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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.155 by root, Tue Jan 9 21:32:42 2007 UTC vs.
Revision 1.332 by root, Sat Aug 18 17:33:53 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS 1.4 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# 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?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$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
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		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";
57	our %EXT_CORO; # coroutines bound to extensions
58		95
59	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
60	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	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 $tick_start; # for load detecting purposes
61		102
62	binmode STDOUT;	103	binmode STDOUT;
63	binmode STDERR;	104	binmode STDERR;
64		105
65	# read virtual server time, if available	106	# read virtual server time, if available
66	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
67	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
68	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
69	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
70	}	111	}
71		112
72	mkdir cf::localdir;	113	mkdir $_
73	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
74	mkdir cf::localdir . "/" . cf::tmpdir;
75	mkdir cf::localdir . "/" . cf::uniquedir;
76	mkdir $RANDOM_MAPS;
77		115
78	# a special map that is always available
79	our $LINK_MAP;
80	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
81		119
82	#############################################################################	120	#############################################################################
83		121
84	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
85		123
…		…
92	=item $cf::RUNTIME	130	=item $cf::RUNTIME
93		131
94	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
95	every server tick.	133	every server tick.
96		134
97	=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
98		138
99	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
100	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.
101		143
102	=item $cf::NOW	144	=item $cf::NOW
103		145
104	The time of the last (current) server tick.	146	The time of the last (current) server tick.
105		147
106	=item $cf::TICK	148	=item $cf::TICK
107		149
108	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.
109		161
110	=item %cf::CFG	162	=item %cf::CFG
111		163
112	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
113	from wherever your confdir points to.	165	from wherever your confdir points to.
114		166
115	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
116		168
117	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
118	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
119	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
120	window of cpu time available, or simply to synchronise to the server tick.	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.
121		178
122	=back	179	=back
123		180
124	=cut	181	=cut
125		182
126	BEGIN {	183	BEGIN {
127	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
128	my $msg = join "", @_;	185	my $msg = join "", @_;
129	utf8::encode $msg;
130		186
131	$msg .= "\n"	187	$msg .= "\n"
132	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
133		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
134	LOG llevError, $msg;	193	LOG llevError, $msg;
135	};	194	};
136	}	195	}
137		196
138	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
139	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
140	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
141	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
142	@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';
143	@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)
144		204
145	# 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
146	# within the Safe compartment.	206	# within the Safe compartment.
147	for my $pkg (qw(	207	for my $pkg (qw(
148	cf::global cf::attachable	208	cf::global cf::attachable
…		…
157		217
158	$Event::DIED = sub {	218	$Event::DIED = sub {
159	warn "error in event callback: @_";	219	warn "error in event callback: @_";
160	};	220	};
161		221
162	my %ext_pkg;	222	#############################################################################
163	my @exts;
164	my @hook;
165		223
166	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
167		225
168	=over 4	226	=over 4
169		227
…		…
188	$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;
189	$d	247	$d
190	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
191	}	249	}
192		250
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
196		252
197	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
198		254
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
207		256
208	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
209		258
210	=cut	259	=cut
211		260
212	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
214	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
216		265
217	=item cf::lock_wait $string	266	=item cf::lock_wait $string
218		267
219	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
220		269
…		…
226	returned.	275	returned.
227		276
228	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
229	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
230		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
231	=cut	284	=cut
232		285
233	our %LOCK;	286	our %LOCK;
234		287
235	sub lock_wait($) {	288	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
256	}	309	}
257	}	310	}
258		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
259	sub freeze_mainloop {	318	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
261		320
262	my $guard = Coro::guard { $TICK_WATCHER->start };	321	my $guard = Coro::guard {
		322	$TICK_WATCHER->start;
		323	};
263	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
264	$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;
265	}	382	}
266		383
267	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
268		385
269	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		391
275	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
276		393
277	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
278		395
279	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)
280	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
281	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.
282		400
283	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
284	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
285	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
286	fast or be very important.	404	fast or be very important.
…		…
289		407
290	sub sync_job(&) {	408	sub sync_job(&) {
291	my ($job) = @_;	409	my ($job) = @_;
292		410
293	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
294	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
296		416
297	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
309		429
310	while ($busy) {	430	while ($busy) {
311	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
312	}	432	}
313		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
314	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
315	} else {	442	} else {
316	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
317		444
318	$job->()	445	$job->()
319	}	446	}
320	}	447	}
321		448
322	=item $coro = cf::async_ext { BLOCK }	449	=item $coro = cf::async_ext { BLOCK }
323		450
324	Like async, but this coro is automcatially being canceled when the	451	Like async, but this coro is automatically being canceled when the
325	extension calling this is being unloaded.	452	extension calling this is being unloaded.
326		453
327	=cut	454	=cut
328		455
329	sub async_ext(&) {	456	sub async_ext(&) {
…		…
337	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
338		465
339	$coro	466	$coro
340	}	467	}
341		468
342	sub write_runtime {	469	=item fork_call { }, $args
343	my $runtime = cf::localdir . "/runtime";
344		470
345	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
346	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.
347		475
348	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	476	=cut
349	(aio_write $fh, 0, (length $value), $value, 0) <= 0
350	and return;
351		477
352	aio_fsync $fh	478	sub fork_call(&@) {
353	and return;	479	my ($cb, @args) = @_;
354		480
355	close $fh	481	# we seemingly have to make a local copy of the whole thing,
356	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
357		484
358	aio_rename "$runtime~", $runtime	485	my @res = Coro::Util::fork_eval {
359	and return;	486	reset_signals;
		487	&$cb
		488	}, @args;
360		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	};
361	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 });
362	}	618	}
363		619
364	=back	620	=back
365		621
366	=cut	622	=cut
367
368	#############################################################################
369
370	package cf::path;
371
372	# used to convert map paths into valid unix filenames by repalcing / by ∕
373	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
374
375	sub new {
376	my ($class, $path, $base) = @_;
377
378	$path = $path->as_string if ref $path;
379
380	my $self = bless { }, $class;
381
382	# {... are special paths that are not touched
383	# ?xxx/... are special absolute paths
384	# ?random/... random maps
385	# /! non-realised random map exit
386	# /... normal maps
387	# ~/... per-player maps without a specific player (DO NOT USE)
388	# ~user/... per-player map of a specific user
389
390	if ($path =~ /^{/) {
391	# fine as it is
392	} elsif ($path =~ s{^\?random/}{}) {
393	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
394	$self->{random} = cf::from_json $data;
395	} else {
396	if ($path =~ s{^~([^/]+)?}{}) {
397	$self->{user_rel} = 1;
398
399	if (defined $1) {
400	$self->{user} = $1;
401	} elsif ($base =~ m{^~([^/]+)/}) {
402	$self->{user} = $1;
403	} else {
404	warn "cannot resolve user-relative path without user <$path,$base>\n";
405	}
406	} elsif ($path =~ /^\//) {
407	# already absolute
408	} else {
409	$base =~ s{[^/]+/?$}{};
410	return $class->new ("$base/$path");
411	}
412
413	for ($path) {
414	redo if s{/\.?/}{/};
415	redo if s{/[^/]+/\.\./}{/};
416	}
417	}
418
419	$self->{path} = $path;
420
421	$self
422	}
423
424	# the name / primary key / in-game path
425	sub as_string {
426	my ($self) = @_;
427
428	$self->{user_rel} ? "~$self->{user}$self->{path}"
429	: $self->{random} ? "?random/$self->{path}"
430	: $self->{path}
431	}
432
433	# the displayed name, this is a one way mapping
434	sub visible_name {
435	my ($self) = @_;
436
437	# if (my $rmp = $self->{random}) {
438	# # todo: be more intelligent about this
439	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
440	# } else {
441	$self->as_string
442	# }
443	}
444
445	# escape the /'s in the path
446	sub _escaped_path {
447	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
448	$path
449	}
450
451	# the original (read-only) location
452	sub load_path {
453	my ($self) = @_;
454
455	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
456	}
457
458	# the temporary/swap location
459	sub save_path {
460	my ($self) = @_;
461
462	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
463	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
464	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
465	}
466
467	# the unique path, might be eq to save_path
468	sub uniq_path {
469	my ($self) = @_;
470
471	$self->{user_rel} || $self->{random}
472	? undef
473	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
474	}
475
476	# return random map parameters, or undef
477	sub random_map_params {
478	my ($self) = @_;
479
480	$self->{random}
481	}
482
483	# this is somewhat ugly, but style maps do need special treatment
484	sub is_style_map {
485	$_[0]{path} =~ m{^/styles/}
486	}
487
488	package cf;
489		623
490	#############################################################################	624	#############################################################################
491		625
492	=head2 ATTACHABLE OBJECTS	626	=head2 ATTACHABLE OBJECTS
493		627
…		…
495	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")
496	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
497		631
498	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>
499	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
500	crossfire+).	634	Crossfire TRT).
501		635
502	=over 4	636	=over 4
503		637
504	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
505		639
…		…
619	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
620	our @CB_MAP = ();	754	our @CB_MAP = ();
621		755
622	my %attachment;	756	my %attachment;
623		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
624	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
625	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
626		766
627	use sort 'stable';	767	use sort 'stable';
628		768
…		…
662	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
663		803
664	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
665	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
666	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
667	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
668		808
669	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
670	my $pkg = shift @arg;	810	my $pkg = shift @arg;
671		811
672	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
701	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
702	}	842	}
703		843
704	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
705	} else {	845	} else {
706	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
707	}	847	}
708		848
709	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
710	}	850	}
711		851
…		…
713	if (ref $_[0]) {	853	if (ref $_[0]) {
714	_object_attach @_;	854	_object_attach @_;
715	} else {	855	} else {
716	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
717	}	857	}
		858	_recalc_want;
718	};	859	};
719		860
720	# all those should be optimised	861	# all those should be optimised
721	sub cf::attachable::detach {	862	sub cf::attachable::detach {
722	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
725	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
726	reattach ($obj);	867	reattach ($obj);
727	} else {	868	} else {
728	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
729	}	870	}
		871	_recalc_want;
730	};	872	};
731		873
732	sub cf::attachable::attached {	874	sub cf::attachable::attached {
733	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
734		876
…		…
749	";	891	";
750	die if $@;	892	die if $@;
751	}	893	}
752		894
753	our $override;	895	our $override;
754	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?
755		897
756	sub override {	898	sub override {
757	$override = 1;	899	$override = 1;
758	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
759	}	901	}
760		902
761	sub do_invoke {	903	sub do_invoke {
762	my $event = shift;	904	my $event = shift;
763	my $callbacks = shift;	905	my $callbacks = shift;
764		906
765	@invoke_results = ();	907	@INVOKE_RESULTS = ();
766		908
767	local $override;	909	local $override;
768		910
769	for (@$callbacks) {	911	for (@$callbacks) {
770	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
787		929
788	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
789		931
790	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
791	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
792	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
793		935
794	=back	936	=back
795		937
796	=cut	938	=cut
797		939
798	#############################################################################	940	#############################################################################
799	# 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	}
800		953
801	sub reattach {	954	sub reattach {
802	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
803	my ($obj) = @_;	956	my ($obj) = @_;
		957
		958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
804		959
805	my $registry = $obj->registry;	960	my $registry = $obj->registry;
806		961
807	@$registry = ();	962	@$registry = ();
808		963
…		…
855	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
856		1011
857	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
858	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
859	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
860	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
861	close $fh;	1016	close $fh;
862		1017
863	if (@$objs) {	1018	if (@$objs) {
864	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) {
865	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
866	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
867	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
868	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
869	close $fh;	1024	close $fh;
870	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
871	}	1026	}
872	} else {	1027	} else {
873	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
905	or return;	1060	or return;
906	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
907	}	1062	}
908		1063
909	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
910	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
911	return ($data, $av);	1066	return ($data, $av);
912	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
913		1074
914	#############################################################################	1075	#############################################################################
915	# command handling &c	1076	# command handling &c
916		1077
917	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
930	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
931	}	1092	}
932		1093
933	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
934		1095
935	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.
936		1101
937	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
938	called.	1103	called.
939		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
940	=cut	1116	=cut
941		1117
942	sub register_extcmd {	1118	sub register_extcmd {
943	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
944		1120
945	my $caller = caller;
946	#warn "registering extcmd '$name' to '$caller'";
947
948	$EXTCMD{$name} = [$cb, $caller];	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
949	}	1128	}
950		1129
951	cf::player->attach (	1130	cf::player->attach (
952	on_command => sub {	1131	on_command => sub {
953	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1141	cf::override;
963	},	1142	},
964	on_extcmd => sub {	1143	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
966		1145
967	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1147
969	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
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->[0]->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
972	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
973	}	1158	if $reply;
974	}	1159	}
975	} else {	1160	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1162	}
978		1163
979	cf::override;	1164	cf::override;
980	},	1165	},
981	);	1166	);
982		1167
983	sub register {
984	my ($base, $pkg) = @_;
985
986	#TODO
987	}
988
989	sub load_extension {
990	my ($path) = @_;
991
992	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
993	my $base = $1;
994	my $pkg = $1;
995	$pkg =~ s/[^[:word:]]/_/g;
996	$pkg = "ext::$pkg";
997
998	warn "loading '$path' into '$pkg'\n";
999
1000	open my $fh, "<:utf8", $path
1001	or die "$path: $!";
1002
1003	my $source =
1004	"package $pkg; use strict; use utf8;\n"
1005	. "#line 1 \"$path\"\n{\n"
1006	. (do { local $/; <$fh> })
1007	. "\n};\n1";
1008
1009	eval $source
1010	or die $@ ? "$path: $@\n"
1011	: "extension disabled.\n";
1012
1013	push @exts, $pkg;
1014	$ext_pkg{$base} = $pkg;
1015
1016	# no strict 'refs';
1017	# @{"$pkg\::ISA"} = ext::;
1018
1019	register $base, $pkg;
1020	}
1021
1022	sub unload_extension {
1023	my ($pkg) = @_;
1024
1025	warn "removing extension $pkg\n";
1026
1027	# remove hooks
1028	#TODO
1029	# for my $idx (0 .. $#PLUGIN_EVENT) {
1030	# delete $hook[$idx]{$pkg};
1031	# }
1032
1033	# remove commands
1034	for my $name (keys %COMMAND) {
1035	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1036
1037	if (@cb) {
1038	$COMMAND{$name} = \@cb;
1039	} else {
1040	delete $COMMAND{$name};
1041	}
1042	}
1043
1044	# remove extcmds
1045	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1046	delete $EXTCMD{$name};
1047	}
1048
1049	if (my $cb = $pkg->can ("unload")) {
1050	eval {
1051	$cb->($pkg);
1052	1
1053	} or warn "$pkg unloaded, but with errors: $@";
1054	}
1055
1056	Symbol::delete_package $pkg;
1057	}
1058
1059	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
1060	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
1061	next unless -r $ext;	1173	next unless -r $path;
1062	eval {	1174
1063	load_extension $ext;	1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
1064	1	1232	}
1065	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
1066	}	1238	};
1067	}	1239	}
1068		1240
1069	#############################################################################	1241	#############################################################################
1070	# load/save/clean perl data associated with a map
1071		1242
1072	*cf::mapsupport::on_clean = sub {	1243	=back
1073	my ($map) = @_;
1074
1075	my $path = $map->tmpname;
1076	defined $path or return;
1077
1078	unlink "$path.pst";
1079	};
1080
1081	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1082
1083	#############################################################################
1084		1244
1085	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
1086		1246
1087	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
1088		1248
…		…
1101	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
1102		1262
1103	=cut	1263	=cut
1104		1264
1105	sub playerdir($) {	1265	sub playerdir($) {
1106	cf::localdir	1266	"$PLAYERDIR/"
1107	. "/"
1108	. cf::playerdir
1109	. "/"
1110	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1111	}	1268	}
1112		1269
1113	sub path($) {	1270	sub path($) {
1114	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1115		1272
1116	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
1117	}	1274	}
1118		1275
1119	sub find_active($) {	1276	sub find_active($) {
1120	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
1121	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
1124		1281
1125	sub exists($) {	1282	sub exists($) {
1126	my ($login) = @_;	1283	my ($login) = @_;
1127		1284
1128	$cf::PLAYER{$login}	1285	$cf::PLAYER{$login}
1129	or cf::sync_job { !aio_stat $login }	1286	or cf::sync_job { !aio_stat path $login }
1130	}	1287	}
1131		1288
1132	sub find($) {	1289	sub find($) {
1133	return $cf::PLAYER{$_[0]} || do {	1290	return $cf::PLAYER{$_[0]} || do {
1134	my $login = $_[0];	1291	my $login = $_[0];
1135		1292
1136	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
1137		1294
1138	$cf::PLAYER{$_[0]} || do {	1295	$cf::PLAYER{$_[0]} || do {
		1296	# rename old playerfiles to new ones
		1297	#TODO: remove when no longer required
		1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1301	aio_unlink +(playerdir $login) . "/$login.pl";
		1302
1139	my $pl = load_pl path $login	1303	my $pl = load_pl path $login
1140	or return;	1304	or return;
1141	$cf::PLAYER{$login} = $pl	1305	$cf::PLAYER{$login} = $pl
1142	}	1306	}
1143	}	1307	}
…		…
1171	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1172		1336
1173	$self	1337	$self
1174	}	1338	}
1175		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
1176	=item $pl->quit_character	1350	=item $pl->quit_character
1177		1351
1178	Nukes the player without looking back. If logged in, the connection will	1352	Nukes the player without looking back. If logged in, the connection will
1179	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1180		1354
1181	=cut	1355	=cut
1182		1356
1183	sub quit_character {	1357	sub quit_character {
1184	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1185		1361
1186	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1187	$pl->password ("*"); # this should lock out the player until we nuked the dir	1363	$pl->password ("*"); # this should lock out the player until we nuked the dir
1188		1364
1189	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1194	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1195	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1196	aio_rename $path, $temp;	1372	aio_rename $path, $temp;
1197	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1198	$pl->destroy;	1374	$pl->destroy;
		1375
		1376	my $prefix = qr<^~\Q$name\E/>;
		1377
		1378	# nuke player maps
		1379	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1380
1199	IO::AIO::aio_rmtree $temp;	1381	IO::AIO::aio_rmtree $temp;
		1382	}
		1383
		1384	=item $pl->kick
		1385
		1386	Kicks a player out of the game. This destroys the connection.
		1387
		1388	=cut
		1389
		1390	sub kick {
		1391	my ($pl, $kicker) = @_;
		1392
		1393	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1394	$pl->killer ("kicked");
		1395	$pl->ns->destroy;
1200	}	1396	}
1201		1397
1202	=item cf::player::list_logins	1398	=item cf::player::list_logins
1203		1399
1204	Returns am arrayref of all valid playernames in the system, can take a	1400	Returns am arrayref of all valid playernames in the system, can take a
1205	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1206		1402
1207	=cut	1403	=cut
1208		1404
1209	sub list_logins {	1405	sub list_logins {
1210	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1211	or return [];	1407	or return [];
1212		1408
1213	my @logins;	1409	my @logins;
1214		1410
1215	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1224	\@logins	1420	\@logins
1225	}	1421	}
1226		1422
1227	=item $player->maps	1423	=item $player->maps
1228		1424
1229	Returns an arrayref of cf::path's of all maps that are private for this	1425	Returns an arrayref of map paths that are private for this
1230	player. May block.	1426	player. May block.
1231		1427
1232	=cut	1428	=cut
1233		1429
1234	sub maps($) {	1430	sub maps($) {
1235	my ($pl) = @_;	1431	my ($pl) = @_;
		1432
		1433	$pl = ref $pl ? $pl->ob->name : $pl;
1236		1434
1237	my $files = aio_readdir playerdir $pl	1435	my $files = aio_readdir playerdir $pl
1238	or return;	1436	or return;
1239		1437
1240	my @paths;	1438	my @paths;
1241		1439
1242	for (@$files) {	1440	for (@$files) {
1243	utf8::decode $_;	1441	utf8::decode $_;
1244	next if /\.(?:pl|pst)$/;	1442	next if /\.(?:pl|pst)$/;
1245	next unless /^$PATH_SEP/;	1443	next unless /^$PATH_SEP/o;
1246		1444
1247	s/$PATH_SEP/\//g;	1445	push @paths, cf::map::normalise "~$pl/$_";
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1249	}	1446	}
1250		1447
1251	\@paths	1448	\@paths
1252	}	1449	}
1253		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male|female> tags
		1472	|| s{G<([^>|]*)\|([^>]*)>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	|| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1255		1502
1256	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1257		1504
1258	=cut	1505	=cut
1259		1506
1260	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1262		1509
1263	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1264		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1265	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1266	}	1517	}
1267		1518
1268	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1269		1559
1270	=back	1560	=back
1271
1272		1561
1273	=head3 cf::map	1562	=head3 cf::map
1274		1563
1275	=over 4	1564	=over 4
1276		1565
…		…
1279	package cf::map;	1568	package cf::map;
1280		1569
1281	use Fcntl;	1570	use Fcntl;
1282	use Coro::AIO;	1571	use Coro::AIO;
1283		1572
		1573	use overload
		1574	'""' => \&as_string,
		1575	fallback => 1;
		1576
1284	our $MAX_RESET = 3600;	1577	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1578	our $DEFAULT_RESET = 3000;
1286		1579
1287	sub generate_random_map {	1580	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1581	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1582	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map	1583	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1587	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1588	$rmp->{xsize}, $rmp->{ysize},
1298	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1299	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1300	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1301	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1592	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region})	1594	(cf::region::find $rmp->{region}), $rmp->{custom}
		1595	)
		1596	}
		1597
		1598	=item cf::map->register ($regex, $prio)
		1599
		1600	Register a handler for the map path matching the given regex at the
		1601	givne priority (higher is better, built-in handlers have priority 0, the
		1602	default).
		1603
		1604	=cut
		1605
		1606	sub register {
		1607	my (undef, $regex, $prio) = @_;
		1608	my $pkg = caller;
		1609
		1610	no strict;
		1611	push @{"$pkg\::ISA"}, __PACKAGE__;
		1612
		1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1614	}
		1615
		1616	# also paths starting with '/'
		1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1618
		1619	sub thawer_merge {
		1620	my ($self, $merge) = @_;
		1621
		1622	# we have to keep some variables in memory intact
		1623	local $self->{path};
		1624	local $self->{load_path};
		1625
		1626	$self->SUPER::thawer_merge ($merge);
		1627	}
		1628
		1629	sub normalise {
		1630	my ($path, $base) = @_;
		1631
		1632	$path = "$path"; # make sure its a string
		1633
		1634	$path =~ s/\.map$//;
		1635
		1636	# map plan:
		1637	#
		1638	# /! non-realised random map exit (special hack!)
		1639	# {... are special paths that are not being touched
		1640	# ?xxx/... are special absolute paths
		1641	# ?random/... random maps
		1642	# /... normal maps
		1643	# ~user/... per-player map of a specific user
		1644
		1645	$path =~ s/$PATH_SEP/\//go;
		1646
		1647	# treat it as relative path if it starts with
		1648	# something that looks reasonable
		1649	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1650	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1651
		1652	$base =~ s{[^/]+/?$}{};
		1653	$path = "$base/$path";
		1654	}
		1655
		1656	for ($path) {
		1657	redo if s{//}{/};
		1658	redo if s{/\.?/}{/};
		1659	redo if s{/[^/]+/\.\./}{/};
		1660	}
		1661
		1662	$path
		1663	}
		1664
		1665	sub new_from_path {
		1666	my (undef, $path, $base) = @_;
		1667
		1668	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1669
		1670	$path = normalise $path, $base;
		1671
		1672	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1673	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1674	my $self = bless cf::map::new, $pkg;
		1675	$self->{path} = $path; $self->path ($path);
		1676	$self->init; # pass $1 etc.
		1677	return $self;
		1678	}
		1679	}
		1680
		1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1682	()
		1683	}
		1684
		1685	sub init {
		1686	my ($self) = @_;
		1687
		1688	$self
		1689	}
		1690
		1691	sub as_string {
		1692	my ($self) = @_;
		1693
		1694	"$self->{path}"
		1695	}
		1696
		1697	# the displayed name, this is a one way mapping
		1698	sub visible_name {
		1699	&as_string
		1700	}
		1701
		1702	# the original (read-only) location
		1703	sub load_path {
		1704	my ($self) = @_;
		1705
		1706	"$MAPDIR/$self->{path}.map"
		1707	}
		1708
		1709	# the temporary/swap location
		1710	sub save_path {
		1711	my ($self) = @_;
		1712
		1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1714	"$TMPDIR/$path.map"
		1715	}
		1716
		1717	# the unique path, undef == no special unique path
		1718	sub uniq_path {
		1719	my ($self) = @_;
		1720
		1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1722	"$UNIQUEDIR/$path"
1304	}	1723	}
1305		1724
1306	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1307	# all maps in C++...	1726	# all maps in C++...
1308	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1310		1729
1311	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1312	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1313	}	1732	}
1314		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
		1742	sub unlink_save {
		1743	my ($self) = @_;
		1744
		1745	utf8::encode (my $save = $self->save_path);
		1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1748	}
		1749
1315	sub try_load_header($) {	1750	sub load_header_from($) {
1316	my ($path) = @_;	1751	my ($self, $path) = @_;
1317		1752
1318	utf8::encode $path;	1753	utf8::encode $path;
1319	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
		1755	# or return;
		1756
		1757	$self->_load_header ($path)
1320	or return;	1758	or return;
1321		1759
1322	my $map = cf::map::new	1760	$self->{load_path} = $path;
		1761
		1762	1
		1763	}
		1764
		1765	sub load_header_orig {
		1766	my ($self) = @_;
		1767
		1768	$self->load_header_from ($self->load_path)
		1769	}
		1770
		1771	sub load_header_temp {
		1772	my ($self) = @_;
		1773
		1774	$self->load_header_from ($self->save_path)
		1775	}
		1776
		1777	sub prepare_temp {
		1778	my ($self) = @_;
		1779
		1780	$self->last_access ((delete $self->{last_access})
		1781	|| $cf::RUNTIME); #d#
		1782	# safety
		1783	$self->{instantiate_time} = $cf::RUNTIME
		1784	if $self->{instantiate_time} > $cf::RUNTIME;
		1785	}
		1786
		1787	sub prepare_orig {
		1788	my ($self) = @_;
		1789
		1790	$self->{load_original} = 1;
		1791	$self->{instantiate_time} = $cf::RUNTIME;
		1792	$self->last_access ($cf::RUNTIME);
		1793	$self->instantiate;
		1794	}
		1795
		1796	sub load_header {
		1797	my ($self) = @_;
		1798
		1799	if ($self->load_header_temp) {
		1800	$self->prepare_temp;
		1801	} else {
		1802	$self->load_header_orig
1323	or return;	1803	or return;
		1804	$self->prepare_orig;
		1805	}
1324		1806
1325	# for better error messages only, will be overwritten	1807	$self->{deny_reset} = 1
1326	$map->path ($path);	1808	if $self->no_reset;
1327		1809
1328	$map->load_header ($path)	1810	$self->default_region (cf::region::find_by_path $self->{path})
1329	or return;	1811	unless $self->default_region;
1330		1812
1331	$map->{load_path} = $path;	1813	1
1332
1333	$map
1334	}	1814	}
1335		1815
1336	sub find;	1816	sub find;
1337	sub find {	1817	sub find {
1338	my ($path, $origin) = @_;	1818	my ($path, $origin) = @_;
1339		1819
1340	#warn "find<$path,$origin>\n";#d#
1341
1342	$path = new cf::path $path, $origin && $origin->path;	1820	$path = normalise $path, $origin && $origin->path;
1343	my $key = $path->as_string;
1344		1821
1345	cf::lock_wait "map_find:$key";	1822	cf::lock_wait "map_find:$path";
1346		1823
1347	$cf::MAP{$key} || do {	1824	$cf::MAP{$path} || do {
1348	my $guard = cf::lock_acquire "map_find:$key";	1825	my $guard = cf::lock_acquire "map_find:$path";
1349		1826	my $map = new_from_path cf::map $path
1350	# do it the slow way
1351	my $map = try_load_header $path->save_path;
1352
1353	Coro::cede;
1354
1355	if ($map) {
1356	$map->last_access ((delete $map->{last_access})
1357	|| $cf::RUNTIME); #d#
1358	# safety
1359	$map->{instantiate_time} = $cf::RUNTIME
1360	if $map->{instantiate_time} > $cf::RUNTIME;
1361	} else {
1362	if (my $rmp = $path->random_map_params) {
1363	$map = generate_random_map $key, $rmp;
1364	} else {
1365	$map = try_load_header $path->load_path;
1366	}
1367
1368	$map or return;	1827	or return;
1369		1828
1370	$map->{load_original} = 1;
1371	$map->{instantiate_time} = $cf::RUNTIME;
1372	$map->last_access ($cf::RUNTIME);
1373	$map->instantiate;
1374
1375	# per-player maps become, after loading, normal maps
1376	$map->per_player (0) if $path->{user_rel};
1377	}
1378
1379	$map->path ($key);
1380	$map->{path} = $path;
1381	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1382		1830
1383	Coro::cede;	1831	$map->load_header
		1832	or return;
1384		1833
1385	if ($map->should_reset) {	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1835	# doing this can freeze the server in a sync job, obviously
		1836	#$cf::WAIT_FOR_TICK->wait;
1386	$map->reset;	1837	$map->reset;
1387	undef $guard;	1838	undef $guard;
1388	$map = find $path	1839	return find $path;
1389	or return;
1390	}	1840	}
1391		1841
1392	$cf::MAP{$key} = $map	1842	$cf::MAP{$path} = $map
1393	}	1843	}
1394	}	1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
1395		1848
1396	sub load {	1849	sub load {
1397	my ($self) = @_;	1850	my ($self) = @_;
1398		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
1399	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
1400	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1857	my $guard = cf::lock_acquire "map_load:$path";
1401		1858
1402	return if $self->in_memory != cf::MAP_SWAPPED;	1859	return if $self->in_memory != cf::MAP_SWAPPED;
1403		1860
1404	$self->in_memory (cf::MAP_LOADING);	1861	$self->in_memory (cf::MAP_LOADING);
1405		1862
1406	$self->alloc;	1863	$self->alloc;
		1864
		1865	$self->pre_load;
		1866	Coro::cede;
		1867
1407	$self->load_objects ($self->{load_path}, 1)	1868	$self->_load_objects ($self->{load_path}, 1)
1408	or return;	1869	or return;
1409		1870
1410	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1411	if delete $self->{load_original};	1872	if delete $self->{load_original};
1412		1873
1413	if (my $uniq = $path->uniq_path) {	1874	if (my $uniq = $self->uniq_path) {
1414	utf8::encode $uniq;	1875	utf8::encode $uniq;
1415	if (aio_open $uniq, O_RDONLY, 0) {	1876	if (aio_open $uniq, O_RDONLY, 0) {
1416	$self->clear_unique_items;	1877	$self->clear_unique_items;
1417	$self->load_objects ($uniq, 0);	1878	$self->_load_objects ($uniq, 0);
1418	}	1879	}
1419	}	1880	}
1420		1881
1421	Coro::cede;	1882	Coro::cede;
1422
1423	# now do the right thing for maps	1883	# now do the right thing for maps
1424	$self->link_multipart_objects;	1884	$self->link_multipart_objects;
1425
1426	if ($self->{path}->is_style_map) {
1427	$self->{deny_save} = 1;
1428	$self->{deny_reset} = 1;
1429	} else {
1430	$self->fix_auto_apply;
1431	$self->decay_objects;
1432	$self->update_buttons;
1433	$self->set_darkness_map;
1434	$self->difficulty ($self->estimate_difficulty)	1885	$self->difficulty ($self->estimate_difficulty)
1435	unless $self->difficulty;	1886	unless $self->difficulty;
		1887	Coro::cede;
		1888
		1889	unless ($self->{deny_activate}) {
		1890	$self->decay_objects;
		1891	$self->fix_auto_apply;
		1892	$self->update_buttons;
		1893	Coro::cede;
		1894	$self->set_darkness_map;
		1895	Coro::cede;
1436	$self->activate;	1896	$self->activate;
1437	}	1897	}
1438		1898
1439	Coro::cede;	1899	$self->{last_save} = $cf::RUNTIME;
		1900	$self->last_access ($cf::RUNTIME);
1440		1901
1441	$self->in_memory (cf::MAP_IN_MEMORY);	1902	$self->in_memory (cf::MAP_IN_MEMORY);
		1903	}
		1904
		1905	$self->post_load;
		1906	}
		1907
		1908	sub customise_for {
		1909	my ($self, $ob) = @_;
		1910
		1911	return find "~" . $ob->name . "/" . $self->{path}
		1912	if $self->per_player;
		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
		1916
		1917	$self
		1918	}
		1919
		1920	# find and load all maps in the 3x3 area around a map
		1921	sub load_diag {
		1922	my ($map) = @_;
		1923
		1924	my @diag; # diagonal neighbours
		1925
		1926	for (0 .. 3) {
		1927	my $neigh = $map->tile_path ($_)
		1928	or next;
		1929	$neigh = find $neigh, $map
		1930	or next;
		1931	$neigh->load;
		1932
		1933	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1934	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1935	}
		1936
		1937	for (@diag) {
		1938	my $neigh = find @$_
		1939	or next;
		1940	$neigh->load;
		1941	}
1442	}	1942	}
1443		1943
1444	sub find_sync {	1944	sub find_sync {
1445	my ($path, $origin) = @_;	1945	my ($path, $origin) = @_;
1446		1946
1447	cf::sync_job { cf::map::find $path, $origin }	1947	cf::sync_job { find $path, $origin }
1448	}	1948	}
1449		1949
1450	sub do_load_sync {	1950	sub do_load_sync {
1451	my ($map) = @_;	1951	my ($map) = @_;
1452		1952
1453	cf::sync_job { $map->load };	1953	cf::sync_job { $map->load };
1454	}	1954	}
1455		1955
		1956	our %MAP_PREFETCH;
		1957	our $MAP_PREFETCHER = undef;
		1958
		1959	sub find_async {
		1960	my ($path, $origin) = @_;
		1961
		1962	$path = normalise $path, $origin && $origin->{path};
		1963
		1964	if (my $map = $cf::MAP{$path}) {
		1965	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1966	}
		1967
		1968	undef $MAP_PREFETCH{$path};
		1969	$MAP_PREFETCHER ||= cf::async {
		1970	while (%MAP_PREFETCH) {
		1971	for my $path (keys %MAP_PREFETCH) {
		1972	if (my $map = find $path) {
		1973	$map->load;
		1974	}
		1975
		1976	delete $MAP_PREFETCH{$path};
		1977	}
		1978	}
		1979	undef $MAP_PREFETCHER;
		1980	};
		1981	$MAP_PREFETCHER->prio (6);
		1982
		1983	()
		1984	}
		1985
1456	sub save {	1986	sub save {
1457	my ($self) = @_;	1987	my ($self) = @_;
1458		1988
1459	my $lock = cf::lock_acquire "map_data:" . $self->path;	1989	my $lock = cf::lock_acquire "map_data:" . $self->path;
1460		1990
1461	$self->{last_save} = $cf::RUNTIME;	1991	$self->{last_save} = $cf::RUNTIME;
1462		1992
1463	return unless $self->dirty;	1993	return unless $self->dirty;
1464		1994
1465	my $save = $self->{path}->save_path; utf8::encode $save;	1995	my $save = $self->save_path; utf8::encode $save;
1466	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1996	my $uniq = $self->uniq_path; utf8::encode $uniq;
1467		1997
1468	$self->{load_path} = $save;	1998	$self->{load_path} = $save;
1469		1999
1470	return if $self->{deny_save};	2000	return if $self->{deny_save};
1471		2001
…		…
1474	cf::async {	2004	cf::async {
1475	$_->contr->save for $self->players;	2005	$_->contr->save for $self->players;
1476	};	2006	};
1477		2007
1478	if ($uniq) {	2008	if ($uniq) {
1479	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2009	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1480	$self->save_objects ($uniq, cf::IO_UNIQUES);	2010	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1481	} else {	2011	} else {
1482	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1483	}	2013	}
1484	}	2014	}
1485		2015
1486	sub swap_out {	2016	sub swap_out {
1487	my ($self) = @_;	2017	my ($self) = @_;
…		…
1501		2031
1502	sub reset_at {	2032	sub reset_at {
1503	my ($self) = @_;	2033	my ($self) = @_;
1504		2034
1505	# TODO: safety, remove and allow resettable per-player maps	2035	# TODO: safety, remove and allow resettable per-player maps
1506	return 1e99 if $self->{path}{user_rel};
1507	return 1e99 if $self->{deny_reset};	2036	return 1e99 if $self->{deny_reset};
1508		2037
1509	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2038	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1510	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2039	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1511		2040
…		…
1516	my ($self) = @_;	2045	my ($self) = @_;
1517		2046
1518	$self->reset_at <= $cf::RUNTIME	2047	$self->reset_at <= $cf::RUNTIME
1519	}	2048	}
1520		2049
1521	sub unlink_save {
1522	my ($self) = @_;
1523
1524	utf8::encode (my $save = $self->{path}->save_path);
1525	aioreq_pri 3; IO::AIO::aio_unlink $save;
1526	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1527	}
1528
1529	sub rename {
1530	my ($self, $new_path) = @_;
1531
1532	$self->unlink_save;
1533
1534	delete $cf::MAP{$self->path};
1535	$self->{path} = new cf::path $new_path;
1536	$self->path ($self->{path}->as_string);
1537	$cf::MAP{$self->path} = $self;
1538
1539	$self->save;
1540	}
1541
1542	sub reset {	2050	sub reset {
1543	my ($self) = @_;	2051	my ($self) = @_;
1544		2052
1545	my $lock = cf::lock_acquire "map_data:" . $self->path;	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1546		2054
1547	return if $self->players;	2055	return if $self->players;
1548	return if $self->{path}{user_rel};#d#
1549		2056
1550	warn "resetting map ", $self->path;#d#	2057	warn "resetting map ", $self->path;
		2058
		2059	$self->in_memory (cf::MAP_SWAPPED);
		2060
		2061	# need to save uniques path
		2062	unless ($self->{deny_save}) {
		2063	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2064
		2065	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2066	if $uniq;
		2067	}
1551		2068
1552	delete $cf::MAP{$self->path};	2069	delete $cf::MAP{$self->path};
		2070
		2071	$self->clear;
1553		2072
1554	$_->clear_links_to ($self) for values %cf::MAP;	2073	$_->clear_links_to ($self) for values %cf::MAP;
1555		2074
1556	$self->unlink_save;	2075	$self->unlink_save;
1557	$self->destroy;	2076	$self->destroy;
…		…
1560	my $nuke_counter = "aaaa";	2079	my $nuke_counter = "aaaa";
1561		2080
1562	sub nuke {	2081	sub nuke {
1563	my ($self) = @_;	2082	my ($self) = @_;
1564		2083
		2084	delete $cf::MAP{$self->path};
		2085
		2086	$self->unlink_save;
		2087
		2088	bless $self, "cf::map";
		2089	delete $self->{deny_reset};
1565	$self->{deny_save} = 1;	2090	$self->{deny_save} = 1;
1566	$self->reset_timeout (1);	2091	$self->reset_timeout (1);
1567	$self->rename ("{nuke}/" . ($nuke_counter++));	2092	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2093
		2094	$cf::MAP{$self->path} = $self;
		2095
1568	$self->reset; # polite request, might not happen	2096	$self->reset; # polite request, might not happen
1569	}	2097	}
1570		2098
1571	sub customise_for {	2099	=item $maps = cf::map::tmp_maps
1572	my ($map, $ob) = @_;
1573		2100
1574	if ($map->per_player) {	2101	Returns an arrayref with all map paths of currently instantiated and saved
1575	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2102	maps. May block.
		2103
		2104	=cut
		2105
		2106	sub tmp_maps() {
1576	}	2107	[
		2108	map {
		2109	utf8::decode $_;
		2110	/\.map$/
		2111	? normalise $_
		2112	: ()
		2113	} @{ aio_readdir $TMPDIR or [] }
		2114	]
		2115	}
1577		2116
1578	$map	2117	=item $maps = cf::map::random_maps
		2118
		2119	Returns an arrayref with all map paths of currently instantiated and saved
		2120	random maps. May block.
		2121
		2122	=cut
		2123
		2124	sub random_maps() {
		2125	[
		2126	map {
		2127	utf8::decode $_;
		2128	/\.map$/
		2129	? normalise "?random/$_"
		2130	: ()
		2131	} @{ aio_readdir $RANDOMDIR or [] }
		2132	]
		2133	}
		2134
		2135	=item cf::map::unique_maps
		2136
		2137	Returns an arrayref of paths of all shared maps that have
		2138	instantiated unique items. May block.
		2139
		2140	=cut
		2141
		2142	sub unique_maps() {
		2143	[
		2144	map {
		2145	utf8::decode $_;
		2146	/\.map$/
		2147	? normalise $_
		2148	: ()
		2149	} @{ aio_readdir $UNIQUEDIR or [] }
		2150	]
1579	}	2151	}
1580		2152
1581	package cf;	2153	package cf;
1582		2154
1583	=back	2155	=back
…		…
1629		2201
1630	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2202	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1631		2203
1632	if ($self->{record_replies}) {	2204	if ($self->{record_replies}) {
1633	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2205	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2206
1634	} else {	2207	} else {
		2208	my $pl = $self->contr;
		2209
		2210	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2211	my $dialog = $pl->{npc_dialog};
		2212	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2213
		2214	} else {
1635	$msg = $npc->name . " says: $msg" if $npc;	2215	$msg = $npc->name . " says: $msg" if $npc;
1636	$self->message ($msg, $flags);	2216	$self->message ($msg, $flags);
		2217	}
1637	}	2218	}
		2219	}
		2220
		2221	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2222
		2223	=cut
		2224
		2225	sub cf::object::send_msg {
		2226	my $pl = shift->contr
		2227	or return;
		2228	$pl->send_msg (@_);
1638	}	2229	}
1639		2230
1640	=item $player_object->may ("access")	2231	=item $player_object->may ("access")
1641		2232
1642	Returns wether the given player is authorized to access resource "access"	2233	Returns wether the given player is authorized to access resource "access"
…		…
1655		2246
1656	=item $player_object->enter_link	2247	=item $player_object->enter_link
1657		2248
1658	Freezes the player and moves him/her to a special map (C<{link}>).	2249	Freezes the player and moves him/her to a special map (C<{link}>).
1659		2250
1660	The player should be reaosnably safe there for short amounts of time. You	2251	The player should be reasonably safe there for short amounts of time. You
1661	I<MUST> call C<leave_link> as soon as possible, though.	2252	I<MUST> call C<leave_link> as soon as possible, though.
1662		2253
		2254	Will never block.
		2255
1663	=item $player_object->leave_link ($map, $x, $y)	2256	=item $player_object->leave_link ($map, $x, $y)
1664		2257
1665	Moves the player out of the specila link map onto the given map. If the	2258	Moves the player out of the special C<{link}> map onto the specified
1666	map is not valid (or omitted), the player will be moved back to the	2259	map. If the map is not valid (or omitted), the player will be moved back
1667	location he/she was before the call to C<enter_link>, or, if that fails,	2260	to the location he/she was before the call to C<enter_link>, or, if that
1668	to the emergency map position.	2261	fails, to the emergency map position.
1669		2262
1670	Might block.	2263	Might block.
1671		2264
1672	=cut	2265	=cut
		2266
		2267	sub link_map {
		2268	unless ($LINK_MAP) {
		2269	$LINK_MAP = cf::map::find "{link}"
		2270	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2271	$LINK_MAP->load;
		2272	}
		2273
		2274	$LINK_MAP
		2275	}
1673		2276
1674	sub cf::object::player::enter_link {	2277	sub cf::object::player::enter_link {
1675	my ($self) = @_;	2278	my ($self) = @_;
1676		2279
1677	$self->deactivate_recursive;	2280	$self->deactivate_recursive;
1678		2281
1679	return if $self->map == $LINK_MAP;	2282	return if UNIVERSAL::isa $self->map, "ext::map_link";
1680		2283
1681	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2284	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1682	if $self->map;	2285	if $self->map && $self->map->{path} ne "{link}";
1683		2286
1684	$self->enter_map ($LINK_MAP, 20, 20);	2287	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1685	}	2288	}
1686		2289
1687	sub cf::object::player::leave_link {	2290	sub cf::object::player::leave_link {
1688	my ($self, $map, $x, $y) = @_;	2291	my ($self, $map, $x, $y) = @_;
		2292
		2293	return unless $self->contr->active;
1689		2294
1690	my $link_pos = delete $self->{_link_pos};	2295	my $link_pos = delete $self->{_link_pos};
1691		2296
1692	unless ($map) {	2297	unless ($map) {
1693	# restore original map position	2298	# restore original map position
…		…
1707	# use -1 or undef as default coordinates, not 0, 0	2312	# use -1 or undef as default coordinates, not 0, 0
1708	($x, $y) = ($map->enter_x, $map->enter_y)	2313	($x, $y) = ($map->enter_x, $map->enter_y)
1709	if $x <=0 && $y <= 0;	2314	if $x <=0 && $y <= 0;
1710		2315
1711	$map->load;	2316	$map->load;
		2317	$map->load_diag;
1712		2318
1713	return unless $self->contr->active;	2319	return unless $self->contr->active;
1714	$self->activate_recursive;	2320	$self->activate_recursive;
		2321
		2322	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1715	$self->enter_map ($map, $x, $y);	2323	$self->enter_map ($map, $x, $y);
1716	}	2324	}
1717		2325
1718	cf::player->attach (	2326	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1719	on_logout => sub {
1720	my ($pl) = @_;
1721		2327
1722	# abort map switching before logout	2328	Moves the player to the given map-path and coordinates by first freezing
1723	if ($pl->ob->{_link_pos}) {	2329	her, loading and preparing them map, calling the provided $check callback
1724	cf::sync_job {	2330	that has to return the map if sucecssful, and then unfreezes the player on
1725	$pl->ob->leave_link	2331	the new (success) or old (failed) map position. In either case, $done will
1726	};	2332	be called at the end of this process.
1727	}
1728	},
1729	on_login => sub {
1730	my ($pl) = @_;
1731		2333
1732	# try to abort aborted map switching on player login :)
1733	# should happen only on crashes
1734	if ($pl->ob->{_link_pos}) {
1735	$pl->ob->enter_link;
1736	(async {
1737	# we need this sleep as the login has a concurrent enter_exit running
1738	# and this sleep increases chances of the player not ending up in scorn
1739	$pl->ob->reply (undef,
1740	"There was an internal problem at your last logout, "
1741	. "the server will try to bring you to your intended destination in a second.",
1742	cf::NDI_RED);
1743	Coro::Timer::sleep 1;
1744	$pl->ob->leave_link;
1745	})->prio (2);
1746	}
1747	},
1748	);
1749
1750	=item $player_object->goto ($path, $x, $y)
1751
1752	=cut	2334	=cut
		2335
		2336	our $GOTOGEN;
1753		2337
1754	sub cf::object::player::goto {	2338	sub cf::object::player::goto {
1755	my ($self, $path, $x, $y) = @_;	2339	my ($self, $path, $x, $y, $check, $done) = @_;
1756		2340
1757	$path = new cf::path $path;	2341	# do generation counting so two concurrent goto's will be executed in-order
1758	$path ne "/" or Carp::cluck ("oy");#d#	2342	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1759		2343
1760	$self->enter_link;	2344	$self->enter_link;
1761		2345
1762	(async {	2346	(async {
		2347	my $map = eval {
1763	my $map = cf::map::find $path->as_string;	2348	my $map = cf::map::find $path;
		2349
		2350	if ($map) {
1764	$map = $map->customise_for ($self) if $map;	2351	$map = $map->customise_for ($self);
1765		2352	$map = $check->($map) if $check && $map;
1766	# warn "entering ", $map->path, " at ($x, $y)\n"	2353	} else {
1767	# if $map;
1768
1769	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2354	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2355	}
1770		2356
		2357	$map
		2358	};
		2359
		2360	if ($@) {
		2361	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2362	LOG llevError | logBacktrace, Carp::longmess $@;
		2363	}
		2364
		2365	if ($gen == $self->{_goto_generation}) {
		2366	delete $self->{_goto_generation};
1771	$self->leave_link ($map, $x, $y);	2367	$self->leave_link ($map, $x, $y);
		2368	}
		2369
		2370	$done->() if $done;
1772	})->prio (1);	2371	})->prio (1);
1773	}	2372	}
1774		2373
1775	=item $player_object->enter_exit ($exit_object)	2374	=item $player_object->enter_exit ($exit_object)
1776		2375
…		…
1778		2377
1779	sub parse_random_map_params {	2378	sub parse_random_map_params {
1780	my ($spec) = @_;	2379	my ($spec) = @_;
1781		2380
1782	my $rmp = { # defaults	2381	my $rmp = { # defaults
1783	xsize => 10,	2382	xsize => (cf::rndm 15, 40),
1784	ysize => 10,	2383	ysize => (cf::rndm 15, 40),
		2384	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2385	#layout => string,
1785	};	2386	};
1786		2387
1787	for (split /\n/, $spec) {	2388	for (split /\n/, $spec) {
1788	my ($k, $v) = split /\s+/, $_, 2;	2389	my ($k, $v) = split /\s+/, $_, 2;
1789		2390
…		…
1793	$rmp	2394	$rmp
1794	}	2395	}
1795		2396
1796	sub prepare_random_map {	2397	sub prepare_random_map {
1797	my ($exit) = @_;	2398	my ($exit) = @_;
		2399
		2400	my $guard = cf::lock_acquire "exit_prepare:$exit";
1798		2401
1799	# all this does is basically replace the /! path by	2402	# all this does is basically replace the /! path by
1800	# a new random map path (?random/...) with a seed	2403	# a new random map path (?random/...) with a seed
1801	# that depends on the exit object	2404	# that depends on the exit object
1802		2405
1803	my $rmp = parse_random_map_params $exit->msg;	2406	my $rmp = parse_random_map_params $exit->msg;
1804		2407
1805	if ($exit->map) {	2408	if ($exit->map) {
1806	$rmp->{region} = $exit->map->region_name;	2409	$rmp->{region} = $exit->region->name;
1807	$rmp->{origin_map} = $exit->map->path;	2410	$rmp->{origin_map} = $exit->map->path;
1808	$rmp->{origin_x} = $exit->x;	2411	$rmp->{origin_x} = $exit->x;
1809	$rmp->{origin_y} = $exit->y;	2412	$rmp->{origin_y} = $exit->y;
1810	}	2413	}
1811		2414
1812	$rmp->{random_seed} ||= $exit->random_seed;	2415	$rmp->{random_seed} ||= $exit->random_seed;
1813		2416
1814	my $data = cf::to_json $rmp;	2417	my $data = cf::to_json $rmp;
1815	my $md5 = Digest::MD5::md5_hex $data;	2418	my $md5 = Digest::MD5::md5_hex $data;
		2419	my $meta = "$RANDOMDIR/$md5.meta";
1816		2420
1817	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2421	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1818	aio_write $fh, 0, (length $data), $data, 0;	2422	aio_write $fh, 0, (length $data), $data, 0;
		2423	undef $fh;
		2424	aio_rename "$meta~", $meta;
1819		2425
1820	$exit->slaying ("?random/$md5");	2426	$exit->slaying ("?random/$md5");
1821	$exit->msg (undef);	2427	$exit->msg (undef);
1822	}	2428	}
1823	}	2429	}
…		…
1825	sub cf::object::player::enter_exit {	2431	sub cf::object::player::enter_exit {
1826	my ($self, $exit) = @_;	2432	my ($self, $exit) = @_;
1827		2433
1828	return unless $self->type == cf::PLAYER;	2434	return unless $self->type == cf::PLAYER;
1829		2435
		2436	if ($exit->slaying eq "/!") {
		2437	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2438	# the problem is that $exit might not survive long enough
		2439	# so it needs to be done right now, right here
		2440	cf::sync_job { prepare_random_map $exit };
		2441	}
		2442
		2443	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2444	my $hp = $exit->stats->hp;
		2445	my $sp = $exit->stats->sp;
		2446
1830	$self->enter_link;	2447	$self->enter_link;
		2448
		2449	# if exit is damned, update players death & WoR home-position
		2450	$self->contr->savebed ($slaying, $hp, $sp)
		2451	if $exit->flag (FLAG_DAMNED);
1831		2452
1832	(async {	2453	(async {
1833	$self->deactivate_recursive; # just to be sure	2454	$self->deactivate_recursive; # just to be sure
1834	unless (eval {	2455	unless (eval {
1835	prepare_random_map $exit	2456	$self->goto ($slaying, $hp, $sp);
1836	if $exit->slaying eq "/!";
1837
1838	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1839	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1840		2457
1841	1;	2458	1;
1842	}) {	2459	}) {
1843	$self->message ("Something went wrong deep within the crossfire server. "	2460	$self->message ("Something went wrong deep within the crossfire server. "
1844	. "I'll try to bring you back to the map you were before. "	2461	. "I'll try to bring you back to the map you were before. "
1845	. "Please report this to the dungeon master",	2462	. "Please report this to the dungeon master!",
1846	cf::NDI_UNIQUE | cf::NDI_RED);	2463	cf::NDI_UNIQUE | cf::NDI_RED);
1847		2464
1848	warn "ERROR in enter_exit: $@";	2465	warn "ERROR in enter_exit: $@";
1849	$self->leave_link;	2466	$self->leave_link;
1850	}	2467	}
1851	})->prio (1);	2468	})->prio (1);
…		…
1864		2481
1865	sub cf::client::send_drawinfo {	2482	sub cf::client::send_drawinfo {
1866	my ($self, $text, $flags) = @_;	2483	my ($self, $text, $flags) = @_;
1867		2484
1868	utf8::encode $text;	2485	utf8::encode $text;
1869	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2486	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1870	}	2487	}
1871		2488
		2489	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2490
		2491	Send a drawinfo or msg packet to the client, formatting the msg for the
		2492	client if neccessary. C<$type> should be a string identifying the type of
		2493	the message, with C<log> being the default. If C<$color> is negative, suppress
		2494	the message unless the client supports the msg packet.
		2495
		2496	=cut
		2497
		2498	sub cf::client::send_msg {
		2499	my ($self, $channel, $msg, $color, @extra) = @_;
		2500
		2501	$msg = $self->pl->expand_cfpod ($msg);
		2502
		2503	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2504
		2505	if (ref $channel) {
		2506	# send meta info to client, if not yet sent
		2507	unless (exists $self->{channel}{$channel->{id}}) {
		2508	$self->{channel}{$channel->{id}} = $channel;
		2509	$self->ext_msg (channel_info => $channel);
		2510	}
		2511
		2512	$channel = $channel->{id};
		2513	}
		2514
		2515	return unless @extra || length $msg;
		2516
		2517	if ($self->can_msg) {
		2518	# default colour, mask it out
		2519	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2520	if $color & cf::NDI_DEF;
		2521
		2522	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2523	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2524	} else {
		2525	if ($color >= 0) {
		2526	# replace some tags by gcfclient-compatible ones
		2527	for ($msg) {
		2528	1 while
		2529	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2530	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2531	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2532	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2533	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2534	}
		2535
		2536	$color &= cf::NDI_COLOR_MASK;
		2537
		2538	utf8::encode $msg;
		2539
		2540	if (0 && $msg =~ /\[/) {
		2541	# COMMAND/INFO
		2542	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2543	} else {
		2544	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2545	$self->send_packet ("drawinfo $color $msg")
		2546	}
		2547	}
		2548	}
		2549	}
		2550
		2551	=item $client->ext_msg ($type, @msg)
		2552
		2553	Sends an ext event to the client.
		2554
		2555	=cut
		2556
		2557	sub cf::client::ext_msg($$@) {
		2558	my ($self, $type, @msg) = @_;
		2559
		2560	my $extcmd = $self->extcmd;
		2561
		2562	if ($extcmd == 2) {
		2563	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2564	} elsif ($extcmd == 1) { # TODO: remove
		2565	push @msg, msgtype => "event_$type";
		2566	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2567	}
		2568	}
1872		2569
1873	=item $success = $client->query ($flags, "text", \&cb)	2570	=item $success = $client->query ($flags, "text", \&cb)
1874		2571
1875	Queues a query to the client, calling the given callback with	2572	Queues a query to the client, calling the given callback with
1876	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2573	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1877	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2574	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1878		2575
1879	Queries can fail, so check the return code. Or don't, as queries will become	2576	Queries can fail, so check the return code. Or don't, as queries will
1880	reliable at some point in the future.	2577	become reliable at some point in the future.
1881		2578
1882	=cut	2579	=cut
1883		2580
1884	sub cf::client::query {	2581	sub cf::client::query {
1885	my ($self, $flags, $text, $cb) = @_;	2582	my ($self, $flags, $text, $cb) = @_;
…		…
1893	utf8::encode $text;	2590	utf8::encode $text;
1894	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2591	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1895		2592
1896	$self->send_packet ($self->{query_queue}[0][0])	2593	$self->send_packet ($self->{query_queue}[0][0])
1897	if @{ $self->{query_queue} } == 1;	2594	if @{ $self->{query_queue} } == 1;
		2595
		2596	1
1898	}	2597	}
1899		2598
1900	cf::client->attach (	2599	cf::client->attach (
		2600	on_connect => sub {
		2601	my ($ns) = @_;
		2602
		2603	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2604	},
1901	on_reply => sub {	2605	on_reply => sub {
1902	my ($ns, $msg) = @_;	2606	my ($ns, $msg) = @_;
1903		2607
1904	# this weird shuffling is so that direct followup queries	2608	# this weird shuffling is so that direct followup queries
1905	# get handled first	2609	# get handled first
1906	my $queue = delete $ns->{query_queue}	2610	my $queue = delete $ns->{query_queue}
1907	or return; # be conservative, not sure how that can happen, but we saw a crash here	2611	or return; # be conservative, not sure how that can happen, but we saw a crash here
1908		2612
1909	(shift @$queue)->[1]->($msg);	2613	(shift @$queue)->[1]->($msg);
		2614	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1910		2615
1911	push @{ $ns->{query_queue} }, @$queue;	2616	push @{ $ns->{query_queue} }, @$queue;
1912		2617
1913	if (@{ $ns->{query_queue} } == @$queue) {	2618	if (@{ $ns->{query_queue} } == @$queue) {
1914	if (@$queue) {	2619	if (@$queue) {
…		…
1916	} else {	2621	} else {
1917	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2622	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1918	}	2623	}
1919	}	2624	}
1920	},	2625	},
		2626	on_exticmd => sub {
		2627	my ($ns, $buf) = @_;
		2628
		2629	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2630
		2631	if (ref $msg) {
		2632	my ($type, $reply, @payload) =
		2633	"ARRAY" eq ref $msg
		2634	? @$msg
		2635	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2636
		2637	if (my $cb = $EXTICMD{$type}) {
		2638	my @reply = $cb->($ns, @payload);
		2639
		2640	$ns->ext_reply ($reply, @reply)
		2641	if $reply;
		2642	}
		2643	} else {
		2644	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2645	}
		2646
		2647	cf::override;
		2648	},
1921	);	2649	);
1922		2650
1923	=item $client->async (\&cb)	2651	=item $client->async (\&cb)
1924		2652
1925	Create a new coroutine, running the specified callback. The coroutine will	2653	Create a new coroutine, running the specified callback. The coroutine will
…		…
1966	our $safe = new Safe "safe";	2694	our $safe = new Safe "safe";
1967	our $safe_hole = new Safe::Hole;	2695	our $safe_hole = new Safe::Hole;
1968		2696
1969	$SIG{FPE} = 'IGNORE';	2697	$SIG{FPE} = 'IGNORE';
1970		2698
1971	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2699	$safe->permit_only (Opcode::opset qw(
		2700	:base_core :base_mem :base_orig :base_math
		2701	grepstart grepwhile mapstart mapwhile
		2702	sort time
		2703	));
1972		2704
1973	# here we export the classes and methods available to script code	2705	# here we export the classes and methods available to script code
1974		2706
1975	=pod	2707	=pod
1976		2708
1977	The following fucntions and emthods are available within a safe environment:	2709	The following functions and methods are available within a safe environment:
1978		2710
1979	cf::object contr pay_amount pay_player map	2711	cf::object
		2712	contr pay_amount pay_player map x y force_find force_add
		2713	insert remove name archname title slaying race
		2714
1980	cf::object::player player	2715	cf::object::player
1981	cf::player peaceful	2716	player
1982	cf::map trigger	2717
		2718	cf::player
		2719	peaceful
		2720
		2721	cf::map
		2722	trigger
1983		2723
1984	=cut	2724	=cut
1985		2725
1986	for (	2726	for (
1987	["cf::object" => qw(contr pay_amount pay_player map)],	2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2728	insert remove inv name archname title slaying race)],
1988	["cf::object::player" => qw(player)],	2729	["cf::object::player" => qw(player)],
1989	["cf::player" => qw(peaceful)],	2730	["cf::player" => qw(peaceful)],
1990	["cf::map" => qw(trigger)],	2731	["cf::map" => qw(trigger)],
1991	) {	2732	) {
1992	no strict 'refs';	2733	no strict 'refs';
…		…
2063	=back	2804	=back
2064		2805
2065	=cut	2806	=cut
2066		2807
2067	#############################################################################	2808	#############################################################################
		2809	# the server's init and main functions
2068		2810
2069	=head2 EXTENSION DATABASE SUPPORT	2811	sub load_facedata($) {
		2812	my ($path) = @_;
2070		2813
2071	Crossfire maintains a very simple database for extension use. It can	2814	warn "loading facedata from $path\n";
2072	currently store anything that can be serialised using Storable, which
2073	excludes objects.
2074		2815
2075	The parameter C<$family> should best start with the name of the extension	2816	my $facedata;
2076	using it, it should be unique.	2817	0 < aio_load $path, $facedata
		2818	or die "$path: $!";
2077		2819
2078	=over 4	2820	$facedata = Coro::Storable::thaw $facedata;
2079		2821
2080	=item $hashref = cf::db_get $family	2822	$facedata->{version} == 2
		2823	or cf::cleanup "$path: version mismatch, cannot proceed.";
2081		2824
2082	Return a hashref for use by the extension C<$family>, which can be
2083	modified. After modifications, you have to call C<cf::db_dirty> or
2084	C<cf::db_sync>.
2085
2086	=item $value = cf::db_get $family => $key
2087
2088	Returns a single value from the database
2089
2090	=item cf::db_put $family => $hashref
2091
2092	Stores the given family hashref into the database. Updates are delayed, if
2093	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2094
2095	=item cf::db_put $family => $key => $value
2096
2097	Stores the given C<$value> in the family hash. Updates are delayed, if you
2098	want the data to be synced to disk immediately, use C<cf::db_sync>.
2099
2100	=item cf::db_dirty
2101
2102	Marks the database as dirty, to be updated at a later time.
2103
2104	=item cf::db_sync
2105
2106	Immediately write the database to disk I<if it is dirty>.
2107
2108	=cut
2109
2110	our $DB;
2111
2112	{
2113	my $path = cf::localdir . "/database.pst";
2114
2115	sub db_load() {
2116	$DB = stat $path ? Storable::retrieve $path : { };
2117	}	2825	{
		2826	my $faces = $facedata->{faceinfo};
2118		2827
2119	my $pid;	2828	while (my ($face, $info) = each %$faces) {
		2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2830	cf::face::set_visibility $idx, $info->{visibility};
		2831	cf::face::set_magicmap $idx, $info->{magicmap};
		2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2120		2834
2121	sub db_save() {	2835	cf::cede_to_tick;
2122	waitpid $pid, 0 if $pid;
2123	if (0 == ($pid = fork)) {
2124	$DB->{_meta}{version} = 1;
2125	Storable::nstore $DB, "$path~";
2126	rename "$path~", $path;
2127	cf::_exit 0 if defined $pid;
2128	}
2129	}
2130
2131	my $dirty;
2132
2133	sub db_sync() {
2134	db_save if $dirty;
2135	undef $dirty;
2136	}
2137
2138	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2139	db_sync;
2140	});
2141
2142	sub db_dirty() {
2143	$dirty = 1;
2144	$idle->start;
2145	}
2146
2147	sub db_get($;$) {
2148	@_ >= 2
2149	? $DB->{$_[0]}{$_[1]}
2150	: ($DB->{$_[0]} ||= { })
2151	}
2152
2153	sub db_put($$;$) {
2154	if (@_ >= 3) {
2155	$DB->{$_[0]}{$_[1]} = $_[2];
2156	} else {
2157	$DB->{$_[0]} = $_[1];
2158	}
2159	db_dirty;
2160	}
2161
2162	cf::global->attach (
2163	prio => 10000,
2164	on_cleanup => sub {
2165	db_sync;
2166	},	2836	}
2167	);
2168	}
2169		2837
2170	#############################################################################	2838	while (my ($face, $info) = each %$faces) {
2171	# the server's main()	2839	next unless $info->{smooth};
		2840	my $idx = cf::face::find $face
		2841	or next;
		2842	if (my $smooth = cf::face::find $info->{smooth}) {
		2843	cf::face::set_smooth $idx, $smooth;
		2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2845	} else {
		2846	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2847	}
		2848
		2849	cf::cede_to_tick;
		2850	}
		2851	}
		2852
		2853	{
		2854	my $anims = $facedata->{animinfo};
		2855
		2856	while (my ($anim, $info) = each %$anims) {
		2857	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2858	cf::cede_to_tick;
		2859	}
		2860
		2861	cf::anim::invalidate_all; # d'oh
		2862	}
		2863
		2864	{
		2865	# TODO: for gcfclient pleasure, we should give resources
		2866	# that gcfclient doesn't grok a >10000 face index.
		2867	my $res = $facedata->{resource};
		2868	my $enc = JSON::XS->new->utf8->canonical;
		2869
		2870	my $soundconf = delete $res->{"res/sound.conf"};
		2871
		2872	while (my ($name, $info) = each %$res) {
		2873	my $meta = $enc->encode ({
		2874	name => $name,
		2875	%{ $info->{meta} || {} },
		2876	});
		2877
		2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2879
		2880	if ($info->{type} & 1) {
		2881	# prepend meta info
		2882
		2883	my $data = pack "(w/a*)*", $meta, $info->{data};
		2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2885
		2886	cf::face::set_data $idx, 0, $data, $chk;
		2887	} else {
		2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2889	}
		2890
		2891	cf::face::set_type $idx, $info->{type};
		2892
		2893	cf::cede_to_tick;
		2894	}
		2895
		2896	if ($soundconf) {
		2897	$soundconf = $enc->decode (delete $soundconf->{data});
		2898
		2899	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2900	my $sound = $soundconf->{compat}[$_]
		2901	or next;
		2902
		2903	my $face = cf::face::find "sound/$sound->[1]";
		2904	cf::sound::set $sound->[0] => $face;
		2905	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2906	}
		2907
		2908	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2909	my $face = cf::face::find "sound/$v";
		2910	cf::sound::set $k => $face;
		2911	}
		2912	}
		2913	}
		2914
		2915	1
		2916	}
		2917
		2918	register_exticmd fx_want => sub {
		2919	my ($ns, $want) = @_;
		2920
		2921	while (my ($k, $v) = each %$want) {
		2922	$ns->fx_want ($k, $v);
		2923	}
		2924	};
		2925
		2926	sub reload_regions {
		2927	load_resource_file "$MAPDIR/regions"
		2928	or die "unable to load regions file\n";
		2929
		2930	for (cf::region::list) {
		2931	$_->{match} = qr/$_->{match}/
		2932	if exists $_->{match};
		2933	}
		2934	}
		2935
		2936	sub reload_facedata {
		2937	load_facedata "$DATADIR/facedata"
		2938	or die "unable to load facedata\n";
		2939	}
		2940
		2941	sub reload_archetypes {
		2942	load_resource_file "$DATADIR/archetypes"
		2943	or die "unable to load archetypes\n";
		2944	#d# NEED to laod twice to resolve forward references
		2945	# this really needs to be done in an extra post-pass
		2946	# (which needs to be synchronous, so solve it differently)
		2947	load_resource_file "$DATADIR/archetypes"
		2948	or die "unable to load archetypes\n";
		2949	}
		2950
		2951	sub reload_treasures {
		2952	load_resource_file "$DATADIR/treasures"
		2953	or die "unable to load treasurelists\n";
		2954	}
		2955
		2956	sub reload_resources {
		2957	warn "reloading resource files...\n";
		2958
		2959	reload_regions;
		2960	reload_facedata;
		2961	#reload_archetypes;#d#
		2962	reload_archetypes;
		2963	reload_treasures;
		2964
		2965	warn "finished reloading resource files\n";
		2966	}
		2967
		2968	sub init {
		2969	reload_resources;
		2970	}
2172		2971
2173	sub cfg_load {	2972	sub cfg_load {
2174	open my $fh, "<:utf8", cf::confdir . "/config"	2973	open my $fh, "<:utf8", "$CONFDIR/config"
2175	or return;	2974	or return;
2176		2975
2177	local $/;	2976	local $/;
2178	*CFG = YAML::Syck::Load <$fh>;	2977	*CFG = YAML::Syck::Load <$fh>;
2179		2978
…		…
2193		2992
2194	sub main {	2993	sub main {
2195	# we must not ever block the main coroutine	2994	# we must not ever block the main coroutine
2196	local $Coro::idle = sub {	2995	local $Coro::idle = sub {
2197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2996	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2997	(async {
2198	async { Event::one_event };	2998	Event::one_event;
		2999	})->prio (Coro::PRIO_MAX);
2199	};	3000	};
2200		3001
2201	cfg_load;	3002	cfg_load;
2202	db_load;	3003	db_init;
2203	load_extensions;	3004	load_extensions;
		3005
		3006	$TICK_WATCHER->start;
2204	Event::loop;	3007	Event::loop;
2205	}	3008	}
2206		3009
2207	#############################################################################	3010	#############################################################################
2208	# initialisation and cleanup	3011	# initialisation and cleanup
2209		3012
2210	# install some emergency cleanup handlers	3013	# install some emergency cleanup handlers
2211	BEGIN {	3014	BEGIN {
2212	for my $signal (qw(INT HUP TERM)) {	3015	for my $signal (qw(INT HUP TERM)) {
2213	Event->signal (	3016	Event->signal (
		3017	reentrant => 0,
2214	data => WF_AUTOCANCEL,	3018	data => WF_AUTOCANCEL,
2215	signal => $signal,	3019	signal => $signal,
		3020	prio => 0,
2216	cb => sub {	3021	cb => sub {
2217	cf::cleanup "SIG$signal";	3022	cf::cleanup "SIG$signal";
2218	},	3023	},
2219	);	3024	);
2220	}	3025	}
2221	}	3026	}
2222		3027
		3028	sub write_runtime {
		3029	my $runtime = "$LOCALDIR/runtime";
		3030
		3031	# first touch the runtime file to show we are still running:
		3032	# the fsync below can take a very very long time.
		3033
		3034	IO::AIO::aio_utime $runtime, undef, undef;
		3035
		3036	my $guard = cf::lock_acquire "write_runtime";
		3037
		3038	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3039	or return;
		3040
		3041	my $value = $cf::RUNTIME + 90 + 10;
		3042	# 10 is the runtime save interval, for a monotonic clock
		3043	# 60 allows for the watchdog to kill the server.
		3044
		3045	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3046	and return;
		3047
		3048	# always fsync - this file is important
		3049	aio_fsync $fh
		3050	and return;
		3051
		3052	# touch it again to show we are up-to-date
		3053	aio_utime $fh, undef, undef;
		3054
		3055	close $fh
		3056	or return;
		3057
		3058	aio_rename "$runtime~", $runtime
		3059	and return;
		3060
		3061	warn "runtime file written.\n";
		3062
		3063	1
		3064	}
		3065
2223	sub emergency_save {	3066	sub emergency_save() {
2224	my $freeze_guard = cf::freeze_mainloop;	3067	my $freeze_guard = cf::freeze_mainloop;
2225		3068
2226	warn "enter emergency perl save\n";	3069	warn "enter emergency perl save\n";
2227		3070
2228	cf::sync_job {	3071	cf::sync_job {
2229	# use a peculiar iteration method to avoid tripping on perl	3072	# use a peculiar iteration method to avoid tripping on perl
2230	# refcount bugs in for. also avoids problems with players	3073	# refcount bugs in for. also avoids problems with players
2231	# and maps saved/Destroyed asynchronously.	3074	# and maps saved/destroyed asynchronously.
2232	warn "begin emergency player save\n";	3075	warn "begin emergency player save\n";
2233	for my $login (keys %cf::PLAYER) {	3076	for my $login (keys %cf::PLAYER) {
2234	my $pl = $cf::PLAYER{$login} or next;	3077	my $pl = $cf::PLAYER{$login} or next;
2235	$pl->valid or next;	3078	$pl->valid or next;
2236	$pl->save;	3079	$pl->save;
…		…
2242	my $map = $cf::MAP{$path} or next;	3085	my $map = $cf::MAP{$path} or next;
2243	$map->valid or next;	3086	$map->valid or next;
2244	$map->save;	3087	$map->save;
2245	}	3088	}
2246	warn "end emergency map save\n";	3089	warn "end emergency map save\n";
		3090
		3091	warn "begin emergency database checkpoint\n";
		3092	BDB::db_env_txn_checkpoint $DB_ENV;
		3093	warn "end emergency database checkpoint\n";
2247	};	3094	};
2248		3095
2249	warn "leave emergency perl save\n";	3096	warn "leave emergency perl save\n";
2250	}	3097	}
2251		3098
		3099	sub post_cleanup {
		3100	my ($make_core) = @_;
		3101
		3102	warn Carp::longmess "post_cleanup backtrace"
		3103	if $make_core;
		3104	}
		3105
2252	sub reload() {	3106	sub do_reload_perl() {
2253	# can/must only be called in main	3107	# can/must only be called in main
2254	if ($Coro::current != $Coro::main) {	3108	if ($Coro::current != $Coro::main) {
2255	warn "can only reload from main coroutine\n";	3109	warn "can only reload from main coroutine";
2256	return;	3110	return;
2257	}	3111	}
2258		3112
2259	warn "reloading...";	3113	warn "reloading...";
2260		3114
2261	my $guard = freeze_mainloop;	3115	warn "entering sync_job";
		3116
		3117	cf::sync_job {
		3118	cf::write_runtime; # external watchdog should not bark
2262	cf::emergency_save;	3119	cf::emergency_save;
		3120	cf::write_runtime; # external watchdog should not bark
2263		3121
2264	eval {	3122	warn "syncing database to disk";
		3123	BDB::db_env_txn_checkpoint $DB_ENV;
		3124
2265	# if anything goes wrong in here, we should simply crash as we already saved	3125	# if anything goes wrong in here, we should simply crash as we already saved
2266		3126
2267	# cancel all watchers	3127	warn "cancelling all WF_AUTOCANCEL watchers";
2268	for (Event::all_watchers) {	3128	for (Event::all_watchers) {
2269	$_->cancel if $_->data & WF_AUTOCANCEL;	3129	$_->cancel if $_->data & WF_AUTOCANCEL;
2270	}	3130	}
2271		3131
		3132	warn "flushing outstanding aio requests";
		3133	for (;;) {
		3134	BDB::flush;
		3135	IO::AIO::flush;
		3136	Coro::cede;
		3137	last unless IO::AIO::nreqs || BDB::nreqs;
		3138	warn "iterate...";
		3139	}
		3140
		3141	++$RELOAD;
		3142
2272	# cancel all extension coros	3143	warn "cancelling all extension coros";
2273	$_->cancel for values %EXT_CORO;	3144	$_->cancel for values %EXT_CORO;
2274	%EXT_CORO = ();	3145	%EXT_CORO = ();
2275		3146
2276	# unload all extensions	3147	warn "removing commands";
2277	for (@exts) {	3148	%COMMAND = ();
		3149
		3150	warn "removing ext/exti commands";
		3151	%EXTCMD = ();
		3152	%EXTICMD = ();
		3153
		3154	warn "unloading/nuking all extensions";
		3155	for my $pkg (@EXTS) {
2278	warn "unloading <$_>";	3156	warn "... unloading $pkg";
2279	unload_extension $_;	3157
		3158	if (my $cb = $pkg->can ("unload")) {
		3159	eval {
		3160	$cb->($pkg);
		3161	1
		3162	} or warn "$pkg unloaded, but with errors: $@";
2280	}	3163	}
2281		3164
		3165	warn "... nuking $pkg";
		3166	Symbol::delete_package $pkg;
		3167	}
		3168
2282	# unload all modules loaded from $LIBDIR	3169	warn "unloading all perl modules loaded from $LIBDIR";
2283	while (my ($k, $v) = each %INC) {	3170	while (my ($k, $v) = each %INC) {
2284	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3171	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2285		3172
2286	warn "removing <$k>";	3173	warn "... unloading $k";
2287	delete $INC{$k};	3174	delete $INC{$k};
2288		3175
2289	$k =~ s/\.pm$//;	3176	$k =~ s/\.pm$//;
2290	$k =~ s/\//::/g;	3177	$k =~ s/\//::/g;
2291		3178
…		…
2294	}	3181	}
2295		3182
2296	Symbol::delete_package $k;	3183	Symbol::delete_package $k;
2297	}	3184	}
2298		3185
2299	# sync database to disk
2300	cf::db_sync;
2301	IO::AIO::flush;
2302
2303	# get rid of safe::, as good as possible	3186	warn "getting rid of safe::, as good as possible";
2304	Symbol::delete_package "safe::$_"	3187	Symbol::delete_package "safe::$_"
2305	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3188	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2306		3189
2307	# remove register_script_function callbacks
2308	# TODO
2309
2310	# unload cf.pm "a bit"	3190	warn "unloading cf.pm \"a bit\"";
2311	delete $INC{"cf.pm"};	3191	delete $INC{"cf.pm"};
		3192	delete $INC{"cf/pod.pm"};
2312		3193
2313	# don't, removes xs symbols, too,	3194	# don't, removes xs symbols, too,
2314	# and global variables created in xs	3195	# and global variables created in xs
2315	#Symbol::delete_package __PACKAGE__;	3196	#Symbol::delete_package __PACKAGE__;
2316		3197
2317	# reload cf.pm	3198	warn "unload completed, starting to reload now";
		3199
2318	warn "reloading cf.pm";	3200	warn "reloading cf.pm";
2319	require cf;	3201	require cf;
2320	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3202	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2321		3203
2322	# load config and database again	3204	warn "loading config and database again";
2323	cf::cfg_load;	3205	cf::cfg_load;
2324	cf::db_load;
2325		3206
2326	# load extensions
2327	warn "load extensions";	3207	warn "loading extensions";
2328	cf::load_extensions;	3208	cf::load_extensions;
2329		3209
2330	# reattach attachments to objects	3210	warn "reattaching attachments to objects/players";
2331	warn "reattach";	3211	_global_reattach; # objects, sockets
2332	_global_reattach;	3212	warn "reattaching attachments to maps";
2333	reattach $_ for values %MAP;	3213	reattach $_ for values %MAP;
2334	};	3214	warn "reattaching attachments to players";
		3215	reattach $_ for values %PLAYER;
2335		3216
2336	if ($@) {	3217	warn "leaving sync_job";
		3218
		3219	1
		3220	} or do {
2337	warn $@;	3221	warn $@;
2338	warn "error while reloading, exiting.";	3222	warn "error while reloading, exiting.";
2339	exit 1;	3223	exit 1;
2340	}	3224	};
2341		3225
2342	warn "reloaded successfully";	3226	warn "reloaded";
2343	};	3227	};
2344		3228
2345	#############################################################################	3229	our $RELOAD_WATCHER; # used only during reload
2346		3230
2347	unless ($LINK_MAP) {	3231	sub reload_perl() {
2348	$LINK_MAP = cf::map::new;	3232	# doing reload synchronously and two reloads happen back-to-back,
		3233	# coro crashes during coro_state_free->destroy here.
2349		3234
2350	$LINK_MAP->width (41);	3235	$RELOAD_WATCHER ||= Event->timer (
2351	$LINK_MAP->height (41);	3236	reentrant => 0,
2352	$LINK_MAP->alloc;
2353	$LINK_MAP->path ("{link}");
2354	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2355	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2356
2357	# dirty hack because... archetypes are not yet loaded
2358	Event->timer (
2359	after => 10,	3237	after => 0,
		3238	data => WF_AUTOCANCEL,
2360	cb => sub {	3239	cb => sub {
2361	$_[0]->w->cancel;	3240	do_reload_perl;
2362		3241	undef $RELOAD_WATCHER;
2363	# provide some exits "home"
2364	my $exit = cf::object::new "exit";
2365
2366	$exit->slaying ($EMERGENCY_POSITION->[0]);
2367	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2368	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2369
2370	$LINK_MAP->insert ($exit->clone, 19, 19);
2371	$LINK_MAP->insert ($exit->clone, 19, 20);
2372	$LINK_MAP->insert ($exit->clone, 19, 21);
2373	$LINK_MAP->insert ($exit->clone, 20, 19);
2374	$LINK_MAP->insert ($exit->clone, 20, 21);
2375	$LINK_MAP->insert ($exit->clone, 21, 19);
2376	$LINK_MAP->insert ($exit->clone, 21, 20);
2377	$LINK_MAP->insert ($exit->clone, 21, 21);
2378
2379	$exit->destroy;
2380	});	3242	},
2381		3243	);
2382	$LINK_MAP->{deny_save} = 1;
2383	$LINK_MAP->{deny_reset} = 1;
2384
2385	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2386	}	3244	}
2387
2388	register "<global>", __PACKAGE__;
2389		3245
2390	register_command "reload" => sub {	3246	register_command "reload" => sub {
2391	my ($who, $arg) = @_;	3247	my ($who, $arg) = @_;
2392		3248
2393	if ($who->flag (FLAG_WIZ)) {	3249	if ($who->flag (FLAG_WIZ)) {
2394	$who->message ("start of reload.");
2395	reload;
2396	$who->message ("end of reload.");	3250	$who->message ("reloading server.");
		3251	async { reload_perl };
2397	}	3252	}
2398	};	3253	};
2399		3254
2400	unshift @INC, $LIBDIR;	3255	unshift @INC, $LIBDIR;
2401		3256
		3257	my $bug_warning = 0;
		3258
		3259	our @WAIT_FOR_TICK;
		3260	our @WAIT_FOR_TICK_BEGIN;
		3261
		3262	sub wait_for_tick {
		3263	return unless $TICK_WATCHER->is_active;
		3264	return if $Coro::current == $Coro::main;
		3265
		3266	my $signal = new Coro::Signal;
		3267	push @WAIT_FOR_TICK, $signal;
		3268	$signal->wait;
		3269	}
		3270
		3271	sub wait_for_tick_begin {
		3272	return unless $TICK_WATCHER->is_active;
		3273	return if $Coro::current == $Coro::main;
		3274
		3275	my $signal = new Coro::Signal;
		3276	push @WAIT_FOR_TICK_BEGIN, $signal;
		3277	$signal->wait;
		3278	}
		3279
		3280	my $min = 1e6;#d#
		3281	my $avg = 10;
2402	$TICK_WATCHER = Event->timer (	3282	$TICK_WATCHER = Event->timer (
2403	reentrant => 0,	3283	reentrant => 0,
		3284	parked => 1,
2404	prio => 0,	3285	prio => 0,
2405	at => $NEXT_TICK || $TICK,	3286	at => $NEXT_TICK || $TICK,
2406	data => WF_AUTOCANCEL,	3287	data => WF_AUTOCANCEL,
2407	cb => sub {	3288	cb => sub {
		3289	if ($Coro::current != $Coro::main) {
		3290	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3291	unless ++$bug_warning > 10;
		3292	return;
		3293	}
		3294
		3295	$NOW = $tick_start = Event::time;
		3296
2408	cf::server_tick; # one server iteration	3297	cf::server_tick; # one server iteration
		3298
		3299	0 && sync_job {#d#
		3300	for(1..10) {
		3301	my $t = Event::time;
		3302	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3303	or die;
		3304
		3305	$map->width (50);
		3306	$map->height (50);
		3307	$map->alloc;
		3308	$map->_load_objects ("/tmp/x.map", 1);
		3309	my $t = Event::time - $t;
		3310
		3311	#next unless $t < 0.0013;#d#
		3312	if ($t < $min) {
		3313	$min = $t;
		3314	}
		3315	$avg = $avg * 0.99 + $t * 0.01;
		3316	}
		3317	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3318	exit 0;
		3319	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3320	};
		3321
2409	$RUNTIME += $TICK;	3322	$RUNTIME += $TICK;
2410	$NEXT_TICK += $TICK;	3323	$NEXT_TICK += $TICK;
2411		3324
2412	$WAIT_FOR_TICK->broadcast;	3325	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2413	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3326	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3327	Coro::async_pool {
		3328	write_runtime
		3329	or warn "ERROR: unable to write runtime file: $!";
		3330	};
		3331	}
		3332
		3333	# my $AFTER = Event::time;
		3334	# warn $AFTER - $NOW;#d#
		3335
		3336	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3337	$sig->send;
		3338	}
		3339	while (my $sig = shift @WAIT_FOR_TICK) {
		3340	$sig->send;
		3341	}
		3342
		3343	$NOW = Event::time;
2414		3344
2415	# if we are delayed by four ticks or more, skip them all	3345	# if we are delayed by four ticks or more, skip them all
2416	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3346	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2417		3347
2418	$TICK_WATCHER->at ($NEXT_TICK);	3348	$TICK_WATCHER->at ($NEXT_TICK);
2419	$TICK_WATCHER->start;	3349	$TICK_WATCHER->start;
		3350
		3351	$LOAD = ($NOW - $tick_start) / $TICK;
		3352	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3353
		3354	_post_tick;
		3355
		3356
2420	},	3357	},
2421	);	3358	);
2422		3359
		3360	{
2423	IO::AIO::max_poll_time $TICK * 0.2;	3361	BDB::max_poll_time $TICK * 0.1;
2424		3362	$BDB_POLL_WATCHER = Event->io (
2425	Event->io (	3363	reentrant => 0,
2426	fd => IO::AIO::poll_fileno,	3364	fd => BDB::poll_fileno,
2427	poll => 'r',	3365	poll => 'r',
2428	prio => 5,	3366	prio => 0,
2429	data => WF_AUTOCANCEL,
2430	cb => \&IO::AIO::poll_cb,
2431	);
2432
2433	Event->timer (
2434	data => WF_AUTOCANCEL,	3367	data => WF_AUTOCANCEL,
2435	after => 0,	3368	cb => \&BDB::poll_cb,
2436	interval => 10,	3369	);
2437	cb => sub {	3370	BDB::min_parallel 8;
2438	(Coro::unblock_sub {	3371
2439	write_runtime	3372	BDB::set_sync_prepare {
2440	or warn "ERROR: unable to write runtime file: $!";	3373	my $status;
		3374	my $current = $Coro::current;
		3375	(
		3376	sub {
		3377	$status = $!;
		3378	$current->ready; undef $current;
		3379	},
		3380	sub {
		3381	Coro::schedule while defined $current;
		3382	$! = $status;
		3383	},
		3384	)
		3385	};
		3386
		3387	unless ($DB_ENV) {
		3388	$DB_ENV = BDB::db_env_create;
		3389
		3390	cf::sync_job {
		3391	eval {
		3392	BDB::db_env_open
		3393	$DB_ENV,
		3394	$BDBDIR,
		3395	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3396	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3397	0666;
		3398
		3399	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3400
		3401	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3402	$DB_ENV->set_lk_detect;
		3403	};
		3404
		3405	cf::cleanup "db_env_open(db): $@" if $@;
2441	})->();	3406	};
2442	},	3407	}
2443	);	3408	}
		3409
		3410	{
		3411	IO::AIO::min_parallel 8;
		3412
		3413	undef $Coro::AIO::WATCHER;
		3414	IO::AIO::max_poll_time $TICK * 0.1;
		3415	$AIO_POLL_WATCHER = Event->io (
		3416	reentrant => 0,
		3417	data => WF_AUTOCANCEL,
		3418	fd => IO::AIO::poll_fileno,
		3419	poll => 'r',
		3420	prio => 6,
		3421	cb => \&IO::AIO::poll_cb,
		3422	);
		3423	}
		3424
		3425	my $_log_backtrace;
		3426
		3427	sub _log_backtrace {
		3428	my ($msg, @addr) = @_;
		3429
		3430	$msg =~ s/\n//;
		3431
		3432	# limit the # of concurrent backtraces
		3433	if ($_log_backtrace < 2) {
		3434	++$_log_backtrace;
		3435	async {
		3436	my @bt = fork_call {
		3437	@addr = map { sprintf "%x", $_ } @addr;
		3438	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3439	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3440	or die "addr2line: $!";
		3441
		3442	my @funcs;
		3443	my @res = <$fh>;
		3444	chomp for @res;
		3445	while (@res) {
		3446	my ($func, $line) = splice @res, 0, 2, ();
		3447	push @funcs, "[$func] $line";
		3448	}
		3449
		3450	@funcs
		3451	};
		3452
		3453	LOG llevInfo, "[ABT] $msg\n";
		3454	LOG llevInfo, "[ABT] $_\n" for @bt;
		3455	--$_log_backtrace;
		3456	};
		3457	} else {
		3458	LOG llevInfo, "[ABT] $msg\n";
		3459	LOG llevInfo, "[ABT] [suppressed]\n";
		3460	}
		3461	}
		3462
		3463	# load additional modules
		3464	use cf::pod;
2444		3465
2445	END { cf::emergency_save }	3466	END { cf::emergency_save }
2446		3467
2447	1	3468	1
2448		3469

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