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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.163 by root, Thu Jan 11 01:01:56 2007 UTC vs.
Revision 1.354 by root, Sun Sep 2 12:26:54 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 ();
		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 = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	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(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	80	our $NEXT_TICK;
50	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;
51		86
52	our %CFG;	87	our %CFG;
53		88
54	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	90	our $RUNTIME;
56		91
57	our %PLAYER; # all users	92	our %PLAYER; # all users
58	our %MAP; # all maps	93	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		95
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
63	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 $tick_start; # for load detecting purposes
64		102
65	binmode STDOUT;	103	binmode STDOUT;
66	binmode STDERR;	104	binmode STDERR;
67		105
68	# read virtual server time, if available	106	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
73	}	111	}
74		112
75	mkdir cf::localdir;	113	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		115
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
84		119
85	#############################################################################	120	#############################################################################
86		121
87	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
88		123
…		…
95	=item $cf::RUNTIME	130	=item $cf::RUNTIME
96		131
97	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
98	every server tick.	133	every server tick.
99		134
100	=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
101		138
102	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
103	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.
104		143
105	=item $cf::NOW	144	=item $cf::NOW
106		145
107	The time of the last (current) server tick.	146	The time of the last (current) server tick.
108		147
109	=item $cf::TICK	148	=item $cf::TICK
110		149
111	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.
112		161
113	=item %cf::CFG	162	=item %cf::CFG
114		163
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	165	from wherever your confdir points to.
117		166
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		168
120	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
121	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
122	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.
123	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.
124		178
125	=back	179	=back
126		180
127	=cut	181	=cut
128		182
129	BEGIN {	183	BEGIN {
130	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	185	my $msg = join "", @_;
132	utf8::encode $msg;
133		186
134	$msg .= "\n"	187	$msg .= "\n"
135	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
136		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
137	LOG llevError, $msg;	193	LOG llevError, $msg;
138	};	194	};
139	}	195	}
140		196
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@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';
146	@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)
147		204
148	# 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
149	# within the Safe compartment.	206	# within the Safe compartment.
150	for my $pkg (qw(	207	for my $pkg (qw(
151	cf::global cf::attachable	208	cf::global cf::attachable
…		…
159	}	216	}
160		217
161	$Event::DIED = sub {	218	$Event::DIED = sub {
162	warn "error in event callback: @_";	219	warn "error in event callback: @_";
163	};	220	};
		221
		222	#############################################################################
164		223
165	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
166		225
167	=over 4	226	=over 4
168		227
…		…
187	$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;
188	$d	247	$d
189	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
190	}	249	}
191		250
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
195		252
196	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
197		254
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
206		256
207	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
208		258
209	=cut	259	=cut
210		260
211	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
213	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
214	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
215		265
216	=item cf::lock_wait $string	266	=item cf::lock_wait $string
217		267
218	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
219		269
…		…
222	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
223	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
224	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
225	returned.	275	returned.
226		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
227	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
229		286
230	=cut	287	=cut
231		288
232	our %LOCK;	289	our %LOCK;
233		290
…		…
253	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
255	}	312	}
256	}	313	}
257		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
258	sub freeze_mainloop {	321	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
260		323
261	my $guard = Coro::guard { $TICK_WATCHER->start };	324	my $guard = Coro::guard {
		325	$TICK_WATCHER->start;
		326	};
262	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
263	$guard	328	$guard
		329	}
		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
264	}	385	}
265		386
266	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
267		388
268	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		394
274	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
275		396
276	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
277		398
278	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
281		403
282	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
285	fast or be very important.	407	fast or be very important.
…		…
288		410
289	sub sync_job(&) {	411	sub sync_job(&) {
290	my ($job) = @_;	412	my ($job) = @_;
291		413
292	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
293	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
295		419
296	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
308		432
309	while ($busy) {	433	while ($busy) {
310	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
311	}	435	}
312		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
313	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
314	} else {	445	} else {
315	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
316		447
317	$job->()	448	$job->()
…		…
336	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
337		468
338	$coro	469	$coro
339	}	470	}
340		471
341	sub write_runtime {	472	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		473
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
345	or return;	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
346		478
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	479	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		480
351	aio_fsync $fh	481	sub fork_call(&@) {
352	and return;	482	my ($cb, @args) = @_;
353		483
354	close $fh	484	# we seemingly have to make a local copy of the whole thing,
355	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
356		487
357	aio_rename "$runtime~", $runtime	488	my @res = Coro::Util::fork_eval {
358	and return;	489	reset_signals;
		490	&$cb
		491	}, @args;
359		492
		493	wantarray ? @res : $res[-1]
		494	}
		495
		496	=item $value = cf::db_get $family => $key
		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
360	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	621	}
362		622
363	=back	623	=back
364		624
365	=cut	625	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	package cf;
522		626
523	#############################################################################	627	#############################################################################
524		628
525	=head2 ATTACHABLE OBJECTS	629	=head2 ATTACHABLE OBJECTS
526		630
…		…
528	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
529	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
530		634
531	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
532	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
533	crossfire+).	637	Crossfire TRT).
534		638
535	=over 4	639	=over 4
536		640
537	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
538		642
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	757	our @CB_MAP = ();
654		758
655	my %attachment;	759	my %attachment;
656		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
657	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
659		769
660	use sort 'stable';	770	use sort 'stable';
661		771
…		…
695	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
696		806
697	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
698	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
699	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
700	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
701		811
702	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
703	my $pkg = shift @arg;	813	my $pkg = shift @arg;
704		814
705	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
734	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
735	}	845	}
736		846
737	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
738	} else {	848	} else {
739	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
740	}	850	}
741		851
742	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
743	}	853	}
744		854
…		…
746	if (ref $_[0]) {	856	if (ref $_[0]) {
747	_object_attach @_;	857	_object_attach @_;
748	} else {	858	} else {
749	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
750	}	860	}
		861	_recalc_want;
751	};	862	};
752		863
753	# all those should be optimised	864	# all those should be optimised
754	sub cf::attachable::detach {	865	sub cf::attachable::detach {
755	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
758	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
759	reattach ($obj);	870	reattach ($obj);
760	} else {	871	} else {
761	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
762	}	873	}
		874	_recalc_want;
763	};	875	};
764		876
765	sub cf::attachable::attached {	877	sub cf::attachable::attached {
766	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
767		879
…		…
782	";	894	";
783	die if $@;	895	die if $@;
784	}	896	}
785		897
786	our $override;	898	our $override;
787	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
788		900
789	sub override {	901	sub override {
790	$override = 1;	902	$override = 1;
791	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
792	}	904	}
793		905
794	sub do_invoke {	906	sub do_invoke {
795	my $event = shift;	907	my $event = shift;
796	my $callbacks = shift;	908	my $callbacks = shift;
797		909
798	@invoke_results = ();	910	@INVOKE_RESULTS = ();
799		911
800	local $override;	912	local $override;
801		913
802	for (@$callbacks) {	914	for (@$callbacks) {
803	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
820		932
821	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
822		934
823	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
824	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
825	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
826		938
827	=back	939	=back
828		940
829	=cut	941	=cut
830		942
831	#############################################################################	943	#############################################################################
832	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
833		956
834	sub reattach {	957	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		962
838	my $registry = $obj->registry;	963	my $registry = $obj->registry;
839		964
840	@$registry = ();	965	@$registry = ();
841		966
…		…
888	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
889		1014
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
892	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
893	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
894	close $fh;	1019	close $fh;
895		1020
896	if (@$objs) {	1021	if (@$objs) {
897	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
898	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
900	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
901	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	1027	close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
904	}	1029	}
905	} else {	1030	} else {
906	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
938	or return;	1063	or return;
939	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
940	}	1065	}
941		1066
942	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
943	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
944	return ($data, $av);	1069	return ($data, $av);
945	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
946		1077
947	#############################################################################	1078	#############################################################################
948	# command handling &c	1079	# command handling &c
949		1080
950	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
963	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
964	}	1095	}
965		1096
966	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
967		1098
968	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
969		1104
970	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
971	called.	1106	called.
972		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
973	=cut	1119	=cut
974		1120
975	sub register_extcmd {	1121	sub register_extcmd {
976	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
977		1123
978	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
979	}	1131	}
980		1132
981	cf::player->attach (	1133	cf::player->attach (
982	on_command => sub {	1134	on_command => sub {
983	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
992	cf::override;	1144	cf::override;
993	},	1145	},
994	on_extcmd => sub {	1146	on_extcmd => sub {
995	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
996		1148
997	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
998		1150
999	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
1000	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
1001	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
1002	$pl->ext_reply ($msg->{msgid}, %reply);
1003	}
1004	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
1005	} else {	1166	} else {
1006	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1007	}	1168	}
1008		1169
1009	cf::override;	1170	cf::override;
1010	},	1171	},
1011	);	1172	);
1012		1173
1013	sub load_extension {
1014	my ($path) = @_;
1015
1016	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1017	my $base = $1;
1018	my $pkg = $1;
1019	$pkg =~ s/[^[:word:]]/_/g;
1020	$pkg = "ext::$pkg";
1021
1022	warn "... loading '$path' into '$pkg'\n";
1023
1024	open my $fh, "<:utf8", $path
1025	or die "$path: $!";
1026
1027	my $source =
1028	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })
1031	. "\n};\n1";
1032
1033	eval $source
1034	or die $@ ? "$path: $@\n"
1035	: "extension disabled.\n";
1036
1037	push @EXTS, $pkg;
1038	}
1039
1040	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
1041	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
1042	next unless -r $ext;	1179	next unless -r $path;
1043	eval {	1180
1044	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
1045	1	1238	}
1046	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
1047	}	1244	};
1048	}	1245	}
1049		1246
1050	#############################################################################	1247	#############################################################################
1051	# load/save/clean perl data associated with a map
1052		1248
1053	*cf::mapsupport::on_clean = sub {	1249	=back
1054	my ($map) = @_;
1055
1056	my $path = $map->tmpname;
1057	defined $path or return;
1058
1059	unlink "$path.pst";
1060	};
1061
1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064	#############################################################################
1065		1250
1066	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
1067		1252
1068	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
1069		1254
…		…
1082	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
1083		1268
1084	=cut	1269	=cut
1085		1270
1086	sub playerdir($) {	1271	sub playerdir($) {
1087	cf::localdir	1272	"$PLAYERDIR/"
1088	. "/"
1089	. cf::playerdir
1090	. "/"
1091	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1092	}	1274	}
1093		1275
1094	sub path($) {	1276	sub path($) {
1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096		1278
1097	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
1098	}	1280	}
1099		1281
1100	sub find_active($) {	1282	sub find_active($) {
1101	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
1102	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
1105		1287
1106	sub exists($) {	1288	sub exists($) {
1107	my ($login) = @_;	1289	my ($login) = @_;
1108		1290
1109	$cf::PLAYER{$login}	1291	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	1292	or cf::sync_job { !aio_stat path $login }
1111	}	1293	}
1112		1294
1113	sub find($) {	1295	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	1296	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	1297	my $login = $_[0];
1116		1298
1117	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
1118		1300
1119	$cf::PLAYER{$_[0]} || do {	1301	$cf::PLAYER{$_[0]} || do {
		1302	# rename old playerfiles to new ones
		1303	#TODO: remove when no longer required
		1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1307	aio_unlink +(playerdir $login) . "/$login.pl";
		1308
1120	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
1121	or return;	1310	or return;
1122	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
1123	}	1312	}
1124	}	1313	}
…		…
1136		1325
1137	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1138	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1139		1328
1140	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1141	Coro::cede;	1330	cf::cede_to_tick;
1142	}	1331	}
1143		1332
1144	sub new($) {	1333	sub new($) {
1145	my ($login) = @_;	1334	my ($login) = @_;
1146		1335
…		…
1152	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1153		1342
1154	$self	1343	$self
1155	}	1344	}
1156		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
		1354	}
		1355
1157	=item $pl->quit_character	1356	=item $pl->quit_character
1158		1357
1159	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
1160	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1161		1360
1162	=cut	1361	=cut
1163		1362
1164	sub quit_character {	1363	sub quit_character {
1165	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1166		1367
1167	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1168	$pl->password ("*"); # this should lock out the player until we nuked the dir	1369	$pl->password ("*"); # this should lock out the player until we nuked the dir
1169		1370
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1175	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1179	$pl->destroy;	1380	$pl->destroy;
		1381
		1382	my $prefix = qr<^~\Q$name\E/>;
		1383
		1384	# nuke player maps
		1385	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1386
1180	IO::AIO::aio_rmtree $temp;	1387	IO::AIO::aio_rmtree $temp;
		1388	}
		1389
		1390	=item $pl->kick
		1391
		1392	Kicks a player out of the game. This destroys the connection.
		1393
		1394	=cut
		1395
		1396	sub kick {
		1397	my ($pl, $kicker) = @_;
		1398
		1399	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1400	$pl->killer ("kicked");
		1401	$pl->ns->destroy;
1181	}	1402	}
1182		1403
1183	=item cf::player::list_logins	1404	=item cf::player::list_logins
1184		1405
1185	Returns am arrayref of all valid playernames in the system, can take a	1406	Returns am arrayref of all valid playernames in the system, can take a
1186	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1187		1408
1188	=cut	1409	=cut
1189		1410
1190	sub list_logins {	1411	sub list_logins {
1191	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1192	or return [];	1413	or return [];
1193		1414
1194	my @logins;	1415	my @logins;
1195		1416
1196	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
		1418	my $path = path $login;
		1419
		1420	# a .pst is a dead give-away for a valid player
		1421	unless (-e "$path.pst") {
1197	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1422	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1198	aio_read $fh, 0, 512, my $buf, 0 or next;	1423	aio_read $fh, 0, 512, my $buf, 0 or next;
1199	$buf !~ /^password -------------$/m or next; # official not-valid tag	1424	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1425	}
1200		1426
1201	utf8::decode $login;	1427	utf8::decode $login;
1202	push @logins, $login;	1428	push @logins, $login;
1203	}	1429	}
1204		1430
1205	\@logins	1431	\@logins
1206	}	1432	}
1207		1433
1208	=item $player->maps	1434	=item $player->maps
1209		1435
1210	Returns an arrayref of cf::path's of all maps that are private for this	1436	Returns an arrayref of map paths that are private for this
1211	player. May block.	1437	player. May block.
1212		1438
1213	=cut	1439	=cut
1214		1440
1215	sub maps($) {	1441	sub maps($) {
1216	my ($pl) = @_;	1442	my ($pl) = @_;
		1443
		1444	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1445
1218	my $files = aio_readdir playerdir $pl	1446	my $files = aio_readdir playerdir $pl
1219	or return;	1447	or return;
1220		1448
1221	my @paths;	1449	my @paths;
…		…
1223	for (@$files) {	1451	for (@$files) {
1224	utf8::decode $_;	1452	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1453	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1454	next unless /^$PATH_SEP/o;
1227		1455
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1456	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1457	}
1230		1458
1231	\@paths	1459	\@paths
1232	}	1460	}
1233		1461
		1462	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1463
		1464	Expand crossfire pod fragments into protocol xml.
		1465
		1466	=cut
		1467
		1468	sub expand_cfpod {
		1469	((my $self), (local $_)) = @_;
		1470
		1471	# escape & and <
		1472	s/&/&amp;/g;
		1473	s/(?<![BIUGHT])</&lt;/g;
		1474
		1475	# this is buggy, it needs to properly take care of nested <'s
		1476
		1477	1 while
		1478	# replace B<>, I<>, U<> etc.
		1479	s/B<([^\>]*)>/<b>$1<\/b>/
		1480	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1481	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1482	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1483	# replace G<male|female> tags
		1484	|| s{G<([^>|]*)\|([^>]*)>}{
		1485	$self->gender ? $2 : $1
		1486	}ge
		1487	# replace H<hint text>
		1488	|| s{H<([^\>]*)>}
		1489	{
		1490	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1491	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1492	"")
		1493	[$self->{hintmode}]
		1494	}ge;
		1495
		1496	# create single paragraphs (very hackish)
		1497	s/(?<=\S)\n(?=\w)/ /g;
		1498
		1499	# compress some whitespace
		1500	s/\s+\n/\n/g; # ws line-ends
		1501	s/\n\n+/\n/g; # double lines
		1502	s/^\n+//; # beginning lines
		1503	s/\n+$//; # ending lines
		1504
		1505	$_
		1506	}
		1507
		1508	sub hintmode {
		1509	$_[0]{hintmode} = $_[1] if @_ > 1;
		1510	$_[0]{hintmode}
		1511	}
		1512
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1513	=item $player->ext_reply ($msgid, @msg)
1235		1514
1236	Sends an ext reply to the player.	1515	Sends an ext reply to the player.
1237		1516
1238	=cut	1517	=cut
1239		1518
1240	sub ext_reply($$$%) {	1519	sub ext_reply($$@) {
1241	my ($self, $id, %msg) = @_;	1520	my ($self, $id, @msg) = @_;
1242		1521
1243	$msg{msgid} = $id;	1522	$self->ns->ext_reply ($id, @msg)
1244
1245	$self->send ("ext " . cf::to_json \%msg);
1246	}	1523	}
1247		1524
1248	package cf;	1525	=item $player->ext_msg ($type, @msg)
		1526
		1527	Sends an ext event to the client.
		1528
		1529	=cut
		1530
		1531	sub ext_msg($$@) {
		1532	my ($self, $type, @msg) = @_;
		1533
		1534	$self->ns->ext_msg ($type, @msg);
		1535	}
		1536
		1537	=head3 cf::region
		1538
		1539	=over 4
		1540
		1541	=cut
		1542
		1543	package cf::region;
		1544
		1545	=item cf::region::find_by_path $path
		1546
		1547	Tries to decuce the likely region for a map knowing only its path.
		1548
		1549	=cut
		1550
		1551	sub find_by_path($) {
		1552	my ($path) = @_;
		1553
		1554	my ($match, $specificity);
		1555
		1556	for my $region (list) {
		1557	if ($region->{match} && $path =~ $region->{match}) {
		1558	($match, $specificity) = ($region, $region->specificity)
		1559	if $region->specificity > $specificity;
		1560	}
		1561	}
		1562
		1563	$match
		1564	}
1249		1565
1250	=back	1566	=back
1251
1252		1567
1253	=head3 cf::map	1568	=head3 cf::map
1254		1569
1255	=over 4	1570	=over 4
1256		1571
…		…
1259	package cf::map;	1574	package cf::map;
1260		1575
1261	use Fcntl;	1576	use Fcntl;
1262	use Coro::AIO;	1577	use Coro::AIO;
1263		1578
		1579	use overload
		1580	'""' => \&as_string,
		1581	fallback => 1;
		1582
1264	our $MAX_RESET = 3600;	1583	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1584	our $DEFAULT_RESET = 3000;
1266		1585
1267	sub generate_random_map {	1586	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1587	my ($self, $rmp) = @_;
1269
1270	# mit "rum" bekleckern, nicht	1588	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1589	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1590	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1591	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1592	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1593	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1594	$rmp->{xsize}, $rmp->{ysize},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1599	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1600	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1601	)
1285	}	1602	}
1286		1603
		1604	=item cf::map->register ($regex, $prio)
		1605
		1606	Register a handler for the map path matching the given regex at the
		1607	givne priority (higher is better, built-in handlers have priority 0, the
		1608	default).
		1609
		1610	=cut
		1611
		1612	sub register {
		1613	my (undef, $regex, $prio) = @_;
		1614	my $pkg = caller;
		1615
		1616	no strict;
		1617	push @{"$pkg\::ISA"}, __PACKAGE__;
		1618
		1619	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1620	}
		1621
		1622	# also paths starting with '/'
		1623	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1624
		1625	sub thawer_merge {
		1626	my ($self, $merge) = @_;
		1627
		1628	# we have to keep some variables in memory intact
		1629	local $self->{path};
		1630	local $self->{load_path};
		1631
		1632	$self->SUPER::thawer_merge ($merge);
		1633	}
		1634
		1635	sub normalise {
		1636	my ($path, $base) = @_;
		1637
		1638	$path = "$path"; # make sure its a string
		1639
		1640	$path =~ s/\.map$//;
		1641
		1642	# map plan:
		1643	#
		1644	# /! non-realised random map exit (special hack!)
		1645	# {... are special paths that are not being touched
		1646	# ?xxx/... are special absolute paths
		1647	# ?random/... random maps
		1648	# /... normal maps
		1649	# ~user/... per-player map of a specific user
		1650
		1651	$path =~ s/$PATH_SEP/\//go;
		1652
		1653	# treat it as relative path if it starts with
		1654	# something that looks reasonable
		1655	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1656	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1657
		1658	$base =~ s{[^/]+/?$}{};
		1659	$path = "$base/$path";
		1660	}
		1661
		1662	for ($path) {
		1663	redo if s{//}{/};
		1664	redo if s{/\.?/}{/};
		1665	redo if s{/[^/]+/\.\./}{/};
		1666	}
		1667
		1668	$path
		1669	}
		1670
		1671	sub new_from_path {
		1672	my (undef, $path, $base) = @_;
		1673
		1674	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1675
		1676	$path = normalise $path, $base;
		1677
		1678	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1679	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1680	my $self = bless cf::map::new, $pkg;
		1681	$self->{path} = $path; $self->path ($path);
		1682	$self->init; # pass $1 etc.
		1683	return $self;
		1684	}
		1685	}
		1686
		1687	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1688	()
		1689	}
		1690
		1691	sub init {
		1692	my ($self) = @_;
		1693
		1694	$self
		1695	}
		1696
		1697	sub as_string {
		1698	my ($self) = @_;
		1699
		1700	"$self->{path}"
		1701	}
		1702
		1703	# the displayed name, this is a one way mapping
		1704	sub visible_name {
		1705	&as_string
		1706	}
		1707
		1708	# the original (read-only) location
		1709	sub load_path {
		1710	my ($self) = @_;
		1711
		1712	"$MAPDIR/$self->{path}.map"
		1713	}
		1714
		1715	# the temporary/swap location
		1716	sub save_path {
		1717	my ($self) = @_;
		1718
		1719	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1720	"$TMPDIR/$path.map"
		1721	}
		1722
		1723	# the unique path, undef == no special unique path
		1724	sub uniq_path {
		1725	my ($self) = @_;
		1726
		1727	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1728	"$UNIQUEDIR/$path"
		1729	}
		1730
1287	# and all this just because we cannot iterate over	1731	# and all this just because we cannot iterate over
1288	# all maps in C++...	1732	# all maps in C++...
1289	sub change_all_map_light {	1733	sub change_all_map_light {
1290	my ($change) = @_;	1734	my ($change) = @_;
1291		1735
1292	$_->change_map_light ($change)	1736	$_->change_map_light ($change)
1293	for grep $_->outdoor, values %cf::MAP;	1737	for grep $_->outdoor, values %cf::MAP;
1294	}	1738	}
1295		1739
		1740	sub decay_objects {
		1741	my ($self) = @_;
		1742
		1743	return if $self->{deny_reset};
		1744
		1745	$self->do_decay_objects;
		1746	}
		1747
		1748	sub unlink_save {
		1749	my ($self) = @_;
		1750
		1751	utf8::encode (my $save = $self->save_path);
		1752	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1753	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1754	}
		1755
1296	sub load_map_header($) {	1756	sub load_header_from($) {
1297	my ($path) = @_;	1757	my ($self, $path) = @_;
1298		1758
1299	utf8::encode $path;	1759	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	1760	#aio_open $path, O_RDONLY, 0
		1761	# or return;
		1762
		1763	$self->_load_header ($path)
1301	or return;	1764	or return;
1302		1765
1303	my $map = cf::map::new	1766	$self->{load_path} = $path;
		1767
		1768	1
		1769	}
		1770
		1771	sub load_header_orig {
		1772	my ($self) = @_;
		1773
		1774	$self->load_header_from ($self->load_path)
		1775	}
		1776
		1777	sub load_header_temp {
		1778	my ($self) = @_;
		1779
		1780	$self->load_header_from ($self->save_path)
		1781	}
		1782
		1783	sub prepare_temp {
		1784	my ($self) = @_;
		1785
		1786	$self->last_access ((delete $self->{last_access})
		1787	|| $cf::RUNTIME); #d#
		1788	# safety
		1789	$self->{instantiate_time} = $cf::RUNTIME
		1790	if $self->{instantiate_time} > $cf::RUNTIME;
		1791	}
		1792
		1793	sub prepare_orig {
		1794	my ($self) = @_;
		1795
		1796	$self->{load_original} = 1;
		1797	$self->{instantiate_time} = $cf::RUNTIME;
		1798	$self->last_access ($cf::RUNTIME);
		1799	$self->instantiate;
		1800	}
		1801
		1802	sub load_header {
		1803	my ($self) = @_;
		1804
		1805	if ($self->load_header_temp) {
		1806	$self->prepare_temp;
		1807	} else {
		1808	$self->load_header_orig
1304	or return;	1809	or return;
		1810	$self->prepare_orig;
		1811	}
1305		1812
1306	# for better error messages only, will be overwritten later	1813	$self->{deny_reset} = 1
1307	$map->path ($path);	1814	if $self->no_reset;
1308		1815
1309	$map->load_header ($path)	1816	$self->default_region (cf::region::find_by_path $self->{path})
1310	or return;	1817	unless $self->default_region;
1311		1818
1312	$map->{load_path} = $path;	1819	1
1313
1314	$map
1315	}	1820	}
1316		1821
1317	sub find;	1822	sub find;
1318	sub find {	1823	sub find {
1319	my ($path, $origin) = @_;	1824	my ($path, $origin) = @_;
1320		1825
1321	#warn "find<$path,$origin>\n";#d#
1322
1323	$path = new cf::path $path, $origin && $origin->path;	1826	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		1827
1326	cf::lock_wait "map_find:$key";	1828	cf::lock_wait "map_find:$path";
1327		1829
1328	$cf::MAP{$key} || do {	1830	$cf::MAP{$path} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	1831	my $guard = cf::lock_acquire "map_find:$path";
1330		1832	my $map = new_from_path cf::map $path
1331	# do it the slow way
1332	my $map = $path->load_temp;
1333
1334	Coro::cede;
1335
1336	if ($map) {
1337	$map->last_access ((delete $map->{last_access})
1338	|| $cf::RUNTIME); #d#
1339	# safety
1340	$map->{instantiate_time} = $cf::RUNTIME
1341	if $map->{instantiate_time} > $cf::RUNTIME;
1342	} else {
1343	$map = $path->load_orig
1344	or return;	1833	or return;
1345		1834
1346	$map->{load_original} = 1;
1347	$map->{instantiate_time} = $cf::RUNTIME;
1348	$map->last_access ($cf::RUNTIME);
1349	$map->instantiate;
1350
1351	# per-player maps become, after loading, normal maps
1352	$map->per_player (0) if $path->{user_rel};
1353	}
1354
1355	$map->path ($key);
1356	$map->{path} = $path;
1357	$map->{last_save} = $cf::RUNTIME;	1835	$map->{last_save} = $cf::RUNTIME;
1358		1836
1359	Coro::cede;	1837	$map->load_header
		1838	or return;
1360		1839
1361	if ($map->should_reset) {	1840	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1841	# doing this can freeze the server in a sync job, obviously
		1842	#$cf::WAIT_FOR_TICK->wait;
1362	$map->reset;	1843	$map->reset;
1363	undef $guard;	1844	undef $guard;
1364	$map = find $path	1845	return find $path;
1365	or return;
1366	}	1846	}
1367		1847
1368	$cf::MAP{$key} = $map	1848	$cf::MAP{$path} = $map
1369	}	1849	}
1370	}	1850	}
		1851
		1852	sub pre_load { }
		1853	sub post_load { }
1371		1854
1372	sub load {	1855	sub load {
1373	my ($self) = @_;	1856	my ($self) = @_;
1374		1857
		1858	local $self->{deny_reset} = 1; # loading can take a long time
		1859
1375	my $path = $self->{path};	1860	my $path = $self->{path};
		1861
		1862	{
		1863	my $guard1 = cf::lock_acquire "map_data:$path";
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1864	my $guard2 = cf::lock_acquire "map_load:$path";
1377		1865
1378	return if $self->in_memory != cf::MAP_SWAPPED;	1866	return if $self->in_memory != cf::MAP_SWAPPED;
1379		1867
1380	$self->in_memory (cf::MAP_LOADING);	1868	$self->in_memory (cf::MAP_LOADING);
1381		1869
1382	$self->alloc;	1870	$self->alloc;
		1871
		1872	$self->pre_load;
		1873	cf::cede_to_tick;
		1874
1383	$self->load_objects ($self->{load_path}, 1)	1875	$self->_load_objects ($self->{load_path}, 1)
1384	or return;	1876	or return;
1385		1877
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1878	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1387	if delete $self->{load_original};	1879	if delete $self->{load_original};
1388		1880
1389	if (my $uniq = $path->uniq_path) {	1881	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	1882	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	1883	if (aio_open $uniq, O_RDONLY, 0) {
1392	$self->clear_unique_items;	1884	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	1885	$self->_load_objects ($uniq, 0);
1394	}	1886	}
1395	}	1887	}
1396		1888
1397	Coro::cede;	1889	cf::cede_to_tick;
1398
1399	# now do the right thing for maps	1890	# now do the right thing for maps
1400	$self->link_multipart_objects;	1891	$self->link_multipart_objects;
1401
1402	if ($self->{path}->is_style_map) {
1403	$self->{deny_save} = 1;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;
1409	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	1892	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	1893	unless $self->difficulty;
		1894	cf::cede_to_tick;
		1895
		1896	unless ($self->{deny_activate}) {
		1897	$self->decay_objects;
		1898	$self->fix_auto_apply;
		1899	$self->update_buttons;
		1900	cf::cede_to_tick;
		1901	$self->set_darkness_map;
		1902	cf::cede_to_tick;
1412	$self->activate;	1903	$self->activate;
1413	}	1904	}
1414		1905
1415	Coro::cede;	1906	$self->{last_save} = $cf::RUNTIME;
		1907	$self->last_access ($cf::RUNTIME);
1416		1908
1417	$self->in_memory (cf::MAP_IN_MEMORY);	1909	$self->in_memory (cf::MAP_IN_MEMORY);
		1910	}
		1911
		1912	$self->post_load;
		1913	}
		1914
		1915	sub customise_for {
		1916	my ($self, $ob) = @_;
		1917
		1918	return find "~" . $ob->name . "/" . $self->{path}
		1919	if $self->per_player;
		1920
		1921	# return find "?party/" . $ob->name . "/" . $self->{path}
		1922	# if $self->per_party;
		1923
		1924	$self
1418	}	1925	}
1419		1926
1420	# find and load all maps in the 3x3 area around a map	1927	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	1928	sub load_neighbours {
1422	my ($map) = @_;	1929	my ($map) = @_;
1423		1930
1424	my @diag; # diagonal neighbours	1931	my @neigh; # diagonal neighbours
1425		1932
1426	for (0 .. 3) {	1933	for (0 .. 3) {
1427	my $neigh = $map->tile_path ($_)	1934	my $neigh = $map->tile_path ($_)
1428	or next;	1935	or next;
1429	$neigh = find $neigh, $map	1936	$neigh = find $neigh, $map
1430	or next;	1937	or next;
1431	$neigh->load;	1938	$neigh->load;
1432		1939
		1940	push @neigh,
1433	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1941	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1434	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1942	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1435	}	1943	}
1436		1944
1437	for (@diag) {	1945	for (grep defined $_->[0], @neigh) {
		1946	my ($path, $origin) = @$_;
1438	my $neigh = find @$_	1947	my $neigh = find $path, $origin
1439	or next;	1948	or next;
1440	$neigh->load;	1949	$neigh->load;
1441	}	1950	}
1442	}	1951	}
1443		1952
…		…
1448	}	1957	}
1449		1958
1450	sub do_load_sync {	1959	sub do_load_sync {
1451	my ($map) = @_;	1960	my ($map) = @_;
1452		1961
		1962	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1963	if $Coro::current == $Coro::main;
		1964
1453	cf::sync_job { $map->load };	1965	cf::sync_job { $map->load };
1454	}	1966	}
1455		1967
1456	our %MAP_PREFETCH;	1968	our %MAP_PREFETCH;
		1969	our $MAP_PREFETCHER = undef;
		1970
		1971	sub find_async {
		1972	my ($path, $origin, $load) = @_;
		1973
		1974	$path = normalise $path, $origin && $origin->{path};
		1975
		1976	if (my $map = $cf::MAP{$path}) {
		1977	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1978	}
		1979
		1980	$MAP_PREFETCH{$path} |= $load;
		1981
1457	our $MAP_PREFETCHER = Coro::async {	1982	$MAP_PREFETCHER ||= cf::async {
1458	while () {
1459	while (%MAP_PREFETCH) {	1983	while (%MAP_PREFETCH) {
1460	my $key = each %MAP_PREFETCH	1984	while (my ($k, $v) = each %MAP_PREFETCH) {
1461	or next;	1985	if (my $map = find $k) {
		1986	$map->load if $v;
		1987	}
		1988
1462	my $path = delete $MAP_PREFETCH{$key};	1989	delete $MAP_PREFETCH{$k};
1463
1464	my $map = find $path
1465	or next;
1466	$map->load;
1467	}	1990	}
1468	Coro::schedule;	1991	}
		1992	undef $MAP_PREFETCHER;
1469	}	1993	};
1470	};
1471
1472	sub find_async {
1473	my ($path, $origin) = @_;
1474
1475	$path = new cf::path $path, $origin && $origin->path;
1476	my $key = $path->as_string;
1477
1478	if (my $map = $cf::MAP{$key}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}
1481
1482	$MAP_PREFETCH{$key} = $path;
1483	$MAP_PREFETCHER->ready;	1994	$MAP_PREFETCHER->prio (6);
1484		1995
1485	()	1996	()
1486	}	1997	}
1487		1998
1488	sub save {	1999	sub save {
1489	my ($self) = @_;	2000	my ($self) = @_;
1490		2001
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2002	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2003
1493	$self->{last_save} = $cf::RUNTIME;	2004	$self->{last_save} = $cf::RUNTIME;
1494		2005
1495	return unless $self->dirty;	2006	return unless $self->dirty;
1496		2007
1497	my $save = $self->{path}->save_path; utf8::encode $save;	2008	my $save = $self->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2009	my $uniq = $self->uniq_path; utf8::encode $uniq;
1499		2010
1500	$self->{load_path} = $save;	2011	$self->{load_path} = $save;
1501		2012
1502	return if $self->{deny_save};	2013	return if $self->{deny_save};
1503		2014
…		…
1506	cf::async {	2017	cf::async {
1507	$_->contr->save for $self->players;	2018	$_->contr->save for $self->players;
1508	};	2019	};
1509		2020
1510	if ($uniq) {	2021	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2022	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);	2023	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {	2024	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2025	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}	2026	}
1516	}	2027	}
1517		2028
1518	sub swap_out {	2029	sub swap_out {
1519	my ($self) = @_;	2030	my ($self) = @_;
1520		2031
1521	# save first because save cedes	2032	# save first because save cedes
1522	$self->save;	2033	$self->save;
1523		2034
1524	my $lock = cf::lock_acquire "map_data:" . $self->path;	2035	my $lock = cf::lock_acquire "map_data:$self->{path}";
1525		2036
1526	return if $self->players;	2037	return if $self->players;
1527	return if $self->in_memory != cf::MAP_IN_MEMORY;	2038	return if $self->in_memory != cf::MAP_IN_MEMORY;
1528	return if $self->{deny_save};	2039	return if $self->{deny_save};
1529		2040
…		…
1533		2044
1534	sub reset_at {	2045	sub reset_at {
1535	my ($self) = @_;	2046	my ($self) = @_;
1536		2047
1537	# TODO: safety, remove and allow resettable per-player maps	2048	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};
1539	return 1e99 if $self->{deny_reset};	2049	return 1e99 if $self->{deny_reset};
1540		2050
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2051	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2052	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		2053
…		…
1548	my ($self) = @_;	2058	my ($self) = @_;
1549		2059
1550	$self->reset_at <= $cf::RUNTIME	2060	$self->reset_at <= $cf::RUNTIME
1551	}	2061	}
1552		2062
1553	sub unlink_save {
1554	my ($self) = @_;
1555
1556	utf8::encode (my $save = $self->{path}->save_path);
1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559	}
1560
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	2063	sub reset {
1575	my ($self) = @_;	2064	my ($self) = @_;
1576		2065
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2066	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2067
1579	return if $self->players;	2068	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		2069
1582	warn "resetting map ", $self->path;#d#	2070	warn "resetting map ", $self->path;
		2071
		2072	$self->in_memory (cf::MAP_SWAPPED);
		2073
		2074	# need to save uniques path
		2075	unless ($self->{deny_save}) {
		2076	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2077
		2078	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2079	if $uniq;
		2080	}
1583		2081
1584	delete $cf::MAP{$self->path};	2082	delete $cf::MAP{$self->path};
		2083
		2084	$self->clear;
1585		2085
1586	$_->clear_links_to ($self) for values %cf::MAP;	2086	$_->clear_links_to ($self) for values %cf::MAP;
1587		2087
1588	$self->unlink_save;	2088	$self->unlink_save;
1589	$self->destroy;	2089	$self->destroy;
…		…
1592	my $nuke_counter = "aaaa";	2092	my $nuke_counter = "aaaa";
1593		2093
1594	sub nuke {	2094	sub nuke {
1595	my ($self) = @_;	2095	my ($self) = @_;
1596		2096
		2097	{
		2098	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2099
		2100	delete $cf::MAP{$self->path};
		2101
		2102	$self->unlink_save;
		2103
		2104	bless $self, "cf::map";
		2105	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	2106	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	2107	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	2108	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2109
		2110	$cf::MAP{$self->path} = $self;
		2111	}
		2112
1600	$self->reset; # polite request, might not happen	2113	$self->reset; # polite request, might not happen
1601	}	2114	}
1602		2115
1603	sub customise_for {	2116	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2117
1606	if ($map->per_player) {	2118	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2119	maps. May block.
		2120
		2121	=cut
		2122
		2123	sub tmp_maps() {
1608	}	2124	[
		2125	map {
		2126	utf8::decode $_;
		2127	/\.map$/
		2128	? normalise $_
		2129	: ()
		2130	} @{ aio_readdir $TMPDIR or [] }
		2131	]
		2132	}
1609		2133
1610	$map	2134	=item $maps = cf::map::random_maps
		2135
		2136	Returns an arrayref with all map paths of currently instantiated and saved
		2137	random maps. May block.
		2138
		2139	=cut
		2140
		2141	sub random_maps() {
		2142	[
		2143	map {
		2144	utf8::decode $_;
		2145	/\.map$/
		2146	? normalise "?random/$_"
		2147	: ()
		2148	} @{ aio_readdir $RANDOMDIR or [] }
		2149	]
1611	}	2150	}
1612		2151
1613	=item cf::map::unique_maps	2152	=item cf::map::unique_maps
1614		2153
1615	Returns an arrayref of cf::path's of all shared maps that have	2154	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2155	instantiated unique items. May block.
1617		2156
1618	=cut	2157	=cut
1619		2158
1620	sub unique_maps() {	2159	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2160	[
1622	or return;	2161	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2162	utf8::decode $_;
1628	next if /\.pst$/;	2163	/\.map$/
1629	next unless /^$PATH_SEP/o;	2164	? normalise $_
1630		2165	: ()
1631	push @paths, new cf::path $_;	2166	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2167	]
1633
1634	\@paths
1635	}	2168	}
1636		2169
1637	package cf;	2170	package cf;
1638		2171
1639	=back	2172	=back
…		…
1685		2218
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2219	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2220
1688	if ($self->{record_replies}) {	2221	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2222	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2223
1690	} else {	2224	} else {
		2225	my $pl = $self->contr;
		2226
		2227	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2228	my $dialog = $pl->{npc_dialog};
		2229	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2230
		2231	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2232	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2233	$self->message ($msg, $flags);
		2234	}
1693	}	2235	}
		2236	}
		2237
		2238	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2239
		2240	=cut
		2241
		2242	sub cf::object::send_msg {
		2243	my $pl = shift->contr
		2244	or return;
		2245	$pl->send_msg (@_);
1694	}	2246	}
1695		2247
1696	=item $player_object->may ("access")	2248	=item $player_object->may ("access")
1697		2249
1698	Returns wether the given player is authorized to access resource "access"	2250	Returns wether the given player is authorized to access resource "access"
…		…
1711		2263
1712	=item $player_object->enter_link	2264	=item $player_object->enter_link
1713		2265
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2266	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2267
1716	The player should be reaosnably safe there for short amounts of time. You	2268	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	2269	I<MUST> call C<leave_link> as soon as possible, though.
1718		2270
		2271	Will never block.
		2272
1719	=item $player_object->leave_link ($map, $x, $y)	2273	=item $player_object->leave_link ($map, $x, $y)
1720		2274
1721	Moves the player out of the specila link map onto the given map. If the	2275	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2276	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2277	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2278	fails, to the emergency map position.
1725		2279
1726	Might block.	2280	Might block.
1727		2281
1728	=cut	2282	=cut
		2283
		2284	sub link_map {
		2285	unless ($LINK_MAP) {
		2286	$LINK_MAP = cf::map::find "{link}"
		2287	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2288	$LINK_MAP->load;
		2289	}
		2290
		2291	$LINK_MAP
		2292	}
1729		2293
1730	sub cf::object::player::enter_link {	2294	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2295	my ($self) = @_;
1732		2296
1733	$self->deactivate_recursive;	2297	$self->deactivate_recursive;
1734		2298
1735	return if $self->map == $LINK_MAP;	2299	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2300
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2302	if $self->map && $self->map->{path} ne "{link}";
1739		2303
1740	$self->enter_map ($LINK_MAP, 20, 20);	2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2305	}
1742		2306
1743	sub cf::object::player::leave_link {	2307	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2308	my ($self, $map, $x, $y) = @_;
		2309
		2310	return unless $self->contr->active;
1745		2311
1746	my $link_pos = delete $self->{_link_pos};	2312	my $link_pos = delete $self->{_link_pos};
1747		2313
1748	unless ($map) {	2314	unless ($map) {
1749	# restore original map position	2315	# restore original map position
…		…
1763	# use -1 or undef as default coordinates, not 0, 0	2329	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2330	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2331	if $x <=0 && $y <= 0;
1766		2332
1767	$map->load;	2333	$map->load;
1768	$map->load_diag;	2334	$map->load_neighbours;
1769		2335
1770	return unless $self->contr->active;	2336	return unless $self->contr->active;
1771	$self->activate_recursive;	2337	$self->activate_recursive;
		2338
		2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2340	$self->enter_map ($map, $x, $y);
1773	}	2341	}
1774		2342
1775	cf::player->attach (	2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2344
1779	# abort map switching before logout	2345	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2346	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2347	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2348	the new (success) or old (failed) map position. In either case, $done will
1783	};	2349	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2350
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2351	=cut
		2352
		2353	our $GOTOGEN;
1810		2354
1811	sub cf::object::player::goto {	2355	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2356	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2357
1814	$path = new cf::path $path;	2358	# do generation counting so two concurrent goto's will be executed in-order
		2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2360
1816	$self->enter_link;	2361	$self->enter_link;
1817		2362
1818	(async {	2363	(async {
		2364	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	2365	my $map = cf::map::find $path;
		2366
		2367	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2368	$map = $map->customise_for ($self);
1821		2369	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2370	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2372	}
1826		2373
		2374	$map
		2375	};
		2376
		2377	if ($@) {
		2378	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2379	LOG llevError | logBacktrace, Carp::longmess $@;
		2380	}
		2381
		2382	if ($gen == $self->{_goto_generation}) {
		2383	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2384	$self->leave_link ($map, $x, $y);
		2385	}
		2386
		2387	$done->() if $done;
1828	})->prio (1);	2388	})->prio (1);
1829	}	2389	}
1830		2390
1831	=item $player_object->enter_exit ($exit_object)	2391	=item $player_object->enter_exit ($exit_object)
1832		2392
…		…
1834		2394
1835	sub parse_random_map_params {	2395	sub parse_random_map_params {
1836	my ($spec) = @_;	2396	my ($spec) = @_;
1837		2397
1838	my $rmp = { # defaults	2398	my $rmp = { # defaults
1839	xsize => 10,	2399	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2400	ysize => (cf::rndm 15, 40),
		2401	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2402	#layout => string,
1841	};	2403	};
1842		2404
1843	for (split /\n/, $spec) {	2405	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2406	my ($k, $v) = split /\s+/, $_, 2;
1845		2407
…		…
1849	$rmp	2411	$rmp
1850	}	2412	}
1851		2413
1852	sub prepare_random_map {	2414	sub prepare_random_map {
1853	my ($exit) = @_;	2415	my ($exit) = @_;
		2416
		2417	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		2418
1855	# all this does is basically replace the /! path by	2419	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	2420	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	2421	# that depends on the exit object
1858		2422
1859	my $rmp = parse_random_map_params $exit->msg;	2423	my $rmp = parse_random_map_params $exit->msg;
1860		2424
1861	if ($exit->map) {	2425	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2426	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2427	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2428	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2429	$rmp->{origin_y} = $exit->y;
1866	}	2430	}
1867		2431
1868	$rmp->{random_seed} ||= $exit->random_seed;	2432	$rmp->{random_seed} ||= $exit->random_seed;
1869		2433
1870	my $data = cf::to_json $rmp;	2434	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	2435	my $md5 = Digest::MD5::md5_hex $data;
		2436	my $meta = "$RANDOMDIR/$md5.meta";
1872		2437
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2439	aio_write $fh, 0, (length $data), $data, 0;
		2440	undef $fh;
		2441	aio_rename "$meta~", $meta;
1875		2442
1876	$exit->slaying ("?random/$md5");	2443	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2444	$exit->msg (undef);
1878	}	2445	}
1879	}	2446	}
…		…
1881	sub cf::object::player::enter_exit {	2448	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2449	my ($self, $exit) = @_;
1883		2450
1884	return unless $self->type == cf::PLAYER;	2451	return unless $self->type == cf::PLAYER;
1885		2452
		2453	if ($exit->slaying eq "/!") {
		2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2455	# the problem is that $exit might not survive long enough
		2456	# so it needs to be done right now, right here
		2457	cf::sync_job { prepare_random_map $exit };
		2458	}
		2459
		2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2461	my $hp = $exit->stats->hp;
		2462	my $sp = $exit->stats->sp;
		2463
1886	$self->enter_link;	2464	$self->enter_link;
		2465
		2466	# if exit is damned, update players death & WoR home-position
		2467	$self->contr->savebed ($slaying, $hp, $sp)
		2468	if $exit->flag (FLAG_DAMNED);
1887		2469
1888	(async {	2470	(async {
1889	$self->deactivate_recursive; # just to be sure	2471	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	2472	unless (eval {
1891	prepare_random_map $exit	2473	$self->goto ($slaying, $hp, $sp);
1892	if $exit->slaying eq "/!";
1893
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896		2474
1897	1;	2475	1;
1898	}) {	2476	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2477	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	2478	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2479	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2480	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2481
1904	warn "ERROR in enter_exit: $@";	2482	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2483	$self->leave_link;
1906	}	2484	}
1907	})->prio (1);	2485	})->prio (1);
…		…
1920		2498
1921	sub cf::client::send_drawinfo {	2499	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2500	my ($self, $text, $flags) = @_;
1923		2501
1924	utf8::encode $text;	2502	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2504	}
1927		2505
		2506	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	Send a drawinfo or msg packet to the client, formatting the msg for the
		2509	client if neccessary. C<$type> should be a string identifying the type of
		2510	the message, with C<log> being the default. If C<$color> is negative, suppress
		2511	the message unless the client supports the msg packet.
		2512
		2513	=cut
		2514
		2515	our %CHANNEL = (
		2516	"c/identify" => {
		2517	id => "identify",
		2518	title => "Identify",
		2519	reply => undef,
		2520	tooltip => "Items recently identified",
		2521	},
		2522	"c/examine" => {
		2523	id => "examine",
		2524	title => "Examine",
		2525	reply => undef,
		2526	tooltip => "Signs and other items you examined",
		2527	},
		2528	);
		2529
		2530	sub cf::client::send_msg {
		2531	my ($self, $channel, $msg, $color, @extra) = @_;
		2532
		2533	$msg = $self->pl->expand_cfpod ($msg);
		2534
		2535	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2536
		2537	# check predefined channels, for the benefit of C
		2538	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2539
		2540	if (ref $channel) {
		2541	# send meta info to client, if not yet sent
		2542	unless (exists $self->{channel}{$channel->{id}}) {
		2543	$self->{channel}{$channel->{id}} = $channel;
		2544	$self->ext_msg (channel_info => $channel)
		2545	if $self->can_msg;
		2546	}
		2547
		2548	$channel = $channel->{id};
		2549	}
		2550
		2551	return unless @extra || length $msg;
		2552
		2553	if ($self->can_msg) {
		2554	# default colour, mask it out
		2555	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2556	if $color & cf::NDI_DEF;
		2557
		2558	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2559	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2560	} else {
		2561	if ($color >= 0) {
		2562	# replace some tags by gcfclient-compatible ones
		2563	for ($msg) {
		2564	1 while
		2565	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2566	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2567	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2568	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2569	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2570	}
		2571
		2572	$color &= cf::NDI_COLOR_MASK;
		2573
		2574	utf8::encode $msg;
		2575
		2576	if (0 && $msg =~ /\[/) {
		2577	# COMMAND/INFO
		2578	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2579	} else {
		2580	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2581	$self->send_packet ("drawinfo $color $msg")
		2582	}
		2583	}
		2584	}
		2585	}
		2586
		2587	=item $client->ext_msg ($type, @msg)
		2588
		2589	Sends an ext event to the client.
		2590
		2591	=cut
		2592
		2593	sub cf::client::ext_msg($$@) {
		2594	my ($self, $type, @msg) = @_;
		2595
		2596	if ($self->extcmd == 2) {
		2597	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2598	} elsif ($self->extcmd == 1) { # TODO: remove
		2599	push @msg, msgtype => "event_$type";
		2600	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2601	}
		2602	}
		2603
		2604	=item $client->ext_reply ($msgid, @msg)
		2605
		2606	Sends an ext reply to the client.
		2607
		2608	=cut
		2609
		2610	sub cf::client::ext_reply($$@) {
		2611	my ($self, $id, @msg) = @_;
		2612
		2613	if ($self->extcmd == 2) {
		2614	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2615	} elsif ($self->extcmd == 1) {
		2616	#TODO: version 1, remove
		2617	unshift @msg, msgtype => "reply", msgid => $id;
		2618	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2619	}
		2620	}
1928		2621
1929	=item $success = $client->query ($flags, "text", \&cb)	2622	=item $success = $client->query ($flags, "text", \&cb)
1930		2623
1931	Queues a query to the client, calling the given callback with	2624	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2625	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2626	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934		2627
1935	Queries can fail, so check the return code. Or don't, as queries will become	2628	Queries can fail, so check the return code. Or don't, as queries will
1936	reliable at some point in the future.	2629	become reliable at some point in the future.
1937		2630
1938	=cut	2631	=cut
1939		2632
1940	sub cf::client::query {	2633	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	2634	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	2642	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2643	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		2644
1952	$self->send_packet ($self->{query_queue}[0][0])	2645	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	2646	if @{ $self->{query_queue} } == 1;
		2647
		2648	1
1954	}	2649	}
1955		2650
1956	cf::client->attach (	2651	cf::client->attach (
		2652	on_connect => sub {
		2653	my ($ns) = @_;
		2654
		2655	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2656	},
1957	on_reply => sub {	2657	on_reply => sub {
1958	my ($ns, $msg) = @_;	2658	my ($ns, $msg) = @_;
1959		2659
1960	# this weird shuffling is so that direct followup queries	2660	# this weird shuffling is so that direct followup queries
1961	# get handled first	2661	# get handled first
1962	my $queue = delete $ns->{query_queue}	2662	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2663	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2664
1965	(shift @$queue)->[1]->($msg);	2665	(shift @$queue)->[1]->($msg);
		2666	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2667
1967	push @{ $ns->{query_queue} }, @$queue;	2668	push @{ $ns->{query_queue} }, @$queue;
1968		2669
1969	if (@{ $ns->{query_queue} } == @$queue) {	2670	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2671	if (@$queue) {
…		…
1972	} else {	2673	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2674	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	2675	}
1975	}	2676	}
1976	},	2677	},
		2678	on_exticmd => sub {
		2679	my ($ns, $buf) = @_;
		2680
		2681	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2682
		2683	if (ref $msg) {
		2684	my ($type, $reply, @payload) =
		2685	"ARRAY" eq ref $msg
		2686	? @$msg
		2687	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2688
		2689	my @reply;
		2690
		2691	if (my $cb = $EXTICMD{$type}) {
		2692	@reply = $cb->($ns, @payload);
		2693	}
		2694
		2695	$ns->ext_reply ($reply, @reply)
		2696	if $reply;
		2697
		2698	} else {
		2699	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2700	}
		2701
		2702	cf::override;
		2703	},
1977	);	2704	);
1978		2705
1979	=item $client->async (\&cb)	2706	=item $client->async (\&cb)
1980		2707
1981	Create a new coroutine, running the specified callback. The coroutine will	2708	Create a new coroutine, running the specified callback. The coroutine will
…		…
2022	our $safe = new Safe "safe";	2749	our $safe = new Safe "safe";
2023	our $safe_hole = new Safe::Hole;	2750	our $safe_hole = new Safe::Hole;
2024		2751
2025	$SIG{FPE} = 'IGNORE';	2752	$SIG{FPE} = 'IGNORE';
2026		2753
2027	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2754	$safe->permit_only (Opcode::opset qw(
		2755	:base_core :base_mem :base_orig :base_math
		2756	grepstart grepwhile mapstart mapwhile
		2757	sort time
		2758	));
2028		2759
2029	# here we export the classes and methods available to script code	2760	# here we export the classes and methods available to script code
2030		2761
2031	=pod	2762	=pod
2032		2763
2033	The following fucntions and emthods are available within a safe environment:	2764	The following functions and methods are available within a safe environment:
2034		2765
2035	cf::object contr pay_amount pay_player map	2766	cf::object
		2767	contr pay_amount pay_player map x y force_find force_add
		2768	insert remove name archname title slaying race decrease_ob_nr
		2769
2036	cf::object::player player	2770	cf::object::player
2037	cf::player peaceful	2771	player
2038	cf::map trigger	2772
		2773	cf::player
		2774	peaceful
		2775
		2776	cf::map
		2777	trigger
2039		2778
2040	=cut	2779	=cut
2041		2780
2042	for (	2781	for (
2043	["cf::object" => qw(contr pay_amount pay_player map)],	2782	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2783	insert remove inv name archname title slaying race
		2784	decrease_ob_nr)],
2044	["cf::object::player" => qw(player)],	2785	["cf::object::player" => qw(player)],
2045	["cf::player" => qw(peaceful)],	2786	["cf::player" => qw(peaceful)],
2046	["cf::map" => qw(trigger)],	2787	["cf::map" => qw(trigger)],
2047	) {	2788	) {
2048	no strict 'refs';	2789	no strict 'refs';
…		…
2119	=back	2860	=back
2120		2861
2121	=cut	2862	=cut
2122		2863
2123	#############################################################################	2864	#############################################################################
		2865	# the server's init and main functions
2124		2866
2125	=head2 EXTENSION DATABASE SUPPORT	2867	sub load_facedata($) {
		2868	my ($path) = @_;
2126		2869
2127	Crossfire maintains a very simple database for extension use. It can	2870	# HACK to clear player env face cache, we need some signal framework
2128	currently store anything that can be serialised using Storable, which	2871	# for this (global event?)
2129	excludes objects.	2872	%ext::player_env::MUSIC_FACE_CACHE = ();
2130		2873
2131	The parameter C<$family> should best start with the name of the extension	2874	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2132	using it, it should be unique.
2133		2875
2134	=over 4	2876	warn "loading facedata from $path\n";
2135		2877
2136	=item $hashref = cf::db_get $family	2878	my $facedata;
		2879	0 < aio_load $path, $facedata
		2880	or die "$path: $!";
2137		2881
2138	Return a hashref for use by the extension C<$family>, which can be	2882	$facedata = Coro::Storable::thaw $facedata;
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141		2883
2142	=item $value = cf::db_get $family => $key	2884	$facedata->{version} == 2
		2885	or cf::cleanup "$path: version mismatch, cannot proceed.";
2143		2886
2144	Returns a single value from the database	2887	# patch in the exptable
2145		2888	$facedata->{resource}{"res/exp_table"} = {
2146	=item cf::db_put $family => $hashref	2889	type => FT_RSRC,
2147		2890	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150
2151	=item cf::db_put $family => $key => $value
2152
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163
2164	=cut
2165
2166	our $DB;
2167
2168	{
2169	my $path = cf::localdir . "/database.pst";
2170
2171	sub db_load() {
2172	$DB = stat $path ? Storable::retrieve $path : { };
2173	}
2174
2175	my $pid;
2176
2177	sub db_save() {
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	2891	};
		2892	cf::cede_to_tick;
2197		2893
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}	2894	{
		2895	my $faces = $facedata->{faceinfo};
2202		2896
2203	sub db_get($;$) {	2897	while (my ($face, $info) = each %$faces) {
2204	@_ >= 2	2898	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205	? $DB->{$_[0]}{$_[1]}	2899	cf::face::set_visibility $idx, $info->{visibility};
2206	: ($DB->{$_[0]} ||= { })	2900	cf::face::set_magicmap $idx, $info->{magicmap};
2207	}	2901	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2902	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2208		2903
2209	sub db_put($$;$) {	2904	cf::cede_to_tick;
2210	if (@_ >= 3) {
2211	$DB->{$_[0]}{$_[1]} = $_[2];
2212	} else {
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217
2218	cf::global->attach (
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	2905	}
2223	);
2224	}
2225		2906
2226	#############################################################################	2907	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	2908	next unless $info->{smooth};
		2909	my $idx = cf::face::find $face
		2910	or next;
		2911	if (my $smooth = cf::face::find $info->{smooth}) {
		2912	cf::face::set_smooth $idx, $smooth;
		2913	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2914	} else {
		2915	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2916	}
2228		2917
2229	sub cfg_load {	2918	cf::cede_to_tick;
		2919	}
		2920	}
		2921
		2922	{
		2923	my $anims = $facedata->{animinfo};
		2924
		2925	while (my ($anim, $info) = each %$anims) {
		2926	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2927	cf::cede_to_tick;
		2928	}
		2929
		2930	cf::anim::invalidate_all; # d'oh
		2931	}
		2932
		2933	{
		2934	# TODO: for gcfclient pleasure, we should give resources
		2935	# that gcfclient doesn't grok a >10000 face index.
		2936	my $res = $facedata->{resource};
		2937
		2938	my $soundconf = delete $res->{"res/sound.conf"};
		2939
		2940	while (my ($name, $info) = each %$res) {
		2941	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2942	my $data;
		2943
		2944	if ($info->{type} & 1) {
		2945	# prepend meta info
		2946
		2947	my $meta = $enc->encode ({
		2948	name => $name,
		2949	%{ $info->{meta} || {} },
		2950	});
		2951
		2952	$data = pack "(w/a*)*", $meta, $info->{data};
		2953	} else {
		2954	$data = $info->{data};
		2955	}
		2956
		2957	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2958	cf::face::set_type $idx, $info->{type};
		2959
		2960	cf::cede_to_tick;
		2961	}
		2962
		2963	if ($soundconf) {
		2964	$soundconf = $enc->decode (delete $soundconf->{data});
		2965
		2966	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2967	my $sound = $soundconf->{compat}[$_]
		2968	or next;
		2969
		2970	my $face = cf::face::find "sound/$sound->[1]";
		2971	cf::sound::set $sound->[0] => $face;
		2972	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2973	}
		2974
		2975	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2976	my $face = cf::face::find "sound/$v";
		2977	cf::sound::set $k => $face;
		2978	}
		2979	}
		2980	}
		2981
		2982	1
		2983	}
		2984
		2985	register_exticmd fx_want => sub {
		2986	my ($ns, $want) = @_;
		2987
		2988	while (my ($k, $v) = each %$want) {
		2989	$ns->fx_want ($k, $v);
		2990	}
		2991	};
		2992
		2993	sub reload_regions {
		2994	# HACK to clear player env face cache, we need some signal framework
		2995	# for this (global event?)
		2996	%ext::player_env::MUSIC_FACE_CACHE = ();
		2997
		2998	load_resource_file "$MAPDIR/regions"
		2999	or die "unable to load regions file\n";
		3000
		3001	for (cf::region::list) {
		3002	$_->{match} = qr/$_->{match}/
		3003	if exists $_->{match};
		3004	}
		3005	}
		3006
		3007	sub reload_facedata {
		3008	load_facedata "$DATADIR/facedata"
		3009	or die "unable to load facedata\n";
		3010	}
		3011
		3012	sub reload_archetypes {
		3013	load_resource_file "$DATADIR/archetypes"
		3014	or die "unable to load archetypes\n";
		3015	#d# NEED to laod twice to resolve forward references
		3016	# this really needs to be done in an extra post-pass
		3017	# (which needs to be synchronous, so solve it differently)
		3018	load_resource_file "$DATADIR/archetypes"
		3019	or die "unable to load archetypes\n";
		3020	}
		3021
		3022	sub reload_treasures {
		3023	load_resource_file "$DATADIR/treasures"
		3024	or die "unable to load treasurelists\n";
		3025	}
		3026
		3027	sub reload_resources {
		3028	warn "reloading resource files...\n";
		3029
		3030	reload_regions;
		3031	reload_facedata;
		3032	#reload_archetypes;#d#
		3033	reload_archetypes;
		3034	reload_treasures;
		3035
		3036	warn "finished reloading resource files\n";
		3037	}
		3038
		3039	sub init {
		3040	reload_resources;
		3041	}
		3042
		3043	sub reload_config {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	3044	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	3045	or return;
2232		3046
2233	local $/;	3047	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	3048	*CFG = YAML::Syck::Load <$fh>;
2235		3049
…		…
2249		3063
2250	sub main {	3064	sub main {
2251	# we must not ever block the main coroutine	3065	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	3066	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3067	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3068	(async {
2254	async { Event::one_event };	3069	Event::one_event;
		3070	})->prio (Coro::PRIO_MAX);
2255	};	3071	};
2256		3072
2257	cfg_load;	3073	reload_config;
2258	db_load;	3074	db_init;
2259	load_extensions;	3075	load_extensions;
		3076
		3077	$TICK_WATCHER->start;
2260	Event::loop;	3078	Event::loop;
2261	}	3079	}
2262		3080
2263	#############################################################################	3081	#############################################################################
2264	# initialisation and cleanup	3082	# initialisation and cleanup
2265		3083
2266	# install some emergency cleanup handlers	3084	# install some emergency cleanup handlers
2267	BEGIN {	3085	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	3086	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	3087	Event->signal (
		3088	reentrant => 0,
2270	data => WF_AUTOCANCEL,	3089	data => WF_AUTOCANCEL,
2271	signal => $signal,	3090	signal => $signal,
		3091	prio => 0,
2272	cb => sub {	3092	cb => sub {
2273	cf::cleanup "SIG$signal";	3093	cf::cleanup "SIG$signal";
2274	},	3094	},
2275	);	3095	);
2276	}	3096	}
2277	}	3097	}
2278		3098
		3099	sub write_runtime {
		3100	my $runtime = "$LOCALDIR/runtime";
		3101
		3102	# first touch the runtime file to show we are still running:
		3103	# the fsync below can take a very very long time.
		3104
		3105	IO::AIO::aio_utime $runtime, undef, undef;
		3106
		3107	my $guard = cf::lock_acquire "write_runtime";
		3108
		3109	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3110	or return;
		3111
		3112	my $value = $cf::RUNTIME + 90 + 10;
		3113	# 10 is the runtime save interval, for a monotonic clock
		3114	# 60 allows for the watchdog to kill the server.
		3115
		3116	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3117	and return;
		3118
		3119	# always fsync - this file is important
		3120	aio_fsync $fh
		3121	and return;
		3122
		3123	# touch it again to show we are up-to-date
		3124	aio_utime $fh, undef, undef;
		3125
		3126	close $fh
		3127	or return;
		3128
		3129	aio_rename "$runtime~", $runtime
		3130	and return;
		3131
		3132	warn "runtime file written.\n";
		3133
		3134	1
		3135	}
		3136
2279	sub emergency_save() {	3137	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	3138	my $freeze_guard = cf::freeze_mainloop;
2281		3139
2282	warn "enter emergency perl save\n";	3140	warn "enter emergency perl save\n";
2283		3141
2284	cf::sync_job {	3142	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	3143	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	3144	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	3145	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	3146	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	3147	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	3148	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	3149	$pl->valid or next;
2292	$pl->save;	3150	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	3156	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	3157	$map->valid or next;
2300	$map->save;	3158	$map->save;
2301	}	3159	}
2302	warn "end emergency map save\n";	3160	warn "end emergency map save\n";
		3161
		3162	warn "begin emergency database checkpoint\n";
		3163	BDB::db_env_txn_checkpoint $DB_ENV;
		3164	warn "end emergency database checkpoint\n";
2303	};	3165	};
2304		3166
2305	warn "leave emergency perl save\n";	3167	warn "leave emergency perl save\n";
2306	}	3168	}
2307		3169
		3170	sub post_cleanup {
		3171	my ($make_core) = @_;
		3172
		3173	warn Carp::longmess "post_cleanup backtrace"
		3174	if $make_core;
		3175	}
		3176
2308	sub reload() {	3177	sub do_reload_perl() {
2309	# can/must only be called in main	3178	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	3179	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	3180	warn "can only reload from main coroutine";
2312	return;	3181	return;
2313	}	3182	}
2314		3183
2315	warn "reloading...";	3184	warn "reloading...";
2316		3185
2317	warn "freezing server";	3186	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	3187
		3188	cf::sync_job {
		3189	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	3190	cf::emergency_save;
		3191	cf::write_runtime; # external watchdog should not bark
2320		3192
2321	warn "sync database to disk";	3193	warn "syncing database to disk";
2322	cf::db_sync;	3194	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		3195
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	3196	# if anything goes wrong in here, we should simply crash as we already saved
2327		3197
2328	warn "cancel all watchers";	3198	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	3199	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	3200	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	3201	}
2332		3202
		3203	warn "flushing outstanding aio requests";
		3204	for (;;) {
		3205	BDB::flush;
		3206	IO::AIO::flush;
		3207	Coro::cede;
		3208	last unless IO::AIO::nreqs || BDB::nreqs;
		3209	warn "iterate...";
		3210	}
		3211
		3212	++$RELOAD;
		3213
2333	warn "cancel all extension coros";	3214	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	3215	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	3216	%EXT_CORO = ();
2336		3217
2337	warn "remove commands";	3218	warn "removing commands";
2338	%COMMAND = ();	3219	%COMMAND = ();
2339		3220
2340	warn "remove ext commands";	3221	warn "removing ext/exti commands";
2341	%EXTCMD = ();	3222	%EXTCMD = ();
		3223	%EXTICMD = ();
2342		3224
2343	warn "unload/nuke all extensions";	3225	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	3226	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	3227	warn "... unloading $pkg";
2346		3228
2347	if (my $cb = $pkg->can ("unload")) {	3229	if (my $cb = $pkg->can ("unload")) {
2348	eval {	3230	eval {
…		…
2353		3235
2354	warn "... nuking $pkg";	3236	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	3237	Symbol::delete_package $pkg;
2356	}	3238	}
2357		3239
2358	warn "unload all perl modules loaded from $LIBDIR";	3240	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	3241	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3242	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		3243
2362	warn "removing <$k>";	3244	warn "... unloading $k";
2363	delete $INC{$k};	3245	delete $INC{$k};
2364		3246
2365	$k =~ s/\.pm$//;	3247	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	3248	$k =~ s/\//::/g;
2367		3249
…		…
2370	}	3252	}
2371		3253
2372	Symbol::delete_package $k;	3254	Symbol::delete_package $k;
2373	}	3255	}
2374		3256
2375	warn "get rid of safe::, as good as possible";	3257	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	3258	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3259	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		3260
2379	warn "unload cf.pm \"a bit\"";	3261	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	3262	delete $INC{"cf.pm"};
		3263	delete $INC{"cf/pod.pm"};
2381		3264
2382	# don't, removes xs symbols, too,	3265	# don't, removes xs symbols, too,
2383	# and global variables created in xs	3266	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	3267	#Symbol::delete_package __PACKAGE__;
2385		3268
		3269	warn "unload completed, starting to reload now";
		3270
2386	warn "reloading cf.pm";	3271	warn "reloading cf.pm";
2387	require cf;	3272	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3273	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		3274
2390	warn "load config and database again";	3275	warn "loading config and database again";
2391	cf::cfg_load;	3276	cf::reload_config;
2392	cf::db_load;
2393		3277
2394	warn "load extensions";	3278	warn "loading extensions";
2395	cf::load_extensions;	3279	cf::load_extensions;
2396		3280
2397	warn "reattach attachments to objects/players";	3281	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3282	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	3283	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3284	reattach $_ for values %MAP;
2401	};	3285	warn "reattaching attachments to players";
		3286	reattach $_ for values %PLAYER;
2402		3287
2403	if ($@) {	3288	warn "leaving sync_job";
		3289
		3290	1
		3291	} or do {
2404	warn $@;	3292	warn $@;
2405	warn "error while reloading, exiting.";	3293	warn "error while reloading, exiting.";
2406	exit 1;	3294	exit 1;
2407	}	3295	};
2408		3296
2409	warn "reloaded";	3297	warn "reloaded";
2410	};	3298	};
2411		3299
2412	#############################################################################	3300	our $RELOAD_WATCHER; # used only during reload
2413		3301
2414	unless ($LINK_MAP) {	3302	sub reload_perl() {
2415	$LINK_MAP = cf::map::new;	3303	# doing reload synchronously and two reloads happen back-to-back,
		3304	# coro crashes during coro_state_free->destroy here.
2416		3305
2417	$LINK_MAP->width (41);	3306	$RELOAD_WATCHER ||= Event->timer (
2418	$LINK_MAP->height (41);	3307	reentrant => 0,
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,	3308	after => 0,
		3309	data => WF_AUTOCANCEL,
2427	cb => sub {	3310	cb => sub {
2428	$_[0]->w->cancel;	3311	do_reload_perl;
2429		3312	undef $RELOAD_WATCHER;
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});	3313	},
2448		3314	);
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	3315	}
2454		3316
2455	register_command "reload" => sub {	3317	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3318	my ($who, $arg) = @_;
2457		3319
2458	if ($who->flag (FLAG_WIZ)) {	3320	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	3321	$who->message ("reloading server.");
		3322	async { reload_perl };
2462	}	3323	}
2463	};	3324	};
2464		3325
2465	unshift @INC, $LIBDIR;	3326	unshift @INC, $LIBDIR;
2466		3327
		3328	my $bug_warning = 0;
		3329
		3330	our @WAIT_FOR_TICK;
		3331	our @WAIT_FOR_TICK_BEGIN;
		3332
		3333	sub wait_for_tick {
		3334	return unless $TICK_WATCHER->is_active;
		3335	return if $Coro::current == $Coro::main;
		3336
		3337	my $signal = new Coro::Signal;
		3338	push @WAIT_FOR_TICK, $signal;
		3339	$signal->wait;
		3340	}
		3341
		3342	sub wait_for_tick_begin {
		3343	return unless $TICK_WATCHER->is_active;
		3344	return if $Coro::current == $Coro::main;
		3345
		3346	my $signal = new Coro::Signal;
		3347	push @WAIT_FOR_TICK_BEGIN, $signal;
		3348	$signal->wait;
		3349	}
		3350
		3351	my $min = 1e6;#d#
		3352	my $avg = 10;
2467	$TICK_WATCHER = Event->timer (	3353	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	3354	reentrant => 0,
		3355	parked => 1,
2469	prio => 0,	3356	prio => 0,
2470	at => $NEXT_TICK || $TICK,	3357	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	3358	data => WF_AUTOCANCEL,
2472	cb => sub {	3359	cb => sub {
		3360	if ($Coro::current != $Coro::main) {
		3361	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3362	unless ++$bug_warning > 10;
		3363	return;
		3364	}
		3365
2473	$NOW = Event::time;	3366	$NOW = $tick_start = Event::time;
2474		3367
2475	cf::server_tick; # one server iteration	3368	cf::server_tick; # one server iteration
		3369
		3370	0 && sync_job {#d#
		3371	for(1..10) {
		3372	my $t = Event::time;
		3373	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3374	or die;
		3375
		3376	$map->width (50);
		3377	$map->height (50);
		3378	$map->alloc;
		3379	$map->_load_objects ("/tmp/x.map", 1);
		3380	my $t = Event::time - $t;
		3381
		3382	#next unless $t < 0.0013;#d#
		3383	if ($t < $min) {
		3384	$min = $t;
		3385	}
		3386	$avg = $avg * 0.99 + $t * 0.01;
		3387	}
		3388	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3389	exit 0;
		3390	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3391	};
		3392
2476	$RUNTIME += $TICK;	3393	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	3394	$NEXT_TICK += $TICK;
2478		3395
2479	$WAIT_FOR_TICK->broadcast;	3396	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3397	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3398	Coro::async_pool {
		3399	write_runtime
		3400	or warn "ERROR: unable to write runtime file: $!";
		3401	};
		3402	}
		3403
		3404	# my $AFTER = Event::time;
		3405	# warn $AFTER - $NOW;#d#
		3406
		3407	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3408	$sig->send;
		3409	}
		3410	while (my $sig = shift @WAIT_FOR_TICK) {
		3411	$sig->send;
		3412	}
		3413
		3414	$NOW = Event::time;
2481		3415
2482	# if we are delayed by four ticks or more, skip them all	3416	# if we are delayed by four ticks or more, skip them all
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3417	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2484		3418
2485	$TICK_WATCHER->at ($NEXT_TICK);	3419	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;	3420	$TICK_WATCHER->start;
		3421
		3422	$LOAD = ($NOW - $tick_start) / $TICK;
		3423	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3424
		3425	_post_tick;
		3426
		3427
2487	},	3428	},
2488	);	3429	);
2489		3430
		3431	{
2490	IO::AIO::max_poll_time $TICK * 0.2;	3432	BDB::max_poll_time $TICK * 0.1;
2491		3433	$BDB_POLL_WATCHER = Event->io (
2492	Event->io (	3434	reentrant => 0,
2493	fd => IO::AIO::poll_fileno,	3435	fd => BDB::poll_fileno,
2494	poll => 'r',	3436	poll => 'r',
2495	prio => 5,	3437	prio => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,	3438	data => WF_AUTOCANCEL,
2502	after => 0,	3439	cb => \&BDB::poll_cb,
2503	interval => 10,	3440	);
2504	cb => sub {	3441	BDB::min_parallel 8;
2505	(Coro::unblock_sub {	3442
2506	write_runtime	3443	BDB::set_sync_prepare {
2507	or warn "ERROR: unable to write runtime file: $!";	3444	my $status;
		3445	my $current = $Coro::current;
		3446	(
		3447	sub {
		3448	$status = $!;
		3449	$current->ready; undef $current;
		3450	},
		3451	sub {
		3452	Coro::schedule while defined $current;
		3453	$! = $status;
		3454	},
		3455	)
		3456	};
		3457
		3458	unless ($DB_ENV) {
		3459	$DB_ENV = BDB::db_env_create;
		3460
		3461	cf::sync_job {
		3462	eval {
		3463	BDB::db_env_open
		3464	$DB_ENV,
		3465	$BDBDIR,
		3466	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3467	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3468	0666;
		3469
		3470	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3471
		3472	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3473	$DB_ENV->set_lk_detect;
		3474	};
		3475
		3476	cf::cleanup "db_env_open(db): $@" if $@;
2508	})->();	3477	};
2509	},	3478	}
2510	);	3479	}
		3480
		3481	{
		3482	IO::AIO::min_parallel 8;
		3483
		3484	undef $Coro::AIO::WATCHER;
		3485	IO::AIO::max_poll_time $TICK * 0.1;
		3486	$AIO_POLL_WATCHER = Event->io (
		3487	reentrant => 0,
		3488	data => WF_AUTOCANCEL,
		3489	fd => IO::AIO::poll_fileno,
		3490	poll => 'r',
		3491	prio => 6,
		3492	cb => \&IO::AIO::poll_cb,
		3493	);
		3494	}
		3495
		3496	my $_log_backtrace;
		3497
		3498	sub _log_backtrace {
		3499	my ($msg, @addr) = @_;
		3500
		3501	$msg =~ s/\n//;
		3502
		3503	# limit the # of concurrent backtraces
		3504	if ($_log_backtrace < 2) {
		3505	++$_log_backtrace;
		3506	async {
		3507	my @bt = fork_call {
		3508	@addr = map { sprintf "%x", $_ } @addr;
		3509	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3510	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3511	or die "addr2line: $!";
		3512
		3513	my @funcs;
		3514	my @res = <$fh>;
		3515	chomp for @res;
		3516	while (@res) {
		3517	my ($func, $line) = splice @res, 0, 2, ();
		3518	push @funcs, "[$func] $line";
		3519	}
		3520
		3521	@funcs
		3522	};
		3523
		3524	LOG llevInfo, "[ABT] $msg\n";
		3525	LOG llevInfo, "[ABT] $_\n" for @bt;
		3526	--$_log_backtrace;
		3527	};
		3528	} else {
		3529	LOG llevInfo, "[ABT] $msg\n";
		3530	LOG llevInfo, "[ABT] [suppressed]\n";
		3531	}
		3532	}
		3533
		3534	# load additional modules
		3535	use cf::pod;
2511		3536
2512	END { cf::emergency_save }	3537	END { cf::emergency_save }
2513		3538
2514	1	3539	1
2515		3540

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