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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.141 by root, Fri Jan 5 20:08:53 2007 UTC vs.
Revision 1.352 by root, Sun Sep 2 04:57:14 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
		28	use Data::Dumper;
20	use Digest::MD5;	29	use Digest::MD5;
21	use Fcntl;	30	use Fcntl;
22	use IO::AIO 2.31 ();
23	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.32 ();
24	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
25		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
27		44
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
30		47
31	$Coro::main->prio (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
…		…
190	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
191	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
192	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
193	returned.	275	returned.
194		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
195	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
196	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
197		286
198	=cut	287	=cut
199		288
200	our %LOCK;	289	our %LOCK;
201		290
…		…
221	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
222	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
223	}	312	}
224	}	313	}
225		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
226	sub freeze_mainloop {	321	sub freeze_mainloop {
227	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
228		323
229	my $guard = Coro::guard { $TICK_WATCHER->start };	324	my $guard = Coro::guard {
		325	$TICK_WATCHER->start;
		326	};
230	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
231	$guard	328	$guard
		329	}
		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
232	}	385	}
233		386
234	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
235		388
236	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
241		394
242	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
243		396
244	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
245		398
246	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
247	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
248	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
249		403
250	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
251	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
252	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
253	fast or be very important.	407	fast or be very important.
…		…
256		410
257	sub sync_job(&) {	411	sub sync_job(&) {
258	my ($job) = @_;	412	my ($job) = @_;
259		413
260	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
261	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
262	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
263		419
264	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
265	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
276		432
277	while ($busy) {	433	while ($busy) {
278	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
279	}	435	}
280		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
281	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
282	} else {	445	} else {
283	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
284		447
285	$job->()	448	$job->()
286	}	449	}
287	}	450	}
288		451
289	=item $coro = cf::async_ext { BLOCK }	452	=item $coro = cf::async_ext { BLOCK }
290		453
291	Like async, but this coro is automcatially being canceled when the	454	Like async, but this coro is automatically being canceled when the
292	extension calling this is being unloaded.	455	extension calling this is being unloaded.
293		456
294	=cut	457	=cut
295		458
296	sub async_ext(&) {	459	sub async_ext(&) {
…		…
304	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
305		468
306	$coro	469	$coro
307	}	470	}
308		471
309	sub write_runtime {	472	=item fork_call { }, $args
310	my $runtime = cf::localdir . "/runtime";
311		473
312	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
313	or return;	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
314		478
315	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	479	=cut
316	(aio_write $fh, 0, (length $value), $value, 0) <= 0
317	and return;
318		480
319	aio_fsync $fh	481	sub fork_call(&@) {
320	and return;	482	my ($cb, @args) = @_;
321		483
322	close $fh	484	# we seemingly have to make a local copy of the whole thing,
323	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
324		487
325	aio_rename "$runtime~", $runtime	488	my @res = Coro::Util::fork_eval {
326	and return;	489	reset_signals;
		490	&$cb
		491	}, @args;
327		492
		493	wantarray ? @res : $res[-1]
		494	}
		495
		496	=item $value = cf::db_get $family => $key
		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
328	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
329	}	621	}
330		622
331	=back	623	=back
332		624
333	=cut	625	=cut
334
335	#############################################################################
336
337	package cf::path;
338
339	sub new {
340	my ($class, $path, $base) = @_;
341
342	$path = $path->as_string if ref $path;
343
344	my $self = bless { }, $class;
345
346	# {... are special paths that are not touched
347	# ?xxx/... are special absolute paths
348	# ?random/... random maps
349	# /! non-realised random map exit
350	# /... normal maps
351	# ~/... per-player maps without a specific player (DO NOT USE)
352	# ~user/... per-player map of a specific user
353
354	if ($path =~ /^{/) {
355	# fine as it is
356	} elsif ($path =~ s{^\?random/}{}) {
357	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
358	$self->{random} = cf::from_json $data;
359	} else {
360	if ($path =~ s{^~([^/]+)?}{}) {
361	$self->{user_rel} = 1;
362
363	if (defined $1) {
364	$self->{user} = $1;
365	} elsif ($base =~ m{^~([^/]+)/}) {
366	$self->{user} = $1;
367	} else {
368	warn "cannot resolve user-relative path without user <$path,$base>\n";
369	}
370	} elsif ($path =~ /^\//) {
371	# already absolute
372	} else {
373	$base =~ s{[^/]+/?$}{};
374	return $class->new ("$base/$path");
375	}
376
377	for ($path) {
378	redo if s{/\.?/}{/};
379	redo if s{/[^/]+/\.\./}{/};
380	}
381	}
382
383	$self->{path} = $path;
384
385	$self
386	}
387
388	# the name / primary key / in-game path
389	sub as_string {
390	my ($self) = @_;
391
392	$self->{user_rel} ? "~$self->{user}$self->{path}"
393	: $self->{random} ? "?random/$self->{path}"
394	: $self->{path}
395	}
396
397	# the displayed name, this is a one way mapping
398	sub visible_name {
399	my ($self) = @_;
400
401	# if (my $rmp = $self->{random}) {
402	# # todo: be more intelligent about this
403	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
404	# } else {
405	$self->as_string
406	# }
407	}
408
409	# escape the /'s in the path
410	sub _escaped_path {
411	# ∕ is U+2215
412	(my $path = $_[0]{path}) =~ s/\//∕/g;
413	$path
414	}
415
416	# the original (read-only) location
417	sub load_path {
418	my ($self) = @_;
419
420	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
421	}
422
423	# the temporary/swap location
424	sub save_path {
425	my ($self) = @_;
426
427	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
428	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
429	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
430	}
431
432	# the unique path, might be eq to save_path
433	sub uniq_path {
434	my ($self) = @_;
435
436	$self->{user_rel} || $self->{random}
437	? undef
438	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
439	}
440
441	# return random map parameters, or undef
442	sub random_map_params {
443	my ($self) = @_;
444
445	$self->{random}
446	}
447
448	# this is somewhat ugly, but style maps do need special treatment
449	sub is_style_map {
450	$_[0]{path} =~ m{^/styles/}
451	}
452
453	package cf;
454		626
455	#############################################################################	627	#############################################################################
456		628
457	=head2 ATTACHABLE OBJECTS	629	=head2 ATTACHABLE OBJECTS
458		630
…		…
460	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
461	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
462		634
463	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
464	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
465	crossfire+).	637	Crossfire TRT).
466		638
467	=over 4	639	=over 4
468		640
469	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
470		642
…		…
584	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
585	our @CB_MAP = ();	757	our @CB_MAP = ();
586		758
587	my %attachment;	759	my %attachment;
588		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
589	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
590	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
591		769
592	use sort 'stable';	770	use sort 'stable';
593		771
…		…
627	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
628		806
629	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
630	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
631	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
632	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
633		811
634	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
635	my $pkg = shift @arg;	813	my $pkg = shift @arg;
636		814
637	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
666	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
667	}	845	}
668		846
669	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
670	} else {	848	} else {
671	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
672	}	850	}
673		851
674	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
675	}	853	}
676		854
…		…
678	if (ref $_[0]) {	856	if (ref $_[0]) {
679	_object_attach @_;	857	_object_attach @_;
680	} else {	858	} else {
681	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
682	}	860	}
		861	_recalc_want;
683	};	862	};
684		863
685	# all those should be optimised	864	# all those should be optimised
686	sub cf::attachable::detach {	865	sub cf::attachable::detach {
687	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
690	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
691	reattach ($obj);	870	reattach ($obj);
692	} else {	871	} else {
693	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
694	}	873	}
		874	_recalc_want;
695	};	875	};
696		876
697	sub cf::attachable::attached {	877	sub cf::attachable::attached {
698	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
699		879
…		…
714	";	894	";
715	die if $@;	895	die if $@;
716	}	896	}
717		897
718	our $override;	898	our $override;
719	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
720		900
721	sub override {	901	sub override {
722	$override = 1;	902	$override = 1;
723	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
724	}	904	}
725		905
726	sub do_invoke {	906	sub do_invoke {
727	my $event = shift;	907	my $event = shift;
728	my $callbacks = shift;	908	my $callbacks = shift;
729		909
730	@invoke_results = ();	910	@INVOKE_RESULTS = ();
731		911
732	local $override;	912	local $override;
733		913
734	for (@$callbacks) {	914	for (@$callbacks) {
735	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
752		932
753	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
754		934
755	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
756	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
757	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
758		938
759	=back	939	=back
760		940
761	=cut	941	=cut
762		942
763	#############################################################################	943	#############################################################################
764	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
765		956
766	sub reattach {	957	sub reattach {
767	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
768	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
769		962
770	my $registry = $obj->registry;	963	my $registry = $obj->registry;
771		964
772	@$registry = ();	965	@$registry = ();
773		966
…		…
820	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
821		1014
822	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
823	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
824	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
825	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
826	close $fh;	1019	close $fh;
827		1020
828	if (@$objs) {	1021	if (@$objs) {
829	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
831	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
832	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
833	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
834	close $fh;	1027	close $fh;
835	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
836	}	1029	}
837	} else {	1030	} else {
838	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
870	or return;	1063	or return;
871	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
872	}	1065	}
873		1066
874	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
875	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
876	return ($data, $av);	1069	return ($data, $av);
877	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
878		1077
879	#############################################################################	1078	#############################################################################
880	# command handling &c	1079	# command handling &c
881		1080
882	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
895	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
896	}	1095	}
897		1096
898	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
899		1098
900	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
901		1104
902	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
903	called.	1106	called.
904		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
905	=cut	1119	=cut
906		1120
907	sub register_extcmd {	1121	sub register_extcmd {
908	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
909		1123
910	my $caller = caller;
911	#warn "registering extcmd '$name' to '$caller'";
912
913	$EXTCMD{$name} = [$cb, $caller];	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
914	}	1131	}
915		1132
916	cf::player->attach (	1133	cf::player->attach (
917	on_command => sub {	1134	on_command => sub {
918	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
927	cf::override;	1144	cf::override;
928	},	1145	},
929	on_extcmd => sub {	1146	on_extcmd => sub {
930	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
931		1148
932	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
933		1150
934	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
935	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
936	if (my %reply = $cb->[0]->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
937	$pl->ext_reply ($msg->{msgid}, %reply);
938	}
939	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
940	} else {	1166	} else {
941	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
942	}	1168	}
943		1169
944	cf::override;	1170	cf::override;
945	},	1171	},
946	);	1172	);
947		1173
948	sub register {
949	my ($base, $pkg) = @_;
950
951	#TODO
952	}
953
954	sub load_extension {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
		1178	for my $path (<$LIBDIR/*.ext>) {
		1179	next unless -r $path;
		1180
		1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
		1238	}
		1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
		1244	};
		1245	}
		1246
		1247	#############################################################################
		1248
		1249	=back
		1250
		1251	=head2 CORE EXTENSIONS
		1252
		1253	Functions and methods that extend core crossfire objects.
		1254
		1255	=cut
		1256
		1257	package cf::player;
		1258
		1259	use Coro::AIO;
		1260
		1261	=head3 cf::player
		1262
		1263	=over 4
		1264
		1265	=item cf::player::find $login
		1266
		1267	Returns the given player object, loading it if necessary (might block).
		1268
		1269	=cut
		1270
		1271	sub playerdir($) {
		1272	"$PLAYERDIR/"
		1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1274	}
		1275
		1276	sub path($) {
		1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1278
		1279	(playerdir $login) . "/playerdata"
		1280	}
		1281
		1282	sub find_active($) {
		1283	$cf::PLAYER{$_[0]}
		1284	and $cf::PLAYER{$_[0]}->active
		1285	and $cf::PLAYER{$_[0]}
		1286	}
		1287
		1288	sub exists($) {
		1289	my ($login) = @_;
		1290
		1291	$cf::PLAYER{$login}
		1292	or cf::sync_job { !aio_stat path $login }
		1293	}
		1294
		1295	sub find($) {
		1296	return $cf::PLAYER{$_[0]} || do {
		1297	my $login = $_[0];
		1298
		1299	my $guard = cf::lock_acquire "user_find:$login";
		1300
		1301	$cf::PLAYER{$_[0]} || do {
		1302	# rename old playerfiles to new ones
		1303	#TODO: remove when no longer required
		1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1307	aio_unlink +(playerdir $login) . "/$login.pl";
		1308
		1309	my $pl = load_pl path $login
		1310	or return;
		1311	$cf::PLAYER{$login} = $pl
		1312	}
		1313	}
		1314	}
		1315
		1316	sub save($) {
		1317	my ($pl) = @_;
		1318
		1319	return if $pl->{deny_save};
		1320
		1321	my $path = path $pl;
		1322	my $guard = cf::lock_acquire "user_save:$path";
		1323
		1324	return if $pl->{deny_save};
		1325
		1326	aio_mkdir playerdir $pl, 0770;
		1327	$pl->{last_save} = $cf::RUNTIME;
		1328
		1329	$pl->save_pl ($path);
		1330	cf::cede_to_tick;
		1331	}
		1332
		1333	sub new($) {
		1334	my ($login) = @_;
		1335
		1336	my $self = create;
		1337
		1338	$self->ob->name ($login);
		1339	$self->{deny_save} = 1;
		1340
		1341	$cf::PLAYER{$login} = $self;
		1342
		1343	$self
		1344	}
		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
		1354	}
		1355
		1356	=item $pl->quit_character
		1357
		1358	Nukes the player without looking back. If logged in, the connection will
		1359	be destroyed. May block for a long time.
		1360
		1361	=cut
		1362
		1363	sub quit_character {
		1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
		1367
		1368	$pl->{deny_save} = 1;
		1369	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1370
		1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1372	$pl->deactivate;
		1373	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1374	$pl->ns->destroy if $pl->ns;
		1375
		1376	my $path = playerdir $pl;
		1377	my $temp = "$path~$cf::RUNTIME~deleting~";
		1378	aio_rename $path, $temp;
		1379	delete $cf::PLAYER{$pl->ob->name};
		1380	$pl->destroy;
		1381
		1382	my $prefix = qr<^~\Q$name\E/>;
		1383
		1384	# nuke player maps
		1385	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1386
		1387	IO::AIO::aio_rmtree $temp;
		1388	}
		1389
		1390	=item $pl->kick
		1391
		1392	Kicks a player out of the game. This destroys the connection.
		1393
		1394	=cut
		1395
		1396	sub kick {
		1397	my ($pl, $kicker) = @_;
		1398
		1399	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1400	$pl->killer ("kicked");
		1401	$pl->ns->destroy;
		1402	}
		1403
		1404	=item cf::player::list_logins
		1405
		1406	Returns am arrayref of all valid playernames in the system, can take a
		1407	while and may block, so not sync_job-capable, ever.
		1408
		1409	=cut
		1410
		1411	sub list_logins {
		1412	my $dirs = aio_readdir $PLAYERDIR
		1413	or return [];
		1414
		1415	my @logins;
		1416
		1417	for my $login (@$dirs) {
		1418	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1419	aio_read $fh, 0, 512, my $buf, 0 or next;
		1420	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1421
		1422	utf8::decode $login;
		1423	push @logins, $login;
		1424	}
		1425
		1426	\@logins
		1427	}
		1428
		1429	=item $player->maps
		1430
		1431	Returns an arrayref of map paths that are private for this
		1432	player. May block.
		1433
		1434	=cut
		1435
		1436	sub maps($) {
		1437	my ($pl) = @_;
		1438
		1439	$pl = ref $pl ? $pl->ob->name : $pl;
		1440
		1441	my $files = aio_readdir playerdir $pl
		1442	or return;
		1443
		1444	my @paths;
		1445
		1446	for (@$files) {
		1447	utf8::decode $_;
		1448	next if /\.(?:pl|pst)$/;
		1449	next unless /^$PATH_SEP/o;
		1450
		1451	push @paths, cf::map::normalise "~$pl/$_";
		1452	}
		1453
		1454	\@paths
		1455	}
		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGHT])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1478	# replace G<male|female> tags
		1479	|| s{G<([^>|]*)\|([^>]*)>}{
		1480	$self->gender ? $2 : $1
		1481	}ge
		1482	# replace H<hint text>
		1483	|| s{H<([^\>]*)>}
		1484	{
		1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1487	"")
		1488	[$self->{hintmode}]
		1489	}ge;
		1490
		1491	# create single paragraphs (very hackish)
		1492	s/(?<=\S)\n(?=\w)/ /g;
		1493
		1494	# compress some whitespace
		1495	s/\s+\n/\n/g; # ws line-ends
		1496	s/\n\n+/\n/g; # double lines
		1497	s/^\n+//; # beginning lines
		1498	s/\n+$//; # ending lines
		1499
		1500	$_
		1501	}
		1502
		1503	sub hintmode {
		1504	$_[0]{hintmode} = $_[1] if @_ > 1;
		1505	$_[0]{hintmode}
		1506	}
		1507
		1508	=item $player->ext_reply ($msgid, @msg)
		1509
		1510	Sends an ext reply to the player.
		1511
		1512	=cut
		1513
		1514	sub ext_reply($$@) {
		1515	my ($self, $id, @msg) = @_;
		1516
		1517	$self->ns->ext_reply ($id, @msg)
		1518	}
		1519
		1520	=item $player->ext_msg ($type, @msg)
		1521
		1522	Sends an ext event to the client.
		1523
		1524	=cut
		1525
		1526	sub ext_msg($$@) {
		1527	my ($self, $type, @msg) = @_;
		1528
		1529	$self->ns->ext_msg ($type, @msg);
		1530	}
		1531
		1532	=head3 cf::region
		1533
		1534	=over 4
		1535
		1536	=cut
		1537
		1538	package cf::region;
		1539
		1540	=item cf::region::find_by_path $path
		1541
		1542	Tries to decuce the likely region for a map knowing only its path.
		1543
		1544	=cut
		1545
		1546	sub find_by_path($) {
955	my ($path) = @_;	1547	my ($path) = @_;
956		1548
957	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1549	my ($match, $specificity);
958	my $base = $1;
959	my $pkg = $1;
960	$pkg =~ s/[^[:word:]]/_/g;
961	$pkg = "ext::$pkg";
962		1550
963	warn "loading '$path' into '$pkg'\n";	1551	for my $region (list) {
964		1552	if ($region->{match} && $path =~ $region->{match}) {
965	open my $fh, "<:utf8", $path	1553	($match, $specificity) = ($region, $region->specificity)
966	or die "$path: $!";	1554	if $region->specificity > $specificity;
967		1555	}
968	my $source =
969	"package $pkg; use strict; use utf8;\n"
970	. "#line 1 \"$path\"\n{\n"
971	. (do { local $/; <$fh> })
972	. "\n};\n1";
973
974	eval $source
975	or die $@ ? "$path: $@\n"
976	: "extension disabled.\n";
977
978	push @exts, $pkg;
979	$ext_pkg{$base} = $pkg;
980
981	# no strict 'refs';
982	# @{"$pkg\::ISA"} = ext::;
983
984	register $base, $pkg;
985	}
986
987	sub unload_extension {
988	my ($pkg) = @_;
989
990	warn "removing extension $pkg\n";
991
992	# remove hooks
993	#TODO
994	# for my $idx (0 .. $#PLUGIN_EVENT) {
995	# delete $hook[$idx]{$pkg};
996	# }	1556	}
997		1557
998	# remove commands	1558	$match
999	for my $name (keys %COMMAND) {
1000	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1001
1002	if (@cb) {
1003	$COMMAND{$name} = \@cb;
1004	} else {
1005	delete $COMMAND{$name};
1006	}
1007	}
1008
1009	# remove extcmds
1010	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1011	delete $EXTCMD{$name};
1012	}
1013
1014	if (my $cb = $pkg->can ("unload")) {
1015	eval {
1016	$cb->($pkg);
1017	1
1018	} or warn "$pkg unloaded, but with errors: $@";
1019	}
1020
1021	Symbol::delete_package $pkg;
1022	}
1023
1024	sub load_extensions {
1025	for my $ext (<$LIBDIR/*.ext>) {
1026	next unless -r $ext;
1027	eval {
1028	load_extension $ext;
1029	1
1030	} or warn "$ext not loaded: $@";
1031	}
1032	}
1033
1034	#############################################################################
1035	# load/save/clean perl data associated with a map
1036
1037	*cf::mapsupport::on_clean = sub {
1038	my ($map) = @_;
1039
1040	my $path = $map->tmpname;
1041	defined $path or return;
1042
1043	unlink "$path.pst";
1044	};
1045
1046	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1047
1048	#############################################################################
1049	# load/save perl data associated with player->ob objects
1050
1051	sub all_objects(@) {
1052	@_, map all_objects ($_->inv), @_
1053	}
1054
1055	# TODO: compatibility cruft, remove when no longer needed
1056	cf::player->attach (
1057	on_load => sub {
1058	my ($pl, $path) = @_;
1059
1060	for my $o (all_objects $pl->ob) {
1061	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1062	$o->set_ob_key_value ("_perl_data");
1063
1064	%$o = %{ Storable::thaw pack "H*", $value };
1065	}
1066	}
1067	},
1068	);
1069
1070	#############################################################################
1071
1072	=head2 CORE EXTENSIONS
1073
1074	Functions and methods that extend core crossfire objects.
1075
1076	=head3 cf::player
1077
1078	=over 4
1079
1080	=item cf::player::exists $login
1081
1082	Returns true when the given account exists.
1083
1084	=cut
1085
1086	sub cf::player::exists($) {
1087	cf::player::find $_[0]
1088	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1089	}
1090
1091	=item $player->ext_reply ($msgid, $msgtype, %msg)
1092
1093	Sends an ext reply to the player.
1094
1095	=cut
1096
1097	sub cf::player::ext_reply($$$%) {
1098	my ($self, $id, %msg) = @_;
1099
1100	$msg{msgid} = $id;
1101
1102	$self->send ("ext " . to_json \%msg);
1103	}	1559	}
1104		1560
1105	=back	1561	=back
1106
1107		1562
1108	=head3 cf::map	1563	=head3 cf::map
1109		1564
1110	=over 4	1565	=over 4
1111		1566
…		…
1114	package cf::map;	1569	package cf::map;
1115		1570
1116	use Fcntl;	1571	use Fcntl;
1117	use Coro::AIO;	1572	use Coro::AIO;
1118		1573
		1574	use overload
		1575	'""' => \&as_string,
		1576	fallback => 1;
		1577
1119	our $MAX_RESET = 3600;	1578	our $MAX_RESET = 3600;
1120	our $DEFAULT_RESET = 3000;	1579	our $DEFAULT_RESET = 3000;
1121		1580
1122	sub generate_random_map {	1581	sub generate_random_map {
1123	my ($path, $rmp) = @_;	1582	my ($self, $rmp) = @_;
1124
1125	# mit "rum" bekleckern, nicht	1583	# mit "rum" bekleckern, nicht
1126	cf::map::_create_random_map	1584	$self->_create_random_map (
1127	$path,
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131	$rmp->{exit_on_final_map},	1588	$rmp->{exit_on_final_map},
1132	$rmp->{xsize}, $rmp->{ysize},	1589	$rmp->{xsize}, $rmp->{ysize},
1133	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1590	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1591	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1592	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1593	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1594	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region})	1595	(cf::region::find $rmp->{region}), $rmp->{custom}
		1596	)
		1597	}
		1598
		1599	=item cf::map->register ($regex, $prio)
		1600
		1601	Register a handler for the map path matching the given regex at the
		1602	givne priority (higher is better, built-in handlers have priority 0, the
		1603	default).
		1604
		1605	=cut
		1606
		1607	sub register {
		1608	my (undef, $regex, $prio) = @_;
		1609	my $pkg = caller;
		1610
		1611	no strict;
		1612	push @{"$pkg\::ISA"}, __PACKAGE__;
		1613
		1614	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1615	}
		1616
		1617	# also paths starting with '/'
		1618	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1619
		1620	sub thawer_merge {
		1621	my ($self, $merge) = @_;
		1622
		1623	# we have to keep some variables in memory intact
		1624	local $self->{path};
		1625	local $self->{load_path};
		1626
		1627	$self->SUPER::thawer_merge ($merge);
		1628	}
		1629
		1630	sub normalise {
		1631	my ($path, $base) = @_;
		1632
		1633	$path = "$path"; # make sure its a string
		1634
		1635	$path =~ s/\.map$//;
		1636
		1637	# map plan:
		1638	#
		1639	# /! non-realised random map exit (special hack!)
		1640	# {... are special paths that are not being touched
		1641	# ?xxx/... are special absolute paths
		1642	# ?random/... random maps
		1643	# /... normal maps
		1644	# ~user/... per-player map of a specific user
		1645
		1646	$path =~ s/$PATH_SEP/\//go;
		1647
		1648	# treat it as relative path if it starts with
		1649	# something that looks reasonable
		1650	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1651	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1652
		1653	$base =~ s{[^/]+/?$}{};
		1654	$path = "$base/$path";
		1655	}
		1656
		1657	for ($path) {
		1658	redo if s{//}{/};
		1659	redo if s{/\.?/}{/};
		1660	redo if s{/[^/]+/\.\./}{/};
		1661	}
		1662
		1663	$path
		1664	}
		1665
		1666	sub new_from_path {
		1667	my (undef, $path, $base) = @_;
		1668
		1669	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1670
		1671	$path = normalise $path, $base;
		1672
		1673	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1674	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1675	my $self = bless cf::map::new, $pkg;
		1676	$self->{path} = $path; $self->path ($path);
		1677	$self->init; # pass $1 etc.
		1678	return $self;
		1679	}
		1680	}
		1681
		1682	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1683	()
		1684	}
		1685
		1686	sub init {
		1687	my ($self) = @_;
		1688
		1689	$self
		1690	}
		1691
		1692	sub as_string {
		1693	my ($self) = @_;
		1694
		1695	"$self->{path}"
		1696	}
		1697
		1698	# the displayed name, this is a one way mapping
		1699	sub visible_name {
		1700	&as_string
		1701	}
		1702
		1703	# the original (read-only) location
		1704	sub load_path {
		1705	my ($self) = @_;
		1706
		1707	"$MAPDIR/$self->{path}.map"
		1708	}
		1709
		1710	# the temporary/swap location
		1711	sub save_path {
		1712	my ($self) = @_;
		1713
		1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1715	"$TMPDIR/$path.map"
		1716	}
		1717
		1718	# the unique path, undef == no special unique path
		1719	sub uniq_path {
		1720	my ($self) = @_;
		1721
		1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1723	"$UNIQUEDIR/$path"
1139	}	1724	}
1140		1725
1141	# and all this just because we cannot iterate over	1726	# and all this just because we cannot iterate over
1142	# all maps in C++...	1727	# all maps in C++...
1143	sub change_all_map_light {	1728	sub change_all_map_light {
…		…
1145		1730
1146	$_->change_map_light ($change)	1731	$_->change_map_light ($change)
1147	for grep $_->outdoor, values %cf::MAP;	1732	for grep $_->outdoor, values %cf::MAP;
1148	}	1733	}
1149		1734
		1735	sub decay_objects {
		1736	my ($self) = @_;
		1737
		1738	return if $self->{deny_reset};
		1739
		1740	$self->do_decay_objects;
		1741	}
		1742
		1743	sub unlink_save {
		1744	my ($self) = @_;
		1745
		1746	utf8::encode (my $save = $self->save_path);
		1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1748	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1749	}
		1750
1150	sub try_load_header($) {	1751	sub load_header_from($) {
1151	my ($path) = @_;	1752	my ($self, $path) = @_;
1152		1753
1153	utf8::encode $path;	1754	utf8::encode $path;
1154	aio_open $path, O_RDONLY, 0	1755	#aio_open $path, O_RDONLY, 0
		1756	# or return;
		1757
		1758	$self->_load_header ($path)
1155	or return;	1759	or return;
1156		1760
1157	my $map = cf::map::new	1761	$self->{load_path} = $path;
		1762
		1763	1
		1764	}
		1765
		1766	sub load_header_orig {
		1767	my ($self) = @_;
		1768
		1769	$self->load_header_from ($self->load_path)
		1770	}
		1771
		1772	sub load_header_temp {
		1773	my ($self) = @_;
		1774
		1775	$self->load_header_from ($self->save_path)
		1776	}
		1777
		1778	sub prepare_temp {
		1779	my ($self) = @_;
		1780
		1781	$self->last_access ((delete $self->{last_access})
		1782	|| $cf::RUNTIME); #d#
		1783	# safety
		1784	$self->{instantiate_time} = $cf::RUNTIME
		1785	if $self->{instantiate_time} > $cf::RUNTIME;
		1786	}
		1787
		1788	sub prepare_orig {
		1789	my ($self) = @_;
		1790
		1791	$self->{load_original} = 1;
		1792	$self->{instantiate_time} = $cf::RUNTIME;
		1793	$self->last_access ($cf::RUNTIME);
		1794	$self->instantiate;
		1795	}
		1796
		1797	sub load_header {
		1798	my ($self) = @_;
		1799
		1800	if ($self->load_header_temp) {
		1801	$self->prepare_temp;
		1802	} else {
		1803	$self->load_header_orig
1158	or return;	1804	or return;
		1805	$self->prepare_orig;
		1806	}
1159		1807
1160	# for better error messages only, will be overwritten	1808	$self->{deny_reset} = 1
1161	$map->path ($path);	1809	if $self->no_reset;
1162		1810
1163	$map->load_header ($path)	1811	$self->default_region (cf::region::find_by_path $self->{path})
1164	or return;	1812	unless $self->default_region;
1165		1813
1166	$map->{load_path} = $path;	1814	1
1167
1168	$map
1169	}	1815	}
1170		1816
1171	sub find;	1817	sub find;
1172	sub find {	1818	sub find {
1173	my ($path, $origin) = @_;	1819	my ($path, $origin) = @_;
1174		1820
1175	#warn "find<$path,$origin>\n";#d#
1176
1177	$path = new cf::path $path, $origin && $origin->path;	1821	$path = normalise $path, $origin && $origin->path;
1178	my $key = $path->as_string;
1179		1822
1180	cf::lock_wait "map_find:$key";	1823	cf::lock_wait "map_find:$path";
1181		1824
1182	$cf::MAP{$key} || do {	1825	$cf::MAP{$path} || do {
1183	my $guard = cf::lock_acquire "map_find:$key";	1826	my $guard = cf::lock_acquire "map_find:$path";
1184		1827	my $map = new_from_path cf::map $path
1185	# do it the slow way
1186	my $map = try_load_header $path->save_path;
1187
1188	Coro::cede;
1189
1190	if ($map) {
1191	$map->last_access ((delete $map->{last_access})
1192	|| $cf::RUNTIME); #d#
1193	# safety
1194	$map->{instantiate_time} = $cf::RUNTIME
1195	if $map->{instantiate_time} > $cf::RUNTIME;
1196	} else {
1197	if (my $rmp = $path->random_map_params) {
1198	$map = generate_random_map $key, $rmp;
1199	} else {
1200	$map = try_load_header $path->load_path;
1201	}
1202
1203	$map or return;	1828	or return;
1204		1829
1205	$map->{load_original} = 1;
1206	$map->{instantiate_time} = $cf::RUNTIME;
1207	$map->last_access ($cf::RUNTIME);
1208	$map->instantiate;
1209
1210	# per-player maps become, after loading, normal maps
1211	$map->per_player (0) if $path->{user_rel};
1212	}
1213
1214	$map->path ($key);
1215	$map->{path} = $path;
1216	$map->{last_save} = $cf::RUNTIME;	1830	$map->{last_save} = $cf::RUNTIME;
1217		1831
1218	Coro::cede;	1832	$map->load_header
		1833	or return;
1219		1834
1220	if ($map->should_reset) {	1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1836	# doing this can freeze the server in a sync job, obviously
		1837	#$cf::WAIT_FOR_TICK->wait;
1221	$map->reset;	1838	$map->reset;
1222	undef $guard;	1839	undef $guard;
1223	$map = find $path	1840	return find $path;
1224	or return;
1225	}	1841	}
1226		1842
1227	$cf::MAP{$key} = $map	1843	$cf::MAP{$path} = $map
1228	}	1844	}
1229	}	1845	}
		1846
		1847	sub pre_load { }
		1848	sub post_load { }
1230		1849
1231	sub load {	1850	sub load {
1232	my ($self) = @_;	1851	my ($self) = @_;
1233		1852
		1853	local $self->{deny_reset} = 1; # loading can take a long time
		1854
1234	my $path = $self->{path};	1855	my $path = $self->{path};
		1856
		1857	{
		1858	my $guard1 = cf::lock_acquire "map_data:$path";
1235	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1859	my $guard2 = cf::lock_acquire "map_load:$path";
1236		1860
1237	return if $self->in_memory != cf::MAP_SWAPPED;	1861	return if $self->in_memory != cf::MAP_SWAPPED;
1238		1862
1239	$self->in_memory (cf::MAP_LOADING);	1863	$self->in_memory (cf::MAP_LOADING);
1240		1864
1241	$self->alloc;	1865	$self->alloc;
		1866
		1867	$self->pre_load;
		1868	cf::cede_to_tick;
		1869
1242	$self->load_objects ($self->{load_path}, 1)	1870	$self->_load_objects ($self->{load_path}, 1)
1243	or return;	1871	or return;
1244		1872
1245	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246	if delete $self->{load_original};	1874	if delete $self->{load_original};
1247		1875
1248	if (my $uniq = $path->uniq_path) {	1876	if (my $uniq = $self->uniq_path) {
1249	utf8::encode $uniq;	1877	utf8::encode $uniq;
1250	if (aio_open $uniq, O_RDONLY, 0) {	1878	if (aio_open $uniq, O_RDONLY, 0) {
1251	$self->clear_unique_items;	1879	$self->clear_unique_items;
1252	$self->load_objects ($uniq, 0);	1880	$self->_load_objects ($uniq, 0);
1253	}	1881	}
1254	}	1882	}
1255		1883
1256	Coro::cede;	1884	cf::cede_to_tick;
1257
1258	# now do the right thing for maps	1885	# now do the right thing for maps
1259	$self->link_multipart_objects;	1886	$self->link_multipart_objects;
1260
1261	if ($self->{path}->is_style_map) {
1262	$self->{deny_save} = 1;
1263	$self->{deny_reset} = 1;
1264	} else {
1265	$self->fix_auto_apply;
1266	$self->decay_objects;
1267	$self->update_buttons;
1268	$self->set_darkness_map;
1269	$self->difficulty ($self->estimate_difficulty)	1887	$self->difficulty ($self->estimate_difficulty)
1270	unless $self->difficulty;	1888	unless $self->difficulty;
		1889	cf::cede_to_tick;
		1890
		1891	unless ($self->{deny_activate}) {
		1892	$self->decay_objects;
		1893	$self->fix_auto_apply;
		1894	$self->update_buttons;
		1895	cf::cede_to_tick;
		1896	$self->set_darkness_map;
		1897	cf::cede_to_tick;
1271	$self->activate;	1898	$self->activate;
1272	}	1899	}
1273		1900
1274	Coro::cede;	1901	$self->{last_save} = $cf::RUNTIME;
		1902	$self->last_access ($cf::RUNTIME);
1275		1903
1276	$self->in_memory (cf::MAP_IN_MEMORY);	1904	$self->in_memory (cf::MAP_IN_MEMORY);
		1905	}
		1906
		1907	$self->post_load;
		1908	}
		1909
		1910	sub customise_for {
		1911	my ($self, $ob) = @_;
		1912
		1913	return find "~" . $ob->name . "/" . $self->{path}
		1914	if $self->per_player;
		1915
		1916	# return find "?party/" . $ob->name . "/" . $self->{path}
		1917	# if $self->per_party;
		1918
		1919	$self
		1920	}
		1921
		1922	# find and load all maps in the 3x3 area around a map
		1923	sub load_neighbours {
		1924	my ($map) = @_;
		1925
		1926	my @neigh; # diagonal neighbours
		1927
		1928	for (0 .. 3) {
		1929	my $neigh = $map->tile_path ($_)
		1930	or next;
		1931	$neigh = find $neigh, $map
		1932	or next;
		1933	$neigh->load;
		1934
		1935	push @neigh,
		1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1938	}
		1939
		1940	for (grep defined $_->[0], @neigh) {
		1941	my ($path, $origin) = @$_;
		1942	my $neigh = find $path, $origin
		1943	or next;
		1944	$neigh->load;
		1945	}
1277	}	1946	}
1278		1947
1279	sub find_sync {	1948	sub find_sync {
1280	my ($path, $origin) = @_;	1949	my ($path, $origin) = @_;
1281		1950
1282	cf::sync_job { cf::map::find $path, $origin }	1951	cf::sync_job { find $path, $origin }
1283	}	1952	}
1284		1953
1285	sub do_load_sync {	1954	sub do_load_sync {
1286	my ($map) = @_;	1955	my ($map) = @_;
1287		1956
		1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1958	if $Coro::current == $Coro::main;
		1959
1288	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
		1961	}
		1962
		1963	our %MAP_PREFETCH;
		1964	our $MAP_PREFETCHER = undef;
		1965
		1966	sub find_async {
		1967	my ($path, $origin, $load) = @_;
		1968
		1969	$path = normalise $path, $origin && $origin->{path};
		1970
		1971	if (my $map = $cf::MAP{$path}) {
		1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1973	}
		1974
		1975	$MAP_PREFETCH{$path} |= $load;
		1976
		1977	$MAP_PREFETCHER ||= cf::async {
		1978	while (%MAP_PREFETCH) {
		1979	while (my ($k, $v) = each %MAP_PREFETCH) {
		1980	if (my $map = find $k) {
		1981	$map->load if $v;
		1982	}
		1983
		1984	delete $MAP_PREFETCH{$k};
		1985	}
		1986	}
		1987	undef $MAP_PREFETCHER;
		1988	};
		1989	$MAP_PREFETCHER->prio (6);
		1990
		1991	()
1289	}	1992	}
1290		1993
1291	sub save {	1994	sub save {
1292	my ($self) = @_;	1995	my ($self) = @_;
1293		1996
1294	my $lock = cf::lock_acquire "map_data:" . $self->path;	1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1295		1998
1296	$self->{last_save} = $cf::RUNTIME;	1999	$self->{last_save} = $cf::RUNTIME;
1297		2000
1298	return unless $self->dirty;	2001	return unless $self->dirty;
1299		2002
1300	my $save = $self->{path}->save_path; utf8::encode $save;	2003	my $save = $self->save_path; utf8::encode $save;
1301	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2004	my $uniq = $self->uniq_path; utf8::encode $uniq;
1302		2005
1303	$self->{load_path} = $save;	2006	$self->{load_path} = $save;
1304		2007
1305	return if $self->{deny_save};	2008	return if $self->{deny_save};
1306		2009
1307	local $self->{last_access} = $self->last_access;#d#	2010	local $self->{last_access} = $self->last_access;#d#
1308		2011
		2012	cf::async {
		2013	$_->contr->save for $self->players;
		2014	};
		2015
1309	if ($uniq) {	2016	if ($uniq) {
1310	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2017	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1311	$self->save_objects ($uniq, cf::IO_UNIQUES);	2018	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1312	} else {	2019	} else {
1313	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2020	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1314	}	2021	}
1315	}	2022	}
1316		2023
1317	sub swap_out {	2024	sub swap_out {
1318	my ($self) = @_;	2025	my ($self) = @_;
1319		2026
1320	# save first because save cedes	2027	# save first because save cedes
1321	$self->save;	2028	$self->save;
1322		2029
1323	my $lock = cf::lock_acquire "map_data:" . $self->path;	2030	my $lock = cf::lock_acquire "map_data:$self->{path}";
1324		2031
1325	return if $self->players;	2032	return if $self->players;
1326	return if $self->in_memory != cf::MAP_IN_MEMORY;	2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
1327	return if $self->{deny_save};	2034	return if $self->{deny_save};
1328		2035
…		…
1332		2039
1333	sub reset_at {	2040	sub reset_at {
1334	my ($self) = @_;	2041	my ($self) = @_;
1335		2042
1336	# TODO: safety, remove and allow resettable per-player maps	2043	# TODO: safety, remove and allow resettable per-player maps
1337	return 1e99 if $self->{path}{user_rel};
1338	return 1e99 if $self->{deny_reset};	2044	return 1e99 if $self->{deny_reset};
1339		2045
1340	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2046	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1341	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2047	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1342		2048
…		…
1347	my ($self) = @_;	2053	my ($self) = @_;
1348		2054
1349	$self->reset_at <= $cf::RUNTIME	2055	$self->reset_at <= $cf::RUNTIME
1350	}	2056	}
1351		2057
1352	sub unlink_save {
1353	my ($self) = @_;
1354
1355	utf8::encode (my $save = $self->{path}->save_path);
1356	aioreq_pri 3; IO::AIO::aio_unlink $save;
1357	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1358	}
1359
1360	sub rename {
1361	my ($self, $new_path) = @_;
1362
1363	$self->unlink_save;
1364
1365	delete $cf::MAP{$self->path};
1366	$self->{path} = new cf::path $new_path;
1367	$self->path ($self->{path}->as_string);
1368	$cf::MAP{$self->path} = $self;
1369
1370	$self->save;
1371	}
1372
1373	sub reset {	2058	sub reset {
1374	my ($self) = @_;	2059	my ($self) = @_;
1375		2060
1376	my $lock = cf::lock_acquire "map_data:" . $self->path;	2061	my $lock = cf::lock_acquire "map_data:$self->{path}";
1377		2062
1378	return if $self->players;	2063	return if $self->players;
1379	return if $self->{path}{user_rel};#d#
1380		2064
1381	warn "resetting map ", $self->path;#d#	2065	warn "resetting map ", $self->path;
		2066
		2067	$self->in_memory (cf::MAP_SWAPPED);
		2068
		2069	# need to save uniques path
		2070	unless ($self->{deny_save}) {
		2071	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2072
		2073	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2074	if $uniq;
		2075	}
1382		2076
1383	delete $cf::MAP{$self->path};	2077	delete $cf::MAP{$self->path};
		2078
		2079	$self->clear;
1384		2080
1385	$_->clear_links_to ($self) for values %cf::MAP;	2081	$_->clear_links_to ($self) for values %cf::MAP;
1386		2082
1387	$self->unlink_save;	2083	$self->unlink_save;
1388	$self->destroy;	2084	$self->destroy;
…		…
1391	my $nuke_counter = "aaaa";	2087	my $nuke_counter = "aaaa";
1392		2088
1393	sub nuke {	2089	sub nuke {
1394	my ($self) = @_;	2090	my ($self) = @_;
1395		2091
		2092	{
		2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2094
		2095	delete $cf::MAP{$self->path};
		2096
		2097	$self->unlink_save;
		2098
		2099	bless $self, "cf::map";
		2100	delete $self->{deny_reset};
1396	$self->{deny_save} = 1;	2101	$self->{deny_save} = 1;
1397	$self->reset_timeout (1);	2102	$self->reset_timeout (1);
1398	$self->rename ("{nuke}/" . ($nuke_counter++));	2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2104
		2105	$cf::MAP{$self->path} = $self;
		2106	}
		2107
1399	$self->reset; # polite request, might not happen	2108	$self->reset; # polite request, might not happen
1400	}	2109	}
1401		2110
1402	sub customise_for {	2111	=item $maps = cf::map::tmp_maps
1403	my ($map, $ob) = @_;
1404		2112
1405	if ($map->per_player) {	2113	Returns an arrayref with all map paths of currently instantiated and saved
1406	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2114	maps. May block.
		2115
		2116	=cut
		2117
		2118	sub tmp_maps() {
1407	}	2119	[
1408		2120	map {
1409	$map	2121	utf8::decode $_;
		2122	/\.map$/
		2123	? normalise $_
		2124	: ()
		2125	} @{ aio_readdir $TMPDIR or [] }
		2126	]
1410	}	2127	}
1411		2128
1412	sub emergency_save {	2129	=item $maps = cf::map::random_maps
1413	my $freeze_guard = cf::freeze_mainloop;
1414		2130
1415	warn "enter emergency map save\n";	2131	Returns an arrayref with all map paths of currently instantiated and saved
		2132	random maps. May block.
1416		2133
1417	cf::sync_job {	2134	=cut
1418	warn "begin emergency map save\n";
1419	$_->save for values %cf::MAP;
1420	};
1421		2135
1422	warn "end emergency map save\n";	2136	sub random_maps() {
		2137	[
		2138	map {
		2139	utf8::decode $_;
		2140	/\.map$/
		2141	? normalise "?random/$_"
		2142	: ()
		2143	} @{ aio_readdir $RANDOMDIR or [] }
		2144	]
		2145	}
		2146
		2147	=item cf::map::unique_maps
		2148
		2149	Returns an arrayref of paths of all shared maps that have
		2150	instantiated unique items. May block.
		2151
		2152	=cut
		2153
		2154	sub unique_maps() {
		2155	[
		2156	map {
		2157	utf8::decode $_;
		2158	/\.map$/
		2159	? normalise $_
		2160	: ()
		2161	} @{ aio_readdir $UNIQUEDIR or [] }
		2162	]
1423	}	2163	}
1424		2164
1425	package cf;	2165	package cf;
1426		2166
1427	=back	2167	=back
1428		2168
		2169	=head3 cf::object
		2170
		2171	=cut
		2172
		2173	package cf::object;
		2174
		2175	=over 4
		2176
		2177	=item $ob->inv_recursive
		2178
		2179	Returns the inventory of the object _and_ their inventories, recursively.
		2180
		2181	=cut
		2182
		2183	sub inv_recursive_;
		2184	sub inv_recursive_ {
		2185	map { $_, inv_recursive_ $_->inv } @_
		2186	}
		2187
		2188	sub inv_recursive {
		2189	inv_recursive_ inv $_[0]
		2190	}
		2191
		2192	package cf;
		2193
		2194	=back
1429		2195
1430	=head3 cf::object::player	2196	=head3 cf::object::player
1431		2197
1432	=over 4	2198	=over 4
1433		2199
…		…
1447		2213
1448	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2214	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1449		2215
1450	if ($self->{record_replies}) {	2216	if ($self->{record_replies}) {
1451	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2217	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2218
1452	} else {	2219	} else {
		2220	my $pl = $self->contr;
		2221
		2222	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2223	my $dialog = $pl->{npc_dialog};
		2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2225
		2226	} else {
1453	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1454	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1455	}	2230	}
		2231	}
		2232
		2233	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2234
		2235	=cut
		2236
		2237	sub cf::object::send_msg {
		2238	my $pl = shift->contr
		2239	or return;
		2240	$pl->send_msg (@_);
1456	}	2241	}
1457		2242
1458	=item $player_object->may ("access")	2243	=item $player_object->may ("access")
1459		2244
1460	Returns wether the given player is authorized to access resource "access"	2245	Returns wether the given player is authorized to access resource "access"
…		…
1473		2258
1474	=item $player_object->enter_link	2259	=item $player_object->enter_link
1475		2260
1476	Freezes the player and moves him/her to a special map (C<{link}>).	2261	Freezes the player and moves him/her to a special map (C<{link}>).
1477		2262
1478	The player should be reaosnably safe there for short amounts of time. You	2263	The player should be reasonably safe there for short amounts of time. You
1479	I<MUST> call C<leave_link> as soon as possible, though.	2264	I<MUST> call C<leave_link> as soon as possible, though.
1480		2265
		2266	Will never block.
		2267
1481	=item $player_object->leave_link ($map, $x, $y)	2268	=item $player_object->leave_link ($map, $x, $y)
1482		2269
1483	Moves the player out of the specila link map onto the given map. If the	2270	Moves the player out of the special C<{link}> map onto the specified
1484	map is not valid (or omitted), the player will be moved back to the	2271	map. If the map is not valid (or omitted), the player will be moved back
1485	location he/she was before the call to C<enter_link>, or, if that fails,	2272	to the location he/she was before the call to C<enter_link>, or, if that
1486	to the emergency map position.	2273	fails, to the emergency map position.
1487		2274
1488	Might block.	2275	Might block.
1489		2276
1490	=cut	2277	=cut
		2278
		2279	sub link_map {
		2280	unless ($LINK_MAP) {
		2281	$LINK_MAP = cf::map::find "{link}"
		2282	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2283	$LINK_MAP->load;
		2284	}
		2285
		2286	$LINK_MAP
		2287	}
1491		2288
1492	sub cf::object::player::enter_link {	2289	sub cf::object::player::enter_link {
1493	my ($self) = @_;	2290	my ($self) = @_;
1494		2291
1495	$self->deactivate_recursive;	2292	$self->deactivate_recursive;
1496		2293
1497	return if $self->map == $LINK_MAP;	2294	return if UNIVERSAL::isa $self->map, "ext::map_link";
1498		2295
1499	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1500	if $self->map;	2297	if $self->map && $self->map->{path} ne "{link}";
1501		2298
1502	$self->enter_map ($LINK_MAP, 20, 20);	2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1503	}	2300	}
1504		2301
1505	sub cf::object::player::leave_link {	2302	sub cf::object::player::leave_link {
1506	my ($self, $map, $x, $y) = @_;	2303	my ($self, $map, $x, $y) = @_;
		2304
		2305	return unless $self->contr->active;
1507		2306
1508	my $link_pos = delete $self->{_link_pos};	2307	my $link_pos = delete $self->{_link_pos};
1509		2308
1510	unless ($map) {	2309	unless ($map) {
1511	# restore original map position	2310	# restore original map position
…		…
1525	# use -1 or undef as default coordinates, not 0, 0	2324	# use -1 or undef as default coordinates, not 0, 0
1526	($x, $y) = ($map->enter_x, $map->enter_y)	2325	($x, $y) = ($map->enter_x, $map->enter_y)
1527	if $x <=0 && $y <= 0;	2326	if $x <=0 && $y <= 0;
1528		2327
1529	$map->load;	2328	$map->load;
		2329	$map->load_neighbours;
1530		2330
		2331	return unless $self->contr->active;
1531	$self->activate_recursive;	2332	$self->activate_recursive;
		2333
		2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1532	$self->enter_map ($map, $x, $y);	2335	$self->enter_map ($map, $x, $y);
1533	}	2336	}
1534		2337
1535	cf::player->attach (	2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1536	on_logout => sub {
1537	my ($pl) = @_;
1538		2339
1539	# abort map switching before logout	2340	Moves the player to the given map-path and coordinates by first freezing
1540	if ($pl->ob->{_link_pos}) {	2341	her, loading and preparing them map, calling the provided $check callback
1541	cf::sync_job {	2342	that has to return the map if sucecssful, and then unfreezes the player on
1542	$pl->ob->leave_link	2343	the new (success) or old (failed) map position. In either case, $done will
1543	};	2344	be called at the end of this process.
1544	}
1545	},
1546	on_login => sub {
1547	my ($pl) = @_;
1548		2345
1549	# try to abort aborted map switching on player login :)
1550	# should happen only on crashes
1551	if ($pl->ob->{_link_pos}) {
1552
1553	$pl->ob->enter_link;
1554	(async {
1555	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn
1557	$pl->ob->reply (undef,
1558	"There was an internal problem at your last logout, "
1559	. "the server will try to bring you to your intended destination in a second.",
1560	cf::NDI_RED);
1561	Coro::Timer::sleep 1;
1562	$pl->ob->leave_link;
1563	})->prio (2);
1564	}
1565	},
1566	);
1567
1568	=item $player_object->goto ($path, $x, $y)
1569
1570	=cut	2346	=cut
		2347
		2348	our $GOTOGEN;
1571		2349
1572	sub cf::object::player::goto {	2350	sub cf::object::player::goto {
1573	my ($self, $path, $x, $y) = @_;	2351	my ($self, $path, $x, $y, $check, $done) = @_;
		2352
		2353	# do generation counting so two concurrent goto's will be executed in-order
		2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1574		2355
1575	$self->enter_link;	2356	$self->enter_link;
1576		2357
1577	(async {	2358	(async {
1578	$path = new cf::path $path;	2359	my $map = eval {
1579
1580	my $map = cf::map::find $path->as_string;	2360	my $map = cf::map::find $path;
		2361
		2362	if ($map) {
1581	$map = $map->customise_for ($self) if $map;	2363	$map = $map->customise_for ($self);
1582		2364	$map = $check->($map) if $check && $map;
1583	# warn "entering ", $map->path, " at ($x, $y)\n"	2365	} else {
1584	# if $map;
1585
1586	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2367	}
1587		2368
		2369	$map
		2370	};
		2371
		2372	if ($@) {
		2373	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2374	LOG llevError | logBacktrace, Carp::longmess $@;
		2375	}
		2376
		2377	if ($gen == $self->{_goto_generation}) {
		2378	delete $self->{_goto_generation};
1588	$self->leave_link ($map, $x, $y);	2379	$self->leave_link ($map, $x, $y);
		2380	}
		2381
		2382	$done->() if $done;
1589	})->prio (1);	2383	})->prio (1);
1590	}	2384	}
1591		2385
1592	=item $player_object->enter_exit ($exit_object)	2386	=item $player_object->enter_exit ($exit_object)
1593		2387
…		…
1595		2389
1596	sub parse_random_map_params {	2390	sub parse_random_map_params {
1597	my ($spec) = @_;	2391	my ($spec) = @_;
1598		2392
1599	my $rmp = { # defaults	2393	my $rmp = { # defaults
1600	xsize => 10,	2394	xsize => (cf::rndm 15, 40),
1601	ysize => 10,	2395	ysize => (cf::rndm 15, 40),
		2396	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2397	#layout => string,
1602	};	2398	};
1603		2399
1604	for (split /\n/, $spec) {	2400	for (split /\n/, $spec) {
1605	my ($k, $v) = split /\s+/, $_, 2;	2401	my ($k, $v) = split /\s+/, $_, 2;
1606		2402
…		…
1610	$rmp	2406	$rmp
1611	}	2407	}
1612		2408
1613	sub prepare_random_map {	2409	sub prepare_random_map {
1614	my ($exit) = @_;	2410	my ($exit) = @_;
		2411
		2412	my $guard = cf::lock_acquire "exit_prepare:$exit";
1615		2413
1616	# all this does is basically replace the /! path by	2414	# all this does is basically replace the /! path by
1617	# a new random map path (?random/...) with a seed	2415	# a new random map path (?random/...) with a seed
1618	# that depends on the exit object	2416	# that depends on the exit object
1619		2417
1620	my $rmp = parse_random_map_params $exit->msg;	2418	my $rmp = parse_random_map_params $exit->msg;
1621		2419
1622	if ($exit->map) {	2420	if ($exit->map) {
1623	$rmp->{region} = $exit->map->region_name;	2421	$rmp->{region} = $exit->region->name;
1624	$rmp->{origin_map} = $exit->map->path;	2422	$rmp->{origin_map} = $exit->map->path;
1625	$rmp->{origin_x} = $exit->x;	2423	$rmp->{origin_x} = $exit->x;
1626	$rmp->{origin_y} = $exit->y;	2424	$rmp->{origin_y} = $exit->y;
1627	}	2425	}
1628		2426
1629	$rmp->{random_seed} ||= $exit->random_seed;	2427	$rmp->{random_seed} ||= $exit->random_seed;
1630		2428
1631	my $data = cf::to_json $rmp;	2429	my $data = cf::to_json $rmp;
1632	my $md5 = Digest::MD5::md5_hex $data;	2430	my $md5 = Digest::MD5::md5_hex $data;
		2431	my $meta = "$RANDOMDIR/$md5.meta";
1633		2432
1634	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1635	aio_write $fh, 0, (length $data), $data, 0;	2434	aio_write $fh, 0, (length $data), $data, 0;
		2435	undef $fh;
		2436	aio_rename "$meta~", $meta;
1636		2437
1637	$exit->slaying ("?random/$md5");	2438	$exit->slaying ("?random/$md5");
1638	$exit->msg (undef);	2439	$exit->msg (undef);
1639	}	2440	}
1640	}	2441	}
…		…
1642	sub cf::object::player::enter_exit {	2443	sub cf::object::player::enter_exit {
1643	my ($self, $exit) = @_;	2444	my ($self, $exit) = @_;
1644		2445
1645	return unless $self->type == cf::PLAYER;	2446	return unless $self->type == cf::PLAYER;
1646		2447
		2448	if ($exit->slaying eq "/!") {
		2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2450	# the problem is that $exit might not survive long enough
		2451	# so it needs to be done right now, right here
		2452	cf::sync_job { prepare_random_map $exit };
		2453	}
		2454
		2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2456	my $hp = $exit->stats->hp;
		2457	my $sp = $exit->stats->sp;
		2458
1647	$self->enter_link;	2459	$self->enter_link;
		2460
		2461	# if exit is damned, update players death & WoR home-position
		2462	$self->contr->savebed ($slaying, $hp, $sp)
		2463	if $exit->flag (FLAG_DAMNED);
1648		2464
1649	(async {	2465	(async {
1650	$self->deactivate_recursive; # just to be sure	2466	$self->deactivate_recursive; # just to be sure
1651	unless (eval {	2467	unless (eval {
1652	prepare_random_map $exit	2468	$self->goto ($slaying, $hp, $sp);
1653	if $exit->slaying eq "/!";
1654
1655	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1656	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1657		2469
1658	1;	2470	1;
1659	}) {	2471	}) {
1660	$self->message ("Something went wrong deep within the crossfire server. "	2472	$self->message ("Something went wrong deep within the crossfire server. "
1661	. "I'll try to bring you back to the map you were before. "	2473	. "I'll try to bring you back to the map you were before. "
1662	. "Please report this to the dungeon master",	2474	. "Please report this to the dungeon master!",
1663	cf::NDI_UNIQUE | cf::NDI_RED);	2475	cf::NDI_UNIQUE | cf::NDI_RED);
1664		2476
1665	warn "ERROR in enter_exit: $@";	2477	warn "ERROR in enter_exit: $@";
1666	$self->leave_link;	2478	$self->leave_link;
1667	}	2479	}
1668	})->prio (1);	2480	})->prio (1);
…		…
1681		2493
1682	sub cf::client::send_drawinfo {	2494	sub cf::client::send_drawinfo {
1683	my ($self, $text, $flags) = @_;	2495	my ($self, $text, $flags) = @_;
1684		2496
1685	utf8::encode $text;	2497	utf8::encode $text;
1686	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1687	}	2499	}
1688		2500
		2501	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2502
		2503	Send a drawinfo or msg packet to the client, formatting the msg for the
		2504	client if neccessary. C<$type> should be a string identifying the type of
		2505	the message, with C<log> being the default. If C<$color> is negative, suppress
		2506	the message unless the client supports the msg packet.
		2507
		2508	=cut
		2509
		2510	our %CHANNEL = (
		2511	"c/identify" => {
		2512	id => "identify",
		2513	title => "Identify",
		2514	reply => undef,
		2515	tooltip => "Items recently identified",
		2516	},
		2517	"c/examine" => {
		2518	id => "examine",
		2519	title => "Examine",
		2520	reply => undef,
		2521	tooltip => "Signs and other items you examined",
		2522	},
		2523	);
		2524
		2525	sub cf::client::send_msg {
		2526	my ($self, $channel, $msg, $color, @extra) = @_;
		2527
		2528	$msg = $self->pl->expand_cfpod ($msg);
		2529
		2530	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2531
		2532	# check predefined channels, for the benefit of C
		2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2534
		2535	if (ref $channel) {
		2536	# send meta info to client, if not yet sent
		2537	unless (exists $self->{channel}{$channel->{id}}) {
		2538	$self->{channel}{$channel->{id}} = $channel;
		2539	$self->ext_msg (channel_info => $channel);
		2540	}
		2541
		2542	$channel = $channel->{id};
		2543	}
		2544
		2545	return unless @extra || length $msg;
		2546
		2547	if ($self->can_msg) {
		2548	# default colour, mask it out
		2549	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2550	if $color & cf::NDI_DEF;
		2551
		2552	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2553	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2554	} else {
		2555	if ($color >= 0) {
		2556	# replace some tags by gcfclient-compatible ones
		2557	for ($msg) {
		2558	1 while
		2559	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2560	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2561	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2562	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2563	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2564	}
		2565
		2566	$color &= cf::NDI_COLOR_MASK;
		2567
		2568	utf8::encode $msg;
		2569
		2570	if (0 && $msg =~ /\[/) {
		2571	# COMMAND/INFO
		2572	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2573	} else {
		2574	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2575	$self->send_packet ("drawinfo $color $msg")
		2576	}
		2577	}
		2578	}
		2579	}
		2580
		2581	=item $client->ext_msg ($type, @msg)
		2582
		2583	Sends an ext event to the client.
		2584
		2585	=cut
		2586
		2587	sub cf::client::ext_msg($$@) {
		2588	my ($self, $type, @msg) = @_;
		2589
		2590	if ($self->extcmd == 2) {
		2591	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2592	} elsif ($self->extcmd == 1) { # TODO: remove
		2593	push @msg, msgtype => "event_$type";
		2594	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2595	}
		2596	}
		2597
		2598	=item $client->ext_reply ($msgid, @msg)
		2599
		2600	Sends an ext reply to the client.
		2601
		2602	=cut
		2603
		2604	sub cf::client::ext_reply($$@) {
		2605	my ($self, $id, @msg) = @_;
		2606
		2607	if ($self->extcmd == 2) {
		2608	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2609	} elsif ($self->extcmd == 1) {
		2610	#TODO: version 1, remove
		2611	unshift @msg, msgtype => "reply", msgid => $id;
		2612	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2613	}
		2614	}
1689		2615
1690	=item $success = $client->query ($flags, "text", \&cb)	2616	=item $success = $client->query ($flags, "text", \&cb)
1691		2617
1692	Queues a query to the client, calling the given callback with	2618	Queues a query to the client, calling the given callback with
1693	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2619	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1694	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2620	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1695		2621
1696	Queries can fail, so check the return code. Or don't, as queries will become	2622	Queries can fail, so check the return code. Or don't, as queries will
1697	reliable at some point in the future.	2623	become reliable at some point in the future.
1698		2624
1699	=cut	2625	=cut
1700		2626
1701	sub cf::client::query {	2627	sub cf::client::query {
1702	my ($self, $flags, $text, $cb) = @_;	2628	my ($self, $flags, $text, $cb) = @_;
…		…
1710	utf8::encode $text;	2636	utf8::encode $text;
1711	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2637	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1712		2638
1713	$self->send_packet ($self->{query_queue}[0][0])	2639	$self->send_packet ($self->{query_queue}[0][0])
1714	if @{ $self->{query_queue} } == 1;	2640	if @{ $self->{query_queue} } == 1;
		2641
		2642	1
1715	}	2643	}
1716		2644
1717	cf::client->attach (	2645	cf::client->attach (
		2646	on_connect => sub {
		2647	my ($ns) = @_;
		2648
		2649	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2650	},
1718	on_reply => sub {	2651	on_reply => sub {
1719	my ($ns, $msg) = @_;	2652	my ($ns, $msg) = @_;
1720		2653
1721	# this weird shuffling is so that direct followup queries	2654	# this weird shuffling is so that direct followup queries
1722	# get handled first	2655	# get handled first
1723	my $queue = delete $ns->{query_queue}	2656	my $queue = delete $ns->{query_queue}
1724	or return; # be conservative, not sure how that can happen, but we saw a crash here	2657	or return; # be conservative, not sure how that can happen, but we saw a crash here
1725		2658
1726	(shift @$queue)->[1]->($msg);	2659	(shift @$queue)->[1]->($msg);
		2660	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1727		2661
1728	push @{ $ns->{query_queue} }, @$queue;	2662	push @{ $ns->{query_queue} }, @$queue;
1729		2663
1730	if (@{ $ns->{query_queue} } == @$queue) {	2664	if (@{ $ns->{query_queue} } == @$queue) {
1731	if (@$queue) {	2665	if (@$queue) {
…		…
1733	} else {	2667	} else {
1734	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2668	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1735	}	2669	}
1736	}	2670	}
1737	},	2671	},
		2672	on_exticmd => sub {
		2673	my ($ns, $buf) = @_;
		2674
		2675	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2676
		2677	if (ref $msg) {
		2678	my ($type, $reply, @payload) =
		2679	"ARRAY" eq ref $msg
		2680	? @$msg
		2681	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2682
		2683	my @reply;
		2684
		2685	if (my $cb = $EXTICMD{$type}) {
		2686	@reply = $cb->($ns, @payload);
		2687	}
		2688
		2689	$ns->ext_reply ($reply, @reply)
		2690	if $reply;
		2691
		2692	} else {
		2693	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2694	}
		2695
		2696	cf::override;
		2697	},
1738	);	2698	);
1739		2699
1740	=item $client->async (\&cb)	2700	=item $client->async (\&cb)
1741		2701
1742	Create a new coroutine, running the specified callback. The coroutine will	2702	Create a new coroutine, running the specified callback. The coroutine will
…		…
1783	our $safe = new Safe "safe";	2743	our $safe = new Safe "safe";
1784	our $safe_hole = new Safe::Hole;	2744	our $safe_hole = new Safe::Hole;
1785		2745
1786	$SIG{FPE} = 'IGNORE';	2746	$SIG{FPE} = 'IGNORE';
1787		2747
1788	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2748	$safe->permit_only (Opcode::opset qw(
		2749	:base_core :base_mem :base_orig :base_math
		2750	grepstart grepwhile mapstart mapwhile
		2751	sort time
		2752	));
1789		2753
1790	# here we export the classes and methods available to script code	2754	# here we export the classes and methods available to script code
1791		2755
1792	=pod	2756	=pod
1793		2757
1794	The following fucntions and emthods are available within a safe environment:	2758	The following functions and methods are available within a safe environment:
1795		2759
1796	cf::object contr pay_amount pay_player map	2760	cf::object
		2761	contr pay_amount pay_player map x y force_find force_add
		2762	insert remove name archname title slaying race decrease_ob_nr
		2763
1797	cf::object::player player	2764	cf::object::player
1798	cf::player peaceful	2765	player
1799	cf::map trigger	2766
		2767	cf::player
		2768	peaceful
		2769
		2770	cf::map
		2771	trigger
1800		2772
1801	=cut	2773	=cut
1802		2774
1803	for (	2775	for (
1804	["cf::object" => qw(contr pay_amount pay_player map)],	2776	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2777	insert remove inv name archname title slaying race
		2778	decrease_ob_nr)],
1805	["cf::object::player" => qw(player)],	2779	["cf::object::player" => qw(player)],
1806	["cf::player" => qw(peaceful)],	2780	["cf::player" => qw(peaceful)],
1807	["cf::map" => qw(trigger)],	2781	["cf::map" => qw(trigger)],
1808	) {	2782	) {
1809	no strict 'refs';	2783	no strict 'refs';
…		…
1880	=back	2854	=back
1881		2855
1882	=cut	2856	=cut
1883		2857
1884	#############################################################################	2858	#############################################################################
		2859	# the server's init and main functions
1885		2860
1886	=head2 EXTENSION DATABASE SUPPORT	2861	sub load_facedata($) {
		2862	my ($path) = @_;
1887		2863
1888	Crossfire maintains a very simple database for extension use. It can	2864	# HACK to clear player env face cache, we need some signal framework
1889	currently store anything that can be serialised using Storable, which	2865	# for this (global event?)
1890	excludes objects.	2866	%ext::player_env::MUSIC_FACE_CACHE = ();
1891		2867
1892	The parameter C<$family> should best start with the name of the extension	2868	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1893	using it, it should be unique.
1894		2869
1895	=over 4	2870	warn "loading facedata from $path\n";
1896		2871
1897	=item $hashref = cf::db_get $family	2872	my $facedata;
		2873	0 < aio_load $path, $facedata
		2874	or die "$path: $!";
1898		2875
1899	Return a hashref for use by the extension C<$family>, which can be	2876	$facedata = Coro::Storable::thaw $facedata;
1900	modified. After modifications, you have to call C<cf::db_dirty> or
1901	C<cf::db_sync>.
1902		2877
1903	=item $value = cf::db_get $family => $key	2878	$facedata->{version} == 2
		2879	or cf::cleanup "$path: version mismatch, cannot proceed.";
1904		2880
1905	Returns a single value from the database	2881	# patch in the exptable
1906		2882	$facedata->{resource}{"res/exp_table"} = {
1907	=item cf::db_put $family => $hashref	2883	type => FT_RSRC,
1908		2884	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
1909	Stores the given family hashref into the database. Updates are delayed, if
1910	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1911
1912	=item cf::db_put $family => $key => $value
1913
1914	Stores the given C<$value> in the family hash. Updates are delayed, if you
1915	want the data to be synced to disk immediately, use C<cf::db_sync>.
1916
1917	=item cf::db_dirty
1918
1919	Marks the database as dirty, to be updated at a later time.
1920
1921	=item cf::db_sync
1922
1923	Immediately write the database to disk I<if it is dirty>.
1924
1925	=cut
1926
1927	our $DB;
1928
1929	{
1930	my $path = cf::localdir . "/database.pst";
1931
1932	sub db_load() {
1933	$DB = stat $path ? Storable::retrieve $path : { };
1934	}
1935
1936	my $pid;
1937
1938	sub db_save() {
1939	waitpid $pid, 0 if $pid;
1940	if (0 == ($pid = fork)) {
1941	$DB->{_meta}{version} = 1;
1942	Storable::nstore $DB, "$path~";
1943	rename "$path~", $path;
1944	cf::_exit 0 if defined $pid;
1945	}
1946	}
1947
1948	my $dirty;
1949
1950	sub db_sync() {
1951	db_save if $dirty;
1952	undef $dirty;
1953	}
1954
1955	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1956	db_sync;
1957	});	2885	};
		2886	cf::cede_to_tick;
1958		2887
1959	sub db_dirty() {
1960	$dirty = 1;
1961	$idle->start;
1962	}	2888	{
		2889	my $faces = $facedata->{faceinfo};
1963		2890
1964	sub db_get($;$) {	2891	while (my ($face, $info) = each %$faces) {
1965	@_ >= 2	2892	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1966	? $DB->{$_[0]}{$_[1]}	2893	cf::face::set_visibility $idx, $info->{visibility};
1967	: ($DB->{$_[0]} ||= { })	2894	cf::face::set_magicmap $idx, $info->{magicmap};
1968	}	2895	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2896	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
1969		2897
1970	sub db_put($$;$) {	2898	cf::cede_to_tick;
1971	if (@_ >= 3) {
1972	$DB->{$_[0]}{$_[1]} = $_[2];
1973	} else {
1974	$DB->{$_[0]} = $_[1];
1975	}
1976	db_dirty;
1977	}
1978
1979	cf::global->attach (
1980	prio => 10000,
1981	on_cleanup => sub {
1982	db_sync;
1983	},	2899	}
1984	);
1985	}
1986		2900
1987	#############################################################################	2901	while (my ($face, $info) = each %$faces) {
1988	# the server's main()	2902	next unless $info->{smooth};
		2903	my $idx = cf::face::find $face
		2904	or next;
		2905	if (my $smooth = cf::face::find $info->{smooth}) {
		2906	cf::face::set_smooth $idx, $smooth;
		2907	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2908	} else {
		2909	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2910	}
1989		2911
1990	sub cfg_load {	2912	cf::cede_to_tick;
		2913	}
		2914	}
		2915
		2916	{
		2917	my $anims = $facedata->{animinfo};
		2918
		2919	while (my ($anim, $info) = each %$anims) {
		2920	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2921	cf::cede_to_tick;
		2922	}
		2923
		2924	cf::anim::invalidate_all; # d'oh
		2925	}
		2926
		2927	{
		2928	# TODO: for gcfclient pleasure, we should give resources
		2929	# that gcfclient doesn't grok a >10000 face index.
		2930	my $res = $facedata->{resource};
		2931
		2932	my $soundconf = delete $res->{"res/sound.conf"};
		2933
		2934	while (my ($name, $info) = each %$res) {
		2935	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2936	my $data;
		2937
		2938	if ($info->{type} & 1) {
		2939	# prepend meta info
		2940
		2941	my $meta = $enc->encode ({
		2942	name => $name,
		2943	%{ $info->{meta} || {} },
		2944	});
		2945
		2946	$data = pack "(w/a*)*", $meta, $info->{data};
		2947	} else {
		2948	$data = $info->{data};
		2949	}
		2950
		2951	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2952	cf::face::set_type $idx, $info->{type};
		2953
		2954	cf::cede_to_tick;
		2955	}
		2956
		2957	if ($soundconf) {
		2958	$soundconf = $enc->decode (delete $soundconf->{data});
		2959
		2960	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2961	my $sound = $soundconf->{compat}[$_]
		2962	or next;
		2963
		2964	my $face = cf::face::find "sound/$sound->[1]";
		2965	cf::sound::set $sound->[0] => $face;
		2966	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2967	}
		2968
		2969	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2970	my $face = cf::face::find "sound/$v";
		2971	cf::sound::set $k => $face;
		2972	}
		2973	}
		2974	}
		2975
		2976	1
		2977	}
		2978
		2979	register_exticmd fx_want => sub {
		2980	my ($ns, $want) = @_;
		2981
		2982	while (my ($k, $v) = each %$want) {
		2983	$ns->fx_want ($k, $v);
		2984	}
		2985	};
		2986
		2987	sub reload_regions {
		2988	# HACK to clear player env face cache, we need some signal framework
		2989	# for this (global event?)
		2990	%ext::player_env::MUSIC_FACE_CACHE = ();
		2991
		2992	load_resource_file "$MAPDIR/regions"
		2993	or die "unable to load regions file\n";
		2994
		2995	for (cf::region::list) {
		2996	$_->{match} = qr/$_->{match}/
		2997	if exists $_->{match};
		2998	}
		2999	}
		3000
		3001	sub reload_facedata {
		3002	load_facedata "$DATADIR/facedata"
		3003	or die "unable to load facedata\n";
		3004	}
		3005
		3006	sub reload_archetypes {
		3007	load_resource_file "$DATADIR/archetypes"
		3008	or die "unable to load archetypes\n";
		3009	#d# NEED to laod twice to resolve forward references
		3010	# this really needs to be done in an extra post-pass
		3011	# (which needs to be synchronous, so solve it differently)
		3012	load_resource_file "$DATADIR/archetypes"
		3013	or die "unable to load archetypes\n";
		3014	}
		3015
		3016	sub reload_treasures {
		3017	load_resource_file "$DATADIR/treasures"
		3018	or die "unable to load treasurelists\n";
		3019	}
		3020
		3021	sub reload_resources {
		3022	warn "reloading resource files...\n";
		3023
		3024	reload_regions;
		3025	reload_facedata;
		3026	#reload_archetypes;#d#
		3027	reload_archetypes;
		3028	reload_treasures;
		3029
		3030	warn "finished reloading resource files\n";
		3031	}
		3032
		3033	sub init {
		3034	reload_resources;
		3035	}
		3036
		3037	sub reload_config {
1991	open my $fh, "<:utf8", cf::confdir . "/config"	3038	open my $fh, "<:utf8", "$CONFDIR/config"
1992	or return;	3039	or return;
1993		3040
1994	local $/;	3041	local $/;
1995	*CFG = YAML::Syck::Load <$fh>;	3042	*CFG = YAML::Syck::Load <$fh>;
1996		3043
…		…
1999	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3046	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2000	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3047	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2001		3048
2002	if (exists $CFG{mlockall}) {	3049	if (exists $CFG{mlockall}) {
2003	eval {	3050	eval {
2004	$CFG{mlockall} ? &mlockall : &munlockall	3051	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2005	and die "WARNING: m(un)lockall failed: $!\n";	3052	and die "WARNING: m(un)lockall failed: $!\n";
2006	};	3053	};
2007	warn $@ if $@;	3054	warn $@ if $@;
2008	}	3055	}
2009	}	3056	}
2010		3057
2011	sub main {	3058	sub main {
2012	# we must not ever block the main coroutine	3059	# we must not ever block the main coroutine
2013	local $Coro::idle = sub {	3060	local $Coro::idle = sub {
2014	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3061	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3062	(async {
2015	async { Event::one_event };	3063	Event::one_event;
		3064	})->prio (Coro::PRIO_MAX);
2016	};	3065	};
2017		3066
2018	cfg_load;	3067	reload_config;
2019	db_load;	3068	db_init;
2020	load_extensions;	3069	load_extensions;
		3070
		3071	$TICK_WATCHER->start;
2021	Event::loop;	3072	Event::loop;
2022	}	3073	}
2023		3074
2024	#############################################################################	3075	#############################################################################
2025	# initialisation	3076	# initialisation and cleanup
2026		3077
		3078	# install some emergency cleanup handlers
		3079	BEGIN {
		3080	for my $signal (qw(INT HUP TERM)) {
		3081	Event->signal (
		3082	reentrant => 0,
		3083	data => WF_AUTOCANCEL,
		3084	signal => $signal,
		3085	prio => 0,
		3086	cb => sub {
		3087	cf::cleanup "SIG$signal";
		3088	},
		3089	);
		3090	}
		3091	}
		3092
		3093	sub write_runtime {
		3094	my $runtime = "$LOCALDIR/runtime";
		3095
		3096	# first touch the runtime file to show we are still running:
		3097	# the fsync below can take a very very long time.
		3098
		3099	IO::AIO::aio_utime $runtime, undef, undef;
		3100
		3101	my $guard = cf::lock_acquire "write_runtime";
		3102
		3103	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3104	or return;
		3105
		3106	my $value = $cf::RUNTIME + 90 + 10;
		3107	# 10 is the runtime save interval, for a monotonic clock
		3108	# 60 allows for the watchdog to kill the server.
		3109
		3110	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3111	and return;
		3112
		3113	# always fsync - this file is important
		3114	aio_fsync $fh
		3115	and return;
		3116
		3117	# touch it again to show we are up-to-date
		3118	aio_utime $fh, undef, undef;
		3119
		3120	close $fh
		3121	or return;
		3122
		3123	aio_rename "$runtime~", $runtime
		3124	and return;
		3125
		3126	warn "runtime file written.\n";
		3127
		3128	1
		3129	}
		3130
		3131	sub emergency_save() {
		3132	my $freeze_guard = cf::freeze_mainloop;
		3133
		3134	warn "enter emergency perl save\n";
		3135
		3136	cf::sync_job {
		3137	# use a peculiar iteration method to avoid tripping on perl
		3138	# refcount bugs in for. also avoids problems with players
		3139	# and maps saved/destroyed asynchronously.
		3140	warn "begin emergency player save\n";
		3141	for my $login (keys %cf::PLAYER) {
		3142	my $pl = $cf::PLAYER{$login} or next;
		3143	$pl->valid or next;
		3144	$pl->save;
		3145	}
		3146	warn "end emergency player save\n";
		3147
		3148	warn "begin emergency map save\n";
		3149	for my $path (keys %cf::MAP) {
		3150	my $map = $cf::MAP{$path} or next;
		3151	$map->valid or next;
		3152	$map->save;
		3153	}
		3154	warn "end emergency map save\n";
		3155
		3156	warn "begin emergency database checkpoint\n";
		3157	BDB::db_env_txn_checkpoint $DB_ENV;
		3158	warn "end emergency database checkpoint\n";
		3159	};
		3160
		3161	warn "leave emergency perl save\n";
		3162	}
		3163
		3164	sub post_cleanup {
		3165	my ($make_core) = @_;
		3166
		3167	warn Carp::longmess "post_cleanup backtrace"
		3168	if $make_core;
		3169	}
		3170
2027	sub reload() {	3171	sub do_reload_perl() {
2028	# can/must only be called in main	3172	# can/must only be called in main
2029	if ($Coro::current != $Coro::main) {	3173	if ($Coro::current != $Coro::main) {
2030	warn "can only reload from main coroutine\n";	3174	warn "can only reload from main coroutine";
2031	return;	3175	return;
2032	}	3176	}
2033		3177
2034	warn "reloading...";	3178	warn "reloading...";
2035		3179
2036	my $guard = freeze_mainloop;	3180	warn "entering sync_job";
		3181
		3182	cf::sync_job {
		3183	cf::write_runtime; # external watchdog should not bark
2037	cf::emergency_save;	3184	cf::emergency_save;
		3185	cf::write_runtime; # external watchdog should not bark
2038		3186
2039	eval {	3187	warn "syncing database to disk";
		3188	BDB::db_env_txn_checkpoint $DB_ENV;
		3189
2040	# if anything goes wrong in here, we should simply crash as we already saved	3190	# if anything goes wrong in here, we should simply crash as we already saved
2041		3191
2042	# cancel all watchers	3192	warn "cancelling all WF_AUTOCANCEL watchers";
2043	for (Event::all_watchers) {	3193	for (Event::all_watchers) {
2044	$_->cancel if $_->data & WF_AUTOCANCEL;	3194	$_->cancel if $_->data & WF_AUTOCANCEL;
2045	}	3195	}
2046		3196
		3197	warn "flushing outstanding aio requests";
		3198	for (;;) {
		3199	BDB::flush;
		3200	IO::AIO::flush;
		3201	Coro::cede;
		3202	last unless IO::AIO::nreqs || BDB::nreqs;
		3203	warn "iterate...";
		3204	}
		3205
		3206	++$RELOAD;
		3207
2047	# cancel all extension coros	3208	warn "cancelling all extension coros";
2048	$_->cancel for values %EXT_CORO;	3209	$_->cancel for values %EXT_CORO;
2049	%EXT_CORO = ();	3210	%EXT_CORO = ();
2050		3211
2051	# unload all extensions	3212	warn "removing commands";
2052	for (@exts) {	3213	%COMMAND = ();
		3214
		3215	warn "removing ext/exti commands";
		3216	%EXTCMD = ();
		3217	%EXTICMD = ();
		3218
		3219	warn "unloading/nuking all extensions";
		3220	for my $pkg (@EXTS) {
2053	warn "unloading <$_>";	3221	warn "... unloading $pkg";
2054	unload_extension $_;	3222
		3223	if (my $cb = $pkg->can ("unload")) {
		3224	eval {
		3225	$cb->($pkg);
		3226	1
		3227	} or warn "$pkg unloaded, but with errors: $@";
2055	}	3228	}
2056		3229
		3230	warn "... nuking $pkg";
		3231	Symbol::delete_package $pkg;
		3232	}
		3233
2057	# unload all modules loaded from $LIBDIR	3234	warn "unloading all perl modules loaded from $LIBDIR";
2058	while (my ($k, $v) = each %INC) {	3235	while (my ($k, $v) = each %INC) {
2059	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3236	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2060		3237
2061	warn "removing <$k>";	3238	warn "... unloading $k";
2062	delete $INC{$k};	3239	delete $INC{$k};
2063		3240
2064	$k =~ s/\.pm$//;	3241	$k =~ s/\.pm$//;
2065	$k =~ s/\//::/g;	3242	$k =~ s/\//::/g;
2066		3243
…		…
2069	}	3246	}
2070		3247
2071	Symbol::delete_package $k;	3248	Symbol::delete_package $k;
2072	}	3249	}
2073		3250
2074	# sync database to disk
2075	cf::db_sync;
2076	IO::AIO::flush;
2077
2078	# get rid of safe::, as good as possible	3251	warn "getting rid of safe::, as good as possible";
2079	Symbol::delete_package "safe::$_"	3252	Symbol::delete_package "safe::$_"
2080	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3253	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2081		3254
2082	# remove register_script_function callbacks
2083	# TODO
2084
2085	# unload cf.pm "a bit"	3255	warn "unloading cf.pm \"a bit\"";
2086	delete $INC{"cf.pm"};	3256	delete $INC{"cf.pm"};
		3257	delete $INC{"cf/pod.pm"};
2087		3258
2088	# don't, removes xs symbols, too,	3259	# don't, removes xs symbols, too,
2089	# and global variables created in xs	3260	# and global variables created in xs
2090	#Symbol::delete_package __PACKAGE__;	3261	#Symbol::delete_package __PACKAGE__;
2091		3262
2092	# reload cf.pm	3263	warn "unload completed, starting to reload now";
		3264
2093	warn "reloading cf.pm";	3265	warn "reloading cf.pm";
2094	require cf;	3266	require cf;
2095	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3267	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2096		3268
2097	# load config and database again	3269	warn "loading config and database again";
2098	cf::cfg_load;	3270	cf::reload_config;
2099	cf::db_load;
2100		3271
2101	# load extensions
2102	warn "load extensions";	3272	warn "loading extensions";
2103	cf::load_extensions;	3273	cf::load_extensions;
2104		3274
2105	# reattach attachments to objects	3275	warn "reattaching attachments to objects/players";
2106	warn "reattach";	3276	_global_reattach; # objects, sockets
2107	_global_reattach;	3277	warn "reattaching attachments to maps";
2108	};	3278	reattach $_ for values %MAP;
		3279	warn "reattaching attachments to players";
		3280	reattach $_ for values %PLAYER;
2109		3281
2110	if ($@) {	3282	warn "leaving sync_job";
		3283
		3284	1
		3285	} or do {
2111	warn $@;	3286	warn $@;
2112	warn "error while reloading, exiting.";	3287	warn "error while reloading, exiting.";
2113	exit 1;	3288	exit 1;
2114	}	3289	};
2115		3290
2116	warn "reloaded successfully";	3291	warn "reloaded";
2117	};	3292	};
2118		3293
2119	#############################################################################	3294	our $RELOAD_WATCHER; # used only during reload
2120		3295
2121	unless ($LINK_MAP) {	3296	sub reload_perl() {
2122	$LINK_MAP = cf::map::new;	3297	# doing reload synchronously and two reloads happen back-to-back,
		3298	# coro crashes during coro_state_free->destroy here.
2123		3299
2124	$LINK_MAP->width (41);	3300	$RELOAD_WATCHER ||= Event->timer (
2125	$LINK_MAP->height (41);	3301	reentrant => 0,
2126	$LINK_MAP->alloc;
2127	$LINK_MAP->path ("{link}");
2128	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2129	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2130
2131	# dirty hack because... archetypes are not yet loaded
2132	Event->timer (
2133	after => 2,	3302	after => 0,
		3303	data => WF_AUTOCANCEL,
2134	cb => sub {	3304	cb => sub {
2135	$_[0]->w->cancel;	3305	do_reload_perl;
2136		3306	undef $RELOAD_WATCHER;
2137	# provide some exits "home"
2138	my $exit = cf::object::new "exit";
2139
2140	$exit->slaying ($EMERGENCY_POSITION->[0]);
2141	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2142	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2143
2144	$LINK_MAP->insert ($exit->clone, 19, 19);
2145	$LINK_MAP->insert ($exit->clone, 19, 20);
2146	$LINK_MAP->insert ($exit->clone, 19, 21);
2147	$LINK_MAP->insert ($exit->clone, 20, 19);
2148	$LINK_MAP->insert ($exit->clone, 20, 21);
2149	$LINK_MAP->insert ($exit->clone, 21, 19);
2150	$LINK_MAP->insert ($exit->clone, 21, 20);
2151	$LINK_MAP->insert ($exit->clone, 21, 21);
2152
2153	$exit->destroy;
2154	});	3307	},
2155		3308	);
2156	$LINK_MAP->{deny_save} = 1;
2157	$LINK_MAP->{deny_reset} = 1;
2158
2159	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2160	}	3309	}
2161
2162	register "<global>", __PACKAGE__;
2163		3310
2164	register_command "reload" => sub {	3311	register_command "reload" => sub {
2165	my ($who, $arg) = @_;	3312	my ($who, $arg) = @_;
2166		3313
2167	if ($who->flag (FLAG_WIZ)) {	3314	if ($who->flag (FLAG_WIZ)) {
2168	$who->message ("start of reload.");
2169	reload;
2170	$who->message ("end of reload.");	3315	$who->message ("reloading server.");
		3316	async { reload_perl };
2171	}	3317	}
2172	};	3318	};
2173		3319
2174	unshift @INC, $LIBDIR;	3320	unshift @INC, $LIBDIR;
2175		3321
		3322	my $bug_warning = 0;
		3323
		3324	our @WAIT_FOR_TICK;
		3325	our @WAIT_FOR_TICK_BEGIN;
		3326
		3327	sub wait_for_tick {
		3328	return unless $TICK_WATCHER->is_active;
		3329	return if $Coro::current == $Coro::main;
		3330
		3331	my $signal = new Coro::Signal;
		3332	push @WAIT_FOR_TICK, $signal;
		3333	$signal->wait;
		3334	}
		3335
		3336	sub wait_for_tick_begin {
		3337	return unless $TICK_WATCHER->is_active;
		3338	return if $Coro::current == $Coro::main;
		3339
		3340	my $signal = new Coro::Signal;
		3341	push @WAIT_FOR_TICK_BEGIN, $signal;
		3342	$signal->wait;
		3343	}
		3344
		3345	my $min = 1e6;#d#
		3346	my $avg = 10;
2176	$TICK_WATCHER = Event->timer (	3347	$TICK_WATCHER = Event->timer (
2177	reentrant => 0,	3348	reentrant => 0,
		3349	parked => 1,
2178	prio => 0,	3350	prio => 0,
2179	at => $NEXT_TICK || $TICK,	3351	at => $NEXT_TICK || $TICK,
2180	data => WF_AUTOCANCEL,	3352	data => WF_AUTOCANCEL,
2181	cb => sub {	3353	cb => sub {
		3354	if ($Coro::current != $Coro::main) {
		3355	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3356	unless ++$bug_warning > 10;
		3357	return;
		3358	}
		3359
		3360	$NOW = $tick_start = Event::time;
		3361
2182	cf::server_tick; # one server iteration	3362	cf::server_tick; # one server iteration
		3363
		3364	0 && sync_job {#d#
		3365	for(1..10) {
		3366	my $t = Event::time;
		3367	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3368	or die;
		3369
		3370	$map->width (50);
		3371	$map->height (50);
		3372	$map->alloc;
		3373	$map->_load_objects ("/tmp/x.map", 1);
		3374	my $t = Event::time - $t;
		3375
		3376	#next unless $t < 0.0013;#d#
		3377	if ($t < $min) {
		3378	$min = $t;
		3379	}
		3380	$avg = $avg * 0.99 + $t * 0.01;
		3381	}
		3382	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3383	exit 0;
		3384	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3385	};
		3386
2183	$RUNTIME += $TICK;	3387	$RUNTIME += $TICK;
2184	$NEXT_TICK += $TICK;	3388	$NEXT_TICK += $TICK;
2185		3389
		3390	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3391	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3392	Coro::async_pool {
		3393	write_runtime
		3394	or warn "ERROR: unable to write runtime file: $!";
		3395	};
		3396	}
		3397
		3398	# my $AFTER = Event::time;
		3399	# warn $AFTER - $NOW;#d#
		3400
		3401	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3402	$sig->send;
		3403	}
		3404	while (my $sig = shift @WAIT_FOR_TICK) {
		3405	$sig->send;
		3406	}
		3407
		3408	$NOW = Event::time;
		3409
2186	# if we are delayed by four ticks or more, skip them all	3410	# if we are delayed by four ticks or more, skip them all
2187	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3411	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2188		3412
2189	$TICK_WATCHER->at ($NEXT_TICK);	3413	$TICK_WATCHER->at ($NEXT_TICK);
2190	$TICK_WATCHER->start;	3414	$TICK_WATCHER->start;
		3415
		3416	$LOAD = ($NOW - $tick_start) / $TICK;
		3417	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3418
		3419	_post_tick;
		3420
		3421
2191	},	3422	},
2192	);	3423	);
2193		3424
		3425	{
2194	IO::AIO::max_poll_time $TICK * 0.2;	3426	BDB::max_poll_time $TICK * 0.1;
2195		3427	$BDB_POLL_WATCHER = Event->io (
2196	Event->io (	3428	reentrant => 0,
2197	fd => IO::AIO::poll_fileno,	3429	fd => BDB::poll_fileno,
2198	poll => 'r',	3430	poll => 'r',
2199	prio => 5,	3431	prio => 0,
2200	data => WF_AUTOCANCEL,
2201	cb => \&IO::AIO::poll_cb,
2202	);
2203
2204	Event->timer (
2205	data => WF_AUTOCANCEL,	3432	data => WF_AUTOCANCEL,
2206	after => 0,	3433	cb => \&BDB::poll_cb,
2207	interval => 10,	3434	);
2208	cb => sub {	3435	BDB::min_parallel 8;
2209	(Coro::unblock_sub {	3436
2210	write_runtime	3437	BDB::set_sync_prepare {
2211	or warn "ERROR: unable to write runtime file: $!";	3438	my $status;
		3439	my $current = $Coro::current;
		3440	(
		3441	sub {
		3442	$status = $!;
		3443	$current->ready; undef $current;
		3444	},
		3445	sub {
		3446	Coro::schedule while defined $current;
		3447	$! = $status;
		3448	},
		3449	)
		3450	};
		3451
		3452	unless ($DB_ENV) {
		3453	$DB_ENV = BDB::db_env_create;
		3454
		3455	cf::sync_job {
		3456	eval {
		3457	BDB::db_env_open
		3458	$DB_ENV,
		3459	$BDBDIR,
		3460	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3461	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3462	0666;
		3463
		3464	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3465
		3466	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3467	$DB_ENV->set_lk_detect;
		3468	};
		3469
		3470	cf::cleanup "db_env_open(db): $@" if $@;
2212	})->();	3471	};
2213	},	3472	}
2214	);	3473	}
		3474
		3475	{
		3476	IO::AIO::min_parallel 8;
		3477
		3478	undef $Coro::AIO::WATCHER;
		3479	IO::AIO::max_poll_time $TICK * 0.1;
		3480	$AIO_POLL_WATCHER = Event->io (
		3481	reentrant => 0,
		3482	data => WF_AUTOCANCEL,
		3483	fd => IO::AIO::poll_fileno,
		3484	poll => 'r',
		3485	prio => 6,
		3486	cb => \&IO::AIO::poll_cb,
		3487	);
		3488	}
		3489
		3490	my $_log_backtrace;
		3491
		3492	sub _log_backtrace {
		3493	my ($msg, @addr) = @_;
		3494
		3495	$msg =~ s/\n//;
		3496
		3497	# limit the # of concurrent backtraces
		3498	if ($_log_backtrace < 2) {
		3499	++$_log_backtrace;
		3500	async {
		3501	my @bt = fork_call {
		3502	@addr = map { sprintf "%x", $_ } @addr;
		3503	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3504	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3505	or die "addr2line: $!";
		3506
		3507	my @funcs;
		3508	my @res = <$fh>;
		3509	chomp for @res;
		3510	while (@res) {
		3511	my ($func, $line) = splice @res, 0, 2, ();
		3512	push @funcs, "[$func] $line";
		3513	}
		3514
		3515	@funcs
		3516	};
		3517
		3518	LOG llevInfo, "[ABT] $msg\n";
		3519	LOG llevInfo, "[ABT] $_\n" for @bt;
		3520	--$_log_backtrace;
		3521	};
		3522	} else {
		3523	LOG llevInfo, "[ABT] $msg\n";
		3524	LOG llevInfo, "[ABT] [suppressed]\n";
		3525	}
		3526	}
		3527
		3528	# load additional modules
		3529	use cf::pod;
2215		3530
2216	END { cf::emergency_save }	3531	END { cf::emergency_save }
2217		3532
2218	1	3533	1
2219		3534

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