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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.158 by root, Wed Jan 10 19:52:43 2007 UTC vs.
Revision 1.342 by root, Sun Aug 26 15:31:02 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	use overload
373	'""' => \&as_string;
374
375	# used to convert map paths into valid unix filenames by repalcing / by ∕
376	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
377
378	sub new {
379	my ($class, $path, $base) = @_;
380
381	$path = $path->as_string if ref $path;
382
383	my $self = bless { }, $class;
384
385	# {... are special paths that are not touched
386	# ?xxx/... are special absolute paths
387	# ?random/... random maps
388	# /! non-realised random map exit
389	# /... normal maps
390	# ~/... per-player maps without a specific player (DO NOT USE)
391	# ~user/... per-player map of a specific user
392
393	$path =~ s/$PATH_SEP/\//go;
394
395	if ($path =~ /^{/) {
396	# fine as it is
397	} elsif ($path =~ s{^\?random/}{}) {
398	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
399	$self->{random} = cf::from_json $data;
400	} else {
401	if ($path =~ s{^~([^/]+)?}{}) {
402	$self->{user_rel} = 1;
403
404	if (defined $1) {
405	$self->{user} = $1;
406	} elsif ($base =~ m{^~([^/]+)/}) {
407	$self->{user} = $1;
408	} else {
409	warn "cannot resolve user-relative path without user <$path,$base>\n";
410	}
411	} elsif ($path =~ /^\//) {
412	# already absolute
413	} else {
414	$base =~ s{[^/]+/?$}{};
415	return $class->new ("$base/$path");
416	}
417
418	for ($path) {
419	redo if s{/\.?/}{/};
420	redo if s{/[^/]+/\.\./}{/};
421	}
422	}
423
424	$self->{path} = $path;
425
426	$self
427	}
428
429	# the name / primary key / in-game path
430	sub as_string {
431	my ($self) = @_;
432
433	$self->{user_rel} ? "~$self->{user}$self->{path}"
434	: $self->{random} ? "?random/$self->{path}"
435	: $self->{path}
436	}
437
438	# the displayed name, this is a one way mapping
439	sub visible_name {
440	my ($self) = @_;
441
442	# if (my $rmp = $self->{random}) {
443	# # todo: be more intelligent about this
444	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
445	# } else {
446	$self->as_string
447	# }
448	}
449
450	# escape the /'s in the path
451	sub _escaped_path {
452	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
453	$path
454	}
455
456	# the original (read-only) location
457	sub load_path {
458	my ($self) = @_;
459
460	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
461	}
462
463	# the temporary/swap location
464	sub save_path {
465	my ($self) = @_;
466
467	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
468	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
469	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
470	}
471
472	# the unique path, might be eq to save_path
473	sub uniq_path {
474	my ($self) = @_;
475
476	$self->{user_rel} || $self->{random}
477	? undef
478	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
479	}
480
481	# return random map parameters, or undef
482	sub random_map_params {
483	my ($self) = @_;
484
485	$self->{random}
486	}
487
488	# this is somewhat ugly, but style maps do need special treatment
489	sub is_style_map {
490	$_[0]{path} =~ m{^/styles/}
491	}
492
493	package cf;
494		623
495	#############################################################################	624	#############################################################################
496		625
497	=head2 ATTACHABLE OBJECTS	626	=head2 ATTACHABLE OBJECTS
498		627
…		…
500	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")
501	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
502		631
503	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>
504	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
505	crossfire+).	634	Crossfire TRT).
506		635
507	=over 4	636	=over 4
508		637
509	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
510		639
…		…
624	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
625	our @CB_MAP = ();	754	our @CB_MAP = ();
626		755
627	my %attachment;	756	my %attachment;
628		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
629	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
630	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
631		766
632	use sort 'stable';	767	use sort 'stable';
633		768
…		…
667	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
668		803
669	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
670	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
671	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
672	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
673		808
674	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
675	my $pkg = shift @arg;	810	my $pkg = shift @arg;
676		811
677	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
706	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
707	}	842	}
708		843
709	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
710	} else {	845	} else {
711	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
712	}	847	}
713		848
714	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
715	}	850	}
716		851
…		…
718	if (ref $_[0]) {	853	if (ref $_[0]) {
719	_object_attach @_;	854	_object_attach @_;
720	} else {	855	} else {
721	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
722	}	857	}
		858	_recalc_want;
723	};	859	};
724		860
725	# all those should be optimised	861	# all those should be optimised
726	sub cf::attachable::detach {	862	sub cf::attachable::detach {
727	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
730	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
731	reattach ($obj);	867	reattach ($obj);
732	} else {	868	} else {
733	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
734	}	870	}
		871	_recalc_want;
735	};	872	};
736		873
737	sub cf::attachable::attached {	874	sub cf::attachable::attached {
738	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
739		876
…		…
754	";	891	";
755	die if $@;	892	die if $@;
756	}	893	}
757		894
758	our $override;	895	our $override;
759	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?
760		897
761	sub override {	898	sub override {
762	$override = 1;	899	$override = 1;
763	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
764	}	901	}
765		902
766	sub do_invoke {	903	sub do_invoke {
767	my $event = shift;	904	my $event = shift;
768	my $callbacks = shift;	905	my $callbacks = shift;
769		906
770	@invoke_results = ();	907	@INVOKE_RESULTS = ();
771		908
772	local $override;	909	local $override;
773		910
774	for (@$callbacks) {	911	for (@$callbacks) {
775	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
792		929
793	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
794		931
795	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
796	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
797	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
798		935
799	=back	936	=back
800		937
801	=cut	938	=cut
802		939
803	#############################################################################	940	#############################################################################
804	# 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	}
805		953
806	sub reattach {	954	sub reattach {
807	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
808	my ($obj) = @_;	956	my ($obj) = @_;
		957
		958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
809		959
810	my $registry = $obj->registry;	960	my $registry = $obj->registry;
811		961
812	@$registry = ();	962	@$registry = ();
813		963
…		…
860	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
861		1011
862	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
863	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
864	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
865	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
866	close $fh;	1016	close $fh;
867		1017
868	if (@$objs) {	1018	if (@$objs) {
869	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) {
870	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
871	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
872	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
873	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
874	close $fh;	1024	close $fh;
875	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
876	}	1026	}
877	} else {	1027	} else {
878	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
910	or return;	1060	or return;
911	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
912	}	1062	}
913		1063
914	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
915	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
916	return ($data, $av);	1066	return ($data, $av);
917	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
918		1074
919	#############################################################################	1075	#############################################################################
920	# command handling &c	1076	# command handling &c
921		1077
922	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
935	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
936	}	1092	}
937		1093
938	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
939		1095
940	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.
941		1101
942	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
943	called.	1103	called.
944		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
945	=cut	1116	=cut
946		1117
947	sub register_extcmd {	1118	sub register_extcmd {
948	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
949		1120
950	my $caller = caller;
951	#warn "registering extcmd '$name' to '$caller'";
952
953	$EXTCMD{$name} = [$cb, $caller];	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
954	}	1128	}
955		1129
956	cf::player->attach (	1130	cf::player->attach (
957	on_command => sub {	1131	on_command => sub {
958	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
967	cf::override;	1141	cf::override;
968	},	1142	},
969	on_extcmd => sub {	1143	on_extcmd => sub {
970	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
971		1145
972	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
973		1147
974	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
		1154	my @reply;
		1155
975	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
976	if (my %reply = $cb->[0]->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
977	$pl->ext_reply ($msg->{msgid}, %reply);
978	}
979	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
980	} else {	1163	} else {
981	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
982	}	1165	}
983		1166
984	cf::override;	1167	cf::override;
985	},	1168	},
986	);	1169	);
987		1170
988	sub register {
989	my ($base, $pkg) = @_;
990
991	#TODO
992	}
993
994	sub load_extension {
995	my ($path) = @_;
996
997	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
998	my $base = $1;
999	my $pkg = $1;
1000	$pkg =~ s/[^[:word:]]/_/g;
1001	$pkg = "ext::$pkg";
1002
1003	warn "loading '$path' into '$pkg'\n";
1004
1005	open my $fh, "<:utf8", $path
1006	or die "$path: $!";
1007
1008	my $source =
1009	"package $pkg; use strict; use utf8;\n"
1010	. "#line 1 \"$path\"\n{\n"
1011	. (do { local $/; <$fh> })
1012	. "\n};\n1";
1013
1014	eval $source
1015	or die $@ ? "$path: $@\n"
1016	: "extension disabled.\n";
1017
1018	push @exts, $pkg;
1019	$ext_pkg{$base} = $pkg;
1020
1021	# no strict 'refs';
1022	# @{"$pkg\::ISA"} = ext::;
1023
1024	register $base, $pkg;
1025	}
1026
1027	sub unload_extension {
1028	my ($pkg) = @_;
1029
1030	warn "removing extension $pkg\n";
1031
1032	# remove hooks
1033	#TODO
1034	# for my $idx (0 .. $#PLUGIN_EVENT) {
1035	# delete $hook[$idx]{$pkg};
1036	# }
1037
1038	# remove commands
1039	for my $name (keys %COMMAND) {
1040	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1041
1042	if (@cb) {
1043	$COMMAND{$name} = \@cb;
1044	} else {
1045	delete $COMMAND{$name};
1046	}
1047	}
1048
1049	# remove extcmds
1050	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1051	delete $EXTCMD{$name};
1052	}
1053
1054	if (my $cb = $pkg->can ("unload")) {
1055	eval {
1056	$cb->($pkg);
1057	1
1058	} or warn "$pkg unloaded, but with errors: $@";
1059	}
1060
1061	Symbol::delete_package $pkg;
1062	}
1063
1064	sub load_extensions {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
1065	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
1066	next unless -r $ext;	1176	next unless -r $path;
1067	eval {	1177
1068	load_extension $ext;	1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
1069	1	1235	}
1070	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
1071	}	1241	};
1072	}	1242	}
1073		1243
1074	#############################################################################	1244	#############################################################################
1075	# load/save/clean perl data associated with a map
1076		1245
1077	*cf::mapsupport::on_clean = sub {	1246	=back
1078	my ($map) = @_;
1079
1080	my $path = $map->tmpname;
1081	defined $path or return;
1082
1083	unlink "$path.pst";
1084	};
1085
1086	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1087
1088	#############################################################################
1089		1247
1090	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
1091		1249
1092	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
1093		1251
…		…
1106	Returns the given player object, loading it if necessary (might block).	1264	Returns the given player object, loading it if necessary (might block).
1107		1265
1108	=cut	1266	=cut
1109		1267
1110	sub playerdir($) {	1268	sub playerdir($) {
1111	cf::localdir	1269	"$PLAYERDIR/"
1112	. "/"
1113	. cf::playerdir
1114	. "/"
1115	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1116	}	1271	}
1117		1272
1118	sub path($) {	1273	sub path($) {
1119	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1120		1275
1121	(playerdir $login) . "/$login.pl"	1276	(playerdir $login) . "/playerdata"
1122	}	1277	}
1123		1278
1124	sub find_active($) {	1279	sub find_active($) {
1125	$cf::PLAYER{$_[0]}	1280	$cf::PLAYER{$_[0]}
1126	and $cf::PLAYER{$_[0]}->active	1281	and $cf::PLAYER{$_[0]}->active
…		…
1129		1284
1130	sub exists($) {	1285	sub exists($) {
1131	my ($login) = @_;	1286	my ($login) = @_;
1132		1287
1133	$cf::PLAYER{$login}	1288	$cf::PLAYER{$login}
1134	or cf::sync_job { !aio_stat $login }	1289	or cf::sync_job { !aio_stat path $login }
1135	}	1290	}
1136		1291
1137	sub find($) {	1292	sub find($) {
1138	return $cf::PLAYER{$_[0]} || do {	1293	return $cf::PLAYER{$_[0]} || do {
1139	my $login = $_[0];	1294	my $login = $_[0];
1140		1295
1141	my $guard = cf::lock_acquire "user_find:$login";	1296	my $guard = cf::lock_acquire "user_find:$login";
1142		1297
1143	$cf::PLAYER{$_[0]} || do {	1298	$cf::PLAYER{$_[0]} || do {
		1299	# rename old playerfiles to new ones
		1300	#TODO: remove when no longer required
		1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1304	aio_unlink +(playerdir $login) . "/$login.pl";
		1305
1144	my $pl = load_pl path $login	1306	my $pl = load_pl path $login
1145	or return;	1307	or return;
1146	$cf::PLAYER{$login} = $pl	1308	$cf::PLAYER{$login} = $pl
1147	}	1309	}
1148	}	1310	}
…		…
1176	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1177		1339
1178	$self	1340	$self
1179	}	1341	}
1180		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
		1351	}
		1352
1181	=item $pl->quit_character	1353	=item $pl->quit_character
1182		1354
1183	Nukes the player without looking back. If logged in, the connection will	1355	Nukes the player without looking back. If logged in, the connection will
1184	be destroyed. May block for a long time.	1356	be destroyed. May block for a long time.
1185		1357
1186	=cut	1358	=cut
1187		1359
1188	sub quit_character {	1360	sub quit_character {
1189	my ($pl) = @_;	1361	my ($pl) = @_;
		1362
		1363	my $name = $pl->ob->name;
1190		1364
1191	$pl->{deny_save} = 1;	1365	$pl->{deny_save} = 1;
1192	$pl->password ("*"); # this should lock out the player until we nuked the dir	1366	$pl->password ("*"); # this should lock out the player until we nuked the dir
1193		1367
1194	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1199	my $path = playerdir $pl;	1373	my $path = playerdir $pl;
1200	my $temp = "$path~$cf::RUNTIME~deleting~";	1374	my $temp = "$path~$cf::RUNTIME~deleting~";
1201	aio_rename $path, $temp;	1375	aio_rename $path, $temp;
1202	delete $cf::PLAYER{$pl->ob->name};	1376	delete $cf::PLAYER{$pl->ob->name};
1203	$pl->destroy;	1377	$pl->destroy;
		1378
		1379	my $prefix = qr<^~\Q$name\E/>;
		1380
		1381	# nuke player maps
		1382	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1383
1204	IO::AIO::aio_rmtree $temp;	1384	IO::AIO::aio_rmtree $temp;
		1385	}
		1386
		1387	=item $pl->kick
		1388
		1389	Kicks a player out of the game. This destroys the connection.
		1390
		1391	=cut
		1392
		1393	sub kick {
		1394	my ($pl, $kicker) = @_;
		1395
		1396	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1397	$pl->killer ("kicked");
		1398	$pl->ns->destroy;
1205	}	1399	}
1206		1400
1207	=item cf::player::list_logins	1401	=item cf::player::list_logins
1208		1402
1209	Returns am arrayref of all valid playernames in the system, can take a	1403	Returns am arrayref of all valid playernames in the system, can take a
1210	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1211		1405
1212	=cut	1406	=cut
1213		1407
1214	sub list_logins {	1408	sub list_logins {
1215	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1216	or return [];	1410	or return [];
1217		1411
1218	my @logins;	1412	my @logins;
1219		1413
1220	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
…		…
1229	\@logins	1423	\@logins
1230	}	1424	}
1231		1425
1232	=item $player->maps	1426	=item $player->maps
1233		1427
1234	Returns an arrayref of cf::path's of all maps that are private for this	1428	Returns an arrayref of map paths that are private for this
1235	player. May block.	1429	player. May block.
1236		1430
1237	=cut	1431	=cut
1238		1432
1239	sub maps($) {	1433	sub maps($) {
1240	my ($pl) = @_;	1434	my ($pl) = @_;
		1435
		1436	$pl = ref $pl ? $pl->ob->name : $pl;
1241		1437
1242	my $files = aio_readdir playerdir $pl	1438	my $files = aio_readdir playerdir $pl
1243	or return;	1439	or return;
1244		1440
1245	my @paths;	1441	my @paths;
…		…
1247	for (@$files) {	1443	for (@$files) {
1248	utf8::decode $_;	1444	utf8::decode $_;
1249	next if /\.(?:pl|pst)$/;	1445	next if /\.(?:pl|pst)$/;
1250	next unless /^$PATH_SEP/o;	1446	next unless /^$PATH_SEP/o;
1251		1447
1252	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1448	push @paths, cf::map::normalise "~$pl/$_";
1253	}	1449	}
1254		1450
1255	\@paths	1451	\@paths
1256	}	1452	}
1257		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
1258	=item $player->ext_reply ($msgid, $msgtype, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1259		1505
1260	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1261		1507
1262	=cut	1508	=cut
1263		1509
1264	sub ext_reply($$$%) {	1510	sub ext_reply($$@) {
1265	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1266		1512
1267	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1268
1269	$self->send ("ext " . cf::to_json \%msg);
1270	}	1514	}
1271		1515
1272	package cf;	1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		1523	my ($self, $type, @msg) = @_;
		1524
		1525	$self->ns->ext_msg ($type, @msg);
		1526	}
		1527
		1528	=head3 cf::region
		1529
		1530	=over 4
		1531
		1532	=cut
		1533
		1534	package cf::region;
		1535
		1536	=item cf::region::find_by_path $path
		1537
		1538	Tries to decuce the likely region for a map knowing only its path.
		1539
		1540	=cut
		1541
		1542	sub find_by_path($) {
		1543	my ($path) = @_;
		1544
		1545	my ($match, $specificity);
		1546
		1547	for my $region (list) {
		1548	if ($region->{match} && $path =~ $region->{match}) {
		1549	($match, $specificity) = ($region, $region->specificity)
		1550	if $region->specificity > $specificity;
		1551	}
		1552	}
		1553
		1554	$match
		1555	}
1273		1556
1274	=back	1557	=back
1275
1276		1558
1277	=head3 cf::map	1559	=head3 cf::map
1278		1560
1279	=over 4	1561	=over 4
1280		1562
…		…
1283	package cf::map;	1565	package cf::map;
1284		1566
1285	use Fcntl;	1567	use Fcntl;
1286	use Coro::AIO;	1568	use Coro::AIO;
1287		1569
		1570	use overload
		1571	'""' => \&as_string,
		1572	fallback => 1;
		1573
1288	our $MAX_RESET = 3600;	1574	our $MAX_RESET = 3600;
1289	our $DEFAULT_RESET = 3000;	1575	our $DEFAULT_RESET = 3000;
1290		1576
1291	sub generate_random_map {	1577	sub generate_random_map {
1292	my ($path, $rmp) = @_;	1578	my ($self, $rmp) = @_;
1293
1294	# mit "rum" bekleckern, nicht	1579	# mit "rum" bekleckern, nicht
1295	cf::map::_create_random_map	1580	$self->_create_random_map (
1296	$path,
1297	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1298	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1299	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1300	$rmp->{exit_on_final_map},	1584	$rmp->{exit_on_final_map},
1301	$rmp->{xsize}, $rmp->{ysize},	1585	$rmp->{xsize}, $rmp->{ysize},
1302	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1586	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1303	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1587	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1304	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1588	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1305	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1589	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1306	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1307	(cf::region::find $rmp->{region})	1591	(cf::region::find $rmp->{region}), $rmp->{custom}
		1592	)
		1593	}
		1594
		1595	=item cf::map->register ($regex, $prio)
		1596
		1597	Register a handler for the map path matching the given regex at the
		1598	givne priority (higher is better, built-in handlers have priority 0, the
		1599	default).
		1600
		1601	=cut
		1602
		1603	sub register {
		1604	my (undef, $regex, $prio) = @_;
		1605	my $pkg = caller;
		1606
		1607	no strict;
		1608	push @{"$pkg\::ISA"}, __PACKAGE__;
		1609
		1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1611	}
		1612
		1613	# also paths starting with '/'
		1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1615
		1616	sub thawer_merge {
		1617	my ($self, $merge) = @_;
		1618
		1619	# we have to keep some variables in memory intact
		1620	local $self->{path};
		1621	local $self->{load_path};
		1622
		1623	$self->SUPER::thawer_merge ($merge);
		1624	}
		1625
		1626	sub normalise {
		1627	my ($path, $base) = @_;
		1628
		1629	$path = "$path"; # make sure its a string
		1630
		1631	$path =~ s/\.map$//;
		1632
		1633	# map plan:
		1634	#
		1635	# /! non-realised random map exit (special hack!)
		1636	# {... are special paths that are not being touched
		1637	# ?xxx/... are special absolute paths
		1638	# ?random/... random maps
		1639	# /... normal maps
		1640	# ~user/... per-player map of a specific user
		1641
		1642	$path =~ s/$PATH_SEP/\//go;
		1643
		1644	# treat it as relative path if it starts with
		1645	# something that looks reasonable
		1646	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1647	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1648
		1649	$base =~ s{[^/]+/?$}{};
		1650	$path = "$base/$path";
		1651	}
		1652
		1653	for ($path) {
		1654	redo if s{//}{/};
		1655	redo if s{/\.?/}{/};
		1656	redo if s{/[^/]+/\.\./}{/};
		1657	}
		1658
		1659	$path
		1660	}
		1661
		1662	sub new_from_path {
		1663	my (undef, $path, $base) = @_;
		1664
		1665	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1666
		1667	$path = normalise $path, $base;
		1668
		1669	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1670	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1671	my $self = bless cf::map::new, $pkg;
		1672	$self->{path} = $path; $self->path ($path);
		1673	$self->init; # pass $1 etc.
		1674	return $self;
		1675	}
		1676	}
		1677
		1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1679	()
		1680	}
		1681
		1682	sub init {
		1683	my ($self) = @_;
		1684
		1685	$self
		1686	}
		1687
		1688	sub as_string {
		1689	my ($self) = @_;
		1690
		1691	"$self->{path}"
		1692	}
		1693
		1694	# the displayed name, this is a one way mapping
		1695	sub visible_name {
		1696	&as_string
		1697	}
		1698
		1699	# the original (read-only) location
		1700	sub load_path {
		1701	my ($self) = @_;
		1702
		1703	"$MAPDIR/$self->{path}.map"
		1704	}
		1705
		1706	# the temporary/swap location
		1707	sub save_path {
		1708	my ($self) = @_;
		1709
		1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1711	"$TMPDIR/$path.map"
		1712	}
		1713
		1714	# the unique path, undef == no special unique path
		1715	sub uniq_path {
		1716	my ($self) = @_;
		1717
		1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1719	"$UNIQUEDIR/$path"
1308	}	1720	}
1309		1721
1310	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1311	# all maps in C++...	1723	# all maps in C++...
1312	sub change_all_map_light {	1724	sub change_all_map_light {
…		…
1314		1726
1315	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
1317	}	1729	}
1318		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
		1737	}
		1738
		1739	sub unlink_save {
		1740	my ($self) = @_;
		1741
		1742	utf8::encode (my $save = $self->save_path);
		1743	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1744	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1745	}
		1746
1319	sub try_load_header($) {	1747	sub load_header_from($) {
1320	my ($path) = @_;	1748	my ($self, $path) = @_;
1321		1749
1322	utf8::encode $path;	1750	utf8::encode $path;
1323	aio_open $path, O_RDONLY, 0	1751	#aio_open $path, O_RDONLY, 0
		1752	# or return;
		1753
		1754	$self->_load_header ($path)
1324	or return;	1755	or return;
1325		1756
1326	my $map = cf::map::new	1757	$self->{load_path} = $path;
		1758
		1759	1
		1760	}
		1761
		1762	sub load_header_orig {
		1763	my ($self) = @_;
		1764
		1765	$self->load_header_from ($self->load_path)
		1766	}
		1767
		1768	sub load_header_temp {
		1769	my ($self) = @_;
		1770
		1771	$self->load_header_from ($self->save_path)
		1772	}
		1773
		1774	sub prepare_temp {
		1775	my ($self) = @_;
		1776
		1777	$self->last_access ((delete $self->{last_access})
		1778	|| $cf::RUNTIME); #d#
		1779	# safety
		1780	$self->{instantiate_time} = $cf::RUNTIME
		1781	if $self->{instantiate_time} > $cf::RUNTIME;
		1782	}
		1783
		1784	sub prepare_orig {
		1785	my ($self) = @_;
		1786
		1787	$self->{load_original} = 1;
		1788	$self->{instantiate_time} = $cf::RUNTIME;
		1789	$self->last_access ($cf::RUNTIME);
		1790	$self->instantiate;
		1791	}
		1792
		1793	sub load_header {
		1794	my ($self) = @_;
		1795
		1796	if ($self->load_header_temp) {
		1797	$self->prepare_temp;
		1798	} else {
		1799	$self->load_header_orig
1327	or return;	1800	or return;
		1801	$self->prepare_orig;
		1802	}
1328		1803
1329	# for better error messages only, will be overwritten	1804	$self->{deny_reset} = 1
1330	$map->path ($path);	1805	if $self->no_reset;
1331		1806
1332	$map->load_header ($path)	1807	$self->default_region (cf::region::find_by_path $self->{path})
1333	or return;	1808	unless $self->default_region;
1334		1809
1335	$map->{load_path} = $path;	1810	1
1336
1337	$map
1338	}	1811	}
1339		1812
1340	sub find;	1813	sub find;
1341	sub find {	1814	sub find {
1342	my ($path, $origin) = @_;	1815	my ($path, $origin) = @_;
1343		1816
1344	#warn "find<$path,$origin>\n";#d#
1345
1346	$path = new cf::path $path, $origin && $origin->path;	1817	$path = normalise $path, $origin && $origin->path;
1347	my $key = $path->as_string;
1348		1818
1349	cf::lock_wait "map_find:$key";	1819	cf::lock_wait "map_find:$path";
1350		1820
1351	$cf::MAP{$key} || do {	1821	$cf::MAP{$path} || do {
1352	my $guard = cf::lock_acquire "map_find:$key";	1822	my $guard = cf::lock_acquire "map_find:$path";
1353		1823	my $map = new_from_path cf::map $path
1354	# do it the slow way
1355	my $map = try_load_header $path->save_path;
1356
1357	Coro::cede;
1358
1359	if ($map) {
1360	$map->last_access ((delete $map->{last_access})
1361	|| $cf::RUNTIME); #d#
1362	# safety
1363	$map->{instantiate_time} = $cf::RUNTIME
1364	if $map->{instantiate_time} > $cf::RUNTIME;
1365	} else {
1366	if (my $rmp = $path->random_map_params) {
1367	$map = generate_random_map $key, $rmp;
1368	} else {
1369	$map = try_load_header $path->load_path;
1370	}
1371
1372	$map or return;	1824	or return;
1373		1825
1374	$map->{load_original} = 1;
1375	$map->{instantiate_time} = $cf::RUNTIME;
1376	$map->last_access ($cf::RUNTIME);
1377	$map->instantiate;
1378
1379	# per-player maps become, after loading, normal maps
1380	$map->per_player (0) if $path->{user_rel};
1381	}
1382
1383	$map->path ($key);
1384	$map->{path} = $path;
1385	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1386		1827
1387	Coro::cede;	1828	$map->load_header
		1829	or return;
1388		1830
1389	if ($map->should_reset) {	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1832	# doing this can freeze the server in a sync job, obviously
		1833	#$cf::WAIT_FOR_TICK->wait;
1390	$map->reset;	1834	$map->reset;
1391	undef $guard;	1835	undef $guard;
1392	$map = find $path	1836	return find $path;
1393	or return;
1394	}	1837	}
1395		1838
1396	$cf::MAP{$key} = $map	1839	$cf::MAP{$path} = $map
1397	}	1840	}
1398	}	1841	}
		1842
		1843	sub pre_load { }
		1844	sub post_load { }
1399		1845
1400	sub load {	1846	sub load {
1401	my ($self) = @_;	1847	my ($self) = @_;
1402		1848
		1849	local $self->{deny_reset} = 1; # loading can take a long time
		1850
1403	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
1404	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1854	my $guard = cf::lock_acquire "map_load:$path";
1405		1855
1406	return if $self->in_memory != cf::MAP_SWAPPED;	1856	return if $self->in_memory != cf::MAP_SWAPPED;
1407		1857
1408	$self->in_memory (cf::MAP_LOADING);	1858	$self->in_memory (cf::MAP_LOADING);
1409		1859
1410	$self->alloc;	1860	$self->alloc;
		1861
		1862	$self->pre_load;
		1863	Coro::cede;
		1864
1411	$self->load_objects ($self->{load_path}, 1)	1865	$self->_load_objects ($self->{load_path}, 1)
1412	or return;	1866	or return;
1413		1867
1414	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1415	if delete $self->{load_original};	1869	if delete $self->{load_original};
1416		1870
1417	if (my $uniq = $path->uniq_path) {	1871	if (my $uniq = $self->uniq_path) {
1418	utf8::encode $uniq;	1872	utf8::encode $uniq;
1419	if (aio_open $uniq, O_RDONLY, 0) {	1873	if (aio_open $uniq, O_RDONLY, 0) {
1420	$self->clear_unique_items;	1874	$self->clear_unique_items;
1421	$self->load_objects ($uniq, 0);	1875	$self->_load_objects ($uniq, 0);
1422	}	1876	}
1423	}	1877	}
1424		1878
1425	Coro::cede;	1879	Coro::cede;
1426
1427	# now do the right thing for maps	1880	# now do the right thing for maps
1428	$self->link_multipart_objects;	1881	$self->link_multipart_objects;
1429
1430	if ($self->{path}->is_style_map) {
1431	$self->{deny_save} = 1;
1432	$self->{deny_reset} = 1;
1433	} else {
1434	$self->fix_auto_apply;
1435	$self->decay_objects;
1436	$self->update_buttons;
1437	$self->set_darkness_map;
1438	$self->difficulty ($self->estimate_difficulty)	1882	$self->difficulty ($self->estimate_difficulty)
1439	unless $self->difficulty;	1883	unless $self->difficulty;
		1884	Coro::cede;
		1885
		1886	unless ($self->{deny_activate}) {
		1887	$self->decay_objects;
		1888	$self->fix_auto_apply;
		1889	$self->update_buttons;
		1890	Coro::cede;
		1891	$self->set_darkness_map;
		1892	Coro::cede;
1440	$self->activate;	1893	$self->activate;
1441	}	1894	}
1442		1895
1443	Coro::cede;	1896	$self->{last_save} = $cf::RUNTIME;
		1897	$self->last_access ($cf::RUNTIME);
1444		1898
1445	$self->in_memory (cf::MAP_IN_MEMORY);	1899	$self->in_memory (cf::MAP_IN_MEMORY);
		1900	}
		1901
		1902	$self->post_load;
		1903	}
		1904
		1905	sub customise_for {
		1906	my ($self, $ob) = @_;
		1907
		1908	return find "~" . $ob->name . "/" . $self->{path}
		1909	if $self->per_player;
		1910
		1911	# return find "?party/" . $ob->name . "/" . $self->{path}
		1912	# if $self->per_party;
		1913
		1914	$self
1446	}	1915	}
1447		1916
1448	# find and load all maps in the 3x3 area around a map	1917	# find and load all maps in the 3x3 area around a map
1449	sub load_diag {	1918	sub load_neighbours {
1450	my ($map) = @_;	1919	my ($map) = @_;
1451		1920
1452	my @diag; # diagonal neighbours	1921	my @neigh; # diagonal neighbours
1453		1922
1454	for (0 .. 3) {	1923	for (0 .. 3) {
1455	my $neigh = $map->tile_path ($_)	1924	my $neigh = $map->tile_path ($_)
1456	or next;	1925	or next;
1457	$neigh = find $neigh, $map	1926	$neigh = find $neigh, $map
1458	or next;	1927	or next;
1459	$neigh->load;	1928	$neigh->load;
1460		1929
		1930	push @neigh,
1461	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1462	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1463	}	1933	}
1464		1934
1465	for (@diag) {	1935	for (grep defined $_->[0], @neigh) {
		1936	my ($path, $origin) = @$_;
1466	my $neigh = find @$_	1937	my $neigh = find $path, $origin
1467	or next;	1938	or next;
1468	$neigh->load;	1939	$neigh->load;
1469	}	1940	}
1470	}	1941	}
1471		1942
…		…
1476	}	1947	}
1477		1948
1478	sub do_load_sync {	1949	sub do_load_sync {
1479	my ($map) = @_;	1950	my ($map) = @_;
1480		1951
		1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1953	if $Coro::current == $Coro::main;
		1954
1481	cf::sync_job { $map->load };	1955	cf::sync_job { $map->load };
1482	}	1956	}
1483		1957
1484	our %MAP_PREFETCH;	1958	our %MAP_PREFETCH;
		1959	our $MAP_PREFETCHER = undef;
		1960
		1961	sub find_async {
		1962	my ($path, $origin, $load) = @_;
		1963
		1964	$path = normalise $path, $origin && $origin->{path};
		1965
		1966	if (my $map = $cf::MAP{$path}) {
		1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1968	}
		1969
		1970	$MAP_PREFETCH{$path} |= $load;
		1971
1485	our $MAP_PREFETCHER = Coro::async {	1972	$MAP_PREFETCHER ||= cf::async {
1486	while () {
1487	while (%MAP_PREFETCH) {	1973	while (%MAP_PREFETCH) {
1488	my $key = each %MAP_PREFETCH	1974	while (my ($k, $v) = each %MAP_PREFETCH) {
1489	or next;	1975	if (my $map = find $k) {
		1976	$map->load if $v;
		1977	}
		1978
1490	my $path = delete $MAP_PREFETCH{$key};	1979	delete $MAP_PREFETCH{$k};
1491
1492	my $map = find $path
1493	or next;
1494	$map->load;
1495	}	1980	}
1496	Coro::schedule;	1981	}
		1982	undef $MAP_PREFETCHER;
1497	}	1983	};
1498	};
1499
1500	sub find_async {
1501	my ($path, $origin) = @_;
1502
1503	$path = new cf::path $path, $origin && $origin->path;
1504	my $key = $path->as_string;
1505
1506	if (my $map = $cf::MAP{$key}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1508	}
1509
1510	$MAP_PREFETCH{$key} = $path;
1511	$MAP_PREFETCHER->ready;	1984	$MAP_PREFETCHER->prio (6);
1512		1985
1513	()	1986	()
1514	}	1987	}
1515		1988
1516	sub save {	1989	sub save {
…		…
1520		1993
1521	$self->{last_save} = $cf::RUNTIME;	1994	$self->{last_save} = $cf::RUNTIME;
1522		1995
1523	return unless $self->dirty;	1996	return unless $self->dirty;
1524		1997
1525	my $save = $self->{path}->save_path; utf8::encode $save;	1998	my $save = $self->save_path; utf8::encode $save;
1526	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1999	my $uniq = $self->uniq_path; utf8::encode $uniq;
1527		2000
1528	$self->{load_path} = $save;	2001	$self->{load_path} = $save;
1529		2002
1530	return if $self->{deny_save};	2003	return if $self->{deny_save};
1531		2004
…		…
1534	cf::async {	2007	cf::async {
1535	$_->contr->save for $self->players;	2008	$_->contr->save for $self->players;
1536	};	2009	};
1537		2010
1538	if ($uniq) {	2011	if ($uniq) {
1539	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1540	$self->save_objects ($uniq, cf::IO_UNIQUES);	2013	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1541	} else {	2014	} else {
1542	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2015	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1543	}	2016	}
1544	}	2017	}
1545		2018
1546	sub swap_out {	2019	sub swap_out {
1547	my ($self) = @_;	2020	my ($self) = @_;
…		…
1561		2034
1562	sub reset_at {	2035	sub reset_at {
1563	my ($self) = @_;	2036	my ($self) = @_;
1564		2037
1565	# TODO: safety, remove and allow resettable per-player maps	2038	# TODO: safety, remove and allow resettable per-player maps
1566	return 1e99 if $self->{path}{user_rel};
1567	return 1e99 if $self->{deny_reset};	2039	return 1e99 if $self->{deny_reset};
1568		2040
1569	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2041	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1570	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2042	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1571		2043
…		…
1576	my ($self) = @_;	2048	my ($self) = @_;
1577		2049
1578	$self->reset_at <= $cf::RUNTIME	2050	$self->reset_at <= $cf::RUNTIME
1579	}	2051	}
1580		2052
1581	sub unlink_save {
1582	my ($self) = @_;
1583
1584	utf8::encode (my $save = $self->{path}->save_path);
1585	aioreq_pri 3; IO::AIO::aio_unlink $save;
1586	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1587	}
1588
1589	sub rename {
1590	my ($self, $new_path) = @_;
1591
1592	$self->unlink_save;
1593
1594	delete $cf::MAP{$self->path};
1595	$self->{path} = new cf::path $new_path;
1596	$self->path ($self->{path}->as_string);
1597	$cf::MAP{$self->path} = $self;
1598
1599	$self->save;
1600	}
1601
1602	sub reset {	2053	sub reset {
1603	my ($self) = @_;	2054	my ($self) = @_;
1604		2055
1605	my $lock = cf::lock_acquire "map_data:" . $self->path;	2056	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2057
1607	return if $self->players;	2058	return if $self->players;
1608	return if $self->{path}{user_rel};#d#
1609		2059
1610	warn "resetting map ", $self->path;#d#	2060	warn "resetting map ", $self->path;
		2061
		2062	$self->in_memory (cf::MAP_SWAPPED);
		2063
		2064	# need to save uniques path
		2065	unless ($self->{deny_save}) {
		2066	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2067
		2068	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2069	if $uniq;
		2070	}
1611		2071
1612	delete $cf::MAP{$self->path};	2072	delete $cf::MAP{$self->path};
		2073
		2074	$self->clear;
1613		2075
1614	$_->clear_links_to ($self) for values %cf::MAP;	2076	$_->clear_links_to ($self) for values %cf::MAP;
1615		2077
1616	$self->unlink_save;	2078	$self->unlink_save;
1617	$self->destroy;	2079	$self->destroy;
…		…
1620	my $nuke_counter = "aaaa";	2082	my $nuke_counter = "aaaa";
1621		2083
1622	sub nuke {	2084	sub nuke {
1623	my ($self) = @_;	2085	my ($self) = @_;
1624		2086
		2087	delete $cf::MAP{$self->path};
		2088
		2089	$self->unlink_save;
		2090
		2091	bless $self, "cf::map";
		2092	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2093	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2094	$self->reset_timeout (1);
1627	$self->rename ("{nuke}/" . ($nuke_counter++));	2095	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2096
		2097	$cf::MAP{$self->path} = $self;
		2098
1628	$self->reset; # polite request, might not happen	2099	$self->reset; # polite request, might not happen
1629	}	2100	}
1630		2101
1631	sub customise_for {	2102	=item $maps = cf::map::tmp_maps
1632	my ($map, $ob) = @_;
1633		2103
1634	if ($map->per_player) {	2104	Returns an arrayref with all map paths of currently instantiated and saved
1635	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2105	maps. May block.
		2106
		2107	=cut
		2108
		2109	sub tmp_maps() {
1636	}	2110	[
		2111	map {
		2112	utf8::decode $_;
		2113	/\.map$/
		2114	? normalise $_
		2115	: ()
		2116	} @{ aio_readdir $TMPDIR or [] }
		2117	]
		2118	}
1637		2119
1638	$map	2120	=item $maps = cf::map::random_maps
		2121
		2122	Returns an arrayref with all map paths of currently instantiated and saved
		2123	random maps. May block.
		2124
		2125	=cut
		2126
		2127	sub random_maps() {
		2128	[
		2129	map {
		2130	utf8::decode $_;
		2131	/\.map$/
		2132	? normalise "?random/$_"
		2133	: ()
		2134	} @{ aio_readdir $RANDOMDIR or [] }
		2135	]
1639	}	2136	}
1640		2137
1641	=item cf::map::unique_maps	2138	=item cf::map::unique_maps
1642		2139
1643	Returns an arrayref of cf::path's of all shared maps that have	2140	Returns an arrayref of paths of all shared maps that have
1644	instantiated unique items. May block.	2141	instantiated unique items. May block.
1645		2142
1646	=cut	2143	=cut
1647		2144
1648	sub unique_maps() {	2145	sub unique_maps() {
1649	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2146	[
1650	or return;	2147	map {
1651
1652	my @paths;
1653
1654	for (@$files) {
1655	utf8::decode $_;	2148	utf8::decode $_;
1656	next if /\.pst$/;	2149	/\.map$/
1657	next unless /^$PATH_SEP/o;	2150	? normalise $_
1658		2151	: ()
1659	push @paths, new cf::path $_;	2152	} @{ aio_readdir $UNIQUEDIR or [] }
1660	}	2153	]
1661
1662	\@paths
1663	}	2154	}
1664		2155
1665	package cf;	2156	package cf;
1666		2157
1667	=back	2158	=back
…		…
1713		2204
1714	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2205	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1715		2206
1716	if ($self->{record_replies}) {	2207	if ($self->{record_replies}) {
1717	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2208	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2209
1718	} else {	2210	} else {
		2211	my $pl = $self->contr;
		2212
		2213	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2214	my $dialog = $pl->{npc_dialog};
		2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2216
		2217	} else {
1719	$msg = $npc->name . " says: $msg" if $npc;	2218	$msg = $npc->name . " says: $msg" if $npc;
1720	$self->message ($msg, $flags);	2219	$self->message ($msg, $flags);
		2220	}
1721	}	2221	}
		2222	}
		2223
		2224	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2225
		2226	=cut
		2227
		2228	sub cf::object::send_msg {
		2229	my $pl = shift->contr
		2230	or return;
		2231	$pl->send_msg (@_);
1722	}	2232	}
1723		2233
1724	=item $player_object->may ("access")	2234	=item $player_object->may ("access")
1725		2235
1726	Returns wether the given player is authorized to access resource "access"	2236	Returns wether the given player is authorized to access resource "access"
…		…
1739		2249
1740	=item $player_object->enter_link	2250	=item $player_object->enter_link
1741		2251
1742	Freezes the player and moves him/her to a special map (C<{link}>).	2252	Freezes the player and moves him/her to a special map (C<{link}>).
1743		2253
1744	The player should be reaosnably safe there for short amounts of time. You	2254	The player should be reasonably safe there for short amounts of time. You
1745	I<MUST> call C<leave_link> as soon as possible, though.	2255	I<MUST> call C<leave_link> as soon as possible, though.
1746		2256
		2257	Will never block.
		2258
1747	=item $player_object->leave_link ($map, $x, $y)	2259	=item $player_object->leave_link ($map, $x, $y)
1748		2260
1749	Moves the player out of the specila link map onto the given map. If the	2261	Moves the player out of the special C<{link}> map onto the specified
1750	map is not valid (or omitted), the player will be moved back to the	2262	map. If the map is not valid (or omitted), the player will be moved back
1751	location he/she was before the call to C<enter_link>, or, if that fails,	2263	to the location he/she was before the call to C<enter_link>, or, if that
1752	to the emergency map position.	2264	fails, to the emergency map position.
1753		2265
1754	Might block.	2266	Might block.
1755		2267
1756	=cut	2268	=cut
		2269
		2270	sub link_map {
		2271	unless ($LINK_MAP) {
		2272	$LINK_MAP = cf::map::find "{link}"
		2273	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2274	$LINK_MAP->load;
		2275	}
		2276
		2277	$LINK_MAP
		2278	}
1757		2279
1758	sub cf::object::player::enter_link {	2280	sub cf::object::player::enter_link {
1759	my ($self) = @_;	2281	my ($self) = @_;
1760		2282
1761	$self->deactivate_recursive;	2283	$self->deactivate_recursive;
1762		2284
1763	return if $self->map == $LINK_MAP;	2285	return if UNIVERSAL::isa $self->map, "ext::map_link";
1764		2286
1765	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1766	if $self->map;	2288	if $self->map && $self->map->{path} ne "{link}";
1767		2289
1768	$self->enter_map ($LINK_MAP, 20, 20);	2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1769	}	2291	}
1770		2292
1771	sub cf::object::player::leave_link {	2293	sub cf::object::player::leave_link {
1772	my ($self, $map, $x, $y) = @_;	2294	my ($self, $map, $x, $y) = @_;
		2295
		2296	return unless $self->contr->active;
1773		2297
1774	my $link_pos = delete $self->{_link_pos};	2298	my $link_pos = delete $self->{_link_pos};
1775		2299
1776	unless ($map) {	2300	unless ($map) {
1777	# restore original map position	2301	# restore original map position
…		…
1791	# use -1 or undef as default coordinates, not 0, 0	2315	# use -1 or undef as default coordinates, not 0, 0
1792	($x, $y) = ($map->enter_x, $map->enter_y)	2316	($x, $y) = ($map->enter_x, $map->enter_y)
1793	if $x <=0 && $y <= 0;	2317	if $x <=0 && $y <= 0;
1794		2318
1795	$map->load;	2319	$map->load;
1796	$map->load_diag;	2320	$map->load_neighbours;
1797		2321
1798	return unless $self->contr->active;	2322	return unless $self->contr->active;
1799	$self->activate_recursive;	2323	$self->activate_recursive;
		2324
		2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1800	$self->enter_map ($map, $x, $y);	2326	$self->enter_map ($map, $x, $y);
1801	}	2327	}
1802		2328
1803	cf::player->attach (	2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1804	on_logout => sub {
1805	my ($pl) = @_;
1806		2330
1807	# abort map switching before logout	2331	Moves the player to the given map-path and coordinates by first freezing
1808	if ($pl->ob->{_link_pos}) {	2332	her, loading and preparing them map, calling the provided $check callback
1809	cf::sync_job {	2333	that has to return the map if sucecssful, and then unfreezes the player on
1810	$pl->ob->leave_link	2334	the new (success) or old (failed) map position. In either case, $done will
1811	};	2335	be called at the end of this process.
1812	}
1813	},
1814	on_login => sub {
1815	my ($pl) = @_;
1816		2336
1817	# try to abort aborted map switching on player login :)
1818	# should happen only on crashes
1819	if ($pl->ob->{_link_pos}) {
1820	$pl->ob->enter_link;
1821	(async {
1822	# we need this sleep as the login has a concurrent enter_exit running
1823	# and this sleep increases chances of the player not ending up in scorn
1824	$pl->ob->reply (undef,
1825	"There was an internal problem at your last logout, "
1826	. "the server will try to bring you to your intended destination in a second.",
1827	cf::NDI_RED);
1828	Coro::Timer::sleep 1;
1829	$pl->ob->leave_link;
1830	})->prio (2);
1831	}
1832	},
1833	);
1834
1835	=item $player_object->goto ($path, $x, $y)
1836
1837	=cut	2337	=cut
		2338
		2339	our $GOTOGEN;
1838		2340
1839	sub cf::object::player::goto {	2341	sub cf::object::player::goto {
1840	my ($self, $path, $x, $y) = @_;	2342	my ($self, $path, $x, $y, $check, $done) = @_;
1841		2343
1842	$path = new cf::path $path;	2344	# do generation counting so two concurrent goto's will be executed in-order
		2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1843		2346
1844	$self->enter_link;	2347	$self->enter_link;
1845		2348
1846	(async {	2349	(async {
		2350	my $map = eval {
1847	my $map = cf::map::find $path->as_string;	2351	my $map = cf::map::find $path;
		2352
		2353	if ($map) {
1848	$map = $map->customise_for ($self) if $map;	2354	$map = $map->customise_for ($self);
1849		2355	$map = $check->($map) if $check && $map;
1850	# warn "entering ", $map->path, " at ($x, $y)\n"	2356	} else {
1851	# if $map;
1852
1853	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	}
1854		2359
		2360	$map
		2361	};
		2362
		2363	if ($@) {
		2364	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2365	LOG llevError | logBacktrace, Carp::longmess $@;
		2366	}
		2367
		2368	if ($gen == $self->{_goto_generation}) {
		2369	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2370	$self->leave_link ($map, $x, $y);
		2371	}
		2372
		2373	$done->() if $done;
1856	})->prio (1);	2374	})->prio (1);
1857	}	2375	}
1858		2376
1859	=item $player_object->enter_exit ($exit_object)	2377	=item $player_object->enter_exit ($exit_object)
1860		2378
…		…
1862		2380
1863	sub parse_random_map_params {	2381	sub parse_random_map_params {
1864	my ($spec) = @_;	2382	my ($spec) = @_;
1865		2383
1866	my $rmp = { # defaults	2384	my $rmp = { # defaults
1867	xsize => 10,	2385	xsize => (cf::rndm 15, 40),
1868	ysize => 10,	2386	ysize => (cf::rndm 15, 40),
		2387	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2388	#layout => string,
1869	};	2389	};
1870		2390
1871	for (split /\n/, $spec) {	2391	for (split /\n/, $spec) {
1872	my ($k, $v) = split /\s+/, $_, 2;	2392	my ($k, $v) = split /\s+/, $_, 2;
1873		2393
…		…
1877	$rmp	2397	$rmp
1878	}	2398	}
1879		2399
1880	sub prepare_random_map {	2400	sub prepare_random_map {
1881	my ($exit) = @_;	2401	my ($exit) = @_;
		2402
		2403	my $guard = cf::lock_acquire "exit_prepare:$exit";
1882		2404
1883	# all this does is basically replace the /! path by	2405	# all this does is basically replace the /! path by
1884	# a new random map path (?random/...) with a seed	2406	# a new random map path (?random/...) with a seed
1885	# that depends on the exit object	2407	# that depends on the exit object
1886		2408
1887	my $rmp = parse_random_map_params $exit->msg;	2409	my $rmp = parse_random_map_params $exit->msg;
1888		2410
1889	if ($exit->map) {	2411	if ($exit->map) {
1890	$rmp->{region} = $exit->map->region_name;	2412	$rmp->{region} = $exit->region->name;
1891	$rmp->{origin_map} = $exit->map->path;	2413	$rmp->{origin_map} = $exit->map->path;
1892	$rmp->{origin_x} = $exit->x;	2414	$rmp->{origin_x} = $exit->x;
1893	$rmp->{origin_y} = $exit->y;	2415	$rmp->{origin_y} = $exit->y;
1894	}	2416	}
1895		2417
1896	$rmp->{random_seed} ||= $exit->random_seed;	2418	$rmp->{random_seed} ||= $exit->random_seed;
1897		2419
1898	my $data = cf::to_json $rmp;	2420	my $data = cf::to_json $rmp;
1899	my $md5 = Digest::MD5::md5_hex $data;	2421	my $md5 = Digest::MD5::md5_hex $data;
		2422	my $meta = "$RANDOMDIR/$md5.meta";
1900		2423
1901	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1902	aio_write $fh, 0, (length $data), $data, 0;	2425	aio_write $fh, 0, (length $data), $data, 0;
		2426	undef $fh;
		2427	aio_rename "$meta~", $meta;
1903		2428
1904	$exit->slaying ("?random/$md5");	2429	$exit->slaying ("?random/$md5");
1905	$exit->msg (undef);	2430	$exit->msg (undef);
1906	}	2431	}
1907	}	2432	}
…		…
1909	sub cf::object::player::enter_exit {	2434	sub cf::object::player::enter_exit {
1910	my ($self, $exit) = @_;	2435	my ($self, $exit) = @_;
1911		2436
1912	return unless $self->type == cf::PLAYER;	2437	return unless $self->type == cf::PLAYER;
1913		2438
		2439	if ($exit->slaying eq "/!") {
		2440	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2441	# the problem is that $exit might not survive long enough
		2442	# so it needs to be done right now, right here
		2443	cf::sync_job { prepare_random_map $exit };
		2444	}
		2445
		2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2447	my $hp = $exit->stats->hp;
		2448	my $sp = $exit->stats->sp;
		2449
1914	$self->enter_link;	2450	$self->enter_link;
		2451
		2452	# if exit is damned, update players death & WoR home-position
		2453	$self->contr->savebed ($slaying, $hp, $sp)
		2454	if $exit->flag (FLAG_DAMNED);
1915		2455
1916	(async {	2456	(async {
1917	$self->deactivate_recursive; # just to be sure	2457	$self->deactivate_recursive; # just to be sure
1918	unless (eval {	2458	unless (eval {
1919	prepare_random_map $exit	2459	$self->goto ($slaying, $hp, $sp);
1920	if $exit->slaying eq "/!";
1921
1922	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1923	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1924		2460
1925	1;	2461	1;
1926	}) {	2462	}) {
1927	$self->message ("Something went wrong deep within the crossfire server. "	2463	$self->message ("Something went wrong deep within the crossfire server. "
1928	. "I'll try to bring you back to the map you were before. "	2464	. "I'll try to bring you back to the map you were before. "
1929	. "Please report this to the dungeon master!",	2465	. "Please report this to the dungeon master!",
1930	cf::NDI_UNIQUE | cf::NDI_RED);	2466	cf::NDI_UNIQUE | cf::NDI_RED);
1931		2467
1932	warn "ERROR in enter_exit: $@";	2468	warn "ERROR in enter_exit: $@";
1933	$self->leave_link;	2469	$self->leave_link;
1934	}	2470	}
1935	})->prio (1);	2471	})->prio (1);
…		…
1948		2484
1949	sub cf::client::send_drawinfo {	2485	sub cf::client::send_drawinfo {
1950	my ($self, $text, $flags) = @_;	2486	my ($self, $text, $flags) = @_;
1951		2487
1952	utf8::encode $text;	2488	utf8::encode $text;
1953	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1954	}	2490	}
1955		2491
		2492	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2493
		2494	Send a drawinfo or msg packet to the client, formatting the msg for the
		2495	client if neccessary. C<$type> should be a string identifying the type of
		2496	the message, with C<log> being the default. If C<$color> is negative, suppress
		2497	the message unless the client supports the msg packet.
		2498
		2499	=cut
		2500
		2501	sub cf::client::send_msg {
		2502	my ($self, $channel, $msg, $color, @extra) = @_;
		2503
		2504	$msg = $self->pl->expand_cfpod ($msg);
		2505
		2506	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2507
		2508	if (ref $channel) {
		2509	# send meta info to client, if not yet sent
		2510	unless (exists $self->{channel}{$channel->{id}}) {
		2511	$self->{channel}{$channel->{id}} = $channel;
		2512	$self->ext_msg (channel_info => $channel);
		2513	}
		2514
		2515	$channel = $channel->{id};
		2516	}
		2517
		2518	return unless @extra || length $msg;
		2519
		2520	if ($self->can_msg) {
		2521	# default colour, mask it out
		2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2523	if $color & cf::NDI_DEF;
		2524
		2525	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2527	} else {
		2528	if ($color >= 0) {
		2529	# replace some tags by gcfclient-compatible ones
		2530	for ($msg) {
		2531	1 while
		2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2537	}
		2538
		2539	$color &= cf::NDI_COLOR_MASK;
		2540
		2541	utf8::encode $msg;
		2542
		2543	if (0 && $msg =~ /\[/) {
		2544	# COMMAND/INFO
		2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2546	} else {
		2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2548	$self->send_packet ("drawinfo $color $msg")
		2549	}
		2550	}
		2551	}
		2552	}
		2553
		2554	=item $client->ext_msg ($type, @msg)
		2555
		2556	Sends an ext event to the client.
		2557
		2558	=cut
		2559
		2560	sub cf::client::ext_msg($$@) {
		2561	my ($self, $type, @msg) = @_;
		2562
		2563	my $extcmd = $self->extcmd;
		2564
		2565	if ($extcmd == 2) {
		2566	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2567	} elsif ($extcmd == 1) { # TODO: remove
		2568	push @msg, msgtype => "event_$type";
		2569	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2570	}
		2571	}
		2572
		2573	=item $client->ext_reply ($msgid, @msg)
		2574
		2575	Sends an ext reply to the client.
		2576
		2577	=cut
		2578
		2579	sub cf::client::ext_reply($$@) {
		2580	my ($self, $id, @msg) = @_;
		2581
		2582	if ($self->extcmd == 2) {
		2583	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2584	} elsif ($self->ns->extcmd == 1) {
		2585	#TODO: version 1, remove
		2586	unshift @msg, msgtype => "reply", msgid => $id;
		2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2588	}
		2589	}
1956		2590
1957	=item $success = $client->query ($flags, "text", \&cb)	2591	=item $success = $client->query ($flags, "text", \&cb)
1958		2592
1959	Queues a query to the client, calling the given callback with	2593	Queues a query to the client, calling the given callback with
1960	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2594	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1961	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2595	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1962		2596
1963	Queries can fail, so check the return code. Or don't, as queries will become	2597	Queries can fail, so check the return code. Or don't, as queries will
1964	reliable at some point in the future.	2598	become reliable at some point in the future.
1965		2599
1966	=cut	2600	=cut
1967		2601
1968	sub cf::client::query {	2602	sub cf::client::query {
1969	my ($self, $flags, $text, $cb) = @_;	2603	my ($self, $flags, $text, $cb) = @_;
…		…
1977	utf8::encode $text;	2611	utf8::encode $text;
1978	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2612	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1979		2613
1980	$self->send_packet ($self->{query_queue}[0][0])	2614	$self->send_packet ($self->{query_queue}[0][0])
1981	if @{ $self->{query_queue} } == 1;	2615	if @{ $self->{query_queue} } == 1;
		2616
		2617	1
1982	}	2618	}
1983		2619
1984	cf::client->attach (	2620	cf::client->attach (
		2621	on_connect => sub {
		2622	my ($ns) = @_;
		2623
		2624	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2625	},
1985	on_reply => sub {	2626	on_reply => sub {
1986	my ($ns, $msg) = @_;	2627	my ($ns, $msg) = @_;
1987		2628
1988	# this weird shuffling is so that direct followup queries	2629	# this weird shuffling is so that direct followup queries
1989	# get handled first	2630	# get handled first
1990	my $queue = delete $ns->{query_queue}	2631	my $queue = delete $ns->{query_queue}
1991	or return; # be conservative, not sure how that can happen, but we saw a crash here	2632	or return; # be conservative, not sure how that can happen, but we saw a crash here
1992		2633
1993	(shift @$queue)->[1]->($msg);	2634	(shift @$queue)->[1]->($msg);
		2635	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1994		2636
1995	push @{ $ns->{query_queue} }, @$queue;	2637	push @{ $ns->{query_queue} }, @$queue;
1996		2638
1997	if (@{ $ns->{query_queue} } == @$queue) {	2639	if (@{ $ns->{query_queue} } == @$queue) {
1998	if (@$queue) {	2640	if (@$queue) {
…		…
2000	} else {	2642	} else {
2001	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2643	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2002	}	2644	}
2003	}	2645	}
2004	},	2646	},
		2647	on_exticmd => sub {
		2648	my ($ns, $buf) = @_;
		2649
		2650	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2651
		2652	if (ref $msg) {
		2653	my ($type, $reply, @payload) =
		2654	"ARRAY" eq ref $msg
		2655	? @$msg
		2656	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2657
		2658	my @reply;
		2659
		2660	if (my $cb = $EXTICMD{$type}) {
		2661	@reply = $cb->($ns, @payload);
		2662	}
		2663
		2664	$ns->ext_reply ($reply, @reply)
		2665	if $reply;
		2666
		2667	} else {
		2668	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2669	}
		2670
		2671	cf::override;
		2672	},
2005	);	2673	);
2006		2674
2007	=item $client->async (\&cb)	2675	=item $client->async (\&cb)
2008		2676
2009	Create a new coroutine, running the specified callback. The coroutine will	2677	Create a new coroutine, running the specified callback. The coroutine will
…		…
2050	our $safe = new Safe "safe";	2718	our $safe = new Safe "safe";
2051	our $safe_hole = new Safe::Hole;	2719	our $safe_hole = new Safe::Hole;
2052		2720
2053	$SIG{FPE} = 'IGNORE';	2721	$SIG{FPE} = 'IGNORE';
2054		2722
2055	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2723	$safe->permit_only (Opcode::opset qw(
		2724	:base_core :base_mem :base_orig :base_math
		2725	grepstart grepwhile mapstart mapwhile
		2726	sort time
		2727	));
2056		2728
2057	# here we export the classes and methods available to script code	2729	# here we export the classes and methods available to script code
2058		2730
2059	=pod	2731	=pod
2060		2732
2061	The following fucntions and emthods are available within a safe environment:	2733	The following functions and methods are available within a safe environment:
2062		2734
2063	cf::object contr pay_amount pay_player map	2735	cf::object
		2736	contr pay_amount pay_player map x y force_find force_add
		2737	insert remove name archname title slaying race decrease_ob_nr
		2738
2064	cf::object::player player	2739	cf::object::player
2065	cf::player peaceful	2740	player
2066	cf::map trigger	2741
		2742	cf::player
		2743	peaceful
		2744
		2745	cf::map
		2746	trigger
2067		2747
2068	=cut	2748	=cut
2069		2749
2070	for (	2750	for (
2071	["cf::object" => qw(contr pay_amount pay_player map)],	2751	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2752	insert remove inv name archname title slaying race
		2753	decrease_ob_nr)],
2072	["cf::object::player" => qw(player)],	2754	["cf::object::player" => qw(player)],
2073	["cf::player" => qw(peaceful)],	2755	["cf::player" => qw(peaceful)],
2074	["cf::map" => qw(trigger)],	2756	["cf::map" => qw(trigger)],
2075	) {	2757	) {
2076	no strict 'refs';	2758	no strict 'refs';
…		…
2147	=back	2829	=back
2148		2830
2149	=cut	2831	=cut
2150		2832
2151	#############################################################################	2833	#############################################################################
		2834	# the server's init and main functions
2152		2835
2153	=head2 EXTENSION DATABASE SUPPORT	2836	sub load_facedata($) {
		2837	my ($path) = @_;
2154		2838
2155	Crossfire maintains a very simple database for extension use. It can	2839	my $enc = JSON::XS->new->utf8->canonical;
2156	currently store anything that can be serialised using Storable, which
2157	excludes objects.
2158		2840
2159	The parameter C<$family> should best start with the name of the extension	2841	warn "loading facedata from $path\n";
2160	using it, it should be unique.
2161		2842
2162	=over 4	2843	my $facedata;
		2844	0 < aio_load $path, $facedata
		2845	or die "$path: $!";
2163		2846
2164	=item $hashref = cf::db_get $family	2847	$facedata = Coro::Storable::thaw $facedata;
2165		2848
2166	Return a hashref for use by the extension C<$family>, which can be	2849	$facedata->{version} == 2
2167	modified. After modifications, you have to call C<cf::db_dirty> or	2850	or cf::cleanup "$path: version mismatch, cannot proceed.";
2168	C<cf::db_sync>.
2169		2851
2170	=item $value = cf::db_get $family => $key	2852	# patch in the exptable
2171		2853	$facedata->{resource}{"res/exp_table"} = {
2172	Returns a single value from the database	2854	type => FT_RSRC,
2173		2855	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2174	=item cf::db_put $family => $hashref
2175
2176	Stores the given family hashref into the database. Updates are delayed, if
2177	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2178
2179	=item cf::db_put $family => $key => $value
2180
2181	Stores the given C<$value> in the family hash. Updates are delayed, if you
2182	want the data to be synced to disk immediately, use C<cf::db_sync>.
2183
2184	=item cf::db_dirty
2185
2186	Marks the database as dirty, to be updated at a later time.
2187
2188	=item cf::db_sync
2189
2190	Immediately write the database to disk I<if it is dirty>.
2191
2192	=cut
2193
2194	our $DB;
2195
2196	{
2197	my $path = cf::localdir . "/database.pst";
2198
2199	sub db_load() {
2200	$DB = stat $path ? Storable::retrieve $path : { };
2201	}
2202
2203	my $pid;
2204
2205	sub db_save() {
2206	waitpid $pid, 0 if $pid;
2207	if (0 == ($pid = fork)) {
2208	$DB->{_meta}{version} = 1;
2209	Storable::nstore $DB, "$path~";
2210	rename "$path~", $path;
2211	cf::_exit 0 if defined $pid;
2212	}
2213	}
2214
2215	my $dirty;
2216
2217	sub db_sync() {
2218	db_save if $dirty;
2219	undef $dirty;
2220	}
2221
2222	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2223	db_sync;
2224	});	2856	};
		2857	cf::cede_to_tick;
2225		2858
2226	sub db_dirty() {
2227	$dirty = 1;
2228	$idle->start;
2229	}	2859	{
		2860	my $faces = $facedata->{faceinfo};
2230		2861
2231	sub db_get($;$) {	2862	while (my ($face, $info) = each %$faces) {
2232	@_ >= 2	2863	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2233	? $DB->{$_[0]}{$_[1]}	2864	cf::face::set_visibility $idx, $info->{visibility};
2234	: ($DB->{$_[0]} ||= { })	2865	cf::face::set_magicmap $idx, $info->{magicmap};
2235	}	2866	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2867	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2236		2868
2237	sub db_put($$;$) {	2869	cf::cede_to_tick;
2238	if (@_ >= 3) {
2239	$DB->{$_[0]}{$_[1]} = $_[2];
2240	} else {
2241	$DB->{$_[0]} = $_[1];
2242	}
2243	db_dirty;
2244	}
2245
2246	cf::global->attach (
2247	prio => 10000,
2248	on_cleanup => sub {
2249	db_sync;
2250	},	2870	}
2251	);
2252	}
2253		2871
2254	#############################################################################	2872	while (my ($face, $info) = each %$faces) {
2255	# the server's main()	2873	next unless $info->{smooth};
		2874	my $idx = cf::face::find $face
		2875	or next;
		2876	if (my $smooth = cf::face::find $info->{smooth}) {
		2877	cf::face::set_smooth $idx, $smooth;
		2878	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2879	} else {
		2880	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2881	}
		2882
		2883	cf::cede_to_tick;
		2884	}
		2885	}
		2886
		2887	{
		2888	my $anims = $facedata->{animinfo};
		2889
		2890	while (my ($anim, $info) = each %$anims) {
		2891	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2892	cf::cede_to_tick;
		2893	}
		2894
		2895	cf::anim::invalidate_all; # d'oh
		2896	}
		2897
		2898	{
		2899	# TODO: for gcfclient pleasure, we should give resources
		2900	# that gcfclient doesn't grok a >10000 face index.
		2901	my $res = $facedata->{resource};
		2902
		2903	my $soundconf = delete $res->{"res/sound.conf"};
		2904
		2905	while (my ($name, $info) = each %$res) {
		2906	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2907	my $data;
		2908
		2909	if ($info->{type} & 1) {
		2910	# prepend meta info
		2911
		2912	my $meta = $enc->encode ({
		2913	name => $name,
		2914	%{ $info->{meta} || {} },
		2915	});
		2916
		2917	$data = pack "(w/a*)*", $meta, $info->{data};
		2918	} else {
		2919	$data = $info->{data};
		2920	}
		2921
		2922	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2923	cf::face::set_type $idx, $info->{type};
		2924
		2925	cf::cede_to_tick;
		2926	}
		2927
		2928	if ($soundconf) {
		2929	$soundconf = $enc->decode (delete $soundconf->{data});
		2930
		2931	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2932	my $sound = $soundconf->{compat}[$_]
		2933	or next;
		2934
		2935	my $face = cf::face::find "sound/$sound->[1]";
		2936	cf::sound::set $sound->[0] => $face;
		2937	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2938	}
		2939
		2940	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2941	my $face = cf::face::find "sound/$v";
		2942	cf::sound::set $k => $face;
		2943	}
		2944	}
		2945	}
		2946
		2947	1
		2948	}
		2949
		2950	register_exticmd fx_want => sub {
		2951	my ($ns, $want) = @_;
		2952
		2953	while (my ($k, $v) = each %$want) {
		2954	$ns->fx_want ($k, $v);
		2955	}
		2956	};
		2957
		2958	sub reload_regions {
		2959	load_resource_file "$MAPDIR/regions"
		2960	or die "unable to load regions file\n";
		2961
		2962	for (cf::region::list) {
		2963	$_->{match} = qr/$_->{match}/
		2964	if exists $_->{match};
		2965	}
		2966	}
		2967
		2968	sub reload_facedata {
		2969	load_facedata "$DATADIR/facedata"
		2970	or die "unable to load facedata\n";
		2971	}
		2972
		2973	sub reload_archetypes {
		2974	load_resource_file "$DATADIR/archetypes"
		2975	or die "unable to load archetypes\n";
		2976	#d# NEED to laod twice to resolve forward references
		2977	# this really needs to be done in an extra post-pass
		2978	# (which needs to be synchronous, so solve it differently)
		2979	load_resource_file "$DATADIR/archetypes"
		2980	or die "unable to load archetypes\n";
		2981	}
		2982
		2983	sub reload_treasures {
		2984	load_resource_file "$DATADIR/treasures"
		2985	or die "unable to load treasurelists\n";
		2986	}
		2987
		2988	sub reload_resources {
		2989	warn "reloading resource files...\n";
		2990
		2991	reload_regions;
		2992	reload_facedata;
		2993	#reload_archetypes;#d#
		2994	reload_archetypes;
		2995	reload_treasures;
		2996
		2997	warn "finished reloading resource files\n";
		2998	}
		2999
		3000	sub init {
		3001	reload_resources;
		3002	}
2256		3003
2257	sub cfg_load {	3004	sub cfg_load {
2258	open my $fh, "<:utf8", cf::confdir . "/config"	3005	open my $fh, "<:utf8", "$CONFDIR/config"
2259	or return;	3006	or return;
2260		3007
2261	local $/;	3008	local $/;
2262	*CFG = YAML::Syck::Load <$fh>;	3009	*CFG = YAML::Syck::Load <$fh>;
2263		3010
…		…
2277		3024
2278	sub main {	3025	sub main {
2279	# we must not ever block the main coroutine	3026	# we must not ever block the main coroutine
2280	local $Coro::idle = sub {	3027	local $Coro::idle = sub {
2281	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3028	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3029	(async {
2282	async { Event::one_event };	3030	Event::one_event;
		3031	})->prio (Coro::PRIO_MAX);
2283	};	3032	};
2284		3033
2285	cfg_load;	3034	cfg_load;
2286	db_load;	3035	db_init;
2287	load_extensions;	3036	load_extensions;
		3037
		3038	$TICK_WATCHER->start;
2288	Event::loop;	3039	Event::loop;
2289	}	3040	}
2290		3041
2291	#############################################################################	3042	#############################################################################
2292	# initialisation and cleanup	3043	# initialisation and cleanup
2293		3044
2294	# install some emergency cleanup handlers	3045	# install some emergency cleanup handlers
2295	BEGIN {	3046	BEGIN {
2296	for my $signal (qw(INT HUP TERM)) {	3047	for my $signal (qw(INT HUP TERM)) {
2297	Event->signal (	3048	Event->signal (
		3049	reentrant => 0,
2298	data => WF_AUTOCANCEL,	3050	data => WF_AUTOCANCEL,
2299	signal => $signal,	3051	signal => $signal,
		3052	prio => 0,
2300	cb => sub {	3053	cb => sub {
2301	cf::cleanup "SIG$signal";	3054	cf::cleanup "SIG$signal";
2302	},	3055	},
2303	);	3056	);
2304	}	3057	}
2305	}	3058	}
2306		3059
		3060	sub write_runtime {
		3061	my $runtime = "$LOCALDIR/runtime";
		3062
		3063	# first touch the runtime file to show we are still running:
		3064	# the fsync below can take a very very long time.
		3065
		3066	IO::AIO::aio_utime $runtime, undef, undef;
		3067
		3068	my $guard = cf::lock_acquire "write_runtime";
		3069
		3070	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3071	or return;
		3072
		3073	my $value = $cf::RUNTIME + 90 + 10;
		3074	# 10 is the runtime save interval, for a monotonic clock
		3075	# 60 allows for the watchdog to kill the server.
		3076
		3077	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3078	and return;
		3079
		3080	# always fsync - this file is important
		3081	aio_fsync $fh
		3082	and return;
		3083
		3084	# touch it again to show we are up-to-date
		3085	aio_utime $fh, undef, undef;
		3086
		3087	close $fh
		3088	or return;
		3089
		3090	aio_rename "$runtime~", $runtime
		3091	and return;
		3092
		3093	warn "runtime file written.\n";
		3094
		3095	1
		3096	}
		3097
2307	sub emergency_save() {	3098	sub emergency_save() {
2308	my $freeze_guard = cf::freeze_mainloop;	3099	my $freeze_guard = cf::freeze_mainloop;
2309		3100
2310	warn "enter emergency perl save\n";	3101	warn "enter emergency perl save\n";
2311		3102
2312	cf::sync_job {	3103	cf::sync_job {
2313	# use a peculiar iteration method to avoid tripping on perl	3104	# use a peculiar iteration method to avoid tripping on perl
2314	# refcount bugs in for. also avoids problems with players	3105	# refcount bugs in for. also avoids problems with players
2315	# and maps saved/Destroyed asynchronously.	3106	# and maps saved/destroyed asynchronously.
2316	warn "begin emergency player save\n";	3107	warn "begin emergency player save\n";
2317	for my $login (keys %cf::PLAYER) {	3108	for my $login (keys %cf::PLAYER) {
2318	my $pl = $cf::PLAYER{$login} or next;	3109	my $pl = $cf::PLAYER{$login} or next;
2319	$pl->valid or next;	3110	$pl->valid or next;
2320	$pl->save;	3111	$pl->save;
…		…
2326	my $map = $cf::MAP{$path} or next;	3117	my $map = $cf::MAP{$path} or next;
2327	$map->valid or next;	3118	$map->valid or next;
2328	$map->save;	3119	$map->save;
2329	}	3120	}
2330	warn "end emergency map save\n";	3121	warn "end emergency map save\n";
		3122
		3123	warn "begin emergency database checkpoint\n";
		3124	BDB::db_env_txn_checkpoint $DB_ENV;
		3125	warn "end emergency database checkpoint\n";
2331	};	3126	};
2332		3127
2333	warn "leave emergency perl save\n";	3128	warn "leave emergency perl save\n";
2334	}	3129	}
2335		3130
		3131	sub post_cleanup {
		3132	my ($make_core) = @_;
		3133
		3134	warn Carp::longmess "post_cleanup backtrace"
		3135	if $make_core;
		3136	}
		3137
2336	sub reload() {	3138	sub do_reload_perl() {
2337	# can/must only be called in main	3139	# can/must only be called in main
2338	if ($Coro::current != $Coro::main) {	3140	if ($Coro::current != $Coro::main) {
2339	warn "can only reload from main coroutine\n";	3141	warn "can only reload from main coroutine";
2340	return;	3142	return;
2341	}	3143	}
2342		3144
2343	warn "reloading...";	3145	warn "reloading...";
2344		3146
2345	my $guard = freeze_mainloop;	3147	warn "entering sync_job";
		3148
		3149	cf::sync_job {
		3150	cf::write_runtime; # external watchdog should not bark
2346	cf::emergency_save;	3151	cf::emergency_save;
		3152	cf::write_runtime; # external watchdog should not bark
2347		3153
2348	eval {	3154	warn "syncing database to disk";
		3155	BDB::db_env_txn_checkpoint $DB_ENV;
		3156
2349	# if anything goes wrong in here, we should simply crash as we already saved	3157	# if anything goes wrong in here, we should simply crash as we already saved
2350		3158
2351	# cancel all watchers	3159	warn "cancelling all WF_AUTOCANCEL watchers";
2352	for (Event::all_watchers) {	3160	for (Event::all_watchers) {
2353	$_->cancel if $_->data & WF_AUTOCANCEL;	3161	$_->cancel if $_->data & WF_AUTOCANCEL;
2354	}	3162	}
2355		3163
		3164	warn "flushing outstanding aio requests";
		3165	for (;;) {
		3166	BDB::flush;
		3167	IO::AIO::flush;
		3168	Coro::cede;
		3169	last unless IO::AIO::nreqs || BDB::nreqs;
		3170	warn "iterate...";
		3171	}
		3172
		3173	++$RELOAD;
		3174
2356	# cancel all extension coros	3175	warn "cancelling all extension coros";
2357	$_->cancel for values %EXT_CORO;	3176	$_->cancel for values %EXT_CORO;
2358	%EXT_CORO = ();	3177	%EXT_CORO = ();
2359		3178
2360	# unload all extensions	3179	warn "removing commands";
2361	for (@exts) {	3180	%COMMAND = ();
		3181
		3182	warn "removing ext/exti commands";
		3183	%EXTCMD = ();
		3184	%EXTICMD = ();
		3185
		3186	warn "unloading/nuking all extensions";
		3187	for my $pkg (@EXTS) {
2362	warn "unloading <$_>";	3188	warn "... unloading $pkg";
2363	unload_extension $_;	3189
		3190	if (my $cb = $pkg->can ("unload")) {
		3191	eval {
		3192	$cb->($pkg);
		3193	1
		3194	} or warn "$pkg unloaded, but with errors: $@";
2364	}	3195	}
2365		3196
		3197	warn "... nuking $pkg";
		3198	Symbol::delete_package $pkg;
		3199	}
		3200
2366	# unload all modules loaded from $LIBDIR	3201	warn "unloading all perl modules loaded from $LIBDIR";
2367	while (my ($k, $v) = each %INC) {	3202	while (my ($k, $v) = each %INC) {
2368	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3203	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2369		3204
2370	warn "removing <$k>";	3205	warn "... unloading $k";
2371	delete $INC{$k};	3206	delete $INC{$k};
2372		3207
2373	$k =~ s/\.pm$//;	3208	$k =~ s/\.pm$//;
2374	$k =~ s/\//::/g;	3209	$k =~ s/\//::/g;
2375		3210
…		…
2378	}	3213	}
2379		3214
2380	Symbol::delete_package $k;	3215	Symbol::delete_package $k;
2381	}	3216	}
2382		3217
2383	# sync database to disk
2384	cf::db_sync;
2385	IO::AIO::flush;
2386
2387	# get rid of safe::, as good as possible	3218	warn "getting rid of safe::, as good as possible";
2388	Symbol::delete_package "safe::$_"	3219	Symbol::delete_package "safe::$_"
2389	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3220	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2390		3221
2391	# remove register_script_function callbacks
2392	# TODO
2393
2394	# unload cf.pm "a bit"	3222	warn "unloading cf.pm \"a bit\"";
2395	delete $INC{"cf.pm"};	3223	delete $INC{"cf.pm"};
		3224	delete $INC{"cf/pod.pm"};
2396		3225
2397	# don't, removes xs symbols, too,	3226	# don't, removes xs symbols, too,
2398	# and global variables created in xs	3227	# and global variables created in xs
2399	#Symbol::delete_package __PACKAGE__;	3228	#Symbol::delete_package __PACKAGE__;
2400		3229
2401	# reload cf.pm	3230	warn "unload completed, starting to reload now";
		3231
2402	warn "reloading cf.pm";	3232	warn "reloading cf.pm";
2403	require cf;	3233	require cf;
2404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3234	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2405		3235
2406	# load config and database again	3236	warn "loading config and database again";
2407	cf::cfg_load;	3237	cf::cfg_load;
2408	cf::db_load;
2409		3238
2410	# load extensions
2411	warn "load extensions";	3239	warn "loading extensions";
2412	cf::load_extensions;	3240	cf::load_extensions;
2413		3241
2414	# reattach attachments to objects	3242	warn "reattaching attachments to objects/players";
2415	warn "reattach";	3243	_global_reattach; # objects, sockets
2416	_global_reattach;	3244	warn "reattaching attachments to maps";
2417	reattach $_ for values %MAP;	3245	reattach $_ for values %MAP;
2418	};	3246	warn "reattaching attachments to players";
		3247	reattach $_ for values %PLAYER;
2419		3248
2420	if ($@) {	3249	warn "leaving sync_job";
		3250
		3251	1
		3252	} or do {
2421	warn $@;	3253	warn $@;
2422	warn "error while reloading, exiting.";	3254	warn "error while reloading, exiting.";
2423	exit 1;	3255	exit 1;
2424	}	3256	};
2425		3257
2426	warn "reloaded successfully";	3258	warn "reloaded";
2427	};	3259	};
2428		3260
2429	#############################################################################	3261	our $RELOAD_WATCHER; # used only during reload
2430		3262
2431	unless ($LINK_MAP) {	3263	sub reload_perl() {
2432	$LINK_MAP = cf::map::new;	3264	# doing reload synchronously and two reloads happen back-to-back,
		3265	# coro crashes during coro_state_free->destroy here.
2433		3266
2434	$LINK_MAP->width (41);	3267	$RELOAD_WATCHER ||= Event->timer (
2435	$LINK_MAP->height (41);	3268	reentrant => 0,
2436	$LINK_MAP->alloc;
2437	$LINK_MAP->path ("{link}");
2438	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2439	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2440
2441	# dirty hack because... archetypes are not yet loaded
2442	Event->timer (
2443	after => 10,	3269	after => 0,
		3270	data => WF_AUTOCANCEL,
2444	cb => sub {	3271	cb => sub {
2445	$_[0]->w->cancel;	3272	do_reload_perl;
2446		3273	undef $RELOAD_WATCHER;
2447	# provide some exits "home"
2448	my $exit = cf::object::new "exit";
2449
2450	$exit->slaying ($EMERGENCY_POSITION->[0]);
2451	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2452	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2453
2454	$LINK_MAP->insert ($exit->clone, 19, 19);
2455	$LINK_MAP->insert ($exit->clone, 19, 20);
2456	$LINK_MAP->insert ($exit->clone, 19, 21);
2457	$LINK_MAP->insert ($exit->clone, 20, 19);
2458	$LINK_MAP->insert ($exit->clone, 20, 21);
2459	$LINK_MAP->insert ($exit->clone, 21, 19);
2460	$LINK_MAP->insert ($exit->clone, 21, 20);
2461	$LINK_MAP->insert ($exit->clone, 21, 21);
2462
2463	$exit->destroy;
2464	});	3274	},
2465		3275	);
2466	$LINK_MAP->{deny_save} = 1;
2467	$LINK_MAP->{deny_reset} = 1;
2468
2469	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2470	}	3276	}
2471
2472	register "<global>", __PACKAGE__;
2473		3277
2474	register_command "reload" => sub {	3278	register_command "reload" => sub {
2475	my ($who, $arg) = @_;	3279	my ($who, $arg) = @_;
2476		3280
2477	if ($who->flag (FLAG_WIZ)) {	3281	if ($who->flag (FLAG_WIZ)) {
2478	$who->message ("start of reload.");
2479	reload;
2480	$who->message ("end of reload.");	3282	$who->message ("reloading server.");
		3283	async { reload_perl };
2481	}	3284	}
2482	};	3285	};
2483		3286
2484	unshift @INC, $LIBDIR;	3287	unshift @INC, $LIBDIR;
2485		3288
		3289	my $bug_warning = 0;
		3290
		3291	our @WAIT_FOR_TICK;
		3292	our @WAIT_FOR_TICK_BEGIN;
		3293
		3294	sub wait_for_tick {
		3295	return unless $TICK_WATCHER->is_active;
		3296	return if $Coro::current == $Coro::main;
		3297
		3298	my $signal = new Coro::Signal;
		3299	push @WAIT_FOR_TICK, $signal;
		3300	$signal->wait;
		3301	}
		3302
		3303	sub wait_for_tick_begin {
		3304	return unless $TICK_WATCHER->is_active;
		3305	return if $Coro::current == $Coro::main;
		3306
		3307	my $signal = new Coro::Signal;
		3308	push @WAIT_FOR_TICK_BEGIN, $signal;
		3309	$signal->wait;
		3310	}
		3311
		3312	my $min = 1e6;#d#
		3313	my $avg = 10;
2486	$TICK_WATCHER = Event->timer (	3314	$TICK_WATCHER = Event->timer (
2487	reentrant => 0,	3315	reentrant => 0,
		3316	parked => 1,
2488	prio => 0,	3317	prio => 0,
2489	at => $NEXT_TICK || $TICK,	3318	at => $NEXT_TICK || $TICK,
2490	data => WF_AUTOCANCEL,	3319	data => WF_AUTOCANCEL,
2491	cb => sub {	3320	cb => sub {
		3321	if ($Coro::current != $Coro::main) {
		3322	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3323	unless ++$bug_warning > 10;
		3324	return;
		3325	}
		3326
		3327	$NOW = $tick_start = Event::time;
		3328
2492	cf::server_tick; # one server iteration	3329	cf::server_tick; # one server iteration
		3330
		3331	0 && sync_job {#d#
		3332	for(1..10) {
		3333	my $t = Event::time;
		3334	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3335	or die;
		3336
		3337	$map->width (50);
		3338	$map->height (50);
		3339	$map->alloc;
		3340	$map->_load_objects ("/tmp/x.map", 1);
		3341	my $t = Event::time - $t;
		3342
		3343	#next unless $t < 0.0013;#d#
		3344	if ($t < $min) {
		3345	$min = $t;
		3346	}
		3347	$avg = $avg * 0.99 + $t * 0.01;
		3348	}
		3349	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3350	exit 0;
		3351	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3352	};
		3353
2493	$RUNTIME += $TICK;	3354	$RUNTIME += $TICK;
2494	$NEXT_TICK += $TICK;	3355	$NEXT_TICK += $TICK;
2495		3356
2496	$WAIT_FOR_TICK->broadcast;	3357	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2497	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3358	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3359	Coro::async_pool {
		3360	write_runtime
		3361	or warn "ERROR: unable to write runtime file: $!";
		3362	};
		3363	}
		3364
		3365	# my $AFTER = Event::time;
		3366	# warn $AFTER - $NOW;#d#
		3367
		3368	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3369	$sig->send;
		3370	}
		3371	while (my $sig = shift @WAIT_FOR_TICK) {
		3372	$sig->send;
		3373	}
		3374
		3375	$NOW = Event::time;
2498		3376
2499	# if we are delayed by four ticks or more, skip them all	3377	# if we are delayed by four ticks or more, skip them all
2500	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3378	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2501		3379
2502	$TICK_WATCHER->at ($NEXT_TICK);	3380	$TICK_WATCHER->at ($NEXT_TICK);
2503	$TICK_WATCHER->start;	3381	$TICK_WATCHER->start;
		3382
		3383	$LOAD = ($NOW - $tick_start) / $TICK;
		3384	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3385
		3386	_post_tick;
		3387
		3388
2504	},	3389	},
2505	);	3390	);
2506		3391
		3392	{
2507	IO::AIO::max_poll_time $TICK * 0.2;	3393	BDB::max_poll_time $TICK * 0.1;
2508		3394	$BDB_POLL_WATCHER = Event->io (
2509	Event->io (	3395	reentrant => 0,
2510	fd => IO::AIO::poll_fileno,	3396	fd => BDB::poll_fileno,
2511	poll => 'r',	3397	poll => 'r',
2512	prio => 5,	3398	prio => 0,
2513	data => WF_AUTOCANCEL,
2514	cb => \&IO::AIO::poll_cb,
2515	);
2516
2517	Event->timer (
2518	data => WF_AUTOCANCEL,	3399	data => WF_AUTOCANCEL,
2519	after => 0,	3400	cb => \&BDB::poll_cb,
2520	interval => 10,	3401	);
2521	cb => sub {	3402	BDB::min_parallel 8;
2522	(Coro::unblock_sub {	3403
2523	write_runtime	3404	BDB::set_sync_prepare {
2524	or warn "ERROR: unable to write runtime file: $!";	3405	my $status;
		3406	my $current = $Coro::current;
		3407	(
		3408	sub {
		3409	$status = $!;
		3410	$current->ready; undef $current;
		3411	},
		3412	sub {
		3413	Coro::schedule while defined $current;
		3414	$! = $status;
		3415	},
		3416	)
		3417	};
		3418
		3419	unless ($DB_ENV) {
		3420	$DB_ENV = BDB::db_env_create;
		3421
		3422	cf::sync_job {
		3423	eval {
		3424	BDB::db_env_open
		3425	$DB_ENV,
		3426	$BDBDIR,
		3427	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3428	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3429	0666;
		3430
		3431	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3432
		3433	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3434	$DB_ENV->set_lk_detect;
		3435	};
		3436
		3437	cf::cleanup "db_env_open(db): $@" if $@;
2525	})->();	3438	};
2526	},	3439	}
2527	);	3440	}
		3441
		3442	{
		3443	IO::AIO::min_parallel 8;
		3444
		3445	undef $Coro::AIO::WATCHER;
		3446	IO::AIO::max_poll_time $TICK * 0.1;
		3447	$AIO_POLL_WATCHER = Event->io (
		3448	reentrant => 0,
		3449	data => WF_AUTOCANCEL,
		3450	fd => IO::AIO::poll_fileno,
		3451	poll => 'r',
		3452	prio => 6,
		3453	cb => \&IO::AIO::poll_cb,
		3454	);
		3455	}
		3456
		3457	my $_log_backtrace;
		3458
		3459	sub _log_backtrace {
		3460	my ($msg, @addr) = @_;
		3461
		3462	$msg =~ s/\n//;
		3463
		3464	# limit the # of concurrent backtraces
		3465	if ($_log_backtrace < 2) {
		3466	++$_log_backtrace;
		3467	async {
		3468	my @bt = fork_call {
		3469	@addr = map { sprintf "%x", $_ } @addr;
		3470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3471	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3472	or die "addr2line: $!";
		3473
		3474	my @funcs;
		3475	my @res = <$fh>;
		3476	chomp for @res;
		3477	while (@res) {
		3478	my ($func, $line) = splice @res, 0, 2, ();
		3479	push @funcs, "[$func] $line";
		3480	}
		3481
		3482	@funcs
		3483	};
		3484
		3485	LOG llevInfo, "[ABT] $msg\n";
		3486	LOG llevInfo, "[ABT] $_\n" for @bt;
		3487	--$_log_backtrace;
		3488	};
		3489	} else {
		3490	LOG llevInfo, "[ABT] $msg\n";
		3491	LOG llevInfo, "[ABT] [suppressed]\n";
		3492	}
		3493	}
		3494
		3495	# load additional modules
		3496	use cf::pod;
2528		3497
2529	END { cf::emergency_save }	3498	END { cf::emergency_save }
2530		3499
2531	1	3500	1
2532		3501

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