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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.154 by root, Tue Jan 9 15:36:19 2007 UTC vs.
Revision 1.332 by root, Sat Aug 18 17:33:53 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS 1.4 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		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
27	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
28		44
29	# 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?
30	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
31		47
32	$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
33		49
34	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
35		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
38	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
39		60
		61	our $RELOAD; # number of reloads so far
40	our @EVENT;	62	our @EVENT;
41	our $LIBDIR = datadir . "/ext";
42		63
43	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(!)
44	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
45	our $NEXT_TICK;	80	our $NEXT_TICK;
46	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;
47		86
48	our %CFG;	87	our %CFG;
49		88
50	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
51	our $RUNTIME;	90	our $RUNTIME;
52		91
53	our %PLAYER; # all users	92	our %PLAYER; # all users
54	our %MAP; # all maps	93	our %MAP; # all maps
55	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
56	our $RANDOM_MAPS = cf::localdir . "/random";	95
57	our %EXT_CORO; # coroutines bound to extensions	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 $tick_start; # for load detecting purposes
58		102
59	binmode STDOUT;	103	binmode STDOUT;
60	binmode STDERR;	104	binmode STDERR;
61		105
62	# read virtual server time, if available	106	# read virtual server time, if available
63	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
64	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
65	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
66	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
67	}	111	}
68		112
69	mkdir cf::localdir;	113	mkdir $_
70	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
71	mkdir cf::localdir . "/" . cf::tmpdir;
72	mkdir cf::localdir . "/" . cf::uniquedir;
73	mkdir $RANDOM_MAPS;
74		115
75	# a special map that is always available
76	our $LINK_MAP;
77	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
78		119
79	#############################################################################	120	#############################################################################
80		121
81	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
82		123
…		…
89	=item $cf::RUNTIME	130	=item $cf::RUNTIME
90		131
91	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
92	every server tick.	133	every server tick.
93		134
94	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
95		138
96	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
97	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
98		143
99	=item $cf::NOW	144	=item $cf::NOW
100		145
101	The time of the last (current) server tick.	146	The time of the last (current) server tick.
102		147
103	=item $cf::TICK	148	=item $cf::TICK
104		149
105	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
106		161
107	=item %cf::CFG	162	=item %cf::CFG
108		163
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	165	from wherever your confdir points to.
		166
		167	=item cf::wait_for_tick, cf::wait_for_tick_begin
		168
		169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		170	returns directly I<after> the tick processing (and consequently, can only wake one process
		171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
111		178
112	=back	179	=back
113		180
114	=cut	181	=cut
115		182
116	BEGIN {	183	BEGIN {
117	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	185	my $msg = join "", @_;
119	utf8::encode $msg;
120		186
121	$msg .= "\n"	187	$msg .= "\n"
122	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
123		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
124	LOG llevError, $msg;	193	LOG llevError, $msg;
125	};	194	};
126	}	195	}
127		196
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
133	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
134		204
135	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
136	# within the Safe compartment.	206	# within the Safe compartment.
137	for my $pkg (qw(	207	for my $pkg (qw(
138	cf::global cf::attachable	208	cf::global cf::attachable
…		…
147		217
148	$Event::DIED = sub {	218	$Event::DIED = sub {
149	warn "error in event callback: @_";	219	warn "error in event callback: @_";
150	};	220	};
151		221
152	my %ext_pkg;	222	#############################################################################
153	my @exts;
154	my @hook;
155		223
156	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
157		225
158	=over 4	226	=over 4
159		227
…		…
178	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
179	$d	247	$d
180	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
181	}	249	}
182		250
183	use JSON::Syck (); # TODO# replace by JSON::PC once working
184
185	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
186		252
187	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
188		254
189	=cut
190
191	sub from_json($) {
192	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
193	JSON::Syck::Load $_[0]
194	}
195
196	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
197		256
198	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
199		258
200	=cut	259	=cut
201		260
202	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
203	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
204	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
205	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
206		265
207	=item cf::lock_wait $string	266	=item cf::lock_wait $string
208		267
209	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
210		269
…		…
216	returned.	275	returned.
217		276
218	Lock names should begin with a unique identifier (for example, cf::map::find	277	Lock names should begin with a unique identifier (for example, cf::map::find
219	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
220		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
221	=cut	284	=cut
222		285
223	our %LOCK;	286	our %LOCK;
224		287
225	sub lock_wait($) {	288	sub lock_wait($) {
…		…
244	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
245	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
246	}	309	}
247	}	310	}
248		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
249	sub freeze_mainloop {	318	sub freeze_mainloop {
250	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
251		320
252	my $guard = Coro::guard { $TICK_WATCHER->start };	321	my $guard = Coro::guard {
		322	$TICK_WATCHER->start;
		323	};
253	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
254	$guard	325	$guard
		326	}
		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
255	}	382	}
256		383
257	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
258		385
259	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
264		391
265	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
266		393
267	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
268		395
269	The design of crossfire+ requires that the main coro ($Coro::main) is	396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
270	always able to handle events or runnable, as crossfire+ is only partly	397	is always able to handle events or runnable, as Crossfire TRT is only
271	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
272		400
273	If it must be done, put the blocking parts into C<sync_job>. This will run	401	If it must be done, put the blocking parts into C<sync_job>. This will run
274	the given BLOCK in another coroutine while waiting for the result. The	402	the given BLOCK in another coroutine while waiting for the result. The
275	server will be frozen during this time, so the block should either finish	403	server will be frozen during this time, so the block should either finish
276	fast or be very important.	404	fast or be very important.
…		…
279		407
280	sub sync_job(&) {	408	sub sync_job(&) {
281	my ($job) = @_;	409	my ($job) = @_;
282		410
283	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
284	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
285	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
286		416
287	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
288	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
299		429
300	while ($busy) {	430	while ($busy) {
301	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
302	}	432	}
303		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
		440
304	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
305	} else {	442	} else {
306	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
307		444
308	$job->()	445	$job->()
309	}	446	}
310	}	447	}
311		448
312	=item $coro = cf::async_ext { BLOCK }	449	=item $coro = cf::async_ext { BLOCK }
313		450
314	Like async, but this coro is automcatially being canceled when the	451	Like async, but this coro is automatically being canceled when the
315	extension calling this is being unloaded.	452	extension calling this is being unloaded.
316		453
317	=cut	454	=cut
318		455
319	sub async_ext(&) {	456	sub async_ext(&) {
…		…
327	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
328		465
329	$coro	466	$coro
330	}	467	}
331		468
332	sub write_runtime {	469	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		470
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
336	or return;	472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
337		475
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	476	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		477
342	aio_fsync $fh	478	sub fork_call(&@) {
343	and return;	479	my ($cb, @args) = @_;
344		480
345	close $fh	481	# we seemingly have to make a local copy of the whole thing,
346	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
347		484
348	aio_rename "$runtime~", $runtime	485	my @res = Coro::Util::fork_eval {
349	and return;	486	reset_signals;
		487	&$cb
		488	}, @args;
350		489
		490	wantarray ? @res : $res[-1]
		491	}
		492
		493	=item $value = cf::db_get $family => $key
		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
351	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
352	}	618	}
353		619
354	=back	620	=back
355		621
356	=cut	622	=cut
357
358	#############################################################################
359
360	package cf::path;
361
362	# used to convert map paths into valid unix filenames by repalcing / by ∕
363	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
364
365	sub new {
366	my ($class, $path, $base) = @_;
367
368	$path = $path->as_string if ref $path;
369
370	my $self = bless { }, $class;
371
372	# {... are special paths that are not touched
373	# ?xxx/... are special absolute paths
374	# ?random/... random maps
375	# /! non-realised random map exit
376	# /... normal maps
377	# ~/... per-player maps without a specific player (DO NOT USE)
378	# ~user/... per-player map of a specific user
379
380	if ($path =~ /^{/) {
381	# fine as it is
382	} elsif ($path =~ s{^\?random/}{}) {
383	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
384	$self->{random} = cf::from_json $data;
385	} else {
386	if ($path =~ s{^~([^/]+)?}{}) {
387	$self->{user_rel} = 1;
388
389	if (defined $1) {
390	$self->{user} = $1;
391	} elsif ($base =~ m{^~([^/]+)/}) {
392	$self->{user} = $1;
393	} else {
394	warn "cannot resolve user-relative path without user <$path,$base>\n";
395	}
396	} elsif ($path =~ /^\//) {
397	# already absolute
398	} else {
399	$base =~ s{[^/]+/?$}{};
400	return $class->new ("$base/$path");
401	}
402
403	for ($path) {
404	redo if s{/\.?/}{/};
405	redo if s{/[^/]+/\.\./}{/};
406	}
407	}
408
409	$self->{path} = $path;
410
411	$self
412	}
413
414	# the name / primary key / in-game path
415	sub as_string {
416	my ($self) = @_;
417
418	$self->{user_rel} ? "~$self->{user}$self->{path}"
419	: $self->{random} ? "?random/$self->{path}"
420	: $self->{path}
421	}
422
423	# the displayed name, this is a one way mapping
424	sub visible_name {
425	my ($self) = @_;
426
427	# if (my $rmp = $self->{random}) {
428	# # todo: be more intelligent about this
429	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
430	# } else {
431	$self->as_string
432	# }
433	}
434
435	# escape the /'s in the path
436	sub _escaped_path {
437	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
438	$path
439	}
440
441	# the original (read-only) location
442	sub load_path {
443	my ($self) = @_;
444
445	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
446	}
447
448	# the temporary/swap location
449	sub save_path {
450	my ($self) = @_;
451
452	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
453	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
454	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
455	}
456
457	# the unique path, might be eq to save_path
458	sub uniq_path {
459	my ($self) = @_;
460
461	$self->{user_rel} || $self->{random}
462	? undef
463	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
464	}
465
466	# return random map parameters, or undef
467	sub random_map_params {
468	my ($self) = @_;
469
470	$self->{random}
471	}
472
473	# this is somewhat ugly, but style maps do need special treatment
474	sub is_style_map {
475	$_[0]{path} =~ m{^/styles/}
476	}
477
478	package cf;
479		623
480	#############################################################################	624	#############################################################################
481		625
482	=head2 ATTACHABLE OBJECTS	626	=head2 ATTACHABLE OBJECTS
483		627
…		…
485	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
486	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
487		631
488	In the following description, CLASS can be any of C<global>, C<object>	632	In the following description, CLASS can be any of C<global>, C<object>
489	C<player>, C<client> or C<map> (i.e. the attachable objects in	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
490	crossfire+).	634	Crossfire TRT).
491		635
492	=over 4	636	=over 4
493		637
494	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
495		639
…		…
609	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
610	our @CB_MAP = ();	754	our @CB_MAP = ();
611		755
612	my %attachment;	756	my %attachment;
613		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
614	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
615	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
616		766
617	use sort 'stable';	767	use sort 'stable';
618		768
…		…
652	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
653		803
654	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
655	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
656	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
657	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
658		808
659	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
660	my $pkg = shift @arg;	810	my $pkg = shift @arg;
661		811
662	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
691	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
692	}	842	}
693		843
694	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
695	} else {	845	} else {
696	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
697	}	847	}
698		848
699	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
700	}	850	}
701		851
…		…
703	if (ref $_[0]) {	853	if (ref $_[0]) {
704	_object_attach @_;	854	_object_attach @_;
705	} else {	855	} else {
706	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
707	}	857	}
		858	_recalc_want;
708	};	859	};
709		860
710	# all those should be optimised	861	# all those should be optimised
711	sub cf::attachable::detach {	862	sub cf::attachable::detach {
712	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
715	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
716	reattach ($obj);	867	reattach ($obj);
717	} else {	868	} else {
718	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
719	}	870	}
		871	_recalc_want;
720	};	872	};
721		873
722	sub cf::attachable::attached {	874	sub cf::attachable::attached {
723	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
724		876
…		…
739	";	891	";
740	die if $@;	892	die if $@;
741	}	893	}
742		894
743	our $override;	895	our $override;
744	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
745		897
746	sub override {	898	sub override {
747	$override = 1;	899	$override = 1;
748	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
749	}	901	}
750		902
751	sub do_invoke {	903	sub do_invoke {
752	my $event = shift;	904	my $event = shift;
753	my $callbacks = shift;	905	my $callbacks = shift;
754		906
755	@invoke_results = ();	907	@INVOKE_RESULTS = ();
756		908
757	local $override;	909	local $override;
758		910
759	for (@$callbacks) {	911	for (@$callbacks) {
760	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
777		929
778	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
779		931
780	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
781	removed in future versions), and there is no public API to access override	933	removed in future versions), and there is no public API to access override
782	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
783		935
784	=back	936	=back
785		937
786	=cut	938	=cut
787		939
788	#############################################################################	940	#############################################################################
789	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
790		953
791	sub reattach {	954	sub reattach {
792	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
793	my ($obj) = @_;	956	my ($obj) = @_;
		957
		958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
794		959
795	my $registry = $obj->registry;	960	my $registry = $obj->registry;
796		961
797	@$registry = ();	962	@$registry = ();
798		963
…		…
845	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
846		1011
847	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
848	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
849	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
850	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
851	close $fh;	1016	close $fh;
852		1017
853	if (@$objs) {	1018	if (@$objs) {
854	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
855	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
856	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
857	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
858	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
859	close $fh;	1024	close $fh;
860	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
861	}	1026	}
862	} else {	1027	} else {
863	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
895	or return;	1060	or return;
896	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
897	}	1062	}
898		1063
899	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
900	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
901	return ($data, $av);	1066	return ($data, $av);
902	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
903		1074
904	#############################################################################	1075	#############################################################################
905	# command handling &c	1076	# command handling &c
906		1077
907	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
920	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
921	}	1092	}
922		1093
923	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
924		1095
925	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
926		1101
927	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
928	called.	1103	called.
929		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
930	=cut	1116	=cut
931		1117
932	sub register_extcmd {	1118	sub register_extcmd {
933	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
934		1120
935	my $caller = caller;
936	#warn "registering extcmd '$name' to '$caller'";
937
938	$EXTCMD{$name} = [$cb, $caller];	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
939	}	1128	}
940		1129
941	cf::player->attach (	1130	cf::player->attach (
942	on_command => sub {	1131	on_command => sub {
943	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
952	cf::override;	1141	cf::override;
953	},	1142	},
954	on_extcmd => sub {	1143	on_extcmd => sub {
955	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
956		1145
957	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
958		1147
959	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
962	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
963	}	1158	if $reply;
964	}	1159	}
965	} else {	1160	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
967	}	1162	}
968		1163
969	cf::override;	1164	cf::override;
970	},	1165	},
971	);	1166	);
972		1167
973	sub register {
974	my ($base, $pkg) = @_;
975
976	#TODO
977	}
978
979	sub load_extension {
980	my ($path) = @_;
981
982	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
983	my $base = $1;
984	my $pkg = $1;
985	$pkg =~ s/[^[:word:]]/_/g;
986	$pkg = "ext::$pkg";
987
988	warn "loading '$path' into '$pkg'\n";
989
990	open my $fh, "<:utf8", $path
991	or die "$path: $!";
992
993	my $source =
994	"package $pkg; use strict; use utf8;\n"
995	. "#line 1 \"$path\"\n{\n"
996	. (do { local $/; <$fh> })
997	. "\n};\n1";
998
999	eval $source
1000	or die $@ ? "$path: $@\n"
1001	: "extension disabled.\n";
1002
1003	push @exts, $pkg;
1004	$ext_pkg{$base} = $pkg;
1005
1006	# no strict 'refs';
1007	# @{"$pkg\::ISA"} = ext::;
1008
1009	register $base, $pkg;
1010	}
1011
1012	sub unload_extension {
1013	my ($pkg) = @_;
1014
1015	warn "removing extension $pkg\n";
1016
1017	# remove hooks
1018	#TODO
1019	# for my $idx (0 .. $#PLUGIN_EVENT) {
1020	# delete $hook[$idx]{$pkg};
1021	# }
1022
1023	# remove commands
1024	for my $name (keys %COMMAND) {
1025	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1026
1027	if (@cb) {
1028	$COMMAND{$name} = \@cb;
1029	} else {
1030	delete $COMMAND{$name};
1031	}
1032	}
1033
1034	# remove extcmds
1035	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1036	delete $EXTCMD{$name};
1037	}
1038
1039	if (my $cb = $pkg->can ("unload")) {
1040	eval {
1041	$cb->($pkg);
1042	1
1043	} or warn "$pkg unloaded, but with errors: $@";
1044	}
1045
1046	Symbol::delete_package $pkg;
1047	}
1048
1049	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
1050	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	1173	next unless -r $path;
1052	eval {	1174
1053	load_extension $ext;	1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
1054	1	1232	}
1055	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
1056	}	1238	};
1057	}	1239	}
1058		1240
1059	#############################################################################	1241	#############################################################################
1060	# load/save/clean perl data associated with a map
1061		1242
1062	*cf::mapsupport::on_clean = sub {	1243	=back
1063	my ($map) = @_;
1064
1065	my $path = $map->tmpname;
1066	defined $path or return;
1067
1068	unlink "$path.pst";
1069	};
1070
1071	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1072
1073	#############################################################################
1074	# load/save perl data associated with player->ob objects
1075
1076	sub all_objects(@) {
1077	@_, map all_objects ($_->inv), @_
1078	}
1079
1080	# TODO: compatibility cruft, remove when no longer needed
1081	cf::player->attach (
1082	on_load => sub {
1083	my ($pl, $path) = @_;
1084
1085	for my $o (all_objects $pl->ob) {
1086	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1087	$o->set_ob_key_value ("_perl_data");
1088
1089	%$o = %{ Storable::thaw pack "H*", $value };
1090	}
1091	}
1092	},
1093	);
1094
1095	#############################################################################
1096		1244
1097	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
1098		1246
1099	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
1100		1248
…		…
1113	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
1114		1262
1115	=cut	1263	=cut
1116		1264
1117	sub playerdir($) {	1265	sub playerdir($) {
1118	cf::localdir	1266	"$PLAYERDIR/"
1119	. "/"
1120	. cf::playerdir
1121	. "/"
1122	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1123	}	1268	}
1124		1269
1125	sub path($) {	1270	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		1272
1128	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
1129	}	1274	}
1130		1275
1131	sub find_active($) {	1276	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
1136		1281
1137	sub exists($) {	1282	sub exists($) {
1138	my ($login) = @_;	1283	my ($login) = @_;
1139		1284
1140	$cf::PLAYER{$login}	1285	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	1286	or cf::sync_job { !aio_stat path $login }
1142	}	1287	}
1143		1288
1144	sub find($) {	1289	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	1290	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	1291	my $login = $_[0];
1147		1292
1148	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
1149		1294
1150	$cf::PLAYER{$_[0]} || do {	1295	$cf::PLAYER{$_[0]} || do {
		1296	# rename old playerfiles to new ones
		1297	#TODO: remove when no longer required
		1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1301	aio_unlink +(playerdir $login) . "/$login.pl";
		1302
1151	my $pl = load_pl path $login	1303	my $pl = load_pl path $login
1152	or return;	1304	or return;
1153	$cf::PLAYER{$login} = $pl	1305	$cf::PLAYER{$login} = $pl
1154	}	1306	}
1155	}	1307	}
…		…
1183	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1184		1336
1185	$self	1337	$self
1186	}	1338	}
1187		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
1188	=item $pl->quit_character	1350	=item $pl->quit_character
1189		1351
1190	Nukes the player without looking back. If logged in, the connection will	1352	Nukes the player without looking back. If logged in, the connection will
1191	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1192		1354
1193	=cut	1355	=cut
1194		1356
1195	sub quit_character {	1357	sub quit_character {
1196	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1197		1361
1198	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1199	$pl->password ("*"); # this should lock out the player until we nuked the dir	1363	$pl->password ("*"); # this should lock out the player until we nuked the dir
1200		1364
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1206	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1372	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	1374	$pl->destroy;
		1375
		1376	my $prefix = qr<^~\Q$name\E/>;
		1377
		1378	# nuke player maps
		1379	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1380
1211	IO::AIO::aio_rmtree $temp;	1381	IO::AIO::aio_rmtree $temp;
		1382	}
		1383
		1384	=item $pl->kick
		1385
		1386	Kicks a player out of the game. This destroys the connection.
		1387
		1388	=cut
		1389
		1390	sub kick {
		1391	my ($pl, $kicker) = @_;
		1392
		1393	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1394	$pl->killer ("kicked");
		1395	$pl->ns->destroy;
1212	}	1396	}
1213		1397
1214	=item cf::player::list_logins	1398	=item cf::player::list_logins
1215		1399
1216	Returns am arrayref of all valid playernames in the system, can take a	1400	Returns am arrayref of all valid playernames in the system, can take a
1217	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1218		1402
1219	=cut	1403	=cut
1220		1404
1221	sub list_logins {	1405	sub list_logins {
1222	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1223	or return [];	1407	or return [];
1224		1408
1225	my @logins;	1409	my @logins;
1226		1410
1227	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1413	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1414	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1415
1232	utf8::decode $login;	1416	utf8::decode $login;
1233	push @logins, $login;	1417	push @logins, $login;
1234	}	1418	}
1235		1419
1236	\@logins	1420	\@logins
1237	}	1421	}
1238		1422
1239	=item $player->maps	1423	=item $player->maps
1240		1424
1241	Returns an arrayref of cf::path's of all maps that are private for this	1425	Returns an arrayref of map paths that are private for this
1242	player. May block.	1426	player. May block.
1243		1427
1244	=cut	1428	=cut
1245		1429
1246	sub maps($) {	1430	sub maps($) {
1247	my ($pl) = @_;	1431	my ($pl) = @_;
		1432
		1433	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1434
1249	my $files = aio_readdir playerdir $pl	1435	my $files = aio_readdir playerdir $pl
1250	or return;	1436	or return;
1251		1437
1252	my @paths;	1438	my @paths;
1253		1439
1254	for (@$files) {	1440	for (@$files) {
1255	utf8::decode $_;	1441	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1442	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1443	next unless /^$PATH_SEP/o;
1258		1444
1259	s/$PATH_SEP/\//g;	1445	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1446	}
1262		1447
1263	\@paths	1448	\@paths
1264	}	1449	}
1265		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male|female> tags
		1472	|| s{G<([^>|]*)\|([^>]*)>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	|| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1267		1502
1268	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1269		1504
1270	=cut	1505	=cut
1271		1506
1272	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1273	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1274		1509
1275	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1276		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1277	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1278	}	1517	}
1279		1518
1280	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1281		1559
1282	=back	1560	=back
1283
1284		1561
1285	=head3 cf::map	1562	=head3 cf::map
1286		1563
1287	=over 4	1564	=over 4
1288		1565
…		…
1291	package cf::map;	1568	package cf::map;
1292		1569
1293	use Fcntl;	1570	use Fcntl;
1294	use Coro::AIO;	1571	use Coro::AIO;
1295		1572
		1573	use overload
		1574	'""' => \&as_string,
		1575	fallback => 1;
		1576
1296	our $MAX_RESET = 3600;	1577	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1578	our $DEFAULT_RESET = 3000;
1298		1579
1299	sub generate_random_map {	1580	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1581	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1582	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1583	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1587	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1588	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1592	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1594	(cf::region::find $rmp->{region}), $rmp->{custom}
		1595	)
		1596	}
		1597
		1598	=item cf::map->register ($regex, $prio)
		1599
		1600	Register a handler for the map path matching the given regex at the
		1601	givne priority (higher is better, built-in handlers have priority 0, the
		1602	default).
		1603
		1604	=cut
		1605
		1606	sub register {
		1607	my (undef, $regex, $prio) = @_;
		1608	my $pkg = caller;
		1609
		1610	no strict;
		1611	push @{"$pkg\::ISA"}, __PACKAGE__;
		1612
		1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1614	}
		1615
		1616	# also paths starting with '/'
		1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1618
		1619	sub thawer_merge {
		1620	my ($self, $merge) = @_;
		1621
		1622	# we have to keep some variables in memory intact
		1623	local $self->{path};
		1624	local $self->{load_path};
		1625
		1626	$self->SUPER::thawer_merge ($merge);
		1627	}
		1628
		1629	sub normalise {
		1630	my ($path, $base) = @_;
		1631
		1632	$path = "$path"; # make sure its a string
		1633
		1634	$path =~ s/\.map$//;
		1635
		1636	# map plan:
		1637	#
		1638	# /! non-realised random map exit (special hack!)
		1639	# {... are special paths that are not being touched
		1640	# ?xxx/... are special absolute paths
		1641	# ?random/... random maps
		1642	# /... normal maps
		1643	# ~user/... per-player map of a specific user
		1644
		1645	$path =~ s/$PATH_SEP/\//go;
		1646
		1647	# treat it as relative path if it starts with
		1648	# something that looks reasonable
		1649	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1650	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1651
		1652	$base =~ s{[^/]+/?$}{};
		1653	$path = "$base/$path";
		1654	}
		1655
		1656	for ($path) {
		1657	redo if s{//}{/};
		1658	redo if s{/\.?/}{/};
		1659	redo if s{/[^/]+/\.\./}{/};
		1660	}
		1661
		1662	$path
		1663	}
		1664
		1665	sub new_from_path {
		1666	my (undef, $path, $base) = @_;
		1667
		1668	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1669
		1670	$path = normalise $path, $base;
		1671
		1672	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1673	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1674	my $self = bless cf::map::new, $pkg;
		1675	$self->{path} = $path; $self->path ($path);
		1676	$self->init; # pass $1 etc.
		1677	return $self;
		1678	}
		1679	}
		1680
		1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1682	()
		1683	}
		1684
		1685	sub init {
		1686	my ($self) = @_;
		1687
		1688	$self
		1689	}
		1690
		1691	sub as_string {
		1692	my ($self) = @_;
		1693
		1694	"$self->{path}"
		1695	}
		1696
		1697	# the displayed name, this is a one way mapping
		1698	sub visible_name {
		1699	&as_string
		1700	}
		1701
		1702	# the original (read-only) location
		1703	sub load_path {
		1704	my ($self) = @_;
		1705
		1706	"$MAPDIR/$self->{path}.map"
		1707	}
		1708
		1709	# the temporary/swap location
		1710	sub save_path {
		1711	my ($self) = @_;
		1712
		1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1714	"$TMPDIR/$path.map"
		1715	}
		1716
		1717	# the unique path, undef == no special unique path
		1718	sub uniq_path {
		1719	my ($self) = @_;
		1720
		1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1722	"$UNIQUEDIR/$path"
1316	}	1723	}
1317		1724
1318	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1319	# all maps in C++...	1726	# all maps in C++...
1320	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1322		1729
1323	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1325	}	1732	}
1326		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
		1742	sub unlink_save {
		1743	my ($self) = @_;
		1744
		1745	utf8::encode (my $save = $self->save_path);
		1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1748	}
		1749
1327	sub try_load_header($) {	1750	sub load_header_from($) {
1328	my ($path) = @_;	1751	my ($self, $path) = @_;
1329		1752
1330	utf8::encode $path;	1753	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
		1755	# or return;
		1756
		1757	$self->_load_header ($path)
1332	or return;	1758	or return;
1333		1759
1334	my $map = cf::map::new	1760	$self->{load_path} = $path;
		1761
		1762	1
		1763	}
		1764
		1765	sub load_header_orig {
		1766	my ($self) = @_;
		1767
		1768	$self->load_header_from ($self->load_path)
		1769	}
		1770
		1771	sub load_header_temp {
		1772	my ($self) = @_;
		1773
		1774	$self->load_header_from ($self->save_path)
		1775	}
		1776
		1777	sub prepare_temp {
		1778	my ($self) = @_;
		1779
		1780	$self->last_access ((delete $self->{last_access})
		1781	|| $cf::RUNTIME); #d#
		1782	# safety
		1783	$self->{instantiate_time} = $cf::RUNTIME
		1784	if $self->{instantiate_time} > $cf::RUNTIME;
		1785	}
		1786
		1787	sub prepare_orig {
		1788	my ($self) = @_;
		1789
		1790	$self->{load_original} = 1;
		1791	$self->{instantiate_time} = $cf::RUNTIME;
		1792	$self->last_access ($cf::RUNTIME);
		1793	$self->instantiate;
		1794	}
		1795
		1796	sub load_header {
		1797	my ($self) = @_;
		1798
		1799	if ($self->load_header_temp) {
		1800	$self->prepare_temp;
		1801	} else {
		1802	$self->load_header_orig
1335	or return;	1803	or return;
		1804	$self->prepare_orig;
		1805	}
1336		1806
1337	# for better error messages only, will be overwritten	1807	$self->{deny_reset} = 1
1338	$map->path ($path);	1808	if $self->no_reset;
1339		1809
1340	$map->load_header ($path)	1810	$self->default_region (cf::region::find_by_path $self->{path})
1341	or return;	1811	unless $self->default_region;
1342		1812
1343	$map->{load_path} = $path;	1813	1
1344
1345	$map
1346	}	1814	}
1347		1815
1348	sub find;	1816	sub find;
1349	sub find {	1817	sub find {
1350	my ($path, $origin) = @_;	1818	my ($path, $origin) = @_;
1351		1819
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1820	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1821
1357	cf::lock_wait "map_find:$key";	1822	cf::lock_wait "map_find:$path";
1358		1823
1359	$cf::MAP{$key} || do {	1824	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1825	my $guard = cf::lock_acquire "map_find:$path";
1361		1826	my $map = new_from_path cf::map $path
1362	# do it the slow way
1363	my $map = try_load_header $path->save_path;
1364
1365	Coro::cede;
1366
1367	if ($map) {
1368	$map->last_access ((delete $map->{last_access})
1369	|| $cf::RUNTIME); #d#
1370	# safety
1371	$map->{instantiate_time} = $cf::RUNTIME
1372	if $map->{instantiate_time} > $cf::RUNTIME;
1373	} else {
1374	if (my $rmp = $path->random_map_params) {
1375	$map = generate_random_map $key, $rmp;
1376	} else {
1377	$map = try_load_header $path->load_path;
1378	}
1379
1380	$map or return;	1827	or return;
1381		1828
1382	$map->{load_original} = 1;
1383	$map->{instantiate_time} = $cf::RUNTIME;
1384	$map->last_access ($cf::RUNTIME);
1385	$map->instantiate;
1386
1387	# per-player maps become, after loading, normal maps
1388	$map->per_player (0) if $path->{user_rel};
1389	}
1390
1391	$map->path ($key);
1392	$map->{path} = $path;
1393	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1394		1830
1395	Coro::cede;	1831	$map->load_header
		1832	or return;
1396		1833
1397	if ($map->should_reset) {	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1835	# doing this can freeze the server in a sync job, obviously
		1836	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1837	$map->reset;
1399	undef $guard;	1838	undef $guard;
1400	$map = find $path	1839	return find $path;
1401	or return;
1402	}	1840	}
1403		1841
1404	$cf::MAP{$key} = $map	1842	$cf::MAP{$path} = $map
1405	}	1843	}
1406	}	1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
1407		1848
1408	sub load {	1849	sub load {
1409	my ($self) = @_;	1850	my ($self) = @_;
1410		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
1411	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1857	my $guard = cf::lock_acquire "map_load:$path";
1413		1858
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1859	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1860
1416	$self->in_memory (cf::MAP_LOADING);	1861	$self->in_memory (cf::MAP_LOADING);
1417		1862
1418	$self->alloc;	1863	$self->alloc;
		1864
		1865	$self->pre_load;
		1866	Coro::cede;
		1867
1419	$self->load_objects ($self->{load_path}, 1)	1868	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1869	or return;
1421		1870
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1872	if delete $self->{load_original};
1424		1873
1425	if (my $uniq = $path->uniq_path) {	1874	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1875	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1876	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1877	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1878	$self->_load_objects ($uniq, 0);
1430	}	1879	}
1431	}	1880	}
1432		1881
1433	Coro::cede;	1882	Coro::cede;
1434
1435	# now do the right thing for maps	1883	# now do the right thing for maps
1436	$self->link_multipart_objects;	1884	$self->link_multipart_objects;
1437
1438	if ($self->{path}->is_style_map) {
1439	$self->{deny_save} = 1;
1440	$self->{deny_reset} = 1;
1441	} else {
1442	$self->fix_auto_apply;
1443	$self->decay_objects;
1444	$self->update_buttons;
1445	$self->set_darkness_map;
1446	$self->difficulty ($self->estimate_difficulty)	1885	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1886	unless $self->difficulty;
		1887	Coro::cede;
		1888
		1889	unless ($self->{deny_activate}) {
		1890	$self->decay_objects;
		1891	$self->fix_auto_apply;
		1892	$self->update_buttons;
		1893	Coro::cede;
		1894	$self->set_darkness_map;
		1895	Coro::cede;
1448	$self->activate;	1896	$self->activate;
1449	}	1897	}
1450		1898
1451	Coro::cede;	1899	$self->{last_save} = $cf::RUNTIME;
		1900	$self->last_access ($cf::RUNTIME);
1452		1901
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1902	$self->in_memory (cf::MAP_IN_MEMORY);
		1903	}
		1904
		1905	$self->post_load;
		1906	}
		1907
		1908	sub customise_for {
		1909	my ($self, $ob) = @_;
		1910
		1911	return find "~" . $ob->name . "/" . $self->{path}
		1912	if $self->per_player;
		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
		1916
		1917	$self
		1918	}
		1919
		1920	# find and load all maps in the 3x3 area around a map
		1921	sub load_diag {
		1922	my ($map) = @_;
		1923
		1924	my @diag; # diagonal neighbours
		1925
		1926	for (0 .. 3) {
		1927	my $neigh = $map->tile_path ($_)
		1928	or next;
		1929	$neigh = find $neigh, $map
		1930	or next;
		1931	$neigh->load;
		1932
		1933	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1934	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1935	}
		1936
		1937	for (@diag) {
		1938	my $neigh = find @$_
		1939	or next;
		1940	$neigh->load;
		1941	}
1454	}	1942	}
1455		1943
1456	sub find_sync {	1944	sub find_sync {
1457	my ($path, $origin) = @_;	1945	my ($path, $origin) = @_;
1458		1946
1459	cf::sync_job { cf::map::find $path, $origin }	1947	cf::sync_job { find $path, $origin }
1460	}	1948	}
1461		1949
1462	sub do_load_sync {	1950	sub do_load_sync {
1463	my ($map) = @_;	1951	my ($map) = @_;
1464		1952
1465	cf::sync_job { $map->load };	1953	cf::sync_job { $map->load };
1466	}	1954	}
1467		1955
		1956	our %MAP_PREFETCH;
		1957	our $MAP_PREFETCHER = undef;
		1958
		1959	sub find_async {
		1960	my ($path, $origin) = @_;
		1961
		1962	$path = normalise $path, $origin && $origin->{path};
		1963
		1964	if (my $map = $cf::MAP{$path}) {
		1965	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1966	}
		1967
		1968	undef $MAP_PREFETCH{$path};
		1969	$MAP_PREFETCHER ||= cf::async {
		1970	while (%MAP_PREFETCH) {
		1971	for my $path (keys %MAP_PREFETCH) {
		1972	if (my $map = find $path) {
		1973	$map->load;
		1974	}
		1975
		1976	delete $MAP_PREFETCH{$path};
		1977	}
		1978	}
		1979	undef $MAP_PREFETCHER;
		1980	};
		1981	$MAP_PREFETCHER->prio (6);
		1982
		1983	()
		1984	}
		1985
1468	sub save {	1986	sub save {
1469	my ($self) = @_;	1987	my ($self) = @_;
1470		1988
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1989	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1990
1473	$self->{last_save} = $cf::RUNTIME;	1991	$self->{last_save} = $cf::RUNTIME;
1474		1992
1475	return unless $self->dirty;	1993	return unless $self->dirty;
1476		1994
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1995	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1996	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1997
1480	$self->{load_path} = $save;	1998	$self->{load_path} = $save;
1481		1999
1482	return if $self->{deny_save};	2000	return if $self->{deny_save};
1483		2001
…		…
1486	cf::async {	2004	cf::async {
1487	$_->contr->save for $self->players;	2005	$_->contr->save for $self->players;
1488	};	2006	};
1489		2007
1490	if ($uniq) {	2008	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2009	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	2010	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	2011	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	2013	}
1496	}	2014	}
1497		2015
1498	sub swap_out {	2016	sub swap_out {
1499	my ($self) = @_;	2017	my ($self) = @_;
…		…
1513		2031
1514	sub reset_at {	2032	sub reset_at {
1515	my ($self) = @_;	2033	my ($self) = @_;
1516		2034
1517	# TODO: safety, remove and allow resettable per-player maps	2035	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};
1519	return 1e99 if $self->{deny_reset};	2036	return 1e99 if $self->{deny_reset};
1520		2037
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2038	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2039	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		2040
…		…
1528	my ($self) = @_;	2045	my ($self) = @_;
1529		2046
1530	$self->reset_at <= $cf::RUNTIME	2047	$self->reset_at <= $cf::RUNTIME
1531	}	2048	}
1532		2049
1533	sub unlink_save {
1534	my ($self) = @_;
1535
1536	utf8::encode (my $save = $self->{path}->save_path);
1537	aioreq_pri 3; IO::AIO::aio_unlink $save;
1538	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1539	}
1540
1541	sub rename {
1542	my ($self, $new_path) = @_;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = new cf::path $new_path;
1548	$self->path ($self->{path}->as_string);
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	2050	sub reset {
1555	my ($self) = @_;	2051	my ($self) = @_;
1556		2052
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		2054
1559	return if $self->players;	2055	return if $self->players;
1560	return if $self->{path}{user_rel};#d#
1561		2056
1562	warn "resetting map ", $self->path;#d#	2057	warn "resetting map ", $self->path;
		2058
		2059	$self->in_memory (cf::MAP_SWAPPED);
		2060
		2061	# need to save uniques path
		2062	unless ($self->{deny_save}) {
		2063	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2064
		2065	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2066	if $uniq;
		2067	}
1563		2068
1564	delete $cf::MAP{$self->path};	2069	delete $cf::MAP{$self->path};
		2070
		2071	$self->clear;
1565		2072
1566	$_->clear_links_to ($self) for values %cf::MAP;	2073	$_->clear_links_to ($self) for values %cf::MAP;
1567		2074
1568	$self->unlink_save;	2075	$self->unlink_save;
1569	$self->destroy;	2076	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	2079	my $nuke_counter = "aaaa";
1573		2080
1574	sub nuke {	2081	sub nuke {
1575	my ($self) = @_;	2082	my ($self) = @_;
1576		2083
		2084	delete $cf::MAP{$self->path};
		2085
		2086	$self->unlink_save;
		2087
		2088	bless $self, "cf::map";
		2089	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	2090	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	2091	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	2092	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2093
		2094	$cf::MAP{$self->path} = $self;
		2095
1580	$self->reset; # polite request, might not happen	2096	$self->reset; # polite request, might not happen
1581	}	2097	}
1582		2098
1583	sub customise_for {	2099	=item $maps = cf::map::tmp_maps
1584	my ($map, $ob) = @_;
1585		2100
1586	if ($map->per_player) {	2101	Returns an arrayref with all map paths of currently instantiated and saved
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2102	maps. May block.
		2103
		2104	=cut
		2105
		2106	sub tmp_maps() {
1588	}	2107	[
1589		2108	map {
1590	$map	2109	utf8::decode $_;
		2110	/\.map$/
		2111	? normalise $_
		2112	: ()
		2113	} @{ aio_readdir $TMPDIR or [] }
		2114	]
1591	}	2115	}
1592		2116
1593	sub emergency_save {	2117	=item $maps = cf::map::random_maps
1594	my $freeze_guard = cf::freeze_mainloop;
1595		2118
1596	warn "enter emergency perl save\n";	2119	Returns an arrayref with all map paths of currently instantiated and saved
		2120	random maps. May block.
1597		2121
1598	cf::sync_job {	2122	=cut
1599	warn "begin emergency player save\n";
1600	$_->save for values %cf::PLAYER;
1601	warn "end emergency player save\n";
1602		2123
1603	warn "begin emergency map save\n";	2124	sub random_maps() {
1604	$_->save for values %cf::MAP;	2125	[
1605	warn "end emergency map save\n";	2126	map {
1606	};	2127	utf8::decode $_;
		2128	/\.map$/
		2129	? normalise "?random/$_"
		2130	: ()
		2131	} @{ aio_readdir $RANDOMDIR or [] }
		2132	]
		2133	}
1607		2134
1608	warn "leave emergency perl save\n";	2135	=item cf::map::unique_maps
		2136
		2137	Returns an arrayref of paths of all shared maps that have
		2138	instantiated unique items. May block.
		2139
		2140	=cut
		2141
		2142	sub unique_maps() {
		2143	[
		2144	map {
		2145	utf8::decode $_;
		2146	/\.map$/
		2147	? normalise $_
		2148	: ()
		2149	} @{ aio_readdir $UNIQUEDIR or [] }
		2150	]
1609	}	2151	}
1610		2152
1611	package cf;	2153	package cf;
1612		2154
1613	=back	2155	=back
1614		2156
		2157	=head3 cf::object
		2158
		2159	=cut
		2160
		2161	package cf::object;
		2162
		2163	=over 4
		2164
		2165	=item $ob->inv_recursive
		2166
		2167	Returns the inventory of the object _and_ their inventories, recursively.
		2168
		2169	=cut
		2170
		2171	sub inv_recursive_;
		2172	sub inv_recursive_ {
		2173	map { $_, inv_recursive_ $_->inv } @_
		2174	}
		2175
		2176	sub inv_recursive {
		2177	inv_recursive_ inv $_[0]
		2178	}
		2179
		2180	package cf;
		2181
		2182	=back
1615		2183
1616	=head3 cf::object::player	2184	=head3 cf::object::player
1617		2185
1618	=over 4	2186	=over 4
1619		2187
…		…
1633		2201
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2202	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2203
1636	if ($self->{record_replies}) {	2204	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2205	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2206
1638	} else {	2207	} else {
		2208	my $pl = $self->contr;
		2209
		2210	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2211	my $dialog = $pl->{npc_dialog};
		2212	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2213
		2214	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2215	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2216	$self->message ($msg, $flags);
		2217	}
1641	}	2218	}
		2219	}
		2220
		2221	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2222
		2223	=cut
		2224
		2225	sub cf::object::send_msg {
		2226	my $pl = shift->contr
		2227	or return;
		2228	$pl->send_msg (@_);
1642	}	2229	}
1643		2230
1644	=item $player_object->may ("access")	2231	=item $player_object->may ("access")
1645		2232
1646	Returns wether the given player is authorized to access resource "access"	2233	Returns wether the given player is authorized to access resource "access"
…		…
1659		2246
1660	=item $player_object->enter_link	2247	=item $player_object->enter_link
1661		2248
1662	Freezes the player and moves him/her to a special map (C<{link}>).	2249	Freezes the player and moves him/her to a special map (C<{link}>).
1663		2250
1664	The player should be reaosnably safe there for short amounts of time. You	2251	The player should be reasonably safe there for short amounts of time. You
1665	I<MUST> call C<leave_link> as soon as possible, though.	2252	I<MUST> call C<leave_link> as soon as possible, though.
1666		2253
		2254	Will never block.
		2255
1667	=item $player_object->leave_link ($map, $x, $y)	2256	=item $player_object->leave_link ($map, $x, $y)
1668		2257
1669	Moves the player out of the specila link map onto the given map. If the	2258	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	2259	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	2260	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	2261	fails, to the emergency map position.
1673		2262
1674	Might block.	2263	Might block.
1675		2264
1676	=cut	2265	=cut
		2266
		2267	sub link_map {
		2268	unless ($LINK_MAP) {
		2269	$LINK_MAP = cf::map::find "{link}"
		2270	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2271	$LINK_MAP->load;
		2272	}
		2273
		2274	$LINK_MAP
		2275	}
1677		2276
1678	sub cf::object::player::enter_link {	2277	sub cf::object::player::enter_link {
1679	my ($self) = @_;	2278	my ($self) = @_;
1680		2279
1681	$self->deactivate_recursive;	2280	$self->deactivate_recursive;
1682		2281
1683	return if $self->map == $LINK_MAP;	2282	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		2283
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2284	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	2285	if $self->map && $self->map->{path} ne "{link}";
1687		2286
1688	$self->enter_map ($LINK_MAP, 20, 20);	2287	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	2288	}
1690		2289
1691	sub cf::object::player::leave_link {	2290	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	2291	my ($self, $map, $x, $y) = @_;
		2292
		2293	return unless $self->contr->active;
1693		2294
1694	my $link_pos = delete $self->{_link_pos};	2295	my $link_pos = delete $self->{_link_pos};
1695		2296
1696	unless ($map) {	2297	unless ($map) {
1697	# restore original map position	2298	# restore original map position
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	2312	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	2313	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	2314	if $x <=0 && $y <= 0;
1714		2315
1715	$map->load;	2316	$map->load;
		2317	$map->load_diag;
1716		2318
1717	return unless $self->contr->active;	2319	return unless $self->contr->active;
1718	$self->activate_recursive;	2320	$self->activate_recursive;
		2321
		2322	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	2323	$self->enter_map ($map, $x, $y);
1720	}	2324	}
1721		2325
1722	cf::player->attach (	2326	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1723	on_logout => sub {
1724	my ($pl) = @_;
1725		2327
1726	# abort map switching before logout	2328	Moves the player to the given map-path and coordinates by first freezing
1727	if ($pl->ob->{_link_pos}) {	2329	her, loading and preparing them map, calling the provided $check callback
1728	cf::sync_job {	2330	that has to return the map if sucecssful, and then unfreezes the player on
1729	$pl->ob->leave_link	2331	the new (success) or old (failed) map position. In either case, $done will
1730	};	2332	be called at the end of this process.
1731	}
1732	},
1733	on_login => sub {
1734	my ($pl) = @_;
1735		2333
1736	# try to abort aborted map switching on player login :)
1737	# should happen only on crashes
1738	if ($pl->ob->{_link_pos}) {
1739	$pl->ob->enter_link;
1740	(async {
1741	# we need this sleep as the login has a concurrent enter_exit running
1742	# and this sleep increases chances of the player not ending up in scorn
1743	$pl->ob->reply (undef,
1744	"There was an internal problem at your last logout, "
1745	. "the server will try to bring you to your intended destination in a second.",
1746	cf::NDI_RED);
1747	Coro::Timer::sleep 1;
1748	$pl->ob->leave_link;
1749	})->prio (2);
1750	}
1751	},
1752	);
1753
1754	=item $player_object->goto ($path, $x, $y)
1755
1756	=cut	2334	=cut
		2335
		2336	our $GOTOGEN;
1757		2337
1758	sub cf::object::player::goto {	2338	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	2339	my ($self, $path, $x, $y, $check, $done) = @_;
1760		2340
1761	$path = new cf::path $path;	2341	# do generation counting so two concurrent goto's will be executed in-order
1762	$path ne "/" or Carp::cluck ("oy");#d#	2342	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1763		2343
1764	$self->enter_link;	2344	$self->enter_link;
1765		2345
1766	(async {	2346	(async {
		2347	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	2348	my $map = cf::map::find $path;
		2349
		2350	if ($map) {
1768	$map = $map->customise_for ($self) if $map;	2351	$map = $map->customise_for ($self);
1769		2352	$map = $check->($map) if $check && $map;
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	2353	} else {
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2354	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2355	}
1774		2356
		2357	$map
		2358	};
		2359
		2360	if ($@) {
		2361	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2362	LOG llevError | logBacktrace, Carp::longmess $@;
		2363	}
		2364
		2365	if ($gen == $self->{_goto_generation}) {
		2366	delete $self->{_goto_generation};
1775	$self->leave_link ($map, $x, $y);	2367	$self->leave_link ($map, $x, $y);
		2368	}
		2369
		2370	$done->() if $done;
1776	})->prio (1);	2371	})->prio (1);
1777	}	2372	}
1778		2373
1779	=item $player_object->enter_exit ($exit_object)	2374	=item $player_object->enter_exit ($exit_object)
1780		2375
…		…
1782		2377
1783	sub parse_random_map_params {	2378	sub parse_random_map_params {
1784	my ($spec) = @_;	2379	my ($spec) = @_;
1785		2380
1786	my $rmp = { # defaults	2381	my $rmp = { # defaults
1787	xsize => 10,	2382	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	2383	ysize => (cf::rndm 15, 40),
		2384	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2385	#layout => string,
1789	};	2386	};
1790		2387
1791	for (split /\n/, $spec) {	2388	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	2389	my ($k, $v) = split /\s+/, $_, 2;
1793		2390
…		…
1797	$rmp	2394	$rmp
1798	}	2395	}
1799		2396
1800	sub prepare_random_map {	2397	sub prepare_random_map {
1801	my ($exit) = @_;	2398	my ($exit) = @_;
		2399
		2400	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		2401
1803	# all this does is basically replace the /! path by	2402	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	2403	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	2404	# that depends on the exit object
1806		2405
1807	my $rmp = parse_random_map_params $exit->msg;	2406	my $rmp = parse_random_map_params $exit->msg;
1808		2407
1809	if ($exit->map) {	2408	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2409	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2410	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2411	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2412	$rmp->{origin_y} = $exit->y;
1814	}	2413	}
1815		2414
1816	$rmp->{random_seed} ||= $exit->random_seed;	2415	$rmp->{random_seed} ||= $exit->random_seed;
1817		2416
1818	my $data = cf::to_json $rmp;	2417	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	2418	my $md5 = Digest::MD5::md5_hex $data;
		2419	my $meta = "$RANDOMDIR/$md5.meta";
1820		2420
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2421	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	2422	aio_write $fh, 0, (length $data), $data, 0;
		2423	undef $fh;
		2424	aio_rename "$meta~", $meta;
1823		2425
1824	$exit->slaying ("?random/$md5");	2426	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2427	$exit->msg (undef);
1826	}	2428	}
1827	}	2429	}
…		…
1829	sub cf::object::player::enter_exit {	2431	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2432	my ($self, $exit) = @_;
1831		2433
1832	return unless $self->type == cf::PLAYER;	2434	return unless $self->type == cf::PLAYER;
1833		2435
		2436	if ($exit->slaying eq "/!") {
		2437	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2438	# the problem is that $exit might not survive long enough
		2439	# so it needs to be done right now, right here
		2440	cf::sync_job { prepare_random_map $exit };
		2441	}
		2442
		2443	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2444	my $hp = $exit->stats->hp;
		2445	my $sp = $exit->stats->sp;
		2446
1834	$self->enter_link;	2447	$self->enter_link;
		2448
		2449	# if exit is damned, update players death & WoR home-position
		2450	$self->contr->savebed ($slaying, $hp, $sp)
		2451	if $exit->flag (FLAG_DAMNED);
1835		2452
1836	(async {	2453	(async {
1837	$self->deactivate_recursive; # just to be sure	2454	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	2455	unless (eval {
1839	prepare_random_map $exit	2456	$self->goto ($slaying, $hp, $sp);
1840	if $exit->slaying eq "/!";
1841
1842	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1843	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1844		2457
1845	1;	2458	1;
1846	}) {	2459	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2460	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	2461	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2462	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2463	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2464
1852	warn "ERROR in enter_exit: $@";	2465	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2466	$self->leave_link;
1854	}	2467	}
1855	})->prio (1);	2468	})->prio (1);
…		…
1868		2481
1869	sub cf::client::send_drawinfo {	2482	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2483	my ($self, $text, $flags) = @_;
1871		2484
1872	utf8::encode $text;	2485	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2486	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2487	}
1875		2488
		2489	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2490
		2491	Send a drawinfo or msg packet to the client, formatting the msg for the
		2492	client if neccessary. C<$type> should be a string identifying the type of
		2493	the message, with C<log> being the default. If C<$color> is negative, suppress
		2494	the message unless the client supports the msg packet.
		2495
		2496	=cut
		2497
		2498	sub cf::client::send_msg {
		2499	my ($self, $channel, $msg, $color, @extra) = @_;
		2500
		2501	$msg = $self->pl->expand_cfpod ($msg);
		2502
		2503	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2504
		2505	if (ref $channel) {
		2506	# send meta info to client, if not yet sent
		2507	unless (exists $self->{channel}{$channel->{id}}) {
		2508	$self->{channel}{$channel->{id}} = $channel;
		2509	$self->ext_msg (channel_info => $channel);
		2510	}
		2511
		2512	$channel = $channel->{id};
		2513	}
		2514
		2515	return unless @extra || length $msg;
		2516
		2517	if ($self->can_msg) {
		2518	# default colour, mask it out
		2519	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2520	if $color & cf::NDI_DEF;
		2521
		2522	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2523	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2524	} else {
		2525	if ($color >= 0) {
		2526	# replace some tags by gcfclient-compatible ones
		2527	for ($msg) {
		2528	1 while
		2529	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2530	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2531	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2532	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2533	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2534	}
		2535
		2536	$color &= cf::NDI_COLOR_MASK;
		2537
		2538	utf8::encode $msg;
		2539
		2540	if (0 && $msg =~ /\[/) {
		2541	# COMMAND/INFO
		2542	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2543	} else {
		2544	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2545	$self->send_packet ("drawinfo $color $msg")
		2546	}
		2547	}
		2548	}
		2549	}
		2550
		2551	=item $client->ext_msg ($type, @msg)
		2552
		2553	Sends an ext event to the client.
		2554
		2555	=cut
		2556
		2557	sub cf::client::ext_msg($$@) {
		2558	my ($self, $type, @msg) = @_;
		2559
		2560	my $extcmd = $self->extcmd;
		2561
		2562	if ($extcmd == 2) {
		2563	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2564	} elsif ($extcmd == 1) { # TODO: remove
		2565	push @msg, msgtype => "event_$type";
		2566	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2567	}
		2568	}
1876		2569
1877	=item $success = $client->query ($flags, "text", \&cb)	2570	=item $success = $client->query ($flags, "text", \&cb)
1878		2571
1879	Queues a query to the client, calling the given callback with	2572	Queues a query to the client, calling the given callback with
1880	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2573	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1881	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2574	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1882		2575
1883	Queries can fail, so check the return code. Or don't, as queries will become	2576	Queries can fail, so check the return code. Or don't, as queries will
1884	reliable at some point in the future.	2577	become reliable at some point in the future.
1885		2578
1886	=cut	2579	=cut
1887		2580
1888	sub cf::client::query {	2581	sub cf::client::query {
1889	my ($self, $flags, $text, $cb) = @_;	2582	my ($self, $flags, $text, $cb) = @_;
…		…
1897	utf8::encode $text;	2590	utf8::encode $text;
1898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2591	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1899		2592
1900	$self->send_packet ($self->{query_queue}[0][0])	2593	$self->send_packet ($self->{query_queue}[0][0])
1901	if @{ $self->{query_queue} } == 1;	2594	if @{ $self->{query_queue} } == 1;
		2595
		2596	1
1902	}	2597	}
1903		2598
1904	cf::client->attach (	2599	cf::client->attach (
		2600	on_connect => sub {
		2601	my ($ns) = @_;
		2602
		2603	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2604	},
1905	on_reply => sub {	2605	on_reply => sub {
1906	my ($ns, $msg) = @_;	2606	my ($ns, $msg) = @_;
1907		2607
1908	# this weird shuffling is so that direct followup queries	2608	# this weird shuffling is so that direct followup queries
1909	# get handled first	2609	# get handled first
1910	my $queue = delete $ns->{query_queue}	2610	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2611	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2612
1913	(shift @$queue)->[1]->($msg);	2613	(shift @$queue)->[1]->($msg);
		2614	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2615
1915	push @{ $ns->{query_queue} }, @$queue;	2616	push @{ $ns->{query_queue} }, @$queue;
1916		2617
1917	if (@{ $ns->{query_queue} } == @$queue) {	2618	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2619	if (@$queue) {
…		…
1920	} else {	2621	} else {
1921	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2622	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1922	}	2623	}
1923	}	2624	}
1924	},	2625	},
		2626	on_exticmd => sub {
		2627	my ($ns, $buf) = @_;
		2628
		2629	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2630
		2631	if (ref $msg) {
		2632	my ($type, $reply, @payload) =
		2633	"ARRAY" eq ref $msg
		2634	? @$msg
		2635	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2636
		2637	if (my $cb = $EXTICMD{$type}) {
		2638	my @reply = $cb->($ns, @payload);
		2639
		2640	$ns->ext_reply ($reply, @reply)
		2641	if $reply;
		2642	}
		2643	} else {
		2644	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2645	}
		2646
		2647	cf::override;
		2648	},
1925	);	2649	);
1926		2650
1927	=item $client->async (\&cb)	2651	=item $client->async (\&cb)
1928		2652
1929	Create a new coroutine, running the specified callback. The coroutine will	2653	Create a new coroutine, running the specified callback. The coroutine will
…		…
1970	our $safe = new Safe "safe";	2694	our $safe = new Safe "safe";
1971	our $safe_hole = new Safe::Hole;	2695	our $safe_hole = new Safe::Hole;
1972		2696
1973	$SIG{FPE} = 'IGNORE';	2697	$SIG{FPE} = 'IGNORE';
1974		2698
1975	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2699	$safe->permit_only (Opcode::opset qw(
		2700	:base_core :base_mem :base_orig :base_math
		2701	grepstart grepwhile mapstart mapwhile
		2702	sort time
		2703	));
1976		2704
1977	# here we export the classes and methods available to script code	2705	# here we export the classes and methods available to script code
1978		2706
1979	=pod	2707	=pod
1980		2708
1981	The following fucntions and emthods are available within a safe environment:	2709	The following functions and methods are available within a safe environment:
1982		2710
1983	cf::object contr pay_amount pay_player map	2711	cf::object
		2712	contr pay_amount pay_player map x y force_find force_add
		2713	insert remove name archname title slaying race
		2714
1984	cf::object::player player	2715	cf::object::player
1985	cf::player peaceful	2716	player
1986	cf::map trigger	2717
		2718	cf::player
		2719	peaceful
		2720
		2721	cf::map
		2722	trigger
1987		2723
1988	=cut	2724	=cut
1989		2725
1990	for (	2726	for (
1991	["cf::object" => qw(contr pay_amount pay_player map)],	2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2728	insert remove inv name archname title slaying race)],
1992	["cf::object::player" => qw(player)],	2729	["cf::object::player" => qw(player)],
1993	["cf::player" => qw(peaceful)],	2730	["cf::player" => qw(peaceful)],
1994	["cf::map" => qw(trigger)],	2731	["cf::map" => qw(trigger)],
1995	) {	2732	) {
1996	no strict 'refs';	2733	no strict 'refs';
…		…
2067	=back	2804	=back
2068		2805
2069	=cut	2806	=cut
2070		2807
2071	#############################################################################	2808	#############################################################################
		2809	# the server's init and main functions
2072		2810
2073	=head2 EXTENSION DATABASE SUPPORT	2811	sub load_facedata($) {
		2812	my ($path) = @_;
2074		2813
2075	Crossfire maintains a very simple database for extension use. It can	2814	warn "loading facedata from $path\n";
2076	currently store anything that can be serialised using Storable, which
2077	excludes objects.
2078		2815
2079	The parameter C<$family> should best start with the name of the extension	2816	my $facedata;
2080	using it, it should be unique.	2817	0 < aio_load $path, $facedata
		2818	or die "$path: $!";
2081		2819
2082	=over 4	2820	$facedata = Coro::Storable::thaw $facedata;
2083		2821
2084	=item $hashref = cf::db_get $family	2822	$facedata->{version} == 2
		2823	or cf::cleanup "$path: version mismatch, cannot proceed.";
2085		2824
2086	Return a hashref for use by the extension C<$family>, which can be
2087	modified. After modifications, you have to call C<cf::db_dirty> or
2088	C<cf::db_sync>.
2089
2090	=item $value = cf::db_get $family => $key
2091
2092	Returns a single value from the database
2093
2094	=item cf::db_put $family => $hashref
2095
2096	Stores the given family hashref into the database. Updates are delayed, if
2097	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2098
2099	=item cf::db_put $family => $key => $value
2100
2101	Stores the given C<$value> in the family hash. Updates are delayed, if you
2102	want the data to be synced to disk immediately, use C<cf::db_sync>.
2103
2104	=item cf::db_dirty
2105
2106	Marks the database as dirty, to be updated at a later time.
2107
2108	=item cf::db_sync
2109
2110	Immediately write the database to disk I<if it is dirty>.
2111
2112	=cut
2113
2114	our $DB;
2115
2116	{
2117	my $path = cf::localdir . "/database.pst";
2118
2119	sub db_load() {
2120	$DB = stat $path ? Storable::retrieve $path : { };
2121	}	2825	{
		2826	my $faces = $facedata->{faceinfo};
2122		2827
2123	my $pid;	2828	while (my ($face, $info) = each %$faces) {
		2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2830	cf::face::set_visibility $idx, $info->{visibility};
		2831	cf::face::set_magicmap $idx, $info->{magicmap};
		2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2124		2834
2125	sub db_save() {	2835	cf::cede_to_tick;
2126	waitpid $pid, 0 if $pid;
2127	if (0 == ($pid = fork)) {
2128	$DB->{_meta}{version} = 1;
2129	Storable::nstore $DB, "$path~";
2130	rename "$path~", $path;
2131	cf::_exit 0 if defined $pid;
2132	}
2133	}
2134
2135	my $dirty;
2136
2137	sub db_sync() {
2138	db_save if $dirty;
2139	undef $dirty;
2140	}
2141
2142	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2143	db_sync;
2144	});
2145
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}
2150
2151	sub db_get($;$) {
2152	@_ >= 2
2153	? $DB->{$_[0]}{$_[1]}
2154	: ($DB->{$_[0]} ||= { })
2155	}
2156
2157	sub db_put($$;$) {
2158	if (@_ >= 3) {
2159	$DB->{$_[0]}{$_[1]} = $_[2];
2160	} else {
2161	$DB->{$_[0]} = $_[1];
2162	}
2163	db_dirty;
2164	}
2165
2166	cf::global->attach (
2167	prio => 10000,
2168	on_cleanup => sub {
2169	db_sync;
2170	},	2836	}
2171	);
2172	}
2173		2837
2174	#############################################################################	2838	while (my ($face, $info) = each %$faces) {
2175	# the server's main()	2839	next unless $info->{smooth};
		2840	my $idx = cf::face::find $face
		2841	or next;
		2842	if (my $smooth = cf::face::find $info->{smooth}) {
		2843	cf::face::set_smooth $idx, $smooth;
		2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2845	} else {
		2846	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2847	}
		2848
		2849	cf::cede_to_tick;
		2850	}
		2851	}
		2852
		2853	{
		2854	my $anims = $facedata->{animinfo};
		2855
		2856	while (my ($anim, $info) = each %$anims) {
		2857	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2858	cf::cede_to_tick;
		2859	}
		2860
		2861	cf::anim::invalidate_all; # d'oh
		2862	}
		2863
		2864	{
		2865	# TODO: for gcfclient pleasure, we should give resources
		2866	# that gcfclient doesn't grok a >10000 face index.
		2867	my $res = $facedata->{resource};
		2868	my $enc = JSON::XS->new->utf8->canonical;
		2869
		2870	my $soundconf = delete $res->{"res/sound.conf"};
		2871
		2872	while (my ($name, $info) = each %$res) {
		2873	my $meta = $enc->encode ({
		2874	name => $name,
		2875	%{ $info->{meta} || {} },
		2876	});
		2877
		2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2879
		2880	if ($info->{type} & 1) {
		2881	# prepend meta info
		2882
		2883	my $data = pack "(w/a*)*", $meta, $info->{data};
		2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2885
		2886	cf::face::set_data $idx, 0, $data, $chk;
		2887	} else {
		2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2889	}
		2890
		2891	cf::face::set_type $idx, $info->{type};
		2892
		2893	cf::cede_to_tick;
		2894	}
		2895
		2896	if ($soundconf) {
		2897	$soundconf = $enc->decode (delete $soundconf->{data});
		2898
		2899	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2900	my $sound = $soundconf->{compat}[$_]
		2901	or next;
		2902
		2903	my $face = cf::face::find "sound/$sound->[1]";
		2904	cf::sound::set $sound->[0] => $face;
		2905	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2906	}
		2907
		2908	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2909	my $face = cf::face::find "sound/$v";
		2910	cf::sound::set $k => $face;
		2911	}
		2912	}
		2913	}
		2914
		2915	1
		2916	}
		2917
		2918	register_exticmd fx_want => sub {
		2919	my ($ns, $want) = @_;
		2920
		2921	while (my ($k, $v) = each %$want) {
		2922	$ns->fx_want ($k, $v);
		2923	}
		2924	};
		2925
		2926	sub reload_regions {
		2927	load_resource_file "$MAPDIR/regions"
		2928	or die "unable to load regions file\n";
		2929
		2930	for (cf::region::list) {
		2931	$_->{match} = qr/$_->{match}/
		2932	if exists $_->{match};
		2933	}
		2934	}
		2935
		2936	sub reload_facedata {
		2937	load_facedata "$DATADIR/facedata"
		2938	or die "unable to load facedata\n";
		2939	}
		2940
		2941	sub reload_archetypes {
		2942	load_resource_file "$DATADIR/archetypes"
		2943	or die "unable to load archetypes\n";
		2944	#d# NEED to laod twice to resolve forward references
		2945	# this really needs to be done in an extra post-pass
		2946	# (which needs to be synchronous, so solve it differently)
		2947	load_resource_file "$DATADIR/archetypes"
		2948	or die "unable to load archetypes\n";
		2949	}
		2950
		2951	sub reload_treasures {
		2952	load_resource_file "$DATADIR/treasures"
		2953	or die "unable to load treasurelists\n";
		2954	}
		2955
		2956	sub reload_resources {
		2957	warn "reloading resource files...\n";
		2958
		2959	reload_regions;
		2960	reload_facedata;
		2961	#reload_archetypes;#d#
		2962	reload_archetypes;
		2963	reload_treasures;
		2964
		2965	warn "finished reloading resource files\n";
		2966	}
		2967
		2968	sub init {
		2969	reload_resources;
		2970	}
2176		2971
2177	sub cfg_load {	2972	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2973	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	2974	or return;
2180		2975
2181	local $/;	2976	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	2977	*CFG = YAML::Syck::Load <$fh>;
2183		2978
…		…
2197		2992
2198	sub main {	2993	sub main {
2199	# we must not ever block the main coroutine	2994	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	2995	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2996	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2997	(async {
2202	async { Event::one_event };	2998	Event::one_event;
		2999	})->prio (Coro::PRIO_MAX);
2203	};	3000	};
2204		3001
2205	cfg_load;	3002	cfg_load;
2206	db_load;	3003	db_init;
2207	load_extensions;	3004	load_extensions;
		3005
		3006	$TICK_WATCHER->start;
2208	Event::loop;	3007	Event::loop;
2209	}	3008	}
2210		3009
2211	#############################################################################	3010	#############################################################################
2212	# initialisation	3011	# initialisation and cleanup
2213		3012
		3013	# install some emergency cleanup handlers
		3014	BEGIN {
		3015	for my $signal (qw(INT HUP TERM)) {
		3016	Event->signal (
		3017	reentrant => 0,
		3018	data => WF_AUTOCANCEL,
		3019	signal => $signal,
		3020	prio => 0,
		3021	cb => sub {
		3022	cf::cleanup "SIG$signal";
		3023	},
		3024	);
		3025	}
		3026	}
		3027
		3028	sub write_runtime {
		3029	my $runtime = "$LOCALDIR/runtime";
		3030
		3031	# first touch the runtime file to show we are still running:
		3032	# the fsync below can take a very very long time.
		3033
		3034	IO::AIO::aio_utime $runtime, undef, undef;
		3035
		3036	my $guard = cf::lock_acquire "write_runtime";
		3037
		3038	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3039	or return;
		3040
		3041	my $value = $cf::RUNTIME + 90 + 10;
		3042	# 10 is the runtime save interval, for a monotonic clock
		3043	# 60 allows for the watchdog to kill the server.
		3044
		3045	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3046	and return;
		3047
		3048	# always fsync - this file is important
		3049	aio_fsync $fh
		3050	and return;
		3051
		3052	# touch it again to show we are up-to-date
		3053	aio_utime $fh, undef, undef;
		3054
		3055	close $fh
		3056	or return;
		3057
		3058	aio_rename "$runtime~", $runtime
		3059	and return;
		3060
		3061	warn "runtime file written.\n";
		3062
		3063	1
		3064	}
		3065
		3066	sub emergency_save() {
		3067	my $freeze_guard = cf::freeze_mainloop;
		3068
		3069	warn "enter emergency perl save\n";
		3070
		3071	cf::sync_job {
		3072	# use a peculiar iteration method to avoid tripping on perl
		3073	# refcount bugs in for. also avoids problems with players
		3074	# and maps saved/destroyed asynchronously.
		3075	warn "begin emergency player save\n";
		3076	for my $login (keys %cf::PLAYER) {
		3077	my $pl = $cf::PLAYER{$login} or next;
		3078	$pl->valid or next;
		3079	$pl->save;
		3080	}
		3081	warn "end emergency player save\n";
		3082
		3083	warn "begin emergency map save\n";
		3084	for my $path (keys %cf::MAP) {
		3085	my $map = $cf::MAP{$path} or next;
		3086	$map->valid or next;
		3087	$map->save;
		3088	}
		3089	warn "end emergency map save\n";
		3090
		3091	warn "begin emergency database checkpoint\n";
		3092	BDB::db_env_txn_checkpoint $DB_ENV;
		3093	warn "end emergency database checkpoint\n";
		3094	};
		3095
		3096	warn "leave emergency perl save\n";
		3097	}
		3098
		3099	sub post_cleanup {
		3100	my ($make_core) = @_;
		3101
		3102	warn Carp::longmess "post_cleanup backtrace"
		3103	if $make_core;
		3104	}
		3105
2214	sub reload() {	3106	sub do_reload_perl() {
2215	# can/must only be called in main	3107	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	3108	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	3109	warn "can only reload from main coroutine";
2218	return;	3110	return;
2219	}	3111	}
2220		3112
2221	warn "reloading...";	3113	warn "reloading...";
2222		3114
2223	my $guard = freeze_mainloop;	3115	warn "entering sync_job";
		3116
		3117	cf::sync_job {
		3118	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	3119	cf::emergency_save;
		3120	cf::write_runtime; # external watchdog should not bark
2225		3121
2226	eval {	3122	warn "syncing database to disk";
		3123	BDB::db_env_txn_checkpoint $DB_ENV;
		3124
2227	# if anything goes wrong in here, we should simply crash as we already saved	3125	# if anything goes wrong in here, we should simply crash as we already saved
2228		3126
2229	# cancel all watchers	3127	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	3128	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	3129	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	3130	}
2233		3131
		3132	warn "flushing outstanding aio requests";
		3133	for (;;) {
		3134	BDB::flush;
		3135	IO::AIO::flush;
		3136	Coro::cede;
		3137	last unless IO::AIO::nreqs || BDB::nreqs;
		3138	warn "iterate...";
		3139	}
		3140
		3141	++$RELOAD;
		3142
2234	# cancel all extension coros	3143	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	3144	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	3145	%EXT_CORO = ();
2237		3146
2238	# unload all extensions	3147	warn "removing commands";
2239	for (@exts) {	3148	%COMMAND = ();
		3149
		3150	warn "removing ext/exti commands";
		3151	%EXTCMD = ();
		3152	%EXTICMD = ();
		3153
		3154	warn "unloading/nuking all extensions";
		3155	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	3156	warn "... unloading $pkg";
2241	unload_extension $_;	3157
		3158	if (my $cb = $pkg->can ("unload")) {
		3159	eval {
		3160	$cb->($pkg);
		3161	1
		3162	} or warn "$pkg unloaded, but with errors: $@";
2242	}	3163	}
2243		3164
		3165	warn "... nuking $pkg";
		3166	Symbol::delete_package $pkg;
		3167	}
		3168
2244	# unload all modules loaded from $LIBDIR	3169	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	3170	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3171	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		3172
2248	warn "removing <$k>";	3173	warn "... unloading $k";
2249	delete $INC{$k};	3174	delete $INC{$k};
2250		3175
2251	$k =~ s/\.pm$//;	3176	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	3177	$k =~ s/\//::/g;
2253		3178
…		…
2256	}	3181	}
2257		3182
2258	Symbol::delete_package $k;	3183	Symbol::delete_package $k;
2259	}	3184	}
2260		3185
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	3186	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	3187	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3188	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		3189
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	3190	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	3191	delete $INC{"cf.pm"};
		3192	delete $INC{"cf/pod.pm"};
2274		3193
2275	# don't, removes xs symbols, too,	3194	# don't, removes xs symbols, too,
2276	# and global variables created in xs	3195	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	3196	#Symbol::delete_package __PACKAGE__;
2278		3197
2279	# reload cf.pm	3198	warn "unload completed, starting to reload now";
		3199
2280	warn "reloading cf.pm";	3200	warn "reloading cf.pm";
2281	require cf;	3201	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3202	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		3203
2284	# load config and database again	3204	warn "loading config and database again";
2285	cf::cfg_load;	3205	cf::cfg_load;
2286	cf::db_load;
2287		3206
2288	# load extensions
2289	warn "load extensions";	3207	warn "loading extensions";
2290	cf::load_extensions;	3208	cf::load_extensions;
2291		3209
2292	# reattach attachments to objects	3210	warn "reattaching attachments to objects/players";
2293	warn "reattach";	3211	_global_reattach; # objects, sockets
2294	_global_reattach;	3212	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	3213	reattach $_ for values %MAP;
2296	};	3214	warn "reattaching attachments to players";
		3215	reattach $_ for values %PLAYER;
2297		3216
2298	if ($@) {	3217	warn "leaving sync_job";
		3218
		3219	1
		3220	} or do {
2299	warn $@;	3221	warn $@;
2300	warn "error while reloading, exiting.";	3222	warn "error while reloading, exiting.";
2301	exit 1;	3223	exit 1;
2302	}	3224	};
2303		3225
2304	warn "reloaded successfully";	3226	warn "reloaded";
2305	};	3227	};
2306		3228
2307	#############################################################################	3229	our $RELOAD_WATCHER; # used only during reload
2308		3230
2309	unless ($LINK_MAP) {	3231	sub reload_perl() {
2310	$LINK_MAP = cf::map::new;	3232	# doing reload synchronously and two reloads happen back-to-back,
		3233	# coro crashes during coro_state_free->destroy here.
2311		3234
2312	$LINK_MAP->width (41);	3235	$RELOAD_WATCHER ||= Event->timer (
2313	$LINK_MAP->height (41);	3236	reentrant => 0,
2314	$LINK_MAP->alloc;
2315	$LINK_MAP->path ("{link}");
2316	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2317	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2318
2319	# dirty hack because... archetypes are not yet loaded
2320	Event->timer (
2321	after => 10,	3237	after => 0,
		3238	data => WF_AUTOCANCEL,
2322	cb => sub {	3239	cb => sub {
2323	$_[0]->w->cancel;	3240	do_reload_perl;
2324		3241	undef $RELOAD_WATCHER;
2325	# provide some exits "home"
2326	my $exit = cf::object::new "exit";
2327
2328	$exit->slaying ($EMERGENCY_POSITION->[0]);
2329	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2330	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2331
2332	$LINK_MAP->insert ($exit->clone, 19, 19);
2333	$LINK_MAP->insert ($exit->clone, 19, 20);
2334	$LINK_MAP->insert ($exit->clone, 19, 21);
2335	$LINK_MAP->insert ($exit->clone, 20, 19);
2336	$LINK_MAP->insert ($exit->clone, 20, 21);
2337	$LINK_MAP->insert ($exit->clone, 21, 19);
2338	$LINK_MAP->insert ($exit->clone, 21, 20);
2339	$LINK_MAP->insert ($exit->clone, 21, 21);
2340
2341	$exit->destroy;
2342	});	3242	},
2343		3243	);
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	3244	}
2349
2350	register "<global>", __PACKAGE__;
2351		3245
2352	register_command "reload" => sub {	3246	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	3247	my ($who, $arg) = @_;
2354		3248
2355	if ($who->flag (FLAG_WIZ)) {	3249	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	3250	$who->message ("reloading server.");
		3251	async { reload_perl };
2359	}	3252	}
2360	};	3253	};
2361		3254
2362	unshift @INC, $LIBDIR;	3255	unshift @INC, $LIBDIR;
2363		3256
		3257	my $bug_warning = 0;
		3258
		3259	our @WAIT_FOR_TICK;
		3260	our @WAIT_FOR_TICK_BEGIN;
		3261
		3262	sub wait_for_tick {
		3263	return unless $TICK_WATCHER->is_active;
		3264	return if $Coro::current == $Coro::main;
		3265
		3266	my $signal = new Coro::Signal;
		3267	push @WAIT_FOR_TICK, $signal;
		3268	$signal->wait;
		3269	}
		3270
		3271	sub wait_for_tick_begin {
		3272	return unless $TICK_WATCHER->is_active;
		3273	return if $Coro::current == $Coro::main;
		3274
		3275	my $signal = new Coro::Signal;
		3276	push @WAIT_FOR_TICK_BEGIN, $signal;
		3277	$signal->wait;
		3278	}
		3279
		3280	my $min = 1e6;#d#
		3281	my $avg = 10;
2364	$TICK_WATCHER = Event->timer (	3282	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	3283	reentrant => 0,
		3284	parked => 1,
2366	prio => 0,	3285	prio => 0,
2367	at => $NEXT_TICK || $TICK,	3286	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	3287	data => WF_AUTOCANCEL,
2369	cb => sub {	3288	cb => sub {
		3289	if ($Coro::current != $Coro::main) {
		3290	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3291	unless ++$bug_warning > 10;
		3292	return;
		3293	}
		3294
		3295	$NOW = $tick_start = Event::time;
		3296
2370	cf::server_tick; # one server iteration	3297	cf::server_tick; # one server iteration
		3298
		3299	0 && sync_job {#d#
		3300	for(1..10) {
		3301	my $t = Event::time;
		3302	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3303	or die;
		3304
		3305	$map->width (50);
		3306	$map->height (50);
		3307	$map->alloc;
		3308	$map->_load_objects ("/tmp/x.map", 1);
		3309	my $t = Event::time - $t;
		3310
		3311	#next unless $t < 0.0013;#d#
		3312	if ($t < $min) {
		3313	$min = $t;
		3314	}
		3315	$avg = $avg * 0.99 + $t * 0.01;
		3316	}
		3317	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3318	exit 0;
		3319	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3320	};
		3321
2371	$RUNTIME += $TICK;	3322	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	3323	$NEXT_TICK += $TICK;
2373		3324
		3325	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3326	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3327	Coro::async_pool {
		3328	write_runtime
		3329	or warn "ERROR: unable to write runtime file: $!";
		3330	};
		3331	}
		3332
		3333	# my $AFTER = Event::time;
		3334	# warn $AFTER - $NOW;#d#
		3335
		3336	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3337	$sig->send;
		3338	}
		3339	while (my $sig = shift @WAIT_FOR_TICK) {
		3340	$sig->send;
		3341	}
		3342
		3343	$NOW = Event::time;
		3344
2374	# if we are delayed by four ticks or more, skip them all	3345	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3346	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2376		3347
2377	$TICK_WATCHER->at ($NEXT_TICK);	3348	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	3349	$TICK_WATCHER->start;
		3350
		3351	$LOAD = ($NOW - $tick_start) / $TICK;
		3352	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3353
		3354	_post_tick;
		3355
		3356
2379	},	3357	},
2380	);	3358	);
2381		3359
		3360	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	3361	BDB::max_poll_time $TICK * 0.1;
2383		3362	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	3363	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	3364	fd => BDB::poll_fileno,
2386	poll => 'r',	3365	poll => 'r',
2387	prio => 5,	3366	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	3367	data => WF_AUTOCANCEL,
2394	after => 0,	3368	cb => \&BDB::poll_cb,
2395	interval => 10,	3369	);
2396	cb => sub {	3370	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	3371
2398	write_runtime	3372	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	3373	my $status;
		3374	my $current = $Coro::current;
		3375	(
		3376	sub {
		3377	$status = $!;
		3378	$current->ready; undef $current;
		3379	},
		3380	sub {
		3381	Coro::schedule while defined $current;
		3382	$! = $status;
		3383	},
		3384	)
		3385	};
		3386
		3387	unless ($DB_ENV) {
		3388	$DB_ENV = BDB::db_env_create;
		3389
		3390	cf::sync_job {
		3391	eval {
		3392	BDB::db_env_open
		3393	$DB_ENV,
		3394	$BDBDIR,
		3395	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3396	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3397	0666;
		3398
		3399	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3400
		3401	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3402	$DB_ENV->set_lk_detect;
		3403	};
		3404
		3405	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	3406	};
2401	},	3407	}
2402	);	3408	}
		3409
		3410	{
		3411	IO::AIO::min_parallel 8;
		3412
		3413	undef $Coro::AIO::WATCHER;
		3414	IO::AIO::max_poll_time $TICK * 0.1;
		3415	$AIO_POLL_WATCHER = Event->io (
		3416	reentrant => 0,
		3417	data => WF_AUTOCANCEL,
		3418	fd => IO::AIO::poll_fileno,
		3419	poll => 'r',
		3420	prio => 6,
		3421	cb => \&IO::AIO::poll_cb,
		3422	);
		3423	}
		3424
		3425	my $_log_backtrace;
		3426
		3427	sub _log_backtrace {
		3428	my ($msg, @addr) = @_;
		3429
		3430	$msg =~ s/\n//;
		3431
		3432	# limit the # of concurrent backtraces
		3433	if ($_log_backtrace < 2) {
		3434	++$_log_backtrace;
		3435	async {
		3436	my @bt = fork_call {
		3437	@addr = map { sprintf "%x", $_ } @addr;
		3438	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3439	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3440	or die "addr2line: $!";
		3441
		3442	my @funcs;
		3443	my @res = <$fh>;
		3444	chomp for @res;
		3445	while (@res) {
		3446	my ($func, $line) = splice @res, 0, 2, ();
		3447	push @funcs, "[$func] $line";
		3448	}
		3449
		3450	@funcs
		3451	};
		3452
		3453	LOG llevInfo, "[ABT] $msg\n";
		3454	LOG llevInfo, "[ABT] $_\n" for @bt;
		3455	--$_log_backtrace;
		3456	};
		3457	} else {
		3458	LOG llevInfo, "[ABT] $msg\n";
		3459	LOG llevInfo, "[ABT] [suppressed]\n";
		3460	}
		3461	}
		3462
		3463	# load additional modules
		3464	use cf::pod;
2403		3465
2404	END { cf::emergency_save }	3466	END { cf::emergency_save }
2405		3467
2406	1	3468	1
2407		3469

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