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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 1.336 by root, Tue Aug 21 00:31:18 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($$@) {
1273	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1274		1509
1275	$msg{msgid} = $id;	1510	$self->ns->ext_reply ($id, @msg)
1276
1277	$self->send ("ext " . cf::to_json \%msg);
1278	}	1511	}
1279		1512
1280	package cf;	1513	=item $player->ext_msg ($type, @msg)
		1514
		1515	Sends an ext event to the client.
		1516
		1517	=cut
		1518
		1519	sub ext_msg($$@) {
		1520	my ($self, $type, @msg) = @_;
		1521
		1522	$self->ns->ext_msg ($type, @msg);
		1523	}
		1524
		1525	=head3 cf::region
		1526
		1527	=over 4
		1528
		1529	=cut
		1530
		1531	package cf::region;
		1532
		1533	=item cf::region::find_by_path $path
		1534
		1535	Tries to decuce the likely region for a map knowing only its path.
		1536
		1537	=cut
		1538
		1539	sub find_by_path($) {
		1540	my ($path) = @_;
		1541
		1542	my ($match, $specificity);
		1543
		1544	for my $region (list) {
		1545	if ($region->{match} && $path =~ $region->{match}) {
		1546	($match, $specificity) = ($region, $region->specificity)
		1547	if $region->specificity > $specificity;
		1548	}
		1549	}
		1550
		1551	$match
		1552	}
1281		1553
1282	=back	1554	=back
1283
1284		1555
1285	=head3 cf::map	1556	=head3 cf::map
1286		1557
1287	=over 4	1558	=over 4
1288		1559
…		…
1291	package cf::map;	1562	package cf::map;
1292		1563
1293	use Fcntl;	1564	use Fcntl;
1294	use Coro::AIO;	1565	use Coro::AIO;
1295		1566
		1567	use overload
		1568	'""' => \&as_string,
		1569	fallback => 1;
		1570
1296	our $MAX_RESET = 3600;	1571	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1572	our $DEFAULT_RESET = 3000;
1298		1573
1299	sub generate_random_map {	1574	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1575	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1576	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1577	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1578	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1579	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1580	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1581	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1582	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1583	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1584	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1585	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1586	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1587	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1588	(cf::region::find $rmp->{region}), $rmp->{custom}
		1589	)
		1590	}
		1591
		1592	=item cf::map->register ($regex, $prio)
		1593
		1594	Register a handler for the map path matching the given regex at the
		1595	givne priority (higher is better, built-in handlers have priority 0, the
		1596	default).
		1597
		1598	=cut
		1599
		1600	sub register {
		1601	my (undef, $regex, $prio) = @_;
		1602	my $pkg = caller;
		1603
		1604	no strict;
		1605	push @{"$pkg\::ISA"}, __PACKAGE__;
		1606
		1607	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1608	}
		1609
		1610	# also paths starting with '/'
		1611	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1612
		1613	sub thawer_merge {
		1614	my ($self, $merge) = @_;
		1615
		1616	# we have to keep some variables in memory intact
		1617	local $self->{path};
		1618	local $self->{load_path};
		1619
		1620	$self->SUPER::thawer_merge ($merge);
		1621	}
		1622
		1623	sub normalise {
		1624	my ($path, $base) = @_;
		1625
		1626	$path = "$path"; # make sure its a string
		1627
		1628	$path =~ s/\.map$//;
		1629
		1630	# map plan:
		1631	#
		1632	# /! non-realised random map exit (special hack!)
		1633	# {... are special paths that are not being touched
		1634	# ?xxx/... are special absolute paths
		1635	# ?random/... random maps
		1636	# /... normal maps
		1637	# ~user/... per-player map of a specific user
		1638
		1639	$path =~ s/$PATH_SEP/\//go;
		1640
		1641	# treat it as relative path if it starts with
		1642	# something that looks reasonable
		1643	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1644	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1645
		1646	$base =~ s{[^/]+/?$}{};
		1647	$path = "$base/$path";
		1648	}
		1649
		1650	for ($path) {
		1651	redo if s{//}{/};
		1652	redo if s{/\.?/}{/};
		1653	redo if s{/[^/]+/\.\./}{/};
		1654	}
		1655
		1656	$path
		1657	}
		1658
		1659	sub new_from_path {
		1660	my (undef, $path, $base) = @_;
		1661
		1662	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1663
		1664	$path = normalise $path, $base;
		1665
		1666	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1667	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1668	my $self = bless cf::map::new, $pkg;
		1669	$self->{path} = $path; $self->path ($path);
		1670	$self->init; # pass $1 etc.
		1671	return $self;
		1672	}
		1673	}
		1674
		1675	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1676	()
		1677	}
		1678
		1679	sub init {
		1680	my ($self) = @_;
		1681
		1682	$self
		1683	}
		1684
		1685	sub as_string {
		1686	my ($self) = @_;
		1687
		1688	"$self->{path}"
		1689	}
		1690
		1691	# the displayed name, this is a one way mapping
		1692	sub visible_name {
		1693	&as_string
		1694	}
		1695
		1696	# the original (read-only) location
		1697	sub load_path {
		1698	my ($self) = @_;
		1699
		1700	"$MAPDIR/$self->{path}.map"
		1701	}
		1702
		1703	# the temporary/swap location
		1704	sub save_path {
		1705	my ($self) = @_;
		1706
		1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1708	"$TMPDIR/$path.map"
		1709	}
		1710
		1711	# the unique path, undef == no special unique path
		1712	sub uniq_path {
		1713	my ($self) = @_;
		1714
		1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1716	"$UNIQUEDIR/$path"
1316	}	1717	}
1317		1718
1318	# and all this just because we cannot iterate over	1719	# and all this just because we cannot iterate over
1319	# all maps in C++...	1720	# all maps in C++...
1320	sub change_all_map_light {	1721	sub change_all_map_light {
…		…
1322		1723
1323	$_->change_map_light ($change)	1724	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1725	for grep $_->outdoor, values %cf::MAP;
1325	}	1726	}
1326		1727
		1728	sub decay_objects {
		1729	my ($self) = @_;
		1730
		1731	return if $self->{deny_reset};
		1732
		1733	$self->do_decay_objects;
		1734	}
		1735
		1736	sub unlink_save {
		1737	my ($self) = @_;
		1738
		1739	utf8::encode (my $save = $self->save_path);
		1740	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1741	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1742	}
		1743
1327	sub try_load_header($) {	1744	sub load_header_from($) {
1328	my ($path) = @_;	1745	my ($self, $path) = @_;
1329		1746
1330	utf8::encode $path;	1747	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1748	#aio_open $path, O_RDONLY, 0
		1749	# or return;
		1750
		1751	$self->_load_header ($path)
1332	or return;	1752	or return;
1333		1753
1334	my $map = cf::map::new	1754	$self->{load_path} = $path;
		1755
		1756	1
		1757	}
		1758
		1759	sub load_header_orig {
		1760	my ($self) = @_;
		1761
		1762	$self->load_header_from ($self->load_path)
		1763	}
		1764
		1765	sub load_header_temp {
		1766	my ($self) = @_;
		1767
		1768	$self->load_header_from ($self->save_path)
		1769	}
		1770
		1771	sub prepare_temp {
		1772	my ($self) = @_;
		1773
		1774	$self->last_access ((delete $self->{last_access})
		1775	|| $cf::RUNTIME); #d#
		1776	# safety
		1777	$self->{instantiate_time} = $cf::RUNTIME
		1778	if $self->{instantiate_time} > $cf::RUNTIME;
		1779	}
		1780
		1781	sub prepare_orig {
		1782	my ($self) = @_;
		1783
		1784	$self->{load_original} = 1;
		1785	$self->{instantiate_time} = $cf::RUNTIME;
		1786	$self->last_access ($cf::RUNTIME);
		1787	$self->instantiate;
		1788	}
		1789
		1790	sub load_header {
		1791	my ($self) = @_;
		1792
		1793	if ($self->load_header_temp) {
		1794	$self->prepare_temp;
		1795	} else {
		1796	$self->load_header_orig
1335	or return;	1797	or return;
		1798	$self->prepare_orig;
		1799	}
1336		1800
1337	# for better error messages only, will be overwritten	1801	$self->{deny_reset} = 1
1338	$map->path ($path);	1802	if $self->no_reset;
1339		1803
1340	$map->load_header ($path)	1804	$self->default_region (cf::region::find_by_path $self->{path})
1341	or return;	1805	unless $self->default_region;
1342		1806
1343	$map->{load_path} = $path;	1807	1
1344
1345	$map
1346	}	1808	}
1347		1809
1348	sub find;	1810	sub find;
1349	sub find {	1811	sub find {
1350	my ($path, $origin) = @_;	1812	my ($path, $origin) = @_;
1351		1813
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1814	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1815
1357	cf::lock_wait "map_find:$key";	1816	cf::lock_wait "map_find:$path";
1358		1817
1359	$cf::MAP{$key} || do {	1818	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1819	my $guard = cf::lock_acquire "map_find:$path";
1361		1820	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;	1821	or return;
1381		1822
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;	1823	$map->{last_save} = $cf::RUNTIME;
1394		1824
1395	Coro::cede;	1825	$map->load_header
		1826	or return;
1396		1827
1397	if ($map->should_reset) {	1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1829	# doing this can freeze the server in a sync job, obviously
		1830	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1831	$map->reset;
1399	undef $guard;	1832	undef $guard;
1400	$map = find $path	1833	return find $path;
1401	or return;
1402	}	1834	}
1403		1835
1404	$cf::MAP{$key} = $map	1836	$cf::MAP{$path} = $map
1405	}	1837	}
1406	}	1838	}
		1839
		1840	sub pre_load { }
		1841	sub post_load { }
1407		1842
1408	sub load {	1843	sub load {
1409	my ($self) = @_;	1844	my ($self) = @_;
1410		1845
		1846	local $self->{deny_reset} = 1; # loading can take a long time
		1847
1411	my $path = $self->{path};	1848	my $path = $self->{path};
		1849
		1850	{
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1851	my $guard = cf::lock_acquire "map_load:$path";
1413		1852
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1853	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1854
1416	$self->in_memory (cf::MAP_LOADING);	1855	$self->in_memory (cf::MAP_LOADING);
1417		1856
1418	$self->alloc;	1857	$self->alloc;
		1858
		1859	$self->pre_load;
		1860	Coro::cede;
		1861
1419	$self->load_objects ($self->{load_path}, 1)	1862	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1863	or return;
1421		1864
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1865	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1866	if delete $self->{load_original};
1424		1867
1425	if (my $uniq = $path->uniq_path) {	1868	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1869	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1870	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1871	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1872	$self->_load_objects ($uniq, 0);
1430	}	1873	}
1431	}	1874	}
1432		1875
1433	Coro::cede;	1876	Coro::cede;
1434
1435	# now do the right thing for maps	1877	# now do the right thing for maps
1436	$self->link_multipart_objects;	1878	$self->link_multipart_objects;
1437
1438	if ($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)	1879	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1880	unless $self->difficulty;
		1881	Coro::cede;
		1882
		1883	unless ($self->{deny_activate}) {
		1884	$self->decay_objects;
		1885	$self->fix_auto_apply;
		1886	$self->update_buttons;
		1887	Coro::cede;
		1888	$self->set_darkness_map;
		1889	Coro::cede;
1448	$self->activate;	1890	$self->activate;
1449	}	1891	}
1450		1892
1451	Coro::cede;	1893	$self->{last_save} = $cf::RUNTIME;
		1894	$self->last_access ($cf::RUNTIME);
1452		1895
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1896	$self->in_memory (cf::MAP_IN_MEMORY);
		1897	}
		1898
		1899	$self->post_load;
		1900	}
		1901
		1902	sub customise_for {
		1903	my ($self, $ob) = @_;
		1904
		1905	return find "~" . $ob->name . "/" . $self->{path}
		1906	if $self->per_player;
		1907
		1908	# return find "?party/" . $ob->name . "/" . $self->{path}
		1909	# if $self->per_party;
		1910
		1911	$self
		1912	}
		1913
		1914	# find and load all maps in the 3x3 area around a map
		1915	sub load_neighbours {
		1916	my ($map) = @_;
		1917
		1918	my @neigh; # diagonal neighbours
		1919
		1920	for (0 .. 3) {
		1921	my $neigh = $map->tile_path ($_)
		1922	or next;
		1923	$neigh = find $neigh, $map
		1924	or next;
		1925	$neigh->load;
		1926
		1927	push @neigh,
		1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1930	}
		1931
		1932	for (grep defined $_->[0], @neigh) {
		1933	my ($path, $origin) = @$_;
		1934	my $neigh = find $path, $origin
		1935	or next;
		1936	$neigh->load;
		1937	}
1454	}	1938	}
1455		1939
1456	sub find_sync {	1940	sub find_sync {
1457	my ($path, $origin) = @_;	1941	my ($path, $origin) = @_;
1458		1942
1459	cf::sync_job { cf::map::find $path, $origin }	1943	cf::sync_job { find $path, $origin }
1460	}	1944	}
1461		1945
1462	sub do_load_sync {	1946	sub do_load_sync {
1463	my ($map) = @_;	1947	my ($map) = @_;
1464		1948
1465	cf::sync_job { $map->load };	1949	cf::sync_job { $map->load };
1466	}	1950	}
1467		1951
		1952	our %MAP_PREFETCH;
		1953	our $MAP_PREFETCHER = undef;
		1954
		1955	sub find_async {
		1956	my ($path, $origin) = @_;
		1957
		1958	$path = normalise $path, $origin && $origin->{path};
		1959
		1960	if (my $map = $cf::MAP{$path}) {
		1961	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1962	}
		1963
		1964	undef $MAP_PREFETCH{$path};
		1965	$MAP_PREFETCHER ||= cf::async {
		1966	while (%MAP_PREFETCH) {
		1967	for my $path (keys %MAP_PREFETCH) {
		1968	if (my $map = find $path) {
		1969	$map->load;
		1970	}
		1971
		1972	delete $MAP_PREFETCH{$path};
		1973	}
		1974	}
		1975	undef $MAP_PREFETCHER;
		1976	};
		1977	$MAP_PREFETCHER->prio (6);
		1978
		1979	()
		1980	}
		1981
1468	sub save {	1982	sub save {
1469	my ($self) = @_;	1983	my ($self) = @_;
1470		1984
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1985	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1986
1473	$self->{last_save} = $cf::RUNTIME;	1987	$self->{last_save} = $cf::RUNTIME;
1474		1988
1475	return unless $self->dirty;	1989	return unless $self->dirty;
1476		1990
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1991	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1992	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1993
1480	$self->{load_path} = $save;	1994	$self->{load_path} = $save;
1481		1995
1482	return if $self->{deny_save};	1996	return if $self->{deny_save};
1483		1997
…		…
1486	cf::async {	2000	cf::async {
1487	$_->contr->save for $self->players;	2001	$_->contr->save for $self->players;
1488	};	2002	};
1489		2003
1490	if ($uniq) {	2004	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2005	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	2006	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	2007	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2008	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	2009	}
1496	}	2010	}
1497		2011
1498	sub swap_out {	2012	sub swap_out {
1499	my ($self) = @_;	2013	my ($self) = @_;
…		…
1513		2027
1514	sub reset_at {	2028	sub reset_at {
1515	my ($self) = @_;	2029	my ($self) = @_;
1516		2030
1517	# TODO: safety, remove and allow resettable per-player maps	2031	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};
1519	return 1e99 if $self->{deny_reset};	2032	return 1e99 if $self->{deny_reset};
1520		2033
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2034	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2035	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		2036
…		…
1528	my ($self) = @_;	2041	my ($self) = @_;
1529		2042
1530	$self->reset_at <= $cf::RUNTIME	2043	$self->reset_at <= $cf::RUNTIME
1531	}	2044	}
1532		2045
1533	sub unlink_save {
1534	my ($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	$self->save;
1552	}
1553
1554	sub reset {	2046	sub reset {
1555	my ($self) = @_;	2047	my ($self) = @_;
1556		2048
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	2049	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		2050
1559	return if $self->players;	2051	return if $self->players;
1560	return if $self->{path}{user_rel};#d#
1561		2052
1562	warn "resetting map ", $self->path;#d#	2053	warn "resetting map ", $self->path;
		2054
		2055	$self->in_memory (cf::MAP_SWAPPED);
		2056
		2057	# need to save uniques path
		2058	unless ($self->{deny_save}) {
		2059	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2060
		2061	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2062	if $uniq;
		2063	}
1563		2064
1564	delete $cf::MAP{$self->path};	2065	delete $cf::MAP{$self->path};
		2066
		2067	$self->clear;
1565		2068
1566	$_->clear_links_to ($self) for values %cf::MAP;	2069	$_->clear_links_to ($self) for values %cf::MAP;
1567		2070
1568	$self->unlink_save;	2071	$self->unlink_save;
1569	$self->destroy;	2072	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	2075	my $nuke_counter = "aaaa";
1573		2076
1574	sub nuke {	2077	sub nuke {
1575	my ($self) = @_;	2078	my ($self) = @_;
1576		2079
		2080	delete $cf::MAP{$self->path};
		2081
		2082	$self->unlink_save;
		2083
		2084	bless $self, "cf::map";
		2085	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	2086	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	2087	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	2088	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2089
		2090	$cf::MAP{$self->path} = $self;
		2091
1580	$self->reset; # polite request, might not happen	2092	$self->reset; # polite request, might not happen
1581	}	2093	}
1582		2094
1583	sub customise_for {	2095	=item $maps = cf::map::tmp_maps
1584	my ($map, $ob) = @_;
1585		2096
1586	if ($map->per_player) {	2097	Returns an arrayref with all map paths of currently instantiated and saved
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2098	maps. May block.
		2099
		2100	=cut
		2101
		2102	sub tmp_maps() {
1588	}	2103	[
1589		2104	map {
1590	$map	2105	utf8::decode $_;
		2106	/\.map$/
		2107	? normalise $_
		2108	: ()
		2109	} @{ aio_readdir $TMPDIR or [] }
		2110	]
1591	}	2111	}
1592		2112
1593	sub emergency_save {	2113	=item $maps = cf::map::random_maps
1594	my $freeze_guard = cf::freeze_mainloop;
1595		2114
1596	warn "enter emergency perl save\n";	2115	Returns an arrayref with all map paths of currently instantiated and saved
		2116	random maps. May block.
1597		2117
1598	cf::sync_job {	2118	=cut
1599	warn "begin emergency player save\n";
1600	$_->save for values %cf::PLAYER;
1601	warn "end emergency player save\n";
1602		2119
1603	warn "begin emergency map save\n";	2120	sub random_maps() {
1604	$_->save for values %cf::MAP;	2121	[
1605	warn "end emergency map save\n";	2122	map {
1606	};	2123	utf8::decode $_;
		2124	/\.map$/
		2125	? normalise "?random/$_"
		2126	: ()
		2127	} @{ aio_readdir $RANDOMDIR or [] }
		2128	]
		2129	}
1607		2130
1608	warn "leave emergency perl save\n";	2131	=item cf::map::unique_maps
		2132
		2133	Returns an arrayref of paths of all shared maps that have
		2134	instantiated unique items. May block.
		2135
		2136	=cut
		2137
		2138	sub unique_maps() {
		2139	[
		2140	map {
		2141	utf8::decode $_;
		2142	/\.map$/
		2143	? normalise $_
		2144	: ()
		2145	} @{ aio_readdir $UNIQUEDIR or [] }
		2146	]
1609	}	2147	}
1610		2148
1611	package cf;	2149	package cf;
1612		2150
1613	=back	2151	=back
1614		2152
		2153	=head3 cf::object
		2154
		2155	=cut
		2156
		2157	package cf::object;
		2158
		2159	=over 4
		2160
		2161	=item $ob->inv_recursive
		2162
		2163	Returns the inventory of the object _and_ their inventories, recursively.
		2164
		2165	=cut
		2166
		2167	sub inv_recursive_;
		2168	sub inv_recursive_ {
		2169	map { $_, inv_recursive_ $_->inv } @_
		2170	}
		2171
		2172	sub inv_recursive {
		2173	inv_recursive_ inv $_[0]
		2174	}
		2175
		2176	package cf;
		2177
		2178	=back
1615		2179
1616	=head3 cf::object::player	2180	=head3 cf::object::player
1617		2181
1618	=over 4	2182	=over 4
1619		2183
…		…
1633		2197
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2198	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2199
1636	if ($self->{record_replies}) {	2200	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2201	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2202
1638	} else {	2203	} else {
		2204	my $pl = $self->contr;
		2205
		2206	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2207	my $dialog = $pl->{npc_dialog};
		2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2209
		2210	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2211	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2212	$self->message ($msg, $flags);
		2213	}
1641	}	2214	}
		2215	}
		2216
		2217	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2218
		2219	=cut
		2220
		2221	sub cf::object::send_msg {
		2222	my $pl = shift->contr
		2223	or return;
		2224	$pl->send_msg (@_);
1642	}	2225	}
1643		2226
1644	=item $player_object->may ("access")	2227	=item $player_object->may ("access")
1645		2228
1646	Returns wether the given player is authorized to access resource "access"	2229	Returns wether the given player is authorized to access resource "access"
…		…
1659		2242
1660	=item $player_object->enter_link	2243	=item $player_object->enter_link
1661		2244
1662	Freezes the player and moves him/her to a special map (C<{link}>).	2245	Freezes the player and moves him/her to a special map (C<{link}>).
1663		2246
1664	The player should be reaosnably safe there for short amounts of time. You	2247	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.	2248	I<MUST> call C<leave_link> as soon as possible, though.
1666		2249
		2250	Will never block.
		2251
1667	=item $player_object->leave_link ($map, $x, $y)	2252	=item $player_object->leave_link ($map, $x, $y)
1668		2253
1669	Moves the player out of the specila link map onto the given map. If the	2254	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	2255	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	2256	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	2257	fails, to the emergency map position.
1673		2258
1674	Might block.	2259	Might block.
1675		2260
1676	=cut	2261	=cut
		2262
		2263	sub link_map {
		2264	unless ($LINK_MAP) {
		2265	$LINK_MAP = cf::map::find "{link}"
		2266	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2267	$LINK_MAP->load;
		2268	}
		2269
		2270	$LINK_MAP
		2271	}
1677		2272
1678	sub cf::object::player::enter_link {	2273	sub cf::object::player::enter_link {
1679	my ($self) = @_;	2274	my ($self) = @_;
1680		2275
1681	$self->deactivate_recursive;	2276	$self->deactivate_recursive;
1682		2277
1683	return if $self->map == $LINK_MAP;	2278	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		2279
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	2281	if $self->map && $self->map->{path} ne "{link}";
1687		2282
1688	$self->enter_map ($LINK_MAP, 20, 20);	2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	2284	}
1690		2285
1691	sub cf::object::player::leave_link {	2286	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	2287	my ($self, $map, $x, $y) = @_;
		2288
		2289	return unless $self->contr->active;
1693		2290
1694	my $link_pos = delete $self->{_link_pos};	2291	my $link_pos = delete $self->{_link_pos};
1695		2292
1696	unless ($map) {	2293	unless ($map) {
1697	# restore original map position	2294	# restore original map position
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	2308	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	2309	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	2310	if $x <=0 && $y <= 0;
1714		2311
1715	$map->load;	2312	$map->load;
		2313	$map->load_neighbours;
1716		2314
1717	return unless $self->contr->active;	2315	return unless $self->contr->active;
1718	$self->activate_recursive;	2316	$self->activate_recursive;
		2317
		2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	2319	$self->enter_map ($map, $x, $y);
1720	}	2320	}
1721		2321
1722	cf::player->attach (	2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1723	on_logout => sub {
1724	my ($pl) = @_;
1725		2323
1726	# abort map switching before logout	2324	Moves the player to the given map-path and coordinates by first freezing
1727	if ($pl->ob->{_link_pos}) {	2325	her, loading and preparing them map, calling the provided $check callback
1728	cf::sync_job {	2326	that has to return the map if sucecssful, and then unfreezes the player on
1729	$pl->ob->leave_link	2327	the new (success) or old (failed) map position. In either case, $done will
1730	};	2328	be called at the end of this process.
1731	}
1732	},
1733	on_login => sub {
1734	my ($pl) = @_;
1735		2329
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	2330	=cut
		2331
		2332	our $GOTOGEN;
1757		2333
1758	sub cf::object::player::goto {	2334	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	2335	my ($self, $path, $x, $y, $check, $done) = @_;
1760		2336
1761	$path = new cf::path $path;	2337	# do generation counting so two concurrent goto's will be executed in-order
1762	$path ne "/" or Carp::cluck ("oy");#d#	2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1763		2339
1764	$self->enter_link;	2340	$self->enter_link;
1765		2341
1766	(async {	2342	(async {
		2343	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	2344	my $map = cf::map::find $path;
		2345
		2346	if ($map) {
1768	$map = $map->customise_for ($self) if $map;	2347	$map = $map->customise_for ($self);
1769		2348	$map = $check->($map) if $check && $map;
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	2349	} else {
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2350	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2351	}
1774		2352
		2353	$map
		2354	};
		2355
		2356	if ($@) {
		2357	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	LOG llevError | logBacktrace, Carp::longmess $@;
		2359	}
		2360
		2361	if ($gen == $self->{_goto_generation}) {
		2362	delete $self->{_goto_generation};
1775	$self->leave_link ($map, $x, $y);	2363	$self->leave_link ($map, $x, $y);
		2364	}
		2365
		2366	$done->() if $done;
1776	})->prio (1);	2367	})->prio (1);
1777	}	2368	}
1778		2369
1779	=item $player_object->enter_exit ($exit_object)	2370	=item $player_object->enter_exit ($exit_object)
1780		2371
…		…
1782		2373
1783	sub parse_random_map_params {	2374	sub parse_random_map_params {
1784	my ($spec) = @_;	2375	my ($spec) = @_;
1785		2376
1786	my $rmp = { # defaults	2377	my $rmp = { # defaults
1787	xsize => 10,	2378	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	2379	ysize => (cf::rndm 15, 40),
		2380	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2381	#layout => string,
1789	};	2382	};
1790		2383
1791	for (split /\n/, $spec) {	2384	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	2385	my ($k, $v) = split /\s+/, $_, 2;
1793		2386
…		…
1797	$rmp	2390	$rmp
1798	}	2391	}
1799		2392
1800	sub prepare_random_map {	2393	sub prepare_random_map {
1801	my ($exit) = @_;	2394	my ($exit) = @_;
		2395
		2396	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		2397
1803	# all this does is basically replace the /! path by	2398	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	2399	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	2400	# that depends on the exit object
1806		2401
1807	my $rmp = parse_random_map_params $exit->msg;	2402	my $rmp = parse_random_map_params $exit->msg;
1808		2403
1809	if ($exit->map) {	2404	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2405	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2406	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2407	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2408	$rmp->{origin_y} = $exit->y;
1814	}	2409	}
1815		2410
1816	$rmp->{random_seed} ||= $exit->random_seed;	2411	$rmp->{random_seed} ||= $exit->random_seed;
1817		2412
1818	my $data = cf::to_json $rmp;	2413	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	2414	my $md5 = Digest::MD5::md5_hex $data;
		2415	my $meta = "$RANDOMDIR/$md5.meta";
1820		2416
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	2418	aio_write $fh, 0, (length $data), $data, 0;
		2419	undef $fh;
		2420	aio_rename "$meta~", $meta;
1823		2421
1824	$exit->slaying ("?random/$md5");	2422	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2423	$exit->msg (undef);
1826	}	2424	}
1827	}	2425	}
…		…
1829	sub cf::object::player::enter_exit {	2427	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2428	my ($self, $exit) = @_;
1831		2429
1832	return unless $self->type == cf::PLAYER;	2430	return unless $self->type == cf::PLAYER;
1833		2431
		2432	if ($exit->slaying eq "/!") {
		2433	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2434	# the problem is that $exit might not survive long enough
		2435	# so it needs to be done right now, right here
		2436	cf::sync_job { prepare_random_map $exit };
		2437	}
		2438
		2439	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2440	my $hp = $exit->stats->hp;
		2441	my $sp = $exit->stats->sp;
		2442
1834	$self->enter_link;	2443	$self->enter_link;
		2444
		2445	# if exit is damned, update players death & WoR home-position
		2446	$self->contr->savebed ($slaying, $hp, $sp)
		2447	if $exit->flag (FLAG_DAMNED);
1835		2448
1836	(async {	2449	(async {
1837	$self->deactivate_recursive; # just to be sure	2450	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	2451	unless (eval {
1839	prepare_random_map $exit	2452	$self->goto ($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		2453
1845	1;	2454	1;
1846	}) {	2455	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2456	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	2457	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2458	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2459	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2460
1852	warn "ERROR in enter_exit: $@";	2461	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2462	$self->leave_link;
1854	}	2463	}
1855	})->prio (1);	2464	})->prio (1);
…		…
1868		2477
1869	sub cf::client::send_drawinfo {	2478	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2479	my ($self, $text, $flags) = @_;
1871		2480
1872	utf8::encode $text;	2481	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2483	}
1875		2484
		2485	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2486
		2487	Send a drawinfo or msg packet to the client, formatting the msg for the
		2488	client if neccessary. C<$type> should be a string identifying the type of
		2489	the message, with C<log> being the default. If C<$color> is negative, suppress
		2490	the message unless the client supports the msg packet.
		2491
		2492	=cut
		2493
		2494	sub cf::client::send_msg {
		2495	my ($self, $channel, $msg, $color, @extra) = @_;
		2496
		2497	$msg = $self->pl->expand_cfpod ($msg);
		2498
		2499	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2500
		2501	if (ref $channel) {
		2502	# send meta info to client, if not yet sent
		2503	unless (exists $self->{channel}{$channel->{id}}) {
		2504	$self->{channel}{$channel->{id}} = $channel;
		2505	$self->ext_msg (channel_info => $channel);
		2506	}
		2507
		2508	$channel = $channel->{id};
		2509	}
		2510
		2511	return unless @extra || length $msg;
		2512
		2513	if ($self->can_msg) {
		2514	# default colour, mask it out
		2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2516	if $color & cf::NDI_DEF;
		2517
		2518	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2520	} else {
		2521	if ($color >= 0) {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	$color &= cf::NDI_COLOR_MASK;
		2533
		2534	utf8::encode $msg;
		2535
		2536	if (0 && $msg =~ /\[/) {
		2537	# COMMAND/INFO
		2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2539	} else {
		2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2541	$self->send_packet ("drawinfo $color $msg")
		2542	}
		2543	}
		2544	}
		2545	}
		2546
		2547	=item $client->ext_msg ($type, @msg)
		2548
		2549	Sends an ext event to the client.
		2550
		2551	=cut
		2552
		2553	sub cf::client::ext_msg($$@) {
		2554	my ($self, $type, @msg) = @_;
		2555
		2556	my $extcmd = $self->extcmd;
		2557
		2558	if ($extcmd == 2) {
		2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2560	} elsif ($extcmd == 1) { # TODO: remove
		2561	push @msg, msgtype => "event_$type";
		2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2563	}
		2564	}
		2565
		2566	=item $client->ext_reply ($msgid, @msg)
		2567
		2568	Sends an ext reply to the client.
		2569
		2570	=cut
		2571
		2572	sub cf::client::ext_reply($$@) {
		2573	my ($self, $id, @msg) = @_;
		2574
		2575	if ($self->extcmd == 2) {
		2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2577	} elsif ($self->ns->extcmd == 1) {
		2578	#TODO: version 1, remove
		2579	unshift @msg, msgtype => "reply", msgid => $id;
		2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2581	}
		2582	}
1876		2583
1877	=item $success = $client->query ($flags, "text", \&cb)	2584	=item $success = $client->query ($flags, "text", \&cb)
1878		2585
1879	Queues a query to the client, calling the given callback with	2586	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>,	2587	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>.	2588	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1882		2589
1883	Queries can fail, so check the return code. Or don't, as queries will become	2590	Queries can fail, so check the return code. Or don't, as queries will
1884	reliable at some point in the future.	2591	become reliable at some point in the future.
1885		2592
1886	=cut	2593	=cut
1887		2594
1888	sub cf::client::query {	2595	sub cf::client::query {
1889	my ($self, $flags, $text, $cb) = @_;	2596	my ($self, $flags, $text, $cb) = @_;
…		…
1897	utf8::encode $text;	2604	utf8::encode $text;
1898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2605	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1899		2606
1900	$self->send_packet ($self->{query_queue}[0][0])	2607	$self->send_packet ($self->{query_queue}[0][0])
1901	if @{ $self->{query_queue} } == 1;	2608	if @{ $self->{query_queue} } == 1;
		2609
		2610	1
1902	}	2611	}
1903		2612
1904	cf::client->attach (	2613	cf::client->attach (
		2614	on_connect => sub {
		2615	my ($ns) = @_;
		2616
		2617	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2618	},
1905	on_reply => sub {	2619	on_reply => sub {
1906	my ($ns, $msg) = @_;	2620	my ($ns, $msg) = @_;
1907		2621
1908	# this weird shuffling is so that direct followup queries	2622	# this weird shuffling is so that direct followup queries
1909	# get handled first	2623	# get handled first
1910	my $queue = delete $ns->{query_queue}	2624	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2625	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2626
1913	(shift @$queue)->[1]->($msg);	2627	(shift @$queue)->[1]->($msg);
		2628	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2629
1915	push @{ $ns->{query_queue} }, @$queue;	2630	push @{ $ns->{query_queue} }, @$queue;
1916		2631
1917	if (@{ $ns->{query_queue} } == @$queue) {	2632	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2633	if (@$queue) {
…		…
1920	} else {	2635	} else {
1921	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2636	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1922	}	2637	}
1923	}	2638	}
1924	},	2639	},
		2640	on_exticmd => sub {
		2641	my ($ns, $buf) = @_;
		2642
		2643	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2644
		2645	if (ref $msg) {
		2646	my ($type, $reply, @payload) =
		2647	"ARRAY" eq ref $msg
		2648	? @$msg
		2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2650
		2651	if (my $cb = $EXTICMD{$type}) {
		2652	my @reply = $cb->($ns, @payload);
		2653
		2654	$ns->ext_reply ($reply, @reply)
		2655	if $reply;
		2656	}
		2657	} else {
		2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2659	}
		2660
		2661	cf::override;
		2662	},
1925	);	2663	);
1926		2664
1927	=item $client->async (\&cb)	2665	=item $client->async (\&cb)
1928		2666
1929	Create a new coroutine, running the specified callback. The coroutine will	2667	Create a new coroutine, running the specified callback. The coroutine will
…		…
1970	our $safe = new Safe "safe";	2708	our $safe = new Safe "safe";
1971	our $safe_hole = new Safe::Hole;	2709	our $safe_hole = new Safe::Hole;
1972		2710
1973	$SIG{FPE} = 'IGNORE';	2711	$SIG{FPE} = 'IGNORE';
1974		2712
1975	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2713	$safe->permit_only (Opcode::opset qw(
		2714	:base_core :base_mem :base_orig :base_math
		2715	grepstart grepwhile mapstart mapwhile
		2716	sort time
		2717	));
1976		2718
1977	# here we export the classes and methods available to script code	2719	# here we export the classes and methods available to script code
1978		2720
1979	=pod	2721	=pod
1980		2722
1981	The following fucntions and emthods are available within a safe environment:	2723	The following functions and methods are available within a safe environment:
1982		2724
1983	cf::object contr pay_amount pay_player map	2725	cf::object
		2726	contr pay_amount pay_player map x y force_find force_add
		2727	insert remove name archname title slaying race
		2728
1984	cf::object::player player	2729	cf::object::player
1985	cf::player peaceful	2730	player
1986	cf::map trigger	2731
		2732	cf::player
		2733	peaceful
		2734
		2735	cf::map
		2736	trigger
1987		2737
1988	=cut	2738	=cut
1989		2739
1990	for (	2740	for (
1991	["cf::object" => qw(contr pay_amount pay_player map)],	2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2742	insert remove inv name archname title slaying race)],
1992	["cf::object::player" => qw(player)],	2743	["cf::object::player" => qw(player)],
1993	["cf::player" => qw(peaceful)],	2744	["cf::player" => qw(peaceful)],
1994	["cf::map" => qw(trigger)],	2745	["cf::map" => qw(trigger)],
1995	) {	2746	) {
1996	no strict 'refs';	2747	no strict 'refs';
…		…
2067	=back	2818	=back
2068		2819
2069	=cut	2820	=cut
2070		2821
2071	#############################################################################	2822	#############################################################################
		2823	# the server's init and main functions
2072		2824
2073	=head2 EXTENSION DATABASE SUPPORT	2825	sub load_facedata($) {
		2826	my ($path) = @_;
2074		2827
2075	Crossfire maintains a very simple database for extension use. It can	2828	my $enc = JSON::XS->new->utf8->canonical;
2076	currently store anything that can be serialised using Storable, which
2077	excludes objects.
2078		2829
2079	The parameter C<$family> should best start with the name of the extension	2830	warn "loading facedata from $path\n";
2080	using it, it should be unique.
2081		2831
2082	=over 4	2832	my $facedata;
		2833	0 < aio_load $path, $facedata
		2834	or die "$path: $!";
2083		2835
2084	=item $hashref = cf::db_get $family	2836	$facedata = Coro::Storable::thaw $facedata;
2085		2837
2086	Return a hashref for use by the extension C<$family>, which can be	2838	$facedata->{version} == 2
2087	modified. After modifications, you have to call C<cf::db_dirty> or	2839	or cf::cleanup "$path: version mismatch, cannot proceed.";
2088	C<cf::db_sync>.
2089		2840
2090	=item $value = cf::db_get $family => $key	2841	# patch in the exptable
2091		2842	$facedata->{resource}{"res/exp_table"} = {
2092	Returns a single value from the database	2843	type => FT_RSRC,
2093		2844	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),
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	}
2122
2123	my $pid;
2124
2125	sub db_save() {
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	});	2845	};
		2846	cf::cede_to_tick;
2145		2847
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}	2848	{
		2849	my $faces = $facedata->{faceinfo};
2150		2850
2151	sub db_get($;$) {	2851	while (my ($face, $info) = each %$faces) {
2152	@_ >= 2	2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2153	? $DB->{$_[0]}{$_[1]}	2853	cf::face::set_visibility $idx, $info->{visibility};
2154	: ($DB->{$_[0]} ||= { })	2854	cf::face::set_magicmap $idx, $info->{magicmap};
2155	}	2855	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2856	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2156		2857
2157	sub db_put($$;$) {	2858	cf::cede_to_tick;
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	},	2859	}
2171	);
2172	}
2173		2860
2174	#############################################################################	2861	while (my ($face, $info) = each %$faces) {
2175	# the server's main()	2862	next unless $info->{smooth};
		2863	my $idx = cf::face::find $face
		2864	or next;
		2865	if (my $smooth = cf::face::find $info->{smooth}) {
		2866	cf::face::set_smooth $idx, $smooth;
		2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2868	} else {
		2869	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2870	}
		2871
		2872	cf::cede_to_tick;
		2873	}
		2874	}
		2875
		2876	{
		2877	my $anims = $facedata->{animinfo};
		2878
		2879	while (my ($anim, $info) = each %$anims) {
		2880	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2881	cf::cede_to_tick;
		2882	}
		2883
		2884	cf::anim::invalidate_all; # d'oh
		2885	}
		2886
		2887	{
		2888	# TODO: for gcfclient pleasure, we should give resources
		2889	# that gcfclient doesn't grok a >10000 face index.
		2890	my $res = $facedata->{resource};
		2891
		2892	my $soundconf = delete $res->{"res/sound.conf"};
		2893
		2894	while (my ($name, $info) = each %$res) {
		2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2896	my $data;
		2897
		2898	if ($info->{type} & 1) {
		2899	# prepend meta info
		2900
		2901	my $meta = $enc->encode ({
		2902	name => $name,
		2903	%{ $info->{meta} || {} },
		2904	});
		2905
		2906	$data = pack "(w/a*)*", $meta, $info->{data};
		2907	}
		2908
		2909	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2910	cf::face::set_type $idx, $info->{type};
		2911
		2912	cf::cede_to_tick;
		2913	}
		2914
		2915	if ($soundconf) {
		2916	$soundconf = $enc->decode (delete $soundconf->{data});
		2917
		2918	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2919	my $sound = $soundconf->{compat}[$_]
		2920	or next;
		2921
		2922	my $face = cf::face::find "sound/$sound->[1]";
		2923	cf::sound::set $sound->[0] => $face;
		2924	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2925	}
		2926
		2927	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2928	my $face = cf::face::find "sound/$v";
		2929	cf::sound::set $k => $face;
		2930	}
		2931	}
		2932	}
		2933
		2934	1
		2935	}
		2936
		2937	register_exticmd fx_want => sub {
		2938	my ($ns, $want) = @_;
		2939
		2940	while (my ($k, $v) = each %$want) {
		2941	$ns->fx_want ($k, $v);
		2942	}
		2943	};
		2944
		2945	sub reload_regions {
		2946	load_resource_file "$MAPDIR/regions"
		2947	or die "unable to load regions file\n";
		2948
		2949	for (cf::region::list) {
		2950	$_->{match} = qr/$_->{match}/
		2951	if exists $_->{match};
		2952	}
		2953	}
		2954
		2955	sub reload_facedata {
		2956	load_facedata "$DATADIR/facedata"
		2957	or die "unable to load facedata\n";
		2958	}
		2959
		2960	sub reload_archetypes {
		2961	load_resource_file "$DATADIR/archetypes"
		2962	or die "unable to load archetypes\n";
		2963	#d# NEED to laod twice to resolve forward references
		2964	# this really needs to be done in an extra post-pass
		2965	# (which needs to be synchronous, so solve it differently)
		2966	load_resource_file "$DATADIR/archetypes"
		2967	or die "unable to load archetypes\n";
		2968	}
		2969
		2970	sub reload_treasures {
		2971	load_resource_file "$DATADIR/treasures"
		2972	or die "unable to load treasurelists\n";
		2973	}
		2974
		2975	sub reload_resources {
		2976	warn "reloading resource files...\n";
		2977
		2978	reload_regions;
		2979	reload_facedata;
		2980	#reload_archetypes;#d#
		2981	reload_archetypes;
		2982	reload_treasures;
		2983
		2984	warn "finished reloading resource files\n";
		2985	}
		2986
		2987	sub init {
		2988	reload_resources;
		2989	}
2176		2990
2177	sub cfg_load {	2991	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	2992	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	2993	or return;
2180		2994
2181	local $/;	2995	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	2996	*CFG = YAML::Syck::Load <$fh>;
2183		2997
…		…
2197		3011
2198	sub main {	3012	sub main {
2199	# we must not ever block the main coroutine	3013	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	3014	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3015	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3016	(async {
2202	async { Event::one_event };	3017	Event::one_event;
		3018	})->prio (Coro::PRIO_MAX);
2203	};	3019	};
2204		3020
2205	cfg_load;	3021	cfg_load;
2206	db_load;	3022	db_init;
2207	load_extensions;	3023	load_extensions;
		3024
		3025	$TICK_WATCHER->start;
2208	Event::loop;	3026	Event::loop;
2209	}	3027	}
2210		3028
2211	#############################################################################	3029	#############################################################################
2212	# initialisation	3030	# initialisation and cleanup
2213		3031
		3032	# install some emergency cleanup handlers
		3033	BEGIN {
		3034	for my $signal (qw(INT HUP TERM)) {
		3035	Event->signal (
		3036	reentrant => 0,
		3037	data => WF_AUTOCANCEL,
		3038	signal => $signal,
		3039	prio => 0,
		3040	cb => sub {
		3041	cf::cleanup "SIG$signal";
		3042	},
		3043	);
		3044	}
		3045	}
		3046
		3047	sub write_runtime {
		3048	my $runtime = "$LOCALDIR/runtime";
		3049
		3050	# first touch the runtime file to show we are still running:
		3051	# the fsync below can take a very very long time.
		3052
		3053	IO::AIO::aio_utime $runtime, undef, undef;
		3054
		3055	my $guard = cf::lock_acquire "write_runtime";
		3056
		3057	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3058	or return;
		3059
		3060	my $value = $cf::RUNTIME + 90 + 10;
		3061	# 10 is the runtime save interval, for a monotonic clock
		3062	# 60 allows for the watchdog to kill the server.
		3063
		3064	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3065	and return;
		3066
		3067	# always fsync - this file is important
		3068	aio_fsync $fh
		3069	and return;
		3070
		3071	# touch it again to show we are up-to-date
		3072	aio_utime $fh, undef, undef;
		3073
		3074	close $fh
		3075	or return;
		3076
		3077	aio_rename "$runtime~", $runtime
		3078	and return;
		3079
		3080	warn "runtime file written.\n";
		3081
		3082	1
		3083	}
		3084
		3085	sub emergency_save() {
		3086	my $freeze_guard = cf::freeze_mainloop;
		3087
		3088	warn "enter emergency perl save\n";
		3089
		3090	cf::sync_job {
		3091	# use a peculiar iteration method to avoid tripping on perl
		3092	# refcount bugs in for. also avoids problems with players
		3093	# and maps saved/destroyed asynchronously.
		3094	warn "begin emergency player save\n";
		3095	for my $login (keys %cf::PLAYER) {
		3096	my $pl = $cf::PLAYER{$login} or next;
		3097	$pl->valid or next;
		3098	$pl->save;
		3099	}
		3100	warn "end emergency player save\n";
		3101
		3102	warn "begin emergency map save\n";
		3103	for my $path (keys %cf::MAP) {
		3104	my $map = $cf::MAP{$path} or next;
		3105	$map->valid or next;
		3106	$map->save;
		3107	}
		3108	warn "end emergency map save\n";
		3109
		3110	warn "begin emergency database checkpoint\n";
		3111	BDB::db_env_txn_checkpoint $DB_ENV;
		3112	warn "end emergency database checkpoint\n";
		3113	};
		3114
		3115	warn "leave emergency perl save\n";
		3116	}
		3117
		3118	sub post_cleanup {
		3119	my ($make_core) = @_;
		3120
		3121	warn Carp::longmess "post_cleanup backtrace"
		3122	if $make_core;
		3123	}
		3124
2214	sub reload() {	3125	sub do_reload_perl() {
2215	# can/must only be called in main	3126	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	3127	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	3128	warn "can only reload from main coroutine";
2218	return;	3129	return;
2219	}	3130	}
2220		3131
2221	warn "reloading...";	3132	warn "reloading...";
2222		3133
2223	my $guard = freeze_mainloop;	3134	warn "entering sync_job";
		3135
		3136	cf::sync_job {
		3137	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	3138	cf::emergency_save;
		3139	cf::write_runtime; # external watchdog should not bark
2225		3140
2226	eval {	3141	warn "syncing database to disk";
		3142	BDB::db_env_txn_checkpoint $DB_ENV;
		3143
2227	# if anything goes wrong in here, we should simply crash as we already saved	3144	# if anything goes wrong in here, we should simply crash as we already saved
2228		3145
2229	# cancel all watchers	3146	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	3147	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	3148	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	3149	}
2233		3150
		3151	warn "flushing outstanding aio requests";
		3152	for (;;) {
		3153	BDB::flush;
		3154	IO::AIO::flush;
		3155	Coro::cede;
		3156	last unless IO::AIO::nreqs || BDB::nreqs;
		3157	warn "iterate...";
		3158	}
		3159
		3160	++$RELOAD;
		3161
2234	# cancel all extension coros	3162	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	3163	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	3164	%EXT_CORO = ();
2237		3165
2238	# unload all extensions	3166	warn "removing commands";
2239	for (@exts) {	3167	%COMMAND = ();
		3168
		3169	warn "removing ext/exti commands";
		3170	%EXTCMD = ();
		3171	%EXTICMD = ();
		3172
		3173	warn "unloading/nuking all extensions";
		3174	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	3175	warn "... unloading $pkg";
2241	unload_extension $_;	3176
		3177	if (my $cb = $pkg->can ("unload")) {
		3178	eval {
		3179	$cb->($pkg);
		3180	1
		3181	} or warn "$pkg unloaded, but with errors: $@";
2242	}	3182	}
2243		3183
		3184	warn "... nuking $pkg";
		3185	Symbol::delete_package $pkg;
		3186	}
		3187
2244	# unload all modules loaded from $LIBDIR	3188	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	3189	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3190	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		3191
2248	warn "removing <$k>";	3192	warn "... unloading $k";
2249	delete $INC{$k};	3193	delete $INC{$k};
2250		3194
2251	$k =~ s/\.pm$//;	3195	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	3196	$k =~ s/\//::/g;
2253		3197
…		…
2256	}	3200	}
2257		3201
2258	Symbol::delete_package $k;	3202	Symbol::delete_package $k;
2259	}	3203	}
2260		3204
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	3205	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	3206	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3207	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		3208
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	3209	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	3210	delete $INC{"cf.pm"};
		3211	delete $INC{"cf/pod.pm"};
2274		3212
2275	# don't, removes xs symbols, too,	3213	# don't, removes xs symbols, too,
2276	# and global variables created in xs	3214	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	3215	#Symbol::delete_package __PACKAGE__;
2278		3216
2279	# reload cf.pm	3217	warn "unload completed, starting to reload now";
		3218
2280	warn "reloading cf.pm";	3219	warn "reloading cf.pm";
2281	require cf;	3220	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3221	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		3222
2284	# load config and database again	3223	warn "loading config and database again";
2285	cf::cfg_load;	3224	cf::cfg_load;
2286	cf::db_load;
2287		3225
2288	# load extensions
2289	warn "load extensions";	3226	warn "loading extensions";
2290	cf::load_extensions;	3227	cf::load_extensions;
2291		3228
2292	# reattach attachments to objects	3229	warn "reattaching attachments to objects/players";
2293	warn "reattach";	3230	_global_reattach; # objects, sockets
2294	_global_reattach;	3231	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	3232	reattach $_ for values %MAP;
2296	};	3233	warn "reattaching attachments to players";
		3234	reattach $_ for values %PLAYER;
2297		3235
2298	if ($@) {	3236	warn "leaving sync_job";
		3237
		3238	1
		3239	} or do {
2299	warn $@;	3240	warn $@;
2300	warn "error while reloading, exiting.";	3241	warn "error while reloading, exiting.";
2301	exit 1;	3242	exit 1;
2302	}	3243	};
2303		3244
2304	warn "reloaded successfully";	3245	warn "reloaded";
2305	};	3246	};
2306		3247
2307	#############################################################################	3248	our $RELOAD_WATCHER; # used only during reload
2308		3249
2309	unless ($LINK_MAP) {	3250	sub reload_perl() {
2310	$LINK_MAP = cf::map::new;	3251	# doing reload synchronously and two reloads happen back-to-back,
		3252	# coro crashes during coro_state_free->destroy here.
2311		3253
2312	$LINK_MAP->width (41);	3254	$RELOAD_WATCHER ||= Event->timer (
2313	$LINK_MAP->height (41);	3255	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,	3256	after => 0,
		3257	data => WF_AUTOCANCEL,
2322	cb => sub {	3258	cb => sub {
2323	$_[0]->w->cancel;	3259	do_reload_perl;
2324		3260	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	});	3261	},
2343		3262	);
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	3263	}
2349
2350	register "<global>", __PACKAGE__;
2351		3264
2352	register_command "reload" => sub {	3265	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	3266	my ($who, $arg) = @_;
2354		3267
2355	if ($who->flag (FLAG_WIZ)) {	3268	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	3269	$who->message ("reloading server.");
		3270	async { reload_perl };
2359	}	3271	}
2360	};	3272	};
2361		3273
2362	unshift @INC, $LIBDIR;	3274	unshift @INC, $LIBDIR;
2363		3275
		3276	my $bug_warning = 0;
		3277
		3278	our @WAIT_FOR_TICK;
		3279	our @WAIT_FOR_TICK_BEGIN;
		3280
		3281	sub wait_for_tick {
		3282	return unless $TICK_WATCHER->is_active;
		3283	return if $Coro::current == $Coro::main;
		3284
		3285	my $signal = new Coro::Signal;
		3286	push @WAIT_FOR_TICK, $signal;
		3287	$signal->wait;
		3288	}
		3289
		3290	sub wait_for_tick_begin {
		3291	return unless $TICK_WATCHER->is_active;
		3292	return if $Coro::current == $Coro::main;
		3293
		3294	my $signal = new Coro::Signal;
		3295	push @WAIT_FOR_TICK_BEGIN, $signal;
		3296	$signal->wait;
		3297	}
		3298
		3299	my $min = 1e6;#d#
		3300	my $avg = 10;
2364	$TICK_WATCHER = Event->timer (	3301	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	3302	reentrant => 0,
		3303	parked => 1,
2366	prio => 0,	3304	prio => 0,
2367	at => $NEXT_TICK || $TICK,	3305	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	3306	data => WF_AUTOCANCEL,
2369	cb => sub {	3307	cb => sub {
		3308	if ($Coro::current != $Coro::main) {
		3309	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3310	unless ++$bug_warning > 10;
		3311	return;
		3312	}
		3313
		3314	$NOW = $tick_start = Event::time;
		3315
2370	cf::server_tick; # one server iteration	3316	cf::server_tick; # one server iteration
		3317
		3318	0 && sync_job {#d#
		3319	for(1..10) {
		3320	my $t = Event::time;
		3321	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3322	or die;
		3323
		3324	$map->width (50);
		3325	$map->height (50);
		3326	$map->alloc;
		3327	$map->_load_objects ("/tmp/x.map", 1);
		3328	my $t = Event::time - $t;
		3329
		3330	#next unless $t < 0.0013;#d#
		3331	if ($t < $min) {
		3332	$min = $t;
		3333	}
		3334	$avg = $avg * 0.99 + $t * 0.01;
		3335	}
		3336	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3337	exit 0;
		3338	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3339	};
		3340
2371	$RUNTIME += $TICK;	3341	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	3342	$NEXT_TICK += $TICK;
2373		3343
		3344	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3345	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3346	Coro::async_pool {
		3347	write_runtime
		3348	or warn "ERROR: unable to write runtime file: $!";
		3349	};
		3350	}
		3351
		3352	# my $AFTER = Event::time;
		3353	# warn $AFTER - $NOW;#d#
		3354
		3355	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3356	$sig->send;
		3357	}
		3358	while (my $sig = shift @WAIT_FOR_TICK) {
		3359	$sig->send;
		3360	}
		3361
		3362	$NOW = Event::time;
		3363
2374	# if we are delayed by four ticks or more, skip them all	3364	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3365	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2376		3366
2377	$TICK_WATCHER->at ($NEXT_TICK);	3367	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	3368	$TICK_WATCHER->start;
		3369
		3370	$LOAD = ($NOW - $tick_start) / $TICK;
		3371	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3372
		3373	_post_tick;
		3374
		3375
2379	},	3376	},
2380	);	3377	);
2381		3378
		3379	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	3380	BDB::max_poll_time $TICK * 0.1;
2383		3381	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	3382	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	3383	fd => BDB::poll_fileno,
2386	poll => 'r',	3384	poll => 'r',
2387	prio => 5,	3385	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	3386	data => WF_AUTOCANCEL,
2394	after => 0,	3387	cb => \&BDB::poll_cb,
2395	interval => 10,	3388	);
2396	cb => sub {	3389	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	3390
2398	write_runtime	3391	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	3392	my $status;
		3393	my $current = $Coro::current;
		3394	(
		3395	sub {
		3396	$status = $!;
		3397	$current->ready; undef $current;
		3398	},
		3399	sub {
		3400	Coro::schedule while defined $current;
		3401	$! = $status;
		3402	},
		3403	)
		3404	};
		3405
		3406	unless ($DB_ENV) {
		3407	$DB_ENV = BDB::db_env_create;
		3408
		3409	cf::sync_job {
		3410	eval {
		3411	BDB::db_env_open
		3412	$DB_ENV,
		3413	$BDBDIR,
		3414	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3415	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3416	0666;
		3417
		3418	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3419
		3420	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3421	$DB_ENV->set_lk_detect;
		3422	};
		3423
		3424	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	3425	};
2401	},	3426	}
2402	);	3427	}
		3428
		3429	{
		3430	IO::AIO::min_parallel 8;
		3431
		3432	undef $Coro::AIO::WATCHER;
		3433	IO::AIO::max_poll_time $TICK * 0.1;
		3434	$AIO_POLL_WATCHER = Event->io (
		3435	reentrant => 0,
		3436	data => WF_AUTOCANCEL,
		3437	fd => IO::AIO::poll_fileno,
		3438	poll => 'r',
		3439	prio => 6,
		3440	cb => \&IO::AIO::poll_cb,
		3441	);
		3442	}
		3443
		3444	my $_log_backtrace;
		3445
		3446	sub _log_backtrace {
		3447	my ($msg, @addr) = @_;
		3448
		3449	$msg =~ s/\n//;
		3450
		3451	# limit the # of concurrent backtraces
		3452	if ($_log_backtrace < 2) {
		3453	++$_log_backtrace;
		3454	async {
		3455	my @bt = fork_call {
		3456	@addr = map { sprintf "%x", $_ } @addr;
		3457	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3458	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3459	or die "addr2line: $!";
		3460
		3461	my @funcs;
		3462	my @res = <$fh>;
		3463	chomp for @res;
		3464	while (@res) {
		3465	my ($func, $line) = splice @res, 0, 2, ();
		3466	push @funcs, "[$func] $line";
		3467	}
		3468
		3469	@funcs
		3470	};
		3471
		3472	LOG llevInfo, "[ABT] $msg\n";
		3473	LOG llevInfo, "[ABT] $_\n" for @bt;
		3474	--$_log_backtrace;
		3475	};
		3476	} else {
		3477	LOG llevInfo, "[ABT] $msg\n";
		3478	LOG llevInfo, "[ABT] [suppressed]\n";
		3479	}
		3480	}
		3481
		3482	# load additional modules
		3483	use cf::pod;
2403		3484
2404	END { cf::emergency_save }	3485	END { cf::emergency_save }
2405		3486
2406	1	3487	1
2407		3488

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