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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.165 by root, Fri Jan 12 22:09:22 2007 UTC vs.
Revision 1.347 by root, Thu Aug 30 05:16:09 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	80	our $NEXT_TICK;
50	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
51		86
52	our %CFG;	87	our %CFG;
53		88
54	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	90	our $RUNTIME;
56		91
57	our %PLAYER; # all users	92	our %PLAYER; # all users
58	our %MAP; # all maps	93	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		95
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
64		102
65	binmode STDOUT;	103	binmode STDOUT;
66	binmode STDERR;	104	binmode STDERR;
67		105
68	# read virtual server time, if available	106	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
73	}	111	}
74		112
75	mkdir cf::localdir;	113	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		115
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
84		119
85	#############################################################################	120	#############################################################################
86		121
87	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
88		123
…		…
95	=item $cf::RUNTIME	130	=item $cf::RUNTIME
96		131
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	133	every server tick.
99		134
100	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		138
102	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
104		143
105	=item $cf::NOW	144	=item $cf::NOW
106		145
107	The time of the last (current) server tick.	146	The time of the last (current) server tick.
108		147
109	=item $cf::TICK	148	=item $cf::TICK
110		149
111	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
112		161
113	=item %cf::CFG	162	=item %cf::CFG
114		163
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	165	from wherever your confdir points to.
117		166
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		168
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
124		178
125	=back	179	=back
126		180
127	=cut	181	=cut
128		182
129	BEGIN {	183	BEGIN {
130	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	185	my $msg = join "", @_;
132	utf8::encode $msg;
133		186
134	$msg .= "\n"	187	$msg .= "\n"
135	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
136		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
137	LOG llevError, $msg;	193	LOG llevError, $msg;
138	};	194	};
139	}	195	}
140		196
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		204
148	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	206	# within the Safe compartment.
150	for my $pkg (qw(	207	for my $pkg (qw(
151	cf::global cf::attachable	208	cf::global cf::attachable
…		…
159	}	216	}
160		217
161	$Event::DIED = sub {	218	$Event::DIED = sub {
162	warn "error in event callback: @_";	219	warn "error in event callback: @_";
163	};	220	};
		221
		222	#############################################################################
164		223
165	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
166		225
167	=over 4	226	=over 4
168		227
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	247	$d
189	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
190	}	249	}
191		250
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
195		252
196	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
197		254
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
206		256
207	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
208		258
209	=cut	259	=cut
210		260
211	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
213	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
214	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
215		265
216	=item cf::lock_wait $string	266	=item cf::lock_wait $string
217		267
218	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
219		269
…		…
222	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
223	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
224	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
225	returned.	275	returned.
226		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
227	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
229		286
230	=cut	287	=cut
231		288
232	our %LOCK;	289	our %LOCK;
233		290
…		…
253	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
255	}	312	}
256	}	313	}
257		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
258	sub freeze_mainloop {	321	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
260		323
261	my $guard = Coro::guard { $TICK_WATCHER->start };	324	my $guard = Coro::guard {
		325	$TICK_WATCHER->start;
		326	};
262	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
263	$guard	328	$guard
		329	}
		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
264	}	385	}
265		386
266	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
267		388
268	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		394
274	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
275		396
276	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
277		398
278	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
281		403
282	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
285	fast or be very important.	407	fast or be very important.
…		…
288		410
289	sub sync_job(&) {	411	sub sync_job(&) {
290	my ($job) = @_;	412	my ($job) = @_;
291		413
292	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
293	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
295		419
296	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
308		432
309	while ($busy) {	433	while ($busy) {
310	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
311	}	435	}
312		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
313	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
314	} else {	445	} else {
315	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
316		447
317	$job->()	448	$job->()
…		…
336	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
337		468
338	$coro	469	$coro
339	}	470	}
340		471
341	sub write_runtime {	472	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		473
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
345	or return;	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
346		478
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	479	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		480
351	aio_fsync $fh	481	sub fork_call(&@) {
352	and return;	482	my ($cb, @args) = @_;
353		483
354	close $fh	484	# we seemingly have to make a local copy of the whole thing,
355	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
356		487
357	aio_rename "$runtime~", $runtime	488	my @res = Coro::Util::fork_eval {
358	and return;	489	reset_signals;
		490	&$cb
		491	}, @args;
359		492
		493	wantarray ? @res : $res[-1]
		494	}
		495
		496	=item $value = cf::db_get $family => $key
		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
360	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	621	}
362		622
363	=back	623	=back
364		624
365	=cut	625	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	$self->{user_rel} || $self->{ext}
502	? undef
503	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
504	}
505
506	sub customise_for {
507	my ($self, $map, $ob) = @_;
508
509	if ($map->per_player) {
510	return cf::map::find ("~" . $ob->name . "/" . $map->{path}{path});
511	}
512
513	$map
514	}
515
516	# this is somewhat ugly, but style maps do need special treatment
517	sub is_style_map {
518	$_[0]{path} =~ m{^/styles/}
519	}
520
521	sub load_orig {
522	my ($self) = @_;
523
524	&cf::map::load_map_header ($self->load_path)
525	}
526
527	sub load_temp {
528	my ($self) = @_;
529
530	&cf::map::load_map_header ($self->save_path)
531	}
532
533	sub unlink_save {
534	my ($self) = @_;
535
536	utf8::encode (my $save = $self->save_path);
537	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
538	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
539	}
540
541	package cf;
542		626
543	#############################################################################	627	#############################################################################
544		628
545	=head2 ATTACHABLE OBJECTS	629	=head2 ATTACHABLE OBJECTS
546		630
…		…
548	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
549	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
550		634
551	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
552	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
553	crossfire+).	637	Crossfire TRT).
554		638
555	=over 4	639	=over 4
556		640
557	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
558		642
…		…
672	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
673	our @CB_MAP = ();	757	our @CB_MAP = ();
674		758
675	my %attachment;	759	my %attachment;
676		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
677	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
678	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
679		769
680	use sort 'stable';	770	use sort 'stable';
681		771
…		…
715	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
716		806
717	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
718	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
719	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
720	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
721		811
722	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
723	my $pkg = shift @arg;	813	my $pkg = shift @arg;
724		814
725	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
754	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
755	}	845	}
756		846
757	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
758	} else {	848	} else {
759	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
760	}	850	}
761		851
762	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
763	}	853	}
764		854
…		…
766	if (ref $_[0]) {	856	if (ref $_[0]) {
767	_object_attach @_;	857	_object_attach @_;
768	} else {	858	} else {
769	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
770	}	860	}
		861	_recalc_want;
771	};	862	};
772		863
773	# all those should be optimised	864	# all those should be optimised
774	sub cf::attachable::detach {	865	sub cf::attachable::detach {
775	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
778	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
779	reattach ($obj);	870	reattach ($obj);
780	} else {	871	} else {
781	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
782	}	873	}
		874	_recalc_want;
783	};	875	};
784		876
785	sub cf::attachable::attached {	877	sub cf::attachable::attached {
786	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
787		879
…		…
802	";	894	";
803	die if $@;	895	die if $@;
804	}	896	}
805		897
806	our $override;	898	our $override;
807	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
808		900
809	sub override {	901	sub override {
810	$override = 1;	902	$override = 1;
811	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
812	}	904	}
813		905
814	sub do_invoke {	906	sub do_invoke {
815	my $event = shift;	907	my $event = shift;
816	my $callbacks = shift;	908	my $callbacks = shift;
817		909
818	@invoke_results = ();	910	@INVOKE_RESULTS = ();
819		911
820	local $override;	912	local $override;
821		913
822	for (@$callbacks) {	914	for (@$callbacks) {
823	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
840		932
841	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
842		934
843	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
844	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
845	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
846		938
847	=back	939	=back
848		940
849	=cut	941	=cut
850		942
851	#############################################################################	943	#############################################################################
852	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
853		956
854	sub reattach {	957	sub reattach {
855	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
856	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
857		962
858	my $registry = $obj->registry;	963	my $registry = $obj->registry;
859		964
860	@$registry = ();	965	@$registry = ();
861		966
…		…
908	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
909		1014
910	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
911	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
912	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
913	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
914	close $fh;	1019	close $fh;
915		1020
916	if (@$objs) {	1021	if (@$objs) {
917	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1022	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
918	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
919	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
920	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
921	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
922	close $fh;	1027	close $fh;
923	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
924	}	1029	}
925	} else {	1030	} else {
926	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
958	or return;	1063	or return;
959	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
960	}	1065	}
961		1066
962	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
963	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
964	return ($data, $av);	1069	return ($data, $av);
965	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
966		1077
967	#############################################################################	1078	#############################################################################
968	# command handling &c	1079	# command handling &c
969		1080
970	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
983	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
984	}	1095	}
985		1096
986	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
987		1098
988	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
989		1104
990	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
991	called.	1106	called.
992		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
993	=cut	1119	=cut
994		1120
995	sub register_extcmd {	1121	sub register_extcmd {
996	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
997		1123
998	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
999	}	1131	}
1000		1132
1001	cf::player->attach (	1133	cf::player->attach (
1002	on_command => sub {	1134	on_command => sub {
1003	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
1012	cf::override;	1144	cf::override;
1013	},	1145	},
1014	on_extcmd => sub {	1146	on_extcmd => sub {
1015	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
1016		1148
1017	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1018		1150
1019	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
1020	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
1021	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
1022	$pl->ext_reply ($msg->{msgid}, %reply);
1023	}
1024	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
1025	} else {	1166	} else {
1026	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1027	}	1168	}
1028		1169
1029	cf::override;	1170	cf::override;
1030	},	1171	},
1031	);	1172	);
1032		1173
1033	sub load_extension {
1034	my ($path) = @_;
1035
1036	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1037	my $base = $1;
1038	my $pkg = $1;
1039	$pkg =~ s/[^[:word:]]/_/g;
1040	$pkg = "ext::$pkg";
1041
1042	warn "... loading '$path' into '$pkg'\n";
1043
1044	open my $fh, "<:utf8", $path
1045	or die "$path: $!";
1046
1047	my $source =
1048	"package $pkg; use strict; use utf8;\n"
1049	. "#line 1 \"$path\"\n{\n"
1050	. (do { local $/; <$fh> })
1051	. "\n};\n1";
1052
1053	eval $source
1054	or die $@ ? "$path: $@\n"
1055	: "extension disabled.\n";
1056
1057	push @EXTS, $pkg;
1058	}
1059
1060	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
1061	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
1062	next unless -r $ext;	1179	next unless -r $path;
1063	eval {	1180
1064	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
1065	1	1238	}
1066	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
1067	}	1244	};
1068	}	1245	}
1069		1246
1070	#############################################################################	1247	#############################################################################
1071	# load/save/clean perl data associated with a map
1072		1248
1073	*cf::mapsupport::on_clean = sub {	1249	=back
1074	my ($map) = @_;
1075
1076	my $path = $map->tmpname;
1077	defined $path or return;
1078
1079	unlink "$path.pst";
1080	};
1081
1082	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1083
1084	#############################################################################
1085		1250
1086	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
1087		1252
1088	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
1089		1254
…		…
1102	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
1103		1268
1104	=cut	1269	=cut
1105		1270
1106	sub playerdir($) {	1271	sub playerdir($) {
1107	cf::localdir	1272	"$PLAYERDIR/"
1108	. "/"
1109	. cf::playerdir
1110	. "/"
1111	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1112	}	1274	}
1113		1275
1114	sub path($) {	1276	sub path($) {
1115	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1116		1278
1117	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
1118	}	1280	}
1119		1281
1120	sub find_active($) {	1282	sub find_active($) {
1121	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
1122	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
1125		1287
1126	sub exists($) {	1288	sub exists($) {
1127	my ($login) = @_;	1289	my ($login) = @_;
1128		1290
1129	$cf::PLAYER{$login}	1291	$cf::PLAYER{$login}
1130	or cf::sync_job { !aio_stat $login }	1292	or cf::sync_job { !aio_stat path $login }
1131	}	1293	}
1132		1294
1133	sub find($) {	1295	sub find($) {
1134	return $cf::PLAYER{$_[0]} || do {	1296	return $cf::PLAYER{$_[0]} || do {
1135	my $login = $_[0];	1297	my $login = $_[0];
1136		1298
1137	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
1138		1300
1139	$cf::PLAYER{$_[0]} || do {	1301	$cf::PLAYER{$_[0]} || do {
		1302	# rename old playerfiles to new ones
		1303	#TODO: remove when no longer required
		1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1307	aio_unlink +(playerdir $login) . "/$login.pl";
		1308
1140	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
1141	or return;	1310	or return;
1142	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
1143	}	1312	}
1144	}	1313	}
…		…
1156		1325
1157	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1158	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1159		1328
1160	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1161	Coro::cede;	1330	cf::cede_to_tick;
1162	}	1331	}
1163		1332
1164	sub new($) {	1333	sub new($) {
1165	my ($login) = @_;	1334	my ($login) = @_;
1166		1335
…		…
1172	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1173		1342
1174	$self	1343	$self
1175	}	1344	}
1176		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
		1354	}
		1355
1177	=item $pl->quit_character	1356	=item $pl->quit_character
1178		1357
1179	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
1180	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1181		1360
1182	=cut	1361	=cut
1183		1362
1184	sub quit_character {	1363	sub quit_character {
1185	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1186		1367
1187	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1188	$pl->password ("*"); # this should lock out the player until we nuked the dir	1369	$pl->password ("*"); # this should lock out the player until we nuked the dir
1189		1370
1190	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1195	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1196	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1197	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1198	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1199	$pl->destroy;	1380	$pl->destroy;
		1381
		1382	my $prefix = qr<^~\Q$name\E/>;
		1383
		1384	# nuke player maps
		1385	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1386
1200	IO::AIO::aio_rmtree $temp;	1387	IO::AIO::aio_rmtree $temp;
		1388	}
		1389
		1390	=item $pl->kick
		1391
		1392	Kicks a player out of the game. This destroys the connection.
		1393
		1394	=cut
		1395
		1396	sub kick {
		1397	my ($pl, $kicker) = @_;
		1398
		1399	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1400	$pl->killer ("kicked");
		1401	$pl->ns->destroy;
1201	}	1402	}
1202		1403
1203	=item cf::player::list_logins	1404	=item cf::player::list_logins
1204		1405
1205	Returns am arrayref of all valid playernames in the system, can take a	1406	Returns am arrayref of all valid playernames in the system, can take a
1206	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1207		1408
1208	=cut	1409	=cut
1209		1410
1210	sub list_logins {	1411	sub list_logins {
1211	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1212	or return [];	1413	or return [];
1213		1414
1214	my @logins;	1415	my @logins;
1215		1416
1216	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1225	\@logins	1426	\@logins
1226	}	1427	}
1227		1428
1228	=item $player->maps	1429	=item $player->maps
1229		1430
1230	Returns an arrayref of cf::path's of all maps that are private for this	1431	Returns an arrayref of map paths that are private for this
1231	player. May block.	1432	player. May block.
1232		1433
1233	=cut	1434	=cut
1234		1435
1235	sub maps($) {	1436	sub maps($) {
1236	my ($pl) = @_;	1437	my ($pl) = @_;
		1438
		1439	$pl = ref $pl ? $pl->ob->name : $pl;
1237		1440
1238	my $files = aio_readdir playerdir $pl	1441	my $files = aio_readdir playerdir $pl
1239	or return;	1442	or return;
1240		1443
1241	my @paths;	1444	my @paths;
…		…
1243	for (@$files) {	1446	for (@$files) {
1244	utf8::decode $_;	1447	utf8::decode $_;
1245	next if /\.(?:pl|pst)$/;	1448	next if /\.(?:pl|pst)$/;
1246	next unless /^$PATH_SEP/o;	1449	next unless /^$PATH_SEP/o;
1247		1450
1248	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1451	push @paths, cf::map::normalise "~$pl/$_";
1249	}	1452	}
1250		1453
1251	\@paths	1454	\@paths
1252	}	1455	}
1253		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGH])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	# replace G<male|female> tags
		1478	|| s{G<([^>|]*)\|([^>]*)>}{
		1479	$self->gender ? $2 : $1
		1480	}ge
		1481	# replace H<hint text>
		1482	|| s{H<([^\>]*)>}
		1483	{
		1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1486	"")
		1487	[$self->{hintmode}]
		1488	}ge;
		1489
		1490	# create single paragraphs (very hackish)
		1491	s/(?<=\S)\n(?=\w)/ /g;
		1492
		1493	# compress some whitespace
		1494	s/\s+\n/\n/g; # ws line-ends
		1495	s/\n\n+/\n/g; # double lines
		1496	s/^\n+//; # beginning lines
		1497	s/\n+$//; # ending lines
		1498
		1499	$_
		1500	}
		1501
		1502	sub hintmode {
		1503	$_[0]{hintmode} = $_[1] if @_ > 1;
		1504	$_[0]{hintmode}
		1505	}
		1506
1254	=item $player->ext_reply ($msgid, $msgtype, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1255		1508
1256	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1257		1510
1258	=cut	1511	=cut
1259		1512
1260	sub ext_reply($$$%) {	1513	sub ext_reply($$@) {
1261	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1262		1515
1263	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1264
1265	$self->send ("ext " . cf::to_json \%msg);
1266	}	1517	}
1267		1518
1268	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1269		1559
1270	=back	1560	=back
1271
1272		1561
1273	=head3 cf::map	1562	=head3 cf::map
1274		1563
1275	=over 4	1564	=over 4
1276		1565
…		…
1279	package cf::map;	1568	package cf::map;
1280		1569
1281	use Fcntl;	1570	use Fcntl;
1282	use Coro::AIO;	1571	use Coro::AIO;
1283		1572
		1573	use overload
		1574	'""' => \&as_string,
		1575	fallback => 1;
		1576
1284	our $MAX_RESET = 3600;	1577	our $MAX_RESET = 3600;
1285	our $DEFAULT_RESET = 3000;	1578	our $DEFAULT_RESET = 3000;
1286		1579
1287	sub generate_random_map {	1580	sub generate_random_map {
1288	my ($path, $rmp) = @_;	1581	my ($self, $rmp) = @_;
1289
1290	# mit "rum" bekleckern, nicht	1582	# mit "rum" bekleckern, nicht
1291	cf::map::_create_random_map (	1583	$self->_create_random_map (
1292	$path,
1293	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1294	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1295	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1296	$rmp->{exit_on_final_map},	1587	$rmp->{exit_on_final_map},
1297	$rmp->{xsize}, $rmp->{ysize},	1588	$rmp->{xsize}, $rmp->{ysize},
…		…
1302	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1303	(cf::region::find $rmp->{region}), $rmp->{custom}	1594	(cf::region::find $rmp->{region}), $rmp->{custom}
1304	)	1595	)
1305	}	1596	}
1306		1597
		1598	=item cf::map->register ($regex, $prio)
		1599
		1600	Register a handler for the map path matching the given regex at the
		1601	givne priority (higher is better, built-in handlers have priority 0, the
		1602	default).
		1603
		1604	=cut
		1605
		1606	sub register {
		1607	my (undef, $regex, $prio) = @_;
		1608	my $pkg = caller;
		1609
		1610	no strict;
		1611	push @{"$pkg\::ISA"}, __PACKAGE__;
		1612
		1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1614	}
		1615
		1616	# also paths starting with '/'
		1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1618
		1619	sub thawer_merge {
		1620	my ($self, $merge) = @_;
		1621
		1622	# we have to keep some variables in memory intact
		1623	local $self->{path};
		1624	local $self->{load_path};
		1625
		1626	$self->SUPER::thawer_merge ($merge);
		1627	}
		1628
		1629	sub normalise {
		1630	my ($path, $base) = @_;
		1631
		1632	$path = "$path"; # make sure its a string
		1633
		1634	$path =~ s/\.map$//;
		1635
		1636	# map plan:
		1637	#
		1638	# /! non-realised random map exit (special hack!)
		1639	# {... are special paths that are not being touched
		1640	# ?xxx/... are special absolute paths
		1641	# ?random/... random maps
		1642	# /... normal maps
		1643	# ~user/... per-player map of a specific user
		1644
		1645	$path =~ s/$PATH_SEP/\//go;
		1646
		1647	# treat it as relative path if it starts with
		1648	# something that looks reasonable
		1649	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1650	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1651
		1652	$base =~ s{[^/]+/?$}{};
		1653	$path = "$base/$path";
		1654	}
		1655
		1656	for ($path) {
		1657	redo if s{//}{/};
		1658	redo if s{/\.?/}{/};
		1659	redo if s{/[^/]+/\.\./}{/};
		1660	}
		1661
		1662	$path
		1663	}
		1664
		1665	sub new_from_path {
		1666	my (undef, $path, $base) = @_;
		1667
		1668	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1669
		1670	$path = normalise $path, $base;
		1671
		1672	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1673	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1674	my $self = bless cf::map::new, $pkg;
		1675	$self->{path} = $path; $self->path ($path);
		1676	$self->init; # pass $1 etc.
		1677	return $self;
		1678	}
		1679	}
		1680
		1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1682	()
		1683	}
		1684
		1685	sub init {
		1686	my ($self) = @_;
		1687
		1688	$self
		1689	}
		1690
		1691	sub as_string {
		1692	my ($self) = @_;
		1693
		1694	"$self->{path}"
		1695	}
		1696
		1697	# the displayed name, this is a one way mapping
		1698	sub visible_name {
		1699	&as_string
		1700	}
		1701
		1702	# the original (read-only) location
		1703	sub load_path {
		1704	my ($self) = @_;
		1705
		1706	"$MAPDIR/$self->{path}.map"
		1707	}
		1708
		1709	# the temporary/swap location
		1710	sub save_path {
		1711	my ($self) = @_;
		1712
		1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1714	"$TMPDIR/$path.map"
		1715	}
		1716
		1717	# the unique path, undef == no special unique path
		1718	sub uniq_path {
		1719	my ($self) = @_;
		1720
		1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1722	"$UNIQUEDIR/$path"
		1723	}
		1724
1307	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1308	# all maps in C++...	1726	# all maps in C++...
1309	sub change_all_map_light {	1727	sub change_all_map_light {
1310	my ($change) = @_;	1728	my ($change) = @_;
1311		1729
1312	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1313	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1314	}	1732	}
1315		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
		1742	sub unlink_save {
		1743	my ($self) = @_;
		1744
		1745	utf8::encode (my $save = $self->save_path);
		1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1748	}
		1749
1316	sub load_map_header($) {	1750	sub load_header_from($) {
1317	my ($path) = @_;	1751	my ($self, $path) = @_;
1318		1752
1319	utf8::encode $path;	1753	utf8::encode $path;
1320	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
		1755	# or return;
		1756
		1757	$self->_load_header ($path)
1321	or return;	1758	or return;
1322		1759
1323	my $map = cf::map::new	1760	$self->{load_path} = $path;
		1761
		1762	1
		1763	}
		1764
		1765	sub load_header_orig {
		1766	my ($self) = @_;
		1767
		1768	$self->load_header_from ($self->load_path)
		1769	}
		1770
		1771	sub load_header_temp {
		1772	my ($self) = @_;
		1773
		1774	$self->load_header_from ($self->save_path)
		1775	}
		1776
		1777	sub prepare_temp {
		1778	my ($self) = @_;
		1779
		1780	$self->last_access ((delete $self->{last_access})
		1781	|| $cf::RUNTIME); #d#
		1782	# safety
		1783	$self->{instantiate_time} = $cf::RUNTIME
		1784	if $self->{instantiate_time} > $cf::RUNTIME;
		1785	}
		1786
		1787	sub prepare_orig {
		1788	my ($self) = @_;
		1789
		1790	$self->{load_original} = 1;
		1791	$self->{instantiate_time} = $cf::RUNTIME;
		1792	$self->last_access ($cf::RUNTIME);
		1793	$self->instantiate;
		1794	}
		1795
		1796	sub load_header {
		1797	my ($self) = @_;
		1798
		1799	if ($self->load_header_temp) {
		1800	$self->prepare_temp;
		1801	} else {
		1802	$self->load_header_orig
1324	or return;	1803	or return;
		1804	$self->prepare_orig;
		1805	}
1325		1806
1326	# for better error messages only, will be overwritten later	1807	$self->{deny_reset} = 1
1327	$map->path ($path);	1808	if $self->no_reset;
1328		1809
1329	$map->load_header ($path)	1810	$self->default_region (cf::region::find_by_path $self->{path})
1330	or return;	1811	unless $self->default_region;
1331		1812
1332	$map->{load_path} = $path;	1813	1
1333
1334	$map
1335	}	1814	}
1336		1815
1337	sub find;	1816	sub find;
1338	sub find {	1817	sub find {
1339	my ($path, $origin) = @_;	1818	my ($path, $origin) = @_;
1340		1819
1341	#warn "find<$path,$origin>\n";#d#
1342
1343	$path = new cf::path $path, $origin && $origin->path;	1820	$path = normalise $path, $origin && $origin->path;
1344	my $key = $path->as_string;
1345		1821
1346	cf::lock_wait "map_find:$key";	1822	cf::lock_wait "map_find:$path";
1347		1823
1348	$cf::MAP{$key} || do {	1824	$cf::MAP{$path} || do {
1349	my $guard = cf::lock_acquire "map_find:$key";	1825	my $guard = cf::lock_acquire "map_find:$path";
1350		1826	my $map = new_from_path cf::map $path
1351	# do it the slow way
1352	my $map = $path->load_temp;
1353
1354	Coro::cede;
1355
1356	if ($map) {
1357	$map->last_access ((delete $map->{last_access})
1358	|| $cf::RUNTIME); #d#
1359	# safety
1360	$map->{instantiate_time} = $cf::RUNTIME
1361	if $map->{instantiate_time} > $cf::RUNTIME;
1362	} else {
1363	$map = $path->load_orig
1364	or return;	1827	or return;
1365		1828
1366	$map->{load_original} = 1;
1367	$map->{instantiate_time} = $cf::RUNTIME;
1368	$map->last_access ($cf::RUNTIME);
1369	$map->instantiate;
1370
1371	# per-player maps become, after loading, normal maps
1372	$map->per_player (0) if $path->{user_rel};
1373	}
1374
1375	$map->path ($key);
1376	$map->{path} = $path;
1377	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1378		1830
1379	Coro::cede;	1831	$map->load_header
		1832	or return;
1380		1833
1381	if ($map->should_reset) {	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1835	# doing this can freeze the server in a sync job, obviously
		1836	#$cf::WAIT_FOR_TICK->wait;
1382	$map->reset;	1837	$map->reset;
1383	undef $guard;	1838	undef $guard;
1384	$map = find $path	1839	return find $path;
1385	or return;
1386	}	1840	}
1387		1841
1388	$cf::MAP{$key} = $map	1842	$cf::MAP{$path} = $map
1389	}	1843	}
1390	}	1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
1391		1848
1392	sub load {	1849	sub load {
1393	my ($self) = @_;	1850	my ($self) = @_;
1394		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
1395	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1396	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1397		1859
1398	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1399		1861
1400	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1401		1863
1402	$self->alloc;	1864	$self->alloc;
		1865
		1866	$self->pre_load;
		1867	cf::cede_to_tick;
		1868
1403	$self->load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1404	or return;	1870	or return;
1405		1871
1406	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1407	if delete $self->{load_original};	1873	if delete $self->{load_original};
1408		1874
1409	if (my $uniq = $path->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1410	utf8::encode $uniq;	1876	utf8::encode $uniq;
1411	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1412	$self->clear_unique_items;	1878	$self->clear_unique_items;
1413	$self->load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1414	}	1880	}
1415	}	1881	}
1416		1882
1417	Coro::cede;	1883	cf::cede_to_tick;
1418
1419	# now do the right thing for maps	1884	# now do the right thing for maps
1420	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1421
1422	if ($self->{path}->is_style_map) {
1423	$self->{deny_save} = 1;
1424	$self->{deny_reset} = 1;
1425	} else {
1426	$self->decay_objects;
1427	$self->fix_auto_apply;
1428	$self->update_buttons;
1429	$self->set_darkness_map;
1430	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1431	unless $self->difficulty;	1887	unless $self->difficulty;
		1888	cf::cede_to_tick;
		1889
		1890	unless ($self->{deny_activate}) {
		1891	$self->decay_objects;
		1892	$self->fix_auto_apply;
		1893	$self->update_buttons;
		1894	cf::cede_to_tick;
		1895	$self->set_darkness_map;
		1896	cf::cede_to_tick;
1432	$self->activate;	1897	$self->activate;
1433	}	1898	}
1434		1899
1435	Coro::cede;	1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
1436		1902
1437	$self->in_memory (cf::MAP_IN_MEMORY);	1903	$self->in_memory (cf::MAP_IN_MEMORY);
		1904	}
		1905
		1906	$self->post_load;
		1907	}
		1908
		1909	sub customise_for {
		1910	my ($self, $ob) = @_;
		1911
		1912	return find "~" . $ob->name . "/" . $self->{path}
		1913	if $self->per_player;
		1914
		1915	# return find "?party/" . $ob->name . "/" . $self->{path}
		1916	# if $self->per_party;
		1917
		1918	$self
1438	}	1919	}
1439		1920
1440	# find and load all maps in the 3x3 area around a map	1921	# find and load all maps in the 3x3 area around a map
1441	sub load_diag {	1922	sub load_neighbours {
1442	my ($map) = @_;	1923	my ($map) = @_;
1443		1924
1444	my @diag; # diagonal neighbours	1925	my @neigh; # diagonal neighbours
1445		1926
1446	for (0 .. 3) {	1927	for (0 .. 3) {
1447	my $neigh = $map->tile_path ($_)	1928	my $neigh = $map->tile_path ($_)
1448	or next;	1929	or next;
1449	$neigh = find $neigh, $map	1930	$neigh = find $neigh, $map
1450	or next;	1931	or next;
1451	$neigh->load;	1932	$neigh->load;
1452		1933
		1934	push @neigh,
1453	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1454	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1455	}	1937	}
1456		1938
1457	for (@diag) {	1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
1458	my $neigh = find @$_	1941	my $neigh = find $path, $origin
1459	or next;	1942	or next;
1460	$neigh->load;	1943	$neigh->load;
1461	}	1944	}
1462	}	1945	}
1463		1946
…		…
1468	}	1951	}
1469		1952
1470	sub do_load_sync {	1953	sub do_load_sync {
1471	my ($map) = @_;	1954	my ($map) = @_;
1472		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1473	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
1474	}	1960	}
1475		1961
1476	our %MAP_PREFETCH;	1962	our %MAP_PREFETCH;
		1963	our $MAP_PREFETCHER = undef;
		1964
		1965	sub find_async {
		1966	my ($path, $origin, $load) = @_;
		1967
		1968	$path = normalise $path, $origin && $origin->{path};
		1969
		1970	if (my $map = $cf::MAP{$path}) {
		1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1972	}
		1973
		1974	$MAP_PREFETCH{$path} |= $load;
		1975
1477	our $MAP_PREFETCHER = Coro::async {	1976	$MAP_PREFETCHER ||= cf::async {
1478	while () {
1479	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1480	my $key = each %MAP_PREFETCH	1978	while (my ($k, $v) = each %MAP_PREFETCH) {
1481	or next;	1979	if (my $map = find $k) {
		1980	$map->load if $v;
		1981	}
		1982
1482	my $path = delete $MAP_PREFETCH{$key};	1983	delete $MAP_PREFETCH{$k};
1483
1484	my $map = find $path
1485	or next;
1486	$map->load;
1487	}	1984	}
1488	Coro::schedule;	1985	}
		1986	undef $MAP_PREFETCHER;
1489	}	1987	};
1490	};
1491
1492	sub find_async {
1493	my ($path, $origin) = @_;
1494
1495	$path = new cf::path $path, $origin && $origin->path;
1496	my $key = $path->as_string;
1497
1498	if (my $map = $cf::MAP{$key}) {
1499	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1500	}
1501
1502	$MAP_PREFETCH{$key} = $path;
1503	$MAP_PREFETCHER->ready;	1988	$MAP_PREFETCHER->prio (6);
1504		1989
1505	()	1990	()
1506	}	1991	}
1507		1992
1508	sub save {	1993	sub save {
1509	my ($self) = @_;	1994	my ($self) = @_;
1510		1995
1511	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1512		1997
1513	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1514		1999
1515	return unless $self->dirty;	2000	return unless $self->dirty;
1516		2001
1517	my $save = $self->{path}->save_path; utf8::encode $save;	2002	my $save = $self->save_path; utf8::encode $save;
1518	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
1519		2004
1520	$self->{load_path} = $save;	2005	$self->{load_path} = $save;
1521		2006
1522	return if $self->{deny_save};	2007	return if $self->{deny_save};
1523		2008
…		…
1526	cf::async {	2011	cf::async {
1527	$_->contr->save for $self->players;	2012	$_->contr->save for $self->players;
1528	};	2013	};
1529		2014
1530	if ($uniq) {	2015	if ($uniq) {
1531	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1532	$self->save_objects ($uniq, cf::IO_UNIQUES);	2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1533	} else {	2018	} else {
1534	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2019	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1535	}	2020	}
1536	}	2021	}
1537		2022
1538	sub swap_out {	2023	sub swap_out {
1539	my ($self) = @_;	2024	my ($self) = @_;
1540		2025
1541	# save first because save cedes	2026	# save first because save cedes
1542	$self->save;	2027	$self->save;
1543		2028
1544	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1545		2030
1546	return if $self->players;	2031	return if $self->players;
1547	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1548	return if $self->{deny_save};	2033	return if $self->{deny_save};
1549		2034
…		…
1553		2038
1554	sub reset_at {	2039	sub reset_at {
1555	my ($self) = @_;	2040	my ($self) = @_;
1556		2041
1557	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1558	return 1e99 if $self->{path}{user_rel};
1559	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1560		2044
1561	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1562	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1563		2047
…		…
1568	my ($self) = @_;	2052	my ($self) = @_;
1569		2053
1570	$self->reset_at <= $cf::RUNTIME	2054	$self->reset_at <= $cf::RUNTIME
1571	}	2055	}
1572		2056
1573	sub rename {
1574	my ($self, $new_path) = @_;
1575
1576	$self->{path}->unlink_save;
1577
1578	delete $cf::MAP{$self->path};
1579	$self->{path} = new cf::path $new_path;
1580	$self->path ($self->{path}->as_string);
1581	$cf::MAP{$self->path} = $self;
1582
1583	$self->save;
1584	}
1585
1586	sub reset {	2057	sub reset {
1587	my ($self) = @_;	2058	my ($self) = @_;
1588		2059
1589	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1590		2061
1591	return if $self->players;	2062	return if $self->players;
1592	return if $self->{path}{user_rel};#d#
1593		2063
1594	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
		2065
		2066	$self->in_memory (cf::MAP_SWAPPED);
		2067
		2068	# need to save uniques path
		2069	unless ($self->{deny_save}) {
		2070	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2071
		2072	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2073	if $uniq;
		2074	}
1595		2075
1596	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
1597		2077
		2078	$self->clear;
		2079
1598	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1599		2081
1600	$self->{path}->unlink_save;	2082	$self->unlink_save;
1601	$self->destroy;	2083	$self->destroy;
1602	}	2084	}
1603		2085
1604	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1605		2087
1606	sub nuke {	2088	sub nuke {
1607	my ($self) = @_;	2089	my ($self) = @_;
1608		2090
		2091	delete $cf::MAP{$self->path};
		2092
		2093	$self->unlink_save;
		2094
		2095	bless $self, "cf::map";
		2096	delete $self->{deny_reset};
1609	$self->{deny_save} = 1;	2097	$self->{deny_save} = 1;
1610	$self->reset_timeout (1);	2098	$self->reset_timeout (1);
1611	$self->rename ("{nuke}/" . ($nuke_counter++));	2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2100
		2101	$cf::MAP{$self->path} = $self;
		2102
1612	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
1613	}	2104	}
1614		2105
		2106	=item $maps = cf::map::tmp_maps
		2107
		2108	Returns an arrayref with all map paths of currently instantiated and saved
		2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
		2114	[
		2115	map {
		2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
		2122	}
		2123
		2124	=item $maps = cf::map::random_maps
		2125
		2126	Returns an arrayref with all map paths of currently instantiated and saved
		2127	random maps. May block.
		2128
		2129	=cut
		2130
		2131	sub random_maps() {
		2132	[
		2133	map {
		2134	utf8::decode $_;
		2135	/\.map$/
		2136	? normalise "?random/$_"
		2137	: ()
		2138	} @{ aio_readdir $RANDOMDIR or [] }
		2139	]
		2140	}
		2141
1615	=item cf::map::unique_maps	2142	=item cf::map::unique_maps
1616		2143
1617	Returns an arrayref of cf::path's of all shared maps that have	2144	Returns an arrayref of paths of all shared maps that have
1618	instantiated unique items. May block.	2145	instantiated unique items. May block.
1619		2146
1620	=cut	2147	=cut
1621		2148
1622	sub unique_maps() {	2149	sub unique_maps() {
1623	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2150	[
1624	or return;	2151	map {
1625
1626	my @paths;
1627
1628	for (@$files) {
1629	utf8::decode $_;	2152	utf8::decode $_;
1630	next if /\.pst$/;	2153	/\.map$/
1631	next unless /^$PATH_SEP/o;	2154	? normalise $_
1632		2155	: ()
1633	push @paths, new cf::path $_;	2156	} @{ aio_readdir $UNIQUEDIR or [] }
1634	}	2157	]
1635
1636	\@paths
1637	}	2158	}
1638		2159
1639	package cf;	2160	package cf;
1640		2161
1641	=back	2162	=back
…		…
1687		2208
1688	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1689		2210
1690	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1691	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1692	} else {	2214	} else {
		2215	my $pl = $self->contr;
		2216
		2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2218	my $dialog = $pl->{npc_dialog};
		2219	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2220
		2221	} else {
1693	$msg = $npc->name . " says: $msg" if $npc;	2222	$msg = $npc->name . " says: $msg" if $npc;
1694	$self->message ($msg, $flags);	2223	$self->message ($msg, $flags);
		2224	}
1695	}	2225	}
		2226	}
		2227
		2228	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2229
		2230	=cut
		2231
		2232	sub cf::object::send_msg {
		2233	my $pl = shift->contr
		2234	or return;
		2235	$pl->send_msg (@_);
1696	}	2236	}
1697		2237
1698	=item $player_object->may ("access")	2238	=item $player_object->may ("access")
1699		2239
1700	Returns wether the given player is authorized to access resource "access"	2240	Returns wether the given player is authorized to access resource "access"
…		…
1713		2253
1714	=item $player_object->enter_link	2254	=item $player_object->enter_link
1715		2255
1716	Freezes the player and moves him/her to a special map (C<{link}>).	2256	Freezes the player and moves him/her to a special map (C<{link}>).
1717		2257
1718	The player should be reaosnably safe there for short amounts of time. You	2258	The player should be reasonably safe there for short amounts of time. You
1719	I<MUST> call C<leave_link> as soon as possible, though.	2259	I<MUST> call C<leave_link> as soon as possible, though.
1720		2260
		2261	Will never block.
		2262
1721	=item $player_object->leave_link ($map, $x, $y)	2263	=item $player_object->leave_link ($map, $x, $y)
1722		2264
1723	Moves the player out of the specila link map onto the given map. If the	2265	Moves the player out of the special C<{link}> map onto the specified
1724	map is not valid (or omitted), the player will be moved back to the	2266	map. If the map is not valid (or omitted), the player will be moved back
1725	location he/she was before the call to C<enter_link>, or, if that fails,	2267	to the location he/she was before the call to C<enter_link>, or, if that
1726	to the emergency map position.	2268	fails, to the emergency map position.
1727		2269
1728	Might block.	2270	Might block.
1729		2271
1730	=cut	2272	=cut
		2273
		2274	sub link_map {
		2275	unless ($LINK_MAP) {
		2276	$LINK_MAP = cf::map::find "{link}"
		2277	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2278	$LINK_MAP->load;
		2279	}
		2280
		2281	$LINK_MAP
		2282	}
1731		2283
1732	sub cf::object::player::enter_link {	2284	sub cf::object::player::enter_link {
1733	my ($self) = @_;	2285	my ($self) = @_;
1734		2286
1735	$self->deactivate_recursive;	2287	$self->deactivate_recursive;
1736		2288
1737	return if $self->map == $LINK_MAP;	2289	return if UNIVERSAL::isa $self->map, "ext::map_link";
1738		2290
1739	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2291	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1740	if $self->map;	2292	if $self->map && $self->map->{path} ne "{link}";
1741		2293
1742	$self->enter_map ($LINK_MAP, 20, 20);	2294	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1743	}	2295	}
1744		2296
1745	sub cf::object::player::leave_link {	2297	sub cf::object::player::leave_link {
1746	my ($self, $map, $x, $y) = @_;	2298	my ($self, $map, $x, $y) = @_;
		2299
		2300	return unless $self->contr->active;
1747		2301
1748	my $link_pos = delete $self->{_link_pos};	2302	my $link_pos = delete $self->{_link_pos};
1749		2303
1750	unless ($map) {	2304	unless ($map) {
1751	# restore original map position	2305	# restore original map position
…		…
1765	# use -1 or undef as default coordinates, not 0, 0	2319	# use -1 or undef as default coordinates, not 0, 0
1766	($x, $y) = ($map->enter_x, $map->enter_y)	2320	($x, $y) = ($map->enter_x, $map->enter_y)
1767	if $x <=0 && $y <= 0;	2321	if $x <=0 && $y <= 0;
1768		2322
1769	$map->load;	2323	$map->load;
1770	$map->load_diag;	2324	$map->load_neighbours;
1771		2325
1772	return unless $self->contr->active;	2326	return unless $self->contr->active;
1773	$self->activate_recursive;	2327	$self->activate_recursive;
		2328
		2329	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1774	$self->enter_map ($map, $x, $y);	2330	$self->enter_map ($map, $x, $y);
1775	}	2331	}
1776		2332
1777	cf::player->attach (	2333	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1778	on_logout => sub {
1779	my ($pl) = @_;
1780		2334
1781	# abort map switching before logout	2335	Moves the player to the given map-path and coordinates by first freezing
1782	if ($pl->ob->{_link_pos}) {	2336	her, loading and preparing them map, calling the provided $check callback
1783	cf::sync_job {	2337	that has to return the map if sucecssful, and then unfreezes the player on
1784	$pl->ob->leave_link	2338	the new (success) or old (failed) map position. In either case, $done will
1785	};	2339	be called at the end of this process.
1786	}
1787	},
1788	on_login => sub {
1789	my ($pl) = @_;
1790		2340
1791	# try to abort aborted map switching on player login :)
1792	# should happen only on crashes
1793	if ($pl->ob->{_link_pos}) {
1794	$pl->ob->enter_link;
1795	(async {
1796	# we need this sleep as the login has a concurrent enter_exit running
1797	# and this sleep increases chances of the player not ending up in scorn
1798	$pl->ob->reply (undef,
1799	"There was an internal problem at your last logout, "
1800	. "the server will try to bring you to your intended destination in a second.",
1801	cf::NDI_RED);
1802	Coro::Timer::sleep 1;
1803	$pl->ob->leave_link;
1804	})->prio (2);
1805	}
1806	},
1807	);
1808
1809	=item $player_object->goto ($path, $x, $y)
1810
1811	=cut	2341	=cut
		2342
		2343	our $GOTOGEN;
1812		2344
1813	sub cf::object::player::goto {	2345	sub cf::object::player::goto {
1814	my ($self, $path, $x, $y) = @_;	2346	my ($self, $path, $x, $y, $check, $done) = @_;
1815		2347
1816	$path = new cf::path $path;	2348	# do generation counting so two concurrent goto's will be executed in-order
		2349	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1817		2350
1818	$self->enter_link;	2351	$self->enter_link;
1819		2352
1820	(async {	2353	(async {
		2354	my $map = eval {
1821	my $map = cf::map::find $path->as_string;	2355	my $map = cf::map::find $path;
1822	$map = $map->{path}->customise_for ($map, $self) if $map;
1823		2356
1824	# warn "entering ", $map->path, " at ($x, $y)\n"
1825	# if $map;	2357	if ($map) {
1826		2358	$map = $map->customise_for ($self);
		2359	$map = $check->($map) if $check && $map;
		2360	} else {
1827	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2361	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2362	}
1828		2363
		2364	$map
		2365	};
		2366
		2367	if ($@) {
		2368	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2369	LOG llevError | logBacktrace, Carp::longmess $@;
		2370	}
		2371
		2372	if ($gen == $self->{_goto_generation}) {
		2373	delete $self->{_goto_generation};
1829	$self->leave_link ($map, $x, $y);	2374	$self->leave_link ($map, $x, $y);
		2375	}
		2376
		2377	$done->() if $done;
1830	})->prio (1);	2378	})->prio (1);
1831	}	2379	}
1832		2380
1833	=item $player_object->enter_exit ($exit_object)	2381	=item $player_object->enter_exit ($exit_object)
1834		2382
…		…
1836		2384
1837	sub parse_random_map_params {	2385	sub parse_random_map_params {
1838	my ($spec) = @_;	2386	my ($spec) = @_;
1839		2387
1840	my $rmp = { # defaults	2388	my $rmp = { # defaults
1841	xsize => 10,	2389	xsize => (cf::rndm 15, 40),
1842	ysize => 10,	2390	ysize => (cf::rndm 15, 40),
		2391	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2392	#layout => string,
1843	};	2393	};
1844		2394
1845	for (split /\n/, $spec) {	2395	for (split /\n/, $spec) {
1846	my ($k, $v) = split /\s+/, $_, 2;	2396	my ($k, $v) = split /\s+/, $_, 2;
1847		2397
…		…
1851	$rmp	2401	$rmp
1852	}	2402	}
1853		2403
1854	sub prepare_random_map {	2404	sub prepare_random_map {
1855	my ($exit) = @_;	2405	my ($exit) = @_;
		2406
		2407	my $guard = cf::lock_acquire "exit_prepare:$exit";
1856		2408
1857	# all this does is basically replace the /! path by	2409	# all this does is basically replace the /! path by
1858	# a new random map path (?random/...) with a seed	2410	# a new random map path (?random/...) with a seed
1859	# that depends on the exit object	2411	# that depends on the exit object
1860		2412
1861	my $rmp = parse_random_map_params $exit->msg;	2413	my $rmp = parse_random_map_params $exit->msg;
1862		2414
1863	if ($exit->map) {	2415	if ($exit->map) {
1864	$rmp->{region} = $exit->map->region_name;	2416	$rmp->{region} = $exit->region->name;
1865	$rmp->{origin_map} = $exit->map->path;	2417	$rmp->{origin_map} = $exit->map->path;
1866	$rmp->{origin_x} = $exit->x;	2418	$rmp->{origin_x} = $exit->x;
1867	$rmp->{origin_y} = $exit->y;	2419	$rmp->{origin_y} = $exit->y;
1868	}	2420	}
1869		2421
1870	$rmp->{random_seed} ||= $exit->random_seed;	2422	$rmp->{random_seed} ||= $exit->random_seed;
1871		2423
1872	my $data = cf::to_json $rmp;	2424	my $data = cf::to_json $rmp;
1873	my $md5 = Digest::MD5::md5_hex $data;	2425	my $md5 = Digest::MD5::md5_hex $data;
		2426	my $meta = "$RANDOMDIR/$md5.meta";
1874		2427
1875	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2428	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1876	aio_write $fh, 0, (length $data), $data, 0;	2429	aio_write $fh, 0, (length $data), $data, 0;
		2430	undef $fh;
		2431	aio_rename "$meta~", $meta;
1877		2432
1878	$exit->slaying ("?random/$md5");	2433	$exit->slaying ("?random/$md5");
1879	$exit->msg (undef);	2434	$exit->msg (undef);
1880	}	2435	}
1881	}	2436	}
…		…
1883	sub cf::object::player::enter_exit {	2438	sub cf::object::player::enter_exit {
1884	my ($self, $exit) = @_;	2439	my ($self, $exit) = @_;
1885		2440
1886	return unless $self->type == cf::PLAYER;	2441	return unless $self->type == cf::PLAYER;
1887		2442
		2443	if ($exit->slaying eq "/!") {
		2444	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2445	# the problem is that $exit might not survive long enough
		2446	# so it needs to be done right now, right here
		2447	cf::sync_job { prepare_random_map $exit };
		2448	}
		2449
		2450	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2451	my $hp = $exit->stats->hp;
		2452	my $sp = $exit->stats->sp;
		2453
1888	$self->enter_link;	2454	$self->enter_link;
		2455
		2456	# if exit is damned, update players death & WoR home-position
		2457	$self->contr->savebed ($slaying, $hp, $sp)
		2458	if $exit->flag (FLAG_DAMNED);
1889		2459
1890	(async {	2460	(async {
1891	$self->deactivate_recursive; # just to be sure	2461	$self->deactivate_recursive; # just to be sure
1892	unless (eval {	2462	unless (eval {
1893	prepare_random_map $exit	2463	$self->goto ($slaying, $hp, $sp);
1894	if $exit->slaying eq "/!";
1895
1896	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1897	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1898		2464
1899	1;	2465	1;
1900	}) {	2466	}) {
1901	$self->message ("Something went wrong deep within the crossfire server. "	2467	$self->message ("Something went wrong deep within the crossfire server. "
1902	. "I'll try to bring you back to the map you were before. "	2468	. "I'll try to bring you back to the map you were before. "
1903	. "Please report this to the dungeon master!",	2469	. "Please report this to the dungeon master!",
1904	cf::NDI_UNIQUE | cf::NDI_RED);	2470	cf::NDI_UNIQUE | cf::NDI_RED);
1905		2471
1906	warn "ERROR in enter_exit: $@";	2472	warn "ERROR in enter_exit: $@";
1907	$self->leave_link;	2473	$self->leave_link;
1908	}	2474	}
1909	})->prio (1);	2475	})->prio (1);
…		…
1922		2488
1923	sub cf::client::send_drawinfo {	2489	sub cf::client::send_drawinfo {
1924	my ($self, $text, $flags) = @_;	2490	my ($self, $text, $flags) = @_;
1925		2491
1926	utf8::encode $text;	2492	utf8::encode $text;
1927	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2493	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1928	}	2494	}
1929		2495
		2496	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2497
		2498	Send a drawinfo or msg packet to the client, formatting the msg for the
		2499	client if neccessary. C<$type> should be a string identifying the type of
		2500	the message, with C<log> being the default. If C<$color> is negative, suppress
		2501	the message unless the client supports the msg packet.
		2502
		2503	=cut
		2504
		2505	sub cf::client::send_msg {
		2506	my ($self, $channel, $msg, $color, @extra) = @_;
		2507
		2508	$msg = $self->pl->expand_cfpod ($msg);
		2509
		2510	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2511
		2512	if (ref $channel) {
		2513	# send meta info to client, if not yet sent
		2514	unless (exists $self->{channel}{$channel->{id}}) {
		2515	$self->{channel}{$channel->{id}} = $channel;
		2516	$self->ext_msg (channel_info => $channel);
		2517	}
		2518
		2519	$channel = $channel->{id};
		2520	}
		2521
		2522	return unless @extra || length $msg;
		2523
		2524	if ($self->can_msg) {
		2525	# default colour, mask it out
		2526	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2527	if $color & cf::NDI_DEF;
		2528
		2529	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2530	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2531	} else {
		2532	if ($color >= 0) {
		2533	# replace some tags by gcfclient-compatible ones
		2534	for ($msg) {
		2535	1 while
		2536	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2537	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2538	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2539	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2540	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2541	}
		2542
		2543	$color &= cf::NDI_COLOR_MASK;
		2544
		2545	utf8::encode $msg;
		2546
		2547	if (0 && $msg =~ /\[/) {
		2548	# COMMAND/INFO
		2549	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2550	} else {
		2551	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2552	$self->send_packet ("drawinfo $color $msg")
		2553	}
		2554	}
		2555	}
		2556	}
		2557
		2558	=item $client->ext_msg ($type, @msg)
		2559
		2560	Sends an ext event to the client.
		2561
		2562	=cut
		2563
		2564	sub cf::client::ext_msg($$@) {
		2565	my ($self, $type, @msg) = @_;
		2566
		2567	if ($self->extcmd == 2) {
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2569	} elsif ($self->extcmd == 1) { # TODO: remove
		2570	push @msg, msgtype => "event_$type";
		2571	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2572	}
		2573	}
		2574
		2575	=item $client->ext_reply ($msgid, @msg)
		2576
		2577	Sends an ext reply to the client.
		2578
		2579	=cut
		2580
		2581	sub cf::client::ext_reply($$@) {
		2582	my ($self, $id, @msg) = @_;
		2583
		2584	if ($self->extcmd == 2) {
		2585	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2586	} elsif ($self->extcmd == 1) {
		2587	#TODO: version 1, remove
		2588	unshift @msg, msgtype => "reply", msgid => $id;
		2589	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2590	}
		2591	}
1930		2592
1931	=item $success = $client->query ($flags, "text", \&cb)	2593	=item $success = $client->query ($flags, "text", \&cb)
1932		2594
1933	Queues a query to the client, calling the given callback with	2595	Queues a query to the client, calling the given callback with
1934	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2596	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1935	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2597	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1936		2598
1937	Queries can fail, so check the return code. Or don't, as queries will become	2599	Queries can fail, so check the return code. Or don't, as queries will
1938	reliable at some point in the future.	2600	become reliable at some point in the future.
1939		2601
1940	=cut	2602	=cut
1941		2603
1942	sub cf::client::query {	2604	sub cf::client::query {
1943	my ($self, $flags, $text, $cb) = @_;	2605	my ($self, $flags, $text, $cb) = @_;
…		…
1951	utf8::encode $text;	2613	utf8::encode $text;
1952	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2614	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1953		2615
1954	$self->send_packet ($self->{query_queue}[0][0])	2616	$self->send_packet ($self->{query_queue}[0][0])
1955	if @{ $self->{query_queue} } == 1;	2617	if @{ $self->{query_queue} } == 1;
		2618
		2619	1
1956	}	2620	}
1957		2621
1958	cf::client->attach (	2622	cf::client->attach (
		2623	on_connect => sub {
		2624	my ($ns) = @_;
		2625
		2626	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2627	},
1959	on_reply => sub {	2628	on_reply => sub {
1960	my ($ns, $msg) = @_;	2629	my ($ns, $msg) = @_;
1961		2630
1962	# this weird shuffling is so that direct followup queries	2631	# this weird shuffling is so that direct followup queries
1963	# get handled first	2632	# get handled first
1964	my $queue = delete $ns->{query_queue}	2633	my $queue = delete $ns->{query_queue}
1965	or return; # be conservative, not sure how that can happen, but we saw a crash here	2634	or return; # be conservative, not sure how that can happen, but we saw a crash here
1966		2635
1967	(shift @$queue)->[1]->($msg);	2636	(shift @$queue)->[1]->($msg);
		2637	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1968		2638
1969	push @{ $ns->{query_queue} }, @$queue;	2639	push @{ $ns->{query_queue} }, @$queue;
1970		2640
1971	if (@{ $ns->{query_queue} } == @$queue) {	2641	if (@{ $ns->{query_queue} } == @$queue) {
1972	if (@$queue) {	2642	if (@$queue) {
…		…
1974	} else {	2644	} else {
1975	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2645	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1976	}	2646	}
1977	}	2647	}
1978	},	2648	},
		2649	on_exticmd => sub {
		2650	my ($ns, $buf) = @_;
		2651
		2652	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2653
		2654	if (ref $msg) {
		2655	my ($type, $reply, @payload) =
		2656	"ARRAY" eq ref $msg
		2657	? @$msg
		2658	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2659
		2660	my @reply;
		2661
		2662	if (my $cb = $EXTICMD{$type}) {
		2663	@reply = $cb->($ns, @payload);
		2664	}
		2665
		2666	$ns->ext_reply ($reply, @reply)
		2667	if $reply;
		2668
		2669	} else {
		2670	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2671	}
		2672
		2673	cf::override;
		2674	},
1979	);	2675	);
1980		2676
1981	=item $client->async (\&cb)	2677	=item $client->async (\&cb)
1982		2678
1983	Create a new coroutine, running the specified callback. The coroutine will	2679	Create a new coroutine, running the specified callback. The coroutine will
…		…
2024	our $safe = new Safe "safe";	2720	our $safe = new Safe "safe";
2025	our $safe_hole = new Safe::Hole;	2721	our $safe_hole = new Safe::Hole;
2026		2722
2027	$SIG{FPE} = 'IGNORE';	2723	$SIG{FPE} = 'IGNORE';
2028		2724
2029	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2725	$safe->permit_only (Opcode::opset qw(
		2726	:base_core :base_mem :base_orig :base_math
		2727	grepstart grepwhile mapstart mapwhile
		2728	sort time
		2729	));
2030		2730
2031	# here we export the classes and methods available to script code	2731	# here we export the classes and methods available to script code
2032		2732
2033	=pod	2733	=pod
2034		2734
2035	The following fucntions and emthods are available within a safe environment:	2735	The following functions and methods are available within a safe environment:
2036		2736
2037	cf::object contr pay_amount pay_player map	2737	cf::object
		2738	contr pay_amount pay_player map x y force_find force_add
		2739	insert remove name archname title slaying race decrease_ob_nr
		2740
2038	cf::object::player player	2741	cf::object::player
2039	cf::player peaceful	2742	player
2040	cf::map trigger	2743
		2744	cf::player
		2745	peaceful
		2746
		2747	cf::map
		2748	trigger
2041		2749
2042	=cut	2750	=cut
2043		2751
2044	for (	2752	for (
2045	["cf::object" => qw(contr pay_amount pay_player map)],	2753	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2754	insert remove inv name archname title slaying race
		2755	decrease_ob_nr)],
2046	["cf::object::player" => qw(player)],	2756	["cf::object::player" => qw(player)],
2047	["cf::player" => qw(peaceful)],	2757	["cf::player" => qw(peaceful)],
2048	["cf::map" => qw(trigger)],	2758	["cf::map" => qw(trigger)],
2049	) {	2759	) {
2050	no strict 'refs';	2760	no strict 'refs';
…		…
2121	=back	2831	=back
2122		2832
2123	=cut	2833	=cut
2124		2834
2125	#############################################################################	2835	#############################################################################
		2836	# the server's init and main functions
2126		2837
2127	=head2 EXTENSION DATABASE SUPPORT	2838	sub load_facedata($) {
		2839	my ($path) = @_;
2128		2840
2129	Crossfire maintains a very simple database for extension use. It can	2841	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2130	currently store anything that can be serialised using Storable, which
2131	excludes objects.
2132		2842
2133	The parameter C<$family> should best start with the name of the extension	2843	warn "loading facedata from $path\n";
2134	using it, it should be unique.
2135		2844
2136	=over 4	2845	my $facedata;
		2846	0 < aio_load $path, $facedata
		2847	or die "$path: $!";
2137		2848
2138	=item $hashref = cf::db_get $family	2849	$facedata = Coro::Storable::thaw $facedata;
2139		2850
2140	Return a hashref for use by the extension C<$family>, which can be	2851	$facedata->{version} == 2
2141	modified. After modifications, you have to call C<cf::db_dirty> or	2852	or cf::cleanup "$path: version mismatch, cannot proceed.";
2142	C<cf::db_sync>.
2143		2853
2144	=item $value = cf::db_get $family => $key	2854	# patch in the exptable
2145		2855	$facedata->{resource}{"res/exp_table"} = {
2146	Returns a single value from the database	2856	type => FT_RSRC,
2147		2857	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2148	=item cf::db_put $family => $hashref
2149
2150	Stores the given family hashref into the database. Updates are delayed, if
2151	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2152
2153	=item cf::db_put $family => $key => $value
2154
2155	Stores the given C<$value> in the family hash. Updates are delayed, if you
2156	want the data to be synced to disk immediately, use C<cf::db_sync>.
2157
2158	=item cf::db_dirty
2159
2160	Marks the database as dirty, to be updated at a later time.
2161
2162	=item cf::db_sync
2163
2164	Immediately write the database to disk I<if it is dirty>.
2165
2166	=cut
2167
2168	our $DB;
2169
2170	{
2171	my $path = cf::localdir . "/database.pst";
2172
2173	sub db_load() {
2174	$DB = stat $path ? Storable::retrieve $path : { };
2175	}
2176
2177	my $pid;
2178
2179	sub db_save() {
2180	waitpid $pid, 0 if $pid;
2181	if (0 == ($pid = fork)) {
2182	$DB->{_meta}{version} = 1;
2183	Storable::nstore $DB, "$path~";
2184	rename "$path~", $path;
2185	cf::_exit 0 if defined $pid;
2186	}
2187	}
2188
2189	my $dirty;
2190
2191	sub db_sync() {
2192	db_save if $dirty;
2193	undef $dirty;
2194	}
2195
2196	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2197	db_sync;
2198	});	2858	};
		2859	cf::cede_to_tick;
2199		2860
2200	sub db_dirty() {
2201	$dirty = 1;
2202	$idle->start;
2203	}	2861	{
		2862	my $faces = $facedata->{faceinfo};
2204		2863
2205	sub db_get($;$) {	2864	while (my ($face, $info) = each %$faces) {
2206	@_ >= 2	2865	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2207	? $DB->{$_[0]}{$_[1]}	2866	cf::face::set_visibility $idx, $info->{visibility};
2208	: ($DB->{$_[0]} ||= { })	2867	cf::face::set_magicmap $idx, $info->{magicmap};
2209	}	2868	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2869	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2210		2870
2211	sub db_put($$;$) {	2871	cf::cede_to_tick;
2212	if (@_ >= 3) {
2213	$DB->{$_[0]}{$_[1]} = $_[2];
2214	} else {
2215	$DB->{$_[0]} = $_[1];
2216	}
2217	db_dirty;
2218	}
2219
2220	cf::global->attach (
2221	prio => 10000,
2222	on_cleanup => sub {
2223	db_sync;
2224	},	2872	}
2225	);
2226	}
2227		2873
2228	#############################################################################	2874	while (my ($face, $info) = each %$faces) {
2229	# the server's main()	2875	next unless $info->{smooth};
		2876	my $idx = cf::face::find $face
		2877	or next;
		2878	if (my $smooth = cf::face::find $info->{smooth}) {
		2879	cf::face::set_smooth $idx, $smooth;
		2880	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2881	} else {
		2882	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2883	}
2230		2884
2231	sub cfg_load {	2885	cf::cede_to_tick;
		2886	}
		2887	}
		2888
		2889	{
		2890	my $anims = $facedata->{animinfo};
		2891
		2892	while (my ($anim, $info) = each %$anims) {
		2893	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2894	cf::cede_to_tick;
		2895	}
		2896
		2897	cf::anim::invalidate_all; # d'oh
		2898	}
		2899
		2900	{
		2901	# TODO: for gcfclient pleasure, we should give resources
		2902	# that gcfclient doesn't grok a >10000 face index.
		2903	my $res = $facedata->{resource};
		2904
		2905	my $soundconf = delete $res->{"res/sound.conf"};
		2906
		2907	while (my ($name, $info) = each %$res) {
		2908	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2909	my $data;
		2910
		2911	if ($info->{type} & 1) {
		2912	# prepend meta info
		2913
		2914	my $meta = $enc->encode ({
		2915	name => $name,
		2916	%{ $info->{meta} || {} },
		2917	});
		2918
		2919	$data = pack "(w/a*)*", $meta, $info->{data};
		2920	} else {
		2921	$data = $info->{data};
		2922	}
		2923
		2924	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2925	cf::face::set_type $idx, $info->{type};
		2926
		2927	cf::cede_to_tick;
		2928	}
		2929
		2930	if ($soundconf) {
		2931	$soundconf = $enc->decode (delete $soundconf->{data});
		2932
		2933	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2934	my $sound = $soundconf->{compat}[$_]
		2935	or next;
		2936
		2937	my $face = cf::face::find "sound/$sound->[1]";
		2938	cf::sound::set $sound->[0] => $face;
		2939	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2940	}
		2941
		2942	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2943	my $face = cf::face::find "sound/$v";
		2944	cf::sound::set $k => $face;
		2945	}
		2946	}
		2947	}
		2948
		2949	1
		2950	}
		2951
		2952	register_exticmd fx_want => sub {
		2953	my ($ns, $want) = @_;
		2954
		2955	while (my ($k, $v) = each %$want) {
		2956	$ns->fx_want ($k, $v);
		2957	}
		2958	};
		2959
		2960	sub reload_regions {
		2961	load_resource_file "$MAPDIR/regions"
		2962	or die "unable to load regions file\n";
		2963
		2964	for (cf::region::list) {
		2965	$_->{match} = qr/$_->{match}/
		2966	if exists $_->{match};
		2967	}
		2968	}
		2969
		2970	sub reload_facedata {
		2971	load_facedata "$DATADIR/facedata"
		2972	or die "unable to load facedata\n";
		2973	}
		2974
		2975	sub reload_archetypes {
		2976	load_resource_file "$DATADIR/archetypes"
		2977	or die "unable to load archetypes\n";
		2978	#d# NEED to laod twice to resolve forward references
		2979	# this really needs to be done in an extra post-pass
		2980	# (which needs to be synchronous, so solve it differently)
		2981	load_resource_file "$DATADIR/archetypes"
		2982	or die "unable to load archetypes\n";
		2983	}
		2984
		2985	sub reload_treasures {
		2986	load_resource_file "$DATADIR/treasures"
		2987	or die "unable to load treasurelists\n";
		2988	}
		2989
		2990	sub reload_resources {
		2991	warn "reloading resource files...\n";
		2992
		2993	reload_regions;
		2994	reload_facedata;
		2995	#reload_archetypes;#d#
		2996	reload_archetypes;
		2997	reload_treasures;
		2998
		2999	warn "finished reloading resource files\n";
		3000	}
		3001
		3002	sub init {
		3003	reload_resources;
		3004	}
		3005
		3006	sub reload_config {
2232	open my $fh, "<:utf8", cf::confdir . "/config"	3007	open my $fh, "<:utf8", "$CONFDIR/config"
2233	or return;	3008	or return;
2234		3009
2235	local $/;	3010	local $/;
2236	*CFG = YAML::Syck::Load <$fh>;	3011	*CFG = YAML::Syck::Load <$fh>;
2237		3012
…		…
2251		3026
2252	sub main {	3027	sub main {
2253	# we must not ever block the main coroutine	3028	# we must not ever block the main coroutine
2254	local $Coro::idle = sub {	3029	local $Coro::idle = sub {
2255	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3030	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3031	(async {
2256	async { Event::one_event };	3032	Event::one_event;
		3033	})->prio (Coro::PRIO_MAX);
2257	};	3034	};
2258		3035
2259	cfg_load;	3036	reload_config;
2260	db_load;	3037	db_init;
2261	load_extensions;	3038	load_extensions;
		3039
		3040	$TICK_WATCHER->start;
2262	Event::loop;	3041	Event::loop;
2263	}	3042	}
2264		3043
2265	#############################################################################	3044	#############################################################################
2266	# initialisation and cleanup	3045	# initialisation and cleanup
2267		3046
2268	# install some emergency cleanup handlers	3047	# install some emergency cleanup handlers
2269	BEGIN {	3048	BEGIN {
2270	for my $signal (qw(INT HUP TERM)) {	3049	for my $signal (qw(INT HUP TERM)) {
2271	Event->signal (	3050	Event->signal (
		3051	reentrant => 0,
2272	data => WF_AUTOCANCEL,	3052	data => WF_AUTOCANCEL,
2273	signal => $signal,	3053	signal => $signal,
		3054	prio => 0,
2274	cb => sub {	3055	cb => sub {
2275	cf::cleanup "SIG$signal";	3056	cf::cleanup "SIG$signal";
2276	},	3057	},
2277	);	3058	);
2278	}	3059	}
2279	}	3060	}
2280		3061
		3062	sub write_runtime {
		3063	my $runtime = "$LOCALDIR/runtime";
		3064
		3065	# first touch the runtime file to show we are still running:
		3066	# the fsync below can take a very very long time.
		3067
		3068	IO::AIO::aio_utime $runtime, undef, undef;
		3069
		3070	my $guard = cf::lock_acquire "write_runtime";
		3071
		3072	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3073	or return;
		3074
		3075	my $value = $cf::RUNTIME + 90 + 10;
		3076	# 10 is the runtime save interval, for a monotonic clock
		3077	# 60 allows for the watchdog to kill the server.
		3078
		3079	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3080	and return;
		3081
		3082	# always fsync - this file is important
		3083	aio_fsync $fh
		3084	and return;
		3085
		3086	# touch it again to show we are up-to-date
		3087	aio_utime $fh, undef, undef;
		3088
		3089	close $fh
		3090	or return;
		3091
		3092	aio_rename "$runtime~", $runtime
		3093	and return;
		3094
		3095	warn "runtime file written.\n";
		3096
		3097	1
		3098	}
		3099
2281	sub emergency_save() {	3100	sub emergency_save() {
2282	my $freeze_guard = cf::freeze_mainloop;	3101	my $freeze_guard = cf::freeze_mainloop;
2283		3102
2284	warn "enter emergency perl save\n";	3103	warn "enter emergency perl save\n";
2285		3104
2286	cf::sync_job {	3105	cf::sync_job {
2287	# use a peculiar iteration method to avoid tripping on perl	3106	# use a peculiar iteration method to avoid tripping on perl
2288	# refcount bugs in for. also avoids problems with players	3107	# refcount bugs in for. also avoids problems with players
2289	# and maps saved/Destroyed asynchronously.	3108	# and maps saved/destroyed asynchronously.
2290	warn "begin emergency player save\n";	3109	warn "begin emergency player save\n";
2291	for my $login (keys %cf::PLAYER) {	3110	for my $login (keys %cf::PLAYER) {
2292	my $pl = $cf::PLAYER{$login} or next;	3111	my $pl = $cf::PLAYER{$login} or next;
2293	$pl->valid or next;	3112	$pl->valid or next;
2294	$pl->save;	3113	$pl->save;
…		…
2300	my $map = $cf::MAP{$path} or next;	3119	my $map = $cf::MAP{$path} or next;
2301	$map->valid or next;	3120	$map->valid or next;
2302	$map->save;	3121	$map->save;
2303	}	3122	}
2304	warn "end emergency map save\n";	3123	warn "end emergency map save\n";
		3124
		3125	warn "begin emergency database checkpoint\n";
		3126	BDB::db_env_txn_checkpoint $DB_ENV;
		3127	warn "end emergency database checkpoint\n";
2305	};	3128	};
2306		3129
2307	warn "leave emergency perl save\n";	3130	warn "leave emergency perl save\n";
2308	}	3131	}
2309		3132
		3133	sub post_cleanup {
		3134	my ($make_core) = @_;
		3135
		3136	warn Carp::longmess "post_cleanup backtrace"
		3137	if $make_core;
		3138	}
		3139
2310	sub reload() {	3140	sub do_reload_perl() {
2311	# can/must only be called in main	3141	# can/must only be called in main
2312	if ($Coro::current != $Coro::main) {	3142	if ($Coro::current != $Coro::main) {
2313	warn "can only reload from main coroutine\n";	3143	warn "can only reload from main coroutine";
2314	return;	3144	return;
2315	}	3145	}
2316		3146
2317	warn "reloading...";	3147	warn "reloading...";
2318		3148
2319	warn "freezing server";	3149	warn "entering sync_job";
2320	my $guard = freeze_mainloop;	3150
		3151	cf::sync_job {
		3152	cf::write_runtime; # external watchdog should not bark
2321	cf::emergency_save;	3153	cf::emergency_save;
		3154	cf::write_runtime; # external watchdog should not bark
2322		3155
2323	warn "sync database to disk";	3156	warn "syncing database to disk";
2324	cf::db_sync;	3157	BDB::db_env_txn_checkpoint $DB_ENV;
2325	IO::AIO::flush;
2326		3158
2327	eval {
2328	# if anything goes wrong in here, we should simply crash as we already saved	3159	# if anything goes wrong in here, we should simply crash as we already saved
2329		3160
2330	warn "cancel all watchers";	3161	warn "cancelling all WF_AUTOCANCEL watchers";
2331	for (Event::all_watchers) {	3162	for (Event::all_watchers) {
2332	$_->cancel if $_->data & WF_AUTOCANCEL;	3163	$_->cancel if $_->data & WF_AUTOCANCEL;
2333	}	3164	}
2334		3165
		3166	warn "flushing outstanding aio requests";
		3167	for (;;) {
		3168	BDB::flush;
		3169	IO::AIO::flush;
		3170	Coro::cede;
		3171	last unless IO::AIO::nreqs || BDB::nreqs;
		3172	warn "iterate...";
		3173	}
		3174
		3175	++$RELOAD;
		3176
2335	warn "cancel all extension coros";	3177	warn "cancelling all extension coros";
2336	$_->cancel for values %EXT_CORO;	3178	$_->cancel for values %EXT_CORO;
2337	%EXT_CORO = ();	3179	%EXT_CORO = ();
2338		3180
2339	warn "remove commands";	3181	warn "removing commands";
2340	%COMMAND = ();	3182	%COMMAND = ();
2341		3183
2342	warn "remove ext commands";	3184	warn "removing ext/exti commands";
2343	%EXTCMD = ();	3185	%EXTCMD = ();
		3186	%EXTICMD = ();
2344		3187
2345	warn "unload/nuke all extensions";	3188	warn "unloading/nuking all extensions";
2346	for my $pkg (@EXTS) {	3189	for my $pkg (@EXTS) {
2347	warn "... unloading $pkg";	3190	warn "... unloading $pkg";
2348		3191
2349	if (my $cb = $pkg->can ("unload")) {	3192	if (my $cb = $pkg->can ("unload")) {
2350	eval {	3193	eval {
…		…
2355		3198
2356	warn "... nuking $pkg";	3199	warn "... nuking $pkg";
2357	Symbol::delete_package $pkg;	3200	Symbol::delete_package $pkg;
2358	}	3201	}
2359		3202
2360	warn "unload all perl modules loaded from $LIBDIR";	3203	warn "unloading all perl modules loaded from $LIBDIR";
2361	while (my ($k, $v) = each %INC) {	3204	while (my ($k, $v) = each %INC) {
2362	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3205	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2363		3206
2364	warn "removing <$k>";	3207	warn "... unloading $k";
2365	delete $INC{$k};	3208	delete $INC{$k};
2366		3209
2367	$k =~ s/\.pm$//;	3210	$k =~ s/\.pm$//;
2368	$k =~ s/\//::/g;	3211	$k =~ s/\//::/g;
2369		3212
…		…
2372	}	3215	}
2373		3216
2374	Symbol::delete_package $k;	3217	Symbol::delete_package $k;
2375	}	3218	}
2376		3219
2377	warn "get rid of safe::, as good as possible";	3220	warn "getting rid of safe::, as good as possible";
2378	Symbol::delete_package "safe::$_"	3221	Symbol::delete_package "safe::$_"
2379	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3222	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2380		3223
2381	warn "unload cf.pm \"a bit\"";	3224	warn "unloading cf.pm \"a bit\"";
2382	delete $INC{"cf.pm"};	3225	delete $INC{"cf.pm"};
		3226	delete $INC{"cf/pod.pm"};
2383		3227
2384	# don't, removes xs symbols, too,	3228	# don't, removes xs symbols, too,
2385	# and global variables created in xs	3229	# and global variables created in xs
2386	#Symbol::delete_package __PACKAGE__;	3230	#Symbol::delete_package __PACKAGE__;
2387		3231
		3232	warn "unload completed, starting to reload now";
		3233
2388	warn "reloading cf.pm";	3234	warn "reloading cf.pm";
2389	require cf;	3235	require cf;
2390	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3236	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2391		3237
2392	warn "load config and database again";	3238	warn "loading config and database again";
2393	cf::cfg_load;	3239	cf::reload_config;
2394	cf::db_load;
2395		3240
2396	warn "load extensions";	3241	warn "loading extensions";
2397	cf::load_extensions;	3242	cf::load_extensions;
2398		3243
2399	warn "reattach attachments to objects/players";	3244	warn "reattaching attachments to objects/players";
2400	_global_reattach;	3245	_global_reattach; # objects, sockets
2401	warn "reattach attachments to maps";	3246	warn "reattaching attachments to maps";
2402	reattach $_ for values %MAP;	3247	reattach $_ for values %MAP;
2403	};	3248	warn "reattaching attachments to players";
		3249	reattach $_ for values %PLAYER;
2404		3250
2405	if ($@) {	3251	warn "leaving sync_job";
		3252
		3253	1
		3254	} or do {
2406	warn $@;	3255	warn $@;
2407	warn "error while reloading, exiting.";	3256	warn "error while reloading, exiting.";
2408	exit 1;	3257	exit 1;
2409	}	3258	};
2410		3259
2411	warn "reloaded";	3260	warn "reloaded";
2412	};	3261	};
2413		3262
2414	#############################################################################	3263	our $RELOAD_WATCHER; # used only during reload
2415		3264
2416	unless ($LINK_MAP) {	3265	sub reload_perl() {
2417	$LINK_MAP = cf::map::new;	3266	# doing reload synchronously and two reloads happen back-to-back,
		3267	# coro crashes during coro_state_free->destroy here.
2418		3268
2419	$LINK_MAP->width (41);	3269	$RELOAD_WATCHER ||= Event->timer (
2420	$LINK_MAP->height (41);	3270	reentrant => 0,
2421	$LINK_MAP->alloc;
2422	$LINK_MAP->path ("{link}");
2423	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2424	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2425
2426	# dirty hack because... archetypes are not yet loaded
2427	Event->timer (
2428	after => 10,	3271	after => 0,
		3272	data => WF_AUTOCANCEL,
2429	cb => sub {	3273	cb => sub {
2430	$_[0]->w->cancel;	3274	do_reload_perl;
2431		3275	undef $RELOAD_WATCHER;
2432	# provide some exits "home"
2433	my $exit = cf::object::new "exit";
2434
2435	$exit->slaying ($EMERGENCY_POSITION->[0]);
2436	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2437	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2438
2439	$LINK_MAP->insert ($exit->clone, 19, 19);
2440	$LINK_MAP->insert ($exit->clone, 19, 20);
2441	$LINK_MAP->insert ($exit->clone, 19, 21);
2442	$LINK_MAP->insert ($exit->clone, 20, 19);
2443	$LINK_MAP->insert ($exit->clone, 20, 21);
2444	$LINK_MAP->insert ($exit->clone, 21, 19);
2445	$LINK_MAP->insert ($exit->clone, 21, 20);
2446	$LINK_MAP->insert ($exit->clone, 21, 21);
2447
2448	$exit->destroy;
2449	});	3276	},
2450		3277	);
2451	$LINK_MAP->{deny_save} = 1;
2452	$LINK_MAP->{deny_reset} = 1;
2453
2454	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2455	}	3278	}
2456		3279
2457	register_command "reload" => sub {	3280	register_command "reload" => sub {
2458	my ($who, $arg) = @_;	3281	my ($who, $arg) = @_;
2459		3282
2460	if ($who->flag (FLAG_WIZ)) {	3283	if ($who->flag (FLAG_WIZ)) {
2461	$who->message ("start of reload.");
2462	reload;
2463	$who->message ("end of reload.");	3284	$who->message ("reloading server.");
		3285	async { reload_perl };
2464	}	3286	}
2465	};	3287	};
2466		3288
2467	unshift @INC, $LIBDIR;	3289	unshift @INC, $LIBDIR;
2468		3290
		3291	my $bug_warning = 0;
		3292
		3293	our @WAIT_FOR_TICK;
		3294	our @WAIT_FOR_TICK_BEGIN;
		3295
		3296	sub wait_for_tick {
		3297	return unless $TICK_WATCHER->is_active;
		3298	return if $Coro::current == $Coro::main;
		3299
		3300	my $signal = new Coro::Signal;
		3301	push @WAIT_FOR_TICK, $signal;
		3302	$signal->wait;
		3303	}
		3304
		3305	sub wait_for_tick_begin {
		3306	return unless $TICK_WATCHER->is_active;
		3307	return if $Coro::current == $Coro::main;
		3308
		3309	my $signal = new Coro::Signal;
		3310	push @WAIT_FOR_TICK_BEGIN, $signal;
		3311	$signal->wait;
		3312	}
		3313
		3314	my $min = 1e6;#d#
		3315	my $avg = 10;
2469	$TICK_WATCHER = Event->timer (	3316	$TICK_WATCHER = Event->timer (
2470	reentrant => 0,	3317	reentrant => 0,
		3318	parked => 1,
2471	prio => 0,	3319	prio => 0,
2472	at => $NEXT_TICK || $TICK,	3320	at => $NEXT_TICK || $TICK,
2473	data => WF_AUTOCANCEL,	3321	data => WF_AUTOCANCEL,
2474	cb => sub {	3322	cb => sub {
		3323	if ($Coro::current != $Coro::main) {
		3324	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3325	unless ++$bug_warning > 10;
		3326	return;
		3327	}
		3328
2475	$NOW = Event::time;	3329	$NOW = $tick_start = Event::time;
2476		3330
2477	cf::server_tick; # one server iteration	3331	cf::server_tick; # one server iteration
		3332
		3333	0 && sync_job {#d#
		3334	for(1..10) {
		3335	my $t = Event::time;
		3336	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3337	or die;
		3338
		3339	$map->width (50);
		3340	$map->height (50);
		3341	$map->alloc;
		3342	$map->_load_objects ("/tmp/x.map", 1);
		3343	my $t = Event::time - $t;
		3344
		3345	#next unless $t < 0.0013;#d#
		3346	if ($t < $min) {
		3347	$min = $t;
		3348	}
		3349	$avg = $avg * 0.99 + $t * 0.01;
		3350	}
		3351	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3352	exit 0;
		3353	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3354	};
		3355
2478	$RUNTIME += $TICK;	3356	$RUNTIME += $TICK;
2479	$NEXT_TICK += $TICK;	3357	$NEXT_TICK += $TICK;
2480		3358
2481	$WAIT_FOR_TICK->broadcast;	3359	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2482	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3360	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3361	Coro::async_pool {
		3362	write_runtime
		3363	or warn "ERROR: unable to write runtime file: $!";
		3364	};
		3365	}
		3366
		3367	# my $AFTER = Event::time;
		3368	# warn $AFTER - $NOW;#d#
		3369
		3370	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3371	$sig->send;
		3372	}
		3373	while (my $sig = shift @WAIT_FOR_TICK) {
		3374	$sig->send;
		3375	}
		3376
		3377	$NOW = Event::time;
2483		3378
2484	# if we are delayed by four ticks or more, skip them all	3379	# if we are delayed by four ticks or more, skip them all
2485	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3380	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2486		3381
2487	$TICK_WATCHER->at ($NEXT_TICK);	3382	$TICK_WATCHER->at ($NEXT_TICK);
2488	$TICK_WATCHER->start;	3383	$TICK_WATCHER->start;
		3384
		3385	$LOAD = ($NOW - $tick_start) / $TICK;
		3386	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3387
		3388	_post_tick;
		3389
		3390
2489	},	3391	},
2490	);	3392	);
2491		3393
		3394	{
2492	IO::AIO::max_poll_time $TICK * 0.2;	3395	BDB::max_poll_time $TICK * 0.1;
2493		3396	$BDB_POLL_WATCHER = Event->io (
2494	Event->io (	3397	reentrant => 0,
2495	fd => IO::AIO::poll_fileno,	3398	fd => BDB::poll_fileno,
2496	poll => 'r',	3399	poll => 'r',
2497	prio => 5,	3400	prio => 0,
2498	data => WF_AUTOCANCEL,
2499	cb => \&IO::AIO::poll_cb,
2500	);
2501
2502	Event->timer (
2503	data => WF_AUTOCANCEL,	3401	data => WF_AUTOCANCEL,
2504	after => 0,	3402	cb => \&BDB::poll_cb,
2505	interval => 10,	3403	);
2506	cb => sub {	3404	BDB::min_parallel 8;
2507	(Coro::unblock_sub {	3405
2508	write_runtime	3406	BDB::set_sync_prepare {
2509	or warn "ERROR: unable to write runtime file: $!";	3407	my $status;
		3408	my $current = $Coro::current;
		3409	(
		3410	sub {
		3411	$status = $!;
		3412	$current->ready; undef $current;
		3413	},
		3414	sub {
		3415	Coro::schedule while defined $current;
		3416	$! = $status;
		3417	},
		3418	)
		3419	};
		3420
		3421	unless ($DB_ENV) {
		3422	$DB_ENV = BDB::db_env_create;
		3423
		3424	cf::sync_job {
		3425	eval {
		3426	BDB::db_env_open
		3427	$DB_ENV,
		3428	$BDBDIR,
		3429	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3430	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3431	0666;
		3432
		3433	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3434
		3435	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3436	$DB_ENV->set_lk_detect;
		3437	};
		3438
		3439	cf::cleanup "db_env_open(db): $@" if $@;
2510	})->();	3440	};
2511	},	3441	}
2512	);	3442	}
		3443
		3444	{
		3445	IO::AIO::min_parallel 8;
		3446
		3447	undef $Coro::AIO::WATCHER;
		3448	IO::AIO::max_poll_time $TICK * 0.1;
		3449	$AIO_POLL_WATCHER = Event->io (
		3450	reentrant => 0,
		3451	data => WF_AUTOCANCEL,
		3452	fd => IO::AIO::poll_fileno,
		3453	poll => 'r',
		3454	prio => 6,
		3455	cb => \&IO::AIO::poll_cb,
		3456	);
		3457	}
		3458
		3459	my $_log_backtrace;
		3460
		3461	sub _log_backtrace {
		3462	my ($msg, @addr) = @_;
		3463
		3464	$msg =~ s/\n//;
		3465
		3466	# limit the # of concurrent backtraces
		3467	if ($_log_backtrace < 2) {
		3468	++$_log_backtrace;
		3469	async {
		3470	my @bt = fork_call {
		3471	@addr = map { sprintf "%x", $_ } @addr;
		3472	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3473	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3474	or die "addr2line: $!";
		3475
		3476	my @funcs;
		3477	my @res = <$fh>;
		3478	chomp for @res;
		3479	while (@res) {
		3480	my ($func, $line) = splice @res, 0, 2, ();
		3481	push @funcs, "[$func] $line";
		3482	}
		3483
		3484	@funcs
		3485	};
		3486
		3487	LOG llevInfo, "[ABT] $msg\n";
		3488	LOG llevInfo, "[ABT] $_\n" for @bt;
		3489	--$_log_backtrace;
		3490	};
		3491	} else {
		3492	LOG llevInfo, "[ABT] $msg\n";
		3493	LOG llevInfo, "[ABT] [suppressed]\n";
		3494	}
		3495	}
		3496
		3497	# load additional modules
		3498	use cf::pod;
2513		3499
2514	END { cf::emergency_save }	3500	END { cf::emergency_save }
2515		3501
2516	1	3502	1
2517		3503

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