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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.205 by root, Mon Feb 5 18:29:20 2007 UTC vs.
Revision 1.349 by root, Fri Aug 31 04:10:43 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 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
53	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
54		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
		86
55	our %CFG;	87	our %CFG;
56		88
57	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	90	our $RUNTIME;
59		91
60	our %PLAYER; # all users	92	our %PLAYER; # all users
61	our %MAP; # all maps	93	our %MAP; # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		95
68	# 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 ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		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 $tick_start; # for load detecting purposes
		102
71	binmode STDOUT;	103	binmode STDOUT;
72	binmode STDERR;	104	binmode STDERR;
73		105
74	# read virtual server time, if available	106	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
79	}	111	}
80		112
81	mkdir cf::localdir;	113	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		115
87	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
88		117
89	sub cf::map::normalise;	118	sub cf::map::normalise;
90		119
…		…
101	=item $cf::RUNTIME	130	=item $cf::RUNTIME
102		131
103	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
104	every server tick.	133	every server tick.
105		134
106	=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
107		138
108	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
109	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.
110		143
111	=item $cf::NOW	144	=item $cf::NOW
112		145
113	The time of the last (current) server tick.	146	The time of the last (current) server tick.
114		147
115	=item $cf::TICK	148	=item $cf::TICK
116		149
117	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.
118		161
119	=item %cf::CFG	162	=item %cf::CFG
120		163
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
122	from wherever your confdir points to.	165	from wherever your confdir points to.
123		166
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		168
126	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
127	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
128	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.
129	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.
130		178
131	=back	179	=back
132		180
133	=cut	181	=cut
134		182
135	BEGIN {	183	BEGIN {
136	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	185	my $msg = join "", @_;
138	utf8::encode $msg;
139		186
140	$msg .= "\n"	187	$msg .= "\n"
141	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
142		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
143	LOG llevError, $msg;	193	LOG llevError, $msg;
144	};	194	};
145	}	195	}
146		196
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@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';
152	@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)
153		204
154	# 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
155	# within the Safe compartment.	206	# within the Safe compartment.
156	for my $pkg (qw(	207	for my $pkg (qw(
157	cf::global cf::attachable	208	cf::global cf::attachable
…		…
165	}	216	}
166		217
167	$Event::DIED = sub {	218	$Event::DIED = sub {
168	warn "error in event callback: @_";	219	warn "error in event callback: @_";
169	};	220	};
		221
		222	#############################################################################
170		223
171	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
172		225
173	=over 4	226	=over 4
174		227
…		…
193	$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;
194	$d	247	$d
195	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
196	}	249	}
197		250
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
201		252
202	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
203		254
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
212		256
213	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
214		258
215	=cut	259	=cut
216		260
217	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
219	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
220	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
221		265
222	=item cf::lock_wait $string	266	=item cf::lock_wait $string
223		267
224	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
225		269
…		…
228	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
229	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,
230	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
231	returned.	275	returned.
232		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
233	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
234	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.
235		286
236	=cut	287	=cut
237		288
238	our %LOCK;	289	our %LOCK;
239		290
…		…
259	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
261	}	312	}
262	}	313	}
263		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
264	sub freeze_mainloop {	321	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
266		323
267	my $guard = Coro::guard {	324	my $guard = Coro::guard {
268	$TICK_WATCHER->start;	325	$TICK_WATCHER->start;
269	$WRITE_RUNTIME_WATCHER->start;
270	};	326	};
271	$WRITE_RUNTIME_WATCHER->stop;
272	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
273	$guard	328	$guard
		329	}
		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
274	}	385	}
275		386
276	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
277		388
278	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		394
284	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
285		396
286	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
287		398
288	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)
289	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
290	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.
291		403
292	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
293	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
294	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
295	fast or be very important.	407	fast or be very important.
…		…
298		410
299	sub sync_job(&) {	411	sub sync_job(&) {
300	my ($job) = @_;	412	my ($job) = @_;
301		413
302	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
303	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
305		419
306	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
307	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
318		432
319	while ($busy) {	433	while ($busy) {
320	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
321	}	435	}
322		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
323	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
324	} else {	445	} else {
325	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
326		447
327	$job->()	448	$job->()
…		…
346	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
347		468
348	$coro	469	$coro
349	}	470	}
350		471
351	sub write_runtime {	472	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		473
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
355	or return;	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
356		478
357	my $value = $cf::RUNTIME + 90 + 10;	479	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		480
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	sub fork_call(&@) {
362	and return;	482	my ($cb, @args) = @_;
363		483
364	# always fsync - this file is important	484	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	485	# otherwise perl prematurely frees the stuff :/
366	and return;	486	# TODO: investigate and fix (liekly this will be rather laborious)
367		487
368	close $fh	488	my @res = Coro::Util::fork_eval {
369	or return;	489	reset_signals;
		490	&$cb
		491	}, @args;
370		492
371	aio_rename "$runtime~", $runtime	493	wantarray ? @res : $res[-1]
372	and return;	494	}
373		495
		496	=item $value = cf::db_get $family => $key
		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
374	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 });
375	}	621	}
376		622
377	=back	623	=back
378		624
379	=cut	625	=cut
…		…
386	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")
387	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
388		634
389	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>
390	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
391	crossfire+).	637	Crossfire TRT).
392		638
393	=over 4	639	=over 4
394		640
395	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
396		642
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
560		806
561	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		811
566	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	813	my $pkg = shift @arg;
568		814
569	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
599	}	845	}
600		846
601	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
602	} else {	848	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	850	}
605		851
606	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
607	}	853	}
608		854
…		…
610	if (ref $_[0]) {	856	if (ref $_[0]) {
611	_object_attach @_;	857	_object_attach @_;
612	} else {	858	} else {
613	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
614	}	860	}
		861	_recalc_want;
615	};	862	};
616		863
617	# all those should be optimised	864	# all those should be optimised
618	sub cf::attachable::detach {	865	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
623	reattach ($obj);	870	reattach ($obj);
624	} else {	871	} else {
625	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
626	}	873	}
		874	_recalc_want;
627	};	875	};
628		876
629	sub cf::attachable::attached {	877	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
631		879
…		…
646	";	894	";
647	die if $@;	895	die if $@;
648	}	896	}
649		897
650	our $override;	898	our $override;
651	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?
652		900
653	sub override {	901	sub override {
654	$override = 1;	902	$override = 1;
655	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
656	}	904	}
657		905
658	sub do_invoke {	906	sub do_invoke {
659	my $event = shift;	907	my $event = shift;
660	my $callbacks = shift;	908	my $callbacks = shift;
661		909
662	@invoke_results = ();	910	@INVOKE_RESULTS = ();
663		911
664	local $override;	912	local $override;
665		913
666	for (@$callbacks) {	914	for (@$callbacks) {
667	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
684		932
685	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
686		934
687	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
688	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
689	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		938
691	=back	939	=back
692		940
693	=cut	941	=cut
694		942
695	#############################################################################	943	#############################################################################
696	# 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	}
697		956
698	sub reattach {	957	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	959	my ($obj) = @_;
701		960
…		…
778	}	1037	}
779	} else {	1038	} else {
780	aio_unlink $filename;	1039	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1040	aio_unlink "$filename.pst";
782	}	1041	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1042	}
790	}	1043	}
791		1044
792	sub object_freezer_as_string {	1045	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1046	my ($rdata, $objs) = @_;
…		…
799		1052
800	sub object_thawer_load {	1053	sub object_thawer_load {
801	my ($filename) = @_;	1054	my ($filename) = @_;
802		1055
803	my ($data, $av);	1056	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1057
808	(aio_load $filename, $data) >= 0	1058	(aio_load $filename, $data) >= 0
809	or return;	1059	or return;
810		1060
811	unless (aio_stat "$filename.pst") {	1061	unless (aio_stat "$filename.pst") {
…		…
813	or return;	1063	or return;
814	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1065	}
816		1066
817	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
819	return ($data, $av);	1069	return ($data, $av);
820	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
821		1077
822	#############################################################################	1078	#############################################################################
823	# command handling &c	1079	# command handling &c
824		1080
825	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1095	}
840		1096
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1098
843	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
844		1104
845	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
846	called.	1106	called.
847		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
848	=cut	1119	=cut
849		1120
850	sub register_extcmd {	1121	sub register_extcmd {
851	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
852		1123
853	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
854	}	1131	}
855		1132
856	cf::player->attach (	1133	cf::player->attach (
857	on_command => sub {	1134	on_command => sub {
858	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1144	cf::override;
868	},	1145	},
869	on_extcmd => sub {	1146	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
871		1148
872	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1150
874	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
880	} else {	1166	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1168	}
883		1169
884	cf::override;	1170	cf::override;
885	},	1171	},
886	);	1172	);
887		1173
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 {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
923	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1179	next unless -r $path;
925	eval {	1180
926	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
927	1	1238	}
928	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
929	}	1244	};
930	}	1245	}
931		1246
932	#############################################################################	1247	#############################################################################
933		1248
		1249	=back
		1250
934	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
935		1252
936	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
937		1254
938	=cut	1255	=cut
…		…
950	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
951		1268
952	=cut	1269	=cut
953		1270
954	sub playerdir($) {	1271	sub playerdir($) {
955	cf::localdir	1272	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1274	}
961		1275
962	sub path($) {	1276	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1278
965	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
966	}	1280	}
967		1281
968	sub find_active($) {	1282	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1297	my $login = $_[0];
984		1298
985	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
986		1300
987	$cf::PLAYER{$_[0]} || do {	1301	$cf::PLAYER{$_[0]} || do {
		1302	# rename old playerfiles to new ones
		1303	#TODO: remove when no longer required
		1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1307	aio_unlink +(playerdir $login) . "/$login.pl";
		1308
988	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
989	or return;	1310	or return;
990	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
991	}	1312	}
992	}	1313	}
…		…
1004		1325
1005	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1007		1328
1008	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1009	Coro::cede;	1330	cf::cede_to_tick;
1010	}	1331	}
1011		1332
1012	sub new($) {	1333	sub new($) {
1013	my ($login) = @_;	1334	my ($login) = @_;
1014		1335
…		…
1020	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1021		1342
1022	$self	1343	$self
1023	}	1344	}
1024		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
		1354	}
		1355
1025	=item $pl->quit_character	1356	=item $pl->quit_character
1026		1357
1027	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1029		1360
1030	=cut	1361	=cut
1031		1362
1032	sub quit_character {	1363	sub quit_character {
1033	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1034		1367
1035	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1369	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1370
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1380	$pl->destroy;
		1381
		1382	my $prefix = qr<^~\Q$name\E/>;
		1383
		1384	# nuke player maps
		1385	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1386
1048	IO::AIO::aio_rmtree $temp;	1387	IO::AIO::aio_rmtree $temp;
		1388	}
		1389
		1390	=item $pl->kick
		1391
		1392	Kicks a player out of the game. This destroys the connection.
		1393
		1394	=cut
		1395
		1396	sub kick {
		1397	my ($pl, $kicker) = @_;
		1398
		1399	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1400	$pl->killer ("kicked");
		1401	$pl->ns->destroy;
1049	}	1402	}
1050		1403
1051	=item cf::player::list_logins	1404	=item cf::player::list_logins
1052		1405
1053	Returns am arrayref of all valid playernames in the system, can take a	1406	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1055		1408
1056	=cut	1409	=cut
1057		1410
1058	sub list_logins {	1411	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1413	or return [];
1061		1414
1062	my @logins;	1415	my @logins;
1063		1416
1064	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1099	}	1452	}
1100		1453
1101	\@paths	1454	\@paths
1102	}	1455	}
1103		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGH])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	# replace G<male|female> tags
		1478	|| s{G<([^>|]*)\|([^>]*)>}{
		1479	$self->gender ? $2 : $1
		1480	}ge
		1481	# replace H<hint text>
		1482	|| s{H<([^\>]*)>}
		1483	{
		1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1486	"")
		1487	[$self->{hintmode}]
		1488	}ge;
		1489
		1490	# create single paragraphs (very hackish)
		1491	s/(?<=\S)\n(?=\w)/ /g;
		1492
		1493	# compress some whitespace
		1494	s/\s+\n/\n/g; # ws line-ends
		1495	s/\n\n+/\n/g; # double lines
		1496	s/^\n+//; # beginning lines
		1497	s/\n+$//; # ending lines
		1498
		1499	$_
		1500	}
		1501
		1502	sub hintmode {
		1503	$_[0]{hintmode} = $_[1] if @_ > 1;
		1504	$_[0]{hintmode}
		1505	}
		1506
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1105		1508
1106	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1107		1510
1108	=cut	1511	=cut
1109		1512
1110	sub ext_reply($$$%) {	1513	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1112		1515
1113	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1517	}
1117		1518
1118	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1119		1559
1120	=back	1560	=back
1121
1122		1561
1123	=head3 cf::map	1562	=head3 cf::map
1124		1563
1125	=over 4	1564	=over 4
1126		1565
…		…
1181	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1182		1621
1183	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1184	local $self->{path};	1623	local $self->{path};
1185	local $self->{load_path};	1624	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1625
1189	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1190	}	1627	}
1191		1628
1192	sub normalise {	1629	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1240	return $self;	1677	return $self;
1241	}	1678	}
1242	}	1679	}
1243		1680
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1682	()
1246	}	1683	}
1247		1684
1248	sub init {	1685	sub init {
1249	my ($self) = @_;	1686	my ($self) = @_;
…		…
1264		1701
1265	# the original (read-only) location	1702	# the original (read-only) location
1266	sub load_path {	1703	sub load_path {
1267	my ($self) = @_;	1704	my ($self) = @_;
1268		1705
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1270	}	1707	}
1271		1708
1272	# the temporary/swap location	1709	# the temporary/swap location
1273	sub save_path {	1710	sub save_path {
1274	my ($self) = @_;	1711	my ($self) = @_;
1275		1712
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1278	}	1715	}
1279		1716
1280	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1281	sub uniq_path {	1718	sub uniq_path {
1282	my ($self) = @_;	1719	my ($self) = @_;
1283		1720
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1286	}	1723	}
1287		1724
1288	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1289	# all maps in C++...	1726	# all maps in C++...
1290	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1292		1729
1293	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1295	}	1732	}
1296		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
1297	sub unlink_save {	1742	sub unlink_save {
1298	my ($self) = @_;	1743	my ($self) = @_;
1299		1744
1300	utf8::encode (my $save = $self->save_path);	1745	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1748	}
1309		1749
1310	sub load_header_from($) {	1750	sub load_header_from($) {
1311	my ($self, $path) = @_;	1751	my ($self, $path) = @_;
1312		1752
…		…
1362	$self->load_header_orig	1802	$self->load_header_orig
1363	or return;	1803	or return;
1364	$self->prepare_orig;	1804	$self->prepare_orig;
1365	}	1805	}
1366		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
		1810	$self->default_region (cf::region::find_by_path $self->{path})
		1811	unless $self->default_region;
		1812
1367	1	1813	1
1368	}	1814	}
1369		1815
1370	sub find;	1816	sub find;
1371	sub find {	1817	sub find {
…		…
1383	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1384		1830
1385	$map->load_header	1831	$map->load_header
1386	or return;	1832	or return;
1387		1833
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1391	$map->reset;	1837	$map->reset;
1392	undef $guard;	1838	undef $guard;
1393	return find $path;	1839	return find $path;
…		…
1404	my ($self) = @_;	1850	my ($self) = @_;
1405		1851
1406	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1407		1853
1408	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1409	my $guard = cf::lock_acquire "map_load:$path";	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1410		1859
1411	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1412		1861
1413	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1414		1863
1415	$self->alloc;	1864	$self->alloc;
1416		1865
1417	$self->pre_load;	1866	$self->pre_load;
		1867	cf::cede_to_tick;
1418		1868
1419	$self->_load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1420	or return;	1870	or return;
1421		1871
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1873	if delete $self->{load_original};
1424		1874
1425	if (my $uniq = $self->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1876	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;	1878	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1430	}	1880	}
1431	}	1881	}
1432		1882
1433	Coro::cede;	1883	cf::cede_to_tick;
1434
1435	# now do the right thing for maps	1884	# now do the right thing for maps
1436	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;
1443	$self->set_darkness_map;
1444	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	1887	unless $self->difficulty;
1446	Coro::cede;	1888	cf::cede_to_tick;
		1889
		1890	unless ($self->{deny_activate}) {
		1891	$self->decay_objects;
		1892	$self->fix_auto_apply;
		1893	$self->update_buttons;
		1894	cf::cede_to_tick;
		1895	$self->set_darkness_map;
		1896	cf::cede_to_tick;
1447	$self->activate;	1897	$self->activate;
		1898	}
		1899
		1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
		1902
		1903	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1904	}
1449		1905
1450	$self->post_load;	1906	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	1907	}
1454		1908
1455	sub customise_for {	1909	sub customise_for {
1456	my ($self, $ob) = @_;	1910	my ($self, $ob) = @_;
1457		1911
1458	return find "~" . $ob->name . "/" . $self->{path}	1912	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	1913	if $self->per_player;
1460		1914
		1915	# return find "?party/" . $ob->name . "/" . $self->{path}
		1916	# if $self->per_party;
		1917
1461	$self	1918	$self
1462	}	1919	}
1463		1920
1464	# find and load all maps in the 3x3 area around a map	1921	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	1922	sub load_neighbours {
1466	my ($map) = @_;	1923	my ($map) = @_;
1467		1924
1468	my @diag; # diagonal neighbours	1925	my @neigh; # diagonal neighbours
1469		1926
1470	for (0 .. 3) {	1927	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	1928	my $neigh = $map->tile_path ($_)
1472	or next;	1929	or next;
1473	$neigh = find $neigh, $map	1930	$neigh = find $neigh, $map
1474	or next;	1931	or next;
1475	$neigh->load;	1932	$neigh->load;
1476		1933
		1934	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	1937	}
1480		1938
1481	for (@diag) {	1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	1941	my $neigh = find $path, $origin
1483	or next;	1942	or next;
1484	$neigh->load;	1943	$neigh->load;
1485	}	1944	}
1486	}	1945	}
1487		1946
…		…
1492	}	1951	}
1493		1952
1494	sub do_load_sync {	1953	sub do_load_sync {
1495	my ($map) = @_;	1954	my ($map) = @_;
1496		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1497	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
1498	}	1960	}
1499		1961
1500	our %MAP_PREFETCH;	1962	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	1963	our $MAP_PREFETCHER = undef;
1502		1964
1503	sub find_async {	1965	sub find_async {
1504	my ($path, $origin) = @_;	1966	my ($path, $origin, $load) = @_;
1505		1967
1506	$path = normalise $path, $origin && $origin->{path};	1968	$path = normalise $path, $origin && $origin->{path};
1507		1969
1508	if (my $map = $cf::MAP{$path}) {	1970	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1510	}	1972	}
1511		1973
1512	undef $MAP_PREFETCH{$path};	1974	$MAP_PREFETCH{$path} |= $load;
		1975
1513	$MAP_PREFETCHER ||= cf::async {	1976	$MAP_PREFETCHER ||= cf::async {
1514	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	1978	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	1979	if (my $map = find $k) {
1517	or next;
1518	$map->load;	1980	$map->load if $v;
		1981	}
1519		1982
1520	delete $MAP_PREFETCH{$path};	1983	delete $MAP_PREFETCH{$k};
1521	}	1984	}
1522	}	1985	}
1523	undef $MAP_PREFETCHER;	1986	undef $MAP_PREFETCHER;
1524	};	1987	};
1525	$MAP_PREFETCHER->prio (6);	1988	$MAP_PREFETCHER->prio (6);
…		…
1528	}	1991	}
1529		1992
1530	sub save {	1993	sub save {
1531	my ($self) = @_;	1994	my ($self) = @_;
1532		1995
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1534		1997
1535	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1536		1999
1537	return unless $self->dirty;	2000	return unless $self->dirty;
1538		2001
…		…
1561	my ($self) = @_;	2024	my ($self) = @_;
1562		2025
1563	# save first because save cedes	2026	# save first because save cedes
1564	$self->save;	2027	$self->save;
1565		2028
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2030
1568	return if $self->players;	2031	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1570	return if $self->{deny_save};	2033	return if $self->{deny_save};
1571		2034
…		…
1575		2038
1576	sub reset_at {	2039	sub reset_at {
1577	my ($self) = @_;	2040	my ($self) = @_;
1578		2041
1579	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1582		2044
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2047
…		…
1596	my ($self) = @_;	2058	my ($self) = @_;
1597		2059
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2061
1600	return if $self->players;	2062	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2063
1603	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
		2065
		2066	$self->in_memory (cf::MAP_SWAPPED);
		2067
		2068	# need to save uniques path
		2069	unless ($self->{deny_save}) {
		2070	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2071
		2072	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2073	if $uniq;
		2074	}
1604		2075
1605	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
1606		2077
1607	$self->in_memory (cf::MAP_SWAPPED);
1608	$self->clear;	2078	$self->clear;
1609		2079
1610	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1611		2081
1612	$self->unlink_save;	2082	$self->unlink_save;
…		…
1616	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1617		2087
1618	sub nuke {	2088	sub nuke {
1619	my ($self) = @_;	2089	my ($self) = @_;
1620		2090
		2091	{
		2092	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2093
1621	delete $cf::MAP{$self->path};	2094	delete $cf::MAP{$self->path};
1622		2095
1623	$self->unlink_save;
1624
1625	bless $self, "cf::map";	2096	bless $self, "cf::map";
1626	delete $self->{deny_reset};	2097	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2098	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2099	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2100	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2101
		2102	$self->unlink_save;
		2103
1631	$cf::MAP{$self->path} = $self;	2104	$cf::MAP{$self->path} = $self;
		2105	}
1632		2106
1633	$self->reset; # polite request, might not happen	2107	$self->reset; # polite request, might not happen
		2108	}
		2109
		2110	=item $maps = cf::map::tmp_maps
		2111
		2112	Returns an arrayref with all map paths of currently instantiated and saved
		2113	maps. May block.
		2114
		2115	=cut
		2116
		2117	sub tmp_maps() {
		2118	[
		2119	map {
		2120	utf8::decode $_;
		2121	/\.map$/
		2122	? normalise $_
		2123	: ()
		2124	} @{ aio_readdir $TMPDIR or [] }
		2125	]
		2126	}
		2127
		2128	=item $maps = cf::map::random_maps
		2129
		2130	Returns an arrayref with all map paths of currently instantiated and saved
		2131	random maps. May block.
		2132
		2133	=cut
		2134
		2135	sub random_maps() {
		2136	[
		2137	map {
		2138	utf8::decode $_;
		2139	/\.map$/
		2140	? normalise "?random/$_"
		2141	: ()
		2142	} @{ aio_readdir $RANDOMDIR or [] }
		2143	]
1634	}	2144	}
1635		2145
1636	=item cf::map::unique_maps	2146	=item cf::map::unique_maps
1637		2147
1638	Returns an arrayref of paths of all shared maps that have	2148	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2149	instantiated unique items. May block.
1640		2150
1641	=cut	2151	=cut
1642		2152
1643	sub unique_maps() {	2153	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2154	[
1645	or return;	2155	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2156	utf8::decode $_;
1651	next if /\.pst$/;	2157	/\.map$/
1652	next unless /^$PATH_SEP/o;	2158	? normalise $_
1653		2159	: ()
1654	push @paths, cf::map::normalise $_;	2160	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2161	]
1656
1657	\@paths
1658	}	2162	}
1659		2163
1660	package cf;	2164	package cf;
1661		2165
1662	=back	2166	=back
…		…
1708		2212
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2213	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2214
1711	if ($self->{record_replies}) {	2215	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2216	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2217
1713	} else {	2218	} else {
		2219	my $pl = $self->contr;
		2220
		2221	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2222	my $dialog = $pl->{npc_dialog};
		2223	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2224
		2225	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2226	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2227	$self->message ($msg, $flags);
		2228	}
1716	}	2229	}
		2230	}
		2231
		2232	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2233
		2234	=cut
		2235
		2236	sub cf::object::send_msg {
		2237	my $pl = shift->contr
		2238	or return;
		2239	$pl->send_msg (@_);
1717	}	2240	}
1718		2241
1719	=item $player_object->may ("access")	2242	=item $player_object->may ("access")
1720		2243
1721	Returns wether the given player is authorized to access resource "access"	2244	Returns wether the given player is authorized to access resource "access"
…		…
1768	$self->deactivate_recursive;	2291	$self->deactivate_recursive;
1769		2292
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2293	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2294
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2295	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2296	if $self->map && $self->map->{path} ne "{link}";
1774		2297
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2298	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2299	}
1777		2300
1778	sub cf::object::player::leave_link {	2301	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2302	my ($self, $map, $x, $y) = @_;
		2303
		2304	return unless $self->contr->active;
1780		2305
1781	my $link_pos = delete $self->{_link_pos};	2306	my $link_pos = delete $self->{_link_pos};
1782		2307
1783	unless ($map) {	2308	unless ($map) {
1784	# restore original map position	2309	# restore original map position
…		…
1798	# use -1 or undef as default coordinates, not 0, 0	2323	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2324	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2325	if $x <=0 && $y <= 0;
1801		2326
1802	$map->load;	2327	$map->load;
1803	$map->load_diag;	2328	$map->load_neighbours;
1804		2329
1805	return unless $self->contr->active;	2330	return unless $self->contr->active;
1806	$self->activate_recursive;	2331	$self->activate_recursive;
		2332
		2333	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2334	$self->enter_map ($map, $x, $y);
1808	}	2335	}
1809		2336
1810	cf::player->attach (	2337	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2338
1814	# abort map switching before logout	2339	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2340	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2341	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2342	the new (success) or old (failed) map position. In either case, $done will
1818	};	2343	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2344
1824	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841
1842	=item $player_object->goto ($path, $x, $y)
1843
1844	=cut	2345	=cut
		2346
		2347	our $GOTOGEN;
1845		2348
1846	sub cf::object::player::goto {	2349	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2350	my ($self, $path, $x, $y, $check, $done) = @_;
		2351
		2352	# do generation counting so two concurrent goto's will be executed in-order
		2353	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2354
1849	$self->enter_link;	2355	$self->enter_link;
1850		2356
1851	(async {	2357	(async {
1852	my $map = eval {	2358	my $map = eval {
1853	my $map = cf::map::find $path;	2359	my $map = cf::map::find $path;
		2360
		2361	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2362	$map = $map->customise_for ($self);
		2363	$map = $check->($map) if $check && $map;
		2364	} else {
		2365	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	}
		2367
1855	$map	2368	$map
		2369	};
		2370
		2371	if ($@) {
		2372	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2373	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2374	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2375
		2376	if ($gen == $self->{_goto_generation}) {
		2377	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2378	$self->leave_link ($map, $x, $y);
		2379	}
		2380
		2381	$done->() if $done;
1860	})->prio (1);	2382	})->prio (1);
1861	}	2383	}
1862		2384
1863	=item $player_object->enter_exit ($exit_object)	2385	=item $player_object->enter_exit ($exit_object)
1864		2386
…		…
1903		2425
1904	$rmp->{random_seed} ||= $exit->random_seed;	2426	$rmp->{random_seed} ||= $exit->random_seed;
1905		2427
1906	my $data = cf::to_json $rmp;	2428	my $data = cf::to_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2429	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2430	my $meta = "$RANDOMDIR/$md5.meta";
1909		2431
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2432	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2433	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2434	undef $fh;
1913	aio_rename "$meta~", $meta;	2435	aio_rename "$meta~", $meta;
…		…
1922		2444
1923	return unless $self->type == cf::PLAYER;	2445	return unless $self->type == cf::PLAYER;
1924		2446
1925	if ($exit->slaying eq "/!") {	2447	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	2448	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2449	# the problem is that $exit might not survive long enough
		2450	# so it needs to be done right now, right here
1927	cf::sync_job { prepare_random_map $exit };	2451	cf::sync_job { prepare_random_map $exit };
1928	}	2452	}
1929		2453
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2454	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2455	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;	2456	my $sp = $exit->stats->sp;
1933		2457
1934	$self->enter_link;	2458	$self->enter_link;
		2459
		2460	# if exit is damned, update players death & WoR home-position
		2461	$self->contr->savebed ($slaying, $hp, $sp)
		2462	if $exit->flag (FLAG_DAMNED);
1935		2463
1936	(async {	2464	(async {
1937	$self->deactivate_recursive; # just to be sure	2465	$self->deactivate_recursive; # just to be sure
1938	unless (eval {	2466	unless (eval {
1939	$self->goto ($slaying, $hp, $sp);	2467	$self->goto ($slaying, $hp, $sp);
1940		2468
1941	1;	2469	1;
1942	}) {	2470	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2471	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2472	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2473	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2474	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2475
1948	warn "ERROR in enter_exit: $@";	2476	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2477	$self->leave_link;
1950	}	2478	}
1951	})->prio (1);	2479	})->prio (1);
…		…
1964		2492
1965	sub cf::client::send_drawinfo {	2493	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2494	my ($self, $text, $flags) = @_;
1967		2495
1968	utf8::encode $text;	2496	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2497	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2498	}
1971		2499
		2500	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2501
		2502	Send a drawinfo or msg packet to the client, formatting the msg for the
		2503	client if neccessary. C<$type> should be a string identifying the type of
		2504	the message, with C<log> being the default. If C<$color> is negative, suppress
		2505	the message unless the client supports the msg packet.
		2506
		2507	=cut
		2508
		2509	sub cf::client::send_msg {
		2510	my ($self, $channel, $msg, $color, @extra) = @_;
		2511
		2512	$msg = $self->pl->expand_cfpod ($msg);
		2513
		2514	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2515
		2516	if (ref $channel) {
		2517	# send meta info to client, if not yet sent
		2518	unless (exists $self->{channel}{$channel->{id}}) {
		2519	$self->{channel}{$channel->{id}} = $channel;
		2520	$self->ext_msg (channel_info => $channel);
		2521	}
		2522
		2523	$channel = $channel->{id};
		2524	}
		2525
		2526	return unless @extra || length $msg;
		2527
		2528	if ($self->can_msg) {
		2529	# default colour, mask it out
		2530	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2531	if $color & cf::NDI_DEF;
		2532
		2533	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2534	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2535	} else {
		2536	if ($color >= 0) {
		2537	# replace some tags by gcfclient-compatible ones
		2538	for ($msg) {
		2539	1 while
		2540	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2541	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2542	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2543	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2544	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2545	}
		2546
		2547	$color &= cf::NDI_COLOR_MASK;
		2548
		2549	utf8::encode $msg;
		2550
		2551	if (0 && $msg =~ /\[/) {
		2552	# COMMAND/INFO
		2553	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2554	} else {
		2555	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2556	$self->send_packet ("drawinfo $color $msg")
		2557	}
		2558	}
		2559	}
		2560	}
		2561
		2562	=item $client->ext_msg ($type, @msg)
		2563
		2564	Sends an ext event to the client.
		2565
		2566	=cut
		2567
		2568	sub cf::client::ext_msg($$@) {
		2569	my ($self, $type, @msg) = @_;
		2570
		2571	if ($self->extcmd == 2) {
		2572	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2573	} elsif ($self->extcmd == 1) { # TODO: remove
		2574	push @msg, msgtype => "event_$type";
		2575	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2576	}
		2577	}
		2578
		2579	=item $client->ext_reply ($msgid, @msg)
		2580
		2581	Sends an ext reply to the client.
		2582
		2583	=cut
		2584
		2585	sub cf::client::ext_reply($$@) {
		2586	my ($self, $id, @msg) = @_;
		2587
		2588	if ($self->extcmd == 2) {
		2589	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2590	} elsif ($self->extcmd == 1) {
		2591	#TODO: version 1, remove
		2592	unshift @msg, msgtype => "reply", msgid => $id;
		2593	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2594	}
		2595	}
1972		2596
1973	=item $success = $client->query ($flags, "text", \&cb)	2597	=item $success = $client->query ($flags, "text", \&cb)
1974		2598
1975	Queues a query to the client, calling the given callback with	2599	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2600	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2601	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2602
1979	Queries can fail, so check the return code. Or don't, as queries will become	2603	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2604	become reliable at some point in the future.
1981		2605
1982	=cut	2606	=cut
1983		2607
1984	sub cf::client::query {	2608	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2609	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2617	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2618	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2619
1996	$self->send_packet ($self->{query_queue}[0][0])	2620	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2621	if @{ $self->{query_queue} } == 1;
		2622
		2623	1
1998	}	2624	}
1999		2625
2000	cf::client->attach (	2626	cf::client->attach (
		2627	on_connect => sub {
		2628	my ($ns) = @_;
		2629
		2630	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2631	},
2001	on_reply => sub {	2632	on_reply => sub {
2002	my ($ns, $msg) = @_;	2633	my ($ns, $msg) = @_;
2003		2634
2004	# this weird shuffling is so that direct followup queries	2635	# this weird shuffling is so that direct followup queries
2005	# get handled first	2636	# get handled first
…		…
2017	} else {	2648	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2649	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2650	}
2020	}	2651	}
2021	},	2652	},
		2653	on_exticmd => sub {
		2654	my ($ns, $buf) = @_;
		2655
		2656	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2657
		2658	if (ref $msg) {
		2659	my ($type, $reply, @payload) =
		2660	"ARRAY" eq ref $msg
		2661	? @$msg
		2662	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2663
		2664	my @reply;
		2665
		2666	if (my $cb = $EXTICMD{$type}) {
		2667	@reply = $cb->($ns, @payload);
		2668	}
		2669
		2670	$ns->ext_reply ($reply, @reply)
		2671	if $reply;
		2672
		2673	} else {
		2674	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2675	}
		2676
		2677	cf::override;
		2678	},
2022	);	2679	);
2023		2680
2024	=item $client->async (\&cb)	2681	=item $client->async (\&cb)
2025		2682
2026	Create a new coroutine, running the specified callback. The coroutine will	2683	Create a new coroutine, running the specified callback. The coroutine will
…		…
2067	our $safe = new Safe "safe";	2724	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	2725	our $safe_hole = new Safe::Hole;
2069		2726
2070	$SIG{FPE} = 'IGNORE';	2727	$SIG{FPE} = 'IGNORE';
2071		2728
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2729	$safe->permit_only (Opcode::opset qw(
		2730	:base_core :base_mem :base_orig :base_math
		2731	grepstart grepwhile mapstart mapwhile
		2732	sort time
		2733	));
2073		2734
2074	# here we export the classes and methods available to script code	2735	# here we export the classes and methods available to script code
2075		2736
2076	=pod	2737	=pod
2077		2738
2078	The following fucntions and emthods are available within a safe environment:	2739	The following functions and methods are available within a safe environment:
2079		2740
2080	cf::object contr pay_amount pay_player map	2741	cf::object
		2742	contr pay_amount pay_player map x y force_find force_add
		2743	insert remove name archname title slaying race decrease_ob_nr
		2744
2081	cf::object::player player	2745	cf::object::player
2082	cf::player peaceful	2746	player
2083	cf::map trigger	2747
		2748	cf::player
		2749	peaceful
		2750
		2751	cf::map
		2752	trigger
2084		2753
2085	=cut	2754	=cut
2086		2755
2087	for (	2756	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	2757	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2758	insert remove inv name archname title slaying race
		2759	decrease_ob_nr)],
2089	["cf::object::player" => qw(player)],	2760	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	2761	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	2762	["cf::map" => qw(trigger)],
2092	) {	2763	) {
2093	no strict 'refs';	2764	no strict 'refs';
…		…
2164	=back	2835	=back
2165		2836
2166	=cut	2837	=cut
2167		2838
2168	#############################################################################	2839	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	2840	# the server's init and main functions
2278		2841
2279	sub load_resources {	2842	sub load_facedata($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2843	my ($path) = @_;
		2844
		2845	# HACK to clear player env face cache, we need some signal framework
		2846	# for this (global event?)
		2847	%ext::player_env::MUSIC_FACE_CACHE = ();
		2848
		2849	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2850
		2851	warn "loading facedata from $path\n";
		2852
		2853	my $facedata;
		2854	0 < aio_load $path, $facedata
		2855	or die "$path: $!";
		2856
		2857	$facedata = Coro::Storable::thaw $facedata;
		2858
		2859	$facedata->{version} == 2
		2860	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2861
		2862	# patch in the exptable
		2863	$facedata->{resource}{"res/exp_table"} = {
		2864	type => FT_RSRC,
		2865	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2866	};
		2867	cf::cede_to_tick;
		2868
		2869	{
		2870	my $faces = $facedata->{faceinfo};
		2871
		2872	while (my ($face, $info) = each %$faces) {
		2873	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2874	cf::face::set_visibility $idx, $info->{visibility};
		2875	cf::face::set_magicmap $idx, $info->{magicmap};
		2876	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2877	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2878
		2879	cf::cede_to_tick;
		2880	}
		2881
		2882	while (my ($face, $info) = each %$faces) {
		2883	next unless $info->{smooth};
		2884	my $idx = cf::face::find $face
		2885	or next;
		2886	if (my $smooth = cf::face::find $info->{smooth}) {
		2887	cf::face::set_smooth $idx, $smooth;
		2888	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2889	} else {
		2890	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2891	}
		2892
		2893	cf::cede_to_tick;
		2894	}
		2895	}
		2896
		2897	{
		2898	my $anims = $facedata->{animinfo};
		2899
		2900	while (my ($anim, $info) = each %$anims) {
		2901	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2902	cf::cede_to_tick;
		2903	}
		2904
		2905	cf::anim::invalidate_all; # d'oh
		2906	}
		2907
		2908	{
		2909	# TODO: for gcfclient pleasure, we should give resources
		2910	# that gcfclient doesn't grok a >10000 face index.
		2911	my $res = $facedata->{resource};
		2912
		2913	my $soundconf = delete $res->{"res/sound.conf"};
		2914
		2915	while (my ($name, $info) = each %$res) {
		2916	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2917	my $data;
		2918
		2919	if ($info->{type} & 1) {
		2920	# prepend meta info
		2921
		2922	my $meta = $enc->encode ({
		2923	name => $name,
		2924	%{ $info->{meta} || {} },
		2925	});
		2926
		2927	$data = pack "(w/a*)*", $meta, $info->{data};
		2928	} else {
		2929	$data = $info->{data};
		2930	}
		2931
		2932	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2933	cf::face::set_type $idx, $info->{type};
		2934
		2935	cf::cede_to_tick;
		2936	}
		2937
		2938	if ($soundconf) {
		2939	$soundconf = $enc->decode (delete $soundconf->{data});
		2940
		2941	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2942	my $sound = $soundconf->{compat}[$_]
		2943	or next;
		2944
		2945	my $face = cf::face::find "sound/$sound->[1]";
		2946	cf::sound::set $sound->[0] => $face;
		2947	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2948	}
		2949
		2950	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2951	my $face = cf::face::find "sound/$v";
		2952	cf::sound::set $k => $face;
		2953	}
		2954	}
		2955	}
		2956
		2957	1
		2958	}
		2959
		2960	register_exticmd fx_want => sub {
		2961	my ($ns, $want) = @_;
		2962
		2963	while (my ($k, $v) = each %$want) {
		2964	$ns->fx_want ($k, $v);
		2965	}
		2966	};
		2967
		2968	sub reload_regions {
		2969	# HACK to clear player env face cache, we need some signal framework
		2970	# for this (global event?)
		2971	%ext::player_env::MUSIC_FACE_CACHE = ();
		2972
		2973	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	2974	or die "unable to load regions file\n";
2282	}
2283		2975
2284	sub cfg_load {	2976	for (cf::region::list) {
		2977	$_->{match} = qr/$_->{match}/
		2978	if exists $_->{match};
		2979	}
		2980	}
		2981
		2982	sub reload_facedata {
		2983	load_facedata "$DATADIR/facedata"
		2984	or die "unable to load facedata\n";
		2985	}
		2986
		2987	sub reload_archetypes {
		2988	load_resource_file "$DATADIR/archetypes"
		2989	or die "unable to load archetypes\n";
		2990	#d# NEED to laod twice to resolve forward references
		2991	# this really needs to be done in an extra post-pass
		2992	# (which needs to be synchronous, so solve it differently)
		2993	load_resource_file "$DATADIR/archetypes"
		2994	or die "unable to load archetypes\n";
		2995	}
		2996
		2997	sub reload_treasures {
		2998	load_resource_file "$DATADIR/treasures"
		2999	or die "unable to load treasurelists\n";
		3000	}
		3001
		3002	sub reload_resources {
		3003	warn "reloading resource files...\n";
		3004
		3005	reload_regions;
		3006	reload_facedata;
		3007	#reload_archetypes;#d#
		3008	reload_archetypes;
		3009	reload_treasures;
		3010
		3011	warn "finished reloading resource files\n";
		3012	}
		3013
		3014	sub init {
		3015	reload_resources;
		3016	}
		3017
		3018	sub reload_config {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3019	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3020	or return;
2287		3021
2288	local $/;	3022	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3023	*CFG = YAML::Syck::Load <$fh>;
2290		3024
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3032	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	3033	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	3034	};
2301	warn $@ if $@;	3035	warn $@ if $@;
2302	}	3036	}
2303	}
2304
2305	sub init {
2306	load_resources;
2307	}	3037	}
2308		3038
2309	sub main {	3039	sub main {
2310	# we must not ever block the main coroutine	3040	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3041	local $Coro::idle = sub {
…		…
2313	(async {	3043	(async {
2314	Event::one_event;	3044	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	3045	})->prio (Coro::PRIO_MAX);
2316	};	3046	};
2317		3047
2318	cfg_load;	3048	reload_config;
2319	db_load;	3049	db_init;
2320	load_extensions;	3050	load_extensions;
2321		3051
2322	$TICK_WATCHER->start;	3052	$TICK_WATCHER->start;
2323	Event::loop;	3053	Event::loop;
2324	}	3054	}
…		…
2339	},	3069	},
2340	);	3070	);
2341	}	3071	}
2342	}	3072	}
2343		3073
		3074	sub write_runtime {
		3075	my $runtime = "$LOCALDIR/runtime";
		3076
		3077	# first touch the runtime file to show we are still running:
		3078	# the fsync below can take a very very long time.
		3079
		3080	IO::AIO::aio_utime $runtime, undef, undef;
		3081
		3082	my $guard = cf::lock_acquire "write_runtime";
		3083
		3084	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3085	or return;
		3086
		3087	my $value = $cf::RUNTIME + 90 + 10;
		3088	# 10 is the runtime save interval, for a monotonic clock
		3089	# 60 allows for the watchdog to kill the server.
		3090
		3091	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3092	and return;
		3093
		3094	# always fsync - this file is important
		3095	aio_fsync $fh
		3096	and return;
		3097
		3098	# touch it again to show we are up-to-date
		3099	aio_utime $fh, undef, undef;
		3100
		3101	close $fh
		3102	or return;
		3103
		3104	aio_rename "$runtime~", $runtime
		3105	and return;
		3106
		3107	warn "runtime file written.\n";
		3108
		3109	1
		3110	}
		3111
2344	sub emergency_save() {	3112	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3113	my $freeze_guard = cf::freeze_mainloop;
2346		3114
2347	warn "enter emergency perl save\n";	3115	warn "enter emergency perl save\n";
2348		3116
…		…
2363	my $map = $cf::MAP{$path} or next;	3131	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3132	$map->valid or next;
2365	$map->save;	3133	$map->save;
2366	}	3134	}
2367	warn "end emergency map save\n";	3135	warn "end emergency map save\n";
		3136
		3137	warn "begin emergency database checkpoint\n";
		3138	BDB::db_env_txn_checkpoint $DB_ENV;
		3139	warn "end emergency database checkpoint\n";
2368	};	3140	};
2369		3141
2370	warn "leave emergency perl save\n";	3142	warn "leave emergency perl save\n";
2371	}	3143	}
2372		3144
		3145	sub post_cleanup {
		3146	my ($make_core) = @_;
		3147
		3148	warn Carp::longmess "post_cleanup backtrace"
		3149	if $make_core;
		3150	}
		3151
2373	sub reload() {	3152	sub do_reload_perl() {
2374	# can/must only be called in main	3153	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3154	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3155	warn "can only reload from main coroutine";
2377	return;	3156	return;
2378	}	3157	}
2379		3158
2380	warn "reloading...";	3159	warn "reloading...";
2381		3160
2382	warn "cancelling server ticker";	3161	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3162
		3163	cf::sync_job {
		3164	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	3165	cf::emergency_save;
		3166	cf::write_runtime; # external watchdog should not bark
2386		3167
2387	eval {	3168	warn "syncing database to disk";
		3169	BDB::db_env_txn_checkpoint $DB_ENV;
		3170
2388	# if anything goes wrong in here, we should simply crash as we already saved	3171	# if anything goes wrong in here, we should simply crash as we already saved
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392		3172
2393	warn "cancelling all WF_AUTOCANCEL watchers";	3173	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	3174	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	3175	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	3176	}
2397		3177
2398	warn "flushing outstanding aio requests";	3178	warn "flushing outstanding aio requests";
2399	for (;;) {	3179	for (;;) {
		3180	BDB::flush;
2400	IO::AIO::flush;	3181	IO::AIO::flush;
2401	Coro::cede;	3182	Coro::cede;
2402	last unless IO::AIO::nreqs;	3183	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	3184	warn "iterate...";
2404	}	3185	}
		3186
		3187	++$RELOAD;
2405		3188
2406	warn "cancelling all extension coros";	3189	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3190	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3191	%EXT_CORO = ();
2409		3192
2410	warn "removing commands";	3193	warn "removing commands";
2411	%COMMAND = ();	3194	%COMMAND = ();
2412		3195
2413	warn "removing ext commands";	3196	warn "removing ext/exti commands";
2414	%EXTCMD = ();	3197	%EXTCMD = ();
		3198	%EXTICMD = ();
2415		3199
2416	warn "unloading/nuking all extensions";	3200	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3201	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3202	warn "... unloading $pkg";
2419		3203
…		…
2449	Symbol::delete_package "safe::$_"	3233	Symbol::delete_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3234	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3235
2452	warn "unloading cf.pm \"a bit\"";	3236	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3237	delete $INC{"cf.pm"};
		3238	delete $INC{"cf/pod.pm"};
2454		3239
2455	# don't, removes xs symbols, too,	3240	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3241	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3242	#Symbol::delete_package __PACKAGE__;
2458		3243
…		…
2461	warn "reloading cf.pm";	3246	warn "reloading cf.pm";
2462	require cf;	3247	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3248	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3249
2465	warn "loading config and database again";	3250	warn "loading config and database again";
2466	cf::cfg_load;	3251	cf::reload_config;
2467	cf::db_load;
2468		3252
2469	warn "loading extensions";	3253	warn "loading extensions";
2470	cf::load_extensions;	3254	cf::load_extensions;
2471		3255
2472	warn "reattaching attachments to objects/players";	3256	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3257	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3258	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3259	reattach $_ for values %MAP;
		3260	warn "reattaching attachments to players";
		3261	reattach $_ for values %PLAYER;
2476		3262
2477	warn "loading reloadable resources";	3263	warn "leaving sync_job";
2478	load_resources;
2479		3264
2480	warn "restarting server ticker";	3265	1
2481		3266	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	3267	warn $@;
2487	warn "error while reloading, exiting.";	3268	warn "error while reloading, exiting.";
2488	exit 1;	3269	exit 1;
2489	}	3270	};
2490		3271
2491	warn "reloaded";	3272	warn "reloaded";
2492	};	3273	};
2493		3274
2494	our $RELOAD_WATCHER; # used only during reload	3275	our $RELOAD_WATCHER; # used only during reload
2495		3276
		3277	sub reload_perl() {
		3278	# doing reload synchronously and two reloads happen back-to-back,
		3279	# coro crashes during coro_state_free->destroy here.
		3280
		3281	$RELOAD_WATCHER ||= Event->timer (
		3282	reentrant => 0,
		3283	after => 0,
		3284	data => WF_AUTOCANCEL,
		3285	cb => sub {
		3286	do_reload_perl;
		3287	undef $RELOAD_WATCHER;
		3288	},
		3289	);
		3290	}
		3291
2496	register_command "reload" => sub {	3292	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3293	my ($who, $arg) = @_;
2498		3294
2499	if ($who->flag (FLAG_WIZ)) {	3295	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3296	$who->message ("reloading server.");
2501		3297	async { reload_perl };
2502	# doing reload synchronously and two reloads happen back-to-back,
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);
2514	}	3298	}
2515	};	3299	};
2516		3300
2517	unshift @INC, $LIBDIR;	3301	unshift @INC, $LIBDIR;
2518		3302
2519	my $bug_warning = 0;	3303	my $bug_warning = 0;
2520		3304
		3305	our @WAIT_FOR_TICK;
		3306	our @WAIT_FOR_TICK_BEGIN;
		3307
		3308	sub wait_for_tick {
		3309	return unless $TICK_WATCHER->is_active;
		3310	return if $Coro::current == $Coro::main;
		3311
		3312	my $signal = new Coro::Signal;
		3313	push @WAIT_FOR_TICK, $signal;
		3314	$signal->wait;
		3315	}
		3316
		3317	sub wait_for_tick_begin {
		3318	return unless $TICK_WATCHER->is_active;
		3319	return if $Coro::current == $Coro::main;
		3320
		3321	my $signal = new Coro::Signal;
		3322	push @WAIT_FOR_TICK_BEGIN, $signal;
		3323	$signal->wait;
		3324	}
		3325
		3326	my $min = 1e6;#d#
		3327	my $avg = 10;
2521	$TICK_WATCHER = Event->timer (	3328	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	3329	reentrant => 0,
2523	parked => 1,	3330	parked => 1,
2524	prio => 0,	3331	prio => 0,
2525	at => $NEXT_TICK || $TICK,	3332	at => $NEXT_TICK || $TICK,
…		…
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3336	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3337	unless ++$bug_warning > 10;
2531	return;	3338	return;
2532	}	3339	}
2533		3340
2534	$NOW = Event::time;	3341	$NOW = $tick_start = Event::time;
2535		3342
2536	cf::server_tick; # one server iteration	3343	cf::server_tick; # one server iteration
		3344
		3345	0 && sync_job {#d#
		3346	for(1..10) {
		3347	my $t = Event::time;
		3348	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3349	or die;
		3350
		3351	$map->width (50);
		3352	$map->height (50);
		3353	$map->alloc;
		3354	$map->_load_objects ("/tmp/x.map", 1);
		3355	my $t = Event::time - $t;
		3356
		3357	#next unless $t < 0.0013;#d#
		3358	if ($t < $min) {
		3359	$min = $t;
		3360	}
		3361	$avg = $avg * 0.99 + $t * 0.01;
		3362	}
		3363	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3364	exit 0;
		3365	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3366	};
		3367
2537	$RUNTIME += $TICK;	3368	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	3369	$NEXT_TICK += $TICK;
2539		3370
2540	$WAIT_FOR_TICK->broadcast;	3371	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3372	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		3373	Coro::async_pool {
2543	Event::sweep;	3374	write_runtime
2544	Coro::cede_notself;	3375	or warn "ERROR: unable to write runtime file: $!";
		3376	};
2545		3377	}
		3378
2546	# my $AFTER = Event::time;	3379	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#	3380	# warn $AFTER - $NOW;#d#
2548		3381
		3382	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3383	$sig->send;
		3384	}
		3385	while (my $sig = shift @WAIT_FOR_TICK) {
		3386	$sig->send;
		3387	}
		3388
		3389	$NOW = Event::time;
		3390
2549	# if we are delayed by four ticks or more, skip them all	3391	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3392	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2551		3393
2552	$TICK_WATCHER->at ($NEXT_TICK);	3394	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;	3395	$TICK_WATCHER->start;
		3396
		3397	$LOAD = ($NOW - $tick_start) / $TICK;
		3398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3399
		3400	_post_tick;
		3401
		3402
2554	},	3403	},
2555	);	3404	);
2556		3405
		3406	{
		3407	BDB::max_poll_time $TICK * 0.1;
		3408	$BDB_POLL_WATCHER = Event->io (
		3409	reentrant => 0,
		3410	fd => BDB::poll_fileno,
		3411	poll => 'r',
		3412	prio => 0,
		3413	data => WF_AUTOCANCEL,
		3414	cb => \&BDB::poll_cb,
		3415	);
		3416	BDB::min_parallel 8;
		3417
		3418	BDB::set_sync_prepare {
		3419	my $status;
		3420	my $current = $Coro::current;
		3421	(
		3422	sub {
		3423	$status = $!;
		3424	$current->ready; undef $current;
		3425	},
		3426	sub {
		3427	Coro::schedule while defined $current;
		3428	$! = $status;
		3429	},
		3430	)
		3431	};
		3432
		3433	unless ($DB_ENV) {
		3434	$DB_ENV = BDB::db_env_create;
		3435
		3436	cf::sync_job {
		3437	eval {
		3438	BDB::db_env_open
		3439	$DB_ENV,
		3440	$BDBDIR,
		3441	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3442	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3443	0666;
		3444
		3445	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3446
		3447	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3448	$DB_ENV->set_lk_detect;
		3449	};
		3450
		3451	cf::cleanup "db_env_open(db): $@" if $@;
		3452	};
		3453	}
		3454	}
		3455
		3456	{
		3457	IO::AIO::min_parallel 8;
		3458
		3459	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	3460	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	3461	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	3462	reentrant => 0,
		3463	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	3464	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	3465	poll => 'r',
2564	prio => 6,	3466	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	3467	cb => \&IO::AIO::poll_cb,
2567	);	3468	);
		3469	}
2568		3470
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	3471	my $_log_backtrace;
2570	reentrant => 0,	3472
2571	data => WF_AUTOCANCEL,	3473	sub _log_backtrace {
2572	after => 1,	3474	my ($msg, @addr) = @_;
2573	interval => 10,	3475
2574	prio => 6, # keep it lowest so it acts like a watchdog	3476	$msg =~ s/\n//;
2575	cb => Coro::unblock_sub {	3477
2576	write_runtime	3478	# limit the # of concurrent backtraces
2577	or warn "ERROR: unable to write runtime file: $!";	3479	if ($_log_backtrace < 2) {
		3480	++$_log_backtrace;
		3481	async {
		3482	my @bt = fork_call {
		3483	@addr = map { sprintf "%x", $_ } @addr;
		3484	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3485	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3486	or die "addr2line: $!";
		3487
		3488	my @funcs;
		3489	my @res = <$fh>;
		3490	chomp for @res;
		3491	while (@res) {
		3492	my ($func, $line) = splice @res, 0, 2, ();
		3493	push @funcs, "[$func] $line";
		3494	}
		3495
		3496	@funcs
		3497	};
		3498
		3499	LOG llevInfo, "[ABT] $msg\n";
		3500	LOG llevInfo, "[ABT] $_\n" for @bt;
		3501	--$_log_backtrace;
		3502	};
		3503	} else {
		3504	LOG llevInfo, "[ABT] $msg\n";
		3505	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	3506	}
2579	);	3507	}
		3508
		3509	# load additional modules
		3510	use cf::pod;
2580		3511
2581	END { cf::emergency_save }	3512	END { cf::emergency_save }
2582		3513
2583	1	3514	1
2584		3515

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