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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 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		1257
		1258	=back
		1259
906	=head2 CORE EXTENSIONS	1260	=head2 CORE EXTENSIONS
907		1261
908	Functions and methods that extend core crossfire objects.	1262	Functions and methods that extend core crossfire objects.
909		1263
910	=cut	1264	=cut
…		…
922	Returns the given player object, loading it if necessary (might block).	1276	Returns the given player object, loading it if necessary (might block).
923		1277
924	=cut	1278	=cut
925		1279
926	sub playerdir($) {	1280	sub playerdir($) {
927	cf::localdir	1281	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1282	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1283	}
933		1284
934	sub path($) {	1285	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1286	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1287
937	(playerdir $login) . "/$login.pl"	1288	(playerdir $login) . "/playerdata"
938	}	1289	}
939		1290
940	sub find_active($) {	1291	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1292	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1293	and $cf::PLAYER{$_[0]}->active
…		…
945		1296
946	sub exists($) {	1297	sub exists($) {
947	my ($login) = @_;	1298	my ($login) = @_;
948		1299
949	$cf::PLAYER{$login}	1300	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1301	or cf::sync_job { !aio_stat path $login }
951	}	1302	}
952		1303
953	sub find($) {	1304	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1305	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1306	my $login = $_[0];
956		1307
957	my $guard = cf::lock_acquire "user_find:$login";	1308	my $guard = cf::lock_acquire "user_find:$login";
958		1309
959	$cf::PLAYER{$_[0]} || do {	1310	$cf::PLAYER{$_[0]} || do {
960	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
961	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;
962	$cf::PLAYER{$login} = $pl	1326	$cf::PLAYER{$login} = $pl
963	}	1327	}
964	}	1328	}
965	}	1329	}
966		1330
…		…
976		1340
977	aio_mkdir playerdir $pl, 0770;	1341	aio_mkdir playerdir $pl, 0770;
978	$pl->{last_save} = $cf::RUNTIME;	1342	$pl->{last_save} = $cf::RUNTIME;
979		1343
980	$pl->save_pl ($path);	1344	$pl->save_pl ($path);
981	Coro::cede;	1345	cf::cede_to_tick;
982	}	1346	}
983		1347
984	sub new($) {	1348	sub new($) {
985	my ($login) = @_;	1349	my ($login) = @_;
986		1350
…		…
992	$cf::PLAYER{$login} = $self;	1356	$cf::PLAYER{$login} = $self;
993		1357
994	$self	1358	$self
995	}	1359	}
996		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
997	=item $pl->quit_character	1371	=item $pl->quit_character
998		1372
999	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
1000	be destroyed. May block for a long time.	1374	be destroyed. May block for a long time.
1001		1375
1002	=cut	1376	=cut
1003		1377
1004	sub quit_character {	1378	sub quit_character {
1005	my ($pl) = @_;	1379	my ($pl) = @_;
		1380
		1381	my $name = $pl->ob->name;
1006		1382
1007	$pl->{deny_save} = 1;	1383	$pl->{deny_save} = 1;
1008	$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
1009		1385
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1391	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1392	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1393	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1394	delete $cf::PLAYER{$pl->ob->name};
1019	$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
1020	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;
1021	}	1417	}
1022		1418
1023	=item cf::player::list_logins	1419	=item cf::player::list_logins
1024		1420
1025	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
1026	while and may block, so not sync_job-capable, ever.	1422	while and may block, so not sync_job-capable, ever.
1027		1423
1028	=cut	1424	=cut
1029		1425
1030	sub list_logins {	1426	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1427	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1428	or return [];
1033		1429
1034	my @logins;	1430	my @logins;
1035		1431
1036	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") {
1037	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1437	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1038	aio_read $fh, 0, 512, my $buf, 0 or next;	1438	aio_read $fh, 0, 512, my $buf, 0 or next;
1039	$buf !~ /^password -------------$/m or next; # official not-valid tag	1439	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1440	}
1040		1441
1041	utf8::decode $login;	1442	utf8::decode $login;
1042	push @logins, $login;	1443	push @logins, $login;
1043	}	1444	}
1044		1445
…		…
1052		1453
1053	=cut	1454	=cut
1054		1455
1055	sub maps($) {	1456	sub maps($) {
1056	my ($pl) = @_;	1457	my ($pl) = @_;
		1458
		1459	$pl = ref $pl ? $pl->ob->name : $pl;
1057		1460
1058	my $files = aio_readdir playerdir $pl	1461	my $files = aio_readdir playerdir $pl
1059	or return;	1462	or return;
1060		1463
1061	my @paths;	1464	my @paths;
…		…
1063	for (@$files) {	1466	for (@$files) {
1064	utf8::decode $_;	1467	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1468	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1469	next unless /^$PATH_SEP/o;
1067		1470
1068	s/\.map$//;	1471	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1472	}
1071		1473
1072	\@paths	1474	\@paths
1073	}	1475	}
1074		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
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1076		1529
1077	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1078		1531
1079	=cut	1532	=cut
1080		1533
1081	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1082	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1083		1536
1084	$msg{msgid} = $id;	1537	$self->ns->ext_reply ($id, @msg)
1085
1086	$self->send ("ext " . cf::to_json \%msg);
1087	}	1538	}
1088		1539
1089	package cf;	1540	=item $player->ext_msg ($type, @msg)
		1541
		1542	Sends an ext event to the client.
		1543
		1544	=cut
		1545
		1546	sub ext_msg($$@) {
		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	}
1090		1580
1091	=back	1581	=back
1092
1093		1582
1094	=head3 cf::map	1583	=head3 cf::map
1095		1584
1096	=over 4	1585	=over 4
1097		1586
…		…
1101		1590
1102	use Fcntl;	1591	use Fcntl;
1103	use Coro::AIO;	1592	use Coro::AIO;
1104		1593
1105	use overload	1594	use overload
1106	'""' => \&as_string;	1595	'""' => \&as_string,
		1596	fallback => 1;
1107		1597
1108	our $MAX_RESET = 3600;	1598	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1599	our $DEFAULT_RESET = 3000;
1110		1600
1111	sub generate_random_map {	1601	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1602	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1603	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1604	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1605	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1606	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1607	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1614	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1615	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1616	)
1128	}	1617	}
1129		1618
		1619	=item cf::map->register ($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
1130	sub register {	1627	sub register {
1131	my (undef, $regex) = @_;	1628	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1629	my $pkg = caller;
1133		1630
1134	no strict;	1631	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1632	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1633
1137	$EXT_MAP{$pkg} = qr<$regex>;	1634	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1635	}
1139		1636
1140	# also paths starting with '/'	1637	# also paths starting with '/'
1141	$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	}
1142		1649
1143	sub normalise {	1650	sub normalise {
1144	my ($path, $base) = @_;	1651	my ($path, $base) = @_;
		1652
		1653	$path = "$path"; # make sure its a string
		1654
		1655	$path =~ s/\.map$//;
1145		1656
1146	# map plan:	1657	# map plan:
1147	#	1658	#
1148	# /! non-realised random map exit (special hack!)	1659	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1660	# {... are special paths that are not being touched
…		…
1177		1688
1178	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
1179		1690
1180	$path = normalise $path, $base;	1691	$path = normalise $path, $base;
1181		1692
1182	for my $pkg (keys %EXT_MAP) {	1693	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1694	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1695	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1696	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1697	$self->init; # pass $1 etc.
1187	return $self;	1698	return $self;
1188	}	1699	}
1189	}	1700	}
1190		1701
1191	Carp::carp "unable to resolve path '$path'.";	1702	Carp::cluck "unable to resolve path '$path' (base '$base').";
1192	()	1703	()
1193	}	1704	}
1194		1705
1195	sub init {	1706	sub init {
1196	my ($self) = @_;	1707	my ($self) = @_;
…		…
1211		1722
1212	# the original (read-only) location	1723	# the original (read-only) location
1213	sub load_path {	1724	sub load_path {
1214	my ($self) = @_;	1725	my ($self) = @_;
1215		1726
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1727	"$MAPDIR/$self->{path}.map"
1217	}	1728	}
1218		1729
1219	# the temporary/swap location	1730	# the temporary/swap location
1220	sub save_path {	1731	sub save_path {
1221	my ($self) = @_;	1732	my ($self) = @_;
1222		1733
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1734	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1735	"$TMPDIR/$path.map"
1225	}	1736	}
1226		1737
1227	# the unique path, undef == no special unique path	1738	# the unique path, undef == no special unique path
1228	sub uniq_path {	1739	sub uniq_path {
1229	my ($self) = @_;	1740	my ($self) = @_;
1230		1741
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1743	"$UNIQUEDIR/$path"
1233	}	1744	}
1234		1745
1235	# and all this just because we cannot iterate over	1746	# and all this just because we cannot iterate over
1236	# all maps in C++...	1747	# all maps in C++...
1237	sub change_all_map_light {	1748	sub change_all_map_light {
…		…
1239		1750
1240	$_->change_map_light ($change)	1751	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1752	for grep $_->outdoor, values %cf::MAP;
1242	}	1753	}
1243		1754
		1755	sub decay_objects {
		1756	my ($self) = @_;
		1757
		1758	return if $self->{deny_reset};
		1759
		1760	$self->do_decay_objects;
		1761	}
		1762
1244	sub unlink_save {	1763	sub unlink_save {
1245	my ($self) = @_;	1764	my ($self) = @_;
1246		1765
1247	utf8::encode (my $save = $self->save_path);	1766	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1767	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1768	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1769	}
1251		1770
1252	sub load_header_from($) {	1771	sub load_header_from($) {
1253	my ($self, $path) = @_;	1772	my ($self, $path) = @_;
1254		1773
1255	utf8::encode $path;	1774	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1775	my $f = new_from_file cf::object::thawer $path
1257	or return;	1776	or return;
1258		1777
1259	$self->_load_header ($path)	1778	$self->_load_header ($f)
1260	or return;	1779	or return;
1261		1780
		1781	local $MAP_LOADING{$self->{path}} = $self;
		1782	$f->resolve_delayed_derefs;
		1783
1262	$self->{load_path} = $path;	1784	$self->{load_path} = $path;
1263		1785
1264	1	1786	1
1265	}	1787	}
1266		1788
1267	sub load_orig {	1789	sub load_header_orig {
1268	my ($self) = @_;	1790	my ($self) = @_;
1269		1791
1270	$self->load_header_from ($self->load_path)	1792	$self->load_header_from ($self->load_path)
1271	}	1793	}
1272		1794
1273	sub load_temp {	1795	sub load_header_temp {
1274	my ($self) = @_;	1796	my ($self) = @_;
1275		1797
1276	$self->load_header_from ($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	$self->instantiate;
1277	}	1818	}
1278		1819
1279	sub load_header {	1820	sub load_header {
1280	my ($self) = @_;	1821	my ($self) = @_;
1281		1822
1282	if ($self->load_temp) {	1823	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1824	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1825	} else {
1289	$self->load_orig	1826	$self->load_header_orig
1290	or return;	1827	or return;
1291		1828	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	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;
1297		1836
1298	1	1837	1
1299	}	1838	}
1300		1839
1301	sub find;	1840	sub find;
…		…
1314	$map->{last_save} = $cf::RUNTIME;	1853	$map->{last_save} = $cf::RUNTIME;
1315		1854
1316	$map->load_header	1855	$map->load_header
1317	or return;	1856	or return;
1318		1857
1319	if ($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;
1320	$map->reset;	1861	$map->reset;
1321	undef $guard;	1862	undef $guard;
1322	$map = find $path	1863	return find $path;
1323	or return;
1324	}	1864	}
1325		1865
1326	$cf::MAP{$path} = $map	1866	$cf::MAP{$path} = $map
1327	}	1867	}
1328	}	1868	}
		1869
		1870	sub pre_load { }
		1871	sub post_load { }
1329		1872
1330	sub load {	1873	sub load {
1331	my ($self) = @_;	1874	my ($self) = @_;
1332		1875
		1876	local $self->{deny_reset} = 1; # loading can take a long time
		1877
1333	my $path = $self->{path};	1878	my $path = $self->{path};
		1879
		1880	{
		1881	my $guard1 = cf::lock_acquire "map_data:$path";
1334	my $guard = cf::lock_acquire "map_load:$path";	1882	my $guard2 = cf::lock_acquire "map_load:$path";
1335		1883
1336	return if $self->in_memory != cf::MAP_SWAPPED;	1884	return if $self->in_memory != cf::MAP_SWAPPED;
1337		1885
1338	$self->in_memory (cf::MAP_LOADING);	1886	$self->in_memory (cf::MAP_LOADING);
1339		1887
1340	$self->alloc;	1888	$self->alloc;
1341	$self->_load_objects ($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)
1342	or return;	1896	or return;
1343		1897
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1345	if delete $self->{load_original};	1899	if delete $self->{load_original};
1346		1900
1347	if (my $uniq = $self->uniq_path) {	1901	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;	1902	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {	1903	unless (aio_stat $uniq) {
		1904	if (my $f = new_from_file cf::object::thawer $uniq) {
1350	$self->clear_unique_items;	1905	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);	1906	$self->_load_objects ($f);
		1907	$f->resolve_delayed_derefs;
		1908	}
1352	}	1909	}
1353	}	1910	}
1354		1911
1355	Coro::cede;	1912	$f->resolve_delayed_derefs;
1356		1913
		1914	cf::cede_to_tick;
1357	# now do the right thing for maps	1915	# now do the right thing for maps
1358	$self->link_multipart_objects;	1916	$self->link_multipart_objects;
1359
1360	unless ($self->{deny_activate}) {
1361	$self->decay_objects;
1362	$self->fix_auto_apply;
1363	$self->update_buttons;
1364	Coro::cede;
1365	$self->set_darkness_map;
1366	$self->difficulty ($self->estimate_difficulty)	1917	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	1918	unless $self->difficulty;
1368	Coro::cede;	1919	cf::cede_to_tick;
		1920
		1921	unless ($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;
1369	$self->activate;	1928	$self->activate;
1370	}	1929	}
1371		1930
		1931	$self->{last_save} = $cf::RUNTIME;
		1932	$self->last_access ($cf::RUNTIME);
		1933
1372	$self->in_memory (cf::MAP_IN_MEMORY);	1934	$self->in_memory (cf::MAP_IN_MEMORY);
		1935	}
		1936
		1937	$self->post_load;
1373	}	1938	}
1374		1939
1375	sub customise_for {	1940	sub customise_for {
1376	my ($self, $ob) = @_;	1941	my ($self, $ob) = @_;
1377		1942
1378	return find "~" . $ob->name . "/" . $self->{path}	1943	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	1944	if $self->per_player;
1380		1945
		1946	# return find "?party/" . $ob->name . "/" . $self->{path}
		1947	# if $self->per_party;
		1948
1381	$self	1949	$self
1382	}	1950	}
1383		1951
1384	# find and load all maps in the 3x3 area around a map	1952	# find and load all maps in the 3x3 area around a map
1385	sub load_diag {	1953	sub load_neighbours {
1386	my ($map) = @_;	1954	my ($map) = @_;
1387		1955
1388	my @diag; # diagonal neighbours	1956	my @neigh; # diagonal neighbours
1389		1957
1390	for (0 .. 3) {	1958	for (0 .. 3) {
1391	my $neigh = $map->tile_path ($_)	1959	my $neigh = $map->tile_path ($_)
1392	or next;	1960	or next;
1393	$neigh = find $neigh, $map	1961	$neigh = find $neigh, $map
1394	or next;	1962	or next;
1395	$neigh->load;	1963	$neigh->load;
1396		1964
		1965	push @neigh,
1397	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1966	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1398	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1967	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1399	}	1968	}
1400		1969
1401	for (@diag) {	1970	for (grep defined $_->[0], @neigh) {
		1971	my ($path, $origin) = @$_;
1402	my $neigh = find @$_	1972	my $neigh = find $path, $origin
1403	or next;	1973	or next;
1404	$neigh->load;	1974	$neigh->load;
1405	}	1975	}
1406	}	1976	}
1407		1977
…		…
1412	}	1982	}
1413		1983
1414	sub do_load_sync {	1984	sub do_load_sync {
1415	my ($map) = @_;	1985	my ($map) = @_;
1416		1986
		1987	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1988	if $Coro::current == $Coro::main;
		1989
1417	cf::sync_job { $map->load };	1990	cf::sync_job { $map->load };
1418	}	1991	}
1419		1992
1420	our %MAP_PREFETCH;	1993	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	1994	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		1995
1434	sub find_async {	1996	sub find_async {
1435	my ($path, $origin) = @_;	1997	my ($path, $origin, $load) = @_;
1436		1998
1437	$path = normalise $path, $origin && $origin->{path};	1999	$path = normalise $path, $origin && $origin->{path};
1438		2000
1439	if (my $map = $cf::MAP{$path}) {	2001	if (my $map = $cf::MAP{$path}) {
1440	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;
1441	}	2018	};
1442
1443	$MAP_PREFETCH{$path} = 0;
1444	$MAP_PREFETCHER->ready;	2019	$MAP_PREFETCHER->prio (6);
1445		2020
1446	()	2021	()
1447	}	2022	}
1448		2023
1449	sub save {	2024	sub save {
1450	my ($self) = @_;	2025	my ($self) = @_;
1451		2026
1452	my $lock = cf::lock_acquire "map_data:" . $self->path;	2027	my $lock = cf::lock_acquire "map_data:$self->{path}";
1453		2028
1454	$self->{last_save} = $cf::RUNTIME;	2029	$self->{last_save} = $cf::RUNTIME;
1455		2030
1456	return unless $self->dirty;	2031	return unless $self->dirty;
1457		2032
…		…
1480	my ($self) = @_;	2055	my ($self) = @_;
1481		2056
1482	# save first because save cedes	2057	# save first because save cedes
1483	$self->save;	2058	$self->save;
1484		2059
1485	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1486		2061
1487	return if $self->players;	2062	return if $self->players;
1488	return if $self->in_memory != cf::MAP_IN_MEMORY;	2063	return if $self->in_memory != cf::MAP_IN_MEMORY;
1489	return if $self->{deny_save};	2064	return if $self->{deny_save};
1490		2065
…		…
1494		2069
1495	sub reset_at {	2070	sub reset_at {
1496	my ($self) = @_;	2071	my ($self) = @_;
1497		2072
1498	# TODO: safety, remove and allow resettable per-player maps	2073	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");
1500	return 1e99 if $self->{deny_reset};	2074	return 1e99 if $self->{deny_reset};
1501		2075
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2076	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2077	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		2078
…		…
1509	my ($self) = @_;	2083	my ($self) = @_;
1510		2084
1511	$self->reset_at <= $cf::RUNTIME	2085	$self->reset_at <= $cf::RUNTIME
1512	}	2086	}
1513		2087
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	2088	sub reset {
1529	my ($self) = @_;	2089	my ($self) = @_;
1530		2090
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	2091	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2092
1533	return if $self->players;	2093	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		2094
1536	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	}
1537		2106
1538	delete $cf::MAP{$self->path};	2107	delete $cf::MAP{$self->path};
1539		2108
1540	$self->in_memory (cf::MAP_SWAPPED);
1541	$self->clear;	2109	$self->clear;
1542		2110
1543	$_->clear_links_to ($self) for values %cf::MAP;	2111	$_->clear_links_to ($self) for values %cf::MAP;
1544		2112
1545	$self->unlink_save;	2113	$self->unlink_save;
…		…
1549	my $nuke_counter = "aaaa";	2117	my $nuke_counter = "aaaa";
1550		2118
1551	sub nuke {	2119	sub nuke {
1552	my ($self) = @_;	2120	my ($self) = @_;
1553		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};
1554	$self->{deny_save} = 1;	2131	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	2132	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	2133	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2134
		2135	$cf::MAP{$self->path} = $self;
		2136	}
		2137
1557	$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	]
1558	}	2175	}
1559		2176
1560	=item cf::map::unique_maps	2177	=item cf::map::unique_maps
1561		2178
1562	Returns an arrayref of paths of all shared maps that have	2179	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	2180	instantiated unique items. May block.
1564		2181
1565	=cut	2182	=cut
1566		2183
1567	sub unique_maps() {	2184	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2185	[
1569	or return;	2186	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	2187	utf8::decode $_;
1575	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;
1577
1578	s/\.map$//;	2188	/\.map$/
1579	push @paths, $_;	2189	? normalise $_
		2190	: ()
		2191	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	2192	]
1581
1582	\@paths
1583	}	2193	}
1584		2194
1585	package cf;	2195	package cf;
1586		2196
1587	=back	2197	=back
…		…
1605	map { $_, inv_recursive_ $_->inv } @_	2215	map { $_, inv_recursive_ $_->inv } @_
1606	}	2216	}
1607		2217
1608	sub inv_recursive {	2218	sub inv_recursive {
1609	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	}
1610	}	2251	}
1611		2252
1612	package cf;	2253	package cf;
1613		2254
1614	=back	2255	=back
…		…
1633		2274
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2275	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2276
1636	if ($self->{record_replies}) {	2277	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2278	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2279
1638	} 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 {
1639	$msg = $npc->name . " says: $msg" if $npc;	2288	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2289	$self->message ($msg, $flags);
		2290	}
1641	}	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 (@_);
1642	}	2302	}
1643		2303
1644	=item $player_object->may ("access")	2304	=item $player_object->may ("access")
1645		2305
1646	Returns wether the given player is authorized to access resource "access"	2306	Returns wether the given player is authorized to access resource "access"
…		…
1678	=cut	2338	=cut
1679		2339
1680	sub link_map {	2340	sub link_map {
1681	unless ($LINK_MAP) {	2341	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2342	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2343	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2344	$LINK_MAP->load;
1685	}	2345	}
1686		2346
1687	$LINK_MAP	2347	$LINK_MAP
1688	}	2348	}
…		…
1693	$self->deactivate_recursive;	2353	$self->deactivate_recursive;
1694		2354
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2355	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2356
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2357	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2358	if $self->map && $self->map->{path} ne "{link}";
1699		2359
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2360	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	2361	}
1702		2362
1703	sub cf::object::player::leave_link {	2363	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2364	my ($self, $map, $x, $y) = @_;
		2365
		2366	return unless $self->contr->active;
1705		2367
1706	my $link_pos = delete $self->{_link_pos};	2368	my $link_pos = delete $self->{_link_pos};
1707		2369
1708	unless ($map) {	2370	unless ($map) {
1709	# restore original map position	2371	# restore original map position
…		…
1723	# use -1 or undef as default coordinates, not 0, 0	2385	# use -1 or undef as default coordinates, not 0, 0
1724	($x, $y) = ($map->enter_x, $map->enter_y)	2386	($x, $y) = ($map->enter_x, $map->enter_y)
1725	if $x <=0 && $y <= 0;	2387	if $x <=0 && $y <= 0;
1726		2388
1727	$map->load;	2389	$map->load;
1728	$map->load_diag;	2390	$map->load_neighbours;
1729		2391
1730	return unless $self->contr->active;	2392	return unless $self->contr->active;
1731	$self->activate_recursive;	2393	$self->activate_recursive;
		2394
		2395	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2396	$self->enter_map ($map, $x, $y);
1733	}	2397	}
1734		2398
1735	cf::player->attach (	2399	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1736	on_logout => sub {
1737	my ($pl) = @_;
1738		2400
1739	# abort map switching before logout	2401	Moves the player to the given map-path and coordinates by first freezing
1740	if ($pl->ob->{_link_pos}) {	2402	her, loading and preparing them map, calling the provided $check callback
1741	cf::sync_job {	2403	that has to return the map if sucecssful, and then unfreezes the player on
1742	$pl->ob->leave_link	2404	the new (success) or old (failed) map position. In either case, $done will
1743	};	2405	be called at the end of this process.
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748		2406
1749	# try to abort aborted map switching on player login :)
1750	# should happen only on crashes
1751	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;
1753	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "
1758	. "the server will try to bring you to your intended destination in a second.",
1759	cf::NDI_RED);
1760	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;
1762	})->prio (2);
1763	}
1764	},
1765	);
1766
1767	=item $player_object->goto ($path, $x, $y)
1768
1769	=cut	2407	=cut
		2408
		2409	our $GOTOGEN;
1770		2410
1771	sub cf::object::player::goto {	2411	sub cf::object::player::goto {
1772	my ($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;
1773		2416
1774	$self->enter_link;	2417	$self->enter_link;
1775		2418
1776	(async {	2419	(async {
		2420	my $map = eval {
1777	my $map = cf::map::find $path;	2421	my $map = cf::map::find $path;
		2422
		2423	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2424	$map = $map->customise_for ($self);
1779		2425	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2426	} else {
1781	# if $map;
1782
1783	$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	}
1784		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};
1785	$self->leave_link ($map, $x, $y);	2440	$self->leave_link ($map, $x, $y);
		2441	}
		2442
		2443	$done->() if $done;
1786	})->prio (1);	2444	})->prio (1);
1787	}	2445	}
1788		2446
1789	=item $player_object->enter_exit ($exit_object)	2447	=item $player_object->enter_exit ($exit_object)
1790		2448
…		…
1792		2450
1793	sub parse_random_map_params {	2451	sub parse_random_map_params {
1794	my ($spec) = @_;	2452	my ($spec) = @_;
1795		2453
1796	my $rmp = { # defaults	2454	my $rmp = { # defaults
1797	xsize => 10,	2455	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2456	ysize => (cf::rndm 15, 40),
		2457	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2458	#layout => string,
1799	};	2459	};
1800		2460
1801	for (split /\n/, $spec) {	2461	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2462	my ($k, $v) = split /\s+/, $_, 2;
1803		2463
…		…
1807	$rmp	2467	$rmp
1808	}	2468	}
1809		2469
1810	sub prepare_random_map {	2470	sub prepare_random_map {
1811	my ($exit) = @_;	2471	my ($exit) = @_;
		2472
		2473	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2474
1813	# all this does is basically replace the /! path by	2475	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2476	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2477	# that depends on the exit object
1816		2478
1817	my $rmp = parse_random_map_params $exit->msg;	2479	my $rmp = parse_random_map_params $exit->msg;
1818		2480
1819	if ($exit->map) {	2481	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2482	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2483	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2484	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2485	$rmp->{origin_y} = $exit->y;
1824	}	2486	}
1825		2487
1826	$rmp->{random_seed} ||= $exit->random_seed;	2488	$rmp->{random_seed} ||= $exit->random_seed;
1827		2489
1828	my $data = cf::to_json $rmp;	2490	my $data = cf::to_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	2491	my $md5 = Digest::MD5::md5_hex $data;
		2492	my $meta = "$RANDOMDIR/$md5.meta";
1830		2493
1831	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) {
1832	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;
1833		2498
1834	$exit->slaying ("?random/$md5");	2499	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2500	$exit->msg (undef);
1836	}	2501	}
1837	}	2502	}
…		…
1839	sub cf::object::player::enter_exit {	2504	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2505	my ($self, $exit) = @_;
1841		2506
1842	return unless $self->type == cf::PLAYER;	2507	return unless $self->type == cf::PLAYER;
1843		2508
		2509	if ($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
1844	$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);
1845		2525
1846	(async {	2526	(async {
1847	$self->deactivate_recursive; # just to be sure	2527	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2528	unless (eval {
1849	prepare_random_map $exit	2529	$self->goto ($slaying, $hp, $sp);
1850	if $exit->slaying eq "/!";
1851
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1854		2530
1855	1;	2531	1;
1856	}) {	2532	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2533	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "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. "
1859	. "Please report this to the dungeon master!",	2535	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2536	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2537
1862	warn "ERROR in enter_exit: $@";	2538	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2539	$self->leave_link;
1864	}	2540	}
1865	})->prio (1);	2541	})->prio (1);
…		…
1878		2554
1879	sub cf::client::send_drawinfo {	2555	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2556	my ($self, $text, $flags) = @_;
1881		2557
1882	utf8::encode $text;	2558	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2559	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2560	}
1885		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	}
1886		2677
1887	=item $success = $client->query ($flags, "text", \&cb)	2678	=item $success = $client->query ($flags, "text", \&cb)
1888		2679
1889	Queues a query to the client, calling the given callback with	2680	Queues a query to the client, calling the given callback with
1890	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>,
1891	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>.
1892		2683
1893	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
1894	reliable at some point in the future.	2685	become reliable at some point in the future.
1895		2686
1896	=cut	2687	=cut
1897		2688
1898	sub cf::client::query {	2689	sub cf::client::query {
1899	my ($self, $flags, $text, $cb) = @_;	2690	my ($self, $flags, $text, $cb) = @_;
…		…
1907	utf8::encode $text;	2698	utf8::encode $text;
1908	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2699	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1909		2700
1910	$self->send_packet ($self->{query_queue}[0][0])	2701	$self->send_packet ($self->{query_queue}[0][0])
1911	if @{ $self->{query_queue} } == 1;	2702	if @{ $self->{query_queue} } == 1;
		2703
		2704	1
1912	}	2705	}
1913		2706
1914	cf::client->attach (	2707	cf::client->attach (
		2708	on_connect => sub {
		2709	my ($ns) = @_;
		2710
		2711	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2712	},
1915	on_reply => sub {	2713	on_reply => sub {
1916	my ($ns, $msg) = @_;	2714	my ($ns, $msg) = @_;
1917		2715
1918	# this weird shuffling is so that direct followup queries	2716	# this weird shuffling is so that direct followup queries
1919	# get handled first	2717	# get handled first
1920	my $queue = delete $ns->{query_queue}	2718	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2719	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2720
1923	(shift @$queue)->[1]->($msg);	2721	(shift @$queue)->[1]->($msg);
		2722	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2723
1925	push @{ $ns->{query_queue} }, @$queue;	2724	push @{ $ns->{query_queue} }, @$queue;
1926		2725
1927	if (@{ $ns->{query_queue} } == @$queue) {	2726	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2727	if (@$queue) {
…		…
1930	} else {	2729	} else {
1931	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2730	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1932	}	2731	}
1933	}	2732	}
1934	},	2733	},
		2734	on_exticmd => sub {
		2735	my ($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	},
1935	);	2760	);
1936		2761
1937	=item $client->async (\&cb)	2762	=item $client->async (\&cb)
1938		2763
1939	Create a new coroutine, running the specified callback. The coroutine will	2764	Create a new coroutine, running the specified callback. The coroutine will
…		…
1980	our $safe = new Safe "safe";	2805	our $safe = new Safe "safe";
1981	our $safe_hole = new Safe::Hole;	2806	our $safe_hole = new Safe::Hole;
1982		2807
1983	$SIG{FPE} = 'IGNORE';	2808	$SIG{FPE} = 'IGNORE';
1984		2809
1985	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2810	$safe->permit_only (Opcode::opset qw(
		2811	:base_core :base_mem :base_orig :base_math
		2812	grepstart grepwhile mapstart mapwhile
		2813	sort time
		2814	));
1986		2815
1987	# here we export the classes and methods available to script code	2816	# here we export the classes and methods available to script code
1988		2817
1989	=pod	2818	=pod
1990		2819
1991	The following fucntions and emthods are available within a safe environment:	2820	The following functions and methods are available within a safe environment:
1992		2821
1993	cf::object contr pay_amount pay_player map	2822	cf::object
		2823	contr pay_amount pay_player map x y force_find force_add
		2824	insert remove name archname title slaying race decrease_ob_nr
		2825
1994	cf::object::player player	2826	cf::object::player
1995	cf::player peaceful	2827	player
1996	cf::map trigger	2828
		2829	cf::player
		2830	peaceful
		2831
		2832	cf::map
		2833	trigger
1997		2834
1998	=cut	2835	=cut
1999		2836
2000	for (	2837	for (
2001	["cf::object" => qw(contr pay_amount pay_player map)],	2838	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2839	insert remove inv name archname title slaying race
		2840	decrease_ob_nr)],
2002	["cf::object::player" => qw(player)],	2841	["cf::object::player" => qw(player)],
2003	["cf::player" => qw(peaceful)],	2842	["cf::player" => qw(peaceful)],
2004	["cf::map" => qw(trigger)],	2843	["cf::map" => qw(trigger)],
2005	) {	2844	) {
2006	no strict 'refs';	2845	no strict 'refs';
…		…
2077	=back	2916	=back
2078		2917
2079	=cut	2918	=cut
2080		2919
2081	#############################################################################	2920	#############################################################################
		2921	# the server's init and main functions
2082		2922
2083	=head2 EXTENSION DATABASE SUPPORT	2923	sub load_facedata($) {
		2924	my ($path) = @_;
2084		2925
2085	Crossfire maintains a very simple database for extension use. It can	2926	# HACK to clear player env face cache, we need some signal framework
2086	currently store anything that can be serialised using Storable, which	2927	# for this (global event?)
2087	excludes objects.	2928	%ext::player_env::MUSIC_FACE_CACHE = ();
2088		2929
2089	The parameter C<$family> should best start with the name of the extension	2930	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2090	using it, it should be unique.
2091		2931
2092	=over 4	2932	warn "loading facedata from $path\n";
2093		2933
2094	=item $hashref = cf::db_get $family	2934	my $facedata;
		2935	0 < aio_load $path, $facedata
		2936	or die "$path: $!";
2095		2937
2096	Return a hashref for use by the extension C<$family>, which can be	2938	$facedata = Coro::Storable::thaw $facedata;
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099		2939
2100	=item $value = cf::db_get $family => $key	2940	$facedata->{version} == 2
		2941	or cf::cleanup "$path: version mismatch, cannot proceed.";
2101		2942
2102	Returns a single value from the database	2943	# patch in the exptable
2103		2944	$facedata->{resource}{"res/exp_table"} = {
2104	=item cf::db_put $family => $hashref	2945	type => FT_RSRC,
2105		2946	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2106	Stores the given family hashref into the database. Updates are delayed, if
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108
2109	=item cf::db_put $family => $key => $value
2110
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121
2122	=cut
2123
2124	our $DB;
2125
2126	{
2127	my $path = cf::localdir . "/database.pst";
2128
2129	sub db_load() {
2130	$DB = stat $path ? Storable::retrieve $path : { };
2131	}
2132
2133	my $pid;
2134
2135	sub db_save() {
2136	waitpid $pid, 0 if $pid;
2137	if (0 == ($pid = fork)) {
2138	$DB->{_meta}{version} = 1;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}
2143	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});	2947	};
		2948	cf::cede_to_tick;
2155		2949
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}	2950	{
		2951	my $faces = $facedata->{faceinfo};
2160		2952
2161	sub db_get($;$) {	2953	while (my ($face, $info) = each %$faces) {
2162	@_ >= 2	2954	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2163	? $DB->{$_[0]}{$_[1]}	2955	cf::face::set_visibility $idx, $info->{visibility};
2164	: ($DB->{$_[0]} ||= { })	2956	cf::face::set_magicmap $idx, $info->{magicmap};
2165	}	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};
2166		2959
2167	sub db_put($$;$) {	2960	cf::cede_to_tick;
2168	if (@_ >= 3) {
2169	$DB->{$_[0]}{$_[1]} = $_[2];
2170	} else {
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175
2176	cf::global->attach (
2177	prio => 10000,
2178	on_cleanup => sub {
2179	db_sync;
2180	},	2961	}
2181	);
2182	}
2183		2962
2184	#############################################################################	2963	while (my ($face, $info) = each %$faces) {
2185	# 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	}
2186		2973
2187	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 {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	3100	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	3101	or return;
2190		3102
2191	local $/;	3103	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	3104	*CFG = YAML::Syck::Load <$fh>;
2193		3105
…		…
2207		3119
2208	sub main {	3120	sub main {
2209	# we must not ever block the main coroutine	3121	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	3122	local $Coro::idle = sub {
2211	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 {
2212	async { Event::one_event };	3125	Event::one_event;
		3126	})->prio (Coro::PRIO_MAX);
2213	};	3127	};
2214		3128
2215	cfg_load;	3129	reload_config;
2216	db_load;	3130	db_init;
2217	load_extensions;	3131	load_extensions;
		3132
		3133	$TICK_WATCHER->start;
2218	Event::loop;	3134	Event::loop;
2219	}	3135	}
2220		3136
2221	#############################################################################	3137	#############################################################################
2222	# initialisation and cleanup	3138	# initialisation and cleanup
2223		3139
2224	# install some emergency cleanup handlers	3140	# install some emergency cleanup handlers
2225	BEGIN {	3141	BEGIN {
2226	for my $signal (qw(INT HUP TERM)) {	3142	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	3143	Event->signal (
		3144	reentrant => 0,
2228	data => WF_AUTOCANCEL,	3145	data => WF_AUTOCANCEL,
2229	signal => $signal,	3146	signal => $signal,
		3147	prio => 0,
2230	cb => sub {	3148	cb => sub {
2231	cf::cleanup "SIG$signal";	3149	cf::cleanup "SIG$signal";
2232	},	3150	},
2233	);	3151	);
2234	}	3152	}
		3153	}
		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
2235	}	3191	}
2236		3192
2237	sub emergency_save() {	3193	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	3194	my $freeze_guard = cf::freeze_mainloop;
2239		3195
…		…
2256	my $map = $cf::MAP{$path} or next;	3212	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	3213	$map->valid or next;
2258	$map->save;	3214	$map->save;
2259	}	3215	}
2260	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";
2261	};	3221	};
2262		3222
2263	warn "leave emergency perl save\n";	3223	warn "leave emergency perl save\n";
2264	}	3224	}
2265		3225
		3226	sub post_cleanup {
		3227	my ($make_core) = @_;
		3228
		3229	warn Carp::longmess "post_cleanup backtrace"
		3230	if $make_core;
		3231	}
		3232
2266	sub reload() {	3233	sub do_reload_perl() {
2267	# can/must only be called in main	3234	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	3235	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	3236	warn "can only reload from main coroutine";
2270	return;	3237	return;
2271	}	3238	}
2272		3239
2273	warn "reloading...";	3240	warn "reloading...";
2274		3241
2275	warn "freezing server";	3242	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	3243
		3244	cf::sync_job {
		3245	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	3246	cf::emergency_save;
		3247	cf::write_runtime; # external watchdog should not bark
2278		3248
2279	warn "sync database to disk";	3249	warn "syncing database to disk";
2280	cf::db_sync;	3250	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		3251
2283	eval {
2284	# 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
2285		3253
2286	warn "cancel all watchers";	3254	warn "cancelling all WF_AUTOCANCEL watchers";
2287	for (Event::all_watchers) {	3255	for (Event::all_watchers) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	3256	$_->cancel if $_->data & WF_AUTOCANCEL;
2289	}	3257	}
2290		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
2291	warn "cancel all extension coros";	3270	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	3271	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	3272	%EXT_CORO = ();
2294		3273
2295	warn "remove commands";	3274	warn "removing commands";
2296	%COMMAND = ();	3275	%COMMAND = ();
2297		3276
2298	warn "remove ext commands";	3277	warn "removing ext/exti commands";
2299	%EXTCMD = ();	3278	%EXTCMD = ();
		3279	%EXTICMD = ();
2300		3280
2301	warn "unload/nuke all extensions";	3281	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	3282	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	3283	warn "... unloading $pkg";
2304		3284
2305	if (my $cb = $pkg->can ("unload")) {	3285	if (my $cb = $pkg->can ("unload")) {
2306	eval {	3286	eval {
…		…
2311		3291
2312	warn "... nuking $pkg";	3292	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	3293	Symbol::delete_package $pkg;
2314	}	3294	}
2315		3295
2316	warn "unload all perl modules loaded from $LIBDIR";	3296	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	3297	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3298	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		3299
2320	warn "removing <$k>";	3300	warn "... unloading $k";
2321	delete $INC{$k};	3301	delete $INC{$k};
2322		3302
2323	$k =~ s/\.pm$//;	3303	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	3304	$k =~ s/\//::/g;
2325		3305
…		…
2328	}	3308	}
2329		3309
2330	Symbol::delete_package $k;	3310	Symbol::delete_package $k;
2331	}	3311	}
2332		3312
2333	warn "get rid of safe::, as good as possible";	3313	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	3314	Symbol::delete_package "safe::$_"
2335	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);
2336		3316
2337	warn "unload cf.pm \"a bit\"";	3317	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	3318	delete $INC{"cf.pm"};
		3319	delete $INC{"cf/pod.pm"};
2339		3320
2340	# don't, removes xs symbols, too,	3321	# don't, removes xs symbols, too,
2341	# and global variables created in xs	3322	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	3323	#Symbol::delete_package __PACKAGE__;
2343		3324
		3325	warn "unload completed, starting to reload now";
		3326
2344	warn "reloading cf.pm";	3327	warn "reloading cf.pm";
2345	require cf;	3328	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3329	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		3330
2348	warn "load config and database again";	3331	warn "loading config and database again";
2349	cf::cfg_load;	3332	cf::reload_config;
2350	cf::db_load;
2351		3333
2352	warn "load extensions";	3334	warn "loading extensions";
2353	cf::load_extensions;	3335	cf::load_extensions;
2354		3336
2355	warn "reattach attachments to objects/players";	3337	warn "reattaching attachments to objects/players";
2356	_global_reattach;	3338	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	3339	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	3340	reattach $_ for values %MAP;
2359	};	3341	warn "reattaching attachments to players";
		3342	reattach $_ for values %PLAYER;
2360		3343
2361	if ($@) {	3344	warn "leaving sync_job";
		3345
		3346	1
		3347	} or do {
2362	warn $@;	3348	warn $@;
2363	warn "error while reloading, exiting.";	3349	warn "error while reloading, exiting.";
2364	exit 1;	3350	exit 1;
2365	}	3351	};
2366		3352
2367	warn "reloaded";	3353	warn "reloaded";
2368	};	3354	};
2369		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
2370	register_command "reload" => sub {	3373	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	3374	my ($who, $arg) = @_;
2372		3375
2373	if ($who->flag (FLAG_WIZ)) {	3376	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	3377	$who->message ("reloading server.");
		3378	async { reload_perl };
2377	}	3379	}
2378	};	3380	};
2379		3381
2380	unshift @INC, $LIBDIR;	3382	unshift @INC, $LIBDIR;
2381		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;
2382	$TICK_WATCHER = Event->timer (	3409	$TICK_WATCHER = Event->timer (
2383	reentrant => 0,	3410	reentrant => 0,
		3411	parked => 1,
2384	prio => 0,	3412	prio => 0,
2385	at => $NEXT_TICK || $TICK,	3413	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,	3414	data => WF_AUTOCANCEL,
2387	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
2388	$NOW = Event::time;	3422	$NOW = $tick_start = Event::time;
2389		3423
2390	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
2391	$RUNTIME += $TICK;	3449	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	3450	$NEXT_TICK += $TICK;
2393		3451
2394	$WAIT_FOR_TICK->broadcast;	3452	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$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;
2396		3471
2397	# 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
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3473	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2399		3474
2400	$TICK_WATCHER->at ($NEXT_TICK);	3475	$TICK_WATCHER->at ($NEXT_TICK);
2401	$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
2402	},	3484	},
2403	);	3485	);
2404		3486
		3487	{
2405	IO::AIO::max_poll_time $TICK * 0.2;	3488	BDB::max_poll_time $TICK * 0.1;
2406		3489	$BDB_POLL_WATCHER = Event->io (
2407	Event->io (	3490	reentrant => 0,
2408	fd => IO::AIO::poll_fileno,	3491	fd => BDB::poll_fileno,
2409	poll => 'r',	3492	poll => 'r',
2410	prio => 5,	3493	prio => 0,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,	3494	data => WF_AUTOCANCEL,
2417	after => 0,	3495	cb => \&BDB::poll_cb,
2418	interval => 10,	3496	);
2419	cb => sub {	3497	BDB::min_parallel 8;
2420	(Coro::unblock_sub {	3498
2421	write_runtime	3499	BDB::set_sync_prepare {
2422	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 $@;
2423	})->();	3533	};
2424	},	3534	}
2425	);	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;
2426		3592
2427	END { cf::emergency_save }	3593	END { cf::emergency_save }
2428		3594
2429	1	3595	1
2430		3596

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