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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.353 by root, Sun Sep 2 08:43:46 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	$self->{user_rel} || $self->{ext}
502	? undef
503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504	}
505
506	sub customise_for {
507	my ($self, $map, $ob) = @_;
508
509	if ($map->per_player) {
510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511	}
512
513	$map
514	}
515
516	# this is somewhat ugly, but style maps do need special treatment
517	sub is_style_map {
518	$_[0]{path} =~ m{^/styles/}
519	}
520
521	sub load_orig {
522	my ($self) = @_;
523
524	&cf::map::load_map_header ($self->load_path)
525	}
526
527	sub load_temp {
528	my ($self) = @_;
529
530	&cf::map::load_map_header ($self->save_path)
531	}
532
533	sub unlink_save {
534	my ($self) = @_;
535
536	utf8::encode (my $save = $self->save_path);
537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539	}
540
541	package cf;
542		626
543	#############################################################################	627	#############################################################################
544		628
545	=head2 ATTACHABLE OBJECTS	629	=head2 ATTACHABLE OBJECTS
546		630
…		…
548	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")
549	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
550		634
551	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>
552	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
553	crossfire+).	637	Crossfire TRT).
554		638
555	=over 4	639	=over 4
556		640
557	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
558		642
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	757	our @CB_MAP = ();
674		758
675	my %attachment;	759	my %attachment;
676		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
677	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
679		769
680	use sort 'stable';	770	use sort 'stable';
681		771
…		…
715	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
716		806
717	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
718	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
719	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
720	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
721		811
722	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
723	my $pkg = shift @arg;	813	my $pkg = shift @arg;
724		814
725	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
754	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
755	}	845	}
756		846
757	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
758	} else {	848	} else {
759	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
760	}	850	}
761		851
762	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
763	}	853	}
764		854
…		…
766	if (ref $_[0]) {	856	if (ref $_[0]) {
767	_object_attach @_;	857	_object_attach @_;
768	} else {	858	} else {
769	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
770	}	860	}
		861	_recalc_want;
771	};	862	};
772		863
773	# all those should be optimised	864	# all those should be optimised
774	sub cf::attachable::detach {	865	sub cf::attachable::detach {
775	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
778	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
779	reattach ($obj);	870	reattach ($obj);
780	} else {	871	} else {
781	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
782	}	873	}
		874	_recalc_want;
783	};	875	};
784		876
785	sub cf::attachable::attached {	877	sub cf::attachable::attached {
786	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
787		879
…		…
802	";	894	";
803	die if $@;	895	die if $@;
804	}	896	}
805		897
806	our $override;	898	our $override;
807	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?
808		900
809	sub override {	901	sub override {
810	$override = 1;	902	$override = 1;
811	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
812	}	904	}
813		905
814	sub do_invoke {	906	sub do_invoke {
815	my $event = shift;	907	my $event = shift;
816	my $callbacks = shift;	908	my $callbacks = shift;
817		909
818	@invoke_results = ();	910	@INVOKE_RESULTS = ();
819		911
820	local $override;	912	local $override;
821		913
822	for (@$callbacks) {	914	for (@$callbacks) {
823	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
840		932
841	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
842		934
843	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
844	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
845	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
846		938
847	=back	939	=back
848		940
849	=cut	941	=cut
850		942
851	#############################################################################	943	#############################################################################
852	# 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	}
853		956
854	sub reattach {	957	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
856	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
857		962
858	my $registry = $obj->registry;	963	my $registry = $obj->registry;
859		964
860	@$registry = ();	965	@$registry = ();
861		966
…		…
908	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
909		1014
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
912	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
913	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
914	close $fh;	1019	close $fh;
915		1020
916	if (@$objs) {	1021	if (@$objs) {
917	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) {
918	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
920	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
921	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
922	close $fh;	1027	close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
924	}	1029	}
925	} else {	1030	} else {
926	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
958	or return;	1063	or return;
959	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
960	}	1065	}
961		1066
962	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
963	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
964	return ($data, $av);	1069	return ($data, $av);
965	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
966		1077
967	#############################################################################	1078	#############################################################################
968	# command handling &c	1079	# command handling &c
969		1080
970	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
983	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
984	}	1095	}
985		1096
986	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
987		1098
988	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.
989		1104
990	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
991	called.	1106	called.
992		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
993	=cut	1119	=cut
994		1120
995	sub register_extcmd {	1121	sub register_extcmd {
996	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
997		1123
998	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
999	}	1131	}
1000		1132
1001	cf::player->attach (	1133	cf::player->attach (
1002	on_command => sub {	1134	on_command => sub {
1003	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
1012	cf::override;	1144	cf::override;
1013	},	1145	},
1014	on_extcmd => sub {	1146	on_extcmd => sub {
1015	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
1016		1148
1017	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1018		1150
1019	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
1020	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
1021	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
1022	$pl->ext_reply ($msg->{msgid}, %reply);
1023	}
1024	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
1025	} else {	1166	} else {
1026	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1027	}	1168	}
1028		1169
1029	cf::override;	1170	cf::override;
1030	},	1171	},
1031	);	1172	);
1032		1173
1033	sub load_extension {
1034	my ($path) = @_;
1035
1036	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1037	my $base = $1;
1038	my $pkg = $1;
1039	$pkg =~ s/[^[:word:]]/_/g;
1040	$pkg = "ext::$pkg";
1041
1042	warn "... loading '$path' into '$pkg'\n";
1043
1044	open my $fh, "<:utf8", $path
1045	or die "$path: $!";
1046
1047	my $source =
1048	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })
1051	. "\n};\n1";
1052
1053	eval $source
1054	or die $@ ? "$path: $@\n"
1055	: "extension disabled.\n";
1056
1057	push @EXTS, $pkg;
1058	}
1059
1060	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
1061	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
1062	next unless -r $ext;	1179	next unless -r $path;
1063	eval {	1180
1064	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;
1065	1	1238	}
1066	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
1067	}	1244	};
1068	}	1245	}
1069		1246
1070	#############################################################################	1247	#############################################################################
1071	# load/save/clean perl data associated with a map
1072		1248
1073	*cf::mapsupport::on_clean = sub {	1249	=back
1074	my ($map) = @_;
1075
1076	my $path = $map->tmpname;
1077	defined $path or return;
1078
1079	unlink "$path.pst";
1080	};
1081
1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084	#############################################################################
1085		1250
1086	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
1087		1252
1088	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
1089		1254
…		…
1102	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
1103		1268
1104	=cut	1269	=cut
1105		1270
1106	sub playerdir($) {	1271	sub playerdir($) {
1107	cf::localdir	1272	"$PLAYERDIR/"
1108	. "/"
1109	. cf::playerdir
1110	. "/"
1111	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1112	}	1274	}
1113		1275
1114	sub path($) {	1276	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		1278
1117	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
1118	}	1280	}
1119		1281
1120	sub find_active($) {	1282	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
1125		1287
1126	sub exists($) {	1288	sub exists($) {
1127	my ($login) = @_;	1289	my ($login) = @_;
1128		1290
1129	$cf::PLAYER{$login}	1291	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	1292	or cf::sync_job { !aio_stat path $login }
1131	}	1293	}
1132		1294
1133	sub find($) {	1295	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	1296	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	1297	my $login = $_[0];
1136		1298
1137	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
1138		1300
1139	$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
1140	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
1141	or return;	1310	or return;
1142	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
1143	}	1312	}
1144	}	1313	}
…		…
1156		1325
1157	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1158	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1159		1328
1160	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1161	Coro::cede;	1330	cf::cede_to_tick;
1162	}	1331	}
1163		1332
1164	sub new($) {	1333	sub new($) {
1165	my ($login) = @_;	1334	my ($login) = @_;
1166		1335
…		…
1172	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1173		1342
1174	$self	1343	$self
1175	}	1344	}
1176		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
1177	=item $pl->quit_character	1356	=item $pl->quit_character
1178		1357
1179	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
1180	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1181		1360
1182	=cut	1361	=cut
1183		1362
1184	sub quit_character {	1363	sub quit_character {
1185	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1186		1367
1187	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1188	$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
1189		1370
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1195	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1199	$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
1200	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;
1201	}	1402	}
1202		1403
1203	=item cf::player::list_logins	1404	=item cf::player::list_logins
1204		1405
1205	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
1206	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1207		1408
1208	=cut	1409	=cut
1209		1410
1210	sub list_logins {	1411	sub list_logins {
1211	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1212	or return [];	1413	or return [];
1213		1414
1214	my @logins;	1415	my @logins;
1215		1416
1216	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1225	\@logins	1426	\@logins
1226	}	1427	}
1227		1428
1228	=item $player->maps	1429	=item $player->maps
1229		1430
1230	Returns an arrayref of cf::path's of all maps that are private for this	1431	Returns an arrayref of map paths that are private for this
1231	player. May block.	1432	player. May block.
1232		1433
1233	=cut	1434	=cut
1234		1435
1235	sub maps($) {	1436	sub maps($) {
1236	my ($pl) = @_;	1437	my ($pl) = @_;
		1438
		1439	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1440
1238	my $files = aio_readdir playerdir $pl	1441	my $files = aio_readdir playerdir $pl
1239	or return;	1442	or return;
1240		1443
1241	my @paths;	1444	my @paths;
…		…
1243	for (@$files) {	1446	for (@$files) {
1244	utf8::decode $_;	1447	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1448	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1449	next unless /^$PATH_SEP/o;
1247		1450
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1451	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1452	}
1250		1453
1251	\@paths	1454	\@paths
1252	}	1455	}
1253		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGHT])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1478	# replace G<male|female> tags
		1479	|| s{G<([^>|]*)\|([^>]*)>}{
		1480	$self->gender ? $2 : $1
		1481	}ge
		1482	# replace H<hint text>
		1483	|| s{H<([^\>]*)>}
		1484	{
		1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1487	"")
		1488	[$self->{hintmode}]
		1489	}ge;
		1490
		1491	# create single paragraphs (very hackish)
		1492	s/(?<=\S)\n(?=\w)/ /g;
		1493
		1494	# compress some whitespace
		1495	s/\s+\n/\n/g; # ws line-ends
		1496	s/\n\n+/\n/g; # double lines
		1497	s/^\n+//; # beginning lines
		1498	s/\n+$//; # ending lines
		1499
		1500	$_
		1501	}
		1502
		1503	sub hintmode {
		1504	$_[0]{hintmode} = $_[1] if @_ > 1;
		1505	$_[0]{hintmode}
		1506	}
		1507
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1508	=item $player->ext_reply ($msgid, @msg)
1255		1509
1256	Sends an ext reply to the player.	1510	Sends an ext reply to the player.
1257		1511
1258	=cut	1512	=cut
1259		1513
1260	sub ext_reply($$$%) {	1514	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1515	my ($self, $id, @msg) = @_;
1262		1516
1263	$msg{msgid} = $id;	1517	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1518	}
1267		1519
1268	package cf;	1520	=item $player->ext_msg ($type, @msg)
		1521
		1522	Sends an ext event to the client.
		1523
		1524	=cut
		1525
		1526	sub ext_msg($$@) {
		1527	my ($self, $type, @msg) = @_;
		1528
		1529	$self->ns->ext_msg ($type, @msg);
		1530	}
		1531
		1532	=head3 cf::region
		1533
		1534	=over 4
		1535
		1536	=cut
		1537
		1538	package cf::region;
		1539
		1540	=item cf::region::find_by_path $path
		1541
		1542	Tries to decuce the likely region for a map knowing only its path.
		1543
		1544	=cut
		1545
		1546	sub find_by_path($) {
		1547	my ($path) = @_;
		1548
		1549	my ($match, $specificity);
		1550
		1551	for my $region (list) {
		1552	if ($region->{match} && $path =~ $region->{match}) {
		1553	($match, $specificity) = ($region, $region->specificity)
		1554	if $region->specificity > $specificity;
		1555	}
		1556	}
		1557
		1558	$match
		1559	}
1269		1560
1270	=back	1561	=back
1271
1272		1562
1273	=head3 cf::map	1563	=head3 cf::map
1274		1564
1275	=over 4	1565	=over 4
1276		1566
…		…
1279	package cf::map;	1569	package cf::map;
1280		1570
1281	use Fcntl;	1571	use Fcntl;
1282	use Coro::AIO;	1572	use Coro::AIO;
1283		1573
		1574	use overload
		1575	'""' => \&as_string,
		1576	fallback => 1;
		1577
1284	our $MAX_RESET = 3600;	1578	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1579	our $DEFAULT_RESET = 3000;
1286		1580
1287	sub generate_random_map {	1581	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1582	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1583	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1584	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1585	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1586	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1587	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1588	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1589	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1594	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1595	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1596	)
1305	}	1597	}
1306		1598
		1599	=item cf::map->register ($regex, $prio)
		1600
		1601	Register a handler for the map path matching the given regex at the
		1602	givne priority (higher is better, built-in handlers have priority 0, the
		1603	default).
		1604
		1605	=cut
		1606
		1607	sub register {
		1608	my (undef, $regex, $prio) = @_;
		1609	my $pkg = caller;
		1610
		1611	no strict;
		1612	push @{"$pkg\::ISA"}, __PACKAGE__;
		1613
		1614	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1615	}
		1616
		1617	# also paths starting with '/'
		1618	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1619
		1620	sub thawer_merge {
		1621	my ($self, $merge) = @_;
		1622
		1623	# we have to keep some variables in memory intact
		1624	local $self->{path};
		1625	local $self->{load_path};
		1626
		1627	$self->SUPER::thawer_merge ($merge);
		1628	}
		1629
		1630	sub normalise {
		1631	my ($path, $base) = @_;
		1632
		1633	$path = "$path"; # make sure its a string
		1634
		1635	$path =~ s/\.map$//;
		1636
		1637	# map plan:
		1638	#
		1639	# /! non-realised random map exit (special hack!)
		1640	# {... are special paths that are not being touched
		1641	# ?xxx/... are special absolute paths
		1642	# ?random/... random maps
		1643	# /... normal maps
		1644	# ~user/... per-player map of a specific user
		1645
		1646	$path =~ s/$PATH_SEP/\//go;
		1647
		1648	# treat it as relative path if it starts with
		1649	# something that looks reasonable
		1650	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1651	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1652
		1653	$base =~ s{[^/]+/?$}{};
		1654	$path = "$base/$path";
		1655	}
		1656
		1657	for ($path) {
		1658	redo if s{//}{/};
		1659	redo if s{/\.?/}{/};
		1660	redo if s{/[^/]+/\.\./}{/};
		1661	}
		1662
		1663	$path
		1664	}
		1665
		1666	sub new_from_path {
		1667	my (undef, $path, $base) = @_;
		1668
		1669	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1670
		1671	$path = normalise $path, $base;
		1672
		1673	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1674	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1675	my $self = bless cf::map::new, $pkg;
		1676	$self->{path} = $path; $self->path ($path);
		1677	$self->init; # pass $1 etc.
		1678	return $self;
		1679	}
		1680	}
		1681
		1682	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1683	()
		1684	}
		1685
		1686	sub init {
		1687	my ($self) = @_;
		1688
		1689	$self
		1690	}
		1691
		1692	sub as_string {
		1693	my ($self) = @_;
		1694
		1695	"$self->{path}"
		1696	}
		1697
		1698	# the displayed name, this is a one way mapping
		1699	sub visible_name {
		1700	&as_string
		1701	}
		1702
		1703	# the original (read-only) location
		1704	sub load_path {
		1705	my ($self) = @_;
		1706
		1707	"$MAPDIR/$self->{path}.map"
		1708	}
		1709
		1710	# the temporary/swap location
		1711	sub save_path {
		1712	my ($self) = @_;
		1713
		1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1715	"$TMPDIR/$path.map"
		1716	}
		1717
		1718	# the unique path, undef == no special unique path
		1719	sub uniq_path {
		1720	my ($self) = @_;
		1721
		1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1723	"$UNIQUEDIR/$path"
		1724	}
		1725
1307	# and all this just because we cannot iterate over	1726	# and all this just because we cannot iterate over
1308	# all maps in C++...	1727	# all maps in C++...
1309	sub change_all_map_light {	1728	sub change_all_map_light {
1310	my ($change) = @_;	1729	my ($change) = @_;
1311		1730
1312	$_->change_map_light ($change)	1731	$_->change_map_light ($change)
1313	for grep $_->outdoor, values %cf::MAP;	1732	for grep $_->outdoor, values %cf::MAP;
1314	}	1733	}
1315		1734
		1735	sub decay_objects {
		1736	my ($self) = @_;
		1737
		1738	return if $self->{deny_reset};
		1739
		1740	$self->do_decay_objects;
		1741	}
		1742
		1743	sub unlink_save {
		1744	my ($self) = @_;
		1745
		1746	utf8::encode (my $save = $self->save_path);
		1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1748	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1749	}
		1750
1316	sub load_map_header($) {	1751	sub load_header_from($) {
1317	my ($path) = @_;	1752	my ($self, $path) = @_;
1318		1753
1319	utf8::encode $path;	1754	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1755	#aio_open $path, O_RDONLY, 0
		1756	# or return;
		1757
		1758	$self->_load_header ($path)
1321	or return;	1759	or return;
1322		1760
1323	my $map = cf::map::new	1761	$self->{load_path} = $path;
		1762
		1763	1
		1764	}
		1765
		1766	sub load_header_orig {
		1767	my ($self) = @_;
		1768
		1769	$self->load_header_from ($self->load_path)
		1770	}
		1771
		1772	sub load_header_temp {
		1773	my ($self) = @_;
		1774
		1775	$self->load_header_from ($self->save_path)
		1776	}
		1777
		1778	sub prepare_temp {
		1779	my ($self) = @_;
		1780
		1781	$self->last_access ((delete $self->{last_access})
		1782	|| $cf::RUNTIME); #d#
		1783	# safety
		1784	$self->{instantiate_time} = $cf::RUNTIME
		1785	if $self->{instantiate_time} > $cf::RUNTIME;
		1786	}
		1787
		1788	sub prepare_orig {
		1789	my ($self) = @_;
		1790
		1791	$self->{load_original} = 1;
		1792	$self->{instantiate_time} = $cf::RUNTIME;
		1793	$self->last_access ($cf::RUNTIME);
		1794	$self->instantiate;
		1795	}
		1796
		1797	sub load_header {
		1798	my ($self) = @_;
		1799
		1800	if ($self->load_header_temp) {
		1801	$self->prepare_temp;
		1802	} else {
		1803	$self->load_header_orig
1324	or return;	1804	or return;
		1805	$self->prepare_orig;
		1806	}
1325		1807
1326	# for better error messages only, will be overwritten later	1808	$self->{deny_reset} = 1
1327	$map->path ($path);	1809	if $self->no_reset;
1328		1810
1329	$map->load_header ($path)	1811	$self->default_region (cf::region::find_by_path $self->{path})
1330	or return;	1812	unless $self->default_region;
1331		1813
1332	$map->{load_path} = $path;	1814	1
1333
1334	$map
1335	}	1815	}
1336		1816
1337	sub find;	1817	sub find;
1338	sub find {	1818	sub find {
1339	my ($path, $origin) = @_;	1819	my ($path, $origin) = @_;
1340		1820
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1821	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1822
1346	cf::lock_wait "map_find:$key";	1823	cf::lock_wait "map_find:$path";
1347		1824
1348	$cf::MAP{$key} || do {	1825	$cf::MAP{$path} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1826	my $guard = cf::lock_acquire "map_find:$path";
1350		1827	my $map = new_from_path cf::map $path
1351	# do it the slow way
1352	my $map = $path->load_temp;
1353
1354	Coro::cede;
1355
1356	if ($map) {
1357	$map->last_access ((delete $map->{last_access})
1358	|| $cf::RUNTIME); #d#
1359	# safety
1360	$map->{instantiate_time} = $cf::RUNTIME
1361	if $map->{instantiate_time} > $cf::RUNTIME;
1362	} else {
1363	$map = $path->load_orig
1364	or return;	1828	or return;
1365		1829
1366	$map->{load_original} = 1;
1367	$map->{instantiate_time} = $cf::RUNTIME;
1368	$map->last_access ($cf::RUNTIME);
1369	$map->instantiate;
1370
1371	# per-player maps become, after loading, normal maps
1372	$map->per_player (0) if $path->{user_rel};
1373	}
1374
1375	$map->path ($key);
1376	$map->{path} = $path;
1377	$map->{last_save} = $cf::RUNTIME;	1830	$map->{last_save} = $cf::RUNTIME;
1378		1831
1379	Coro::cede;	1832	$map->load_header
		1833	or return;
1380		1834
1381	if ($map->should_reset) {	1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1836	# doing this can freeze the server in a sync job, obviously
		1837	#$cf::WAIT_FOR_TICK->wait;
1382	$map->reset;	1838	$map->reset;
1383	undef $guard;	1839	undef $guard;
1384	$map = find $path	1840	return find $path;
1385	or return;
1386	}	1841	}
1387		1842
1388	$cf::MAP{$key} = $map	1843	$cf::MAP{$path} = $map
1389	}	1844	}
1390	}	1845	}
		1846
		1847	sub pre_load { }
		1848	sub post_load { }
1391		1849
1392	sub load {	1850	sub load {
1393	my ($self) = @_;	1851	my ($self) = @_;
1394		1852
		1853	local $self->{deny_reset} = 1; # loading can take a long time
		1854
1395	my $path = $self->{path};	1855	my $path = $self->{path};
		1856
		1857	{
		1858	my $guard1 = cf::lock_acquire "map_data:$path";
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1859	my $guard2 = cf::lock_acquire "map_load:$path";
1397		1860
1398	return if $self->in_memory != cf::MAP_SWAPPED;	1861	return if $self->in_memory != cf::MAP_SWAPPED;
1399		1862
1400	$self->in_memory (cf::MAP_LOADING);	1863	$self->in_memory (cf::MAP_LOADING);
1401		1864
1402	$self->alloc;	1865	$self->alloc;
		1866
		1867	$self->pre_load;
		1868	cf::cede_to_tick;
		1869
1403	$self->load_objects ($self->{load_path}, 1)	1870	$self->_load_objects ($self->{load_path}, 1)
1404	or return;	1871	or return;
1405		1872
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407	if delete $self->{load_original};	1874	if delete $self->{load_original};
1408		1875
1409	if (my $uniq = $path->uniq_path) {	1876	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	1877	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	1878	if (aio_open $uniq, O_RDONLY, 0) {
1412	$self->clear_unique_items;	1879	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	1880	$self->_load_objects ($uniq, 0);
1414	}	1881	}
1415	}	1882	}
1416		1883
1417	Coro::cede;	1884	cf::cede_to_tick;
1418
1419	# now do the right thing for maps	1885	# now do the right thing for maps
1420	$self->link_multipart_objects;	1886	$self->link_multipart_objects;
1421
1422	if ($self->{path}->is_style_map) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;
1427	$self->fix_auto_apply;
1428	$self->update_buttons;
1429	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	1887	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	1888	unless $self->difficulty;
		1889	cf::cede_to_tick;
		1890
		1891	unless ($self->{deny_activate}) {
		1892	$self->decay_objects;
		1893	$self->fix_auto_apply;
		1894	$self->update_buttons;
		1895	cf::cede_to_tick;
		1896	$self->set_darkness_map;
		1897	cf::cede_to_tick;
1432	$self->activate;	1898	$self->activate;
1433	}	1899	}
1434		1900
1435	Coro::cede;	1901	$self->{last_save} = $cf::RUNTIME;
		1902	$self->last_access ($cf::RUNTIME);
1436		1903
1437	$self->in_memory (cf::MAP_IN_MEMORY);	1904	$self->in_memory (cf::MAP_IN_MEMORY);
		1905	}
		1906
		1907	$self->post_load;
		1908	}
		1909
		1910	sub customise_for {
		1911	my ($self, $ob) = @_;
		1912
		1913	return find "~" . $ob->name . "/" . $self->{path}
		1914	if $self->per_player;
		1915
		1916	# return find "?party/" . $ob->name . "/" . $self->{path}
		1917	# if $self->per_party;
		1918
		1919	$self
1438	}	1920	}
1439		1921
1440	# find and load all maps in the 3x3 area around a map	1922	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1923	sub load_neighbours {
1442	my ($map) = @_;	1924	my ($map) = @_;
1443		1925
1444	my @diag; # diagonal neighbours	1926	my @neigh; # diagonal neighbours
1445		1927
1446	for (0 .. 3) {	1928	for (0 .. 3) {
1447	my $neigh = $map->tile_path ($_)	1929	my $neigh = $map->tile_path ($_)
1448	or next;	1930	or next;
1449	$neigh = find $neigh, $map	1931	$neigh = find $neigh, $map
1450	or next;	1932	or next;
1451	$neigh->load;	1933	$neigh->load;
1452		1934
		1935	push @neigh,
1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1455	}	1938	}
1456		1939
1457	for (@diag) {	1940	for (grep defined $_->[0], @neigh) {
		1941	my ($path, $origin) = @$_;
1458	my $neigh = find @$_	1942	my $neigh = find $path, $origin
1459	or next;	1943	or next;
1460	$neigh->load;	1944	$neigh->load;
1461	}	1945	}
1462	}	1946	}
1463		1947
…		…
1468	}	1952	}
1469		1953
1470	sub do_load_sync {	1954	sub do_load_sync {
1471	my ($map) = @_;	1955	my ($map) = @_;
1472		1956
		1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1958	if $Coro::current == $Coro::main;
		1959
1473	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
1474	}	1961	}
1475		1962
1476	our %MAP_PREFETCH;	1963	our %MAP_PREFETCH;
		1964	our $MAP_PREFETCHER = undef;
		1965
		1966	sub find_async {
		1967	my ($path, $origin, $load) = @_;
		1968
		1969	$path = normalise $path, $origin && $origin->{path};
		1970
		1971	if (my $map = $cf::MAP{$path}) {
		1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1973	}
		1974
		1975	$MAP_PREFETCH{$path} |= $load;
		1976
1477	our $MAP_PREFETCHER = Coro::async {	1977	$MAP_PREFETCHER ||= cf::async {
1478	while () {
1479	while (%MAP_PREFETCH) {	1978	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH	1979	while (my ($k, $v) = each %MAP_PREFETCH) {
1481	or next;	1980	if (my $map = find $k) {
		1981	$map->load if $v;
		1982	}
		1983
1482	my $path = delete $MAP_PREFETCH{$key};	1984	delete $MAP_PREFETCH{$k};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}	1985	}
1488	Coro::schedule;	1986	}
		1987	undef $MAP_PREFETCHER;
1489	}	1988	};
1490	};
1491
1492	sub find_async {
1493	my ($path, $origin) = @_;
1494
1495	$path = new cf::path $path, $origin && $origin->path;
1496	my $key = $path->as_string;
1497
1498	if (my $map = $cf::MAP{$key}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}
1501
1502	$MAP_PREFETCH{$key} = $path;
1503	$MAP_PREFETCHER->ready;	1989	$MAP_PREFETCHER->prio (6);
1504		1990
1505	()	1991	()
1506	}	1992	}
1507		1993
1508	sub save {	1994	sub save {
1509	my ($self) = @_;	1995	my ($self) = @_;
1510		1996
1511	my $lock = cf::lock_acquire "map_data:" . $self->path;	1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1512		1998
1513	$self->{last_save} = $cf::RUNTIME;	1999	$self->{last_save} = $cf::RUNTIME;
1514		2000
1515	return unless $self->dirty;	2001	return unless $self->dirty;
1516		2002
1517	my $save = $self->{path}->save_path; utf8::encode $save;	2003	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2004	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		2005
1520	$self->{load_path} = $save;	2006	$self->{load_path} = $save;
1521		2007
1522	return if $self->{deny_save};	2008	return if $self->{deny_save};
1523		2009
…		…
1526	cf::async {	2012	cf::async {
1527	$_->contr->save for $self->players;	2013	$_->contr->save for $self->players;
1528	};	2014	};
1529		2015
1530	if ($uniq) {	2016	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2017	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	2018	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	2019	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2020	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	2021	}
1536	}	2022	}
1537		2023
1538	sub swap_out {	2024	sub swap_out {
1539	my ($self) = @_;	2025	my ($self) = @_;
1540		2026
1541	# save first because save cedes	2027	# save first because save cedes
1542	$self->save;	2028	$self->save;
1543		2029
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2030	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2031
1546	return if $self->players;	2032	return if $self->players;
1547	return if $self->in_memory != cf::MAP_IN_MEMORY;	2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
1548	return if $self->{deny_save};	2034	return if $self->{deny_save};
1549		2035
…		…
1553		2039
1554	sub reset_at {	2040	sub reset_at {
1555	my ($self) = @_;	2041	my ($self) = @_;
1556		2042
1557	# TODO: safety, remove and allow resettable per-player maps	2043	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};
1559	return 1e99 if $self->{deny_reset};	2044	return 1e99 if $self->{deny_reset};
1560		2045
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2046	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2047	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		2048
…		…
1568	my ($self) = @_;	2053	my ($self) = @_;
1569		2054
1570	$self->reset_at <= $cf::RUNTIME	2055	$self->reset_at <= $cf::RUNTIME
1571	}	2056	}
1572		2057
1573	sub rename {
1574	my ($self, $new_path) = @_;
1575
1576	$self->{path}->unlink_save;
1577
1578	delete $cf::MAP{$self->path};
1579	$self->{path} = new cf::path $new_path;
1580	$self->path ($self->{path}->as_string);
1581	$cf::MAP{$self->path} = $self;
1582
1583	$self->save;
1584	}
1585
1586	sub reset {	2058	sub reset {
1587	my ($self) = @_;	2059	my ($self) = @_;
1588		2060
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	2061	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		2062
1591	return if $self->players;	2063	return if $self->players;
1592	return if $self->{path}{user_rel};#d#
1593		2064
1594	warn "resetting map ", $self->path;#d#	2065	warn "resetting map ", $self->path;
		2066
		2067	$self->in_memory (cf::MAP_SWAPPED);
		2068
		2069	# need to save uniques path
		2070	unless ($self->{deny_save}) {
		2071	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2072
		2073	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2074	if $uniq;
		2075	}
1595		2076
1596	delete $cf::MAP{$self->path};	2077	delete $cf::MAP{$self->path};
1597		2078
		2079	$self->clear;
		2080
1598	$_->clear_links_to ($self) for values %cf::MAP;	2081	$_->clear_links_to ($self) for values %cf::MAP;
1599		2082
1600	$self->{path}->unlink_save;	2083	$self->unlink_save;
1601	$self->destroy;	2084	$self->destroy;
1602	}	2085	}
1603		2086
1604	my $nuke_counter = "aaaa";	2087	my $nuke_counter = "aaaa";
1605		2088
1606	sub nuke {	2089	sub nuke {
1607	my ($self) = @_;	2090	my ($self) = @_;
1608		2091
		2092	{
		2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2094
		2095	delete $cf::MAP{$self->path};
		2096
		2097	$self->unlink_save;
		2098
		2099	bless $self, "cf::map";
		2100	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2101	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2102	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2104
		2105	$cf::MAP{$self->path} = $self;
		2106	}
		2107
1612	$self->reset; # polite request, might not happen	2108	$self->reset; # polite request, might not happen
1613	}	2109	}
1614		2110
		2111	=item $maps = cf::map::tmp_maps
		2112
		2113	Returns an arrayref with all map paths of currently instantiated and saved
		2114	maps. May block.
		2115
		2116	=cut
		2117
		2118	sub tmp_maps() {
		2119	[
		2120	map {
		2121	utf8::decode $_;
		2122	/\.map$/
		2123	? normalise $_
		2124	: ()
		2125	} @{ aio_readdir $TMPDIR or [] }
		2126	]
		2127	}
		2128
		2129	=item $maps = cf::map::random_maps
		2130
		2131	Returns an arrayref with all map paths of currently instantiated and saved
		2132	random maps. May block.
		2133
		2134	=cut
		2135
		2136	sub random_maps() {
		2137	[
		2138	map {
		2139	utf8::decode $_;
		2140	/\.map$/
		2141	? normalise "?random/$_"
		2142	: ()
		2143	} @{ aio_readdir $RANDOMDIR or [] }
		2144	]
		2145	}
		2146
1615	=item cf::map::unique_maps	2147	=item cf::map::unique_maps
1616		2148
1617	Returns an arrayref of cf::path's of all shared maps that have	2149	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	2150	instantiated unique items. May block.
1619		2151
1620	=cut	2152	=cut
1621		2153
1622	sub unique_maps() {	2154	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2155	[
1624	or return;	2156	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2157	utf8::decode $_;
1630	next if /\.pst$/;	2158	/\.map$/
1631	next unless /^$PATH_SEP/o;	2159	? normalise $_
1632		2160	: ()
1633	push @paths, new cf::path $_;	2161	} @{ aio_readdir $UNIQUEDIR or [] }
1634	}	2162	]
1635
1636	\@paths
1637	}	2163	}
1638		2164
1639	package cf;	2165	package cf;
1640		2166
1641	=back	2167	=back
…		…
1687		2213
1688	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2214	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1689		2215
1690	if ($self->{record_replies}) {	2216	if ($self->{record_replies}) {
1691	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2217	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2218
1692	} else {	2219	} else {
		2220	my $pl = $self->contr;
		2221
		2222	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2223	my $dialog = $pl->{npc_dialog};
		2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2225
		2226	} else {
1693	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1694	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1695	}	2230	}
		2231	}
		2232
		2233	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2234
		2235	=cut
		2236
		2237	sub cf::object::send_msg {
		2238	my $pl = shift->contr
		2239	or return;
		2240	$pl->send_msg (@_);
1696	}	2241	}
1697		2242
1698	=item $player_object->may ("access")	2243	=item $player_object->may ("access")
1699		2244
1700	Returns wether the given player is authorized to access resource "access"	2245	Returns wether the given player is authorized to access resource "access"
…		…
1713		2258
1714	=item $player_object->enter_link	2259	=item $player_object->enter_link
1715		2260
1716	Freezes the player and moves him/her to a special map (C<{link}>).	2261	Freezes the player and moves him/her to a special map (C<{link}>).
1717		2262
1718	The player should be reaosnably safe there for short amounts of time. You	2263	The player should be reasonably safe there for short amounts of time. You
1719	I<MUST> call C<leave_link> as soon as possible, though.	2264	I<MUST> call C<leave_link> as soon as possible, though.
1720		2265
		2266	Will never block.
		2267
1721	=item $player_object->leave_link ($map, $x, $y)	2268	=item $player_object->leave_link ($map, $x, $y)
1722		2269
1723	Moves the player out of the specila link map onto the given map. If the	2270	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	2271	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	2272	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	2273	fails, to the emergency map position.
1727		2274
1728	Might block.	2275	Might block.
1729		2276
1730	=cut	2277	=cut
		2278
		2279	sub link_map {
		2280	unless ($LINK_MAP) {
		2281	$LINK_MAP = cf::map::find "{link}"
		2282	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2283	$LINK_MAP->load;
		2284	}
		2285
		2286	$LINK_MAP
		2287	}
1731		2288
1732	sub cf::object::player::enter_link {	2289	sub cf::object::player::enter_link {
1733	my ($self) = @_;	2290	my ($self) = @_;
1734		2291
1735	$self->deactivate_recursive;	2292	$self->deactivate_recursive;
1736		2293
1737	return if $self->map == $LINK_MAP;	2294	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		2295
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	2297	if $self->map && $self->map->{path} ne "{link}";
1741		2298
1742	$self->enter_map ($LINK_MAP, 20, 20);	2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	2300	}
1744		2301
1745	sub cf::object::player::leave_link {	2302	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	2303	my ($self, $map, $x, $y) = @_;
		2304
		2305	return unless $self->contr->active;
1747		2306
1748	my $link_pos = delete $self->{_link_pos};	2307	my $link_pos = delete $self->{_link_pos};
1749		2308
1750	unless ($map) {	2309	unless ($map) {
1751	# restore original map position	2310	# restore original map position
…		…
1765	# use -1 or undef as default coordinates, not 0, 0	2324	# use -1 or undef as default coordinates, not 0, 0
1766	($x, $y) = ($map->enter_x, $map->enter_y)	2325	($x, $y) = ($map->enter_x, $map->enter_y)
1767	if $x <=0 && $y <= 0;	2326	if $x <=0 && $y <= 0;
1768		2327
1769	$map->load;	2328	$map->load;
1770	$map->load_diag;	2329	$map->load_neighbours;
1771		2330
1772	return unless $self->contr->active;	2331	return unless $self->contr->active;
1773	$self->activate_recursive;	2332	$self->activate_recursive;
		2333
		2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	2335	$self->enter_map ($map, $x, $y);
1775	}	2336	}
1776		2337
1777	cf::player->attach (	2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1778	on_logout => sub {
1779	my ($pl) = @_;
1780		2339
1781	# abort map switching before logout	2340	Moves the player to the given map-path and coordinates by first freezing
1782	if ($pl->ob->{_link_pos}) {	2341	her, loading and preparing them map, calling the provided $check callback
1783	cf::sync_job {	2342	that has to return the map if sucecssful, and then unfreezes the player on
1784	$pl->ob->leave_link	2343	the new (success) or old (failed) map position. In either case, $done will
1785	};	2344	be called at the end of this process.
1786	}
1787	},
1788	on_login => sub {
1789	my ($pl) = @_;
1790		2345
1791	# try to abort aborted map switching on player login :)
1792	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;
1795	(async {
1796	# we need this sleep as the login has a concurrent enter_exit running
1797	# and this sleep increases chances of the player not ending up in scorn
1798	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);
1802	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;
1804	})->prio (2);
1805	}
1806	},
1807	);
1808
1809	=item $player_object->goto ($path, $x, $y)
1810
1811	=cut	2346	=cut
		2347
		2348	our $GOTOGEN;
1812		2349
1813	sub cf::object::player::goto {	2350	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	2351	my ($self, $path, $x, $y, $check, $done) = @_;
1815		2352
1816	$path = new cf::path $path;	2353	# do generation counting so two concurrent goto's will be executed in-order
		2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1817		2355
1818	$self->enter_link;	2356	$self->enter_link;
1819		2357
1820	(async {	2358	(async {
		2359	my $map = eval {
1821	my $map = cf::map::find $path->as_string;	2360	my $map = cf::map::find $path;
1822	$map = $map->{path}->customise_for ($map, $self) if $map;
1823		2361
1824	# warn "entering ", $map->path, " at ($x, $y)\n"
1825	# if $map;	2362	if ($map) {
1826		2363	$map = $map->customise_for ($self);
		2364	$map = $check->($map) if $check && $map;
		2365	} else {
1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2367	}
1828		2368
		2369	$map
		2370	};
		2371
		2372	if ($@) {
		2373	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2374	LOG llevError | logBacktrace, Carp::longmess $@;
		2375	}
		2376
		2377	if ($gen == $self->{_goto_generation}) {
		2378	delete $self->{_goto_generation};
1829	$self->leave_link ($map, $x, $y);	2379	$self->leave_link ($map, $x, $y);
		2380	}
		2381
		2382	$done->() if $done;
1830	})->prio (1);	2383	})->prio (1);
1831	}	2384	}
1832		2385
1833	=item $player_object->enter_exit ($exit_object)	2386	=item $player_object->enter_exit ($exit_object)
1834		2387
…		…
1836		2389
1837	sub parse_random_map_params {	2390	sub parse_random_map_params {
1838	my ($spec) = @_;	2391	my ($spec) = @_;
1839		2392
1840	my $rmp = { # defaults	2393	my $rmp = { # defaults
1841	xsize => 10,	2394	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	2395	ysize => (cf::rndm 15, 40),
		2396	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2397	#layout => string,
1843	};	2398	};
1844		2399
1845	for (split /\n/, $spec) {	2400	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	2401	my ($k, $v) = split /\s+/, $_, 2;
1847		2402
…		…
1851	$rmp	2406	$rmp
1852	}	2407	}
1853		2408
1854	sub prepare_random_map {	2409	sub prepare_random_map {
1855	my ($exit) = @_;	2410	my ($exit) = @_;
		2411
		2412	my $guard = cf::lock_acquire "exit_prepare:$exit";
1856		2413
1857	# all this does is basically replace the /! path by	2414	# all this does is basically replace the /! path by
1858	# a new random map path (?random/...) with a seed	2415	# a new random map path (?random/...) with a seed
1859	# that depends on the exit object	2416	# that depends on the exit object
1860		2417
1861	my $rmp = parse_random_map_params $exit->msg;	2418	my $rmp = parse_random_map_params $exit->msg;
1862		2419
1863	if ($exit->map) {	2420	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	2421	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	2422	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	2423	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	2424	$rmp->{origin_y} = $exit->y;
1868	}	2425	}
1869		2426
1870	$rmp->{random_seed} ||= $exit->random_seed;	2427	$rmp->{random_seed} ||= $exit->random_seed;
1871		2428
1872	my $data = cf::to_json $rmp;	2429	my $data = cf::to_json $rmp;
1873	my $md5 = Digest::MD5::md5_hex $data;	2430	my $md5 = Digest::MD5::md5_hex $data;
		2431	my $meta = "$RANDOMDIR/$md5.meta";
1874		2432
1875	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1876	aio_write $fh, 0, (length $data), $data, 0;	2434	aio_write $fh, 0, (length $data), $data, 0;
		2435	undef $fh;
		2436	aio_rename "$meta~", $meta;
1877		2437
1878	$exit->slaying ("?random/$md5");	2438	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	2439	$exit->msg (undef);
1880	}	2440	}
1881	}	2441	}
…		…
1883	sub cf::object::player::enter_exit {	2443	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2444	my ($self, $exit) = @_;
1885		2445
1886	return unless $self->type == cf::PLAYER;	2446	return unless $self->type == cf::PLAYER;
1887		2447
		2448	if ($exit->slaying eq "/!") {
		2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2450	# the problem is that $exit might not survive long enough
		2451	# so it needs to be done right now, right here
		2452	cf::sync_job { prepare_random_map $exit };
		2453	}
		2454
		2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2456	my $hp = $exit->stats->hp;
		2457	my $sp = $exit->stats->sp;
		2458
1888	$self->enter_link;	2459	$self->enter_link;
		2460
		2461	# if exit is damned, update players death & WoR home-position
		2462	$self->contr->savebed ($slaying, $hp, $sp)
		2463	if $exit->flag (FLAG_DAMNED);
1889		2464
1890	(async {	2465	(async {
1891	$self->deactivate_recursive; # just to be sure	2466	$self->deactivate_recursive; # just to be sure
1892	unless (eval {	2467	unless (eval {
1893	prepare_random_map $exit	2468	$self->goto ($slaying, $hp, $sp);
1894	if $exit->slaying eq "/!";
1895
1896	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1898		2469
1899	1;	2470	1;
1900	}) {	2471	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2472	$self->message ("Something went wrong deep within the crossfire server. "
1902	. "I'll try to bring you back to the map you were before. "	2473	. "I'll try to bring you back to the map you were before. "
1903	. "Please report this to the dungeon master!",	2474	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2475	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2476
1906	warn "ERROR in enter_exit: $@";	2477	warn "ERROR in enter_exit: $@";
1907	$self->leave_link;	2478	$self->leave_link;
1908	}	2479	}
1909	})->prio (1);	2480	})->prio (1);
…		…
1922		2493
1923	sub cf::client::send_drawinfo {	2494	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2495	my ($self, $text, $flags) = @_;
1925		2496
1926	utf8::encode $text;	2497	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2499	}
1929		2500
		2501	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2502
		2503	Send a drawinfo or msg packet to the client, formatting the msg for the
		2504	client if neccessary. C<$type> should be a string identifying the type of
		2505	the message, with C<log> being the default. If C<$color> is negative, suppress
		2506	the message unless the client supports the msg packet.
		2507
		2508	=cut
		2509
		2510	our %CHANNEL = (
		2511	"c/identify" => {
		2512	id => "identify",
		2513	title => "Identify",
		2514	reply => undef,
		2515	tooltip => "Items recently identified",
		2516	},
		2517	"c/examine" => {
		2518	id => "examine",
		2519	title => "Examine",
		2520	reply => undef,
		2521	tooltip => "Signs and other items you examined",
		2522	},
		2523	);
		2524
		2525	sub cf::client::send_msg {
		2526	my ($self, $channel, $msg, $color, @extra) = @_;
		2527
		2528	$msg = $self->pl->expand_cfpod ($msg);
		2529
		2530	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2531
		2532	# check predefined channels, for the benefit of C
		2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2534
		2535	if (ref $channel) {
		2536	# send meta info to client, if not yet sent
		2537	unless (exists $self->{channel}{$channel->{id}}) {
		2538	$self->{channel}{$channel->{id}} = $channel;
		2539	$self->ext_msg (channel_info => $channel)
		2540	if $self->can_msg;
		2541	}
		2542
		2543	$channel = $channel->{id};
		2544	}
		2545
		2546	return unless @extra || length $msg;
		2547
		2548	if ($self->can_msg) {
		2549	# default colour, mask it out
		2550	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2551	if $color & cf::NDI_DEF;
		2552
		2553	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2554	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2555	} else {
		2556	if ($color >= 0) {
		2557	# replace some tags by gcfclient-compatible ones
		2558	for ($msg) {
		2559	1 while
		2560	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2561	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2562	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2563	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2564	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2565	}
		2566
		2567	$color &= cf::NDI_COLOR_MASK;
		2568
		2569	utf8::encode $msg;
		2570
		2571	if (0 && $msg =~ /\[/) {
		2572	# COMMAND/INFO
		2573	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2574	} else {
		2575	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2576	$self->send_packet ("drawinfo $color $msg")
		2577	}
		2578	}
		2579	}
		2580	}
		2581
		2582	=item $client->ext_msg ($type, @msg)
		2583
		2584	Sends an ext event to the client.
		2585
		2586	=cut
		2587
		2588	sub cf::client::ext_msg($$@) {
		2589	my ($self, $type, @msg) = @_;
		2590
		2591	if ($self->extcmd == 2) {
		2592	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2593	} elsif ($self->extcmd == 1) { # TODO: remove
		2594	push @msg, msgtype => "event_$type";
		2595	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2596	}
		2597	}
		2598
		2599	=item $client->ext_reply ($msgid, @msg)
		2600
		2601	Sends an ext reply to the client.
		2602
		2603	=cut
		2604
		2605	sub cf::client::ext_reply($$@) {
		2606	my ($self, $id, @msg) = @_;
		2607
		2608	if ($self->extcmd == 2) {
		2609	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2610	} elsif ($self->extcmd == 1) {
		2611	#TODO: version 1, remove
		2612	unshift @msg, msgtype => "reply", msgid => $id;
		2613	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2614	}
		2615	}
1930		2616
1931	=item $success = $client->query ($flags, "text", \&cb)	2617	=item $success = $client->query ($flags, "text", \&cb)
1932		2618
1933	Queues a query to the client, calling the given callback with	2619	Queues a query to the client, calling the given callback with
1934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2620	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1935	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2621	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1936		2622
1937	Queries can fail, so check the return code. Or don't, as queries will become	2623	Queries can fail, so check the return code. Or don't, as queries will
1938	reliable at some point in the future.	2624	become reliable at some point in the future.
1939		2625
1940	=cut	2626	=cut
1941		2627
1942	sub cf::client::query {	2628	sub cf::client::query {
1943	my ($self, $flags, $text, $cb) = @_;	2629	my ($self, $flags, $text, $cb) = @_;
…		…
1951	utf8::encode $text;	2637	utf8::encode $text;
1952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2638	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1953		2639
1954	$self->send_packet ($self->{query_queue}[0][0])	2640	$self->send_packet ($self->{query_queue}[0][0])
1955	if @{ $self->{query_queue} } == 1;	2641	if @{ $self->{query_queue} } == 1;
		2642
		2643	1
1956	}	2644	}
1957		2645
1958	cf::client->attach (	2646	cf::client->attach (
		2647	on_connect => sub {
		2648	my ($ns) = @_;
		2649
		2650	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2651	},
1959	on_reply => sub {	2652	on_reply => sub {
1960	my ($ns, $msg) = @_;	2653	my ($ns, $msg) = @_;
1961		2654
1962	# this weird shuffling is so that direct followup queries	2655	# this weird shuffling is so that direct followup queries
1963	# get handled first	2656	# get handled first
1964	my $queue = delete $ns->{query_queue}	2657	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	2658	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		2659
1967	(shift @$queue)->[1]->($msg);	2660	(shift @$queue)->[1]->($msg);
		2661	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2662
1969	push @{ $ns->{query_queue} }, @$queue;	2663	push @{ $ns->{query_queue} }, @$queue;
1970		2664
1971	if (@{ $ns->{query_queue} } == @$queue) {	2665	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2666	if (@$queue) {
…		…
1974	} else {	2668	} else {
1975	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2669	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1976	}	2670	}
1977	}	2671	}
1978	},	2672	},
		2673	on_exticmd => sub {
		2674	my ($ns, $buf) = @_;
		2675
		2676	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2677
		2678	if (ref $msg) {
		2679	my ($type, $reply, @payload) =
		2680	"ARRAY" eq ref $msg
		2681	? @$msg
		2682	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2683
		2684	my @reply;
		2685
		2686	if (my $cb = $EXTICMD{$type}) {
		2687	@reply = $cb->($ns, @payload);
		2688	}
		2689
		2690	$ns->ext_reply ($reply, @reply)
		2691	if $reply;
		2692
		2693	} else {
		2694	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2695	}
		2696
		2697	cf::override;
		2698	},
1979	);	2699	);
1980		2700
1981	=item $client->async (\&cb)	2701	=item $client->async (\&cb)
1982		2702
1983	Create a new coroutine, running the specified callback. The coroutine will	2703	Create a new coroutine, running the specified callback. The coroutine will
…		…
2024	our $safe = new Safe "safe";	2744	our $safe = new Safe "safe";
2025	our $safe_hole = new Safe::Hole;	2745	our $safe_hole = new Safe::Hole;
2026		2746
2027	$SIG{FPE} = 'IGNORE';	2747	$SIG{FPE} = 'IGNORE';
2028		2748
2029	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2749	$safe->permit_only (Opcode::opset qw(
		2750	:base_core :base_mem :base_orig :base_math
		2751	grepstart grepwhile mapstart mapwhile
		2752	sort time
		2753	));
2030		2754
2031	# here we export the classes and methods available to script code	2755	# here we export the classes and methods available to script code
2032		2756
2033	=pod	2757	=pod
2034		2758
2035	The following fucntions and emthods are available within a safe environment:	2759	The following functions and methods are available within a safe environment:
2036		2760
2037	cf::object contr pay_amount pay_player map	2761	cf::object
		2762	contr pay_amount pay_player map x y force_find force_add
		2763	insert remove name archname title slaying race decrease_ob_nr
		2764
2038	cf::object::player player	2765	cf::object::player
2039	cf::player peaceful	2766	player
2040	cf::map trigger	2767
		2768	cf::player
		2769	peaceful
		2770
		2771	cf::map
		2772	trigger
2041		2773
2042	=cut	2774	=cut
2043		2775
2044	for (	2776	for (
2045	["cf::object" => qw(contr pay_amount pay_player map)],	2777	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2778	insert remove inv name archname title slaying race
		2779	decrease_ob_nr)],
2046	["cf::object::player" => qw(player)],	2780	["cf::object::player" => qw(player)],
2047	["cf::player" => qw(peaceful)],	2781	["cf::player" => qw(peaceful)],
2048	["cf::map" => qw(trigger)],	2782	["cf::map" => qw(trigger)],
2049	) {	2783	) {
2050	no strict 'refs';	2784	no strict 'refs';
…		…
2121	=back	2855	=back
2122		2856
2123	=cut	2857	=cut
2124		2858
2125	#############################################################################	2859	#############################################################################
		2860	# the server's init and main functions
2126		2861
2127	=head2 EXTENSION DATABASE SUPPORT	2862	sub load_facedata($) {
		2863	my ($path) = @_;
2128		2864
2129	Crossfire maintains a very simple database for extension use. It can	2865	# HACK to clear player env face cache, we need some signal framework
2130	currently store anything that can be serialised using Storable, which	2866	# for this (global event?)
2131	excludes objects.	2867	%ext::player_env::MUSIC_FACE_CACHE = ();
2132		2868
2133	The parameter C<$family> should best start with the name of the extension	2869	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2134	using it, it should be unique.
2135		2870
2136	=over 4	2871	warn "loading facedata from $path\n";
2137		2872
2138	=item $hashref = cf::db_get $family	2873	my $facedata;
		2874	0 < aio_load $path, $facedata
		2875	or die "$path: $!";
2139		2876
2140	Return a hashref for use by the extension C<$family>, which can be	2877	$facedata = Coro::Storable::thaw $facedata;
2141	modified. After modifications, you have to call C<cf::db_dirty> or
2142	C<cf::db_sync>.
2143		2878
2144	=item $value = cf::db_get $family => $key	2879	$facedata->{version} == 2
		2880	or cf::cleanup "$path: version mismatch, cannot proceed.";
2145		2881
2146	Returns a single value from the database	2882	# patch in the exptable
2147		2883	$facedata->{resource}{"res/exp_table"} = {
2148	=item cf::db_put $family => $hashref	2884	type => FT_RSRC,
2149		2885	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2150	Stores the given family hashref into the database. Updates are delayed, if
2151	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153	=item cf::db_put $family => $key => $value
2154
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you
2156	want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158	=item cf::db_dirty
2159
2160	Marks the database as dirty, to be updated at a later time.
2161
2162	=item cf::db_sync
2163
2164	Immediately write the database to disk I<if it is dirty>.
2165
2166	=cut
2167
2168	our $DB;
2169
2170	{
2171	my $path = cf::localdir . "/database.pst";
2172
2173	sub db_load() {
2174	$DB = stat $path ? Storable::retrieve $path : { };
2175	}
2176
2177	my $pid;
2178
2179	sub db_save() {
2180	waitpid $pid, 0 if $pid;
2181	if (0 == ($pid = fork)) {
2182	$DB->{_meta}{version} = 1;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}
2187	}
2188
2189	my $dirty;
2190
2191	sub db_sync() {
2192	db_save if $dirty;
2193	undef $dirty;
2194	}
2195
2196	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197	db_sync;
2198	});	2886	};
		2887	cf::cede_to_tick;
2199		2888
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}	2889	{
		2890	my $faces = $facedata->{faceinfo};
2204		2891
2205	sub db_get($;$) {	2892	while (my ($face, $info) = each %$faces) {
2206	@_ >= 2	2893	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2207	? $DB->{$_[0]}{$_[1]}	2894	cf::face::set_visibility $idx, $info->{visibility};
2208	: ($DB->{$_[0]} ||= { })	2895	cf::face::set_magicmap $idx, $info->{magicmap};
2209	}	2896	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2897	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2210		2898
2211	sub db_put($$;$) {	2899	cf::cede_to_tick;
2212	if (@_ >= 3) {
2213	$DB->{$_[0]}{$_[1]} = $_[2];
2214	} else {
2215	$DB->{$_[0]} = $_[1];
2216	}
2217	db_dirty;
2218	}
2219
2220	cf::global->attach (
2221	prio => 10000,
2222	on_cleanup => sub {
2223	db_sync;
2224	},	2900	}
2225	);
2226	}
2227		2901
2228	#############################################################################	2902	while (my ($face, $info) = each %$faces) {
2229	# the server's main()	2903	next unless $info->{smooth};
		2904	my $idx = cf::face::find $face
		2905	or next;
		2906	if (my $smooth = cf::face::find $info->{smooth}) {
		2907	cf::face::set_smooth $idx, $smooth;
		2908	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2909	} else {
		2910	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2911	}
2230		2912
2231	sub cfg_load {	2913	cf::cede_to_tick;
		2914	}
		2915	}
		2916
		2917	{
		2918	my $anims = $facedata->{animinfo};
		2919
		2920	while (my ($anim, $info) = each %$anims) {
		2921	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2922	cf::cede_to_tick;
		2923	}
		2924
		2925	cf::anim::invalidate_all; # d'oh
		2926	}
		2927
		2928	{
		2929	# TODO: for gcfclient pleasure, we should give resources
		2930	# that gcfclient doesn't grok a >10000 face index.
		2931	my $res = $facedata->{resource};
		2932
		2933	my $soundconf = delete $res->{"res/sound.conf"};
		2934
		2935	while (my ($name, $info) = each %$res) {
		2936	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2937	my $data;
		2938
		2939	if ($info->{type} & 1) {
		2940	# prepend meta info
		2941
		2942	my $meta = $enc->encode ({
		2943	name => $name,
		2944	%{ $info->{meta} || {} },
		2945	});
		2946
		2947	$data = pack "(w/a*)*", $meta, $info->{data};
		2948	} else {
		2949	$data = $info->{data};
		2950	}
		2951
		2952	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2953	cf::face::set_type $idx, $info->{type};
		2954
		2955	cf::cede_to_tick;
		2956	}
		2957
		2958	if ($soundconf) {
		2959	$soundconf = $enc->decode (delete $soundconf->{data});
		2960
		2961	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2962	my $sound = $soundconf->{compat}[$_]
		2963	or next;
		2964
		2965	my $face = cf::face::find "sound/$sound->[1]";
		2966	cf::sound::set $sound->[0] => $face;
		2967	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2968	}
		2969
		2970	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2971	my $face = cf::face::find "sound/$v";
		2972	cf::sound::set $k => $face;
		2973	}
		2974	}
		2975	}
		2976
		2977	1
		2978	}
		2979
		2980	register_exticmd fx_want => sub {
		2981	my ($ns, $want) = @_;
		2982
		2983	while (my ($k, $v) = each %$want) {
		2984	$ns->fx_want ($k, $v);
		2985	}
		2986	};
		2987
		2988	sub reload_regions {
		2989	# HACK to clear player env face cache, we need some signal framework
		2990	# for this (global event?)
		2991	%ext::player_env::MUSIC_FACE_CACHE = ();
		2992
		2993	load_resource_file "$MAPDIR/regions"
		2994	or die "unable to load regions file\n";
		2995
		2996	for (cf::region::list) {
		2997	$_->{match} = qr/$_->{match}/
		2998	if exists $_->{match};
		2999	}
		3000	}
		3001
		3002	sub reload_facedata {
		3003	load_facedata "$DATADIR/facedata"
		3004	or die "unable to load facedata\n";
		3005	}
		3006
		3007	sub reload_archetypes {
		3008	load_resource_file "$DATADIR/archetypes"
		3009	or die "unable to load archetypes\n";
		3010	#d# NEED to laod twice to resolve forward references
		3011	# this really needs to be done in an extra post-pass
		3012	# (which needs to be synchronous, so solve it differently)
		3013	load_resource_file "$DATADIR/archetypes"
		3014	or die "unable to load archetypes\n";
		3015	}
		3016
		3017	sub reload_treasures {
		3018	load_resource_file "$DATADIR/treasures"
		3019	or die "unable to load treasurelists\n";
		3020	}
		3021
		3022	sub reload_resources {
		3023	warn "reloading resource files...\n";
		3024
		3025	reload_regions;
		3026	reload_facedata;
		3027	#reload_archetypes;#d#
		3028	reload_archetypes;
		3029	reload_treasures;
		3030
		3031	warn "finished reloading resource files\n";
		3032	}
		3033
		3034	sub init {
		3035	reload_resources;
		3036	}
		3037
		3038	sub reload_config {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	3039	open my $fh, "<:utf8", "$CONFDIR/config"
2233	or return;	3040	or return;
2234		3041
2235	local $/;	3042	local $/;
2236	*CFG = YAML::Syck::Load <$fh>;	3043	*CFG = YAML::Syck::Load <$fh>;
2237		3044
…		…
2251		3058
2252	sub main {	3059	sub main {
2253	# we must not ever block the main coroutine	3060	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	3061	local $Coro::idle = sub {
2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3062	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3063	(async {
2256	async { Event::one_event };	3064	Event::one_event;
		3065	})->prio (Coro::PRIO_MAX);
2257	};	3066	};
2258		3067
2259	cfg_load;	3068	reload_config;
2260	db_load;	3069	db_init;
2261	load_extensions;	3070	load_extensions;
		3071
		3072	$TICK_WATCHER->start;
2262	Event::loop;	3073	Event::loop;
2263	}	3074	}
2264		3075
2265	#############################################################################	3076	#############################################################################
2266	# initialisation and cleanup	3077	# initialisation and cleanup
2267		3078
2268	# install some emergency cleanup handlers	3079	# install some emergency cleanup handlers
2269	BEGIN {	3080	BEGIN {
2270	for my $signal (qw(INT HUP TERM)) {	3081	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	3082	Event->signal (
		3083	reentrant => 0,
2272	data => WF_AUTOCANCEL,	3084	data => WF_AUTOCANCEL,
2273	signal => $signal,	3085	signal => $signal,
		3086	prio => 0,
2274	cb => sub {	3087	cb => sub {
2275	cf::cleanup "SIG$signal";	3088	cf::cleanup "SIG$signal";
2276	},	3089	},
2277	);	3090	);
2278	}	3091	}
2279	}	3092	}
2280		3093
		3094	sub write_runtime {
		3095	my $runtime = "$LOCALDIR/runtime";
		3096
		3097	# first touch the runtime file to show we are still running:
		3098	# the fsync below can take a very very long time.
		3099
		3100	IO::AIO::aio_utime $runtime, undef, undef;
		3101
		3102	my $guard = cf::lock_acquire "write_runtime";
		3103
		3104	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3105	or return;
		3106
		3107	my $value = $cf::RUNTIME + 90 + 10;
		3108	# 10 is the runtime save interval, for a monotonic clock
		3109	# 60 allows for the watchdog to kill the server.
		3110
		3111	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3112	and return;
		3113
		3114	# always fsync - this file is important
		3115	aio_fsync $fh
		3116	and return;
		3117
		3118	# touch it again to show we are up-to-date
		3119	aio_utime $fh, undef, undef;
		3120
		3121	close $fh
		3122	or return;
		3123
		3124	aio_rename "$runtime~", $runtime
		3125	and return;
		3126
		3127	warn "runtime file written.\n";
		3128
		3129	1
		3130	}
		3131
2281	sub emergency_save() {	3132	sub emergency_save() {
2282	my $freeze_guard = cf::freeze_mainloop;	3133	my $freeze_guard = cf::freeze_mainloop;
2283		3134
2284	warn "enter emergency perl save\n";	3135	warn "enter emergency perl save\n";
2285		3136
2286	cf::sync_job {	3137	cf::sync_job {
2287	# use a peculiar iteration method to avoid tripping on perl	3138	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	3139	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	3140	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	3141	warn "begin emergency player save\n";
2291	for my $login (keys %cf::PLAYER) {	3142	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	3143	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	3144	$pl->valid or next;
2294	$pl->save;	3145	$pl->save;
…		…
2300	my $map = $cf::MAP{$path} or next;	3151	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	3152	$map->valid or next;
2302	$map->save;	3153	$map->save;
2303	}	3154	}
2304	warn "end emergency map save\n";	3155	warn "end emergency map save\n";
		3156
		3157	warn "begin emergency database checkpoint\n";
		3158	BDB::db_env_txn_checkpoint $DB_ENV;
		3159	warn "end emergency database checkpoint\n";
2305	};	3160	};
2306		3161
2307	warn "leave emergency perl save\n";	3162	warn "leave emergency perl save\n";
2308	}	3163	}
2309		3164
		3165	sub post_cleanup {
		3166	my ($make_core) = @_;
		3167
		3168	warn Carp::longmess "post_cleanup backtrace"
		3169	if $make_core;
		3170	}
		3171
2310	sub reload() {	3172	sub do_reload_perl() {
2311	# can/must only be called in main	3173	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	3174	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	3175	warn "can only reload from main coroutine";
2314	return;	3176	return;
2315	}	3177	}
2316		3178
2317	warn "reloading...";	3179	warn "reloading...";
2318		3180
2319	warn "freezing server";	3181	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	3182
		3183	cf::sync_job {
		3184	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	3185	cf::emergency_save;
		3186	cf::write_runtime; # external watchdog should not bark
2322		3187
2323	warn "sync database to disk";	3188	warn "syncing database to disk";
2324	cf::db_sync;	3189	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		3190
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved	3191	# if anything goes wrong in here, we should simply crash as we already saved
2329		3192
2330	warn "cancel all watchers";	3193	warn "cancelling all WF_AUTOCANCEL watchers";
2331	for (Event::all_watchers) {	3194	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	3195	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}	3196	}
2334		3197
		3198	warn "flushing outstanding aio requests";
		3199	for (;;) {
		3200	BDB::flush;
		3201	IO::AIO::flush;
		3202	Coro::cede;
		3203	last unless IO::AIO::nreqs || BDB::nreqs;
		3204	warn "iterate...";
		3205	}
		3206
		3207	++$RELOAD;
		3208
2335	warn "cancel all extension coros";	3209	warn "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	3210	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	3211	%EXT_CORO = ();
2338		3212
2339	warn "remove commands";	3213	warn "removing commands";
2340	%COMMAND = ();	3214	%COMMAND = ();
2341		3215
2342	warn "remove ext commands";	3216	warn "removing ext/exti commands";
2343	%EXTCMD = ();	3217	%EXTCMD = ();
		3218	%EXTICMD = ();
2344		3219
2345	warn "unload/nuke all extensions";	3220	warn "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	3221	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	3222	warn "... unloading $pkg";
2348		3223
2349	if (my $cb = $pkg->can ("unload")) {	3224	if (my $cb = $pkg->can ("unload")) {
2350	eval {	3225	eval {
…		…
2355		3230
2356	warn "... nuking $pkg";	3231	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;	3232	Symbol::delete_package $pkg;
2358	}	3233	}
2359		3234
2360	warn "unload all perl modules loaded from $LIBDIR";	3235	warn "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	3236	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3237	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		3238
2364	warn "removing <$k>";	3239	warn "... unloading $k";
2365	delete $INC{$k};	3240	delete $INC{$k};
2366		3241
2367	$k =~ s/\.pm$//;	3242	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	3243	$k =~ s/\//::/g;
2369		3244
…		…
2372	}	3247	}
2373		3248
2374	Symbol::delete_package $k;	3249	Symbol::delete_package $k;
2375	}	3250	}
2376		3251
2377	warn "get rid of safe::, as good as possible";	3252	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	3253	Symbol::delete_package "safe::$_"
2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3254	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380		3255
2381	warn "unload cf.pm \"a bit\"";	3256	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	3257	delete $INC{"cf.pm"};
		3258	delete $INC{"cf/pod.pm"};
2383		3259
2384	# don't, removes xs symbols, too,	3260	# don't, removes xs symbols, too,
2385	# and global variables created in xs	3261	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	3262	#Symbol::delete_package __PACKAGE__;
2387		3263
		3264	warn "unload completed, starting to reload now";
		3265
2388	warn "reloading cf.pm";	3266	warn "reloading cf.pm";
2389	require cf;	3267	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3268	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		3269
2392	warn "load config and database again";	3270	warn "loading config and database again";
2393	cf::cfg_load;	3271	cf::reload_config;
2394	cf::db_load;
2395		3272
2396	warn "load extensions";	3273	warn "loading extensions";
2397	cf::load_extensions;	3274	cf::load_extensions;
2398		3275
2399	warn "reattach attachments to objects/players";	3276	warn "reattaching attachments to objects/players";
2400	_global_reattach;	3277	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	3278	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	3279	reattach $_ for values %MAP;
2403	};	3280	warn "reattaching attachments to players";
		3281	reattach $_ for values %PLAYER;
2404		3282
2405	if ($@) {	3283	warn "leaving sync_job";
		3284
		3285	1
		3286	} or do {
2406	warn $@;	3287	warn $@;
2407	warn "error while reloading, exiting.";	3288	warn "error while reloading, exiting.";
2408	exit 1;	3289	exit 1;
2409	}	3290	};
2410		3291
2411	warn "reloaded";	3292	warn "reloaded";
2412	};	3293	};
2413		3294
2414	#############################################################################	3295	our $RELOAD_WATCHER; # used only during reload
2415		3296
2416	unless ($LINK_MAP) {	3297	sub reload_perl() {
2417	$LINK_MAP = cf::map::new;	3298	# doing reload synchronously and two reloads happen back-to-back,
		3299	# coro crashes during coro_state_free->destroy here.
2418		3300
2419	$LINK_MAP->width (41);	3301	$RELOAD_WATCHER ||= Event->timer (
2420	$LINK_MAP->height (41);	3302	reentrant => 0,
2421	$LINK_MAP->alloc;
2422	$LINK_MAP->path ("{link}");
2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426	# dirty hack because... archetypes are not yet loaded
2427	Event->timer (
2428	after => 10,	3303	after => 0,
		3304	data => WF_AUTOCANCEL,
2429	cb => sub {	3305	cb => sub {
2430	$_[0]->w->cancel;	3306	do_reload_perl;
2431		3307	undef $RELOAD_WATCHER;
2432	# provide some exits "home"
2433	my $exit = cf::object::new "exit";
2434
2435	$exit->slaying ($EMERGENCY_POSITION->[0]);
2436	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439	$LINK_MAP->insert ($exit->clone, 19, 19);
2440	$LINK_MAP->insert ($exit->clone, 19, 20);
2441	$LINK_MAP->insert ($exit->clone, 19, 21);
2442	$LINK_MAP->insert ($exit->clone, 20, 19);
2443	$LINK_MAP->insert ($exit->clone, 20, 21);
2444	$LINK_MAP->insert ($exit->clone, 21, 19);
2445	$LINK_MAP->insert ($exit->clone, 21, 20);
2446	$LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448	$exit->destroy;
2449	});	3308	},
2450		3309	);
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}	3310	}
2456		3311
2457	register_command "reload" => sub {	3312	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	3313	my ($who, $arg) = @_;
2459		3314
2460	if ($who->flag (FLAG_WIZ)) {	3315	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");
2462	reload;
2463	$who->message ("end of reload.");	3316	$who->message ("reloading server.");
		3317	async { reload_perl };
2464	}	3318	}
2465	};	3319	};
2466		3320
2467	unshift @INC, $LIBDIR;	3321	unshift @INC, $LIBDIR;
2468		3322
		3323	my $bug_warning = 0;
		3324
		3325	our @WAIT_FOR_TICK;
		3326	our @WAIT_FOR_TICK_BEGIN;
		3327
		3328	sub wait_for_tick {
		3329	return unless $TICK_WATCHER->is_active;
		3330	return if $Coro::current == $Coro::main;
		3331
		3332	my $signal = new Coro::Signal;
		3333	push @WAIT_FOR_TICK, $signal;
		3334	$signal->wait;
		3335	}
		3336
		3337	sub wait_for_tick_begin {
		3338	return unless $TICK_WATCHER->is_active;
		3339	return if $Coro::current == $Coro::main;
		3340
		3341	my $signal = new Coro::Signal;
		3342	push @WAIT_FOR_TICK_BEGIN, $signal;
		3343	$signal->wait;
		3344	}
		3345
		3346	my $min = 1e6;#d#
		3347	my $avg = 10;
2469	$TICK_WATCHER = Event->timer (	3348	$TICK_WATCHER = Event->timer (
2470	reentrant => 0,	3349	reentrant => 0,
		3350	parked => 1,
2471	prio => 0,	3351	prio => 0,
2472	at => $NEXT_TICK || $TICK,	3352	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,	3353	data => WF_AUTOCANCEL,
2474	cb => sub {	3354	cb => sub {
		3355	if ($Coro::current != $Coro::main) {
		3356	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3357	unless ++$bug_warning > 10;
		3358	return;
		3359	}
		3360
2475	$NOW = Event::time;	3361	$NOW = $tick_start = Event::time;
2476		3362
2477	cf::server_tick; # one server iteration	3363	cf::server_tick; # one server iteration
		3364
		3365	0 && sync_job {#d#
		3366	for(1..10) {
		3367	my $t = Event::time;
		3368	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3369	or die;
		3370
		3371	$map->width (50);
		3372	$map->height (50);
		3373	$map->alloc;
		3374	$map->_load_objects ("/tmp/x.map", 1);
		3375	my $t = Event::time - $t;
		3376
		3377	#next unless $t < 0.0013;#d#
		3378	if ($t < $min) {
		3379	$min = $t;
		3380	}
		3381	$avg = $avg * 0.99 + $t * 0.01;
		3382	}
		3383	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3384	exit 0;
		3385	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3386	};
		3387
2478	$RUNTIME += $TICK;	3388	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;	3389	$NEXT_TICK += $TICK;
2480		3390
2481	$WAIT_FOR_TICK->broadcast;	3391	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3392	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3393	Coro::async_pool {
		3394	write_runtime
		3395	or warn "ERROR: unable to write runtime file: $!";
		3396	};
		3397	}
		3398
		3399	# my $AFTER = Event::time;
		3400	# warn $AFTER - $NOW;#d#
		3401
		3402	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3403	$sig->send;
		3404	}
		3405	while (my $sig = shift @WAIT_FOR_TICK) {
		3406	$sig->send;
		3407	}
		3408
		3409	$NOW = Event::time;
2483		3410
2484	# if we are delayed by four ticks or more, skip them all	3411	# if we are delayed by four ticks or more, skip them all
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3412	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2486		3413
2487	$TICK_WATCHER->at ($NEXT_TICK);	3414	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;	3415	$TICK_WATCHER->start;
		3416
		3417	$LOAD = ($NOW - $tick_start) / $TICK;
		3418	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3419
		3420	_post_tick;
		3421
		3422
2489	},	3423	},
2490	);	3424	);
2491		3425
		3426	{
2492	IO::AIO::max_poll_time $TICK * 0.2;	3427	BDB::max_poll_time $TICK * 0.1;
2493		3428	$BDB_POLL_WATCHER = Event->io (
2494	Event->io (	3429	reentrant => 0,
2495	fd => IO::AIO::poll_fileno,	3430	fd => BDB::poll_fileno,
2496	poll => 'r',	3431	poll => 'r',
2497	prio => 5,	3432	prio => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,	3433	data => WF_AUTOCANCEL,
2504	after => 0,	3434	cb => \&BDB::poll_cb,
2505	interval => 10,	3435	);
2506	cb => sub {	3436	BDB::min_parallel 8;
2507	(Coro::unblock_sub {	3437
2508	write_runtime	3438	BDB::set_sync_prepare {
2509	or warn "ERROR: unable to write runtime file: $!";	3439	my $status;
		3440	my $current = $Coro::current;
		3441	(
		3442	sub {
		3443	$status = $!;
		3444	$current->ready; undef $current;
		3445	},
		3446	sub {
		3447	Coro::schedule while defined $current;
		3448	$! = $status;
		3449	},
		3450	)
		3451	};
		3452
		3453	unless ($DB_ENV) {
		3454	$DB_ENV = BDB::db_env_create;
		3455
		3456	cf::sync_job {
		3457	eval {
		3458	BDB::db_env_open
		3459	$DB_ENV,
		3460	$BDBDIR,
		3461	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3462	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3463	0666;
		3464
		3465	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3466
		3467	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3468	$DB_ENV->set_lk_detect;
		3469	};
		3470
		3471	cf::cleanup "db_env_open(db): $@" if $@;
2510	})->();	3472	};
2511	},	3473	}
2512	);	3474	}
		3475
		3476	{
		3477	IO::AIO::min_parallel 8;
		3478
		3479	undef $Coro::AIO::WATCHER;
		3480	IO::AIO::max_poll_time $TICK * 0.1;
		3481	$AIO_POLL_WATCHER = Event->io (
		3482	reentrant => 0,
		3483	data => WF_AUTOCANCEL,
		3484	fd => IO::AIO::poll_fileno,
		3485	poll => 'r',
		3486	prio => 6,
		3487	cb => \&IO::AIO::poll_cb,
		3488	);
		3489	}
		3490
		3491	my $_log_backtrace;
		3492
		3493	sub _log_backtrace {
		3494	my ($msg, @addr) = @_;
		3495
		3496	$msg =~ s/\n//;
		3497
		3498	# limit the # of concurrent backtraces
		3499	if ($_log_backtrace < 2) {
		3500	++$_log_backtrace;
		3501	async {
		3502	my @bt = fork_call {
		3503	@addr = map { sprintf "%x", $_ } @addr;
		3504	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3505	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3506	or die "addr2line: $!";
		3507
		3508	my @funcs;
		3509	my @res = <$fh>;
		3510	chomp for @res;
		3511	while (@res) {
		3512	my ($func, $line) = splice @res, 0, 2, ();
		3513	push @funcs, "[$func] $line";
		3514	}
		3515
		3516	@funcs
		3517	};
		3518
		3519	LOG llevInfo, "[ABT] $msg\n";
		3520	LOG llevInfo, "[ABT] $_\n" for @bt;
		3521	--$_log_backtrace;
		3522	};
		3523	} else {
		3524	LOG llevInfo, "[ABT] $msg\n";
		3525	LOG llevInfo, "[ABT] [suppressed]\n";
		3526	}
		3527	}
		3528
		3529	# load additional modules
		3530	use cf::pod;
2513		3531
2514	END { cf::emergency_save }	3532	END { cf::emergency_save }
2515		3533
2516	1	3534	1
2517		3535

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