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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 1.338 by root, Tue Aug 21 01:07:47 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
		1154	my @reply;
		1155
960	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
961	if (my %reply = $cb->[0]->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
962	$pl->ext_reply ($msg->{msgid}, %reply);
963	}
964	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
965	} else {	1163	} else {
966	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
967	}	1165	}
968		1166
969	cf::override;	1167	cf::override;
970	},	1168	},
971	);	1169	);
972		1170
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 {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
1050	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
1051	next unless -r $ext;	1176	next unless -r $path;
1052	eval {	1177
1053	load_extension $ext;	1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
1054	1	1235	}
1055	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
1056	}	1241	};
1057	}	1242	}
1058		1243
1059	#############################################################################	1244	#############################################################################
1060	# load/save/clean perl data associated with a map
1061		1245
1062	*cf::mapsupport::on_clean = sub {	1246	=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		1247
1097	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
1098		1249
1099	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
1100		1251
…		…
1113	Returns the given player object, loading it if necessary (might block).	1264	Returns the given player object, loading it if necessary (might block).
1114		1265
1115	=cut	1266	=cut
1116		1267
1117	sub playerdir($) {	1268	sub playerdir($) {
1118	cf::localdir	1269	"$PLAYERDIR/"
1119	. "/"
1120	. cf::playerdir
1121	. "/"
1122	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1123	}	1271	}
1124		1272
1125	sub path($) {	1273	sub path($) {
1126	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1127		1275
1128	(playerdir $login) . "/$login.pl"	1276	(playerdir $login) . "/playerdata"
1129	}	1277	}
1130		1278
1131	sub find_active($) {	1279	sub find_active($) {
1132	$cf::PLAYER{$_[0]}	1280	$cf::PLAYER{$_[0]}
1133	and $cf::PLAYER{$_[0]}->active	1281	and $cf::PLAYER{$_[0]}->active
…		…
1136		1284
1137	sub exists($) {	1285	sub exists($) {
1138	my ($login) = @_;	1286	my ($login) = @_;
1139		1287
1140	$cf::PLAYER{$login}	1288	$cf::PLAYER{$login}
1141	or cf::sync_job { !aio_stat $login }	1289	or cf::sync_job { !aio_stat path $login }
1142	}	1290	}
1143		1291
1144	sub find($) {	1292	sub find($) {
1145	return $cf::PLAYER{$_[0]} || do {	1293	return $cf::PLAYER{$_[0]} || do {
1146	my $login = $_[0];	1294	my $login = $_[0];
1147		1295
1148	my $guard = cf::lock_acquire "user_find:$login";	1296	my $guard = cf::lock_acquire "user_find:$login";
1149		1297
1150	$cf::PLAYER{$_[0]} || do {	1298	$cf::PLAYER{$_[0]} || do {
		1299	# rename old playerfiles to new ones
		1300	#TODO: remove when no longer required
		1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1304	aio_unlink +(playerdir $login) . "/$login.pl";
		1305
1151	my $pl = load_pl path $login	1306	my $pl = load_pl path $login
1152	or return;	1307	or return;
1153	$cf::PLAYER{$login} = $pl	1308	$cf::PLAYER{$login} = $pl
1154	}	1309	}
1155	}	1310	}
…		…
1183	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1184		1339
1185	$self	1340	$self
1186	}	1341	}
1187		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
		1351	}
		1352
1188	=item $pl->quit_character	1353	=item $pl->quit_character
1189		1354
1190	Nukes the player without looking back. If logged in, the connection will	1355	Nukes the player without looking back. If logged in, the connection will
1191	be destroyed. May block for a long time.	1356	be destroyed. May block for a long time.
1192		1357
1193	=cut	1358	=cut
1194		1359
1195	sub quit_character {	1360	sub quit_character {
1196	my ($pl) = @_;	1361	my ($pl) = @_;
		1362
		1363	my $name = $pl->ob->name;
1197		1364
1198	$pl->{deny_save} = 1;	1365	$pl->{deny_save} = 1;
1199	$pl->password ("*"); # this should lock out the player until we nuked the dir	1366	$pl->password ("*"); # this should lock out the player until we nuked the dir
1200		1367
1201	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1206	my $path = playerdir $pl;	1373	my $path = playerdir $pl;
1207	my $temp = "$path~$cf::RUNTIME~deleting~";	1374	my $temp = "$path~$cf::RUNTIME~deleting~";
1208	aio_rename $path, $temp;	1375	aio_rename $path, $temp;
1209	delete $cf::PLAYER{$pl->ob->name};	1376	delete $cf::PLAYER{$pl->ob->name};
1210	$pl->destroy;	1377	$pl->destroy;
		1378
		1379	my $prefix = qr<^~\Q$name\E/>;
		1380
		1381	# nuke player maps
		1382	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1383
1211	IO::AIO::aio_rmtree $temp;	1384	IO::AIO::aio_rmtree $temp;
		1385	}
		1386
		1387	=item $pl->kick
		1388
		1389	Kicks a player out of the game. This destroys the connection.
		1390
		1391	=cut
		1392
		1393	sub kick {
		1394	my ($pl, $kicker) = @_;
		1395
		1396	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1397	$pl->killer ("kicked");
		1398	$pl->ns->destroy;
1212	}	1399	}
1213		1400
1214	=item cf::player::list_logins	1401	=item cf::player::list_logins
1215		1402
1216	Returns am arrayref of all valid playernames in the system, can take a	1403	Returns am arrayref of all valid playernames in the system, can take a
1217	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1218		1405
1219	=cut	1406	=cut
1220		1407
1221	sub list_logins {	1408	sub list_logins {
1222	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1223	or return [];	1410	or return [];
1224		1411
1225	my @logins;	1412	my @logins;
1226		1413
1227	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
1228	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1415	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1229	aio_read $fh, 0, 512, my $buf, 0 or next;	1416	aio_read $fh, 0, 512, my $buf, 0 or next;
1230	$buf !~ /^password -------------$/ or next; # official not-valid tag	1417	$buf !~ /^password -------------$/m or next; # official not-valid tag
1231		1418
1232	utf8::decode $login;	1419	utf8::decode $login;
1233	push @logins, $login;	1420	push @logins, $login;
1234	}	1421	}
1235		1422
1236	\@logins	1423	\@logins
1237	}	1424	}
1238		1425
1239	=item $player->maps	1426	=item $player->maps
1240		1427
1241	Returns an arrayref of cf::path's of all maps that are private for this	1428	Returns an arrayref of map paths that are private for this
1242	player. May block.	1429	player. May block.
1243		1430
1244	=cut	1431	=cut
1245		1432
1246	sub maps($) {	1433	sub maps($) {
1247	my ($pl) = @_;	1434	my ($pl) = @_;
		1435
		1436	$pl = ref $pl ? $pl->ob->name : $pl;
1248		1437
1249	my $files = aio_readdir playerdir $pl	1438	my $files = aio_readdir playerdir $pl
1250	or return;	1439	or return;
1251		1440
1252	my @paths;	1441	my @paths;
1253		1442
1254	for (@$files) {	1443	for (@$files) {
1255	utf8::decode $_;	1444	utf8::decode $_;
1256	next if /\.(?:pl|pst)$/;	1445	next if /\.(?:pl|pst)$/;
1257	next unless /^$PATH_SEP/;	1446	next unless /^$PATH_SEP/o;
1258		1447
1259	s/$PATH_SEP/\//g;	1448	push @paths, cf::map::normalise "~$pl/$_";
1260	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1261	}	1449	}
1262		1450
1263	\@paths	1451	\@paths
1264	}	1452	}
1265		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
1266	=item $player->ext_reply ($msgid, $msgtype, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1267		1505
1268	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1269		1507
1270	=cut	1508	=cut
1271		1509
1272	sub ext_reply($$$%) {	1510	sub ext_reply($$@) {
1273	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1274		1512
1275	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1276
1277	$self->send ("ext " . cf::to_json \%msg);
1278	}	1514	}
1279		1515
1280	package cf;	1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		1523	my ($self, $type, @msg) = @_;
		1524
		1525	$self->ns->ext_msg ($type, @msg);
		1526	}
		1527
		1528	=head3 cf::region
		1529
		1530	=over 4
		1531
		1532	=cut
		1533
		1534	package cf::region;
		1535
		1536	=item cf::region::find_by_path $path
		1537
		1538	Tries to decuce the likely region for a map knowing only its path.
		1539
		1540	=cut
		1541
		1542	sub find_by_path($) {
		1543	my ($path) = @_;
		1544
		1545	my ($match, $specificity);
		1546
		1547	for my $region (list) {
		1548	if ($region->{match} && $path =~ $region->{match}) {
		1549	($match, $specificity) = ($region, $region->specificity)
		1550	if $region->specificity > $specificity;
		1551	}
		1552	}
		1553
		1554	$match
		1555	}
1281		1556
1282	=back	1557	=back
1283
1284		1558
1285	=head3 cf::map	1559	=head3 cf::map
1286		1560
1287	=over 4	1561	=over 4
1288		1562
…		…
1291	package cf::map;	1565	package cf::map;
1292		1566
1293	use Fcntl;	1567	use Fcntl;
1294	use Coro::AIO;	1568	use Coro::AIO;
1295		1569
		1570	use overload
		1571	'""' => \&as_string,
		1572	fallback => 1;
		1573
1296	our $MAX_RESET = 3600;	1574	our $MAX_RESET = 3600;
1297	our $DEFAULT_RESET = 3000;	1575	our $DEFAULT_RESET = 3000;
1298		1576
1299	sub generate_random_map {	1577	sub generate_random_map {
1300	my ($path, $rmp) = @_;	1578	my ($self, $rmp) = @_;
1301
1302	# mit "rum" bekleckern, nicht	1579	# mit "rum" bekleckern, nicht
1303	cf::map::_create_random_map	1580	$self->_create_random_map (
1304	$path,
1305	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1306	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1307	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1308	$rmp->{exit_on_final_map},	1584	$rmp->{exit_on_final_map},
1309	$rmp->{xsize}, $rmp->{ysize},	1585	$rmp->{xsize}, $rmp->{ysize},
1310	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1586	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1311	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1587	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1312	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1588	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1313	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1589	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1314	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1315	(cf::region::find $rmp->{region})	1591	(cf::region::find $rmp->{region}), $rmp->{custom}
		1592	)
		1593	}
		1594
		1595	=item cf::map->register ($regex, $prio)
		1596
		1597	Register a handler for the map path matching the given regex at the
		1598	givne priority (higher is better, built-in handlers have priority 0, the
		1599	default).
		1600
		1601	=cut
		1602
		1603	sub register {
		1604	my (undef, $regex, $prio) = @_;
		1605	my $pkg = caller;
		1606
		1607	no strict;
		1608	push @{"$pkg\::ISA"}, __PACKAGE__;
		1609
		1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1611	}
		1612
		1613	# also paths starting with '/'
		1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1615
		1616	sub thawer_merge {
		1617	my ($self, $merge) = @_;
		1618
		1619	# we have to keep some variables in memory intact
		1620	local $self->{path};
		1621	local $self->{load_path};
		1622
		1623	$self->SUPER::thawer_merge ($merge);
		1624	}
		1625
		1626	sub normalise {
		1627	my ($path, $base) = @_;
		1628
		1629	$path = "$path"; # make sure its a string
		1630
		1631	$path =~ s/\.map$//;
		1632
		1633	# map plan:
		1634	#
		1635	# /! non-realised random map exit (special hack!)
		1636	# {... are special paths that are not being touched
		1637	# ?xxx/... are special absolute paths
		1638	# ?random/... random maps
		1639	# /... normal maps
		1640	# ~user/... per-player map of a specific user
		1641
		1642	$path =~ s/$PATH_SEP/\//go;
		1643
		1644	# treat it as relative path if it starts with
		1645	# something that looks reasonable
		1646	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1647	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1648
		1649	$base =~ s{[^/]+/?$}{};
		1650	$path = "$base/$path";
		1651	}
		1652
		1653	for ($path) {
		1654	redo if s{//}{/};
		1655	redo if s{/\.?/}{/};
		1656	redo if s{/[^/]+/\.\./}{/};
		1657	}
		1658
		1659	$path
		1660	}
		1661
		1662	sub new_from_path {
		1663	my (undef, $path, $base) = @_;
		1664
		1665	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1666
		1667	$path = normalise $path, $base;
		1668
		1669	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1670	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1671	my $self = bless cf::map::new, $pkg;
		1672	$self->{path} = $path; $self->path ($path);
		1673	$self->init; # pass $1 etc.
		1674	return $self;
		1675	}
		1676	}
		1677
		1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1679	()
		1680	}
		1681
		1682	sub init {
		1683	my ($self) = @_;
		1684
		1685	$self
		1686	}
		1687
		1688	sub as_string {
		1689	my ($self) = @_;
		1690
		1691	"$self->{path}"
		1692	}
		1693
		1694	# the displayed name, this is a one way mapping
		1695	sub visible_name {
		1696	&as_string
		1697	}
		1698
		1699	# the original (read-only) location
		1700	sub load_path {
		1701	my ($self) = @_;
		1702
		1703	"$MAPDIR/$self->{path}.map"
		1704	}
		1705
		1706	# the temporary/swap location
		1707	sub save_path {
		1708	my ($self) = @_;
		1709
		1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1711	"$TMPDIR/$path.map"
		1712	}
		1713
		1714	# the unique path, undef == no special unique path
		1715	sub uniq_path {
		1716	my ($self) = @_;
		1717
		1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1719	"$UNIQUEDIR/$path"
1316	}	1720	}
1317		1721
1318	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1319	# all maps in C++...	1723	# all maps in C++...
1320	sub change_all_map_light {	1724	sub change_all_map_light {
…		…
1322		1726
1323	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1324	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
1325	}	1729	}
1326		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
		1737	}
		1738
		1739	sub unlink_save {
		1740	my ($self) = @_;
		1741
		1742	utf8::encode (my $save = $self->save_path);
		1743	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1744	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1745	}
		1746
1327	sub try_load_header($) {	1747	sub load_header_from($) {
1328	my ($path) = @_;	1748	my ($self, $path) = @_;
1329		1749
1330	utf8::encode $path;	1750	utf8::encode $path;
1331	aio_open $path, O_RDONLY, 0	1751	#aio_open $path, O_RDONLY, 0
		1752	# or return;
		1753
		1754	$self->_load_header ($path)
1332	or return;	1755	or return;
1333		1756
1334	my $map = cf::map::new	1757	$self->{load_path} = $path;
		1758
		1759	1
		1760	}
		1761
		1762	sub load_header_orig {
		1763	my ($self) = @_;
		1764
		1765	$self->load_header_from ($self->load_path)
		1766	}
		1767
		1768	sub load_header_temp {
		1769	my ($self) = @_;
		1770
		1771	$self->load_header_from ($self->save_path)
		1772	}
		1773
		1774	sub prepare_temp {
		1775	my ($self) = @_;
		1776
		1777	$self->last_access ((delete $self->{last_access})
		1778	|| $cf::RUNTIME); #d#
		1779	# safety
		1780	$self->{instantiate_time} = $cf::RUNTIME
		1781	if $self->{instantiate_time} > $cf::RUNTIME;
		1782	}
		1783
		1784	sub prepare_orig {
		1785	my ($self) = @_;
		1786
		1787	$self->{load_original} = 1;
		1788	$self->{instantiate_time} = $cf::RUNTIME;
		1789	$self->last_access ($cf::RUNTIME);
		1790	$self->instantiate;
		1791	}
		1792
		1793	sub load_header {
		1794	my ($self) = @_;
		1795
		1796	if ($self->load_header_temp) {
		1797	$self->prepare_temp;
		1798	} else {
		1799	$self->load_header_orig
1335	or return;	1800	or return;
		1801	$self->prepare_orig;
		1802	}
1336		1803
1337	# for better error messages only, will be overwritten	1804	$self->{deny_reset} = 1
1338	$map->path ($path);	1805	if $self->no_reset;
1339		1806
1340	$map->load_header ($path)	1807	$self->default_region (cf::region::find_by_path $self->{path})
1341	or return;	1808	unless $self->default_region;
1342		1809
1343	$map->{load_path} = $path;	1810	1
1344
1345	$map
1346	}	1811	}
1347		1812
1348	sub find;	1813	sub find;
1349	sub find {	1814	sub find {
1350	my ($path, $origin) = @_;	1815	my ($path, $origin) = @_;
1351		1816
1352	#warn "find<$path,$origin>\n";#d#
1353
1354	$path = new cf::path $path, $origin && $origin->path;	1817	$path = normalise $path, $origin && $origin->path;
1355	my $key = $path->as_string;
1356		1818
1357	cf::lock_wait "map_find:$key";	1819	cf::lock_wait "map_find:$path";
1358		1820
1359	$cf::MAP{$key} || do {	1821	$cf::MAP{$path} || do {
1360	my $guard = cf::lock_acquire "map_find:$key";	1822	my $guard = cf::lock_acquire "map_find:$path";
1361		1823	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;	1824	or return;
1381		1825
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;	1826	$map->{last_save} = $cf::RUNTIME;
1394		1827
1395	Coro::cede;	1828	$map->load_header
		1829	or return;
1396		1830
1397	if ($map->should_reset) {	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1832	# doing this can freeze the server in a sync job, obviously
		1833	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1834	$map->reset;
1399	undef $guard;	1835	undef $guard;
1400	$map = find $path	1836	return find $path;
1401	or return;
1402	}	1837	}
1403		1838
1404	$cf::MAP{$key} = $map	1839	$cf::MAP{$path} = $map
1405	}	1840	}
1406	}	1841	}
		1842
		1843	sub pre_load { }
		1844	sub post_load { }
1407		1845
1408	sub load {	1846	sub load {
1409	my ($self) = @_;	1847	my ($self) = @_;
1410		1848
		1849	local $self->{deny_reset} = 1; # loading can take a long time
		1850
1411	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
1412	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1854	my $guard = cf::lock_acquire "map_load:$path";
1413		1855
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1856	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1857
1416	$self->in_memory (cf::MAP_LOADING);	1858	$self->in_memory (cf::MAP_LOADING);
1417		1859
1418	$self->alloc;	1860	$self->alloc;
		1861
		1862	$self->pre_load;
		1863	Coro::cede;
		1864
1419	$self->load_objects ($self->{load_path}, 1)	1865	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1866	or return;
1421		1867
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1869	if delete $self->{load_original};
1424		1870
1425	if (my $uniq = $path->uniq_path) {	1871	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1872	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1873	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1874	$self->clear_unique_items;
1429	$self->load_objects ($uniq, 0);	1875	$self->_load_objects ($uniq, 0);
1430	}	1876	}
1431	}	1877	}
1432		1878
1433	Coro::cede;	1879	Coro::cede;
1434
1435	# now do the right thing for maps	1880	# now do the right thing for maps
1436	$self->link_multipart_objects;	1881	$self->link_multipart_objects;
1437
1438	if ($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)	1882	$self->difficulty ($self->estimate_difficulty)
1447	unless $self->difficulty;	1883	unless $self->difficulty;
		1884	Coro::cede;
		1885
		1886	unless ($self->{deny_activate}) {
		1887	$self->decay_objects;
		1888	$self->fix_auto_apply;
		1889	$self->update_buttons;
		1890	Coro::cede;
		1891	$self->set_darkness_map;
		1892	Coro::cede;
1448	$self->activate;	1893	$self->activate;
1449	}	1894	}
1450		1895
1451	Coro::cede;	1896	$self->{last_save} = $cf::RUNTIME;
		1897	$self->last_access ($cf::RUNTIME);
1452		1898
1453	$self->in_memory (cf::MAP_IN_MEMORY);	1899	$self->in_memory (cf::MAP_IN_MEMORY);
		1900	}
		1901
		1902	$self->post_load;
		1903	}
		1904
		1905	sub customise_for {
		1906	my ($self, $ob) = @_;
		1907
		1908	return find "~" . $ob->name . "/" . $self->{path}
		1909	if $self->per_player;
		1910
		1911	# return find "?party/" . $ob->name . "/" . $self->{path}
		1912	# if $self->per_party;
		1913
		1914	$self
		1915	}
		1916
		1917	# find and load all maps in the 3x3 area around a map
		1918	sub load_neighbours {
		1919	my ($map) = @_;
		1920
		1921	my @neigh; # diagonal neighbours
		1922
		1923	for (0 .. 3) {
		1924	my $neigh = $map->tile_path ($_)
		1925	or next;
		1926	$neigh = find $neigh, $map
		1927	or next;
		1928	$neigh->load;
		1929
		1930	push @neigh,
		1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1933	}
		1934
		1935	for (grep defined $_->[0], @neigh) {
		1936	my ($path, $origin) = @$_;
		1937	my $neigh = find $path, $origin
		1938	or next;
		1939	$neigh->load;
		1940	}
1454	}	1941	}
1455		1942
1456	sub find_sync {	1943	sub find_sync {
1457	my ($path, $origin) = @_;	1944	my ($path, $origin) = @_;
1458		1945
1459	cf::sync_job { cf::map::find $path, $origin }	1946	cf::sync_job { find $path, $origin }
1460	}	1947	}
1461		1948
1462	sub do_load_sync {	1949	sub do_load_sync {
1463	my ($map) = @_;	1950	my ($map) = @_;
1464		1951
1465	cf::sync_job { $map->load };	1952	cf::sync_job { $map->load };
1466	}	1953	}
1467		1954
		1955	our %MAP_PREFETCH;
		1956	our $MAP_PREFETCHER = undef;
		1957
		1958	sub find_async {
		1959	my ($path, $origin) = @_;
		1960
		1961	$path = normalise $path, $origin && $origin->{path};
		1962
		1963	if (my $map = $cf::MAP{$path}) {
		1964	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1965	}
		1966
		1967	undef $MAP_PREFETCH{$path};
		1968	$MAP_PREFETCHER ||= cf::async {
		1969	while (%MAP_PREFETCH) {
		1970	for my $path (keys %MAP_PREFETCH) {
		1971	if (my $map = find $path) {
		1972	$map->load;
		1973	}
		1974
		1975	delete $MAP_PREFETCH{$path};
		1976	}
		1977	}
		1978	undef $MAP_PREFETCHER;
		1979	};
		1980	$MAP_PREFETCHER->prio (6);
		1981
		1982	()
		1983	}
		1984
1468	sub save {	1985	sub save {
1469	my ($self) = @_;	1986	my ($self) = @_;
1470		1987
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	1988	my $lock = cf::lock_acquire "map_data:" . $self->path;
1472		1989
1473	$self->{last_save} = $cf::RUNTIME;	1990	$self->{last_save} = $cf::RUNTIME;
1474		1991
1475	return unless $self->dirty;	1992	return unless $self->dirty;
1476		1993
1477	my $save = $self->{path}->save_path; utf8::encode $save;	1994	my $save = $self->save_path; utf8::encode $save;
1478	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1995	my $uniq = $self->uniq_path; utf8::encode $uniq;
1479		1996
1480	$self->{load_path} = $save;	1997	$self->{load_path} = $save;
1481		1998
1482	return if $self->{deny_save};	1999	return if $self->{deny_save};
1483		2000
…		…
1486	cf::async {	2003	cf::async {
1487	$_->contr->save for $self->players;	2004	$_->contr->save for $self->players;
1488	};	2005	};
1489		2006
1490	if ($uniq) {	2007	if ($uniq) {
1491	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2008	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1492	$self->save_objects ($uniq, cf::IO_UNIQUES);	2009	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1493	} else {	2010	} else {
1494	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2011	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1495	}	2012	}
1496	}	2013	}
1497		2014
1498	sub swap_out {	2015	sub swap_out {
1499	my ($self) = @_;	2016	my ($self) = @_;
…		…
1513		2030
1514	sub reset_at {	2031	sub reset_at {
1515	my ($self) = @_;	2032	my ($self) = @_;
1516		2033
1517	# TODO: safety, remove and allow resettable per-player maps	2034	# TODO: safety, remove and allow resettable per-player maps
1518	return 1e99 if $self->{path}{user_rel};
1519	return 1e99 if $self->{deny_reset};	2035	return 1e99 if $self->{deny_reset};
1520		2036
1521	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2037	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1522	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2038	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1523		2039
…		…
1528	my ($self) = @_;	2044	my ($self) = @_;
1529		2045
1530	$self->reset_at <= $cf::RUNTIME	2046	$self->reset_at <= $cf::RUNTIME
1531	}	2047	}
1532		2048
1533	sub unlink_save {
1534	my ($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	$self->save;
1552	}
1553
1554	sub reset {	2049	sub reset {
1555	my ($self) = @_;	2050	my ($self) = @_;
1556		2051
1557	my $lock = cf::lock_acquire "map_data:" . $self->path;	2052	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		2053
1559	return if $self->players;	2054	return if $self->players;
1560	return if $self->{path}{user_rel};#d#
1561		2055
1562	warn "resetting map ", $self->path;#d#	2056	warn "resetting map ", $self->path;
		2057
		2058	$self->in_memory (cf::MAP_SWAPPED);
		2059
		2060	# need to save uniques path
		2061	unless ($self->{deny_save}) {
		2062	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2063
		2064	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2065	if $uniq;
		2066	}
1563		2067
1564	delete $cf::MAP{$self->path};	2068	delete $cf::MAP{$self->path};
		2069
		2070	$self->clear;
1565		2071
1566	$_->clear_links_to ($self) for values %cf::MAP;	2072	$_->clear_links_to ($self) for values %cf::MAP;
1567		2073
1568	$self->unlink_save;	2074	$self->unlink_save;
1569	$self->destroy;	2075	$self->destroy;
…		…
1572	my $nuke_counter = "aaaa";	2078	my $nuke_counter = "aaaa";
1573		2079
1574	sub nuke {	2080	sub nuke {
1575	my ($self) = @_;	2081	my ($self) = @_;
1576		2082
		2083	delete $cf::MAP{$self->path};
		2084
		2085	$self->unlink_save;
		2086
		2087	bless $self, "cf::map";
		2088	delete $self->{deny_reset};
1577	$self->{deny_save} = 1;	2089	$self->{deny_save} = 1;
1578	$self->reset_timeout (1);	2090	$self->reset_timeout (1);
1579	$self->rename ("{nuke}/" . ($nuke_counter++));	2091	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2092
		2093	$cf::MAP{$self->path} = $self;
		2094
1580	$self->reset; # polite request, might not happen	2095	$self->reset; # polite request, might not happen
1581	}	2096	}
1582		2097
1583	sub customise_for {	2098	=item $maps = cf::map::tmp_maps
1584	my ($map, $ob) = @_;
1585		2099
1586	if ($map->per_player) {	2100	Returns an arrayref with all map paths of currently instantiated and saved
1587	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2101	maps. May block.
		2102
		2103	=cut
		2104
		2105	sub tmp_maps() {
1588	}	2106	[
1589		2107	map {
1590	$map	2108	utf8::decode $_;
		2109	/\.map$/
		2110	? normalise $_
		2111	: ()
		2112	} @{ aio_readdir $TMPDIR or [] }
		2113	]
1591	}	2114	}
1592		2115
1593	sub emergency_save {	2116	=item $maps = cf::map::random_maps
1594	my $freeze_guard = cf::freeze_mainloop;
1595		2117
1596	warn "enter emergency perl save\n";	2118	Returns an arrayref with all map paths of currently instantiated and saved
		2119	random maps. May block.
1597		2120
1598	cf::sync_job {	2121	=cut
1599	warn "begin emergency player save\n";
1600	$_->save for values %cf::PLAYER;
1601	warn "end emergency player save\n";
1602		2122
1603	warn "begin emergency map save\n";	2123	sub random_maps() {
1604	$_->save for values %cf::MAP;	2124	[
1605	warn "end emergency map save\n";	2125	map {
1606	};	2126	utf8::decode $_;
		2127	/\.map$/
		2128	? normalise "?random/$_"
		2129	: ()
		2130	} @{ aio_readdir $RANDOMDIR or [] }
		2131	]
		2132	}
1607		2133
1608	warn "leave emergency perl save\n";	2134	=item cf::map::unique_maps
		2135
		2136	Returns an arrayref of paths of all shared maps that have
		2137	instantiated unique items. May block.
		2138
		2139	=cut
		2140
		2141	sub unique_maps() {
		2142	[
		2143	map {
		2144	utf8::decode $_;
		2145	/\.map$/
		2146	? normalise $_
		2147	: ()
		2148	} @{ aio_readdir $UNIQUEDIR or [] }
		2149	]
1609	}	2150	}
1610		2151
1611	package cf;	2152	package cf;
1612		2153
1613	=back	2154	=back
1614		2155
		2156	=head3 cf::object
		2157
		2158	=cut
		2159
		2160	package cf::object;
		2161
		2162	=over 4
		2163
		2164	=item $ob->inv_recursive
		2165
		2166	Returns the inventory of the object _and_ their inventories, recursively.
		2167
		2168	=cut
		2169
		2170	sub inv_recursive_;
		2171	sub inv_recursive_ {
		2172	map { $_, inv_recursive_ $_->inv } @_
		2173	}
		2174
		2175	sub inv_recursive {
		2176	inv_recursive_ inv $_[0]
		2177	}
		2178
		2179	package cf;
		2180
		2181	=back
1615		2182
1616	=head3 cf::object::player	2183	=head3 cf::object::player
1617		2184
1618	=over 4	2185	=over 4
1619		2186
…		…
1633		2200
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2201	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2202
1636	if ($self->{record_replies}) {	2203	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2204	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2205
1638	} else {	2206	} else {
		2207	my $pl = $self->contr;
		2208
		2209	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2210	my $dialog = $pl->{npc_dialog};
		2211	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2212
		2213	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2214	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2215	$self->message ($msg, $flags);
		2216	}
1641	}	2217	}
		2218	}
		2219
		2220	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2221
		2222	=cut
		2223
		2224	sub cf::object::send_msg {
		2225	my $pl = shift->contr
		2226	or return;
		2227	$pl->send_msg (@_);
1642	}	2228	}
1643		2229
1644	=item $player_object->may ("access")	2230	=item $player_object->may ("access")
1645		2231
1646	Returns wether the given player is authorized to access resource "access"	2232	Returns wether the given player is authorized to access resource "access"
…		…
1659		2245
1660	=item $player_object->enter_link	2246	=item $player_object->enter_link
1661		2247
1662	Freezes the player and moves him/her to a special map (C<{link}>).	2248	Freezes the player and moves him/her to a special map (C<{link}>).
1663		2249
1664	The player should be reaosnably safe there for short amounts of time. You	2250	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.	2251	I<MUST> call C<leave_link> as soon as possible, though.
1666		2252
		2253	Will never block.
		2254
1667	=item $player_object->leave_link ($map, $x, $y)	2255	=item $player_object->leave_link ($map, $x, $y)
1668		2256
1669	Moves the player out of the specila link map onto the given map. If the	2257	Moves the player out of the special C<{link}> map onto the specified
1670	map is not valid (or omitted), the player will be moved back to the	2258	map. If the map is not valid (or omitted), the player will be moved back
1671	location he/she was before the call to C<enter_link>, or, if that fails,	2259	to the location he/she was before the call to C<enter_link>, or, if that
1672	to the emergency map position.	2260	fails, to the emergency map position.
1673		2261
1674	Might block.	2262	Might block.
1675		2263
1676	=cut	2264	=cut
		2265
		2266	sub link_map {
		2267	unless ($LINK_MAP) {
		2268	$LINK_MAP = cf::map::find "{link}"
		2269	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2270	$LINK_MAP->load;
		2271	}
		2272
		2273	$LINK_MAP
		2274	}
1677		2275
1678	sub cf::object::player::enter_link {	2276	sub cf::object::player::enter_link {
1679	my ($self) = @_;	2277	my ($self) = @_;
1680		2278
1681	$self->deactivate_recursive;	2279	$self->deactivate_recursive;
1682		2280
1683	return if $self->map == $LINK_MAP;	2281	return if UNIVERSAL::isa $self->map, "ext::map_link";
1684		2282
1685	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2283	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1686	if $self->map;	2284	if $self->map && $self->map->{path} ne "{link}";
1687		2285
1688	$self->enter_map ($LINK_MAP, 20, 20);	2286	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1689	}	2287	}
1690		2288
1691	sub cf::object::player::leave_link {	2289	sub cf::object::player::leave_link {
1692	my ($self, $map, $x, $y) = @_;	2290	my ($self, $map, $x, $y) = @_;
		2291
		2292	return unless $self->contr->active;
1693		2293
1694	my $link_pos = delete $self->{_link_pos};	2294	my $link_pos = delete $self->{_link_pos};
1695		2295
1696	unless ($map) {	2296	unless ($map) {
1697	# restore original map position	2297	# restore original map position
…		…
1711	# use -1 or undef as default coordinates, not 0, 0	2311	# use -1 or undef as default coordinates, not 0, 0
1712	($x, $y) = ($map->enter_x, $map->enter_y)	2312	($x, $y) = ($map->enter_x, $map->enter_y)
1713	if $x <=0 && $y <= 0;	2313	if $x <=0 && $y <= 0;
1714		2314
1715	$map->load;	2315	$map->load;
		2316	$map->load_neighbours;
1716		2317
1717	return unless $self->contr->active;	2318	return unless $self->contr->active;
1718	$self->activate_recursive;	2319	$self->activate_recursive;
		2320
		2321	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1719	$self->enter_map ($map, $x, $y);	2322	$self->enter_map ($map, $x, $y);
1720	}	2323	}
1721		2324
1722	cf::player->attach (	2325	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1723	on_logout => sub {
1724	my ($pl) = @_;
1725		2326
1726	# abort map switching before logout	2327	Moves the player to the given map-path and coordinates by first freezing
1727	if ($pl->ob->{_link_pos}) {	2328	her, loading and preparing them map, calling the provided $check callback
1728	cf::sync_job {	2329	that has to return the map if sucecssful, and then unfreezes the player on
1729	$pl->ob->leave_link	2330	the new (success) or old (failed) map position. In either case, $done will
1730	};	2331	be called at the end of this process.
1731	}
1732	},
1733	on_login => sub {
1734	my ($pl) = @_;
1735		2332
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	2333	=cut
		2334
		2335	our $GOTOGEN;
1757		2336
1758	sub cf::object::player::goto {	2337	sub cf::object::player::goto {
1759	my ($self, $path, $x, $y) = @_;	2338	my ($self, $path, $x, $y, $check, $done) = @_;
1760		2339
1761	$path = new cf::path $path;	2340	# do generation counting so two concurrent goto's will be executed in-order
1762	$path ne "/" or Carp::cluck ("oy");#d#	2341	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1763		2342
1764	$self->enter_link;	2343	$self->enter_link;
1765		2344
1766	(async {	2345	(async {
		2346	my $map = eval {
1767	my $map = cf::map::find $path->as_string;	2347	my $map = cf::map::find $path;
		2348
		2349	if ($map) {
1768	$map = $map->customise_for ($self) if $map;	2350	$map = $map->customise_for ($self);
1769		2351	$map = $check->($map) if $check && $map;
1770	# warn "entering ", $map->path, " at ($x, $y)\n"	2352	} else {
1771	# if $map;
1772
1773	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2353	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2354	}
1774		2355
		2356	$map
		2357	};
		2358
		2359	if ($@) {
		2360	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2361	LOG llevError | logBacktrace, Carp::longmess $@;
		2362	}
		2363
		2364	if ($gen == $self->{_goto_generation}) {
		2365	delete $self->{_goto_generation};
1775	$self->leave_link ($map, $x, $y);	2366	$self->leave_link ($map, $x, $y);
		2367	}
		2368
		2369	$done->() if $done;
1776	})->prio (1);	2370	})->prio (1);
1777	}	2371	}
1778		2372
1779	=item $player_object->enter_exit ($exit_object)	2373	=item $player_object->enter_exit ($exit_object)
1780		2374
…		…
1782		2376
1783	sub parse_random_map_params {	2377	sub parse_random_map_params {
1784	my ($spec) = @_;	2378	my ($spec) = @_;
1785		2379
1786	my $rmp = { # defaults	2380	my $rmp = { # defaults
1787	xsize => 10,	2381	xsize => (cf::rndm 15, 40),
1788	ysize => 10,	2382	ysize => (cf::rndm 15, 40),
		2383	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2384	#layout => string,
1789	};	2385	};
1790		2386
1791	for (split /\n/, $spec) {	2387	for (split /\n/, $spec) {
1792	my ($k, $v) = split /\s+/, $_, 2;	2388	my ($k, $v) = split /\s+/, $_, 2;
1793		2389
…		…
1797	$rmp	2393	$rmp
1798	}	2394	}
1799		2395
1800	sub prepare_random_map {	2396	sub prepare_random_map {
1801	my ($exit) = @_;	2397	my ($exit) = @_;
		2398
		2399	my $guard = cf::lock_acquire "exit_prepare:$exit";
1802		2400
1803	# all this does is basically replace the /! path by	2401	# all this does is basically replace the /! path by
1804	# a new random map path (?random/...) with a seed	2402	# a new random map path (?random/...) with a seed
1805	# that depends on the exit object	2403	# that depends on the exit object
1806		2404
1807	my $rmp = parse_random_map_params $exit->msg;	2405	my $rmp = parse_random_map_params $exit->msg;
1808		2406
1809	if ($exit->map) {	2407	if ($exit->map) {
1810	$rmp->{region} = $exit->map->region_name;	2408	$rmp->{region} = $exit->region->name;
1811	$rmp->{origin_map} = $exit->map->path;	2409	$rmp->{origin_map} = $exit->map->path;
1812	$rmp->{origin_x} = $exit->x;	2410	$rmp->{origin_x} = $exit->x;
1813	$rmp->{origin_y} = $exit->y;	2411	$rmp->{origin_y} = $exit->y;
1814	}	2412	}
1815		2413
1816	$rmp->{random_seed} ||= $exit->random_seed;	2414	$rmp->{random_seed} ||= $exit->random_seed;
1817		2415
1818	my $data = cf::to_json $rmp;	2416	my $data = cf::to_json $rmp;
1819	my $md5 = Digest::MD5::md5_hex $data;	2417	my $md5 = Digest::MD5::md5_hex $data;
		2418	my $meta = "$RANDOMDIR/$md5.meta";
1820		2419
1821	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2420	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1822	aio_write $fh, 0, (length $data), $data, 0;	2421	aio_write $fh, 0, (length $data), $data, 0;
		2422	undef $fh;
		2423	aio_rename "$meta~", $meta;
1823		2424
1824	$exit->slaying ("?random/$md5");	2425	$exit->slaying ("?random/$md5");
1825	$exit->msg (undef);	2426	$exit->msg (undef);
1826	}	2427	}
1827	}	2428	}
…		…
1829	sub cf::object::player::enter_exit {	2430	sub cf::object::player::enter_exit {
1830	my ($self, $exit) = @_;	2431	my ($self, $exit) = @_;
1831		2432
1832	return unless $self->type == cf::PLAYER;	2433	return unless $self->type == cf::PLAYER;
1833		2434
		2435	if ($exit->slaying eq "/!") {
		2436	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2437	# the problem is that $exit might not survive long enough
		2438	# so it needs to be done right now, right here
		2439	cf::sync_job { prepare_random_map $exit };
		2440	}
		2441
		2442	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2443	my $hp = $exit->stats->hp;
		2444	my $sp = $exit->stats->sp;
		2445
1834	$self->enter_link;	2446	$self->enter_link;
		2447
		2448	# if exit is damned, update players death & WoR home-position
		2449	$self->contr->savebed ($slaying, $hp, $sp)
		2450	if $exit->flag (FLAG_DAMNED);
1835		2451
1836	(async {	2452	(async {
1837	$self->deactivate_recursive; # just to be sure	2453	$self->deactivate_recursive; # just to be sure
1838	unless (eval {	2454	unless (eval {
1839	prepare_random_map $exit	2455	$self->goto ($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		2456
1845	1;	2457	1;
1846	}) {	2458	}) {
1847	$self->message ("Something went wrong deep within the crossfire server. "	2459	$self->message ("Something went wrong deep within the crossfire server. "
1848	. "I'll try to bring you back to the map you were before. "	2460	. "I'll try to bring you back to the map you were before. "
1849	. "Please report this to the dungeon master",	2461	. "Please report this to the dungeon master!",
1850	cf::NDI_UNIQUE | cf::NDI_RED);	2462	cf::NDI_UNIQUE | cf::NDI_RED);
1851		2463
1852	warn "ERROR in enter_exit: $@";	2464	warn "ERROR in enter_exit: $@";
1853	$self->leave_link;	2465	$self->leave_link;
1854	}	2466	}
1855	})->prio (1);	2467	})->prio (1);
…		…
1868		2480
1869	sub cf::client::send_drawinfo {	2481	sub cf::client::send_drawinfo {
1870	my ($self, $text, $flags) = @_;	2482	my ($self, $text, $flags) = @_;
1871		2483
1872	utf8::encode $text;	2484	utf8::encode $text;
1873	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2485	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1874	}	2486	}
1875		2487
		2488	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2489
		2490	Send a drawinfo or msg packet to the client, formatting the msg for the
		2491	client if neccessary. C<$type> should be a string identifying the type of
		2492	the message, with C<log> being the default. If C<$color> is negative, suppress
		2493	the message unless the client supports the msg packet.
		2494
		2495	=cut
		2496
		2497	sub cf::client::send_msg {
		2498	my ($self, $channel, $msg, $color, @extra) = @_;
		2499
		2500	$msg = $self->pl->expand_cfpod ($msg);
		2501
		2502	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2503
		2504	if (ref $channel) {
		2505	# send meta info to client, if not yet sent
		2506	unless (exists $self->{channel}{$channel->{id}}) {
		2507	$self->{channel}{$channel->{id}} = $channel;
		2508	$self->ext_msg (channel_info => $channel);
		2509	}
		2510
		2511	$channel = $channel->{id};
		2512	}
		2513
		2514	return unless @extra || length $msg;
		2515
		2516	if ($self->can_msg) {
		2517	# default colour, mask it out
		2518	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2519	if $color & cf::NDI_DEF;
		2520
		2521	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2522	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2523	} else {
		2524	if ($color >= 0) {
		2525	# replace some tags by gcfclient-compatible ones
		2526	for ($msg) {
		2527	1 while
		2528	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2529	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2530	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2531	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2532	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2533	}
		2534
		2535	$color &= cf::NDI_COLOR_MASK;
		2536
		2537	utf8::encode $msg;
		2538
		2539	if (0 && $msg =~ /\[/) {
		2540	# COMMAND/INFO
		2541	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2542	} else {
		2543	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2544	$self->send_packet ("drawinfo $color $msg")
		2545	}
		2546	}
		2547	}
		2548	}
		2549
		2550	=item $client->ext_msg ($type, @msg)
		2551
		2552	Sends an ext event to the client.
		2553
		2554	=cut
		2555
		2556	sub cf::client::ext_msg($$@) {
		2557	my ($self, $type, @msg) = @_;
		2558
		2559	my $extcmd = $self->extcmd;
		2560
		2561	if ($extcmd == 2) {
		2562	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2563	} elsif ($extcmd == 1) { # TODO: remove
		2564	push @msg, msgtype => "event_$type";
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2566	}
		2567	}
		2568
		2569	=item $client->ext_reply ($msgid, @msg)
		2570
		2571	Sends an ext reply to the client.
		2572
		2573	=cut
		2574
		2575	sub cf::client::ext_reply($$@) {
		2576	my ($self, $id, @msg) = @_;
		2577
		2578	if ($self->extcmd == 2) {
		2579	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2580	} elsif ($self->ns->extcmd == 1) {
		2581	#TODO: version 1, remove
		2582	unshift @msg, msgtype => "reply", msgid => $id;
		2583	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2584	}
		2585	}
1876		2586
1877	=item $success = $client->query ($flags, "text", \&cb)	2587	=item $success = $client->query ($flags, "text", \&cb)
1878		2588
1879	Queues a query to the client, calling the given callback with	2589	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>,	2590	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>.	2591	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1882		2592
1883	Queries can fail, so check the return code. Or don't, as queries will become	2593	Queries can fail, so check the return code. Or don't, as queries will
1884	reliable at some point in the future.	2594	become reliable at some point in the future.
1885		2595
1886	=cut	2596	=cut
1887		2597
1888	sub cf::client::query {	2598	sub cf::client::query {
1889	my ($self, $flags, $text, $cb) = @_;	2599	my ($self, $flags, $text, $cb) = @_;
…		…
1897	utf8::encode $text;	2607	utf8::encode $text;
1898	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2608	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1899		2609
1900	$self->send_packet ($self->{query_queue}[0][0])	2610	$self->send_packet ($self->{query_queue}[0][0])
1901	if @{ $self->{query_queue} } == 1;	2611	if @{ $self->{query_queue} } == 1;
		2612
		2613	1
1902	}	2614	}
1903		2615
1904	cf::client->attach (	2616	cf::client->attach (
		2617	on_connect => sub {
		2618	my ($ns) = @_;
		2619
		2620	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2621	},
1905	on_reply => sub {	2622	on_reply => sub {
1906	my ($ns, $msg) = @_;	2623	my ($ns, $msg) = @_;
1907		2624
1908	# this weird shuffling is so that direct followup queries	2625	# this weird shuffling is so that direct followup queries
1909	# get handled first	2626	# get handled first
1910	my $queue = delete $ns->{query_queue}	2627	my $queue = delete $ns->{query_queue}
1911	or return; # be conservative, not sure how that can happen, but we saw a crash here	2628	or return; # be conservative, not sure how that can happen, but we saw a crash here
1912		2629
1913	(shift @$queue)->[1]->($msg);	2630	(shift @$queue)->[1]->($msg);
		2631	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1914		2632
1915	push @{ $ns->{query_queue} }, @$queue;	2633	push @{ $ns->{query_queue} }, @$queue;
1916		2634
1917	if (@{ $ns->{query_queue} } == @$queue) {	2635	if (@{ $ns->{query_queue} } == @$queue) {
1918	if (@$queue) {	2636	if (@$queue) {
…		…
1920	} else {	2638	} else {
1921	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2639	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1922	}	2640	}
1923	}	2641	}
1924	},	2642	},
		2643	on_exticmd => sub {
		2644	my ($ns, $buf) = @_;
		2645
		2646	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2647
		2648	if (ref $msg) {
		2649	my ($type, $reply, @payload) =
		2650	"ARRAY" eq ref $msg
		2651	? @$msg
		2652	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2653
		2654	my @reply;
		2655
		2656	if (my $cb = $EXTICMD{$type}) {
		2657	@reply = $cb->($ns, @payload);
		2658	}
		2659
		2660	$ns->ext_reply ($reply, @reply)
		2661	if $reply;
		2662
		2663	} else {
		2664	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2665	}
		2666
		2667	cf::override;
		2668	},
1925	);	2669	);
1926		2670
1927	=item $client->async (\&cb)	2671	=item $client->async (\&cb)
1928		2672
1929	Create a new coroutine, running the specified callback. The coroutine will	2673	Create a new coroutine, running the specified callback. The coroutine will
…		…
1970	our $safe = new Safe "safe";	2714	our $safe = new Safe "safe";
1971	our $safe_hole = new Safe::Hole;	2715	our $safe_hole = new Safe::Hole;
1972		2716
1973	$SIG{FPE} = 'IGNORE';	2717	$SIG{FPE} = 'IGNORE';
1974		2718
1975	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2719	$safe->permit_only (Opcode::opset qw(
		2720	:base_core :base_mem :base_orig :base_math
		2721	grepstart grepwhile mapstart mapwhile
		2722	sort time
		2723	));
1976		2724
1977	# here we export the classes and methods available to script code	2725	# here we export the classes and methods available to script code
1978		2726
1979	=pod	2727	=pod
1980		2728
1981	The following fucntions and emthods are available within a safe environment:	2729	The following functions and methods are available within a safe environment:
1982		2730
1983	cf::object contr pay_amount pay_player map	2731	cf::object
		2732	contr pay_amount pay_player map x y force_find force_add
		2733	insert remove name archname title slaying race
		2734
1984	cf::object::player player	2735	cf::object::player
1985	cf::player peaceful	2736	player
1986	cf::map trigger	2737
		2738	cf::player
		2739	peaceful
		2740
		2741	cf::map
		2742	trigger
1987		2743
1988	=cut	2744	=cut
1989		2745
1990	for (	2746	for (
1991	["cf::object" => qw(contr pay_amount pay_player map)],	2747	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2748	insert remove inv name archname title slaying race)],
1992	["cf::object::player" => qw(player)],	2749	["cf::object::player" => qw(player)],
1993	["cf::player" => qw(peaceful)],	2750	["cf::player" => qw(peaceful)],
1994	["cf::map" => qw(trigger)],	2751	["cf::map" => qw(trigger)],
1995	) {	2752	) {
1996	no strict 'refs';	2753	no strict 'refs';
…		…
2067	=back	2824	=back
2068		2825
2069	=cut	2826	=cut
2070		2827
2071	#############################################################################	2828	#############################################################################
		2829	# the server's init and main functions
2072		2830
2073	=head2 EXTENSION DATABASE SUPPORT	2831	sub load_facedata($) {
		2832	my ($path) = @_;
2074		2833
2075	Crossfire maintains a very simple database for extension use. It can	2834	my $enc = JSON::XS->new->utf8->canonical;
2076	currently store anything that can be serialised using Storable, which
2077	excludes objects.
2078		2835
2079	The parameter C<$family> should best start with the name of the extension	2836	warn "loading facedata from $path\n";
2080	using it, it should be unique.
2081		2837
2082	=over 4	2838	my $facedata;
		2839	0 < aio_load $path, $facedata
		2840	or die "$path: $!";
2083		2841
2084	=item $hashref = cf::db_get $family	2842	$facedata = Coro::Storable::thaw $facedata;
2085		2843
2086	Return a hashref for use by the extension C<$family>, which can be	2844	$facedata->{version} == 2
2087	modified. After modifications, you have to call C<cf::db_dirty> or	2845	or cf::cleanup "$path: version mismatch, cannot proceed.";
2088	C<cf::db_sync>.
2089		2846
2090	=item $value = cf::db_get $family => $key	2847	# patch in the exptable
2091		2848	$facedata->{resource}{"res/exp_table"} = {
2092	Returns a single value from the database	2849	type => FT_RSRC,
2093		2850	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. 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	});	2851	};
		2852	cf::cede_to_tick;
2145		2853
2146	sub db_dirty() {
2147	$dirty = 1;
2148	$idle->start;
2149	}	2854	{
		2855	my $faces = $facedata->{faceinfo};
2150		2856
2151	sub db_get($;$) {	2857	while (my ($face, $info) = each %$faces) {
2152	@_ >= 2	2858	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2153	? $DB->{$_[0]}{$_[1]}	2859	cf::face::set_visibility $idx, $info->{visibility};
2154	: ($DB->{$_[0]} ||= { })	2860	cf::face::set_magicmap $idx, $info->{magicmap};
2155	}	2861	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2862	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2156		2863
2157	sub db_put($$;$) {	2864	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	},	2865	}
2171	);
2172	}
2173		2866
2174	#############################################################################	2867	while (my ($face, $info) = each %$faces) {
2175	# the server's main()	2868	next unless $info->{smooth};
		2869	my $idx = cf::face::find $face
		2870	or next;
		2871	if (my $smooth = cf::face::find $info->{smooth}) {
		2872	cf::face::set_smooth $idx, $smooth;
		2873	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2874	} else {
		2875	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2876	}
		2877
		2878	cf::cede_to_tick;
		2879	}
		2880	}
		2881
		2882	{
		2883	my $anims = $facedata->{animinfo};
		2884
		2885	while (my ($anim, $info) = each %$anims) {
		2886	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2887	cf::cede_to_tick;
		2888	}
		2889
		2890	cf::anim::invalidate_all; # d'oh
		2891	}
		2892
		2893	{
		2894	# TODO: for gcfclient pleasure, we should give resources
		2895	# that gcfclient doesn't grok a >10000 face index.
		2896	my $res = $facedata->{resource};
		2897
		2898	my $soundconf = delete $res->{"res/sound.conf"};
		2899
		2900	while (my ($name, $info) = each %$res) {
		2901	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2902	my $data;
		2903
		2904	if ($info->{type} & 1) {
		2905	# prepend meta info
		2906
		2907	my $meta = $enc->encode ({
		2908	name => $name,
		2909	%{ $info->{meta} || {} },
		2910	});
		2911
		2912	$data = pack "(w/a*)*", $meta, $info->{data};
		2913	} else {
		2914	$data = $info->{data};
		2915	}
		2916
		2917	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2918	cf::face::set_type $idx, $info->{type};
		2919
		2920	cf::cede_to_tick;
		2921	}
		2922
		2923	if ($soundconf) {
		2924	$soundconf = $enc->decode (delete $soundconf->{data});
		2925
		2926	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2927	my $sound = $soundconf->{compat}[$_]
		2928	or next;
		2929
		2930	my $face = cf::face::find "sound/$sound->[1]";
		2931	cf::sound::set $sound->[0] => $face;
		2932	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2933	}
		2934
		2935	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2936	my $face = cf::face::find "sound/$v";
		2937	cf::sound::set $k => $face;
		2938	}
		2939	}
		2940	}
		2941
		2942	1
		2943	}
		2944
		2945	register_exticmd fx_want => sub {
		2946	my ($ns, $want) = @_;
		2947
		2948	while (my ($k, $v) = each %$want) {
		2949	$ns->fx_want ($k, $v);
		2950	}
		2951	};
		2952
		2953	sub reload_regions {
		2954	load_resource_file "$MAPDIR/regions"
		2955	or die "unable to load regions file\n";
		2956
		2957	for (cf::region::list) {
		2958	$_->{match} = qr/$_->{match}/
		2959	if exists $_->{match};
		2960	}
		2961	}
		2962
		2963	sub reload_facedata {
		2964	load_facedata "$DATADIR/facedata"
		2965	or die "unable to load facedata\n";
		2966	}
		2967
		2968	sub reload_archetypes {
		2969	load_resource_file "$DATADIR/archetypes"
		2970	or die "unable to load archetypes\n";
		2971	#d# NEED to laod twice to resolve forward references
		2972	# this really needs to be done in an extra post-pass
		2973	# (which needs to be synchronous, so solve it differently)
		2974	load_resource_file "$DATADIR/archetypes"
		2975	or die "unable to load archetypes\n";
		2976	}
		2977
		2978	sub reload_treasures {
		2979	load_resource_file "$DATADIR/treasures"
		2980	or die "unable to load treasurelists\n";
		2981	}
		2982
		2983	sub reload_resources {
		2984	warn "reloading resource files...\n";
		2985
		2986	reload_regions;
		2987	reload_facedata;
		2988	#reload_archetypes;#d#
		2989	reload_archetypes;
		2990	reload_treasures;
		2991
		2992	warn "finished reloading resource files\n";
		2993	}
		2994
		2995	sub init {
		2996	reload_resources;
		2997	}
2176		2998
2177	sub cfg_load {	2999	sub cfg_load {
2178	open my $fh, "<:utf8", cf::confdir . "/config"	3000	open my $fh, "<:utf8", "$CONFDIR/config"
2179	or return;	3001	or return;
2180		3002
2181	local $/;	3003	local $/;
2182	*CFG = YAML::Syck::Load <$fh>;	3004	*CFG = YAML::Syck::Load <$fh>;
2183		3005
…		…
2197		3019
2198	sub main {	3020	sub main {
2199	# we must not ever block the main coroutine	3021	# we must not ever block the main coroutine
2200	local $Coro::idle = sub {	3022	local $Coro::idle = sub {
2201	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3023	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3024	(async {
2202	async { Event::one_event };	3025	Event::one_event;
		3026	})->prio (Coro::PRIO_MAX);
2203	};	3027	};
2204		3028
2205	cfg_load;	3029	cfg_load;
2206	db_load;	3030	db_init;
2207	load_extensions;	3031	load_extensions;
		3032
		3033	$TICK_WATCHER->start;
2208	Event::loop;	3034	Event::loop;
2209	}	3035	}
2210		3036
2211	#############################################################################	3037	#############################################################################
2212	# initialisation	3038	# initialisation and cleanup
2213		3039
		3040	# install some emergency cleanup handlers
		3041	BEGIN {
		3042	for my $signal (qw(INT HUP TERM)) {
		3043	Event->signal (
		3044	reentrant => 0,
		3045	data => WF_AUTOCANCEL,
		3046	signal => $signal,
		3047	prio => 0,
		3048	cb => sub {
		3049	cf::cleanup "SIG$signal";
		3050	},
		3051	);
		3052	}
		3053	}
		3054
		3055	sub write_runtime {
		3056	my $runtime = "$LOCALDIR/runtime";
		3057
		3058	# first touch the runtime file to show we are still running:
		3059	# the fsync below can take a very very long time.
		3060
		3061	IO::AIO::aio_utime $runtime, undef, undef;
		3062
		3063	my $guard = cf::lock_acquire "write_runtime";
		3064
		3065	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3066	or return;
		3067
		3068	my $value = $cf::RUNTIME + 90 + 10;
		3069	# 10 is the runtime save interval, for a monotonic clock
		3070	# 60 allows for the watchdog to kill the server.
		3071
		3072	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3073	and return;
		3074
		3075	# always fsync - this file is important
		3076	aio_fsync $fh
		3077	and return;
		3078
		3079	# touch it again to show we are up-to-date
		3080	aio_utime $fh, undef, undef;
		3081
		3082	close $fh
		3083	or return;
		3084
		3085	aio_rename "$runtime~", $runtime
		3086	and return;
		3087
		3088	warn "runtime file written.\n";
		3089
		3090	1
		3091	}
		3092
		3093	sub emergency_save() {
		3094	my $freeze_guard = cf::freeze_mainloop;
		3095
		3096	warn "enter emergency perl save\n";
		3097
		3098	cf::sync_job {
		3099	# use a peculiar iteration method to avoid tripping on perl
		3100	# refcount bugs in for. also avoids problems with players
		3101	# and maps saved/destroyed asynchronously.
		3102	warn "begin emergency player save\n";
		3103	for my $login (keys %cf::PLAYER) {
		3104	my $pl = $cf::PLAYER{$login} or next;
		3105	$pl->valid or next;
		3106	$pl->save;
		3107	}
		3108	warn "end emergency player save\n";
		3109
		3110	warn "begin emergency map save\n";
		3111	for my $path (keys %cf::MAP) {
		3112	my $map = $cf::MAP{$path} or next;
		3113	$map->valid or next;
		3114	$map->save;
		3115	}
		3116	warn "end emergency map save\n";
		3117
		3118	warn "begin emergency database checkpoint\n";
		3119	BDB::db_env_txn_checkpoint $DB_ENV;
		3120	warn "end emergency database checkpoint\n";
		3121	};
		3122
		3123	warn "leave emergency perl save\n";
		3124	}
		3125
		3126	sub post_cleanup {
		3127	my ($make_core) = @_;
		3128
		3129	warn Carp::longmess "post_cleanup backtrace"
		3130	if $make_core;
		3131	}
		3132
2214	sub reload() {	3133	sub do_reload_perl() {
2215	# can/must only be called in main	3134	# can/must only be called in main
2216	if ($Coro::current != $Coro::main) {	3135	if ($Coro::current != $Coro::main) {
2217	warn "can only reload from main coroutine\n";	3136	warn "can only reload from main coroutine";
2218	return;	3137	return;
2219	}	3138	}
2220		3139
2221	warn "reloading...";	3140	warn "reloading...";
2222		3141
2223	my $guard = freeze_mainloop;	3142	warn "entering sync_job";
		3143
		3144	cf::sync_job {
		3145	cf::write_runtime; # external watchdog should not bark
2224	cf::emergency_save;	3146	cf::emergency_save;
		3147	cf::write_runtime; # external watchdog should not bark
2225		3148
2226	eval {	3149	warn "syncing database to disk";
		3150	BDB::db_env_txn_checkpoint $DB_ENV;
		3151
2227	# if anything goes wrong in here, we should simply crash as we already saved	3152	# if anything goes wrong in here, we should simply crash as we already saved
2228		3153
2229	# cancel all watchers	3154	warn "cancelling all WF_AUTOCANCEL watchers";
2230	for (Event::all_watchers) {	3155	for (Event::all_watchers) {
2231	$_->cancel if $_->data & WF_AUTOCANCEL;	3156	$_->cancel if $_->data & WF_AUTOCANCEL;
2232	}	3157	}
2233		3158
		3159	warn "flushing outstanding aio requests";
		3160	for (;;) {
		3161	BDB::flush;
		3162	IO::AIO::flush;
		3163	Coro::cede;
		3164	last unless IO::AIO::nreqs || BDB::nreqs;
		3165	warn "iterate...";
		3166	}
		3167
		3168	++$RELOAD;
		3169
2234	# cancel all extension coros	3170	warn "cancelling all extension coros";
2235	$_->cancel for values %EXT_CORO;	3171	$_->cancel for values %EXT_CORO;
2236	%EXT_CORO = ();	3172	%EXT_CORO = ();
2237		3173
2238	# unload all extensions	3174	warn "removing commands";
2239	for (@exts) {	3175	%COMMAND = ();
		3176
		3177	warn "removing ext/exti commands";
		3178	%EXTCMD = ();
		3179	%EXTICMD = ();
		3180
		3181	warn "unloading/nuking all extensions";
		3182	for my $pkg (@EXTS) {
2240	warn "unloading <$_>";	3183	warn "... unloading $pkg";
2241	unload_extension $_;	3184
		3185	if (my $cb = $pkg->can ("unload")) {
		3186	eval {
		3187	$cb->($pkg);
		3188	1
		3189	} or warn "$pkg unloaded, but with errors: $@";
2242	}	3190	}
2243		3191
		3192	warn "... nuking $pkg";
		3193	Symbol::delete_package $pkg;
		3194	}
		3195
2244	# unload all modules loaded from $LIBDIR	3196	warn "unloading all perl modules loaded from $LIBDIR";
2245	while (my ($k, $v) = each %INC) {	3197	while (my ($k, $v) = each %INC) {
2246	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3198	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2247		3199
2248	warn "removing <$k>";	3200	warn "... unloading $k";
2249	delete $INC{$k};	3201	delete $INC{$k};
2250		3202
2251	$k =~ s/\.pm$//;	3203	$k =~ s/\.pm$//;
2252	$k =~ s/\//::/g;	3204	$k =~ s/\//::/g;
2253		3205
…		…
2256	}	3208	}
2257		3209
2258	Symbol::delete_package $k;	3210	Symbol::delete_package $k;
2259	}	3211	}
2260		3212
2261	# sync database to disk
2262	cf::db_sync;
2263	IO::AIO::flush;
2264
2265	# get rid of safe::, as good as possible	3213	warn "getting rid of safe::, as good as possible";
2266	Symbol::delete_package "safe::$_"	3214	Symbol::delete_package "safe::$_"
2267	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3215	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2268		3216
2269	# remove register_script_function callbacks
2270	# TODO
2271
2272	# unload cf.pm "a bit"	3217	warn "unloading cf.pm \"a bit\"";
2273	delete $INC{"cf.pm"};	3218	delete $INC{"cf.pm"};
		3219	delete $INC{"cf/pod.pm"};
2274		3220
2275	# don't, removes xs symbols, too,	3221	# don't, removes xs symbols, too,
2276	# and global variables created in xs	3222	# and global variables created in xs
2277	#Symbol::delete_package __PACKAGE__;	3223	#Symbol::delete_package __PACKAGE__;
2278		3224
2279	# reload cf.pm	3225	warn "unload completed, starting to reload now";
		3226
2280	warn "reloading cf.pm";	3227	warn "reloading cf.pm";
2281	require cf;	3228	require cf;
2282	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3229	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2283		3230
2284	# load config and database again	3231	warn "loading config and database again";
2285	cf::cfg_load;	3232	cf::cfg_load;
2286	cf::db_load;
2287		3233
2288	# load extensions
2289	warn "load extensions";	3234	warn "loading extensions";
2290	cf::load_extensions;	3235	cf::load_extensions;
2291		3236
2292	# reattach attachments to objects	3237	warn "reattaching attachments to objects/players";
2293	warn "reattach";	3238	_global_reattach; # objects, sockets
2294	_global_reattach;	3239	warn "reattaching attachments to maps";
2295	reattach $_ for values %MAP;	3240	reattach $_ for values %MAP;
2296	};	3241	warn "reattaching attachments to players";
		3242	reattach $_ for values %PLAYER;
2297		3243
2298	if ($@) {	3244	warn "leaving sync_job";
		3245
		3246	1
		3247	} or do {
2299	warn $@;	3248	warn $@;
2300	warn "error while reloading, exiting.";	3249	warn "error while reloading, exiting.";
2301	exit 1;	3250	exit 1;
2302	}	3251	};
2303		3252
2304	warn "reloaded successfully";	3253	warn "reloaded";
2305	};	3254	};
2306		3255
2307	#############################################################################	3256	our $RELOAD_WATCHER; # used only during reload
2308		3257
2309	unless ($LINK_MAP) {	3258	sub reload_perl() {
2310	$LINK_MAP = cf::map::new;	3259	# doing reload synchronously and two reloads happen back-to-back,
		3260	# coro crashes during coro_state_free->destroy here.
2311		3261
2312	$LINK_MAP->width (41);	3262	$RELOAD_WATCHER ||= Event->timer (
2313	$LINK_MAP->height (41);	3263	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,	3264	after => 0,
		3265	data => WF_AUTOCANCEL,
2322	cb => sub {	3266	cb => sub {
2323	$_[0]->w->cancel;	3267	do_reload_perl;
2324		3268	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	});	3269	},
2343		3270	);
2344	$LINK_MAP->{deny_save} = 1;
2345	$LINK_MAP->{deny_reset} = 1;
2346
2347	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2348	}	3271	}
2349
2350	register "<global>", __PACKAGE__;
2351		3272
2352	register_command "reload" => sub {	3273	register_command "reload" => sub {
2353	my ($who, $arg) = @_;	3274	my ($who, $arg) = @_;
2354		3275
2355	if ($who->flag (FLAG_WIZ)) {	3276	if ($who->flag (FLAG_WIZ)) {
2356	$who->message ("start of reload.");
2357	reload;
2358	$who->message ("end of reload.");	3277	$who->message ("reloading server.");
		3278	async { reload_perl };
2359	}	3279	}
2360	};	3280	};
2361		3281
2362	unshift @INC, $LIBDIR;	3282	unshift @INC, $LIBDIR;
2363		3283
		3284	my $bug_warning = 0;
		3285
		3286	our @WAIT_FOR_TICK;
		3287	our @WAIT_FOR_TICK_BEGIN;
		3288
		3289	sub wait_for_tick {
		3290	return unless $TICK_WATCHER->is_active;
		3291	return if $Coro::current == $Coro::main;
		3292
		3293	my $signal = new Coro::Signal;
		3294	push @WAIT_FOR_TICK, $signal;
		3295	$signal->wait;
		3296	}
		3297
		3298	sub wait_for_tick_begin {
		3299	return unless $TICK_WATCHER->is_active;
		3300	return if $Coro::current == $Coro::main;
		3301
		3302	my $signal = new Coro::Signal;
		3303	push @WAIT_FOR_TICK_BEGIN, $signal;
		3304	$signal->wait;
		3305	}
		3306
		3307	my $min = 1e6;#d#
		3308	my $avg = 10;
2364	$TICK_WATCHER = Event->timer (	3309	$TICK_WATCHER = Event->timer (
2365	reentrant => 0,	3310	reentrant => 0,
		3311	parked => 1,
2366	prio => 0,	3312	prio => 0,
2367	at => $NEXT_TICK || $TICK,	3313	at => $NEXT_TICK || $TICK,
2368	data => WF_AUTOCANCEL,	3314	data => WF_AUTOCANCEL,
2369	cb => sub {	3315	cb => sub {
		3316	if ($Coro::current != $Coro::main) {
		3317	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3318	unless ++$bug_warning > 10;
		3319	return;
		3320	}
		3321
		3322	$NOW = $tick_start = Event::time;
		3323
2370	cf::server_tick; # one server iteration	3324	cf::server_tick; # one server iteration
		3325
		3326	0 && sync_job {#d#
		3327	for(1..10) {
		3328	my $t = Event::time;
		3329	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3330	or die;
		3331
		3332	$map->width (50);
		3333	$map->height (50);
		3334	$map->alloc;
		3335	$map->_load_objects ("/tmp/x.map", 1);
		3336	my $t = Event::time - $t;
		3337
		3338	#next unless $t < 0.0013;#d#
		3339	if ($t < $min) {
		3340	$min = $t;
		3341	}
		3342	$avg = $avg * 0.99 + $t * 0.01;
		3343	}
		3344	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3345	exit 0;
		3346	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3347	};
		3348
2371	$RUNTIME += $TICK;	3349	$RUNTIME += $TICK;
2372	$NEXT_TICK += $TICK;	3350	$NEXT_TICK += $TICK;
2373		3351
		3352	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3353	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3354	Coro::async_pool {
		3355	write_runtime
		3356	or warn "ERROR: unable to write runtime file: $!";
		3357	};
		3358	}
		3359
		3360	# my $AFTER = Event::time;
		3361	# warn $AFTER - $NOW;#d#
		3362
		3363	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3364	$sig->send;
		3365	}
		3366	while (my $sig = shift @WAIT_FOR_TICK) {
		3367	$sig->send;
		3368	}
		3369
		3370	$NOW = Event::time;
		3371
2374	# if we are delayed by four ticks or more, skip them all	3372	# if we are delayed by four ticks or more, skip them all
2375	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3373	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2376		3374
2377	$TICK_WATCHER->at ($NEXT_TICK);	3375	$TICK_WATCHER->at ($NEXT_TICK);
2378	$TICK_WATCHER->start;	3376	$TICK_WATCHER->start;
		3377
		3378	$LOAD = ($NOW - $tick_start) / $TICK;
		3379	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3380
		3381	_post_tick;
		3382
		3383
2379	},	3384	},
2380	);	3385	);
2381		3386
		3387	{
2382	IO::AIO::max_poll_time $TICK * 0.2;	3388	BDB::max_poll_time $TICK * 0.1;
2383		3389	$BDB_POLL_WATCHER = Event->io (
2384	Event->io (	3390	reentrant => 0,
2385	fd => IO::AIO::poll_fileno,	3391	fd => BDB::poll_fileno,
2386	poll => 'r',	3392	poll => 'r',
2387	prio => 5,	3393	prio => 0,
2388	data => WF_AUTOCANCEL,
2389	cb => \&IO::AIO::poll_cb,
2390	);
2391
2392	Event->timer (
2393	data => WF_AUTOCANCEL,	3394	data => WF_AUTOCANCEL,
2394	after => 0,	3395	cb => \&BDB::poll_cb,
2395	interval => 10,	3396	);
2396	cb => sub {	3397	BDB::min_parallel 8;
2397	(Coro::unblock_sub {	3398
2398	write_runtime	3399	BDB::set_sync_prepare {
2399	or warn "ERROR: unable to write runtime file: $!";	3400	my $status;
		3401	my $current = $Coro::current;
		3402	(
		3403	sub {
		3404	$status = $!;
		3405	$current->ready; undef $current;
		3406	},
		3407	sub {
		3408	Coro::schedule while defined $current;
		3409	$! = $status;
		3410	},
		3411	)
		3412	};
		3413
		3414	unless ($DB_ENV) {
		3415	$DB_ENV = BDB::db_env_create;
		3416
		3417	cf::sync_job {
		3418	eval {
		3419	BDB::db_env_open
		3420	$DB_ENV,
		3421	$BDBDIR,
		3422	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3423	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3424	0666;
		3425
		3426	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3427
		3428	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3429	$DB_ENV->set_lk_detect;
		3430	};
		3431
		3432	cf::cleanup "db_env_open(db): $@" if $@;
2400	})->();	3433	};
2401	},	3434	}
2402	);	3435	}
		3436
		3437	{
		3438	IO::AIO::min_parallel 8;
		3439
		3440	undef $Coro::AIO::WATCHER;
		3441	IO::AIO::max_poll_time $TICK * 0.1;
		3442	$AIO_POLL_WATCHER = Event->io (
		3443	reentrant => 0,
		3444	data => WF_AUTOCANCEL,
		3445	fd => IO::AIO::poll_fileno,
		3446	poll => 'r',
		3447	prio => 6,
		3448	cb => \&IO::AIO::poll_cb,
		3449	);
		3450	}
		3451
		3452	my $_log_backtrace;
		3453
		3454	sub _log_backtrace {
		3455	my ($msg, @addr) = @_;
		3456
		3457	$msg =~ s/\n//;
		3458
		3459	# limit the # of concurrent backtraces
		3460	if ($_log_backtrace < 2) {
		3461	++$_log_backtrace;
		3462	async {
		3463	my @bt = fork_call {
		3464	@addr = map { sprintf "%x", $_ } @addr;
		3465	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3466	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3467	or die "addr2line: $!";
		3468
		3469	my @funcs;
		3470	my @res = <$fh>;
		3471	chomp for @res;
		3472	while (@res) {
		3473	my ($func, $line) = splice @res, 0, 2, ();
		3474	push @funcs, "[$func] $line";
		3475	}
		3476
		3477	@funcs
		3478	};
		3479
		3480	LOG llevInfo, "[ABT] $msg\n";
		3481	LOG llevInfo, "[ABT] $_\n" for @bt;
		3482	--$_log_backtrace;
		3483	};
		3484	} else {
		3485	LOG llevInfo, "[ABT] $msg\n";
		3486	LOG llevInfo, "[ABT] [suppressed]\n";
		3487	}
		3488	}
		3489
		3490	# load additional modules
		3491	use cf::pod;
2403		3492
2404	END { cf::emergency_save }	3493	END { cf::emergency_save }
2405		3494
2406	1	3495	1
2407		3496

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