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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.139 by root, Fri Jan 5 19:12:03 2007 UTC vs.
Revision 1.342 by root, Sun Aug 26 15:31:02 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS 1.4 ();
		27	use BDB ();
		28	use Data::Dumper;
20	use Digest::MD5;	29	use Digest::MD5;
21	use Fcntl;	30	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.32 ();
24	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
25		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
27		44
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
30		47
31	$Coro::main->prio (Coro::PRIO_MAX); # 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
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
226	sub freeze_mainloop {	318	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
228		320
229	my $guard = Coro::guard { $TICK_WATCHER->start };	321	my $guard = Coro::guard {
		322	$TICK_WATCHER->start;
		323	};
230	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
231	$guard	325	$guard
232	}	326	}
233		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
234	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
235		395
236	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)
237	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
238	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.
239		400
240	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
241	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
242	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
243	fast or be very important.	404	fast or be very important.
…		…
246		407
247	sub sync_job(&) {	408	sub sync_job(&) {
248	my ($job) = @_;	409	my ($job) = @_;
249		410
250	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
251	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
252	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
253		416
254	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
255	# (but this is cancel-safe)	418	# (but this is cancel-safe)
256	my $freeze_guard = freeze_mainloop;	419	my $freeze_guard = freeze_mainloop;
257		420
258	my $busy = 1;	421	my $busy = 1;
259	my @res;	422	my @res;
260		423
261	(Coro::async_pool {	424	(async {
262	@res = eval { $job->() };	425	@res = eval { $job->() };
263	warn $@ if $@;	426	warn $@ if $@;
264	undef $busy;	427	undef $busy;
265	})->prio (Coro::PRIO_MAX);	428	})->prio (Coro::PRIO_MAX);
266		429
267	while ($busy) {	430	while ($busy) {
268	unless (Coro::cede) {	431	Coro::cede or Event::one_event;
269	Coro::nready ? Event::one_event 0 : Event::one_event;
270	Coro::cede_notself unless Coro::cede;
271	}	432	}
272	}	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
273		440
274	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
275	} else {	442	} else {
276	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
277		444
278	$job->()	445	$job->()
279	}	446	}
280	}	447	}
281		448
282	=item $coro = cf::coro { BLOCK }	449	=item $coro = cf::async_ext { BLOCK }
283		450
284	Creates (and readies) and returns a new coro. This coro is automcatially	451	Like async, but this coro is automatically being canceled when the
285	being canceled when the extension calling this is being unloaded.	452	extension calling this is being unloaded.
286		453
287	=cut	454	=cut
288		455
289	sub coro(&) {	456	sub async_ext(&) {
290	my $cb = shift;	457	my $cb = shift;
291		458
292	my $coro = &Coro::async_pool ($cb);	459	my $coro = &Coro::async ($cb);
293		460
294	$coro->on_destroy (sub {	461	$coro->on_destroy (sub {
295	delete $EXT_CORO{$coro+0};	462	delete $EXT_CORO{$coro+0};
296	});	463	});
297	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
298		465
299	$coro	466	$coro
300	}	467	}
301		468
302	sub write_runtime {	469	=item fork_call { }, $args
303	my $runtime = cf::localdir . "/runtime";
304		470
305	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
306	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.
307		475
308	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	476	=cut
309	(aio_write $fh, 0, (length $value), $value, 0) <= 0
310	and return;
311		477
312	aio_fsync $fh	478	sub fork_call(&@) {
313	and return;	479	my ($cb, @args) = @_;
314		480
315	close $fh	481	# we seemingly have to make a local copy of the whole thing,
316	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
317		484
318	aio_rename "$runtime~", $runtime	485	my @res = Coro::Util::fork_eval {
319	and return;	486	reset_signals;
		487	&$cb
		488	}, @args;
320		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	};
321	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 });
322	}	618	}
323		619
324	=back	620	=back
325		621
326	=cut	622	=cut
327
328	#############################################################################
329
330	package cf::path;
331
332	sub new {
333	my ($class, $path, $base) = @_;
334
335	$path = $path->as_string if ref $path;
336
337	my $self = bless { }, $class;
338
339	# {... are special paths that are not touched
340	# ?xxx/... are special absolute paths
341	# ?random/... random maps
342	# /! non-realised random map exit
343	# /... normal maps
344	# ~/... per-player maps without a specific player (DO NOT USE)
345	# ~user/... per-player map of a specific user
346
347	if ($path =~ /^{/) {
348	# fine as it is
349	} elsif ($path =~ s{^\?random/}{}) {
350	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
351	$self->{random} = cf::from_json $data;
352	} else {
353	if ($path =~ s{^~([^/]+)?}{}) {
354	$self->{user_rel} = 1;
355
356	if (defined $1) {
357	$self->{user} = $1;
358	} elsif ($base =~ m{^~([^/]+)/}) {
359	$self->{user} = $1;
360	} else {
361	warn "cannot resolve user-relative path without user <$path,$base>\n";
362	}
363	} elsif ($path =~ /^\//) {
364	# already absolute
365	} else {
366	$base =~ s{[^/]+/?$}{};
367	return $class->new ("$base/$path");
368	}
369
370	for ($path) {
371	redo if s{/\.?/}{/};
372	redo if s{/[^/]+/\.\./}{/};
373	}
374	}
375
376	$self->{path} = $path;
377
378	$self
379	}
380
381	# the name / primary key / in-game path
382	sub as_string {
383	my ($self) = @_;
384
385	$self->{user_rel} ? "~$self->{user}$self->{path}"
386	: $self->{random} ? "?random/$self->{path}"
387	: $self->{path}
388	}
389
390	# the displayed name, this is a one way mapping
391	sub visible_name {
392	my ($self) = @_;
393
394	# if (my $rmp = $self->{random}) {
395	# # todo: be more intelligent about this
396	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
397	# } else {
398	$self->as_string
399	# }
400	}
401
402	# escape the /'s in the path
403	sub _escaped_path {
404	# ∕ is U+2215
405	(my $path = $_[0]{path}) =~ s/\//∕/g;
406	$path
407	}
408
409	# the original (read-only) location
410	sub load_path {
411	my ($self) = @_;
412
413	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
414	}
415
416	# the temporary/swap location
417	sub save_path {
418	my ($self) = @_;
419
420	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
421	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
422	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
423	}
424
425	# the unique path, might be eq to save_path
426	sub uniq_path {
427	my ($self) = @_;
428
429	$self->{user_rel} || $self->{random}
430	? undef
431	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
432	}
433
434	# return random map parameters, or undef
435	sub random_map_params {
436	my ($self) = @_;
437
438	$self->{random}
439	}
440
441	# this is somewhat ugly, but style maps do need special treatment
442	sub is_style_map {
443	$_[0]{path} =~ m{^/styles/}
444	}
445
446	package cf;
447		623
448	#############################################################################	624	#############################################################################
449		625
450	=head2 ATTACHABLE OBJECTS	626	=head2 ATTACHABLE OBJECTS
451		627
…		…
453	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")
454	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
455		631
456	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>
457	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
458	crossfire+).	634	Crossfire TRT).
459		635
460	=over 4	636	=over 4
461		637
462	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
463		639
…		…
577	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
578	our @CB_MAP = ();	754	our @CB_MAP = ();
579		755
580	my %attachment;	756	my %attachment;
581		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
582	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
583	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
584		766
585	use sort 'stable';	767	use sort 'stable';
586		768
…		…
620	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
621		803
622	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
623	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
624	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
625	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
626		808
627	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
628	my $pkg = shift @arg;	810	my $pkg = shift @arg;
629		811
630	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
659	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
660	}	842	}
661		843
662	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
663	} else {	845	} else {
664	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
665	}	847	}
666		848
667	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
668	}	850	}
669		851
…		…
671	if (ref $_[0]) {	853	if (ref $_[0]) {
672	_object_attach @_;	854	_object_attach @_;
673	} else {	855	} else {
674	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
675	}	857	}
		858	_recalc_want;
676	};	859	};
677		860
678	# all those should be optimised	861	# all those should be optimised
679	sub cf::attachable::detach {	862	sub cf::attachable::detach {
680	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
683	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
684	reattach ($obj);	867	reattach ($obj);
685	} else {	868	} else {
686	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
687	}	870	}
		871	_recalc_want;
688	};	872	};
689		873
690	sub cf::attachable::attached {	874	sub cf::attachable::attached {
691	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
692		876
…		…
707	";	891	";
708	die if $@;	892	die if $@;
709	}	893	}
710		894
711	our $override;	895	our $override;
712	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?
713		897
714	sub override {	898	sub override {
715	$override = 1;	899	$override = 1;
716	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
717	}	901	}
718		902
719	sub do_invoke {	903	sub do_invoke {
720	my $event = shift;	904	my $event = shift;
721	my $callbacks = shift;	905	my $callbacks = shift;
722		906
723	@invoke_results = ();	907	@INVOKE_RESULTS = ();
724		908
725	local $override;	909	local $override;
726		910
727	for (@$callbacks) {	911	for (@$callbacks) {
728	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
745		929
746	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
747		931
748	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
749	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
750	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
751		935
752	=back	936	=back
753		937
754	=cut	938	=cut
755		939
756	#############################################################################	940	#############################################################################
757	# 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	}
758		953
759	sub reattach {	954	sub reattach {
760	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
761	my ($obj) = @_;	956	my ($obj) = @_;
		957
		958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
762		959
763	my $registry = $obj->registry;	960	my $registry = $obj->registry;
764		961
765	@$registry = ();	962	@$registry = ();
766		963
…		…
813	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
814		1011
815	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
816	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
817	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
818	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
819	close $fh;	1016	close $fh;
820		1017
821	if (@$objs) {	1018	if (@$objs) {
822	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) {
823	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
824	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
825	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
826	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	1024	close $fh;
828	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
829	}	1026	}
830	} else {	1027	} else {
831	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
863	or return;	1060	or return;
864	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
865	}	1062	}
866		1063
867	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
868	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
869	return ($data, $av);	1066	return ($data, $av);
870	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
871		1074
872	#############################################################################	1075	#############################################################################
873	# command handling &c	1076	# command handling &c
874		1077
875	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
888	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
889	}	1092	}
890		1093
891	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
892		1095
893	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.
894		1101
895	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
896	called.	1103	called.
897		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
898	=cut	1116	=cut
899		1117
900	sub register_extcmd {	1118	sub register_extcmd {
901	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
902		1120
903	my $caller = caller;
904	#warn "registering extcmd '$name' to '$caller'";
905
906	$EXTCMD{$name} = [$cb, $caller];	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
907	}	1128	}
908		1129
909	cf::player->attach (	1130	cf::player->attach (
910	on_command => sub {	1131	on_command => sub {
911	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
920	cf::override;	1141	cf::override;
921	},	1142	},
922	on_extcmd => sub {	1143	on_extcmd => sub {
923	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
924		1145
925	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
926		1147
927	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
928	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
929	if (my %reply = $cb->[0]->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
930	$pl->ext_reply ($msg->{msgid}, %reply);
931	}
932	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
933	} else {	1163	} else {
934	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
935	}	1165	}
936		1166
937	cf::override;	1167	cf::override;
938	},	1168	},
939	);	1169	);
940		1170
941	sub register {
942	my ($base, $pkg) = @_;
943
944	#TODO
945	}
946
947	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($) {
948	my ($path) = @_;	1543	my ($path) = @_;
949		1544
950	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1545	my ($match, $specificity);
951	my $base = $1;
952	my $pkg = $1;
953	$pkg =~ s/[^[:word:]]/_/g;
954	$pkg = "ext::$pkg";
955		1546
956	warn "loading '$path' into '$pkg'\n";	1547	for my $region (list) {
957		1548	if ($region->{match} && $path =~ $region->{match}) {
958	open my $fh, "<:utf8", $path	1549	($match, $specificity) = ($region, $region->specificity)
959	or die "$path: $!";	1550	if $region->specificity > $specificity;
960		1551	}
961	my $source =
962	"package $pkg; use strict; use utf8;\n"
963	. "#line 1 \"$path\"\n{\n"
964	. (do { local $/; <$fh> })
965	. "\n};\n1";
966
967	eval $source
968	or die $@ ? "$path: $@\n"
969	: "extension disabled.\n";
970
971	push @exts, $pkg;
972	$ext_pkg{$base} = $pkg;
973
974	# no strict 'refs';
975	# @{"$pkg\::ISA"} = ext::;
976
977	register $base, $pkg;
978	}
979
980	sub unload_extension {
981	my ($pkg) = @_;
982
983	warn "removing extension $pkg\n";
984
985	# remove hooks
986	#TODO
987	# for my $idx (0 .. $#PLUGIN_EVENT) {
988	# delete $hook[$idx]{$pkg};
989	# }	1552	}
990		1553
991	# remove commands	1554	$match
992	for my $name (keys %COMMAND) {
993	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
994
995	if (@cb) {
996	$COMMAND{$name} = \@cb;
997	} else {
998	delete $COMMAND{$name};
999	}
1000	}
1001
1002	# remove extcmds
1003	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1004	delete $EXTCMD{$name};
1005	}
1006
1007	if (my $cb = $pkg->can ("unload")) {
1008	eval {
1009	$cb->($pkg);
1010	1
1011	} or warn "$pkg unloaded, but with errors: $@";
1012	}
1013
1014	Symbol::delete_package $pkg;
1015	}
1016
1017	sub load_extensions {
1018	for my $ext (<$LIBDIR/*.ext>) {
1019	next unless -r $ext;
1020	eval {
1021	load_extension $ext;
1022	1
1023	} or warn "$ext not loaded: $@";
1024	}
1025	}
1026
1027	#############################################################################
1028	# load/save/clean perl data associated with a map
1029
1030	*cf::mapsupport::on_clean = sub {
1031	my ($map) = @_;
1032
1033	my $path = $map->tmpname;
1034	defined $path or return;
1035
1036	unlink "$path.pst";
1037	};
1038
1039	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1040
1041	#############################################################################
1042	# load/save perl data associated with player->ob objects
1043
1044	sub all_objects(@) {
1045	@_, map all_objects ($_->inv), @_
1046	}
1047
1048	# TODO: compatibility cruft, remove when no longer needed
1049	cf::player->attach (
1050	on_load => sub {
1051	my ($pl, $path) = @_;
1052
1053	for my $o (all_objects $pl->ob) {
1054	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1055	$o->set_ob_key_value ("_perl_data");
1056
1057	%$o = %{ Storable::thaw pack "H*", $value };
1058	}
1059	}
1060	},
1061	);
1062
1063	#############################################################################
1064
1065	=head2 CORE EXTENSIONS
1066
1067	Functions and methods that extend core crossfire objects.
1068
1069	=head3 cf::player
1070
1071	=over 4
1072
1073	=item cf::player::exists $login
1074
1075	Returns true when the given account exists.
1076
1077	=cut
1078
1079	sub cf::player::exists($) {
1080	cf::player::find $_[0]
1081	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1082	}
1083
1084	=item $player->ext_reply ($msgid, $msgtype, %msg)
1085
1086	Sends an ext reply to the player.
1087
1088	=cut
1089
1090	sub cf::player::ext_reply($$$%) {
1091	my ($self, $id, %msg) = @_;
1092
1093	$msg{msgid} = $id;
1094
1095	$self->send ("ext " . to_json \%msg);
1096	}	1555	}
1097		1556
1098	=back	1557	=back
1099
1100		1558
1101	=head3 cf::map	1559	=head3 cf::map
1102		1560
1103	=over 4	1561	=over 4
1104		1562
…		…
1107	package cf::map;	1565	package cf::map;
1108		1566
1109	use Fcntl;	1567	use Fcntl;
1110	use Coro::AIO;	1568	use Coro::AIO;
1111		1569
		1570	use overload
		1571	'""' => \&as_string,
		1572	fallback => 1;
		1573
1112	our $MAX_RESET = 3600;	1574	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1575	our $DEFAULT_RESET = 3000;
1114		1576
1115	sub generate_random_map {	1577	sub generate_random_map {
1116	my ($path, $rmp) = @_;	1578	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1579	# mit "rum" bekleckern, nicht
1119	cf::map::_create_random_map	1580	$self->_create_random_map (
1120	$path,
1121	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1122	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1123	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1124	$rmp->{exit_on_final_map},	1584	$rmp->{exit_on_final_map},
1125	$rmp->{xsize}, $rmp->{ysize},	1585	$rmp->{xsize}, $rmp->{ysize},
1126	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1586	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1127	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1587	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1128	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1588	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1129	$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},
1130	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1131	(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"
1132	}	1720	}
1133		1721
1134	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1135	# all maps in C++...	1723	# all maps in C++...
1136	sub change_all_map_light {	1724	sub change_all_map_light {
…		…
1138		1726
1139	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1140	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
1141	}	1729	}
1142		1730
		1731	sub decay_objects {
		1732	my ($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
1143	sub try_load_header($) {	1747	sub load_header_from($) {
1144	my ($path) = @_;	1748	my ($self, $path) = @_;
1145		1749
1146	utf8::encode $path;	1750	utf8::encode $path;
1147	aio_open $path, O_RDONLY, 0	1751	#aio_open $path, O_RDONLY, 0
		1752	# or return;
		1753
		1754	$self->_load_header ($path)
1148	or return;	1755	or return;
1149		1756
1150	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
1151	or return;	1800	or return;
		1801	$self->prepare_orig;
		1802	}
1152		1803
1153	# for better error messages only, will be overwritten	1804	$self->{deny_reset} = 1
1154	$map->path ($path);	1805	if $self->no_reset;
1155		1806
1156	$map->load_header ($path)	1807	$self->default_region (cf::region::find_by_path $self->{path})
1157	or return;	1808	unless $self->default_region;
1158		1809
1159	$map->{load_path} = $path;	1810	1
1160
1161	$map
1162	}	1811	}
1163		1812
1164	sub find;	1813	sub find;
1165	sub find {	1814	sub find {
1166	my ($path, $origin) = @_;	1815	my ($path, $origin) = @_;
1167		1816
1168	#warn "find<$path,$origin>\n";#d#
1169
1170	$path = new cf::path $path, $origin && $origin->path;	1817	$path = normalise $path, $origin && $origin->path;
1171	my $key = $path->as_string;
1172		1818
1173	cf::lock_wait "map_find:$key";	1819	cf::lock_wait "map_find:$path";
1174		1820
1175	$cf::MAP{$key} || do {	1821	$cf::MAP{$path} || do {
1176	my $guard = cf::lock_acquire "map_find:$key";	1822	my $guard = cf::lock_acquire "map_find:$path";
1177		1823	my $map = new_from_path cf::map $path
1178	# do it the slow way
1179	my $map = try_load_header $path->save_path;
1180
1181	Coro::cede;
1182
1183	if ($map) {
1184	$map->last_access ((delete $map->{last_access})
1185	|| $cf::RUNTIME); #d#
1186	# safety
1187	$map->{instantiate_time} = $cf::RUNTIME
1188	if $map->{instantiate_time} > $cf::RUNTIME;
1189	} else {
1190	if (my $rmp = $path->random_map_params) {
1191	$map = generate_random_map $key, $rmp;
1192	} else {
1193	$map = try_load_header $path->load_path;
1194	}
1195
1196	$map or return;	1824	or return;
1197		1825
1198	$map->{load_original} = 1;
1199	$map->{instantiate_time} = $cf::RUNTIME;
1200	$map->last_access ($cf::RUNTIME);
1201	$map->instantiate;
1202
1203	# per-player maps become, after loading, normal maps
1204	$map->per_player (0) if $path->{user_rel};
1205	}
1206
1207	$map->path ($key);
1208	$map->{path} = $path;
1209	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1210		1827
1211	Coro::cede;	1828	$map->load_header
		1829	or return;
1212		1830
1213	if ($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;
1214	$map->reset;	1834	$map->reset;
1215	undef $guard;	1835	undef $guard;
1216	$map = find $path	1836	return find $path;
1217	or return;
1218	}	1837	}
1219		1838
1220	$cf::MAP{$key} = $map	1839	$cf::MAP{$path} = $map
1221	}	1840	}
1222	}	1841	}
		1842
		1843	sub pre_load { }
		1844	sub post_load { }
1223		1845
1224	sub load {	1846	sub load {
1225	my ($self) = @_;	1847	my ($self) = @_;
1226		1848
		1849	local $self->{deny_reset} = 1; # loading can take a long time
		1850
1227	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
1228	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1854	my $guard = cf::lock_acquire "map_load:$path";
1229		1855
1230	return if $self->in_memory != cf::MAP_SWAPPED;	1856	return if $self->in_memory != cf::MAP_SWAPPED;
1231		1857
1232	$self->in_memory (cf::MAP_LOADING);	1858	$self->in_memory (cf::MAP_LOADING);
1233		1859
1234	$self->alloc;	1860	$self->alloc;
		1861
		1862	$self->pre_load;
		1863	Coro::cede;
		1864
1235	$self->load_objects ($self->{load_path}, 1)	1865	$self->_load_objects ($self->{load_path}, 1)
1236	or return;	1866	or return;
1237		1867
1238	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1239	if delete $self->{load_original};	1869	if delete $self->{load_original};
1240		1870
1241	if (my $uniq = $path->uniq_path) {	1871	if (my $uniq = $self->uniq_path) {
1242	utf8::encode $uniq;	1872	utf8::encode $uniq;
1243	if (aio_open $uniq, O_RDONLY, 0) {	1873	if (aio_open $uniq, O_RDONLY, 0) {
1244	$self->clear_unique_items;	1874	$self->clear_unique_items;
1245	$self->load_objects ($uniq, 0);	1875	$self->_load_objects ($uniq, 0);
1246	}	1876	}
1247	}	1877	}
1248		1878
1249	Coro::cede;	1879	Coro::cede;
1250
1251	# now do the right thing for maps	1880	# now do the right thing for maps
1252	$self->link_multipart_objects;	1881	$self->link_multipart_objects;
1253
1254	if ($self->{path}->is_style_map) {
1255	$self->{deny_save} = 1;
1256	$self->{deny_reset} = 1;
1257	} else {
1258	$self->fix_auto_apply;
1259	$self->decay_objects;
1260	$self->update_buttons;
1261	$self->set_darkness_map;
1262	$self->difficulty ($self->estimate_difficulty)	1882	$self->difficulty ($self->estimate_difficulty)
1263	unless $self->difficulty;	1883	unless $self->difficulty;
		1884	Coro::cede;
		1885
		1886	unless ($self->{deny_activate}) {
		1887	$self->decay_objects;
		1888	$self->fix_auto_apply;
		1889	$self->update_buttons;
		1890	Coro::cede;
		1891	$self->set_darkness_map;
		1892	Coro::cede;
1264	$self->activate;	1893	$self->activate;
1265	}	1894	}
1266		1895
1267	Coro::cede;	1896	$self->{last_save} = $cf::RUNTIME;
		1897	$self->last_access ($cf::RUNTIME);
1268		1898
1269	$self->in_memory (cf::MAP_IN_MEMORY);	1899	$self->in_memory (cf::MAP_IN_MEMORY);
		1900	}
		1901
		1902	$self->post_load;
		1903	}
		1904
		1905	sub customise_for {
		1906	my ($self, $ob) = @_;
		1907
		1908	return find "~" . $ob->name . "/" . $self->{path}
		1909	if $self->per_player;
		1910
		1911	# return find "?party/" . $ob->name . "/" . $self->{path}
		1912	# if $self->per_party;
		1913
		1914	$self
		1915	}
		1916
		1917	# find and load all maps in the 3x3 area around a map
		1918	sub load_neighbours {
		1919	my ($map) = @_;
		1920
		1921	my @neigh; # diagonal neighbours
		1922
		1923	for (0 .. 3) {
		1924	my $neigh = $map->tile_path ($_)
		1925	or next;
		1926	$neigh = find $neigh, $map
		1927	or next;
		1928	$neigh->load;
		1929
		1930	push @neigh,
		1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1933	}
		1934
		1935	for (grep defined $_->[0], @neigh) {
		1936	my ($path, $origin) = @$_;
		1937	my $neigh = find $path, $origin
		1938	or next;
		1939	$neigh->load;
		1940	}
1270	}	1941	}
1271		1942
1272	sub find_sync {	1943	sub find_sync {
1273	my ($path, $origin) = @_;	1944	my ($path, $origin) = @_;
1274		1945
1275	cf::sync_job {	1946	cf::sync_job { find $path, $origin }
1276	my $map = cf::map::find $path, $origin;
1277	$map
1278	}
1279	}	1947	}
1280		1948
1281	sub do_load_sync {	1949	sub do_load_sync {
1282	my ($map) = @_;	1950	my ($map) = @_;
1283		1951
		1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1953	if $Coro::current == $Coro::main;
		1954
1284	cf::sync_job { $map->load };	1955	cf::sync_job { $map->load };
		1956	}
		1957
		1958	our %MAP_PREFETCH;
		1959	our $MAP_PREFETCHER = undef;
		1960
		1961	sub find_async {
		1962	my ($path, $origin, $load) = @_;
		1963
		1964	$path = normalise $path, $origin && $origin->{path};
		1965
		1966	if (my $map = $cf::MAP{$path}) {
		1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1968	}
		1969
		1970	$MAP_PREFETCH{$path} |= $load;
		1971
		1972	$MAP_PREFETCHER ||= cf::async {
		1973	while (%MAP_PREFETCH) {
		1974	while (my ($k, $v) = each %MAP_PREFETCH) {
		1975	if (my $map = find $k) {
		1976	$map->load if $v;
		1977	}
		1978
		1979	delete $MAP_PREFETCH{$k};
		1980	}
		1981	}
		1982	undef $MAP_PREFETCHER;
		1983	};
		1984	$MAP_PREFETCHER->prio (6);
		1985
		1986	()
1285	}	1987	}
1286		1988
1287	sub save {	1989	sub save {
1288	my ($self) = @_;	1990	my ($self) = @_;
1289		1991
…		…
1291		1993
1292	$self->{last_save} = $cf::RUNTIME;	1994	$self->{last_save} = $cf::RUNTIME;
1293		1995
1294	return unless $self->dirty;	1996	return unless $self->dirty;
1295		1997
1296	my $save = $self->{path}->save_path; utf8::encode $save;	1998	my $save = $self->save_path; utf8::encode $save;
1297	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1999	my $uniq = $self->uniq_path; utf8::encode $uniq;
1298		2000
1299	$self->{load_path} = $save;	2001	$self->{load_path} = $save;
1300		2002
1301	return if $self->{deny_save};	2003	return if $self->{deny_save};
1302		2004
1303	local $self->{last_access} = $self->last_access;#d#	2005	local $self->{last_access} = $self->last_access;#d#
1304		2006
		2007	cf::async {
		2008	$_->contr->save for $self->players;
		2009	};
		2010
1305	if ($uniq) {	2011	if ($uniq) {
1306	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1307	$self->save_objects ($uniq, cf::IO_UNIQUES);	2013	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1308	} else {	2014	} else {
1309	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2015	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1310	}	2016	}
1311	}	2017	}
1312		2018
1313	sub swap_out {	2019	sub swap_out {
1314	my ($self) = @_;	2020	my ($self) = @_;
…		…
1328		2034
1329	sub reset_at {	2035	sub reset_at {
1330	my ($self) = @_;	2036	my ($self) = @_;
1331		2037
1332	# TODO: safety, remove and allow resettable per-player maps	2038	# TODO: safety, remove and allow resettable per-player maps
1333	return 1e99 if $self->{path}{user_rel};
1334	return 1e99 if $self->{deny_reset};	2039	return 1e99 if $self->{deny_reset};
1335		2040
1336	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2041	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1337	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2042	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1338		2043
…		…
1343	my ($self) = @_;	2048	my ($self) = @_;
1344		2049
1345	$self->reset_at <= $cf::RUNTIME	2050	$self->reset_at <= $cf::RUNTIME
1346	}	2051	}
1347		2052
1348	sub unlink_save {
1349	my ($self) = @_;
1350
1351	utf8::encode (my $save = $self->{path}->save_path);
1352	aioreq_pri 3; IO::AIO::aio_unlink $save;
1353	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1354	}
1355
1356	sub rename {
1357	my ($self, $new_path) = @_;
1358
1359	$self->unlink_save;
1360
1361	delete $cf::MAP{$self->path};
1362	$self->{path} = new cf::path $new_path;
1363	$self->path ($self->{path}->as_string);
1364	$cf::MAP{$self->path} = $self;
1365
1366	$self->save;
1367	}
1368
1369	sub reset {	2053	sub reset {
1370	my ($self) = @_;	2054	my ($self) = @_;
1371		2055
1372	my $lock = cf::lock_acquire "map_data:" . $self->path;	2056	my $lock = cf::lock_acquire "map_data:$self->{path}";
1373		2057
1374	return if $self->players;	2058	return if $self->players;
1375	return if $self->{path}{user_rel};#d#
1376		2059
1377	warn "resetting map ", $self->path;#d#	2060	warn "resetting map ", $self->path;
		2061
		2062	$self->in_memory (cf::MAP_SWAPPED);
		2063
		2064	# need to save uniques path
		2065	unless ($self->{deny_save}) {
		2066	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2067
		2068	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2069	if $uniq;
		2070	}
1378		2071
1379	delete $cf::MAP{$self->path};	2072	delete $cf::MAP{$self->path};
		2073
		2074	$self->clear;
1380		2075
1381	$_->clear_links_to ($self) for values %cf::MAP;	2076	$_->clear_links_to ($self) for values %cf::MAP;
1382		2077
1383	$self->unlink_save;	2078	$self->unlink_save;
1384	$self->destroy;	2079	$self->destroy;
…		…
1387	my $nuke_counter = "aaaa";	2082	my $nuke_counter = "aaaa";
1388		2083
1389	sub nuke {	2084	sub nuke {
1390	my ($self) = @_;	2085	my ($self) = @_;
1391		2086
		2087	delete $cf::MAP{$self->path};
		2088
		2089	$self->unlink_save;
		2090
		2091	bless $self, "cf::map";
		2092	delete $self->{deny_reset};
1392	$self->{deny_save} = 1;	2093	$self->{deny_save} = 1;
1393	$self->reset_timeout (1);	2094	$self->reset_timeout (1);
1394	$self->rename ("{nuke}/" . ($nuke_counter++));	2095	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2096
		2097	$cf::MAP{$self->path} = $self;
		2098
1395	$self->reset; # polite request, might not happen	2099	$self->reset; # polite request, might not happen
1396	}	2100	}
1397		2101
1398	sub customise_for {	2102	=item $maps = cf::map::tmp_maps
1399	my ($map, $ob) = @_;
1400		2103
1401	if ($map->per_player) {	2104	Returns an arrayref with all map paths of currently instantiated and saved
1402	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2105	maps. May block.
		2106
		2107	=cut
		2108
		2109	sub tmp_maps() {
1403	}	2110	[
1404		2111	map {
1405	$map	2112	utf8::decode $_;
		2113	/\.map$/
		2114	? normalise $_
		2115	: ()
		2116	} @{ aio_readdir $TMPDIR or [] }
		2117	]
1406	}	2118	}
1407		2119
1408	sub emergency_save {	2120	=item $maps = cf::map::random_maps
1409	my $freeze_guard = cf::freeze_mainloop;
1410		2121
1411	warn "enter emergency map save\n";	2122	Returns an arrayref with all map paths of currently instantiated and saved
		2123	random maps. May block.
1412		2124
1413	cf::sync_job {	2125	=cut
1414	warn "begin emergency map save\n";
1415	$_->save for values %cf::MAP;
1416	};
1417		2126
1418	warn "end emergency map save\n";	2127	sub random_maps() {
		2128	[
		2129	map {
		2130	utf8::decode $_;
		2131	/\.map$/
		2132	? normalise "?random/$_"
		2133	: ()
		2134	} @{ aio_readdir $RANDOMDIR or [] }
		2135	]
		2136	}
		2137
		2138	=item cf::map::unique_maps
		2139
		2140	Returns an arrayref of paths of all shared maps that have
		2141	instantiated unique items. May block.
		2142
		2143	=cut
		2144
		2145	sub unique_maps() {
		2146	[
		2147	map {
		2148	utf8::decode $_;
		2149	/\.map$/
		2150	? normalise $_
		2151	: ()
		2152	} @{ aio_readdir $UNIQUEDIR or [] }
		2153	]
1419	}	2154	}
1420		2155
1421	package cf;	2156	package cf;
1422		2157
1423	=back	2158	=back
1424		2159
		2160	=head3 cf::object
		2161
		2162	=cut
		2163
		2164	package cf::object;
		2165
		2166	=over 4
		2167
		2168	=item $ob->inv_recursive
		2169
		2170	Returns the inventory of the object _and_ their inventories, recursively.
		2171
		2172	=cut
		2173
		2174	sub inv_recursive_;
		2175	sub inv_recursive_ {
		2176	map { $_, inv_recursive_ $_->inv } @_
		2177	}
		2178
		2179	sub inv_recursive {
		2180	inv_recursive_ inv $_[0]
		2181	}
		2182
		2183	package cf;
		2184
		2185	=back
1425		2186
1426	=head3 cf::object::player	2187	=head3 cf::object::player
1427		2188
1428	=over 4	2189	=over 4
1429		2190
…		…
1443		2204
1444	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2205	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1445		2206
1446	if ($self->{record_replies}) {	2207	if ($self->{record_replies}) {
1447	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2208	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2209
1448	} else {	2210	} else {
		2211	my $pl = $self->contr;
		2212
		2213	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2214	my $dialog = $pl->{npc_dialog};
		2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2216
		2217	} else {
1449	$msg = $npc->name . " says: $msg" if $npc;	2218	$msg = $npc->name . " says: $msg" if $npc;
1450	$self->message ($msg, $flags);	2219	$self->message ($msg, $flags);
		2220	}
1451	}	2221	}
		2222	}
		2223
		2224	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2225
		2226	=cut
		2227
		2228	sub cf::object::send_msg {
		2229	my $pl = shift->contr
		2230	or return;
		2231	$pl->send_msg (@_);
1452	}	2232	}
1453		2233
1454	=item $player_object->may ("access")	2234	=item $player_object->may ("access")
1455		2235
1456	Returns wether the given player is authorized to access resource "access"	2236	Returns wether the given player is authorized to access resource "access"
…		…
1469		2249
1470	=item $player_object->enter_link	2250	=item $player_object->enter_link
1471		2251
1472	Freezes the player and moves him/her to a special map (C<{link}>).	2252	Freezes the player and moves him/her to a special map (C<{link}>).
1473		2253
1474	The player should be reaosnably safe there for short amounts of time. You	2254	The player should be reasonably safe there for short amounts of time. You
1475	I<MUST> call C<leave_link> as soon as possible, though.	2255	I<MUST> call C<leave_link> as soon as possible, though.
1476		2256
		2257	Will never block.
		2258
1477	=item $player_object->leave_link ($map, $x, $y)	2259	=item $player_object->leave_link ($map, $x, $y)
1478		2260
1479	Moves the player out of the specila link map onto the given map. If the	2261	Moves the player out of the special C<{link}> map onto the specified
1480	map is not valid (or omitted), the player will be moved back to the	2262	map. If the map is not valid (or omitted), the player will be moved back
1481	location he/she was before the call to C<enter_link>, or, if that fails,	2263	to the location he/she was before the call to C<enter_link>, or, if that
1482	to the emergency map position.	2264	fails, to the emergency map position.
1483		2265
1484	Might block.	2266	Might block.
1485		2267
1486	=cut	2268	=cut
		2269
		2270	sub link_map {
		2271	unless ($LINK_MAP) {
		2272	$LINK_MAP = cf::map::find "{link}"
		2273	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2274	$LINK_MAP->load;
		2275	}
		2276
		2277	$LINK_MAP
		2278	}
1487		2279
1488	sub cf::object::player::enter_link {	2280	sub cf::object::player::enter_link {
1489	my ($self) = @_;	2281	my ($self) = @_;
1490		2282
1491	$self->deactivate_recursive;	2283	$self->deactivate_recursive;
1492		2284
1493	return if $self->map == $LINK_MAP;	2285	return if UNIVERSAL::isa $self->map, "ext::map_link";
1494		2286
1495	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1496	if $self->map;	2288	if $self->map && $self->map->{path} ne "{link}";
1497		2289
1498	$self->enter_map ($LINK_MAP, 20, 20);	2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1499	}	2291	}
1500		2292
1501	sub cf::object::player::leave_link {	2293	sub cf::object::player::leave_link {
1502	my ($self, $map, $x, $y) = @_;	2294	my ($self, $map, $x, $y) = @_;
		2295
		2296	return unless $self->contr->active;
1503		2297
1504	my $link_pos = delete $self->{_link_pos};	2298	my $link_pos = delete $self->{_link_pos};
1505		2299
1506	unless ($map) {	2300	unless ($map) {
1507	# restore original map position	2301	# restore original map position
…		…
1521	# use -1 or undef as default coordinates, not 0, 0	2315	# use -1 or undef as default coordinates, not 0, 0
1522	($x, $y) = ($map->enter_x, $map->enter_y)	2316	($x, $y) = ($map->enter_x, $map->enter_y)
1523	if $x <=0 && $y <= 0;	2317	if $x <=0 && $y <= 0;
1524		2318
1525	$map->load;	2319	$map->load;
		2320	$map->load_neighbours;
1526		2321
		2322	return unless $self->contr->active;
1527	$self->activate_recursive;	2323	$self->activate_recursive;
		2324
		2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1528	$self->enter_map ($map, $x, $y);	2326	$self->enter_map ($map, $x, $y);
1529	}	2327	}
1530		2328
1531	cf::player->attach (	2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1532	on_logout => sub {
1533	my ($pl) = @_;
1534		2330
1535	# abort map switching before logout	2331	Moves the player to the given map-path and coordinates by first freezing
1536	if ($pl->ob->{_link_pos}) {	2332	her, loading and preparing them map, calling the provided $check callback
1537	cf::sync_job {	2333	that has to return the map if sucecssful, and then unfreezes the player on
1538	$pl->ob->leave_link	2334	the new (success) or old (failed) map position. In either case, $done will
1539	};	2335	be called at the end of this process.
1540	}
1541	},
1542	on_login => sub {
1543	my ($pl) = @_;
1544		2336
1545	# try to abort aborted map switching on player login :)
1546	# should happen only on crashes
1547	if ($pl->ob->{_link_pos}) {
1548
1549	$pl->ob->enter_link;
1550	(Coro::async_pool {
1551	# we need this sleep as the login has a concurrent enter_exit running
1552	# and this sleep increases chances of the player not ending up in scorn
1553	Coro::Timer::sleep 1;
1554	$pl->ob->leave_link;
1555	})->prio (2);
1556	}
1557	},
1558	);
1559
1560	=item $player_object->goto ($path, $x, $y)
1561
1562	=cut	2337	=cut
		2338
		2339	our $GOTOGEN;
1563		2340
1564	sub cf::object::player::goto {	2341	sub cf::object::player::goto {
1565	my ($self, $path, $x, $y) = @_;	2342	my ($self, $path, $x, $y, $check, $done) = @_;
		2343
		2344	# do generation counting so two concurrent goto's will be executed in-order
		2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1566		2346
1567	$self->enter_link;	2347	$self->enter_link;
1568		2348
1569	(Coro::async_pool {	2349	(async {
1570	$path = new cf::path $path;	2350	my $map = eval {
1571
1572	my $map = cf::map::find $path->as_string;	2351	my $map = cf::map::find $path;
		2352
		2353	if ($map) {
1573	$map = $map->customise_for ($self) if $map;	2354	$map = $map->customise_for ($self);
1574		2355	$map = $check->($map) if $check && $map;
1575	# warn "entering ", $map->path, " at ($x, $y)\n"	2356	} else {
1576	# if $map;
1577
1578	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	}
1579		2359
		2360	$map
		2361	};
		2362
		2363	if ($@) {
		2364	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2365	LOG llevError | logBacktrace, Carp::longmess $@;
		2366	}
		2367
		2368	if ($gen == $self->{_goto_generation}) {
		2369	delete $self->{_goto_generation};
1580	$self->leave_link ($map, $x, $y);	2370	$self->leave_link ($map, $x, $y);
		2371	}
		2372
		2373	$done->() if $done;
1581	})->prio (1);	2374	})->prio (1);
1582	}	2375	}
1583		2376
1584	=item $player_object->enter_exit ($exit_object)	2377	=item $player_object->enter_exit ($exit_object)
1585		2378
…		…
1587		2380
1588	sub parse_random_map_params {	2381	sub parse_random_map_params {
1589	my ($spec) = @_;	2382	my ($spec) = @_;
1590		2383
1591	my $rmp = { # defaults	2384	my $rmp = { # defaults
1592	xsize => 10,	2385	xsize => (cf::rndm 15, 40),
1593	ysize => 10,	2386	ysize => (cf::rndm 15, 40),
		2387	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2388	#layout => string,
1594	};	2389	};
1595		2390
1596	for (split /\n/, $spec) {	2391	for (split /\n/, $spec) {
1597	my ($k, $v) = split /\s+/, $_, 2;	2392	my ($k, $v) = split /\s+/, $_, 2;
1598		2393
…		…
1602	$rmp	2397	$rmp
1603	}	2398	}
1604		2399
1605	sub prepare_random_map {	2400	sub prepare_random_map {
1606	my ($exit) = @_;	2401	my ($exit) = @_;
		2402
		2403	my $guard = cf::lock_acquire "exit_prepare:$exit";
1607		2404
1608	# all this does is basically replace the /! path by	2405	# all this does is basically replace the /! path by
1609	# a new random map path (?random/...) with a seed	2406	# a new random map path (?random/...) with a seed
1610	# that depends on the exit object	2407	# that depends on the exit object
1611		2408
1612	my $rmp = parse_random_map_params $exit->msg;	2409	my $rmp = parse_random_map_params $exit->msg;
1613		2410
1614	if ($exit->map) {	2411	if ($exit->map) {
1615	$rmp->{region} = $exit->map->region_name;	2412	$rmp->{region} = $exit->region->name;
1616	$rmp->{origin_map} = $exit->map->path;	2413	$rmp->{origin_map} = $exit->map->path;
1617	$rmp->{origin_x} = $exit->x;	2414	$rmp->{origin_x} = $exit->x;
1618	$rmp->{origin_y} = $exit->y;	2415	$rmp->{origin_y} = $exit->y;
1619	}	2416	}
1620		2417
1621	$rmp->{random_seed} ||= $exit->random_seed;	2418	$rmp->{random_seed} ||= $exit->random_seed;
1622		2419
1623	my $data = cf::to_json $rmp;	2420	my $data = cf::to_json $rmp;
1624	my $md5 = Digest::MD5::md5_hex $data;	2421	my $md5 = Digest::MD5::md5_hex $data;
		2422	my $meta = "$RANDOMDIR/$md5.meta";
1625		2423
1626	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1627	aio_write $fh, 0, (length $data), $data, 0;	2425	aio_write $fh, 0, (length $data), $data, 0;
		2426	undef $fh;
		2427	aio_rename "$meta~", $meta;
1628		2428
1629	$exit->slaying ("?random/$md5");	2429	$exit->slaying ("?random/$md5");
1630	$exit->msg (undef);	2430	$exit->msg (undef);
1631	}	2431	}
1632	}	2432	}
…		…
1634	sub cf::object::player::enter_exit {	2434	sub cf::object::player::enter_exit {
1635	my ($self, $exit) = @_;	2435	my ($self, $exit) = @_;
1636		2436
1637	return unless $self->type == cf::PLAYER;	2437	return unless $self->type == cf::PLAYER;
1638		2438
		2439	if ($exit->slaying eq "/!") {
		2440	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2441	# the problem is that $exit might not survive long enough
		2442	# so it needs to be done right now, right here
		2443	cf::sync_job { prepare_random_map $exit };
		2444	}
		2445
		2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2447	my $hp = $exit->stats->hp;
		2448	my $sp = $exit->stats->sp;
		2449
1639	$self->enter_link;	2450	$self->enter_link;
1640		2451
1641	(Coro::async_pool {	2452	# if exit is damned, update players death & WoR home-position
		2453	$self->contr->savebed ($slaying, $hp, $sp)
		2454	if $exit->flag (FLAG_DAMNED);
		2455
		2456	(async {
1642	$self->deactivate_recursive; # just to be sure	2457	$self->deactivate_recursive; # just to be sure
1643	unless (eval {	2458	unless (eval {
1644	prepare_random_map $exit	2459	$self->goto ($slaying, $hp, $sp);
1645	if $exit->slaying eq "/!";
1646
1647	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1648	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1649		2460
1650	1;	2461	1;
1651	}) {	2462	}) {
1652	$self->message ("Something went wrong deep within the crossfire server. "	2463	$self->message ("Something went wrong deep within the crossfire server. "
1653	. "I'll try to bring you back to the map you were before. "	2464	. "I'll try to bring you back to the map you were before. "
1654	. "Please report this to the dungeon master",	2465	. "Please report this to the dungeon master!",
1655	cf::NDI_UNIQUE | cf::NDI_RED);	2466	cf::NDI_UNIQUE | cf::NDI_RED);
1656		2467
1657	warn "ERROR in enter_exit: $@";	2468	warn "ERROR in enter_exit: $@";
1658	$self->leave_link;	2469	$self->leave_link;
1659	}	2470	}
1660	})->prio (1);	2471	})->prio (1);
…		…
1673		2484
1674	sub cf::client::send_drawinfo {	2485	sub cf::client::send_drawinfo {
1675	my ($self, $text, $flags) = @_;	2486	my ($self, $text, $flags) = @_;
1676		2487
1677	utf8::encode $text;	2488	utf8::encode $text;
1678	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1679	}	2490	}
1680		2491
		2492	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2493
		2494	Send a drawinfo or msg packet to the client, formatting the msg for the
		2495	client if neccessary. C<$type> should be a string identifying the type of
		2496	the message, with C<log> being the default. If C<$color> is negative, suppress
		2497	the message unless the client supports the msg packet.
		2498
		2499	=cut
		2500
		2501	sub cf::client::send_msg {
		2502	my ($self, $channel, $msg, $color, @extra) = @_;
		2503
		2504	$msg = $self->pl->expand_cfpod ($msg);
		2505
		2506	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2507
		2508	if (ref $channel) {
		2509	# send meta info to client, if not yet sent
		2510	unless (exists $self->{channel}{$channel->{id}}) {
		2511	$self->{channel}{$channel->{id}} = $channel;
		2512	$self->ext_msg (channel_info => $channel);
		2513	}
		2514
		2515	$channel = $channel->{id};
		2516	}
		2517
		2518	return unless @extra || length $msg;
		2519
		2520	if ($self->can_msg) {
		2521	# default colour, mask it out
		2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2523	if $color & cf::NDI_DEF;
		2524
		2525	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2527	} else {
		2528	if ($color >= 0) {
		2529	# replace some tags by gcfclient-compatible ones
		2530	for ($msg) {
		2531	1 while
		2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2537	}
		2538
		2539	$color &= cf::NDI_COLOR_MASK;
		2540
		2541	utf8::encode $msg;
		2542
		2543	if (0 && $msg =~ /\[/) {
		2544	# COMMAND/INFO
		2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2546	} else {
		2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2548	$self->send_packet ("drawinfo $color $msg")
		2549	}
		2550	}
		2551	}
		2552	}
		2553
		2554	=item $client->ext_msg ($type, @msg)
		2555
		2556	Sends an ext event to the client.
		2557
		2558	=cut
		2559
		2560	sub cf::client::ext_msg($$@) {
		2561	my ($self, $type, @msg) = @_;
		2562
		2563	my $extcmd = $self->extcmd;
		2564
		2565	if ($extcmd == 2) {
		2566	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2567	} elsif ($extcmd == 1) { # TODO: remove
		2568	push @msg, msgtype => "event_$type";
		2569	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2570	}
		2571	}
		2572
		2573	=item $client->ext_reply ($msgid, @msg)
		2574
		2575	Sends an ext reply to the client.
		2576
		2577	=cut
		2578
		2579	sub cf::client::ext_reply($$@) {
		2580	my ($self, $id, @msg) = @_;
		2581
		2582	if ($self->extcmd == 2) {
		2583	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2584	} elsif ($self->ns->extcmd == 1) {
		2585	#TODO: version 1, remove
		2586	unshift @msg, msgtype => "reply", msgid => $id;
		2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2588	}
		2589	}
1681		2590
1682	=item $success = $client->query ($flags, "text", \&cb)	2591	=item $success = $client->query ($flags, "text", \&cb)
1683		2592
1684	Queues a query to the client, calling the given callback with	2593	Queues a query to the client, calling the given callback with
1685	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2594	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1686	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2595	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1687		2596
1688	Queries can fail, so check the return code. Or don't, as queries will become	2597	Queries can fail, so check the return code. Or don't, as queries will
1689	reliable at some point in the future.	2598	become reliable at some point in the future.
1690		2599
1691	=cut	2600	=cut
1692		2601
1693	sub cf::client::query {	2602	sub cf::client::query {
1694	my ($self, $flags, $text, $cb) = @_;	2603	my ($self, $flags, $text, $cb) = @_;
…		…
1702	utf8::encode $text;	2611	utf8::encode $text;
1703	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2612	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1704		2613
1705	$self->send_packet ($self->{query_queue}[0][0])	2614	$self->send_packet ($self->{query_queue}[0][0])
1706	if @{ $self->{query_queue} } == 1;	2615	if @{ $self->{query_queue} } == 1;
		2616
		2617	1
1707	}	2618	}
1708		2619
1709	cf::client->attach (	2620	cf::client->attach (
		2621	on_connect => sub {
		2622	my ($ns) = @_;
		2623
		2624	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2625	},
1710	on_reply => sub {	2626	on_reply => sub {
1711	my ($ns, $msg) = @_;	2627	my ($ns, $msg) = @_;
1712		2628
1713	# this weird shuffling is so that direct followup queries	2629	# this weird shuffling is so that direct followup queries
1714	# get handled first	2630	# get handled first
1715	my $queue = delete $ns->{query_queue}	2631	my $queue = delete $ns->{query_queue}
1716	or return; # be conservative, not sure how that can happen, but we saw a crash here	2632	or return; # be conservative, not sure how that can happen, but we saw a crash here
1717		2633
1718	(shift @$queue)->[1]->($msg);	2634	(shift @$queue)->[1]->($msg);
		2635	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1719		2636
1720	push @{ $ns->{query_queue} }, @$queue;	2637	push @{ $ns->{query_queue} }, @$queue;
1721		2638
1722	if (@{ $ns->{query_queue} } == @$queue) {	2639	if (@{ $ns->{query_queue} } == @$queue) {
1723	if (@$queue) {	2640	if (@$queue) {
…		…
1725	} else {	2642	} else {
1726	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2643	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1727	}	2644	}
1728	}	2645	}
1729	},	2646	},
		2647	on_exticmd => sub {
		2648	my ($ns, $buf) = @_;
		2649
		2650	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2651
		2652	if (ref $msg) {
		2653	my ($type, $reply, @payload) =
		2654	"ARRAY" eq ref $msg
		2655	? @$msg
		2656	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2657
		2658	my @reply;
		2659
		2660	if (my $cb = $EXTICMD{$type}) {
		2661	@reply = $cb->($ns, @payload);
		2662	}
		2663
		2664	$ns->ext_reply ($reply, @reply)
		2665	if $reply;
		2666
		2667	} else {
		2668	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2669	}
		2670
		2671	cf::override;
		2672	},
1730	);	2673	);
1731		2674
1732	=item $client->coro (\&cb)	2675	=item $client->async (\&cb)
1733		2676
1734	Create a new coroutine, running the specified callback. The coroutine will	2677	Create a new coroutine, running the specified callback. The coroutine will
1735	be automatically cancelled when the client gets destroyed (e.g. on logout,	2678	be automatically cancelled when the client gets destroyed (e.g. on logout,
1736	or loss of connection).	2679	or loss of connection).
1737		2680
1738	=cut	2681	=cut
1739		2682
1740	sub cf::client::coro {	2683	sub cf::client::async {
1741	my ($self, $cb) = @_;	2684	my ($self, $cb) = @_;
1742		2685
1743	my $coro = &Coro::async_pool ($cb);	2686	my $coro = &Coro::async ($cb);
1744		2687
1745	$coro->on_destroy (sub {	2688	$coro->on_destroy (sub {
1746	delete $self->{_coro}{$coro+0};	2689	delete $self->{_coro}{$coro+0};
1747	});	2690	});
1748		2691
…		…
1775	our $safe = new Safe "safe";	2718	our $safe = new Safe "safe";
1776	our $safe_hole = new Safe::Hole;	2719	our $safe_hole = new Safe::Hole;
1777		2720
1778	$SIG{FPE} = 'IGNORE';	2721	$SIG{FPE} = 'IGNORE';
1779		2722
1780	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2723	$safe->permit_only (Opcode::opset qw(
		2724	:base_core :base_mem :base_orig :base_math
		2725	grepstart grepwhile mapstart mapwhile
		2726	sort time
		2727	));
1781		2728
1782	# here we export the classes and methods available to script code	2729	# here we export the classes and methods available to script code
1783		2730
1784	=pod	2731	=pod
1785		2732
1786	The following fucntions and emthods are available within a safe environment:	2733	The following functions and methods are available within a safe environment:
1787		2734
1788	cf::object contr pay_amount pay_player map	2735	cf::object
		2736	contr pay_amount pay_player map x y force_find force_add
		2737	insert remove name archname title slaying race decrease_ob_nr
		2738
1789	cf::object::player player	2739	cf::object::player
1790	cf::player peaceful	2740	player
1791	cf::map trigger	2741
		2742	cf::player
		2743	peaceful
		2744
		2745	cf::map
		2746	trigger
1792		2747
1793	=cut	2748	=cut
1794		2749
1795	for (	2750	for (
1796	["cf::object" => qw(contr pay_amount pay_player map)],	2751	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2752	insert remove inv name archname title slaying race
		2753	decrease_ob_nr)],
1797	["cf::object::player" => qw(player)],	2754	["cf::object::player" => qw(player)],
1798	["cf::player" => qw(peaceful)],	2755	["cf::player" => qw(peaceful)],
1799	["cf::map" => qw(trigger)],	2756	["cf::map" => qw(trigger)],
1800	) {	2757	) {
1801	no strict 'refs';	2758	no strict 'refs';
…		…
1872	=back	2829	=back
1873		2830
1874	=cut	2831	=cut
1875		2832
1876	#############################################################################	2833	#############################################################################
		2834	# the server's init and main functions
1877		2835
1878	=head2 EXTENSION DATABASE SUPPORT	2836	sub load_facedata($) {
		2837	my ($path) = @_;
1879		2838
1880	Crossfire maintains a very simple database for extension use. It can	2839	my $enc = JSON::XS->new->utf8->canonical;
1881	currently store anything that can be serialised using Storable, which
1882	excludes objects.
1883		2840
1884	The parameter C<$family> should best start with the name of the extension	2841	warn "loading facedata from $path\n";
1885	using it, it should be unique.
1886		2842
1887	=over 4	2843	my $facedata;
		2844	0 < aio_load $path, $facedata
		2845	or die "$path: $!";
1888		2846
1889	=item $hashref = cf::db_get $family	2847	$facedata = Coro::Storable::thaw $facedata;
1890		2848
1891	Return a hashref for use by the extension C<$family>, which can be	2849	$facedata->{version} == 2
1892	modified. After modifications, you have to call C<cf::db_dirty> or	2850	or cf::cleanup "$path: version mismatch, cannot proceed.";
1893	C<cf::db_sync>.
1894		2851
1895	=item $value = cf::db_get $family => $key	2852	# patch in the exptable
1896		2853	$facedata->{resource}{"res/exp_table"} = {
1897	Returns a single value from the database	2854	type => FT_RSRC,
1898		2855	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1899	=item cf::db_put $family => $hashref
1900
1901	Stores the given family hashref into the database. Updates are delayed, if
1902	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1903
1904	=item cf::db_put $family => $key => $value
1905
1906	Stores the given C<$value> in the family hash. Updates are delayed, if you
1907	want the data to be synced to disk immediately, use C<cf::db_sync>.
1908
1909	=item cf::db_dirty
1910
1911	Marks the database as dirty, to be updated at a later time.
1912
1913	=item cf::db_sync
1914
1915	Immediately write the database to disk I<if it is dirty>.
1916
1917	=cut
1918
1919	our $DB;
1920
1921	{
1922	my $path = cf::localdir . "/database.pst";
1923
1924	sub db_load() {
1925	$DB = stat $path ? Storable::retrieve $path : { };
1926	}
1927
1928	my $pid;
1929
1930	sub db_save() {
1931	waitpid $pid, 0 if $pid;
1932	if (0 == ($pid = fork)) {
1933	$DB->{_meta}{version} = 1;
1934	Storable::nstore $DB, "$path~";
1935	rename "$path~", $path;
1936	cf::_exit 0 if defined $pid;
1937	}
1938	}
1939
1940	my $dirty;
1941
1942	sub db_sync() {
1943	db_save if $dirty;
1944	undef $dirty;
1945	}
1946
1947	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1948	db_sync;
1949	});	2856	};
		2857	cf::cede_to_tick;
1950		2858
1951	sub db_dirty() {
1952	$dirty = 1;
1953	$idle->start;
1954	}	2859	{
		2860	my $faces = $facedata->{faceinfo};
1955		2861
1956	sub db_get($;$) {	2862	while (my ($face, $info) = each %$faces) {
1957	@_ >= 2	2863	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1958	? $DB->{$_[0]}{$_[1]}	2864	cf::face::set_visibility $idx, $info->{visibility};
1959	: ($DB->{$_[0]} ||= { })	2865	cf::face::set_magicmap $idx, $info->{magicmap};
1960	}	2866	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2867	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1961		2868
1962	sub db_put($$;$) {	2869	cf::cede_to_tick;
1963	if (@_ >= 3) {
1964	$DB->{$_[0]}{$_[1]} = $_[2];
1965	} else {
1966	$DB->{$_[0]} = $_[1];
1967	}
1968	db_dirty;
1969	}
1970
1971	cf::global->attach (
1972	prio => 10000,
1973	on_cleanup => sub {
1974	db_sync;
1975	},	2870	}
1976	);
1977	}
1978		2871
1979	#############################################################################	2872	while (my ($face, $info) = each %$faces) {
1980	# the server's main()	2873	next unless $info->{smooth};
		2874	my $idx = cf::face::find $face
		2875	or next;
		2876	if (my $smooth = cf::face::find $info->{smooth}) {
		2877	cf::face::set_smooth $idx, $smooth;
		2878	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2879	} else {
		2880	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2881	}
		2882
		2883	cf::cede_to_tick;
		2884	}
		2885	}
		2886
		2887	{
		2888	my $anims = $facedata->{animinfo};
		2889
		2890	while (my ($anim, $info) = each %$anims) {
		2891	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2892	cf::cede_to_tick;
		2893	}
		2894
		2895	cf::anim::invalidate_all; # d'oh
		2896	}
		2897
		2898	{
		2899	# TODO: for gcfclient pleasure, we should give resources
		2900	# that gcfclient doesn't grok a >10000 face index.
		2901	my $res = $facedata->{resource};
		2902
		2903	my $soundconf = delete $res->{"res/sound.conf"};
		2904
		2905	while (my ($name, $info) = each %$res) {
		2906	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2907	my $data;
		2908
		2909	if ($info->{type} & 1) {
		2910	# prepend meta info
		2911
		2912	my $meta = $enc->encode ({
		2913	name => $name,
		2914	%{ $info->{meta} || {} },
		2915	});
		2916
		2917	$data = pack "(w/a*)*", $meta, $info->{data};
		2918	} else {
		2919	$data = $info->{data};
		2920	}
		2921
		2922	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2923	cf::face::set_type $idx, $info->{type};
		2924
		2925	cf::cede_to_tick;
		2926	}
		2927
		2928	if ($soundconf) {
		2929	$soundconf = $enc->decode (delete $soundconf->{data});
		2930
		2931	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2932	my $sound = $soundconf->{compat}[$_]
		2933	or next;
		2934
		2935	my $face = cf::face::find "sound/$sound->[1]";
		2936	cf::sound::set $sound->[0] => $face;
		2937	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2938	}
		2939
		2940	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2941	my $face = cf::face::find "sound/$v";
		2942	cf::sound::set $k => $face;
		2943	}
		2944	}
		2945	}
		2946
		2947	1
		2948	}
		2949
		2950	register_exticmd fx_want => sub {
		2951	my ($ns, $want) = @_;
		2952
		2953	while (my ($k, $v) = each %$want) {
		2954	$ns->fx_want ($k, $v);
		2955	}
		2956	};
		2957
		2958	sub reload_regions {
		2959	load_resource_file "$MAPDIR/regions"
		2960	or die "unable to load regions file\n";
		2961
		2962	for (cf::region::list) {
		2963	$_->{match} = qr/$_->{match}/
		2964	if exists $_->{match};
		2965	}
		2966	}
		2967
		2968	sub reload_facedata {
		2969	load_facedata "$DATADIR/facedata"
		2970	or die "unable to load facedata\n";
		2971	}
		2972
		2973	sub reload_archetypes {
		2974	load_resource_file "$DATADIR/archetypes"
		2975	or die "unable to load archetypes\n";
		2976	#d# NEED to laod twice to resolve forward references
		2977	# this really needs to be done in an extra post-pass
		2978	# (which needs to be synchronous, so solve it differently)
		2979	load_resource_file "$DATADIR/archetypes"
		2980	or die "unable to load archetypes\n";
		2981	}
		2982
		2983	sub reload_treasures {
		2984	load_resource_file "$DATADIR/treasures"
		2985	or die "unable to load treasurelists\n";
		2986	}
		2987
		2988	sub reload_resources {
		2989	warn "reloading resource files...\n";
		2990
		2991	reload_regions;
		2992	reload_facedata;
		2993	#reload_archetypes;#d#
		2994	reload_archetypes;
		2995	reload_treasures;
		2996
		2997	warn "finished reloading resource files\n";
		2998	}
		2999
		3000	sub init {
		3001	reload_resources;
		3002	}
1981		3003
1982	sub cfg_load {	3004	sub cfg_load {
1983	open my $fh, "<:utf8", cf::confdir . "/config"	3005	open my $fh, "<:utf8", "$CONFDIR/config"
1984	or return;	3006	or return;
1985		3007
1986	local $/;	3008	local $/;
1987	*CFG = YAML::Syck::Load <$fh>;	3009	*CFG = YAML::Syck::Load <$fh>;
1988		3010
…		…
1991	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3013	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
1992	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3014	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993		3015
1994	if (exists $CFG{mlockall}) {	3016	if (exists $CFG{mlockall}) {
1995	eval {	3017	eval {
1996	$CFG{mlockall} ? &mlockall : &munlockall	3018	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1997	and die "WARNING: m(un)lockall failed: $!\n";	3019	and die "WARNING: m(un)lockall failed: $!\n";
1998	};	3020	};
1999	warn $@ if $@;	3021	warn $@ if $@;
2000	}	3022	}
2001	}	3023	}
2002		3024
2003	sub main {	3025	sub main {
2004	# we must not ever block the main coroutine	3026	# we must not ever block the main coroutine
2005	local $Coro::idle = sub {	3027	local $Coro::idle = sub {
2006	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3028	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2007	Coro::async_pool { Event::one_event };	3029	(async {
		3030	Event::one_event;
		3031	})->prio (Coro::PRIO_MAX);
2008	};	3032	};
2009		3033
2010	cfg_load;	3034	cfg_load;
2011	db_load;	3035	db_init;
2012	load_extensions;	3036	load_extensions;
		3037
		3038	$TICK_WATCHER->start;
2013	Event::loop;	3039	Event::loop;
2014	}	3040	}
2015		3041
2016	#############################################################################	3042	#############################################################################
2017	# initialisation	3043	# initialisation and cleanup
2018		3044
		3045	# install some emergency cleanup handlers
		3046	BEGIN {
		3047	for my $signal (qw(INT HUP TERM)) {
		3048	Event->signal (
		3049	reentrant => 0,
		3050	data => WF_AUTOCANCEL,
		3051	signal => $signal,
		3052	prio => 0,
		3053	cb => sub {
		3054	cf::cleanup "SIG$signal";
		3055	},
		3056	);
		3057	}
		3058	}
		3059
		3060	sub write_runtime {
		3061	my $runtime = "$LOCALDIR/runtime";
		3062
		3063	# first touch the runtime file to show we are still running:
		3064	# the fsync below can take a very very long time.
		3065
		3066	IO::AIO::aio_utime $runtime, undef, undef;
		3067
		3068	my $guard = cf::lock_acquire "write_runtime";
		3069
		3070	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3071	or return;
		3072
		3073	my $value = $cf::RUNTIME + 90 + 10;
		3074	# 10 is the runtime save interval, for a monotonic clock
		3075	# 60 allows for the watchdog to kill the server.
		3076
		3077	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3078	and return;
		3079
		3080	# always fsync - this file is important
		3081	aio_fsync $fh
		3082	and return;
		3083
		3084	# touch it again to show we are up-to-date
		3085	aio_utime $fh, undef, undef;
		3086
		3087	close $fh
		3088	or return;
		3089
		3090	aio_rename "$runtime~", $runtime
		3091	and return;
		3092
		3093	warn "runtime file written.\n";
		3094
		3095	1
		3096	}
		3097
		3098	sub emergency_save() {
		3099	my $freeze_guard = cf::freeze_mainloop;
		3100
		3101	warn "enter emergency perl save\n";
		3102
		3103	cf::sync_job {
		3104	# use a peculiar iteration method to avoid tripping on perl
		3105	# refcount bugs in for. also avoids problems with players
		3106	# and maps saved/destroyed asynchronously.
		3107	warn "begin emergency player save\n";
		3108	for my $login (keys %cf::PLAYER) {
		3109	my $pl = $cf::PLAYER{$login} or next;
		3110	$pl->valid or next;
		3111	$pl->save;
		3112	}
		3113	warn "end emergency player save\n";
		3114
		3115	warn "begin emergency map save\n";
		3116	for my $path (keys %cf::MAP) {
		3117	my $map = $cf::MAP{$path} or next;
		3118	$map->valid or next;
		3119	$map->save;
		3120	}
		3121	warn "end emergency map save\n";
		3122
		3123	warn "begin emergency database checkpoint\n";
		3124	BDB::db_env_txn_checkpoint $DB_ENV;
		3125	warn "end emergency database checkpoint\n";
		3126	};
		3127
		3128	warn "leave emergency perl save\n";
		3129	}
		3130
		3131	sub post_cleanup {
		3132	my ($make_core) = @_;
		3133
		3134	warn Carp::longmess "post_cleanup backtrace"
		3135	if $make_core;
		3136	}
		3137
2019	sub reload() {	3138	sub do_reload_perl() {
2020	# can/must only be called in main	3139	# can/must only be called in main
2021	if ($Coro::current != $Coro::main) {	3140	if ($Coro::current != $Coro::main) {
2022	warn "can only reload from main coroutine\n";	3141	warn "can only reload from main coroutine";
2023	return;	3142	return;
2024	}	3143	}
2025		3144
2026	warn "reloading...";	3145	warn "reloading...";
2027		3146
2028	my $guard = freeze_mainloop;	3147	warn "entering sync_job";
		3148
		3149	cf::sync_job {
		3150	cf::write_runtime; # external watchdog should not bark
2029	cf::emergency_save;	3151	cf::emergency_save;
		3152	cf::write_runtime; # external watchdog should not bark
2030		3153
2031	eval {	3154	warn "syncing database to disk";
		3155	BDB::db_env_txn_checkpoint $DB_ENV;
		3156
2032	# if anything goes wrong in here, we should simply crash as we already saved	3157	# if anything goes wrong in here, we should simply crash as we already saved
2033		3158
2034	# cancel all watchers	3159	warn "cancelling all WF_AUTOCANCEL watchers";
2035	for (Event::all_watchers) {	3160	for (Event::all_watchers) {
2036	$_->cancel if $_->data & WF_AUTOCANCEL;	3161	$_->cancel if $_->data & WF_AUTOCANCEL;
2037	}	3162	}
2038		3163
		3164	warn "flushing outstanding aio requests";
		3165	for (;;) {
		3166	BDB::flush;
		3167	IO::AIO::flush;
		3168	Coro::cede;
		3169	last unless IO::AIO::nreqs || BDB::nreqs;
		3170	warn "iterate...";
		3171	}
		3172
		3173	++$RELOAD;
		3174
2039	# cancel all extension coros	3175	warn "cancelling all extension coros";
2040	$_->cancel for values %EXT_CORO;	3176	$_->cancel for values %EXT_CORO;
2041	%EXT_CORO = ();	3177	%EXT_CORO = ();
2042		3178
2043	# unload all extensions	3179	warn "removing commands";
2044	for (@exts) {	3180	%COMMAND = ();
		3181
		3182	warn "removing ext/exti commands";
		3183	%EXTCMD = ();
		3184	%EXTICMD = ();
		3185
		3186	warn "unloading/nuking all extensions";
		3187	for my $pkg (@EXTS) {
2045	warn "unloading <$_>";	3188	warn "... unloading $pkg";
2046	unload_extension $_;	3189
		3190	if (my $cb = $pkg->can ("unload")) {
		3191	eval {
		3192	$cb->($pkg);
		3193	1
		3194	} or warn "$pkg unloaded, but with errors: $@";
2047	}	3195	}
2048		3196
		3197	warn "... nuking $pkg";
		3198	Symbol::delete_package $pkg;
		3199	}
		3200
2049	# unload all modules loaded from $LIBDIR	3201	warn "unloading all perl modules loaded from $LIBDIR";
2050	while (my ($k, $v) = each %INC) {	3202	while (my ($k, $v) = each %INC) {
2051	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3203	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2052		3204
2053	warn "removing <$k>";	3205	warn "... unloading $k";
2054	delete $INC{$k};	3206	delete $INC{$k};
2055		3207
2056	$k =~ s/\.pm$//;	3208	$k =~ s/\.pm$//;
2057	$k =~ s/\//::/g;	3209	$k =~ s/\//::/g;
2058		3210
…		…
2061	}	3213	}
2062		3214
2063	Symbol::delete_package $k;	3215	Symbol::delete_package $k;
2064	}	3216	}
2065		3217
2066	# sync database to disk
2067	cf::db_sync;
2068	IO::AIO::flush;
2069
2070	# get rid of safe::, as good as possible	3218	warn "getting rid of safe::, as good as possible";
2071	Symbol::delete_package "safe::$_"	3219	Symbol::delete_package "safe::$_"
2072	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3220	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2073		3221
2074	# remove register_script_function callbacks
2075	# TODO
2076
2077	# unload cf.pm "a bit"	3222	warn "unloading cf.pm \"a bit\"";
2078	delete $INC{"cf.pm"};	3223	delete $INC{"cf.pm"};
		3224	delete $INC{"cf/pod.pm"};
2079		3225
2080	# don't, removes xs symbols, too,	3226	# don't, removes xs symbols, too,
2081	# and global variables created in xs	3227	# and global variables created in xs
2082	#Symbol::delete_package __PACKAGE__;	3228	#Symbol::delete_package __PACKAGE__;
2083		3229
2084	# reload cf.pm	3230	warn "unload completed, starting to reload now";
		3231
2085	warn "reloading cf.pm";	3232	warn "reloading cf.pm";
2086	require cf;	3233	require cf;
2087	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3234	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2088		3235
2089	# load config and database again	3236	warn "loading config and database again";
2090	cf::cfg_load;	3237	cf::cfg_load;
2091	cf::db_load;
2092		3238
2093	# load extensions
2094	warn "load extensions";	3239	warn "loading extensions";
2095	cf::load_extensions;	3240	cf::load_extensions;
2096		3241
2097	# reattach attachments to objects	3242	warn "reattaching attachments to objects/players";
2098	warn "reattach";	3243	_global_reattach; # objects, sockets
2099	_global_reattach;	3244	warn "reattaching attachments to maps";
2100	};	3245	reattach $_ for values %MAP;
		3246	warn "reattaching attachments to players";
		3247	reattach $_ for values %PLAYER;
2101		3248
2102	if ($@) {	3249	warn "leaving sync_job";
		3250
		3251	1
		3252	} or do {
2103	warn $@;	3253	warn $@;
2104	warn "error while reloading, exiting.";	3254	warn "error while reloading, exiting.";
2105	exit 1;	3255	exit 1;
2106	}	3256	};
2107		3257
2108	warn "reloaded successfully";	3258	warn "reloaded";
2109	};	3259	};
2110		3260
2111	#############################################################################	3261	our $RELOAD_WATCHER; # used only during reload
2112		3262
2113	unless ($LINK_MAP) {	3263	sub reload_perl() {
2114	$LINK_MAP = cf::map::new;	3264	# doing reload synchronously and two reloads happen back-to-back,
		3265	# coro crashes during coro_state_free->destroy here.
2115		3266
2116	$LINK_MAP->width (41);	3267	$RELOAD_WATCHER ||= Event->timer (
2117	$LINK_MAP->height (41);	3268	reentrant => 0,
2118	$LINK_MAP->alloc;
2119	$LINK_MAP->path ("{link}");
2120	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2121	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2122
2123	# dirty hack because... archetypes are not yet loaded
2124	Event->timer (
2125	after => 2,	3269	after => 0,
		3270	data => WF_AUTOCANCEL,
2126	cb => sub {	3271	cb => sub {
2127	$_[0]->w->cancel;	3272	do_reload_perl;
2128		3273	undef $RELOAD_WATCHER;
2129	# provide some exits "home"
2130	my $exit = cf::object::new "exit";
2131
2132	$exit->slaying ($EMERGENCY_POSITION->[0]);
2133	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2134	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2135
2136	$LINK_MAP->insert ($exit->clone, 19, 19);
2137	$LINK_MAP->insert ($exit->clone, 19, 20);
2138	$LINK_MAP->insert ($exit->clone, 19, 21);
2139	$LINK_MAP->insert ($exit->clone, 20, 19);
2140	$LINK_MAP->insert ($exit->clone, 20, 21);
2141	$LINK_MAP->insert ($exit->clone, 21, 19);
2142	$LINK_MAP->insert ($exit->clone, 21, 20);
2143	$LINK_MAP->insert ($exit->clone, 21, 21);
2144
2145	$exit->destroy;
2146	});	3274	},
2147		3275	);
2148	$LINK_MAP->{deny_save} = 1;
2149	$LINK_MAP->{deny_reset} = 1;
2150
2151	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2152	}	3276	}
2153
2154	register "<global>", __PACKAGE__;
2155		3277
2156	register_command "reload" => sub {	3278	register_command "reload" => sub {
2157	my ($who, $arg) = @_;	3279	my ($who, $arg) = @_;
2158		3280
2159	if ($who->flag (FLAG_WIZ)) {	3281	if ($who->flag (FLAG_WIZ)) {
2160	$who->message ("start of reload.");
2161	reload;
2162	$who->message ("end of reload.");	3282	$who->message ("reloading server.");
		3283	async { reload_perl };
2163	}	3284	}
2164	};	3285	};
2165		3286
2166	unshift @INC, $LIBDIR;	3287	unshift @INC, $LIBDIR;
2167		3288
		3289	my $bug_warning = 0;
		3290
		3291	our @WAIT_FOR_TICK;
		3292	our @WAIT_FOR_TICK_BEGIN;
		3293
		3294	sub wait_for_tick {
		3295	return unless $TICK_WATCHER->is_active;
		3296	return if $Coro::current == $Coro::main;
		3297
		3298	my $signal = new Coro::Signal;
		3299	push @WAIT_FOR_TICK, $signal;
		3300	$signal->wait;
		3301	}
		3302
		3303	sub wait_for_tick_begin {
		3304	return unless $TICK_WATCHER->is_active;
		3305	return if $Coro::current == $Coro::main;
		3306
		3307	my $signal = new Coro::Signal;
		3308	push @WAIT_FOR_TICK_BEGIN, $signal;
		3309	$signal->wait;
		3310	}
		3311
		3312	my $min = 1e6;#d#
		3313	my $avg = 10;
2168	$TICK_WATCHER = Event->timer (	3314	$TICK_WATCHER = Event->timer (
2169	reentrant => 0,	3315	reentrant => 0,
		3316	parked => 1,
2170	prio => 0,	3317	prio => 0,
2171	at => $NEXT_TICK || $TICK,	3318	at => $NEXT_TICK || $TICK,
2172	data => WF_AUTOCANCEL,	3319	data => WF_AUTOCANCEL,
2173	cb => sub {	3320	cb => sub {
		3321	if ($Coro::current != $Coro::main) {
		3322	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3323	unless ++$bug_warning > 10;
		3324	return;
		3325	}
		3326
		3327	$NOW = $tick_start = Event::time;
		3328
2174	cf::server_tick; # one server iteration	3329	cf::server_tick; # one server iteration
		3330
		3331	0 && sync_job {#d#
		3332	for(1..10) {
		3333	my $t = Event::time;
		3334	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3335	or die;
		3336
		3337	$map->width (50);
		3338	$map->height (50);
		3339	$map->alloc;
		3340	$map->_load_objects ("/tmp/x.map", 1);
		3341	my $t = Event::time - $t;
		3342
		3343	#next unless $t < 0.0013;#d#
		3344	if ($t < $min) {
		3345	$min = $t;
		3346	}
		3347	$avg = $avg * 0.99 + $t * 0.01;
		3348	}
		3349	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3350	exit 0;
		3351	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3352	};
		3353
2175	$RUNTIME += $TICK;	3354	$RUNTIME += $TICK;
2176	$NEXT_TICK += $TICK;	3355	$NEXT_TICK += $TICK;
2177		3356
		3357	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3358	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3359	Coro::async_pool {
		3360	write_runtime
		3361	or warn "ERROR: unable to write runtime file: $!";
		3362	};
		3363	}
		3364
		3365	# my $AFTER = Event::time;
		3366	# warn $AFTER - $NOW;#d#
		3367
		3368	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3369	$sig->send;
		3370	}
		3371	while (my $sig = shift @WAIT_FOR_TICK) {
		3372	$sig->send;
		3373	}
		3374
		3375	$NOW = Event::time;
		3376
2178	# if we are delayed by four ticks or more, skip them all	3377	# if we are delayed by four ticks or more, skip them all
2179	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3378	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2180		3379
2181	$TICK_WATCHER->at ($NEXT_TICK);	3380	$TICK_WATCHER->at ($NEXT_TICK);
2182	$TICK_WATCHER->start;	3381	$TICK_WATCHER->start;
		3382
		3383	$LOAD = ($NOW - $tick_start) / $TICK;
		3384	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3385
		3386	_post_tick;
		3387
		3388
2183	},	3389	},
2184	);	3390	);
2185		3391
		3392	{
2186	IO::AIO::max_poll_time $TICK * 0.2;	3393	BDB::max_poll_time $TICK * 0.1;
2187		3394	$BDB_POLL_WATCHER = Event->io (
2188	Event->io (	3395	reentrant => 0,
2189	fd => IO::AIO::poll_fileno,	3396	fd => BDB::poll_fileno,
2190	poll => 'r',	3397	poll => 'r',
2191	prio => 5,	3398	prio => 0,
2192	data => WF_AUTOCANCEL,
2193	cb => \&IO::AIO::poll_cb,
2194	);
2195
2196	Event->timer (
2197	data => WF_AUTOCANCEL,	3399	data => WF_AUTOCANCEL,
2198	after => 0,	3400	cb => \&BDB::poll_cb,
2199	interval => 10,	3401	);
2200	cb => sub {	3402	BDB::min_parallel 8;
2201	(Coro::unblock_sub {	3403
2202	write_runtime	3404	BDB::set_sync_prepare {
2203	or warn "ERROR: unable to write runtime file: $!";	3405	my $status;
		3406	my $current = $Coro::current;
		3407	(
		3408	sub {
		3409	$status = $!;
		3410	$current->ready; undef $current;
		3411	},
		3412	sub {
		3413	Coro::schedule while defined $current;
		3414	$! = $status;
		3415	},
		3416	)
		3417	};
		3418
		3419	unless ($DB_ENV) {
		3420	$DB_ENV = BDB::db_env_create;
		3421
		3422	cf::sync_job {
		3423	eval {
		3424	BDB::db_env_open
		3425	$DB_ENV,
		3426	$BDBDIR,
		3427	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3428	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3429	0666;
		3430
		3431	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3432
		3433	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3434	$DB_ENV->set_lk_detect;
		3435	};
		3436
		3437	cf::cleanup "db_env_open(db): $@" if $@;
2204	})->();	3438	};
2205	},	3439	}
2206	);	3440	}
		3441
		3442	{
		3443	IO::AIO::min_parallel 8;
		3444
		3445	undef $Coro::AIO::WATCHER;
		3446	IO::AIO::max_poll_time $TICK * 0.1;
		3447	$AIO_POLL_WATCHER = Event->io (
		3448	reentrant => 0,
		3449	data => WF_AUTOCANCEL,
		3450	fd => IO::AIO::poll_fileno,
		3451	poll => 'r',
		3452	prio => 6,
		3453	cb => \&IO::AIO::poll_cb,
		3454	);
		3455	}
		3456
		3457	my $_log_backtrace;
		3458
		3459	sub _log_backtrace {
		3460	my ($msg, @addr) = @_;
		3461
		3462	$msg =~ s/\n//;
		3463
		3464	# limit the # of concurrent backtraces
		3465	if ($_log_backtrace < 2) {
		3466	++$_log_backtrace;
		3467	async {
		3468	my @bt = fork_call {
		3469	@addr = map { sprintf "%x", $_ } @addr;
		3470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3471	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3472	or die "addr2line: $!";
		3473
		3474	my @funcs;
		3475	my @res = <$fh>;
		3476	chomp for @res;
		3477	while (@res) {
		3478	my ($func, $line) = splice @res, 0, 2, ();
		3479	push @funcs, "[$func] $line";
		3480	}
		3481
		3482	@funcs
		3483	};
		3484
		3485	LOG llevInfo, "[ABT] $msg\n";
		3486	LOG llevInfo, "[ABT] $_\n" for @bt;
		3487	--$_log_backtrace;
		3488	};
		3489	} else {
		3490	LOG llevInfo, "[ABT] $msg\n";
		3491	LOG llevInfo, "[ABT] [suppressed]\n";
		3492	}
		3493	}
		3494
		3495	# load additional modules
		3496	use cf::pod;
2207		3497
2208	END { cf::emergency_save }	3498	END { cf::emergency_save }
2209		3499
2210	1	3500	1
2211		3501

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