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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.222 by root, Tue Mar 6 03:06:00 2007 UTC vs.
Revision 1.356 by root, Tue Sep 4 05:43:21 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 3.5 ();	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 ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
24	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	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
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$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
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	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(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
…		…
62	our %CFG;	87	our %CFG;
63		88
64	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	90	our $RUNTIME;
66		91
67	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		95
76	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $tick_start; # for load detecting purposes
		102
79	binmode STDOUT;	103	binmode STDOUT;
80	binmode STDERR;	104	binmode STDERR;
81		105
82	# read virtual server time, if available	106	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
87	}	111	}
88		112
89	mkdir cf::localdir;	113	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		115
96	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
97		117
98	sub cf::map::normalise;	118	sub cf::map::normalise;
99		119
…		…
110	=item $cf::RUNTIME	130	=item $cf::RUNTIME
111		131
112	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
113	every server tick.	133	every server tick.
114		134
115	=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
116		138
117	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		143
120	=item $cf::NOW	144	=item $cf::NOW
121		145
122	The time of the last (current) server tick.	146	The time of the last (current) server tick.
123		147
124	=item $cf::TICK	148	=item $cf::TICK
125		149
126	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.
127		161
128	=item %cf::CFG	162	=item %cf::CFG
129		163
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	165	from wherever your confdir points to.
132		166
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		168
135	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
136	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
137	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.
138	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.
139		178
140	=back	179	=back
141		180
142	=cut	181	=cut
143		182
144	BEGIN {	183	BEGIN {
145	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	185	my $msg = join "", @_;
147	utf8::encode $msg;
148		186
149	$msg .= "\n"	187	$msg .= "\n"
150	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
151		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
152	LOG llevError, $msg;	193	LOG llevError, $msg;
153	};	194	};
154	}	195	}
155		196
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		204
163	# 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
164	# within the Safe compartment.	206	# within the Safe compartment.
165	for my $pkg (qw(	207	for my $pkg (qw(
166	cf::global cf::attachable	208	cf::global cf::attachable
…		…
174	}	216	}
175		217
176	$Event::DIED = sub {	218	$Event::DIED = sub {
177	warn "error in event callback: @_";	219	warn "error in event callback: @_";
178	};	220	};
		221
		222	#############################################################################
179		223
180	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
181		225
182	=over 4	226	=over 4
183		227
…		…
202	$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;
203	$d	247	$d
204	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
205	}	249	}
206		250
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
210		252
211	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
212		254
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
221		256
222	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
223		258
224	=cut	259	=cut
225		260
226	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
228	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
230		265
231	=item cf::lock_wait $string	266	=item cf::lock_wait $string
232		267
233	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
234		269
…		…
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
240	returned.	275	returned.
241		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
242	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
243	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.
244		286
245	=cut	287	=cut
246		288
247	our %LOCK;	289	our %LOCK;
248		290
…		…
266		308
267	Coro::guard {	309	Coro::guard {
268	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
270	}	312	}
		313	}
		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
271	}	319	}
272		320
273	sub freeze_mainloop {	321	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
275		323
…		…
278	};	326	};
279	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
280	$guard	328	$guard
281	}	329	}
282		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;
		385	}
		386
283	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
284		388
285	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	390	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287	thing you are allowed to do is call C<prio> on it.	391	thing you are allowed to do is call C<prio> on it.
…		…
290		394
291	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
292		396
293	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
294		398
295	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)
296	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
297	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.
298		403
299	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
300	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
301	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
302	fast or be very important.	407	fast or be very important.
…		…
305		410
306	sub sync_job(&) {	411	sub sync_job(&) {
307	my ($job) = @_;	412	my ($job) = @_;
308		413
309	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
310	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
312		419
313	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
325		432
326	while ($busy) {	433	while ($busy) {
327	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
328	}	435	}
329		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
330	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
331	} else {	445	} else {
332	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
333		447
334	$job->()	448	$job->()
…		…
353	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
354		468
355	$coro	469	$coro
356	}	470	}
357		471
358	sub write_runtime {	472	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		473
361	my $runtime = cf::localdir . "/runtime";	474	Executes the given code block with the given arguments in a seperate
		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.
362		478
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	479	=cut
364	or return;
365		480
366	my $value = $cf::RUNTIME + 90 + 10;	481	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	482	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		483
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	484	# we seemingly have to make a local copy of the whole thing,
371	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (likely this will be rather laborious)
372		487
373	# always fsync - this file is important	488	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	489	reset_signals;
375	and return;	490	&$cb
		491	}, @args;
376		492
377	close $fh	493	wantarray ? @res : $res[-1]
378	or return;	494	}
379		495
380	aio_rename "$runtime~", $runtime	496	=item $value = cf::db_get $family => $key
381	and return;
382		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	};
383	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 });
384	}	621	}
385		622
386	=back	623	=back
387		624
388	=cut	625	=cut
…		…
395	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")
396	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
397		634
398	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>
399	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
400	crossfire+).	637	Crossfire TRT).
401		638
402	=over 4	639	=over 4
403		640
404	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
405		642
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
569		806
570	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		811
575	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	813	my $pkg = shift @arg;
577		814
578	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
608	}	845	}
609		846
610	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
611	} else {	848	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	850	}
614		851
615	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
616	}	853	}
617		854
…		…
619	if (ref $_[0]) {	856	if (ref $_[0]) {
620	_object_attach @_;	857	_object_attach @_;
621	} else {	858	} else {
622	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
623	}	860	}
		861	_recalc_want;
624	};	862	};
625		863
626	# all those should be optimised	864	# all those should be optimised
627	sub cf::attachable::detach {	865	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
632	reattach ($obj);	870	reattach ($obj);
633	} else {	871	} else {
634	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
635	}	873	}
		874	_recalc_want;
636	};	875	};
637		876
638	sub cf::attachable::attached {	877	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
640		879
…		…
655	";	894	";
656	die if $@;	895	die if $@;
657	}	896	}
658		897
659	our $override;	898	our $override;
660	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?
661		900
662	sub override {	901	sub override {
663	$override = 1;	902	$override = 1;
664	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
665	}	904	}
666		905
667	sub do_invoke {	906	sub do_invoke {
668	my $event = shift;	907	my $event = shift;
669	my $callbacks = shift;	908	my $callbacks = shift;
670		909
671	@invoke_results = ();	910	@INVOKE_RESULTS = ();
672		911
673	local $override;	912	local $override;
674		913
675	for (@$callbacks) {	914	for (@$callbacks) {
676	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
693		932
694	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
695		934
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		938
700	=back	939	=back
701		940
702	=cut	941	=cut
703		942
704	#############################################################################	943	#############################################################################
705	# 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	}
706		956
707	sub reattach {	957	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	959	my ($obj) = @_;
710		960
…		…
754	},	1004	},
755	);	1005	);
756		1006
757	sub object_freezer_save {	1007	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1008	my ($filename, $rdata, $objs) = @_;
		1009
		1010	my $guard = cf::lock_acquire "io";
759		1011
760	sync_job {	1012	sync_job {
761	if (length $$rdata) {	1013	if (length $$rdata) {
762	warn sprintf "saving %s (%d,%d)\n",	1014	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1015	$filename, length $$rdata, scalar @$objs;
…		…
787	}	1039	}
788	} else {	1040	} else {
789	aio_unlink $filename;	1041	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1042	aio_unlink "$filename.pst";
791	}	1043	}
792	}	1044	};
		1045
		1046	undef $guard;
793	}	1047	}
794		1048
795	sub object_freezer_as_string {	1049	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1050	my ($rdata, $objs) = @_;
797		1051
…		…
802		1056
803	sub object_thawer_load {	1057	sub object_thawer_load {
804	my ($filename) = @_;	1058	my ($filename) = @_;
805		1059
806	my ($data, $av);	1060	my ($data, $av);
		1061
		1062	my $guard = cf::lock_acquire "io";
807		1063
808	(aio_load $filename, $data) >= 0	1064	(aio_load $filename, $data) >= 0
809	or return;	1065	or return;
810		1066
811	unless (aio_stat "$filename.pst") {	1067	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1068	(aio_load "$filename.pst", $av) >= 0
813	or return;	1069	or return;
		1070
		1071	undef $guard;
814	$av = eval { (Storable::thaw $av)->{objs} };	1072	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1073	}
816		1074
817	warn sprintf "loading %s (%d)\n",	1075	warn sprintf "loading %s (%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1076	$filename, length $data, scalar @{$av || []};
		1077
819	return ($data, $av);	1078	($data, $av)
820	}	1079	}
		1080
		1081	=head2 COMMAND CALLBACKS
		1082
		1083	=over 4
		1084
		1085	=cut
821		1086
822	#############################################################################	1087	#############################################################################
823	# command handling &c	1088	# command handling &c
824		1089
825	=item cf::register_command $name => \&callback($ob,$args);	1090	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1103	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1104	}
840		1105
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1106	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1107
843	Register a callbackf ro execution when the client sends an extcmd packet.	1108	Register a callback for execution when the client sends an (synchronous)
		1109	extcmd packet. Ext commands will be processed in the order they are
		1110	received by the server, like other user commands. The first argument is
		1111	the logged-in player. Ext commands can only be processed after a player
		1112	has logged in successfully.
844		1113
845	If the callback returns something, it is sent back as if reply was being	1114	If the callback returns something, it is sent back as if reply was being
846	called.	1115	called.
847		1116
		1117	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1118
		1119	Register a callback for execution when the client sends an (asynchronous)
		1120	exticmd packet. Exti commands are processed by the server as soon as they
		1121	are received, i.e. out of order w.r.t. other commands. The first argument
		1122	is a client socket. Exti commands can be received anytime, even before
		1123	log-in.
		1124
		1125	If the callback returns something, it is sent back as if reply was being
		1126	called.
		1127
848	=cut	1128	=cut
849		1129
850	sub register_extcmd {	1130	sub register_extcmd {
851	my ($name, $cb) = @_;	1131	my ($name, $cb) = @_;
852		1132
853	$EXTCMD{$name} = $cb;	1133	$EXTCMD{$name} = $cb;
		1134	}
		1135
		1136	sub register_exticmd {
		1137	my ($name, $cb) = @_;
		1138
		1139	$EXTICMD{$name} = $cb;
854	}	1140	}
855		1141
856	cf::player->attach (	1142	cf::player->attach (
857	on_command => sub {	1143	on_command => sub {
858	my ($pl, $name, $params) = @_;	1144	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1153	cf::override;
868	},	1154	},
869	on_extcmd => sub {	1155	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1156	my ($pl, $buf) = @_;
871		1157
872	my $msg = eval { from_json $buf };	1158	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1159
874	if (ref $msg) {	1160	if (ref $msg) {
		1161	my ($type, $reply, @payload) =
		1162	"ARRAY" eq ref $msg
		1163	? @$msg
		1164	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1165
		1166	my @reply;
		1167
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1168	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1169	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1170	}
		1171
		1172	$pl->ext_reply ($reply, @reply)
		1173	if $reply;
		1174
880	} else {	1175	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1176	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1177	}
883		1178
884	cf::override;	1179	cf::override;
885	},	1180	},
886	);	1181	);
887		1182
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1183	sub load_extensions {
		1184	cf::sync_job {
		1185	my %todo;
		1186
923	for my $ext (<$LIBDIR/*.ext>) {	1187	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1188	next unless -r $path;
925	eval {	1189
926	load_extension $ext;	1190	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1191	my $base = $1;
		1192	my $pkg = $1;
		1193	$pkg =~ s/[^[:word:]]/_/g;
		1194	$pkg = "ext::$pkg";
		1195
		1196	open my $fh, "<:utf8", $path
		1197	or die "$path: $!";
		1198
		1199	my $source = do { local $/; <$fh> };
		1200
		1201	my %ext = (
		1202	path => $path,
		1203	base => $base,
		1204	pkg => $pkg,
		1205	);
		1206
		1207	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1208	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1209
		1210	$ext{source} =
		1211	"package $pkg; use strict; use utf8;\n"
		1212	. "#line 1 \"$path\"\n{\n"
		1213	. $source
		1214	. "\n};\n1";
		1215
		1216	$todo{$base} = \%ext;
		1217	}
		1218
		1219	my %done;
		1220	while (%todo) {
		1221	my $progress;
		1222
		1223	while (my ($k, $v) = each %todo) {
		1224	for (split /,\s*/, $v->{meta}{depends}) {
		1225	goto skip
		1226	unless exists $done{$_};
		1227	}
		1228
		1229	warn "... loading '$k' into '$v->{pkg}'\n";
		1230
		1231	unless (eval $v->{source}) {
		1232	my $msg = $@ ? "$v->{path}: $@\n"
		1233	: "$v->{base}: extension inactive.\n";
		1234
		1235	if (exists $v->{meta}{mandatory}) {
		1236	warn $msg;
		1237	warn "mandatory extension failed to load, exiting.\n";
		1238	exit 1;
		1239	}
		1240
		1241	warn $msg;
		1242	}
		1243
		1244	$done{$k} = delete $todo{$k};
		1245	push @EXTS, $v->{pkg};
		1246	$progress = 1;
927	1	1247	}
928	} or warn "$ext not loaded: $@";	1248
		1249	skip:
		1250	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1251	unless $progress;
		1252	}
929	}	1253	};
930	}	1254	}
931		1255
932	#############################################################################	1256	#############################################################################
933		1257
		1258	=back
		1259
934	=head2 CORE EXTENSIONS	1260	=head2 CORE EXTENSIONS
935		1261
936	Functions and methods that extend core crossfire objects.	1262	Functions and methods that extend core crossfire objects.
937		1263
938	=cut	1264	=cut
…		…
950	Returns the given player object, loading it if necessary (might block).	1276	Returns the given player object, loading it if necessary (might block).
951		1277
952	=cut	1278	=cut
953		1279
954	sub playerdir($) {	1280	sub playerdir($) {
955	cf::localdir	1281	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1282	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1283	}
961		1284
962	sub path($) {	1285	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1286	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1287
965	(playerdir $login) . "/$login.pl"	1288	(playerdir $login) . "/playerdata"
966	}	1289	}
967		1290
968	sub find_active($) {	1291	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1292	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1293	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1306	my $login = $_[0];
984		1307
985	my $guard = cf::lock_acquire "user_find:$login";	1308	my $guard = cf::lock_acquire "user_find:$login";
986		1309
987	$cf::PLAYER{$_[0]} || do {	1310	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1311	# rename old playerfiles to new ones
		1312	#TODO: remove when no longer required
		1313	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1314	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1315	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1316	aio_unlink +(playerdir $login) . "/$login.pl";
		1317
		1318	my $f = new_from_file cf::object::thawer path $login
989	or return;	1319	or return;
		1320
		1321	$f->next;
		1322	my $pl = cf::player::load_pl $f
		1323	or return;
		1324	local $cf::PLAYER_LOADING{$login} = $pl;
		1325	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1326	$cf::PLAYER{$login} = $pl
991	}	1327	}
992	}	1328	}
993	}	1329	}
994		1330
…		…
1004		1340
1005	aio_mkdir playerdir $pl, 0770;	1341	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1342	$pl->{last_save} = $cf::RUNTIME;
1007		1343
1008	$pl->save_pl ($path);	1344	$pl->save_pl ($path);
1009	Coro::cede;	1345	cf::cede_to_tick;
1010	}	1346	}
1011		1347
1012	sub new($) {	1348	sub new($) {
1013	my ($login) = @_;	1349	my ($login) = @_;
1014		1350
…		…
1018	$self->{deny_save} = 1;	1354	$self->{deny_save} = 1;
1019		1355
1020	$cf::PLAYER{$login} = $self;	1356	$cf::PLAYER{$login} = $self;
1021		1357
1022	$self	1358	$self
		1359	}
		1360
		1361	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1362
		1363	=cut
		1364
		1365	sub send_msg {
		1366	my $ns = shift->ns
		1367	or return;
		1368	$ns->send_msg (@_);
1023	}	1369	}
1024		1370
1025	=item $pl->quit_character	1371	=item $pl->quit_character
1026		1372
1027	Nukes the player without looking back. If logged in, the connection will	1373	Nukes the player without looking back. If logged in, the connection will
…		…
1076	while and may block, so not sync_job-capable, ever.	1422	while and may block, so not sync_job-capable, ever.
1077		1423
1078	=cut	1424	=cut
1079		1425
1080	sub list_logins {	1426	sub list_logins {
1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1427	my $dirs = aio_readdir $PLAYERDIR
1082	or return [];	1428	or return [];
1083		1429
1084	my @logins;	1430	my @logins;
1085		1431
1086	for my $login (@$dirs) {	1432	for my $login (@$dirs) {
		1433	my $path = path $login;
		1434
		1435	# a .pst is a dead give-away for a valid player
		1436	unless (-e "$path.pst") {
1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1437	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1088	aio_read $fh, 0, 512, my $buf, 0 or next;	1438	aio_read $fh, 0, 512, my $buf, 0 or next;
1089	$buf !~ /^password -------------$/m or next; # official not-valid tag	1439	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1440	}
1090		1441
1091	utf8::decode $login;	1442	utf8::decode $login;
1092	push @logins, $login;	1443	push @logins, $login;
1093	}	1444	}
1094		1445
…		…
1121	}	1472	}
1122		1473
1123	\@paths	1474	\@paths
1124	}	1475	}
1125		1476
		1477	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1478
		1479	Expand crossfire pod fragments into protocol xml.
		1480
		1481	=cut
		1482
		1483	sub expand_cfpod {
		1484	((my $self), (local $_)) = @_;
		1485
		1486	# escape & and <
		1487	s/&/&amp;/g;
		1488	s/(?<![BIUGHT])</&lt;/g;
		1489
		1490	# this is buggy, it needs to properly take care of nested <'s
		1491
		1492	1 while
		1493	# replace B<>, I<>, U<> etc.
		1494	s/B<([^\>]*)>/<b>$1<\/b>/
		1495	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1496	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1497	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1126	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1127		1529
1128	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1129		1531
1130	=cut	1532	=cut
1131		1533
1132	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1133	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1134		1536
1135	$msg{msgid} = $id;	1537	$self->ns->ext_reply ($id, @msg)
1136
1137	$self->send ("ext " . cf::to_json \%msg);
1138	}	1538	}
1139		1539
1140	package cf;	1540	=item $player->ext_msg ($type, @msg)
		1541
		1542	Sends an ext event to the client.
		1543
		1544	=cut
		1545
		1546	sub ext_msg($$@) {
		1547	my ($self, $type, @msg) = @_;
		1548
		1549	$self->ns->ext_msg ($type, @msg);
		1550	}
		1551
		1552	=head3 cf::region
		1553
		1554	=over 4
		1555
		1556	=cut
		1557
		1558	package cf::region;
		1559
		1560	=item cf::region::find_by_path $path
		1561
		1562	Tries to decuce the likely region for a map knowing only its path.
		1563
		1564	=cut
		1565
		1566	sub find_by_path($) {
		1567	my ($path) = @_;
		1568
		1569	my ($match, $specificity);
		1570
		1571	for my $region (list) {
		1572	if ($region->{match} && $path =~ $region->{match}) {
		1573	($match, $specificity) = ($region, $region->specificity)
		1574	if $region->specificity > $specificity;
		1575	}
		1576	}
		1577
		1578	$match
		1579	}
1141		1580
1142	=back	1581	=back
1143
1144		1582
1145	=head3 cf::map	1583	=head3 cf::map
1146		1584
1147	=over 4	1585	=over 4
1148		1586
…		…
1203	my ($self, $merge) = @_;	1641	my ($self, $merge) = @_;
1204		1642
1205	# we have to keep some variables in memory intact	1643	# we have to keep some variables in memory intact
1206	local $self->{path};	1644	local $self->{path};
1207	local $self->{load_path};	1645	local $self->{load_path};
1208	local $self->{deny_save};
1209	local $self->{deny_reset};
1210		1646
1211	$self->SUPER::thawer_merge ($merge);	1647	$self->SUPER::thawer_merge ($merge);
1212	}	1648	}
1213		1649
1214	sub normalise {	1650	sub normalise {
…		…
1261	$self->init; # pass $1 etc.	1697	$self->init; # pass $1 etc.
1262	return $self;	1698	return $self;
1263	}	1699	}
1264	}	1700	}
1265		1701
1266	Carp::carp "unable to resolve path '$path' (base '$base').";	1702	Carp::cluck "unable to resolve path '$path' (base '$base').";
1267	()	1703	()
1268	}	1704	}
1269		1705
1270	sub init {	1706	sub init {
1271	my ($self) = @_;	1707	my ($self) = @_;
…		…
1286		1722
1287	# the original (read-only) location	1723	# the original (read-only) location
1288	sub load_path {	1724	sub load_path {
1289	my ($self) = @_;	1725	my ($self) = @_;
1290		1726
1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1727	"$MAPDIR/$self->{path}.map"
1292	}	1728	}
1293		1729
1294	# the temporary/swap location	1730	# the temporary/swap location
1295	sub save_path {	1731	sub save_path {
1296	my ($self) = @_;	1732	my ($self) = @_;
1297		1733
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1734	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1735	"$TMPDIR/$path.map"
1300	}	1736	}
1301		1737
1302	# the unique path, undef == no special unique path	1738	# the unique path, undef == no special unique path
1303	sub uniq_path {	1739	sub uniq_path {
1304	my ($self) = @_;	1740	my ($self) = @_;
1305		1741
1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1743	"$UNIQUEDIR/$path"
1308	}	1744	}
1309		1745
1310	# and all this just because we cannot iterate over	1746	# and all this just because we cannot iterate over
1311	# all maps in C++...	1747	# all maps in C++...
1312	sub change_all_map_light {	1748	sub change_all_map_light {
…		…
1314		1750
1315	$_->change_map_light ($change)	1751	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1752	for grep $_->outdoor, values %cf::MAP;
1317	}	1753	}
1318		1754
		1755	sub decay_objects {
		1756	my ($self) = @_;
		1757
		1758	return if $self->{deny_reset};
		1759
		1760	$self->do_decay_objects;
		1761	}
		1762
1319	sub unlink_save {	1763	sub unlink_save {
1320	my ($self) = @_;	1764	my ($self) = @_;
1321		1765
1322	utf8::encode (my $save = $self->save_path);	1766	utf8::encode (my $save = $self->save_path);
1323	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1767	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1326		1770
1327	sub load_header_from($) {	1771	sub load_header_from($) {
1328	my ($self, $path) = @_;	1772	my ($self, $path) = @_;
1329		1773
1330	utf8::encode $path;	1774	utf8::encode $path;
1331	#aio_open $path, O_RDONLY, 0	1775	my $f = new_from_file cf::object::thawer $path
1332	# or return;
1333
1334	$self->_load_header ($path)
1335	or return;	1776	or return;
		1777
		1778	$self->_load_header ($f)
		1779	or return;
		1780
		1781	local $MAP_LOADING{$self->{path}} = $self;
		1782	$f->resolve_delayed_derefs;
1336		1783
1337	$self->{load_path} = $path;	1784	$self->{load_path} = $path;
1338		1785
1339	1	1786	1
1340	}	1787	}
…		…
1379	$self->load_header_orig	1826	$self->load_header_orig
1380	or return;	1827	or return;
1381	$self->prepare_orig;	1828	$self->prepare_orig;
1382	}	1829	}
1383		1830
		1831	$self->{deny_reset} = 1
		1832	if $self->no_reset;
		1833
		1834	$self->default_region (cf::region::find_by_path $self->{path})
		1835	unless $self->default_region;
		1836
1384	1	1837	1
1385	}	1838	}
1386		1839
1387	sub find;	1840	sub find;
1388	sub find {	1841	sub find {
…		…
1400	$map->{last_save} = $cf::RUNTIME;	1853	$map->{last_save} = $cf::RUNTIME;
1401		1854
1402	$map->load_header	1855	$map->load_header
1403	or return;	1856	or return;
1404		1857
1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1858	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1406	# doing this can freeze the server in a sync job, obviously	1859	# doing this can freeze the server in a sync job, obviously
1407	#$cf::WAIT_FOR_TICK->wait;	1860	#$cf::WAIT_FOR_TICK->wait;
1408	$map->reset;	1861	$map->reset;
1409	undef $guard;	1862	undef $guard;
1410	return find $path;	1863	return find $path;
…		…
1421	my ($self) = @_;	1874	my ($self) = @_;
1422		1875
1423	local $self->{deny_reset} = 1; # loading can take a long time	1876	local $self->{deny_reset} = 1; # loading can take a long time
1424		1877
1425	my $path = $self->{path};	1878	my $path = $self->{path};
		1879
		1880	{
		1881	my $guard1 = cf::lock_acquire "map_data:$path";
1426	my $guard = cf::lock_acquire "map_load:$path";	1882	my $guard2 = cf::lock_acquire "map_load:$path";
1427		1883
1428	return if $self->in_memory != cf::MAP_SWAPPED;	1884	return if $self->in_memory != cf::MAP_SWAPPED;
1429		1885
1430	$self->in_memory (cf::MAP_LOADING);	1886	$self->in_memory (cf::MAP_LOADING);
1431		1887
1432	$self->alloc;	1888	$self->alloc;
1433		1889
1434	$self->pre_load;	1890	$self->pre_load;
		1891	cf::cede_to_tick;
1435		1892
1436	$self->_load_objects ($self->{load_path}, 1)	1893	my $f = new_from_file cf::object::thawer $self->{load_path};
		1894	$f->skip_block;
		1895	$self->_load_objects ($f)
1437	or return;	1896	or return;
1438		1897
1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1440	if delete $self->{load_original};	1899	if delete $self->{load_original};
1441		1900
1442	if (my $uniq = $self->uniq_path) {	1901	if (my $uniq = $self->uniq_path) {
1443	utf8::encode $uniq;	1902	utf8::encode $uniq;
1444	if (aio_open $uniq, O_RDONLY, 0) {	1903	unless (aio_stat $uniq) {
		1904	if (my $f = new_from_file cf::object::thawer $uniq) {
1445	$self->clear_unique_items;	1905	$self->clear_unique_items;
1446	$self->_load_objects ($uniq, 0);	1906	$self->_load_objects ($f);
		1907	$f->resolve_delayed_derefs;
		1908	}
1447	}	1909	}
1448	}	1910	}
1449		1911
1450	Coro::cede;	1912	$f->resolve_delayed_derefs;
1451		1913
		1914	cf::cede_to_tick;
1452	# now do the right thing for maps	1915	# now do the right thing for maps
1453	$self->link_multipart_objects;	1916	$self->link_multipart_objects;
1454
1455	unless ($self->{deny_activate}) {
1456	$self->decay_objects;
1457	$self->fix_auto_apply;
1458	$self->update_buttons;
1459	Coro::cede;
1460	$self->set_darkness_map;
1461	$self->difficulty ($self->estimate_difficulty)	1917	$self->difficulty ($self->estimate_difficulty)
1462	unless $self->difficulty;	1918	unless $self->difficulty;
1463	Coro::cede;	1919	cf::cede_to_tick;
		1920
		1921	unless ($self->{deny_activate}) {
		1922	$self->decay_objects;
		1923	$self->fix_auto_apply;
		1924	$self->update_buttons;
		1925	cf::cede_to_tick;
		1926	$self->set_darkness_map;
		1927	cf::cede_to_tick;
1464	$self->activate;	1928	$self->activate;
		1929	}
		1930
		1931	$self->{last_save} = $cf::RUNTIME;
		1932	$self->last_access ($cf::RUNTIME);
		1933
		1934	$self->in_memory (cf::MAP_IN_MEMORY);
1465	}	1935	}
1466		1936
1467	$self->post_load;	1937	$self->post_load;
1468
1469	$self->in_memory (cf::MAP_IN_MEMORY);
1470	}	1938	}
1471		1939
1472	sub customise_for {	1940	sub customise_for {
1473	my ($self, $ob) = @_;	1941	my ($self, $ob) = @_;
1474		1942
1475	return find "~" . $ob->name . "/" . $self->{path}	1943	return find "~" . $ob->name . "/" . $self->{path}
1476	if $self->per_player;	1944	if $self->per_player;
1477		1945
		1946	# return find "?party/" . $ob->name . "/" . $self->{path}
		1947	# if $self->per_party;
		1948
1478	$self	1949	$self
1479	}	1950	}
1480		1951
1481	# find and load all maps in the 3x3 area around a map	1952	# find and load all maps in the 3x3 area around a map
1482	sub load_diag {	1953	sub load_neighbours {
1483	my ($map) = @_;	1954	my ($map) = @_;
1484		1955
1485	my @diag; # diagonal neighbours	1956	my @neigh; # diagonal neighbours
1486		1957
1487	for (0 .. 3) {	1958	for (0 .. 3) {
1488	my $neigh = $map->tile_path ($_)	1959	my $neigh = $map->tile_path ($_)
1489	or next;	1960	or next;
1490	$neigh = find $neigh, $map	1961	$neigh = find $neigh, $map
1491	or next;	1962	or next;
1492	$neigh->load;	1963	$neigh->load;
1493		1964
		1965	push @neigh,
1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1966	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1967	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1496	}	1968	}
1497		1969
1498	for (@diag) {	1970	for (grep defined $_->[0], @neigh) {
		1971	my ($path, $origin) = @$_;
1499	my $neigh = find @$_	1972	my $neigh = find $path, $origin
1500	or next;	1973	or next;
1501	$neigh->load;	1974	$neigh->load;
1502	}	1975	}
1503	}	1976	}
1504		1977
…		…
1509	}	1982	}
1510		1983
1511	sub do_load_sync {	1984	sub do_load_sync {
1512	my ($map) = @_;	1985	my ($map) = @_;
1513		1986
		1987	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1988	if $Coro::current == $Coro::main;
		1989
1514	cf::sync_job { $map->load };	1990	cf::sync_job { $map->load };
1515	}	1991	}
1516		1992
1517	our %MAP_PREFETCH;	1993	our %MAP_PREFETCH;
1518	our $MAP_PREFETCHER = undef;	1994	our $MAP_PREFETCHER = undef;
1519		1995
1520	sub find_async {	1996	sub find_async {
1521	my ($path, $origin) = @_;	1997	my ($path, $origin, $load) = @_;
1522		1998
1523	$path = normalise $path, $origin && $origin->{path};	1999	$path = normalise $path, $origin && $origin->{path};
1524		2000
1525	if (my $map = $cf::MAP{$path}) {	2001	if (my $map = $cf::MAP{$path}) {
1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2002	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1527	}	2003	}
1528		2004
1529	undef $MAP_PREFETCH{$path};	2005	$MAP_PREFETCH{$path} |= $load;
		2006
1530	$MAP_PREFETCHER ||= cf::async {	2007	$MAP_PREFETCHER ||= cf::async {
1531	while (%MAP_PREFETCH) {	2008	while (%MAP_PREFETCH) {
1532	for my $path (keys %MAP_PREFETCH) {	2009	while (my ($k, $v) = each %MAP_PREFETCH) {
1533	my $map = find $path	2010	if (my $map = find $k) {
1534	or next;
1535	$map->load;	2011	$map->load if $v;
		2012	}
1536		2013
1537	delete $MAP_PREFETCH{$path};	2014	delete $MAP_PREFETCH{$k};
1538	}	2015	}
1539	}	2016	}
1540	undef $MAP_PREFETCHER;	2017	undef $MAP_PREFETCHER;
1541	};	2018	};
1542	$MAP_PREFETCHER->prio (6);	2019	$MAP_PREFETCHER->prio (6);
…		…
1545	}	2022	}
1546		2023
1547	sub save {	2024	sub save {
1548	my ($self) = @_;	2025	my ($self) = @_;
1549		2026
1550	my $lock = cf::lock_acquire "map_data:" . $self->path;	2027	my $lock = cf::lock_acquire "map_data:$self->{path}";
1551		2028
1552	$self->{last_save} = $cf::RUNTIME;	2029	$self->{last_save} = $cf::RUNTIME;
1553		2030
1554	return unless $self->dirty;	2031	return unless $self->dirty;
1555		2032
…		…
1578	my ($self) = @_;	2055	my ($self) = @_;
1579		2056
1580	# save first because save cedes	2057	# save first because save cedes
1581	$self->save;	2058	$self->save;
1582		2059
1583	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1584		2061
1585	return if $self->players;	2062	return if $self->players;
1586	return if $self->in_memory != cf::MAP_IN_MEMORY;	2063	return if $self->in_memory != cf::MAP_IN_MEMORY;
1587	return if $self->{deny_save};	2064	return if $self->{deny_save};
1588		2065
…		…
1592		2069
1593	sub reset_at {	2070	sub reset_at {
1594	my ($self) = @_;	2071	my ($self) = @_;
1595		2072
1596	# TODO: safety, remove and allow resettable per-player maps	2073	# TODO: safety, remove and allow resettable per-player maps
1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1598	return 1e99 if $self->{deny_reset};	2074	return 1e99 if $self->{deny_reset};
1599		2075
1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2076	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2077	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1602		2078
…		…
1613	my ($self) = @_;	2089	my ($self) = @_;
1614		2090
1615	my $lock = cf::lock_acquire "map_data:$self->{path}";	2091	my $lock = cf::lock_acquire "map_data:$self->{path}";
1616		2092
1617	return if $self->players;	2093	return if $self->players;
1618	return if $self->isa ("ext::map_per_player");#d#
1619		2094
1620	warn "resetting map ", $self->path;#d#	2095	warn "resetting map ", $self->path;
1621		2096
1622	$self->in_memory (cf::MAP_SWAPPED);	2097	$self->in_memory (cf::MAP_SWAPPED);
1623		2098
1624	# need to save uniques path	2099	# need to save uniques path
1625	unless ($self->{deny_save}) {	2100	unless ($self->{deny_save}) {
…		…
1642	my $nuke_counter = "aaaa";	2117	my $nuke_counter = "aaaa";
1643		2118
1644	sub nuke {	2119	sub nuke {
1645	my ($self) = @_;	2120	my ($self) = @_;
1646		2121
		2122	{
		2123	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2124
1647	delete $cf::MAP{$self->path};	2125	delete $cf::MAP{$self->path};
1648		2126
1649	$self->unlink_save;	2127	$self->unlink_save;
1650		2128
1651	bless $self, "cf::map";	2129	bless $self, "cf::map";
1652	delete $self->{deny_reset};	2130	delete $self->{deny_reset};
1653	$self->{deny_save} = 1;	2131	$self->{deny_save} = 1;
1654	$self->reset_timeout (1);	2132	$self->reset_timeout (1);
1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2133	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1656		2134
1657	$cf::MAP{$self->path} = $self;	2135	$cf::MAP{$self->path} = $self;
		2136	}
1658		2137
1659	$self->reset; # polite request, might not happen	2138	$self->reset; # polite request, might not happen
		2139	}
		2140
		2141	=item $maps = cf::map::tmp_maps
		2142
		2143	Returns an arrayref with all map paths of currently instantiated and saved
		2144	maps. May block.
		2145
		2146	=cut
		2147
		2148	sub tmp_maps() {
		2149	[
		2150	map {
		2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise $_
		2154	: ()
		2155	} @{ aio_readdir $TMPDIR or [] }
		2156	]
		2157	}
		2158
		2159	=item $maps = cf::map::random_maps
		2160
		2161	Returns an arrayref with all map paths of currently instantiated and saved
		2162	random maps. May block.
		2163
		2164	=cut
		2165
		2166	sub random_maps() {
		2167	[
		2168	map {
		2169	utf8::decode $_;
		2170	/\.map$/
		2171	? normalise "?random/$_"
		2172	: ()
		2173	} @{ aio_readdir $RANDOMDIR or [] }
		2174	]
1660	}	2175	}
1661		2176
1662	=item cf::map::unique_maps	2177	=item cf::map::unique_maps
1663		2178
1664	Returns an arrayref of paths of all shared maps that have	2179	Returns an arrayref of paths of all shared maps that have
1665	instantiated unique items. May block.	2180	instantiated unique items. May block.
1666		2181
1667	=cut	2182	=cut
1668		2183
1669	sub unique_maps() {	2184	sub unique_maps() {
1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2185	[
1671	or return;	2186	map {
1672
1673	my @paths;
1674
1675	for (@$files) {
1676	utf8::decode $_;	2187	utf8::decode $_;
1677	next if /\.pst$/;	2188	/\.map$/
1678	next unless /^$PATH_SEP/o;	2189	? normalise $_
1679		2190	: ()
1680	push @paths, cf::map::normalise $_;	2191	} @{ aio_readdir $UNIQUEDIR or [] }
1681	}	2192	]
1682
1683	\@paths
1684	}	2193	}
1685		2194
1686	package cf;	2195	package cf;
1687		2196
1688	=back	2197	=back
…		…
1706	map { $_, inv_recursive_ $_->inv } @_	2215	map { $_, inv_recursive_ $_->inv } @_
1707	}	2216	}
1708		2217
1709	sub inv_recursive {	2218	sub inv_recursive {
1710	inv_recursive_ inv $_[0]	2219	inv_recursive_ inv $_[0]
		2220	}
		2221
		2222	=item $ref = $ob->ref
		2223
		2224	creates and returns a persistent reference to an objetc that can be stored as a string.
		2225
		2226	=item $ob = cf::object::deref ($refstring)
		2227
		2228	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2229	even if the object actually exists. May block.
		2230
		2231	=cut
		2232
		2233	sub deref {
		2234	my ($ref) = @_;
		2235
		2236	# temporary compatibility#TODO#remove
		2237	$ref =~ s{^<}{player/<};
		2238
		2239	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2240	my ($uuid, $name) = ($1, $2);
		2241	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2242	or return;
		2243	$pl->ob->uuid eq $uuid
		2244	or return;
		2245
		2246	$pl->ob
		2247	} else {
		2248	warn "$ref: cannot resolve object reference\n";
		2249	undef
		2250	}
1711	}	2251	}
1712		2252
1713	package cf;	2253	package cf;
1714		2254
1715	=back	2255	=back
…		…
1734		2274
1735	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2275	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1736		2276
1737	if ($self->{record_replies}) {	2277	if ($self->{record_replies}) {
1738	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2278	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2279
1739	} else {	2280	} else {
		2281	my $pl = $self->contr;
		2282
		2283	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2284	my $dialog = $pl->{npc_dialog};
		2285	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2286
		2287	} else {
1740	$msg = $npc->name . " says: $msg" if $npc;	2288	$msg = $npc->name . " says: $msg" if $npc;
1741	$self->message ($msg, $flags);	2289	$self->message ($msg, $flags);
		2290	}
1742	}	2291	}
		2292	}
		2293
		2294	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2295
		2296	=cut
		2297
		2298	sub cf::object::send_msg {
		2299	my $pl = shift->contr
		2300	or return;
		2301	$pl->send_msg (@_);
1743	}	2302	}
1744		2303
1745	=item $player_object->may ("access")	2304	=item $player_object->may ("access")
1746		2305
1747	Returns wether the given player is authorized to access resource "access"	2306	Returns wether the given player is authorized to access resource "access"
…		…
1794	$self->deactivate_recursive;	2353	$self->deactivate_recursive;
1795		2354
1796	return if UNIVERSAL::isa $self->map, "ext::map_link";	2355	return if UNIVERSAL::isa $self->map, "ext::map_link";
1797		2356
1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2357	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1799	if $self->map;	2358	if $self->map && $self->map->{path} ne "{link}";
1800		2359
1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2360	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1802	}	2361	}
1803		2362
1804	sub cf::object::player::leave_link {	2363	sub cf::object::player::leave_link {
1805	my ($self, $map, $x, $y) = @_;	2364	my ($self, $map, $x, $y) = @_;
		2365
		2366	return unless $self->contr->active;
1806		2367
1807	my $link_pos = delete $self->{_link_pos};	2368	my $link_pos = delete $self->{_link_pos};
1808		2369
1809	unless ($map) {	2370	unless ($map) {
1810	# restore original map position	2371	# restore original map position
…		…
1824	# use -1 or undef as default coordinates, not 0, 0	2385	# use -1 or undef as default coordinates, not 0, 0
1825	($x, $y) = ($map->enter_x, $map->enter_y)	2386	($x, $y) = ($map->enter_x, $map->enter_y)
1826	if $x <=0 && $y <= 0;	2387	if $x <=0 && $y <= 0;
1827		2388
1828	$map->load;	2389	$map->load;
1829	$map->load_diag;	2390	$map->load_neighbours;
1830		2391
1831	return unless $self->contr->active;	2392	return unless $self->contr->active;
1832	$self->activate_recursive;	2393	$self->activate_recursive;
1833		2394
1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2395	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1835	$self->enter_map ($map, $x, $y);	2396	$self->enter_map ($map, $x, $y);
1836	}	2397	}
1837		2398
1838	cf::player->attach (	2399	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1839	on_logout => sub {
1840	my ($pl) = @_;
1841		2400
1842	# abort map switching before logout	2401	Moves the player to the given map-path and coordinates by first freezing
1843	if ($pl->ob->{_link_pos}) {	2402	her, loading and preparing them map, calling the provided $check callback
1844	cf::sync_job {	2403	that has to return the map if sucecssful, and then unfreezes the player on
1845	$pl->ob->leave_link	2404	the new (success) or old (failed) map position. In either case, $done will
1846	};	2405	be called at the end of this process.
1847	}
1848	},
1849	on_login => sub {
1850	my ($pl) = @_;
1851		2406
1852	# try to abort aborted map switching on player login :)
1853	# should happen only on crashes
1854	if ($pl->ob->{_link_pos}) {
1855	$pl->ob->enter_link;
1856	(async {
1857	$pl->ob->reply (undef,
1858	"There was an internal problem at your last logout, "
1859	. "the server will try to bring you to your intended destination in a second.",
1860	cf::NDI_RED);
1861	# we need this sleep as the login has a concurrent enter_exit running
1862	# and this sleep increases chances of the player not ending up in scorn
1863	Coro::Timer::sleep 1;
1864	$pl->ob->leave_link;
1865	})->prio (2);
1866	}
1867	},
1868	);
1869
1870	=item $player_object->goto ($path, $x, $y)
1871
1872	=cut	2407	=cut
		2408
		2409	our $GOTOGEN;
1873		2410
1874	sub cf::object::player::goto {	2411	sub cf::object::player::goto {
1875	my ($self, $path, $x, $y) = @_;	2412	my ($self, $path, $x, $y, $check, $done) = @_;
		2413
		2414	# do generation counting so two concurrent goto's will be executed in-order
		2415	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1876		2416
1877	$self->enter_link;	2417	$self->enter_link;
1878		2418
1879	(async {	2419	(async {
1880	my $map = eval {	2420	my $map = eval {
1881	my $map = cf::map::find $path;	2421	my $map = cf::map::find $path;
		2422
		2423	if ($map) {
1882	$map = $map->customise_for ($self) if $map;	2424	$map = $map->customise_for ($self);
		2425	$map = $check->($map) if $check && $map;
		2426	} else {
		2427	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2428	}
		2429
1883	$map	2430	$map
		2431	};
		2432
		2433	if ($@) {
		2434	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2435	LOG llevError | logBacktrace, Carp::longmess $@;
1884	} or	2436	}
1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1886		2437
		2438	if ($gen == $self->{_goto_generation}) {
		2439	delete $self->{_goto_generation};
1887	$self->leave_link ($map, $x, $y);	2440	$self->leave_link ($map, $x, $y);
		2441	}
		2442
		2443	$done->() if $done;
1888	})->prio (1);	2444	})->prio (1);
1889	}	2445	}
1890		2446
1891	=item $player_object->enter_exit ($exit_object)	2447	=item $player_object->enter_exit ($exit_object)
1892		2448
…		…
1931		2487
1932	$rmp->{random_seed} ||= $exit->random_seed;	2488	$rmp->{random_seed} ||= $exit->random_seed;
1933		2489
1934	my $data = cf::to_json $rmp;	2490	my $data = cf::to_json $rmp;
1935	my $md5 = Digest::MD5::md5_hex $data;	2491	my $md5 = Digest::MD5::md5_hex $data;
1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2492	my $meta = "$RANDOMDIR/$md5.meta";
1937		2493
1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2494	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1939	aio_write $fh, 0, (length $data), $data, 0;	2495	aio_write $fh, 0, (length $data), $data, 0;
1940	undef $fh;	2496	undef $fh;
1941	aio_rename "$meta~", $meta;	2497	aio_rename "$meta~", $meta;
…		…
1950		2506
1951	return unless $self->type == cf::PLAYER;	2507	return unless $self->type == cf::PLAYER;
1952		2508
1953	if ($exit->slaying eq "/!") {	2509	if ($exit->slaying eq "/!") {
1954	#TODO: this should de-fi-ni-te-ly not be a sync-job	2510	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2511	# the problem is that $exit might not survive long enough
		2512	# so it needs to be done right now, right here
1955	cf::sync_job { prepare_random_map $exit };	2513	cf::sync_job { prepare_random_map $exit };
1956	}	2514	}
1957		2515
1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2516	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1959	my $hp = $exit->stats->hp;	2517	my $hp = $exit->stats->hp;
1960	my $sp = $exit->stats->sp;	2518	my $sp = $exit->stats->sp;
1961		2519
1962	$self->enter_link;	2520	$self->enter_link;
		2521
		2522	# if exit is damned, update players death & WoR home-position
		2523	$self->contr->savebed ($slaying, $hp, $sp)
		2524	if $exit->flag (FLAG_DAMNED);
1963		2525
1964	(async {	2526	(async {
1965	$self->deactivate_recursive; # just to be sure	2527	$self->deactivate_recursive; # just to be sure
1966	unless (eval {	2528	unless (eval {
1967	$self->goto ($slaying, $hp, $sp);	2529	$self->goto ($slaying, $hp, $sp);
1968		2530
1969	1;	2531	1;
1970	}) {	2532	}) {
1971	$self->message ("Something went wrong deep within the crossfire server. "	2533	$self->message ("Something went wrong deep within the crossfire server. "
1972	. "I'll try to bring you back to the map you were before. "	2534	. "I'll try to bring you back to the map you were before. "
1973	. "Please report this to the dungeon master!",	2535	. "Please report this to the dungeon master!",
1974	cf::NDI_UNIQUE | cf::NDI_RED);	2536	cf::NDI_UNIQUE | cf::NDI_RED);
1975		2537
1976	warn "ERROR in enter_exit: $@";	2538	warn "ERROR in enter_exit: $@";
1977	$self->leave_link;	2539	$self->leave_link;
1978	}	2540	}
1979	})->prio (1);	2541	})->prio (1);
…		…
1992		2554
1993	sub cf::client::send_drawinfo {	2555	sub cf::client::send_drawinfo {
1994	my ($self, $text, $flags) = @_;	2556	my ($self, $text, $flags) = @_;
1995		2557
1996	utf8::encode $text;	2558	utf8::encode $text;
1997	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2559	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1998	}	2560	}
1999		2561
		2562	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2563
		2564	Send a drawinfo or msg packet to the client, formatting the msg for the
		2565	client if neccessary. C<$type> should be a string identifying the type of
		2566	the message, with C<log> being the default. If C<$color> is negative, suppress
		2567	the message unless the client supports the msg packet.
		2568
		2569	=cut
		2570
		2571	our %CHANNEL = (
		2572	"c/identify" => {
		2573	id => "identify",
		2574	title => "Identify",
		2575	reply => undef,
		2576	tooltip => "Items recently identified",
		2577	},
		2578	"c/examine" => {
		2579	id => "examine",
		2580	title => "Examine",
		2581	reply => undef,
		2582	tooltip => "Signs and other items you examined",
		2583	},
		2584	);
		2585
		2586	sub cf::client::send_msg {
		2587	my ($self, $channel, $msg, $color, @extra) = @_;
		2588
		2589	$msg = $self->pl->expand_cfpod ($msg);
		2590
		2591	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2592
		2593	# check predefined channels, for the benefit of C
		2594	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2595
		2596	if (ref $channel) {
		2597	# send meta info to client, if not yet sent
		2598	unless (exists $self->{channel}{$channel->{id}}) {
		2599	$self->{channel}{$channel->{id}} = $channel;
		2600	$self->ext_msg (channel_info => $channel)
		2601	if $self->can_msg;
		2602	}
		2603
		2604	$channel = $channel->{id};
		2605	}
		2606
		2607	return unless @extra || length $msg;
		2608
		2609	if ($self->can_msg) {
		2610	# default colour, mask it out
		2611	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2612	if $color & cf::NDI_DEF;
		2613
		2614	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2615	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2616	} else {
		2617	if ($color >= 0) {
		2618	# replace some tags by gcfclient-compatible ones
		2619	for ($msg) {
		2620	1 while
		2621	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2622	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2623	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2624	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2625	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2626	}
		2627
		2628	$color &= cf::NDI_COLOR_MASK;
		2629
		2630	utf8::encode $msg;
		2631
		2632	if (0 && $msg =~ /\[/) {
		2633	# COMMAND/INFO
		2634	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2635	} else {
		2636	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2637	$self->send_packet ("drawinfo $color $msg")
		2638	}
		2639	}
		2640	}
		2641	}
		2642
		2643	=item $client->ext_msg ($type, @msg)
		2644
		2645	Sends an ext event to the client.
		2646
		2647	=cut
		2648
		2649	sub cf::client::ext_msg($$@) {
		2650	my ($self, $type, @msg) = @_;
		2651
		2652	if ($self->extcmd == 2) {
		2653	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2654	} elsif ($self->extcmd == 1) { # TODO: remove
		2655	push @msg, msgtype => "event_$type";
		2656	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2657	}
		2658	}
		2659
		2660	=item $client->ext_reply ($msgid, @msg)
		2661
		2662	Sends an ext reply to the client.
		2663
		2664	=cut
		2665
		2666	sub cf::client::ext_reply($$@) {
		2667	my ($self, $id, @msg) = @_;
		2668
		2669	if ($self->extcmd == 2) {
		2670	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2671	} elsif ($self->extcmd == 1) {
		2672	#TODO: version 1, remove
		2673	unshift @msg, msgtype => "reply", msgid => $id;
		2674	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2675	}
		2676	}
2000		2677
2001	=item $success = $client->query ($flags, "text", \&cb)	2678	=item $success = $client->query ($flags, "text", \&cb)
2002		2679
2003	Queues a query to the client, calling the given callback with	2680	Queues a query to the client, calling the given callback with
2004	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2681	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2005	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2682	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2006		2683
2007	Queries can fail, so check the return code. Or don't, as queries will become	2684	Queries can fail, so check the return code. Or don't, as queries will
2008	reliable at some point in the future.	2685	become reliable at some point in the future.
2009		2686
2010	=cut	2687	=cut
2011		2688
2012	sub cf::client::query {	2689	sub cf::client::query {
2013	my ($self, $flags, $text, $cb) = @_;	2690	my ($self, $flags, $text, $cb) = @_;
…		…
2021	utf8::encode $text;	2698	utf8::encode $text;
2022	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2699	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2023		2700
2024	$self->send_packet ($self->{query_queue}[0][0])	2701	$self->send_packet ($self->{query_queue}[0][0])
2025	if @{ $self->{query_queue} } == 1;	2702	if @{ $self->{query_queue} } == 1;
		2703
		2704	1
2026	}	2705	}
2027		2706
2028	cf::client->attach (	2707	cf::client->attach (
		2708	on_connect => sub {
		2709	my ($ns) = @_;
		2710
		2711	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2712	},
2029	on_reply => sub {	2713	on_reply => sub {
2030	my ($ns, $msg) = @_;	2714	my ($ns, $msg) = @_;
2031		2715
2032	# this weird shuffling is so that direct followup queries	2716	# this weird shuffling is so that direct followup queries
2033	# get handled first	2717	# get handled first
…		…
2045	} else {	2729	} else {
2046	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2730	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2047	}	2731	}
2048	}	2732	}
2049	},	2733	},
		2734	on_exticmd => sub {
		2735	my ($ns, $buf) = @_;
		2736
		2737	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2738
		2739	if (ref $msg) {
		2740	my ($type, $reply, @payload) =
		2741	"ARRAY" eq ref $msg
		2742	? @$msg
		2743	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2744
		2745	my @reply;
		2746
		2747	if (my $cb = $EXTICMD{$type}) {
		2748	@reply = $cb->($ns, @payload);
		2749	}
		2750
		2751	$ns->ext_reply ($reply, @reply)
		2752	if $reply;
		2753
		2754	} else {
		2755	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2756	}
		2757
		2758	cf::override;
		2759	},
2050	);	2760	);
2051		2761
2052	=item $client->async (\&cb)	2762	=item $client->async (\&cb)
2053		2763
2054	Create a new coroutine, running the specified callback. The coroutine will	2764	Create a new coroutine, running the specified callback. The coroutine will
…		…
2095	our $safe = new Safe "safe";	2805	our $safe = new Safe "safe";
2096	our $safe_hole = new Safe::Hole;	2806	our $safe_hole = new Safe::Hole;
2097		2807
2098	$SIG{FPE} = 'IGNORE';	2808	$SIG{FPE} = 'IGNORE';
2099		2809
2100	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2810	$safe->permit_only (Opcode::opset qw(
		2811	:base_core :base_mem :base_orig :base_math
		2812	grepstart grepwhile mapstart mapwhile
		2813	sort time
		2814	));
2101		2815
2102	# here we export the classes and methods available to script code	2816	# here we export the classes and methods available to script code
2103		2817
2104	=pod	2818	=pod
2105		2819
2106	The following fucntions and emthods are available within a safe environment:	2820	The following functions and methods are available within a safe environment:
2107		2821
2108	cf::object contr pay_amount pay_player map	2822	cf::object
		2823	contr pay_amount pay_player map x y force_find force_add
		2824	insert remove name archname title slaying race decrease_ob_nr
		2825
2109	cf::object::player player	2826	cf::object::player
2110	cf::player peaceful	2827	player
2111	cf::map trigger	2828
		2829	cf::player
		2830	peaceful
		2831
		2832	cf::map
		2833	trigger
2112		2834
2113	=cut	2835	=cut
2114		2836
2115	for (	2837	for (
2116	["cf::object" => qw(contr pay_amount pay_player map)],	2838	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2839	insert remove inv name archname title slaying race
		2840	decrease_ob_nr)],
2117	["cf::object::player" => qw(player)],	2841	["cf::object::player" => qw(player)],
2118	["cf::player" => qw(peaceful)],	2842	["cf::player" => qw(peaceful)],
2119	["cf::map" => qw(trigger)],	2843	["cf::map" => qw(trigger)],
2120	) {	2844	) {
2121	no strict 'refs';	2845	no strict 'refs';
…		…
2192	=back	2916	=back
2193		2917
2194	=cut	2918	=cut
2195		2919
2196	#############################################################################	2920	#############################################################################
2197
2198	=head2 EXTENSION DATABASE SUPPORT
2199
2200	Crossfire maintains a very simple database for extension use. It can
2201	currently store anything that can be serialised using Storable, which
2202	excludes objects.
2203
2204	The parameter C<$family> should best start with the name of the extension
2205	using it, it should be unique.
2206
2207	=over 4
2208
2209	=item $value = cf::db_get $family => $key
2210
2211	Returns a single value from the database.
2212
2213	=item cf::db_put $family => $key => $value
2214
2215	Stores the given C<$value> in the family.
2216
2217	=cut
2218
2219	our $DB;
2220
2221	sub db_init {
2222	unless ($DB) {
2223	$DB = BDB::db_create $DB_ENV;
2224
2225	cf::sync_job {
2226	eval {
2227	$DB->set_flags (BDB::CHKSUM);
2228
2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2231	cf::cleanup "db_open(db): $!" if $!;
2232	};
2233	cf::cleanup "db_open(db): $@" if $@;
2234	};
2235
2236	my $path = cf::localdir . "/database.pst";
2237	if (stat $path) {
2238	cf::sync_job {
2239	my $pst = Storable::retrieve $path;
2240
2241	cf::db_put (board => data => $pst->{board});
2242	cf::db_put (guildrules => data => $pst->{guildrules});
2243	cf::db_put (rent => balance => $pst->{rent}{balance});
2244	BDB::db_env_txn_checkpoint $DB_ENV;
2245
2246	unlink $path;
2247	};
2248	}
2249	}
2250	}
2251
2252	sub db_get($$) {
2253	my $key = "$_[0]/$_[1]";
2254
2255	cf::sync_job {
2256	BDB::db_get $DB, undef, $key, my $data;
2257
2258	$! ? ()
2259	: Compress::LZF::sthaw $data
2260	}
2261	}
2262
2263	sub db_put($$$) {
2264	BDB::dbreq_pri 4;
2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2266	}
2267
2268	#############################################################################
2269	# the server's init and main functions	2921	# the server's init and main functions
2270		2922
2271	sub init_resources {	2923	sub load_facedata($) {
2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2924	my ($path) = @_;
		2925
		2926	# HACK to clear player env face cache, we need some signal framework
		2927	# for this (global event?)
		2928	%ext::player_env::MUSIC_FACE_CACHE = ();
		2929
		2930	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2931
		2932	warn "loading facedata from $path\n";
		2933
		2934	my $facedata;
		2935	0 < aio_load $path, $facedata
		2936	or die "$path: $!";
		2937
		2938	$facedata = Coro::Storable::thaw $facedata;
		2939
		2940	$facedata->{version} == 2
		2941	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2942
		2943	# patch in the exptable
		2944	$facedata->{resource}{"res/exp_table"} = {
		2945	type => FT_RSRC,
		2946	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2947	};
		2948	cf::cede_to_tick;
		2949
		2950	{
		2951	my $faces = $facedata->{faceinfo};
		2952
		2953	while (my ($face, $info) = each %$faces) {
		2954	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2955	cf::face::set_visibility $idx, $info->{visibility};
		2956	cf::face::set_magicmap $idx, $info->{magicmap};
		2957	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2958	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2959
		2960	cf::cede_to_tick;
		2961	}
		2962
		2963	while (my ($face, $info) = each %$faces) {
		2964	next unless $info->{smooth};
		2965	my $idx = cf::face::find $face
		2966	or next;
		2967	if (my $smooth = cf::face::find $info->{smooth}) {
		2968	cf::face::set_smooth $idx, $smooth;
		2969	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2970	} else {
		2971	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2972	}
		2973
		2974	cf::cede_to_tick;
		2975	}
		2976	}
		2977
		2978	{
		2979	my $anims = $facedata->{animinfo};
		2980
		2981	while (my ($anim, $info) = each %$anims) {
		2982	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2983	cf::cede_to_tick;
		2984	}
		2985
		2986	cf::anim::invalidate_all; # d'oh
		2987	}
		2988
		2989	{
		2990	# TODO: for gcfclient pleasure, we should give resources
		2991	# that gcfclient doesn't grok a >10000 face index.
		2992	my $res = $facedata->{resource};
		2993
		2994	my $soundconf = delete $res->{"res/sound.conf"};
		2995
		2996	while (my ($name, $info) = each %$res) {
		2997	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2998	my $data;
		2999
		3000	if ($info->{type} & 1) {
		3001	# prepend meta info
		3002
		3003	my $meta = $enc->encode ({
		3004	name => $name,
		3005	%{ $info->{meta} || {} },
		3006	});
		3007
		3008	$data = pack "(w/a*)*", $meta, $info->{data};
		3009	} else {
		3010	$data = $info->{data};
		3011	}
		3012
		3013	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3014	cf::face::set_type $idx, $info->{type};
		3015
		3016	cf::cede_to_tick;
		3017	}
		3018
		3019	if ($soundconf) {
		3020	$soundconf = $enc->decode (delete $soundconf->{data});
		3021
		3022	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3023	my $sound = $soundconf->{compat}[$_]
		3024	or next;
		3025
		3026	my $face = cf::face::find "sound/$sound->[1]";
		3027	cf::sound::set $sound->[0] => $face;
		3028	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3029	}
		3030
		3031	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3032	my $face = cf::face::find "sound/$v";
		3033	cf::sound::set $k => $face;
		3034	}
		3035	}
		3036	}
		3037
		3038	1
		3039	}
		3040
		3041	register_exticmd fx_want => sub {
		3042	my ($ns, $want) = @_;
		3043
		3044	while (my ($k, $v) = each %$want) {
		3045	$ns->fx_want ($k, $v);
		3046	}
		3047	};
		3048
		3049	sub reload_regions {
		3050	# HACK to clear player env face cache, we need some signal framework
		3051	# for this (global event?)
		3052	%ext::player_env::MUSIC_FACE_CACHE = ();
		3053
		3054	load_resource_file "$MAPDIR/regions"
2273	or die "unable to load regions file\n";#d#	3055	or die "unable to load regions file\n";
2274	}
2275		3056
2276	sub cfg_load {	3057	for (cf::region::list) {
		3058	$_->{match} = qr/$_->{match}/
		3059	if exists $_->{match};
		3060	}
		3061	}
		3062
		3063	sub reload_facedata {
		3064	load_facedata "$DATADIR/facedata"
		3065	or die "unable to load facedata\n";
		3066	}
		3067
		3068	sub reload_archetypes {
		3069	load_resource_file "$DATADIR/archetypes"
		3070	or die "unable to load archetypes\n";
		3071	#d# NEED to laod twice to resolve forward references
		3072	# this really needs to be done in an extra post-pass
		3073	# (which needs to be synchronous, so solve it differently)
		3074	load_resource_file "$DATADIR/archetypes"
		3075	or die "unable to load archetypes\n";
		3076	}
		3077
		3078	sub reload_treasures {
		3079	load_resource_file "$DATADIR/treasures"
		3080	or die "unable to load treasurelists\n";
		3081	}
		3082
		3083	sub reload_resources {
		3084	warn "reloading resource files...\n";
		3085
		3086	reload_regions;
		3087	reload_facedata;
		3088	#reload_archetypes;#d#
		3089	reload_archetypes;
		3090	reload_treasures;
		3091
		3092	warn "finished reloading resource files\n";
		3093	}
		3094
		3095	sub init {
		3096	reload_resources;
		3097	}
		3098
		3099	sub reload_config {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3100	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	3101	or return;
2279		3102
2280	local $/;	3103	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	3104	*CFG = YAML::Syck::Load <$fh>;
2282		3105
…		…
2290	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3113	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2291	and die "WARNING: m(un)lockall failed: $!\n";	3114	and die "WARNING: m(un)lockall failed: $!\n";
2292	};	3115	};
2293	warn $@ if $@;	3116	warn $@ if $@;
2294	}	3117	}
2295	}
2296
2297	sub init {
2298	init_resources;
2299	}	3118	}
2300		3119
2301	sub main {	3120	sub main {
2302	# we must not ever block the main coroutine	3121	# we must not ever block the main coroutine
2303	local $Coro::idle = sub {	3122	local $Coro::idle = sub {
…		…
2305	(async {	3124	(async {
2306	Event::one_event;	3125	Event::one_event;
2307	})->prio (Coro::PRIO_MAX);	3126	})->prio (Coro::PRIO_MAX);
2308	};	3127	};
2309		3128
2310	cfg_load;	3129	reload_config;
2311	db_init;	3130	db_init;
2312	load_extensions;	3131	load_extensions;
2313		3132
2314	$TICK_WATCHER->start;	3133	$TICK_WATCHER->start;
2315	Event::loop;	3134	Event::loop;
…		…
2331	},	3150	},
2332	);	3151	);
2333	}	3152	}
2334	}	3153	}
2335		3154
		3155	sub write_runtime {
		3156	my $runtime = "$LOCALDIR/runtime";
		3157
		3158	# first touch the runtime file to show we are still running:
		3159	# the fsync below can take a very very long time.
		3160
		3161	IO::AIO::aio_utime $runtime, undef, undef;
		3162
		3163	my $guard = cf::lock_acquire "write_runtime";
		3164
		3165	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3166	or return;
		3167
		3168	my $value = $cf::RUNTIME + 90 + 10;
		3169	# 10 is the runtime save interval, for a monotonic clock
		3170	# 60 allows for the watchdog to kill the server.
		3171
		3172	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3173	and return;
		3174
		3175	# always fsync - this file is important
		3176	aio_fsync $fh
		3177	and return;
		3178
		3179	# touch it again to show we are up-to-date
		3180	aio_utime $fh, undef, undef;
		3181
		3182	close $fh
		3183	or return;
		3184
		3185	aio_rename "$runtime~", $runtime
		3186	and return;
		3187
		3188	warn "runtime file written.\n";
		3189
		3190	1
		3191	}
		3192
2336	sub emergency_save() {	3193	sub emergency_save() {
2337	my $freeze_guard = cf::freeze_mainloop;	3194	my $freeze_guard = cf::freeze_mainloop;
2338		3195
2339	warn "enter emergency perl save\n";	3196	warn "enter emergency perl save\n";
2340		3197
…		…
2371		3228
2372	warn Carp::longmess "post_cleanup backtrace"	3229	warn Carp::longmess "post_cleanup backtrace"
2373	if $make_core;	3230	if $make_core;
2374	}	3231	}
2375		3232
2376	sub reload() {	3233	sub do_reload_perl() {
2377	# can/must only be called in main	3234	# can/must only be called in main
2378	if ($Coro::current != $Coro::main) {	3235	if ($Coro::current != $Coro::main) {
2379	warn "can only reload from main coroutine";	3236	warn "can only reload from main coroutine";
2380	return;	3237	return;
2381	}	3238	}
…		…
2406	Coro::cede;	3263	Coro::cede;
2407	last unless IO::AIO::nreqs || BDB::nreqs;	3264	last unless IO::AIO::nreqs || BDB::nreqs;
2408	warn "iterate...";	3265	warn "iterate...";
2409	}	3266	}
2410		3267
		3268	++$RELOAD;
		3269
2411	warn "cancelling all extension coros";	3270	warn "cancelling all extension coros";
2412	$_->cancel for values %EXT_CORO;	3271	$_->cancel for values %EXT_CORO;
2413	%EXT_CORO = ();	3272	%EXT_CORO = ();
2414		3273
2415	warn "removing commands";	3274	warn "removing commands";
2416	%COMMAND = ();	3275	%COMMAND = ();
2417		3276
2418	warn "removing ext commands";	3277	warn "removing ext/exti commands";
2419	%EXTCMD = ();	3278	%EXTCMD = ();
		3279	%EXTICMD = ();
2420		3280
2421	warn "unloading/nuking all extensions";	3281	warn "unloading/nuking all extensions";
2422	for my $pkg (@EXTS) {	3282	for my $pkg (@EXTS) {
2423	warn "... unloading $pkg";	3283	warn "... unloading $pkg";
2424		3284
…		…
2454	Symbol::delete_package "safe::$_"	3314	Symbol::delete_package "safe::$_"
2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3315	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2456		3316
2457	warn "unloading cf.pm \"a bit\"";	3317	warn "unloading cf.pm \"a bit\"";
2458	delete $INC{"cf.pm"};	3318	delete $INC{"cf.pm"};
		3319	delete $INC{"cf/pod.pm"};
2459		3320
2460	# don't, removes xs symbols, too,	3321	# don't, removes xs symbols, too,
2461	# and global variables created in xs	3322	# and global variables created in xs
2462	#Symbol::delete_package __PACKAGE__;	3323	#Symbol::delete_package __PACKAGE__;
2463		3324
…		…
2466	warn "reloading cf.pm";	3327	warn "reloading cf.pm";
2467	require cf;	3328	require cf;
2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3329	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2469		3330
2470	warn "loading config and database again";	3331	warn "loading config and database again";
2471	cf::cfg_load;	3332	cf::reload_config;
2472		3333
2473	warn "loading extensions";	3334	warn "loading extensions";
2474	cf::load_extensions;	3335	cf::load_extensions;
2475		3336
2476	warn "reattaching attachments to objects/players";	3337	warn "reattaching attachments to objects/players";
…		…
2478	warn "reattaching attachments to maps";	3339	warn "reattaching attachments to maps";
2479	reattach $_ for values %MAP;	3340	reattach $_ for values %MAP;
2480	warn "reattaching attachments to players";	3341	warn "reattaching attachments to players";
2481	reattach $_ for values %PLAYER;	3342	reattach $_ for values %PLAYER;
2482		3343
2483	warn "loading reloadable resources";
2484	init_resources;
2485
2486	warn "leaving sync_job";	3344	warn "leaving sync_job";
2487		3345
2488	1	3346	1
2489	} or do {	3347	} or do {
2490	warn $@;	3348	warn $@;
…		…
2495	warn "reloaded";	3353	warn "reloaded";
2496	};	3354	};
2497		3355
2498	our $RELOAD_WATCHER; # used only during reload	3356	our $RELOAD_WATCHER; # used only during reload
2499		3357
		3358	sub reload_perl() {
		3359	# doing reload synchronously and two reloads happen back-to-back,
		3360	# coro crashes during coro_state_free->destroy here.
		3361
		3362	$RELOAD_WATCHER ||= Event->timer (
		3363	reentrant => 0,
		3364	after => 0,
		3365	data => WF_AUTOCANCEL,
		3366	cb => sub {
		3367	do_reload_perl;
		3368	undef $RELOAD_WATCHER;
		3369	},
		3370	);
		3371	}
		3372
2500	register_command "reload" => sub {	3373	register_command "reload" => sub {
2501	my ($who, $arg) = @_;	3374	my ($who, $arg) = @_;
2502		3375
2503	if ($who->flag (FLAG_WIZ)) {	3376	if ($who->flag (FLAG_WIZ)) {
2504	$who->message ("reloading server.");	3377	$who->message ("reloading server.");
2505		3378	async { reload_perl };
2506	# doing reload synchronously and two reloads happen back-to-back,
2507	# coro crashes during coro_state_free->destroy here.
2508
2509	$RELOAD_WATCHER ||= Event->timer (
2510	reentrant => 0,
2511	after => 0,
2512	data => WF_AUTOCANCEL,
2513	cb => sub {
2514	reload;
2515	undef $RELOAD_WATCHER;
2516	},
2517	);
2518	}	3379	}
2519	};	3380	};
2520		3381
2521	unshift @INC, $LIBDIR;	3382	unshift @INC, $LIBDIR;
2522		3383
2523	my $bug_warning = 0;	3384	my $bug_warning = 0;
2524		3385
		3386	our @WAIT_FOR_TICK;
		3387	our @WAIT_FOR_TICK_BEGIN;
		3388
		3389	sub wait_for_tick {
		3390	return unless $TICK_WATCHER->is_active;
		3391	return if $Coro::current == $Coro::main;
		3392
		3393	my $signal = new Coro::Signal;
		3394	push @WAIT_FOR_TICK, $signal;
		3395	$signal->wait;
		3396	}
		3397
		3398	sub wait_for_tick_begin {
		3399	return unless $TICK_WATCHER->is_active;
		3400	return if $Coro::current == $Coro::main;
		3401
		3402	my $signal = new Coro::Signal;
		3403	push @WAIT_FOR_TICK_BEGIN, $signal;
		3404	$signal->wait;
		3405	}
		3406
		3407	my $min = 1e6;#d#
		3408	my $avg = 10;
2525	$TICK_WATCHER = Event->timer (	3409	$TICK_WATCHER = Event->timer (
2526	reentrant => 0,	3410	reentrant => 0,
2527	parked => 1,	3411	parked => 1,
2528	prio => 0,	3412	prio => 0,
2529	at => $NEXT_TICK || $TICK,	3413	at => $NEXT_TICK || $TICK,
…		…
2533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3417	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2534	unless ++$bug_warning > 10;	3418	unless ++$bug_warning > 10;
2535	return;	3419	return;
2536	}	3420	}
2537		3421
2538	$NOW = Event::time;	3422	$NOW = $tick_start = Event::time;
2539		3423
2540	cf::server_tick; # one server iteration	3424	cf::server_tick; # one server iteration
		3425
		3426	0 && sync_job {#d#
		3427	for(1..10) {
		3428	my $t = Event::time;
		3429	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3430	or die;
		3431
		3432	$map->width (50);
		3433	$map->height (50);
		3434	$map->alloc;
		3435	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3436	my $t = Event::time - $t;
		3437
		3438	#next unless $t < 0.0013;#d#
		3439	if ($t < $min) {
		3440	$min = $t;
		3441	}
		3442	$avg = $avg * 0.99 + $t * 0.01;
		3443	}
		3444	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3445	exit 0;
		3446	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3447	};
		3448
2541	$RUNTIME += $TICK;	3449	$RUNTIME += $TICK;
2542	$NEXT_TICK += $TICK;	3450	$NEXT_TICK += $TICK;
2543		3451
2544	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3452	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2545	$NEXT_RUNTIME_WRITE = $NOW + 10;	3453	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2547	write_runtime	3455	write_runtime
2548	or warn "ERROR: unable to write runtime file: $!";	3456	or warn "ERROR: unable to write runtime file: $!";
2549	};	3457	};
2550	}	3458	}
2551		3459
2552	$WAIT_FOR_TICK->broadcast;
2553	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2554
2555	# my $AFTER = Event::time;	3460	# my $AFTER = Event::time;
2556	# warn $AFTER - $NOW;#d#	3461	# warn $AFTER - $NOW;#d#
2557		3462
		3463	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3464	$sig->send;
		3465	}
		3466	while (my $sig = shift @WAIT_FOR_TICK) {
		3467	$sig->send;
		3468	}
		3469
		3470	$NOW = Event::time;
		3471
2558	# if we are delayed by four ticks or more, skip them all	3472	# if we are delayed by four ticks or more, skip them all
2559	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3473	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2560		3474
2561	$TICK_WATCHER->at ($NEXT_TICK);	3475	$TICK_WATCHER->at ($NEXT_TICK);
2562	$TICK_WATCHER->start;	3476	$TICK_WATCHER->start;
		3477
		3478	$LOAD = ($NOW - $tick_start) / $TICK;
		3479	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3480
		3481	_post_tick;
		3482
		3483
2563	},	3484	},
2564	);	3485	);
2565		3486
2566	{	3487	{
2567	BDB::max_poll_time $TICK * 0.1;	3488	BDB::max_poll_time $TICK * 0.1;
…		…
2595		3516
2596	cf::sync_job {	3517	cf::sync_job {
2597	eval {	3518	eval {
2598	BDB::db_env_open	3519	BDB::db_env_open
2599	$DB_ENV,	3520	$DB_ENV,
2600	$BDB_ENV_DIR,	3521	$BDBDIR,
2601	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3522	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2602	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3523	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2603	0666;	3524	0666;
2604		3525
2605	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3526	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2606		3527
2607	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3528	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2608	$DB_ENV->set_lk_detect;	3529	$DB_ENV->set_lk_detect;
2609	};	3530	};
2610		3531
…		…
2626	prio => 6,	3547	prio => 6,
2627	cb => \&IO::AIO::poll_cb,	3548	cb => \&IO::AIO::poll_cb,
2628	);	3549	);
2629	}	3550	}
2630		3551
		3552	my $_log_backtrace;
		3553
		3554	sub _log_backtrace {
		3555	my ($msg, @addr) = @_;
		3556
		3557	$msg =~ s/\n//;
		3558
		3559	# limit the # of concurrent backtraces
		3560	if ($_log_backtrace < 2) {
		3561	++$_log_backtrace;
		3562	async {
		3563	my @bt = fork_call {
		3564	@addr = map { sprintf "%x", $_ } @addr;
		3565	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3566	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3567	or die "addr2line: $!";
		3568
		3569	my @funcs;
		3570	my @res = <$fh>;
		3571	chomp for @res;
		3572	while (@res) {
		3573	my ($func, $line) = splice @res, 0, 2, ();
		3574	push @funcs, "[$func] $line";
		3575	}
		3576
		3577	@funcs
		3578	};
		3579
		3580	LOG llevInfo, "[ABT] $msg\n";
		3581	LOG llevInfo, "[ABT] $_\n" for @bt;
		3582	--$_log_backtrace;
		3583	};
		3584	} else {
		3585	LOG llevInfo, "[ABT] $msg\n";
		3586	LOG llevInfo, "[ABT] [suppressed]\n";
		3587	}
		3588	}
		3589
		3590	# load additional modules
		3591	use cf::pod;
		3592
2631	END { cf::emergency_save }	3593	END { cf::emergency_save }
2632		3594
2633	1	3595	1
2634		3596

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