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/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.356 by root, Tue Sep 4 05:43:21 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	80	our $NEXT_TICK;
50	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
51		86
52	our %CFG;	87	our %CFG;
53		88
54	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	90	our $RUNTIME;
56		91
57	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		95
65	# 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 ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		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 $tick_start; # for load detecting purposes
		102
68	binmode STDOUT;	103	binmode STDOUT;
69	binmode STDERR;	104	binmode STDERR;
70		105
71	# read virtual server time, if available	106	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
76	}	111	}
77		112
78	mkdir cf::localdir;	113	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		115
84	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
85		119
86	#############################################################################	120	#############################################################################
87		121
88	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
89		123
…		…
96	=item $cf::RUNTIME	130	=item $cf::RUNTIME
97		131
98	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
99	every server tick.	133	every server tick.
100		134
101	=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
102		138
103	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
104	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.
105		143
106	=item $cf::NOW	144	=item $cf::NOW
107		145
108	The time of the last (current) server tick.	146	The time of the last (current) server tick.
109		147
110	=item $cf::TICK	148	=item $cf::TICK
111		149
112	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.
113		161
114	=item %cf::CFG	162	=item %cf::CFG
115		163
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
117	from wherever your confdir points to.	165	from wherever your confdir points to.
118		166
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		168
121	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
122	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
123	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.
124	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.
125		178
126	=back	179	=back
127		180
128	=cut	181	=cut
129		182
130	BEGIN {	183	BEGIN {
131	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	185	my $msg = join "", @_;
133	utf8::encode $msg;
134		186
135	$msg .= "\n"	187	$msg .= "\n"
136	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
137		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
138	LOG llevError, $msg;	193	LOG llevError, $msg;
139	};	194	};
140	}	195	}
141		196
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@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';
147	@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)
148		204
149	# 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
150	# within the Safe compartment.	206	# within the Safe compartment.
151	for my $pkg (qw(	207	for my $pkg (qw(
152	cf::global cf::attachable	208	cf::global cf::attachable
…		…
160	}	216	}
161		217
162	$Event::DIED = sub {	218	$Event::DIED = sub {
163	warn "error in event callback: @_";	219	warn "error in event callback: @_";
164	};	220	};
		221
		222	#############################################################################
165		223
166	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
167		225
168	=over 4	226	=over 4
169		227
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	247	$d
190	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
191	}	249	}
192		250
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
196		252
197	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
198		254
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
207		256
208	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
209		258
210	=cut	259	=cut
211		260
212	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
214	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
216		265
217	=item cf::lock_wait $string	266	=item cf::lock_wait $string
218		267
219	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
220		269
…		…
223	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
224	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,
225	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
226	returned.	275	returned.
227		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
228	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
229	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.
230		286
231	=cut	287	=cut
232		288
233	our %LOCK;	289	our %LOCK;
234		290
…		…
254	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
256	}	312	}
257	}	313	}
258		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
259	sub freeze_mainloop {	321	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
261		323
262	my $guard = Coro::guard { $TICK_WATCHER->start };	324	my $guard = Coro::guard {
		325	$TICK_WATCHER->start;
		326	};
263	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
264	$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;
265	}	385	}
266		386
267	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
268		388
269	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		394
275	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
276		396
277	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
278		398
279	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)
280	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
281	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.
282		403
283	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
284	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
285	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
286	fast or be very important.	407	fast or be very important.
…		…
289		410
290	sub sync_job(&) {	411	sub sync_job(&) {
291	my ($job) = @_;	412	my ($job) = @_;
292		413
293	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
294	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
296		419
297	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
309		432
310	while ($busy) {	433	while ($busy) {
311	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
312	}	435	}
313		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
314	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
315	} else {	445	} else {
316	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
317		447
318	$job->()	448	$job->()
…		…
337	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
338		468
339	$coro	469	$coro
340	}	470	}
341		471
342	sub write_runtime {	472	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		473
345	my $runtime = cf::localdir . "/runtime";	474	Executes the given code block with the given arguments in a seperate
		475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
346		478
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	479	=cut
348	or return;
349		480
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	481	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	482	my ($cb, @args) = @_;
352	and return;
353		483
354	aio_fsync $fh	484	# we seemingly have to make a local copy of the whole thing,
355	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (likely this will be rather laborious)
356		487
357	close $fh	488	my @res = Coro::Util::fork_eval {
358	or return;	489	reset_signals;
		490	&$cb
		491	}, @args;
359		492
360	aio_rename "$runtime~", $runtime	493	wantarray ? @res : $res[-1]
361	and return;	494	}
362		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	};
363	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 });
364	}	621	}
365		622
366	=back	623	=back
367		624
368	=cut	625	=cut
…		…
375	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")
376	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
377		634
378	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>
379	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
380	crossfire+).	637	Crossfire TRT).
381		638
382	=over 4	639	=over 4
383		640
384	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
385		642
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	757	our @CB_MAP = ();
501		758
502	my %attachment;	759	my %attachment;
503		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
504	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
506		769
507	use sort 'stable';	770	use sort 'stable';
508		771
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
543		806
544	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		811
549	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	813	my $pkg = shift @arg;
551		814
552	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
582	}	845	}
583		846
584	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
585	} else {	848	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	850	}
588		851
589	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
590	}	853	}
591		854
…		…
593	if (ref $_[0]) {	856	if (ref $_[0]) {
594	_object_attach @_;	857	_object_attach @_;
595	} else {	858	} else {
596	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
597	}	860	}
		861	_recalc_want;
598	};	862	};
599		863
600	# all those should be optimised	864	# all those should be optimised
601	sub cf::attachable::detach {	865	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
606	reattach ($obj);	870	reattach ($obj);
607	} else {	871	} else {
608	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
609	}	873	}
		874	_recalc_want;
610	};	875	};
611		876
612	sub cf::attachable::attached {	877	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
614		879
…		…
629	";	894	";
630	die if $@;	895	die if $@;
631	}	896	}
632		897
633	our $override;	898	our $override;
634	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?
635		900
636	sub override {	901	sub override {
637	$override = 1;	902	$override = 1;
638	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
639	}	904	}
640		905
641	sub do_invoke {	906	sub do_invoke {
642	my $event = shift;	907	my $event = shift;
643	my $callbacks = shift;	908	my $callbacks = shift;
644		909
645	@invoke_results = ();	910	@INVOKE_RESULTS = ();
646		911
647	local $override;	912	local $override;
648		913
649	for (@$callbacks) {	914	for (@$callbacks) {
650	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
667		932
668	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
669		934
670	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
671	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
672	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		938
674	=back	939	=back
675		940
676	=cut	941	=cut
677		942
678	#############################################################################	943	#############################################################################
679	# 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	}
680		956
681	sub reattach {	957	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		962
685	my $registry = $obj->registry;	963	my $registry = $obj->registry;
686		964
687	@$registry = ();	965	@$registry = ();
688		966
…		…
727	);	1005	);
728		1006
729	sub object_freezer_save {	1007	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1008	my ($filename, $rdata, $objs) = @_;
731		1009
		1010	my $guard = cf::lock_acquire "io";
		1011
732	sync_job {	1012	sync_job {
733	if (length $$rdata) {	1013	if (length $$rdata) {
734	warn sprintf "saving %s (%d,%d)\n",	1014	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1015	$filename, length $$rdata, scalar @$objs;
736		1016
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1017	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1018	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1019	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1020	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1021	close $fh;
742		1022
743	if (@$objs) {	1023	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1024	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1025	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1026	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1027	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1029	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1030	aio_rename "$filename.pst~", "$filename.pst";
751	}	1031	}
752	} else {	1032	} else {
753	aio_unlink "$filename.pst";	1033	aio_unlink "$filename.pst";
…		…
759	}	1039	}
760	} else {	1040	} else {
761	aio_unlink $filename;	1041	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1042	aio_unlink "$filename.pst";
763	}	1043	}
764	}	1044	};
		1045
		1046	undef $guard;
765	}	1047	}
766		1048
767	sub object_freezer_as_string {	1049	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1050	my ($rdata, $objs) = @_;
769		1051
…		…
774		1056
775	sub object_thawer_load {	1057	sub object_thawer_load {
776	my ($filename) = @_;	1058	my ($filename) = @_;
777		1059
778	my ($data, $av);	1060	my ($data, $av);
		1061
		1062	my $guard = cf::lock_acquire "io";
779		1063
780	(aio_load $filename, $data) >= 0	1064	(aio_load $filename, $data) >= 0
781	or return;	1065	or return;
782		1066
783	unless (aio_stat "$filename.pst") {	1067	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1068	(aio_load "$filename.pst", $av) >= 0
785	or return;	1069	or return;
		1070
		1071	undef $guard;
786	$av = eval { (Storable::thaw $av)->{objs} };	1072	$av = eval { (Storable::thaw $av)->{objs} };
787	}	1073	}
788		1074
789	warn sprintf "loading %s (%d)\n",	1075	warn sprintf "loading %s (%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1076	$filename, length $data, scalar @{$av || []};
		1077
791	return ($data, $av);	1078	($data, $av)
792	}	1079	}
		1080
		1081	=head2 COMMAND CALLBACKS
		1082
		1083	=over 4
		1084
		1085	=cut
793		1086
794	#############################################################################	1087	#############################################################################
795	# command handling &c	1088	# command handling &c
796		1089
797	=item cf::register_command $name => \&callback($ob,$args);	1090	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1103	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1104	}
812		1105
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1106	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1107
815	Register a callbackf ro execution when the client sends an extcmd packet.	1108	Register a callback for execution when the client sends an (synchronous)
		1109	extcmd packet. Ext commands will be processed in the order they are
		1110	received by the server, like other user commands. The first argument is
		1111	the logged-in player. Ext commands can only be processed after a player
		1112	has logged in successfully.
816		1113
817	If the callback returns something, it is sent back as if reply was being	1114	If the callback returns something, it is sent back as if reply was being
818	called.	1115	called.
819		1116
		1117	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1118
		1119	Register a callback for execution when the client sends an (asynchronous)
		1120	exticmd packet. Exti commands are processed by the server as soon as they
		1121	are received, i.e. out of order w.r.t. other commands. The first argument
		1122	is a client socket. Exti commands can be received anytime, even before
		1123	log-in.
		1124
		1125	If the callback returns something, it is sent back as if reply was being
		1126	called.
		1127
820	=cut	1128	=cut
821		1129
822	sub register_extcmd {	1130	sub register_extcmd {
823	my ($name, $cb) = @_;	1131	my ($name, $cb) = @_;
824		1132
825	$EXTCMD{$name} = $cb;	1133	$EXTCMD{$name} = $cb;
		1134	}
		1135
		1136	sub register_exticmd {
		1137	my ($name, $cb) = @_;
		1138
		1139	$EXTICMD{$name} = $cb;
826	}	1140	}
827		1141
828	cf::player->attach (	1142	cf::player->attach (
829	on_command => sub {	1143	on_command => sub {
830	my ($pl, $name, $params) = @_;	1144	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1153	cf::override;
840	},	1154	},
841	on_extcmd => sub {	1155	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1156	my ($pl, $buf) = @_;
843		1157
844	my $msg = eval { from_json $buf };	1158	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1159
846	if (ref $msg) {	1160	if (ref $msg) {
		1161	my ($type, $reply, @payload) =
		1162	"ARRAY" eq ref $msg
		1163	? @$msg
		1164	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1165
		1166	my @reply;
		1167
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1168	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1169	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1170	}
		1171
		1172	$pl->ext_reply ($reply, @reply)
		1173	if $reply;
		1174
852	} else {	1175	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1176	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1177	}
855		1178
856	cf::override;	1179	cf::override;
857	},	1180	},
858	);	1181	);
859		1182
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1183	sub load_extensions {
		1184	cf::sync_job {
		1185	my %todo;
		1186
895	for my $ext (<$LIBDIR/*.ext>) {	1187	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1188	next unless -r $path;
897	eval {	1189
898	load_extension $ext;	1190	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1191	my $base = $1;
		1192	my $pkg = $1;
		1193	$pkg =~ s/[^[:word:]]/_/g;
		1194	$pkg = "ext::$pkg";
		1195
		1196	open my $fh, "<:utf8", $path
		1197	or die "$path: $!";
		1198
		1199	my $source = do { local $/; <$fh> };
		1200
		1201	my %ext = (
		1202	path => $path,
		1203	base => $base,
		1204	pkg => $pkg,
		1205	);
		1206
		1207	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1208	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1209
		1210	$ext{source} =
		1211	"package $pkg; use strict; use utf8;\n"
		1212	. "#line 1 \"$path\"\n{\n"
		1213	. $source
		1214	. "\n};\n1";
		1215
		1216	$todo{$base} = \%ext;
		1217	}
		1218
		1219	my %done;
		1220	while (%todo) {
		1221	my $progress;
		1222
		1223	while (my ($k, $v) = each %todo) {
		1224	for (split /,\s*/, $v->{meta}{depends}) {
		1225	goto skip
		1226	unless exists $done{$_};
		1227	}
		1228
		1229	warn "... loading '$k' into '$v->{pkg}'\n";
		1230
		1231	unless (eval $v->{source}) {
		1232	my $msg = $@ ? "$v->{path}: $@\n"
		1233	: "$v->{base}: extension inactive.\n";
		1234
		1235	if (exists $v->{meta}{mandatory}) {
		1236	warn $msg;
		1237	warn "mandatory extension failed to load, exiting.\n";
		1238	exit 1;
		1239	}
		1240
		1241	warn $msg;
		1242	}
		1243
		1244	$done{$k} = delete $todo{$k};
		1245	push @EXTS, $v->{pkg};
		1246	$progress = 1;
899	1	1247	}
900	} or warn "$ext not loaded: $@";	1248
		1249	skip:
		1250	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1251	unless $progress;
		1252	}
901	}	1253	};
902	}	1254	}
903		1255
904	#############################################################################	1256	#############################################################################
905	# load/save/clean perl data associated with a map
906		1257
907	*cf::mapsupport::on_clean = sub {	1258	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1259
920	=head2 CORE EXTENSIONS	1260	=head2 CORE EXTENSIONS
921		1261
922	Functions and methods that extend core crossfire objects.	1262	Functions and methods that extend core crossfire objects.
923		1263
…		…
936	Returns the given player object, loading it if necessary (might block).	1276	Returns the given player object, loading it if necessary (might block).
937		1277
938	=cut	1278	=cut
939		1279
940	sub playerdir($) {	1280	sub playerdir($) {
941	cf::localdir	1281	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1282	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1283	}
947		1284
948	sub path($) {	1285	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1286	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1287
951	(playerdir $login) . "/$login.pl"	1288	(playerdir $login) . "/playerdata"
952	}	1289	}
953		1290
954	sub find_active($) {	1291	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1292	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1293	and $cf::PLAYER{$_[0]}->active
…		…
959		1296
960	sub exists($) {	1297	sub exists($) {
961	my ($login) = @_;	1298	my ($login) = @_;
962		1299
963	$cf::PLAYER{$login}	1300	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1301	or cf::sync_job { !aio_stat path $login }
965	}	1302	}
966		1303
967	sub find($) {	1304	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1305	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1306	my $login = $_[0];
970		1307
971	my $guard = cf::lock_acquire "user_find:$login";	1308	my $guard = cf::lock_acquire "user_find:$login";
972		1309
973	$cf::PLAYER{$_[0]} || do {	1310	$cf::PLAYER{$_[0]} || do {
974	my $pl = load_pl path $login	1311	# rename old playerfiles to new ones
		1312	#TODO: remove when no longer required
		1313	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1314	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1315	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1316	aio_unlink +(playerdir $login) . "/$login.pl";
		1317
		1318	my $f = new_from_file cf::object::thawer path $login
975	or return;	1319	or return;
		1320
		1321	$f->next;
		1322	my $pl = cf::player::load_pl $f
		1323	or return;
		1324	local $cf::PLAYER_LOADING{$login} = $pl;
		1325	$f->resolve_delayed_derefs;
976	$cf::PLAYER{$login} = $pl	1326	$cf::PLAYER{$login} = $pl
977	}	1327	}
978	}	1328	}
979	}	1329	}
980		1330
…		…
990		1340
991	aio_mkdir playerdir $pl, 0770;	1341	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1342	$pl->{last_save} = $cf::RUNTIME;
993		1343
994	$pl->save_pl ($path);	1344	$pl->save_pl ($path);
995	Coro::cede;	1345	cf::cede_to_tick;
996	}	1346	}
997		1347
998	sub new($) {	1348	sub new($) {
999	my ($login) = @_;	1349	my ($login) = @_;
1000		1350
…		…
1006	$cf::PLAYER{$login} = $self;	1356	$cf::PLAYER{$login} = $self;
1007		1357
1008	$self	1358	$self
1009	}	1359	}
1010		1360
		1361	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1362
		1363	=cut
		1364
		1365	sub send_msg {
		1366	my $ns = shift->ns
		1367	or return;
		1368	$ns->send_msg (@_);
		1369	}
		1370
1011	=item $pl->quit_character	1371	=item $pl->quit_character
1012		1372
1013	Nukes the player without looking back. If logged in, the connection will	1373	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1374	be destroyed. May block for a long time.
1015		1375
1016	=cut	1376	=cut
1017		1377
1018	sub quit_character {	1378	sub quit_character {
1019	my ($pl) = @_;	1379	my ($pl) = @_;
		1380
		1381	my $name = $pl->ob->name;
1020		1382
1021	$pl->{deny_save} = 1;	1383	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1384	$pl->password ("*"); # this should lock out the player until we nuked the dir
1023		1385
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1391	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1392	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1393	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1394	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1395	$pl->destroy;
		1396
		1397	my $prefix = qr<^~\Q$name\E/>;
		1398
		1399	# nuke player maps
		1400	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1401
1034	IO::AIO::aio_rmtree $temp;	1402	IO::AIO::aio_rmtree $temp;
		1403	}
		1404
		1405	=item $pl->kick
		1406
		1407	Kicks a player out of the game. This destroys the connection.
		1408
		1409	=cut
		1410
		1411	sub kick {
		1412	my ($pl, $kicker) = @_;
		1413
		1414	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1415	$pl->killer ("kicked");
		1416	$pl->ns->destroy;
1035	}	1417	}
1036		1418
1037	=item cf::player::list_logins	1419	=item cf::player::list_logins
1038		1420
1039	Returns am arrayref of all valid playernames in the system, can take a	1421	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1422	while and may block, so not sync_job-capable, ever.
1041		1423
1042	=cut	1424	=cut
1043		1425
1044	sub list_logins {	1426	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1427	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1428	or return [];
1047		1429
1048	my @logins;	1430	my @logins;
1049		1431
1050	for my $login (@$dirs) {	1432	for my $login (@$dirs) {
		1433	my $path = path $login;
		1434
		1435	# a .pst is a dead give-away for a valid player
		1436	unless (-e "$path.pst") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1437	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1438	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1439	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1440	}
1054		1441
1055	utf8::decode $login;	1442	utf8::decode $login;
1056	push @logins, $login;	1443	push @logins, $login;
1057	}	1444	}
1058		1445
…		…
1066		1453
1067	=cut	1454	=cut
1068		1455
1069	sub maps($) {	1456	sub maps($) {
1070	my ($pl) = @_;	1457	my ($pl) = @_;
		1458
		1459	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1460
1072	my $files = aio_readdir playerdir $pl	1461	my $files = aio_readdir playerdir $pl
1073	or return;	1462	or return;
1074		1463
1075	my @paths;	1464	my @paths;
…		…
1077	for (@$files) {	1466	for (@$files) {
1078	utf8::decode $_;	1467	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1468	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1469	next unless /^$PATH_SEP/o;
1081		1470
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1471	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1472	}
1084		1473
1085	\@paths	1474	\@paths
1086	}	1475	}
1087		1476
		1477	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1478
		1479	Expand crossfire pod fragments into protocol xml.
		1480
		1481	=cut
		1482
		1483	sub expand_cfpod {
		1484	((my $self), (local $_)) = @_;
		1485
		1486	# escape & and <
		1487	s/&/&amp;/g;
		1488	s/(?<![BIUGHT])</&lt;/g;
		1489
		1490	# this is buggy, it needs to properly take care of nested <'s
		1491
		1492	1 while
		1493	# replace B<>, I<>, U<> etc.
		1494	s/B<([^\>]*)>/<b>$1<\/b>/
		1495	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1496	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1497	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1089		1529
1090	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1091		1531
1092	=cut	1532	=cut
1093		1533
1094	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1096		1536
1097	$msg{msgid} = $id;	1537	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1538	}
1101		1539
1102	package cf;	1540	=item $player->ext_msg ($type, @msg)
		1541
		1542	Sends an ext event to the client.
		1543
		1544	=cut
		1545
		1546	sub ext_msg($$@) {
		1547	my ($self, $type, @msg) = @_;
		1548
		1549	$self->ns->ext_msg ($type, @msg);
		1550	}
		1551
		1552	=head3 cf::region
		1553
		1554	=over 4
		1555
		1556	=cut
		1557
		1558	package cf::region;
		1559
		1560	=item cf::region::find_by_path $path
		1561
		1562	Tries to decuce the likely region for a map knowing only its path.
		1563
		1564	=cut
		1565
		1566	sub find_by_path($) {
		1567	my ($path) = @_;
		1568
		1569	my ($match, $specificity);
		1570
		1571	for my $region (list) {
		1572	if ($region->{match} && $path =~ $region->{match}) {
		1573	($match, $specificity) = ($region, $region->specificity)
		1574	if $region->specificity > $specificity;
		1575	}
		1576	}
		1577
		1578	$match
		1579	}
1103		1580
1104	=back	1581	=back
1105
1106		1582
1107	=head3 cf::map	1583	=head3 cf::map
1108		1584
1109	=over 4	1585	=over 4
1110		1586
…		…
1114		1590
1115	use Fcntl;	1591	use Fcntl;
1116	use Coro::AIO;	1592	use Coro::AIO;
1117		1593
1118	use overload	1594	use overload
1119	'""' => \&as_string;	1595	'""' => \&as_string,
		1596	fallback => 1;
1120		1597
1121	our $MAX_RESET = 3600;	1598	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1599	our $DEFAULT_RESET = 3000;
1123		1600
1124	sub generate_random_map {	1601	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1602	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1603	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1604	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1605	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1606	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1607	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1614	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1615	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1616	)
1141	}	1617	}
1142		1618
		1619	=item cf::map->register ($regex, $prio)
		1620
		1621	Register a handler for the map path matching the given regex at the
		1622	givne priority (higher is better, built-in handlers have priority 0, the
		1623	default).
		1624
		1625	=cut
		1626
1143	sub register {	1627	sub register {
1144	my (undef, $regex) = @_;	1628	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1629	my $pkg = caller;
1146		1630
1147	no strict;	1631	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1632	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1633
1150	$EXT_MAP{$pkg} = qr<$regex>;	1634	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1635	}
1152		1636
1153	# also paths starting with '/'	1637	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1638	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1639
		1640	sub thawer_merge {
		1641	my ($self, $merge) = @_;
		1642
		1643	# we have to keep some variables in memory intact
		1644	local $self->{path};
		1645	local $self->{load_path};
		1646
		1647	$self->SUPER::thawer_merge ($merge);
		1648	}
1155		1649
1156	sub normalise {	1650	sub normalise {
1157	my ($path, $base) = @_;	1651	my ($path, $base) = @_;
		1652
		1653	$path = "$path"; # make sure its a string
		1654
		1655	$path =~ s/\.map$//;
1158		1656
1159	# map plan:	1657	# map plan:
1160	#	1658	#
1161	# /! non-realised random map exit (special hack!)	1659	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1660	# {... are special paths that are not being touched
…		…
1190		1688
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1689	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1690
1193	$path = normalise $path, $base;	1691	$path = normalise $path, $base;
1194		1692
1195	for my $pkg (keys %EXT_MAP) {	1693	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1694	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1695	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1696	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1697	$self->init; # pass $1 etc.
1200	return $self;	1698	return $self;
1201	}	1699	}
1202	}	1700	}
1203		1701
1204	Carp::carp "unable to resolve path '$path'.";	1702	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1703	()
1206	}	1704	}
1207		1705
1208	sub init {	1706	sub init {
1209	my ($self) = @_;	1707	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1718	# the displayed name, this is a one way mapping
1221	sub visible_name {	1719	sub visible_name {
1222	&as_string	1720	&as_string
1223	}	1721	}
1224		1722
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1723	# the original (read-only) location
1233	sub load_path {	1724	sub load_path {
1234	my ($self) = @_;	1725	my ($self) = @_;
1235		1726
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1727	"$MAPDIR/$self->{path}.map"
1237	}	1728	}
1238		1729
1239	# the temporary/swap location	1730	# the temporary/swap location
1240	sub save_path {	1731	sub save_path {
1241	my ($self) = @_;	1732	my ($self) = @_;
1242		1733
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1734	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1735	"$TMPDIR/$path.map"
1244	}	1736	}
1245		1737
1246	# the unique path, undef == no special unique path	1738	# the unique path, undef == no special unique path
1247	sub uniq_path {	1739	sub uniq_path {
1248	my ($self) = @_;	1740	my ($self) = @_;
1249		1741
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1743	"$UNIQUEDIR/$path"
1251	}	1744	}
1252		1745
1253	# and all this just because we cannot iterate over	1746	# and all this just because we cannot iterate over
1254	# all maps in C++...	1747	# all maps in C++...
1255	sub change_all_map_light {	1748	sub change_all_map_light {
…		…
1257		1750
1258	$_->change_map_light ($change)	1751	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1752	for grep $_->outdoor, values %cf::MAP;
1260	}	1753	}
1261		1754
		1755	sub decay_objects {
		1756	my ($self) = @_;
		1757
		1758	return if $self->{deny_reset};
		1759
		1760	$self->do_decay_objects;
		1761	}
		1762
1262	sub unlink_save {	1763	sub unlink_save {
1263	my ($self) = @_;	1764	my ($self) = @_;
1264		1765
1265	utf8::encode (my $save = $self->save_path);	1766	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1767	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1768	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1769	}
1269		1770
1270	sub load_header_from($) {	1771	sub load_header_from($) {
1271	my ($self, $path) = @_;	1772	my ($self, $path) = @_;
1272		1773
1273	utf8::encode $path;	1774	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1775	my $f = new_from_file cf::object::thawer $path
1275	or return;	1776	or return;
1276		1777
1277	$self->_load_header ($path)	1778	$self->_load_header ($f)
1278	or return;	1779	or return;
1279		1780
		1781	local $MAP_LOADING{$self->{path}} = $self;
		1782	$f->resolve_delayed_derefs;
		1783
1280	$self->{load_path} = $path;	1784	$self->{load_path} = $path;
1281		1785
1282	1	1786	1
1283	}	1787	}
1284		1788
1285	sub load_orig {	1789	sub load_header_orig {
1286	my ($self) = @_;	1790	my ($self) = @_;
1287		1791
1288	$self->load_header_from ($self->load_path)	1792	$self->load_header_from ($self->load_path)
1289	}	1793	}
1290		1794
1291	sub load_temp {	1795	sub load_header_temp {
1292	my ($self) = @_;	1796	my ($self) = @_;
1293		1797
1294	$self->load_header_from ($self->save_path)	1798	$self->load_header_from ($self->save_path)
		1799	}
		1800
		1801	sub prepare_temp {
		1802	my ($self) = @_;
		1803
		1804	$self->last_access ((delete $self->{last_access})
		1805	|| $cf::RUNTIME); #d#
		1806	# safety
		1807	$self->{instantiate_time} = $cf::RUNTIME
		1808	if $self->{instantiate_time} > $cf::RUNTIME;
		1809	}
		1810
		1811	sub prepare_orig {
		1812	my ($self) = @_;
		1813
		1814	$self->{load_original} = 1;
		1815	$self->{instantiate_time} = $cf::RUNTIME;
		1816	$self->last_access ($cf::RUNTIME);
		1817	$self->instantiate;
1295	}	1818	}
1296		1819
1297	sub load_header {	1820	sub load_header {
1298	my ($self) = @_;	1821	my ($self) = @_;
1299		1822
1300	if ($self->load_temp) {	1823	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1824	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1825	} else {
1307	$self->load_orig	1826	$self->load_header_orig
1308	or return;	1827	or return;
1309		1828	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1829	}
		1830
		1831	$self->{deny_reset} = 1
		1832	if $self->no_reset;
		1833
		1834	$self->default_region (cf::region::find_by_path $self->{path})
		1835	unless $self->default_region;
1315		1836
1316	1	1837	1
1317	}	1838	}
1318		1839
1319	sub find;	1840	sub find;
…		…
1332	$map->{last_save} = $cf::RUNTIME;	1853	$map->{last_save} = $cf::RUNTIME;
1333		1854
1334	$map->load_header	1855	$map->load_header
1335	or return;	1856	or return;
1336		1857
1337	if ($map->should_reset) {	1858	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1859	# doing this can freeze the server in a sync job, obviously
		1860	#$cf::WAIT_FOR_TICK->wait;
1338	$map->reset;	1861	$map->reset;
1339	undef $guard;	1862	undef $guard;
1340	$map = find $path	1863	return find $path;
1341	or return;
1342	}	1864	}
1343		1865
1344	$cf::MAP{$path} = $map	1866	$cf::MAP{$path} = $map
1345	}	1867	}
1346	}	1868	}
		1869
		1870	sub pre_load { }
		1871	sub post_load { }
1347		1872
1348	sub load {	1873	sub load {
1349	my ($self) = @_;	1874	my ($self) = @_;
1350		1875
		1876	local $self->{deny_reset} = 1; # loading can take a long time
		1877
1351	my $path = $self->{path};	1878	my $path = $self->{path};
		1879
		1880	{
		1881	my $guard1 = cf::lock_acquire "map_data:$path";
1352	my $guard = cf::lock_acquire "map_load:$path";	1882	my $guard2 = cf::lock_acquire "map_load:$path";
1353		1883
1354	return if $self->in_memory != cf::MAP_SWAPPED;	1884	return if $self->in_memory != cf::MAP_SWAPPED;
1355		1885
1356	$self->in_memory (cf::MAP_LOADING);	1886	$self->in_memory (cf::MAP_LOADING);
1357		1887
1358	$self->alloc;	1888	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)	1889
		1890	$self->pre_load;
		1891	cf::cede_to_tick;
		1892
		1893	my $f = new_from_file cf::object::thawer $self->{load_path};
		1894	$f->skip_block;
		1895	$self->_load_objects ($f)
1360	or return;	1896	or return;
1361		1897
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363	if delete $self->{load_original};	1899	if delete $self->{load_original};
1364		1900
1365	if (my $uniq = $self->uniq_path) {	1901	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	1902	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	1903	unless (aio_stat $uniq) {
		1904	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	1905	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	1906	$self->_load_objects ($f);
		1907	$f->resolve_delayed_derefs;
		1908	}
1370	}	1909	}
1371	}	1910	}
1372		1911
1373	Coro::cede;	1912	$f->resolve_delayed_derefs;
1374		1913
		1914	cf::cede_to_tick;
1375	# now do the right thing for maps	1915	# now do the right thing for maps
1376	$self->link_multipart_objects;	1916	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1917	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1918	unless $self->difficulty;
1386	Coro::cede;	1919	cf::cede_to_tick;
		1920
		1921	unless ($self->{deny_activate}) {
		1922	$self->decay_objects;
		1923	$self->fix_auto_apply;
		1924	$self->update_buttons;
		1925	cf::cede_to_tick;
		1926	$self->set_darkness_map;
		1927	cf::cede_to_tick;
1387	$self->activate;	1928	$self->activate;
1388	}	1929	}
1389		1930
		1931	$self->{last_save} = $cf::RUNTIME;
		1932	$self->last_access ($cf::RUNTIME);
		1933
1390	$self->in_memory (cf::MAP_IN_MEMORY);	1934	$self->in_memory (cf::MAP_IN_MEMORY);
		1935	}
		1936
		1937	$self->post_load;
1391	}	1938	}
1392		1939
1393	sub customise_for {	1940	sub customise_for {
1394	my ($self, $ob) = @_;	1941	my ($self, $ob) = @_;
1395		1942
1396	return find "~" . $ob->name . "/" . $self->{path}	1943	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	1944	if $self->per_player;
1398		1945
		1946	# return find "?party/" . $ob->name . "/" . $self->{path}
		1947	# if $self->per_party;
		1948
1399	$self	1949	$self
1400	}	1950	}
1401		1951
1402	# find and load all maps in the 3x3 area around a map	1952	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	1953	sub load_neighbours {
1404	my ($map) = @_;	1954	my ($map) = @_;
1405		1955
1406	my @diag; # diagonal neighbours	1956	my @neigh; # diagonal neighbours
1407		1957
1408	for (0 .. 3) {	1958	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	1959	my $neigh = $map->tile_path ($_)
1410	or next;	1960	or next;
1411	$neigh = find $neigh, $map	1961	$neigh = find $neigh, $map
1412	or next;	1962	or next;
1413	$neigh->load;	1963	$neigh->load;
1414		1964
		1965	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1966	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1967	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	1968	}
1418		1969
1419	for (@diag) {	1970	for (grep defined $_->[0], @neigh) {
		1971	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	1972	my $neigh = find $path, $origin
1421	or next;	1973	or next;
1422	$neigh->load;	1974	$neigh->load;
1423	}	1975	}
1424	}	1976	}
1425		1977
…		…
1430	}	1982	}
1431		1983
1432	sub do_load_sync {	1984	sub do_load_sync {
1433	my ($map) = @_;	1985	my ($map) = @_;
1434		1986
		1987	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1988	if $Coro::current == $Coro::main;
		1989
1435	cf::sync_job { $map->load };	1990	cf::sync_job { $map->load };
1436	}	1991	}
1437		1992
1438	our %MAP_PREFETCH;	1993	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	1994	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		1995
1452	sub find_async {	1996	sub find_async {
1453	my ($path, $origin) = @_;	1997	my ($path, $origin, $load) = @_;
1454		1998
1455	$path = normalise $path, $origin && $origin->{path};	1999	$path = normalise $path, $origin && $origin->{path};
1456		2000
1457	if (my $map = $cf::MAP{$path}) {	2001	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2002	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2003	}
		2004
		2005	$MAP_PREFETCH{$path} |= $load;
		2006
		2007	$MAP_PREFETCHER ||= cf::async {
		2008	while (%MAP_PREFETCH) {
		2009	while (my ($k, $v) = each %MAP_PREFETCH) {
		2010	if (my $map = find $k) {
		2011	$map->load if $v;
		2012	}
		2013
		2014	delete $MAP_PREFETCH{$k};
		2015	}
		2016	}
		2017	undef $MAP_PREFETCHER;
1459	}	2018	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2019	$MAP_PREFETCHER->prio (6);
1463		2020
1464	()	2021	()
1465	}	2022	}
1466		2023
1467	sub save {	2024	sub save {
1468	my ($self) = @_;	2025	my ($self) = @_;
1469		2026
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2027	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2028
1472	$self->{last_save} = $cf::RUNTIME;	2029	$self->{last_save} = $cf::RUNTIME;
1473		2030
1474	return unless $self->dirty;	2031	return unless $self->dirty;
1475		2032
…		…
1498	my ($self) = @_;	2055	my ($self) = @_;
1499		2056
1500	# save first because save cedes	2057	# save first because save cedes
1501	$self->save;	2058	$self->save;
1502		2059
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2061
1505	return if $self->players;	2062	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2063	return if $self->in_memory != cf::MAP_IN_MEMORY;
1507	return if $self->{deny_save};	2064	return if $self->{deny_save};
1508		2065
…		…
1512		2069
1513	sub reset_at {	2070	sub reset_at {
1514	my ($self) = @_;	2071	my ($self) = @_;
1515		2072
1516	# TODO: safety, remove and allow resettable per-player maps	2073	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2074	return 1e99 if $self->{deny_reset};
1519		2075
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2076	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2077	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2078
…		…
1527	my ($self) = @_;	2083	my ($self) = @_;
1528		2084
1529	$self->reset_at <= $cf::RUNTIME	2085	$self->reset_at <= $cf::RUNTIME
1530	}	2086	}
1531		2087
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2088	sub reset {
1547	my ($self) = @_;	2089	my ($self) = @_;
1548		2090
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2091	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2092
1551	return if $self->players;	2093	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2094
1554	warn "resetting map ", $self->path;#d#	2095	warn "resetting map ", $self->path;
		2096
		2097	$self->in_memory (cf::MAP_SWAPPED);
		2098
		2099	# need to save uniques path
		2100	unless ($self->{deny_save}) {
		2101	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2102
		2103	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2104	if $uniq;
		2105	}
1555		2106
1556	delete $cf::MAP{$self->path};	2107	delete $cf::MAP{$self->path};
		2108
		2109	$self->clear;
1557		2110
1558	$_->clear_links_to ($self) for values %cf::MAP;	2111	$_->clear_links_to ($self) for values %cf::MAP;
1559		2112
1560	$self->unlink_save;	2113	$self->unlink_save;
1561	$self->destroy;	2114	$self->destroy;
…		…
1564	my $nuke_counter = "aaaa";	2117	my $nuke_counter = "aaaa";
1565		2118
1566	sub nuke {	2119	sub nuke {
1567	my ($self) = @_;	2120	my ($self) = @_;
1568		2121
		2122	{
		2123	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2124
		2125	delete $cf::MAP{$self->path};
		2126
		2127	$self->unlink_save;
		2128
		2129	bless $self, "cf::map";
		2130	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2131	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2132	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2133	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2134
		2135	$cf::MAP{$self->path} = $self;
		2136	}
		2137
1572	$self->reset; # polite request, might not happen	2138	$self->reset; # polite request, might not happen
		2139	}
		2140
		2141	=item $maps = cf::map::tmp_maps
		2142
		2143	Returns an arrayref with all map paths of currently instantiated and saved
		2144	maps. May block.
		2145
		2146	=cut
		2147
		2148	sub tmp_maps() {
		2149	[
		2150	map {
		2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise $_
		2154	: ()
		2155	} @{ aio_readdir $TMPDIR or [] }
		2156	]
		2157	}
		2158
		2159	=item $maps = cf::map::random_maps
		2160
		2161	Returns an arrayref with all map paths of currently instantiated and saved
		2162	random maps. May block.
		2163
		2164	=cut
		2165
		2166	sub random_maps() {
		2167	[
		2168	map {
		2169	utf8::decode $_;
		2170	/\.map$/
		2171	? normalise "?random/$_"
		2172	: ()
		2173	} @{ aio_readdir $RANDOMDIR or [] }
		2174	]
1573	}	2175	}
1574		2176
1575	=item cf::map::unique_maps	2177	=item cf::map::unique_maps
1576		2178
1577	Returns an arrayref of paths of all shared maps that have	2179	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2180	instantiated unique items. May block.
1579		2181
1580	=cut	2182	=cut
1581		2183
1582	sub unique_maps() {	2184	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2185	[
1584	or return;	2186	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2187	utf8::decode $_;
1590	next if /\.pst$/;	2188	/\.map$/
1591	next unless /^$PATH_SEP/o;	2189	? normalise $_
1592		2190	: ()
1593	push @paths, $_;	2191	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2192	]
1595
1596	\@paths
1597	}	2193	}
1598		2194
1599	package cf;	2195	package cf;
1600		2196
1601	=back	2197	=back
…		…
1619	map { $_, inv_recursive_ $_->inv } @_	2215	map { $_, inv_recursive_ $_->inv } @_
1620	}	2216	}
1621		2217
1622	sub inv_recursive {	2218	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2219	inv_recursive_ inv $_[0]
		2220	}
		2221
		2222	=item $ref = $ob->ref
		2223
		2224	creates and returns a persistent reference to an objetc that can be stored as a string.
		2225
		2226	=item $ob = cf::object::deref ($refstring)
		2227
		2228	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2229	even if the object actually exists. May block.
		2230
		2231	=cut
		2232
		2233	sub deref {
		2234	my ($ref) = @_;
		2235
		2236	# temporary compatibility#TODO#remove
		2237	$ref =~ s{^<}{player/<};
		2238
		2239	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2240	my ($uuid, $name) = ($1, $2);
		2241	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2242	or return;
		2243	$pl->ob->uuid eq $uuid
		2244	or return;
		2245
		2246	$pl->ob
		2247	} else {
		2248	warn "$ref: cannot resolve object reference\n";
		2249	undef
		2250	}
1624	}	2251	}
1625		2252
1626	package cf;	2253	package cf;
1627		2254
1628	=back	2255	=back
…		…
1647		2274
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2275	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2276
1650	if ($self->{record_replies}) {	2277	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2278	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2279
1652	} else {	2280	} else {
		2281	my $pl = $self->contr;
		2282
		2283	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2284	my $dialog = $pl->{npc_dialog};
		2285	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2286
		2287	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2288	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2289	$self->message ($msg, $flags);
		2290	}
1655	}	2291	}
		2292	}
		2293
		2294	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2295
		2296	=cut
		2297
		2298	sub cf::object::send_msg {
		2299	my $pl = shift->contr
		2300	or return;
		2301	$pl->send_msg (@_);
1656	}	2302	}
1657		2303
1658	=item $player_object->may ("access")	2304	=item $player_object->may ("access")
1659		2305
1660	Returns wether the given player is authorized to access resource "access"	2306	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2338	=cut
1693		2339
1694	sub link_map {	2340	sub link_map {
1695	unless ($LINK_MAP) {	2341	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2342	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2343	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2344	$LINK_MAP->load;
1699	}	2345	}
1700		2346
1701	$LINK_MAP	2347	$LINK_MAP
1702	}	2348	}
…		…
1707	$self->deactivate_recursive;	2353	$self->deactivate_recursive;
1708		2354
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2355	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2356
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2357	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2358	if $self->map && $self->map->{path} ne "{link}";
1713		2359
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2360	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2361	}
1716		2362
1717	sub cf::object::player::leave_link {	2363	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2364	my ($self, $map, $x, $y) = @_;
		2365
		2366	return unless $self->contr->active;
1719		2367
1720	my $link_pos = delete $self->{_link_pos};	2368	my $link_pos = delete $self->{_link_pos};
1721		2369
1722	unless ($map) {	2370	unless ($map) {
1723	# restore original map position	2371	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2385	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2386	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2387	if $x <=0 && $y <= 0;
1740		2388
1741	$map->load;	2389	$map->load;
1742	$map->load_diag;	2390	$map->load_neighbours;
1743		2391
1744	return unless $self->contr->active;	2392	return unless $self->contr->active;
1745	$self->activate_recursive;	2393	$self->activate_recursive;
		2394
		2395	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2396	$self->enter_map ($map, $x, $y);
1747	}	2397	}
1748		2398
1749	cf::player->attach (	2399	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2400
1753	# abort map switching before logout	2401	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2402	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2403	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2404	the new (success) or old (failed) map position. In either case, $done will
1757	};	2405	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2406
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2407	=cut
		2408
		2409	our $GOTOGEN;
1784		2410
1785	sub cf::object::player::goto {	2411	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2412	my ($self, $path, $x, $y, $check, $done) = @_;
		2413
		2414	# do generation counting so two concurrent goto's will be executed in-order
		2415	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2416
1788	$self->enter_link;	2417	$self->enter_link;
1789		2418
1790	(async {	2419	(async {
		2420	my $map = eval {
1791	my $map = cf::map::find $path;	2421	my $map = cf::map::find $path;
		2422
		2423	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2424	$map = $map->customise_for ($self);
1793		2425	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2426	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2427	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2428	}
1798		2429
		2430	$map
		2431	};
		2432
		2433	if ($@) {
		2434	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2435	LOG llevError | logBacktrace, Carp::longmess $@;
		2436	}
		2437
		2438	if ($gen == $self->{_goto_generation}) {
		2439	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2440	$self->leave_link ($map, $x, $y);
		2441	}
		2442
		2443	$done->() if $done;
1800	})->prio (1);	2444	})->prio (1);
1801	}	2445	}
1802		2446
1803	=item $player_object->enter_exit ($exit_object)	2447	=item $player_object->enter_exit ($exit_object)
1804		2448
…		…
1806		2450
1807	sub parse_random_map_params {	2451	sub parse_random_map_params {
1808	my ($spec) = @_;	2452	my ($spec) = @_;
1809		2453
1810	my $rmp = { # defaults	2454	my $rmp = { # defaults
1811	xsize => 10,	2455	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2456	ysize => (cf::rndm 15, 40),
		2457	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2458	#layout => string,
1813	};	2459	};
1814		2460
1815	for (split /\n/, $spec) {	2461	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2462	my ($k, $v) = split /\s+/, $_, 2;
1817		2463
…		…
1821	$rmp	2467	$rmp
1822	}	2468	}
1823		2469
1824	sub prepare_random_map {	2470	sub prepare_random_map {
1825	my ($exit) = @_;	2471	my ($exit) = @_;
		2472
		2473	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2474
1827	# all this does is basically replace the /! path by	2475	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2476	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2477	# that depends on the exit object
1830		2478
1831	my $rmp = parse_random_map_params $exit->msg;	2479	my $rmp = parse_random_map_params $exit->msg;
1832		2480
1833	if ($exit->map) {	2481	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2482	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2483	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2484	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2485	$rmp->{origin_y} = $exit->y;
1838	}	2486	}
1839		2487
1840	$rmp->{random_seed} ||= $exit->random_seed;	2488	$rmp->{random_seed} ||= $exit->random_seed;
1841		2489
1842	my $data = cf::to_json $rmp;	2490	my $data = cf::to_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2491	my $md5 = Digest::MD5::md5_hex $data;
		2492	my $meta = "$RANDOMDIR/$md5.meta";
1844		2493
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2494	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2495	aio_write $fh, 0, (length $data), $data, 0;
		2496	undef $fh;
		2497	aio_rename "$meta~", $meta;
1847		2498
1848	$exit->slaying ("?random/$md5");	2499	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2500	$exit->msg (undef);
1850	}	2501	}
1851	}	2502	}
…		…
1853	sub cf::object::player::enter_exit {	2504	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2505	my ($self, $exit) = @_;
1855		2506
1856	return unless $self->type == cf::PLAYER;	2507	return unless $self->type == cf::PLAYER;
1857		2508
		2509	if ($exit->slaying eq "/!") {
		2510	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2511	# the problem is that $exit might not survive long enough
		2512	# so it needs to be done right now, right here
		2513	cf::sync_job { prepare_random_map $exit };
		2514	}
		2515
		2516	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2517	my $hp = $exit->stats->hp;
		2518	my $sp = $exit->stats->sp;
		2519
1858	$self->enter_link;	2520	$self->enter_link;
		2521
		2522	# if exit is damned, update players death & WoR home-position
		2523	$self->contr->savebed ($slaying, $hp, $sp)
		2524	if $exit->flag (FLAG_DAMNED);
1859		2525
1860	(async {	2526	(async {
1861	$self->deactivate_recursive; # just to be sure	2527	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2528	unless (eval {
1863	prepare_random_map $exit	2529	$self->goto ($slaying, $hp, $sp);
1864	if $exit->slaying eq "/!";
1865
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1868		2530
1869	1;	2531	1;
1870	}) {	2532	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2533	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2534	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2535	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2536	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2537
1876	warn "ERROR in enter_exit: $@";	2538	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2539	$self->leave_link;
1878	}	2540	}
1879	})->prio (1);	2541	})->prio (1);
…		…
1892		2554
1893	sub cf::client::send_drawinfo {	2555	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2556	my ($self, $text, $flags) = @_;
1895		2557
1896	utf8::encode $text;	2558	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2559	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2560	}
1899		2561
		2562	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2563
		2564	Send a drawinfo or msg packet to the client, formatting the msg for the
		2565	client if neccessary. C<$type> should be a string identifying the type of
		2566	the message, with C<log> being the default. If C<$color> is negative, suppress
		2567	the message unless the client supports the msg packet.
		2568
		2569	=cut
		2570
		2571	our %CHANNEL = (
		2572	"c/identify" => {
		2573	id => "identify",
		2574	title => "Identify",
		2575	reply => undef,
		2576	tooltip => "Items recently identified",
		2577	},
		2578	"c/examine" => {
		2579	id => "examine",
		2580	title => "Examine",
		2581	reply => undef,
		2582	tooltip => "Signs and other items you examined",
		2583	},
		2584	);
		2585
		2586	sub cf::client::send_msg {
		2587	my ($self, $channel, $msg, $color, @extra) = @_;
		2588
		2589	$msg = $self->pl->expand_cfpod ($msg);
		2590
		2591	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2592
		2593	# check predefined channels, for the benefit of C
		2594	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2595
		2596	if (ref $channel) {
		2597	# send meta info to client, if not yet sent
		2598	unless (exists $self->{channel}{$channel->{id}}) {
		2599	$self->{channel}{$channel->{id}} = $channel;
		2600	$self->ext_msg (channel_info => $channel)
		2601	if $self->can_msg;
		2602	}
		2603
		2604	$channel = $channel->{id};
		2605	}
		2606
		2607	return unless @extra || length $msg;
		2608
		2609	if ($self->can_msg) {
		2610	# default colour, mask it out
		2611	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2612	if $color & cf::NDI_DEF;
		2613
		2614	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2615	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2616	} else {
		2617	if ($color >= 0) {
		2618	# replace some tags by gcfclient-compatible ones
		2619	for ($msg) {
		2620	1 while
		2621	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2622	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2623	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2624	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2625	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2626	}
		2627
		2628	$color &= cf::NDI_COLOR_MASK;
		2629
		2630	utf8::encode $msg;
		2631
		2632	if (0 && $msg =~ /\[/) {
		2633	# COMMAND/INFO
		2634	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2635	} else {
		2636	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2637	$self->send_packet ("drawinfo $color $msg")
		2638	}
		2639	}
		2640	}
		2641	}
		2642
		2643	=item $client->ext_msg ($type, @msg)
		2644
		2645	Sends an ext event to the client.
		2646
		2647	=cut
		2648
		2649	sub cf::client::ext_msg($$@) {
		2650	my ($self, $type, @msg) = @_;
		2651
		2652	if ($self->extcmd == 2) {
		2653	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2654	} elsif ($self->extcmd == 1) { # TODO: remove
		2655	push @msg, msgtype => "event_$type";
		2656	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2657	}
		2658	}
		2659
		2660	=item $client->ext_reply ($msgid, @msg)
		2661
		2662	Sends an ext reply to the client.
		2663
		2664	=cut
		2665
		2666	sub cf::client::ext_reply($$@) {
		2667	my ($self, $id, @msg) = @_;
		2668
		2669	if ($self->extcmd == 2) {
		2670	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2671	} elsif ($self->extcmd == 1) {
		2672	#TODO: version 1, remove
		2673	unshift @msg, msgtype => "reply", msgid => $id;
		2674	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2675	}
		2676	}
1900		2677
1901	=item $success = $client->query ($flags, "text", \&cb)	2678	=item $success = $client->query ($flags, "text", \&cb)
1902		2679
1903	Queues a query to the client, calling the given callback with	2680	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2681	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2682	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2683
1907	Queries can fail, so check the return code. Or don't, as queries will become	2684	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2685	become reliable at some point in the future.
1909		2686
1910	=cut	2687	=cut
1911		2688
1912	sub cf::client::query {	2689	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2690	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2698	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2699	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2700
1924	$self->send_packet ($self->{query_queue}[0][0])	2701	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2702	if @{ $self->{query_queue} } == 1;
		2703
		2704	1
1926	}	2705	}
1927		2706
1928	cf::client->attach (	2707	cf::client->attach (
		2708	on_connect => sub {
		2709	my ($ns) = @_;
		2710
		2711	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2712	},
1929	on_reply => sub {	2713	on_reply => sub {
1930	my ($ns, $msg) = @_;	2714	my ($ns, $msg) = @_;
1931		2715
1932	# this weird shuffling is so that direct followup queries	2716	# this weird shuffling is so that direct followup queries
1933	# get handled first	2717	# get handled first
1934	my $queue = delete $ns->{query_queue}	2718	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2719	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2720
1937	(shift @$queue)->[1]->($msg);	2721	(shift @$queue)->[1]->($msg);
		2722	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2723
1939	push @{ $ns->{query_queue} }, @$queue;	2724	push @{ $ns->{query_queue} }, @$queue;
1940		2725
1941	if (@{ $ns->{query_queue} } == @$queue) {	2726	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2727	if (@$queue) {
…		…
1944	} else {	2729	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2730	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	2731	}
1947	}	2732	}
1948	},	2733	},
		2734	on_exticmd => sub {
		2735	my ($ns, $buf) = @_;
		2736
		2737	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2738
		2739	if (ref $msg) {
		2740	my ($type, $reply, @payload) =
		2741	"ARRAY" eq ref $msg
		2742	? @$msg
		2743	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2744
		2745	my @reply;
		2746
		2747	if (my $cb = $EXTICMD{$type}) {
		2748	@reply = $cb->($ns, @payload);
		2749	}
		2750
		2751	$ns->ext_reply ($reply, @reply)
		2752	if $reply;
		2753
		2754	} else {
		2755	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2756	}
		2757
		2758	cf::override;
		2759	},
1949	);	2760	);
1950		2761
1951	=item $client->async (\&cb)	2762	=item $client->async (\&cb)
1952		2763
1953	Create a new coroutine, running the specified callback. The coroutine will	2764	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	2805	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	2806	our $safe_hole = new Safe::Hole;
1996		2807
1997	$SIG{FPE} = 'IGNORE';	2808	$SIG{FPE} = 'IGNORE';
1998		2809
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2810	$safe->permit_only (Opcode::opset qw(
		2811	:base_core :base_mem :base_orig :base_math
		2812	grepstart grepwhile mapstart mapwhile
		2813	sort time
		2814	));
2000		2815
2001	# here we export the classes and methods available to script code	2816	# here we export the classes and methods available to script code
2002		2817
2003	=pod	2818	=pod
2004		2819
2005	The following fucntions and emthods are available within a safe environment:	2820	The following functions and methods are available within a safe environment:
2006		2821
2007	cf::object contr pay_amount pay_player map	2822	cf::object
		2823	contr pay_amount pay_player map x y force_find force_add
		2824	insert remove name archname title slaying race decrease_ob_nr
		2825
2008	cf::object::player player	2826	cf::object::player
2009	cf::player peaceful	2827	player
2010	cf::map trigger	2828
		2829	cf::player
		2830	peaceful
		2831
		2832	cf::map
		2833	trigger
2011		2834
2012	=cut	2835	=cut
2013		2836
2014	for (	2837	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	2838	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2839	insert remove inv name archname title slaying race
		2840	decrease_ob_nr)],
2016	["cf::object::player" => qw(player)],	2841	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	2842	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	2843	["cf::map" => qw(trigger)],
2019	) {	2844	) {
2020	no strict 'refs';	2845	no strict 'refs';
…		…
2091	=back	2916	=back
2092		2917
2093	=cut	2918	=cut
2094		2919
2095	#############################################################################	2920	#############################################################################
		2921	# the server's init and main functions
2096		2922
2097	=head2 EXTENSION DATABASE SUPPORT	2923	sub load_facedata($) {
		2924	my ($path) = @_;
2098		2925
2099	Crossfire maintains a very simple database for extension use. It can	2926	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	2927	# for this (global event?)
2101	excludes objects.	2928	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		2929
2103	The parameter C<$family> should best start with the name of the extension	2930	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		2931
2106	=over 4	2932	warn "loading facedata from $path\n";
2107		2933
2108	=item $hashref = cf::db_get $family	2934	my $facedata;
		2935	0 < aio_load $path, $facedata
		2936	or die "$path: $!";
2109		2937
2110	Return a hashref for use by the extension C<$family>, which can be	2938	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		2939
2114	=item $value = cf::db_get $family => $key	2940	$facedata->{version} == 2
		2941	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		2942
2116	Returns a single value from the database	2943	# patch in the exptable
2117		2944	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	2945	type => FT_RSRC,
2119		2946	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	2947	};
		2948	cf::cede_to_tick;
2169		2949
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	2950	{
		2951	my $faces = $facedata->{faceinfo};
2174		2952
2175	sub db_get($;$) {	2953	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	2954	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}	2955	cf::face::set_visibility $idx, $info->{visibility};
2178	: ($DB->{$_[0]} ||= { })	2956	cf::face::set_magicmap $idx, $info->{magicmap};
2179	}	2957	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2958	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2180		2959
2181	sub db_put($$;$) {	2960	cf::cede_to_tick;
2182	if (@_ >= 3) {
2183	$DB->{$_[0]}{$_[1]} = $_[2];
2184	} else {
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189
2190	cf::global->attach (
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	2961	}
2195	);
2196	}
2197		2962
2198	#############################################################################	2963	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	2964	next unless $info->{smooth};
		2965	my $idx = cf::face::find $face
		2966	or next;
		2967	if (my $smooth = cf::face::find $info->{smooth}) {
		2968	cf::face::set_smooth $idx, $smooth;
		2969	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2970	} else {
		2971	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2972	}
2200		2973
2201	sub cfg_load {	2974	cf::cede_to_tick;
		2975	}
		2976	}
		2977
		2978	{
		2979	my $anims = $facedata->{animinfo};
		2980
		2981	while (my ($anim, $info) = each %$anims) {
		2982	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2983	cf::cede_to_tick;
		2984	}
		2985
		2986	cf::anim::invalidate_all; # d'oh
		2987	}
		2988
		2989	{
		2990	# TODO: for gcfclient pleasure, we should give resources
		2991	# that gcfclient doesn't grok a >10000 face index.
		2992	my $res = $facedata->{resource};
		2993
		2994	my $soundconf = delete $res->{"res/sound.conf"};
		2995
		2996	while (my ($name, $info) = each %$res) {
		2997	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2998	my $data;
		2999
		3000	if ($info->{type} & 1) {
		3001	# prepend meta info
		3002
		3003	my $meta = $enc->encode ({
		3004	name => $name,
		3005	%{ $info->{meta} || {} },
		3006	});
		3007
		3008	$data = pack "(w/a*)*", $meta, $info->{data};
		3009	} else {
		3010	$data = $info->{data};
		3011	}
		3012
		3013	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3014	cf::face::set_type $idx, $info->{type};
		3015
		3016	cf::cede_to_tick;
		3017	}
		3018
		3019	if ($soundconf) {
		3020	$soundconf = $enc->decode (delete $soundconf->{data});
		3021
		3022	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3023	my $sound = $soundconf->{compat}[$_]
		3024	or next;
		3025
		3026	my $face = cf::face::find "sound/$sound->[1]";
		3027	cf::sound::set $sound->[0] => $face;
		3028	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3029	}
		3030
		3031	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3032	my $face = cf::face::find "sound/$v";
		3033	cf::sound::set $k => $face;
		3034	}
		3035	}
		3036	}
		3037
		3038	1
		3039	}
		3040
		3041	register_exticmd fx_want => sub {
		3042	my ($ns, $want) = @_;
		3043
		3044	while (my ($k, $v) = each %$want) {
		3045	$ns->fx_want ($k, $v);
		3046	}
		3047	};
		3048
		3049	sub reload_regions {
		3050	# HACK to clear player env face cache, we need some signal framework
		3051	# for this (global event?)
		3052	%ext::player_env::MUSIC_FACE_CACHE = ();
		3053
		3054	load_resource_file "$MAPDIR/regions"
		3055	or die "unable to load regions file\n";
		3056
		3057	for (cf::region::list) {
		3058	$_->{match} = qr/$_->{match}/
		3059	if exists $_->{match};
		3060	}
		3061	}
		3062
		3063	sub reload_facedata {
		3064	load_facedata "$DATADIR/facedata"
		3065	or die "unable to load facedata\n";
		3066	}
		3067
		3068	sub reload_archetypes {
		3069	load_resource_file "$DATADIR/archetypes"
		3070	or die "unable to load archetypes\n";
		3071	#d# NEED to laod twice to resolve forward references
		3072	# this really needs to be done in an extra post-pass
		3073	# (which needs to be synchronous, so solve it differently)
		3074	load_resource_file "$DATADIR/archetypes"
		3075	or die "unable to load archetypes\n";
		3076	}
		3077
		3078	sub reload_treasures {
		3079	load_resource_file "$DATADIR/treasures"
		3080	or die "unable to load treasurelists\n";
		3081	}
		3082
		3083	sub reload_resources {
		3084	warn "reloading resource files...\n";
		3085
		3086	reload_regions;
		3087	reload_facedata;
		3088	#reload_archetypes;#d#
		3089	reload_archetypes;
		3090	reload_treasures;
		3091
		3092	warn "finished reloading resource files\n";
		3093	}
		3094
		3095	sub init {
		3096	reload_resources;
		3097	}
		3098
		3099	sub reload_config {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3100	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3101	or return;
2204		3102
2205	local $/;	3103	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3104	*CFG = YAML::Syck::Load <$fh>;
2207		3105
…		…
2221		3119
2222	sub main {	3120	sub main {
2223	# we must not ever block the main coroutine	3121	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3122	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3123	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3124	(async {
2226	async { Event::one_event };	3125	Event::one_event;
		3126	})->prio (Coro::PRIO_MAX);
2227	};	3127	};
2228		3128
2229	cfg_load;	3129	reload_config;
2230	db_load;	3130	db_init;
2231	load_extensions;	3131	load_extensions;
		3132
		3133	$TICK_WATCHER->start;
2232	Event::loop;	3134	Event::loop;
2233	}	3135	}
2234		3136
2235	#############################################################################	3137	#############################################################################
2236	# initialisation and cleanup	3138	# initialisation and cleanup
2237		3139
2238	# install some emergency cleanup handlers	3140	# install some emergency cleanup handlers
2239	BEGIN {	3141	BEGIN {
2240	for my $signal (qw(INT HUP TERM)) {	3142	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3143	Event->signal (
		3144	reentrant => 0,
2242	data => WF_AUTOCANCEL,	3145	data => WF_AUTOCANCEL,
2243	signal => $signal,	3146	signal => $signal,
		3147	prio => 0,
2244	cb => sub {	3148	cb => sub {
2245	cf::cleanup "SIG$signal";	3149	cf::cleanup "SIG$signal";
2246	},	3150	},
2247	);	3151	);
2248	}	3152	}
2249	}	3153	}
2250		3154
		3155	sub write_runtime {
		3156	my $runtime = "$LOCALDIR/runtime";
		3157
		3158	# first touch the runtime file to show we are still running:
		3159	# the fsync below can take a very very long time.
		3160
		3161	IO::AIO::aio_utime $runtime, undef, undef;
		3162
		3163	my $guard = cf::lock_acquire "write_runtime";
		3164
		3165	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3166	or return;
		3167
		3168	my $value = $cf::RUNTIME + 90 + 10;
		3169	# 10 is the runtime save interval, for a monotonic clock
		3170	# 60 allows for the watchdog to kill the server.
		3171
		3172	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3173	and return;
		3174
		3175	# always fsync - this file is important
		3176	aio_fsync $fh
		3177	and return;
		3178
		3179	# touch it again to show we are up-to-date
		3180	aio_utime $fh, undef, undef;
		3181
		3182	close $fh
		3183	or return;
		3184
		3185	aio_rename "$runtime~", $runtime
		3186	and return;
		3187
		3188	warn "runtime file written.\n";
		3189
		3190	1
		3191	}
		3192
2251	sub emergency_save() {	3193	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3194	my $freeze_guard = cf::freeze_mainloop;
2253		3195
2254	warn "enter emergency perl save\n";	3196	warn "enter emergency perl save\n";
2255		3197
2256	cf::sync_job {	3198	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3199	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3200	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3201	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3202	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3203	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3204	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3205	$pl->valid or next;
2264	$pl->save;	3206	$pl->save;
…		…
2270	my $map = $cf::MAP{$path} or next;	3212	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3213	$map->valid or next;
2272	$map->save;	3214	$map->save;
2273	}	3215	}
2274	warn "end emergency map save\n";	3216	warn "end emergency map save\n";
		3217
		3218	warn "begin emergency database checkpoint\n";
		3219	BDB::db_env_txn_checkpoint $DB_ENV;
		3220	warn "end emergency database checkpoint\n";
2275	};	3221	};
2276		3222
2277	warn "leave emergency perl save\n";	3223	warn "leave emergency perl save\n";
2278	}	3224	}
2279		3225
		3226	sub post_cleanup {
		3227	my ($make_core) = @_;
		3228
		3229	warn Carp::longmess "post_cleanup backtrace"
		3230	if $make_core;
		3231	}
		3232
2280	sub reload() {	3233	sub do_reload_perl() {
2281	# can/must only be called in main	3234	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3235	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3236	warn "can only reload from main coroutine";
2284	return;	3237	return;
2285	}	3238	}
2286		3239
2287	warn "reloading...";	3240	warn "reloading...";
2288		3241
2289	warn "freezing server";	3242	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3243
		3244	cf::sync_job {
		3245	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	3246	cf::emergency_save;
		3247	cf::write_runtime; # external watchdog should not bark
2292		3248
2293	warn "sync database to disk";	3249	warn "syncing database to disk";
2294	cf::db_sync;	3250	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3251
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3252	# if anything goes wrong in here, we should simply crash as we already saved
2299		3253
2300	warn "cancel all watchers";	3254	warn "cancelling all WF_AUTOCANCEL watchers";
2301	for (Event::all_watchers) {	3255	for (Event::all_watchers) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3256	$_->cancel if $_->data & WF_AUTOCANCEL;
2303	}	3257	}
2304		3258
		3259	warn "flushing outstanding aio requests";
		3260	for (;;) {
		3261	BDB::flush;
		3262	IO::AIO::flush;
		3263	Coro::cede;
		3264	last unless IO::AIO::nreqs || BDB::nreqs;
		3265	warn "iterate...";
		3266	}
		3267
		3268	++$RELOAD;
		3269
2305	warn "cancel all extension coros";	3270	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3271	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3272	%EXT_CORO = ();
2308		3273
2309	warn "remove commands";	3274	warn "removing commands";
2310	%COMMAND = ();	3275	%COMMAND = ();
2311		3276
2312	warn "remove ext commands";	3277	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3278	%EXTCMD = ();
		3279	%EXTICMD = ();
2314		3280
2315	warn "unload/nuke all extensions";	3281	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3282	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3283	warn "... unloading $pkg";
2318		3284
2319	if (my $cb = $pkg->can ("unload")) {	3285	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3286	eval {
…		…
2325		3291
2326	warn "... nuking $pkg";	3292	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3293	Symbol::delete_package $pkg;
2328	}	3294	}
2329		3295
2330	warn "unload all perl modules loaded from $LIBDIR";	3296	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3297	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3298	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3299
2334	warn "removing <$k>";	3300	warn "... unloading $k";
2335	delete $INC{$k};	3301	delete $INC{$k};
2336		3302
2337	$k =~ s/\.pm$//;	3303	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3304	$k =~ s/\//::/g;
2339		3305
…		…
2342	}	3308	}
2343		3309
2344	Symbol::delete_package $k;	3310	Symbol::delete_package $k;
2345	}	3311	}
2346		3312
2347	warn "get rid of safe::, as good as possible";	3313	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3314	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3315	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3316
2351	warn "unload cf.pm \"a bit\"";	3317	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3318	delete $INC{"cf.pm"};
		3319	delete $INC{"cf/pod.pm"};
2353		3320
2354	# don't, removes xs symbols, too,	3321	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3322	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3323	#Symbol::delete_package __PACKAGE__;
2357		3324
		3325	warn "unload completed, starting to reload now";
		3326
2358	warn "reloading cf.pm";	3327	warn "reloading cf.pm";
2359	require cf;	3328	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3329	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3330
2362	warn "load config and database again";	3331	warn "loading config and database again";
2363	cf::cfg_load;	3332	cf::reload_config;
2364	cf::db_load;
2365		3333
2366	warn "load extensions";	3334	warn "loading extensions";
2367	cf::load_extensions;	3335	cf::load_extensions;
2368		3336
2369	warn "reattach attachments to objects/players";	3337	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3338	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3339	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3340	reattach $_ for values %MAP;
2373	};	3341	warn "reattaching attachments to players";
		3342	reattach $_ for values %PLAYER;
2374		3343
2375	if ($@) {	3344	warn "leaving sync_job";
		3345
		3346	1
		3347	} or do {
2376	warn $@;	3348	warn $@;
2377	warn "error while reloading, exiting.";	3349	warn "error while reloading, exiting.";
2378	exit 1;	3350	exit 1;
2379	}	3351	};
2380		3352
2381	warn "reloaded";	3353	warn "reloaded";
2382	};	3354	};
2383		3355
		3356	our $RELOAD_WATCHER; # used only during reload
		3357
		3358	sub reload_perl() {
		3359	# doing reload synchronously and two reloads happen back-to-back,
		3360	# coro crashes during coro_state_free->destroy here.
		3361
		3362	$RELOAD_WATCHER ||= Event->timer (
		3363	reentrant => 0,
		3364	after => 0,
		3365	data => WF_AUTOCANCEL,
		3366	cb => sub {
		3367	do_reload_perl;
		3368	undef $RELOAD_WATCHER;
		3369	},
		3370	);
		3371	}
		3372
2384	register_command "reload" => sub {	3373	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3374	my ($who, $arg) = @_;
2386		3375
2387	if ($who->flag (FLAG_WIZ)) {	3376	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3377	$who->message ("reloading server.");
		3378	async { reload_perl };
2391	}	3379	}
2392	};	3380	};
2393		3381
2394	unshift @INC, $LIBDIR;	3382	unshift @INC, $LIBDIR;
2395		3383
		3384	my $bug_warning = 0;
		3385
		3386	our @WAIT_FOR_TICK;
		3387	our @WAIT_FOR_TICK_BEGIN;
		3388
		3389	sub wait_for_tick {
		3390	return unless $TICK_WATCHER->is_active;
		3391	return if $Coro::current == $Coro::main;
		3392
		3393	my $signal = new Coro::Signal;
		3394	push @WAIT_FOR_TICK, $signal;
		3395	$signal->wait;
		3396	}
		3397
		3398	sub wait_for_tick_begin {
		3399	return unless $TICK_WATCHER->is_active;
		3400	return if $Coro::current == $Coro::main;
		3401
		3402	my $signal = new Coro::Signal;
		3403	push @WAIT_FOR_TICK_BEGIN, $signal;
		3404	$signal->wait;
		3405	}
		3406
		3407	my $min = 1e6;#d#
		3408	my $avg = 10;
2396	$TICK_WATCHER = Event->timer (	3409	$TICK_WATCHER = Event->timer (
2397	reentrant => 0,	3410	reentrant => 0,
		3411	parked => 1,
2398	prio => 0,	3412	prio => 0,
2399	at => $NEXT_TICK || $TICK,	3413	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,	3414	data => WF_AUTOCANCEL,
2401	cb => sub {	3415	cb => sub {
		3416	if ($Coro::current != $Coro::main) {
		3417	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3418	unless ++$bug_warning > 10;
		3419	return;
		3420	}
		3421
2402	$NOW = Event::time;	3422	$NOW = $tick_start = Event::time;
2403		3423
2404	cf::server_tick; # one server iteration	3424	cf::server_tick; # one server iteration
		3425
		3426	0 && sync_job {#d#
		3427	for(1..10) {
		3428	my $t = Event::time;
		3429	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3430	or die;
		3431
		3432	$map->width (50);
		3433	$map->height (50);
		3434	$map->alloc;
		3435	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3436	my $t = Event::time - $t;
		3437
		3438	#next unless $t < 0.0013;#d#
		3439	if ($t < $min) {
		3440	$min = $t;
		3441	}
		3442	$avg = $avg * 0.99 + $t * 0.01;
		3443	}
		3444	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3445	exit 0;
		3446	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3447	};
		3448
2405	$RUNTIME += $TICK;	3449	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;	3450	$NEXT_TICK += $TICK;
2407		3451
2408	$WAIT_FOR_TICK->broadcast;	3452	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3453	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3454	Coro::async_pool {
		3455	write_runtime
		3456	or warn "ERROR: unable to write runtime file: $!";
		3457	};
		3458	}
		3459
		3460	# my $AFTER = Event::time;
		3461	# warn $AFTER - $NOW;#d#
		3462
		3463	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3464	$sig->send;
		3465	}
		3466	while (my $sig = shift @WAIT_FOR_TICK) {
		3467	$sig->send;
		3468	}
		3469
		3470	$NOW = Event::time;
2410		3471
2411	# if we are delayed by four ticks or more, skip them all	3472	# if we are delayed by four ticks or more, skip them all
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3473	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2413		3474
2414	$TICK_WATCHER->at ($NEXT_TICK);	3475	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;	3476	$TICK_WATCHER->start;
		3477
		3478	$LOAD = ($NOW - $tick_start) / $TICK;
		3479	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3480
		3481	_post_tick;
		3482
		3483
2416	},	3484	},
2417	);	3485	);
2418		3486
		3487	{
2419	IO::AIO::max_poll_time $TICK * 0.2;	3488	BDB::max_poll_time $TICK * 0.1;
2420		3489	$BDB_POLL_WATCHER = Event->io (
2421	Event->io (	3490	reentrant => 0,
2422	fd => IO::AIO::poll_fileno,	3491	fd => BDB::poll_fileno,
2423	poll => 'r',	3492	poll => 'r',
2424	prio => 5,	3493	prio => 0,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,	3494	data => WF_AUTOCANCEL,
2431	after => 0,	3495	cb => \&BDB::poll_cb,
2432	interval => 10,	3496	);
2433	cb => sub {	3497	BDB::min_parallel 8;
2434	(Coro::unblock_sub {	3498
2435	write_runtime	3499	BDB::set_sync_prepare {
2436	or warn "ERROR: unable to write runtime file: $!";	3500	my $status;
		3501	my $current = $Coro::current;
		3502	(
		3503	sub {
		3504	$status = $!;
		3505	$current->ready; undef $current;
		3506	},
		3507	sub {
		3508	Coro::schedule while defined $current;
		3509	$! = $status;
		3510	},
		3511	)
		3512	};
		3513
		3514	unless ($DB_ENV) {
		3515	$DB_ENV = BDB::db_env_create;
		3516
		3517	cf::sync_job {
		3518	eval {
		3519	BDB::db_env_open
		3520	$DB_ENV,
		3521	$BDBDIR,
		3522	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3523	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3524	0666;
		3525
		3526	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3527
		3528	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3529	$DB_ENV->set_lk_detect;
		3530	};
		3531
		3532	cf::cleanup "db_env_open(db): $@" if $@;
2437	})->();	3533	};
2438	},	3534	}
2439	);	3535	}
		3536
		3537	{
		3538	IO::AIO::min_parallel 8;
		3539
		3540	undef $Coro::AIO::WATCHER;
		3541	IO::AIO::max_poll_time $TICK * 0.1;
		3542	$AIO_POLL_WATCHER = Event->io (
		3543	reentrant => 0,
		3544	data => WF_AUTOCANCEL,
		3545	fd => IO::AIO::poll_fileno,
		3546	poll => 'r',
		3547	prio => 6,
		3548	cb => \&IO::AIO::poll_cb,
		3549	);
		3550	}
		3551
		3552	my $_log_backtrace;
		3553
		3554	sub _log_backtrace {
		3555	my ($msg, @addr) = @_;
		3556
		3557	$msg =~ s/\n//;
		3558
		3559	# limit the # of concurrent backtraces
		3560	if ($_log_backtrace < 2) {
		3561	++$_log_backtrace;
		3562	async {
		3563	my @bt = fork_call {
		3564	@addr = map { sprintf "%x", $_ } @addr;
		3565	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3566	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3567	or die "addr2line: $!";
		3568
		3569	my @funcs;
		3570	my @res = <$fh>;
		3571	chomp for @res;
		3572	while (@res) {
		3573	my ($func, $line) = splice @res, 0, 2, ();
		3574	push @funcs, "[$func] $line";
		3575	}
		3576
		3577	@funcs
		3578	};
		3579
		3580	LOG llevInfo, "[ABT] $msg\n";
		3581	LOG llevInfo, "[ABT] $_\n" for @bt;
		3582	--$_log_backtrace;
		3583	};
		3584	} else {
		3585	LOG llevInfo, "[ABT] $msg\n";
		3586	LOG llevInfo, "[ABT] [suppressed]\n";
		3587	}
		3588	}
		3589
		3590	# load additional modules
		3591	use cf::pod;
2440		3592
2441	END { cf::emergency_save }	3593	END { cf::emergency_save }
2442		3594
2443	1	3595	1
2444		3596

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