);	3389	);
2188		3390
		3391	{
2189	IO::AIO::max_poll_time $TICK * 0.2;	3392	BDB::max_poll_time $TICK * 0.1;
2190		3393	$BDB_POLL_WATCHER = Event->io (
2191	Event->io (	3394	reentrant => 0,
2192	fd => IO::AIO::poll_fileno,	3395	fd => BDB::poll_fileno,
2193	poll => 'r',	3396	poll => 'r',
2194	prio => 5,	3397	prio => 0,
2195	data => WF_AUTOCANCEL,
2196	cb => \&IO::AIO::poll_cb,
2197	);
2198
2199	Event->timer (
2200	data => WF_AUTOCANCEL,	3398	data => WF_AUTOCANCEL,
2201	after => 0,	3399	cb => \&BDB::poll_cb,
2202	interval => 10,	3400	);
2203	cb => sub {	3401	BDB::min_parallel 8;
2204	(Coro::unblock_sub {	3402
2205	write_runtime	3403	BDB::set_sync_prepare {
2206	or warn "ERROR: unable to write runtime file: $!";	3404	my $status;
		3405	my $current = $Coro::current;
		3406	(
		3407	sub {
		3408	$status = $!;
		3409	$current->ready; undef $current;
		3410	},
		3411	sub {
		3412	Coro::schedule while defined $current;
		3413	$! = $status;
		3414	},
		3415	)
		3416	};
		3417
		3418	unless ($DB_ENV) {
		3419	$DB_ENV = BDB::db_env_create;
		3420
		3421	cf::sync_job {
		3422	eval {
		3423	BDB::db_env_open
		3424	$DB_ENV,
		3425	$BDBDIR,
		3426	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3427	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3428	0666;
		3429
		3430	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3431
		3432	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3433	$DB_ENV->set_lk_detect;
		3434	};
		3435
		3436	cf::cleanup "db_env_open(db): $@" if $@;
2207	})->();	3437	};
2208	},	3438	}
2209	);	3439	}
		3440
		3441	{
		3442	IO::AIO::min_parallel 8;
		3443
		3444	undef $Coro::AIO::WATCHER;
		3445	IO::AIO::max_poll_time $TICK * 0.1;
		3446	$AIO_POLL_WATCHER = Event->io (
		3447	reentrant => 0,
		3448	data => WF_AUTOCANCEL,
		3449	fd => IO::AIO::poll_fileno,
		3450	poll => 'r',
		3451	prio => 6,
		3452	cb => \&IO::AIO::poll_cb,
		3453	);
		3454	}
		3455
		3456	my $_log_backtrace;
		3457
		3458	sub _log_backtrace {
		3459	my ($msg, @addr) = @_;
		3460
		3461	$msg =~ s/\n//;
		3462
		3463	# limit the # of concurrent backtraces
		3464	if ($_log_backtrace < 2) {
		3465	++$_log_backtrace;
		3466	async {
		3467	my @bt = fork_call {
		3468	@addr = map { sprintf "%x", $_ } @addr;
		3469	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3470	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3471	or die "addr2line: $!";
		3472
		3473	my @funcs;
		3474	my @res = <$fh>;
		3475	chomp for @res;
		3476	while (@res) {
		3477	my ($func, $line) = splice @res, 0, 2, ();
		3478	push @funcs, "[$func] $line";
		3479	}
		3480
		3481	@funcs
		3482	};
		3483
		3484	LOG llevInfo, "[ABT] $msg\n";
		3485	LOG llevInfo, "[ABT] $_\n" for @bt;
		3486	--$_log_backtrace;
		3487	};
		3488	} else {
		3489	LOG llevInfo, "[ABT] $msg\n";
		3490	LOG llevInfo, "[ABT] [suppressed]\n";
		3491	}
		3492	}
		3493
		3494	# load additional modules
		3495	use cf::pod;
2210		3496
2211	END { cf::emergency_save }	3497	END { cf::emergency_save }
2212		3498
2213	1	3499	1
2214		3500

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