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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.164 by root, Thu Jan 11 01:24:25 2007 UTC vs.
Revision 1.348 by root, Thu Aug 30 08:34:40 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	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	sub unlink_save {
522	my ($self) = @_;
523
524	utf8::encode (my $save = $self->save_path);
525	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
526	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
527	}
528
529	package cf;
530		626
531	#############################################################################	627	#############################################################################
532		628
533	=head2 ATTACHABLE OBJECTS	629	=head2 ATTACHABLE OBJECTS
534		630
…		…
536	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")
537	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
538		634
539	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>
540	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
541	crossfire+).	637	Crossfire TRT).
542		638
543	=over 4	639	=over 4
544		640
545	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
546		642
…		…
660	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
661	our @CB_MAP = ();	757	our @CB_MAP = ();
662		758
663	my %attachment;	759	my %attachment;
664		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
665	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
666	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
667		769
668	use sort 'stable';	770	use sort 'stable';
669		771
…		…
703	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
704		806
705	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
706	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
707	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
708	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
709		811
710	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
711	my $pkg = shift @arg;	813	my $pkg = shift @arg;
712		814
713	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
742	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
743	}	845	}
744		846
745	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
746	} else {	848	} else {
747	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
748	}	850	}
749		851
750	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
751	}	853	}
752		854
…		…
754	if (ref $_[0]) {	856	if (ref $_[0]) {
755	_object_attach @_;	857	_object_attach @_;
756	} else {	858	} else {
757	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
758	}	860	}
		861	_recalc_want;
759	};	862	};
760		863
761	# all those should be optimised	864	# all those should be optimised
762	sub cf::attachable::detach {	865	sub cf::attachable::detach {
763	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
766	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
767	reattach ($obj);	870	reattach ($obj);
768	} else {	871	} else {
769	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
770	}	873	}
		874	_recalc_want;
771	};	875	};
772		876
773	sub cf::attachable::attached {	877	sub cf::attachable::attached {
774	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
775		879
…		…
790	";	894	";
791	die if $@;	895	die if $@;
792	}	896	}
793		897
794	our $override;	898	our $override;
795	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?
796		900
797	sub override {	901	sub override {
798	$override = 1;	902	$override = 1;
799	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
800	}	904	}
801		905
802	sub do_invoke {	906	sub do_invoke {
803	my $event = shift;	907	my $event = shift;
804	my $callbacks = shift;	908	my $callbacks = shift;
805		909
806	@invoke_results = ();	910	@INVOKE_RESULTS = ();
807		911
808	local $override;	912	local $override;
809		913
810	for (@$callbacks) {	914	for (@$callbacks) {
811	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
828		932
829	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
830		934
831	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
832	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
833	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
834		938
835	=back	939	=back
836		940
837	=cut	941	=cut
838		942
839	#############################################################################	943	#############################################################################
840	# 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	}
841		956
842	sub reattach {	957	sub reattach {
843	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
844	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
845		962
846	my $registry = $obj->registry;	963	my $registry = $obj->registry;
847		964
848	@$registry = ();	965	@$registry = ();
849		966
…		…
896	$filename, length $$rdata, scalar @$objs;	1013	$filename, length $$rdata, scalar @$objs;
897		1014
898	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1015	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
899	chmod SAVE_MODE, $fh;	1016	chmod SAVE_MODE, $fh;
900	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1017	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
901	aio_fsync $fh;	1018	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	1019	close $fh;
903		1020
904	if (@$objs) {	1021	if (@$objs) {
905	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) {
906	chmod SAVE_MODE, $fh;	1023	chmod SAVE_MODE, $fh;
907	my $data = Storable::nfreeze { version => 1, objs => $objs };	1024	my $data = Storable::nfreeze { version => 1, objs => $objs };
908	aio_write $fh, 0, (length $data), $data, 0;	1025	aio_write $fh, 0, (length $data), $data, 0;
909	aio_fsync $fh;	1026	aio_fsync $fh if $cf::USE_FSYNC;
910	close $fh;	1027	close $fh;
911	aio_rename "$filename.pst~", "$filename.pst";	1028	aio_rename "$filename.pst~", "$filename.pst";
912	}	1029	}
913	} else {	1030	} else {
914	aio_unlink "$filename.pst";	1031	aio_unlink "$filename.pst";
…		…
946	or return;	1063	or return;
947	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
948	}	1065	}
949		1066
950	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
951	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
952	return ($data, $av);	1069	return ($data, $av);
953	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
954		1077
955	#############################################################################	1078	#############################################################################
956	# command handling &c	1079	# command handling &c
957		1080
958	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
971	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
972	}	1095	}
973		1096
974	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
975		1098
976	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.
977		1104
978	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
979	called.	1106	called.
980		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
981	=cut	1119	=cut
982		1120
983	sub register_extcmd {	1121	sub register_extcmd {
984	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
985		1123
986	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
987	}	1131	}
988		1132
989	cf::player->attach (	1133	cf::player->attach (
990	on_command => sub {	1134	on_command => sub {
991	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
1000	cf::override;	1144	cf::override;
1001	},	1145	},
1002	on_extcmd => sub {	1146	on_extcmd => sub {
1003	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
1004		1148
1005	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1006		1150
1007	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
1008	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
1009	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
1010	$pl->ext_reply ($msg->{msgid}, %reply);
1011	}
1012	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
1013	} else {	1166	} else {
1014	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1015	}	1168	}
1016		1169
1017	cf::override;	1170	cf::override;
1018	},	1171	},
1019	);	1172	);
1020		1173
1021	sub load_extension {
1022	my ($path) = @_;
1023
1024	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1025	my $base = $1;
1026	my $pkg = $1;
1027	$pkg =~ s/[^[:word:]]/_/g;
1028	$pkg = "ext::$pkg";
1029
1030	warn "... loading '$path' into '$pkg'\n";
1031
1032	open my $fh, "<:utf8", $path
1033	or die "$path: $!";
1034
1035	my $source =
1036	"package $pkg; use strict; use utf8;\n"
1037	. "#line 1 \"$path\"\n{\n"
1038	. (do { local $/; <$fh> })
1039	. "\n};\n1";
1040
1041	eval $source
1042	or die $@ ? "$path: $@\n"
1043	: "extension disabled.\n";
1044
1045	push @EXTS, $pkg;
1046	}
1047
1048	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
1049	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
1050	next unless -r $ext;	1179	next unless -r $path;
1051	eval {	1180
1052	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;
1053	1	1238	}
1054	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
1055	}	1244	};
1056	}	1245	}
1057		1246
1058	#############################################################################	1247	#############################################################################
1059	# load/save/clean perl data associated with a map
1060		1248
1061	*cf::mapsupport::on_clean = sub {	1249	=back
1062	my ($map) = @_;
1063
1064	my $path = $map->tmpname;
1065	defined $path or return;
1066
1067	unlink "$path.pst";
1068	};
1069
1070	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1071
1072	#############################################################################
1073		1250
1074	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
1075		1252
1076	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
1077		1254
…		…
1090	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
1091		1268
1092	=cut	1269	=cut
1093		1270
1094	sub playerdir($) {	1271	sub playerdir($) {
1095	cf::localdir	1272	"$PLAYERDIR/"
1096	. "/"
1097	. cf::playerdir
1098	. "/"
1099	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1100	}	1274	}
1101		1275
1102	sub path($) {	1276	sub path($) {
1103	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1104		1278
1105	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
1106	}	1280	}
1107		1281
1108	sub find_active($) {	1282	sub find_active($) {
1109	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
1110	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
1113		1287
1114	sub exists($) {	1288	sub exists($) {
1115	my ($login) = @_;	1289	my ($login) = @_;
1116		1290
1117	$cf::PLAYER{$login}	1291	$cf::PLAYER{$login}
1118	or cf::sync_job { !aio_stat $login }	1292	or cf::sync_job { !aio_stat path $login }
1119	}	1293	}
1120		1294
1121	sub find($) {	1295	sub find($) {
1122	return $cf::PLAYER{$_[0]} || do {	1296	return $cf::PLAYER{$_[0]} || do {
1123	my $login = $_[0];	1297	my $login = $_[0];
1124		1298
1125	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
1126		1300
1127	$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
1128	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
1129	or return;	1310	or return;
1130	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
1131	}	1312	}
1132	}	1313	}
…		…
1144		1325
1145	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1146	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1147		1328
1148	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1149	Coro::cede;	1330	cf::cede_to_tick;
1150	}	1331	}
1151		1332
1152	sub new($) {	1333	sub new($) {
1153	my ($login) = @_;	1334	my ($login) = @_;
1154		1335
…		…
1160	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1161		1342
1162	$self	1343	$self
1163	}	1344	}
1164		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
1165	=item $pl->quit_character	1356	=item $pl->quit_character
1166		1357
1167	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
1168	be destroyed. May block for a long time.	1359	be destroyed. May block for a long time.
1169		1360
1170	=cut	1361	=cut
1171		1362
1172	sub quit_character {	1363	sub quit_character {
1173	my ($pl) = @_;	1364	my ($pl) = @_;
		1365
		1366	my $name = $pl->ob->name;
1174		1367
1175	$pl->{deny_save} = 1;	1368	$pl->{deny_save} = 1;
1176	$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
1177		1370
1178	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1371	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1183	my $path = playerdir $pl;	1376	my $path = playerdir $pl;
1184	my $temp = "$path~$cf::RUNTIME~deleting~";	1377	my $temp = "$path~$cf::RUNTIME~deleting~";
1185	aio_rename $path, $temp;	1378	aio_rename $path, $temp;
1186	delete $cf::PLAYER{$pl->ob->name};	1379	delete $cf::PLAYER{$pl->ob->name};
1187	$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
1188	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;
1189	}	1402	}
1190		1403
1191	=item cf::player::list_logins	1404	=item cf::player::list_logins
1192		1405
1193	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
1194	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1195		1408
1196	=cut	1409	=cut
1197		1410
1198	sub list_logins {	1411	sub list_logins {
1199	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1200	or return [];	1413	or return [];
1201		1414
1202	my @logins;	1415	my @logins;
1203		1416
1204	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1213	\@logins	1426	\@logins
1214	}	1427	}
1215		1428
1216	=item $player->maps	1429	=item $player->maps
1217		1430
1218	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
1219	player. May block.	1432	player. May block.
1220		1433
1221	=cut	1434	=cut
1222		1435
1223	sub maps($) {	1436	sub maps($) {
1224	my ($pl) = @_;	1437	my ($pl) = @_;
		1438
		1439	$pl = ref $pl ? $pl->ob->name : $pl;
1225		1440
1226	my $files = aio_readdir playerdir $pl	1441	my $files = aio_readdir playerdir $pl
1227	or return;	1442	or return;
1228		1443
1229	my @paths;	1444	my @paths;
…		…
1231	for (@$files) {	1446	for (@$files) {
1232	utf8::decode $_;	1447	utf8::decode $_;
1233	next if /\.(?:pl|pst)$/;	1448	next if /\.(?:pl|pst)$/;
1234	next unless /^$PATH_SEP/o;	1449	next unless /^$PATH_SEP/o;
1235		1450
1236	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1451	push @paths, cf::map::normalise "~$pl/$_";
1237	}	1452	}
1238		1453
1239	\@paths	1454	\@paths
1240	}	1455	}
1241		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
1242	=item $player->ext_reply ($msgid, $msgtype, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1243		1508
1244	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1245		1510
1246	=cut	1511	=cut
1247		1512
1248	sub ext_reply($$$%) {	1513	sub ext_reply($$@) {
1249	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1250		1515
1251	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1252
1253	$self->send ("ext " . cf::to_json \%msg);
1254	}	1517	}
1255		1518
1256	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		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	}
1257		1559
1258	=back	1560	=back
1259
1260		1561
1261	=head3 cf::map	1562	=head3 cf::map
1262		1563
1263	=over 4	1564	=over 4
1264		1565
…		…
1267	package cf::map;	1568	package cf::map;
1268		1569
1269	use Fcntl;	1570	use Fcntl;
1270	use Coro::AIO;	1571	use Coro::AIO;
1271		1572
		1573	use overload
		1574	'""' => \&as_string,
		1575	fallback => 1;
		1576
1272	our $MAX_RESET = 3600;	1577	our $MAX_RESET = 3600;
1273	our $DEFAULT_RESET = 3000;	1578	our $DEFAULT_RESET = 3000;
1274		1579
1275	sub generate_random_map {	1580	sub generate_random_map {
1276	my ($path, $rmp) = @_;	1581	my ($self, $rmp) = @_;
1277
1278	# mit "rum" bekleckern, nicht	1582	# mit "rum" bekleckern, nicht
1279	cf::map::_create_random_map (	1583	$self->_create_random_map (
1280	$path,
1281	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1282	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1283	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1284	$rmp->{exit_on_final_map},	1587	$rmp->{exit_on_final_map},
1285	$rmp->{xsize}, $rmp->{ysize},	1588	$rmp->{xsize}, $rmp->{ysize},
…		…
1290	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1291	(cf::region::find $rmp->{region}), $rmp->{custom}	1594	(cf::region::find $rmp->{region}), $rmp->{custom}
1292	)	1595	)
1293	}	1596	}
1294		1597
		1598	=item cf::map->register ($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
1295	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1296	# all maps in C++...	1726	# all maps in C++...
1297	sub change_all_map_light {	1727	sub change_all_map_light {
1298	my ($change) = @_;	1728	my ($change) = @_;
1299		1729
1300	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1301	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1302	}	1732	}
1303		1733
		1734	sub decay_objects {
		1735	my ($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
1304	sub load_map_header($) {	1750	sub load_header_from($) {
1305	my ($path) = @_;	1751	my ($self, $path) = @_;
1306		1752
1307	utf8::encode $path;	1753	utf8::encode $path;
1308	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
		1755	# or return;
		1756
		1757	$self->_load_header ($path)
1309	or return;	1758	or return;
1310		1759
1311	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
1312	or return;	1803	or return;
		1804	$self->prepare_orig;
		1805	}
1313		1806
1314	# for better error messages only, will be overwritten later	1807	$self->{deny_reset} = 1
1315	$map->path ($path);	1808	if $self->no_reset;
1316		1809
1317	$map->load_header ($path)	1810	$self->default_region (cf::region::find_by_path $self->{path})
1318	or return;	1811	unless $self->default_region;
1319		1812
1320	$map->{load_path} = $path;	1813	1
1321
1322	$map
1323	}	1814	}
1324		1815
1325	sub find;	1816	sub find;
1326	sub find {	1817	sub find {
1327	my ($path, $origin) = @_;	1818	my ($path, $origin) = @_;
1328		1819
1329	#warn "find<$path,$origin>\n";#d#
1330
1331	$path = new cf::path $path, $origin && $origin->path;	1820	$path = normalise $path, $origin && $origin->path;
1332	my $key = $path->as_string;
1333		1821
1334	cf::lock_wait "map_find:$key";	1822	cf::lock_wait "map_find:$path";
1335		1823
1336	$cf::MAP{$key} || do {	1824	$cf::MAP{$path} || do {
1337	my $guard = cf::lock_acquire "map_find:$key";	1825	my $guard = cf::lock_acquire "map_find:$path";
1338		1826	my $map = new_from_path cf::map $path
1339	# do it the slow way
1340	my $map = $path->load_temp;
1341
1342	Coro::cede;
1343
1344	if ($map) {
1345	$map->last_access ((delete $map->{last_access})
1346	|| $cf::RUNTIME); #d#
1347	# safety
1348	$map->{instantiate_time} = $cf::RUNTIME
1349	if $map->{instantiate_time} > $cf::RUNTIME;
1350	} else {
1351	$map = $path->load_orig
1352	or return;	1827	or return;
1353		1828
1354	$map->{load_original} = 1;
1355	$map->{instantiate_time} = $cf::RUNTIME;
1356	$map->last_access ($cf::RUNTIME);
1357	$map->instantiate;
1358
1359	# per-player maps become, after loading, normal maps
1360	$map->per_player (0) if $path->{user_rel};
1361	}
1362
1363	$map->path ($key);
1364	$map->{path} = $path;
1365	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1366		1830
1367	Coro::cede;	1831	$map->load_header
		1832	or return;
1368		1833
1369	if ($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;
1370	$map->reset;	1837	$map->reset;
1371	undef $guard;	1838	undef $guard;
1372	$map = find $path	1839	return find $path;
1373	or return;
1374	}	1840	}
1375		1841
1376	$cf::MAP{$key} = $map	1842	$cf::MAP{$path} = $map
1377	}	1843	}
1378	}	1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
1379		1848
1380	sub load {	1849	sub load {
1381	my ($self) = @_;	1850	my ($self) = @_;
1382		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
1383	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1384	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1385		1859
1386	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1387		1861
1388	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1389		1863
1390	$self->alloc;	1864	$self->alloc;
		1865
		1866	$self->pre_load;
		1867	cf::cede_to_tick;
		1868
1391	$self->load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1392	or return;	1870	or return;
1393		1871
1394	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1395	if delete $self->{load_original};	1873	if delete $self->{load_original};
1396		1874
1397	if (my $uniq = $path->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1398	utf8::encode $uniq;	1876	utf8::encode $uniq;
1399	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1400	$self->clear_unique_items;	1878	$self->clear_unique_items;
1401	$self->load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1402	}	1880	}
1403	}	1881	}
1404		1882
1405	Coro::cede;	1883	cf::cede_to_tick;
1406
1407	# now do the right thing for maps	1884	# now do the right thing for maps
1408	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1409
1410	if ($self->{path}->is_style_map) {
1411	$self->{deny_save} = 1;
1412	$self->{deny_reset} = 1;
1413	} else {
1414	$self->decay_objects;
1415	$self->fix_auto_apply;
1416	$self->update_buttons;
1417	$self->set_darkness_map;
1418	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1419	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;
1420	$self->activate;	1897	$self->activate;
1421	}	1898	}
1422		1899
1423	Coro::cede;	1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
1424		1902
1425	$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	$self
1426	}	1919	}
1427		1920
1428	# find and load all maps in the 3x3 area around a map	1921	# find and load all maps in the 3x3 area around a map
1429	sub load_diag {	1922	sub load_neighbours {
1430	my ($map) = @_;	1923	my ($map) = @_;
1431		1924
1432	my @diag; # diagonal neighbours	1925	my @neigh; # diagonal neighbours
1433		1926
1434	for (0 .. 3) {	1927	for (0 .. 3) {
1435	my $neigh = $map->tile_path ($_)	1928	my $neigh = $map->tile_path ($_)
1436	or next;	1929	or next;
1437	$neigh = find $neigh, $map	1930	$neigh = find $neigh, $map
1438	or next;	1931	or next;
1439	$neigh->load;	1932	$neigh->load;
1440		1933
		1934	push @neigh,
1441	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1442	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1443	}	1937	}
1444		1938
1445	for (@diag) {	1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
1446	my $neigh = find @$_	1941	my $neigh = find $path, $origin
1447	or next;	1942	or next;
1448	$neigh->load;	1943	$neigh->load;
1449	}	1944	}
1450	}	1945	}
1451		1946
…		…
1456	}	1951	}
1457		1952
1458	sub do_load_sync {	1953	sub do_load_sync {
1459	my ($map) = @_;	1954	my ($map) = @_;
1460		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1461	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
1462	}	1960	}
1463		1961
1464	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
1465	our $MAP_PREFETCHER = Coro::async {	1976	$MAP_PREFETCHER ||= cf::async {
1466	while () {
1467	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1468	my $key = each %MAP_PREFETCH	1978	while (my ($k, $v) = each %MAP_PREFETCH) {
1469	or next;	1979	if (my $map = find $k) {
		1980	$map->load if $v;
		1981	}
		1982
1470	my $path = delete $MAP_PREFETCH{$key};	1983	delete $MAP_PREFETCH{$k};
1471
1472	my $map = find $path
1473	or next;
1474	$map->load;
1475	}	1984	}
1476	Coro::schedule;	1985	}
		1986	undef $MAP_PREFETCHER;
1477	}	1987	};
1478	};
1479
1480	sub find_async {
1481	my ($path, $origin) = @_;
1482
1483	$path = new cf::path $path, $origin && $origin->path;
1484	my $key = $path->as_string;
1485
1486	if (my $map = $cf::MAP{$key}) {
1487	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1488	}
1489
1490	$MAP_PREFETCH{$key} = $path;
1491	$MAP_PREFETCHER->ready;	1988	$MAP_PREFETCHER->prio (6);
1492		1989
1493	()	1990	()
1494	}	1991	}
1495		1992
1496	sub save {	1993	sub save {
1497	my ($self) = @_;	1994	my ($self) = @_;
1498		1995
1499	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1500		1997
1501	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1502		1999
1503	return unless $self->dirty;	2000	return unless $self->dirty;
1504		2001
1505	my $save = $self->{path}->save_path; utf8::encode $save;	2002	my $save = $self->save_path; utf8::encode $save;
1506	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2003	my $uniq = $self->uniq_path; utf8::encode $uniq;
1507		2004
1508	$self->{load_path} = $save;	2005	$self->{load_path} = $save;
1509		2006
1510	return if $self->{deny_save};	2007	return if $self->{deny_save};
1511		2008
…		…
1514	cf::async {	2011	cf::async {
1515	$_->contr->save for $self->players;	2012	$_->contr->save for $self->players;
1516	};	2013	};
1517		2014
1518	if ($uniq) {	2015	if ($uniq) {
1519	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1520	$self->save_objects ($uniq, cf::IO_UNIQUES);	2017	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1521	} else {	2018	} else {
1522	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2019	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1523	}	2020	}
1524	}	2021	}
1525		2022
1526	sub swap_out {	2023	sub swap_out {
1527	my ($self) = @_;	2024	my ($self) = @_;
1528		2025
1529	# save first because save cedes	2026	# save first because save cedes
1530	$self->save;	2027	$self->save;
1531		2028
1532	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1533		2030
1534	return if $self->players;	2031	return if $self->players;
1535	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1536	return if $self->{deny_save};	2033	return if $self->{deny_save};
1537		2034
…		…
1541		2038
1542	sub reset_at {	2039	sub reset_at {
1543	my ($self) = @_;	2040	my ($self) = @_;
1544		2041
1545	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1546	return 1e99 if $self->{path}{user_rel};
1547	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1548		2044
1549	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1550	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1551		2047
…		…
1556	my ($self) = @_;	2052	my ($self) = @_;
1557		2053
1558	$self->reset_at <= $cf::RUNTIME	2054	$self->reset_at <= $cf::RUNTIME
1559	}	2055	}
1560		2056
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->{path}->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	2057	sub reset {
1575	my ($self) = @_;	2058	my ($self) = @_;
1576		2059
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2061
1579	return if $self->players;	2062	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		2063
1582	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	}
1583		2075
1584	delete $cf::MAP{$self->path};	2076	delete $cf::MAP{$self->path};
1585		2077
		2078	$self->clear;
		2079
1586	$_->clear_links_to ($self) for values %cf::MAP;	2080	$_->clear_links_to ($self) for values %cf::MAP;
1587		2081
1588	$self->{path}->unlink_save;	2082	$self->unlink_save;
1589	$self->destroy;	2083	$self->destroy;
1590	}	2084	}
1591		2085
1592	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1593		2087
1594	sub nuke {	2088	sub nuke {
1595	my ($self) = @_;	2089	my ($self) = @_;
1596		2090
		2091	delete $cf::MAP{$self->path};
		2092
		2093	$self->unlink_save;
		2094
		2095	bless $self, "cf::map";
		2096	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	2097	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	2098	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	2099	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2100
		2101	$cf::MAP{$self->path} = $self;
		2102
1600	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
1601	}	2104	}
1602		2105
1603	sub customise_for {	2106	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2107
1606	if ($map->per_player) {	2108	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
1608	}	2114	[
		2115	map {
		2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
		2122	}
1609		2123
1610	$map	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	]
1611	}	2140	}
1612		2141
1613	=item cf::map::unique_maps	2142	=item cf::map::unique_maps
1614		2143
1615	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
1616	instantiated unique items. May block.	2145	instantiated unique items. May block.
1617		2146
1618	=cut	2147	=cut
1619		2148
1620	sub unique_maps() {	2149	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2150	[
1622	or return;	2151	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2152	utf8::decode $_;
1628	next if /\.pst$/;	2153	/\.map$/
1629	next unless /^$PATH_SEP/o;	2154	? normalise $_
1630		2155	: ()
1631	push @paths, new cf::path $_;	2156	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2157	]
1633
1634	\@paths
1635	}	2158	}
1636		2159
1637	package cf;	2160	package cf;
1638		2161
1639	=back	2162	=back
…		…
1685		2208
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2210
1688	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1690	} 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 {
1691	$msg = $npc->name . " says: $msg" if $npc;	2222	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2223	$self->message ($msg, $flags);
		2224	}
1693	}	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 (@_);
1694	}	2236	}
1695		2237
1696	=item $player_object->may ("access")	2238	=item $player_object->may ("access")
1697		2239
1698	Returns wether the given player is authorized to access resource "access"	2240	Returns wether the given player is authorized to access resource "access"
…		…
1711		2253
1712	=item $player_object->enter_link	2254	=item $player_object->enter_link
1713		2255
1714	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}>).
1715		2257
1716	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
1717	I<MUST> call C<leave_link> as soon as possible, though.	2259	I<MUST> call C<leave_link> as soon as possible, though.
1718		2260
		2261	Will never block.
		2262
1719	=item $player_object->leave_link ($map, $x, $y)	2263	=item $player_object->leave_link ($map, $x, $y)
1720		2264
1721	Moves the player out of the specila link map onto the given map. If the	2265	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2266	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2267	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2268	fails, to the emergency map position.
1725		2269
1726	Might block.	2270	Might block.
1727		2271
1728	=cut	2272	=cut
		2273
		2274	sub link_map {
		2275	unless ($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	$LINK_MAP
		2282	}
1729		2283
1730	sub cf::object::player::enter_link {	2284	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2285	my ($self) = @_;
1732		2286
1733	$self->deactivate_recursive;	2287	$self->deactivate_recursive;
1734		2288
1735	return if $self->map == $LINK_MAP;	2289	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2290
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2291	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2292	if $self->map && $self->map->{path} ne "{link}";
1739		2293
1740	$self->enter_map ($LINK_MAP, 20, 20);	2294	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2295	}
1742		2296
1743	sub cf::object::player::leave_link {	2297	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2298	my ($self, $map, $x, $y) = @_;
		2299
		2300	return unless $self->contr->active;
1745		2301
1746	my $link_pos = delete $self->{_link_pos};	2302	my $link_pos = delete $self->{_link_pos};
1747		2303
1748	unless ($map) {	2304	unless ($map) {
1749	# restore original map position	2305	# restore original map position
…		…
1763	# use -1 or undef as default coordinates, not 0, 0	2319	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2320	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2321	if $x <=0 && $y <= 0;
1766		2322
1767	$map->load;	2323	$map->load;
1768	$map->load_diag;	2324	$map->load_neighbours;
1769		2325
1770	return unless $self->contr->active;	2326	return unless $self->contr->active;
1771	$self->activate_recursive;	2327	$self->activate_recursive;
		2328
		2329	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2330	$self->enter_map ($map, $x, $y);
1773	}	2331	}
1774		2332
1775	cf::player->attach (	2333	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2334
1779	# abort map switching before logout	2335	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2336	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2337	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2338	the new (success) or old (failed) map position. In either case, $done will
1783	};	2339	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2340
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2341	=cut
		2342
		2343	our $GOTOGEN;
1810		2344
1811	sub cf::object::player::goto {	2345	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2346	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2347
1814	$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;
1815		2350
1816	$self->enter_link;	2351	$self->enter_link;
1817		2352
1818	(async {	2353	(async {
		2354	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	2355	my $map = cf::map::find $path;
		2356
		2357	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2358	$map = $map->customise_for ($self);
1821		2359	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2360	} else {
1823	# if $map;
1824
1825	$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	}
1826		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};
1827	$self->leave_link ($map, $x, $y);	2374	$self->leave_link ($map, $x, $y);
		2375	}
		2376
		2377	$done->() if $done;
1828	})->prio (1);	2378	})->prio (1);
1829	}	2379	}
1830		2380
1831	=item $player_object->enter_exit ($exit_object)	2381	=item $player_object->enter_exit ($exit_object)
1832		2382
…		…
1834		2384
1835	sub parse_random_map_params {	2385	sub parse_random_map_params {
1836	my ($spec) = @_;	2386	my ($spec) = @_;
1837		2387
1838	my $rmp = { # defaults	2388	my $rmp = { # defaults
1839	xsize => 10,	2389	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2390	ysize => (cf::rndm 15, 40),
		2391	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2392	#layout => string,
1841	};	2393	};
1842		2394
1843	for (split /\n/, $spec) {	2395	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2396	my ($k, $v) = split /\s+/, $_, 2;
1845		2397
…		…
1849	$rmp	2401	$rmp
1850	}	2402	}
1851		2403
1852	sub prepare_random_map {	2404	sub prepare_random_map {
1853	my ($exit) = @_;	2405	my ($exit) = @_;
		2406
		2407	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		2408
1855	# all this does is basically replace the /! path by	2409	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	2410	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	2411	# that depends on the exit object
1858		2412
1859	my $rmp = parse_random_map_params $exit->msg;	2413	my $rmp = parse_random_map_params $exit->msg;
1860		2414
1861	if ($exit->map) {	2415	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2416	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2417	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2418	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2419	$rmp->{origin_y} = $exit->y;
1866	}	2420	}
1867		2421
1868	$rmp->{random_seed} ||= $exit->random_seed;	2422	$rmp->{random_seed} ||= $exit->random_seed;
1869		2423
1870	my $data = cf::to_json $rmp;	2424	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	2425	my $md5 = Digest::MD5::md5_hex $data;
		2426	my $meta = "$RANDOMDIR/$md5.meta";
1872		2427
1873	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) {
1874	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;
1875		2432
1876	$exit->slaying ("?random/$md5");	2433	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2434	$exit->msg (undef);
1878	}	2435	}
1879	}	2436	}
…		…
1881	sub cf::object::player::enter_exit {	2438	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2439	my ($self, $exit) = @_;
1883		2440
1884	return unless $self->type == cf::PLAYER;	2441	return unless $self->type == cf::PLAYER;
1885		2442
		2443	if ($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
1886	$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);
1887		2459
1888	(async {	2460	(async {
1889	$self->deactivate_recursive; # just to be sure	2461	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	2462	unless (eval {
1891	prepare_random_map $exit	2463	$self->goto ($slaying, $hp, $sp);
1892	if $exit->slaying eq "/!";
1893
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896		2464
1897	1;	2465	1;
1898	}) {	2466	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2467	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "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. "
1901	. "Please report this to the dungeon master!",	2469	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2470	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2471
1904	warn "ERROR in enter_exit: $@";	2472	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2473	$self->leave_link;
1906	}	2474	}
1907	})->prio (1);	2475	})->prio (1);
…		…
1920		2488
1921	sub cf::client::send_drawinfo {	2489	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2490	my ($self, $text, $flags) = @_;
1923		2491
1924	utf8::encode $text;	2492	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2493	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2494	}
1927		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	}
1928		2592
1929	=item $success = $client->query ($flags, "text", \&cb)	2593	=item $success = $client->query ($flags, "text", \&cb)
1930		2594
1931	Queues a query to the client, calling the given callback with	2595	Queues a query to the client, calling the given callback with
1932	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>,
1933	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>.
1934		2598
1935	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
1936	reliable at some point in the future.	2600	become reliable at some point in the future.
1937		2601
1938	=cut	2602	=cut
1939		2603
1940	sub cf::client::query {	2604	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	2605	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	2613	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2614	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		2615
1952	$self->send_packet ($self->{query_queue}[0][0])	2616	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	2617	if @{ $self->{query_queue} } == 1;
		2618
		2619	1
1954	}	2620	}
1955		2621
1956	cf::client->attach (	2622	cf::client->attach (
		2623	on_connect => sub {
		2624	my ($ns) = @_;
		2625
		2626	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2627	},
1957	on_reply => sub {	2628	on_reply => sub {
1958	my ($ns, $msg) = @_;	2629	my ($ns, $msg) = @_;
1959		2630
1960	# this weird shuffling is so that direct followup queries	2631	# this weird shuffling is so that direct followup queries
1961	# get handled first	2632	# get handled first
1962	my $queue = delete $ns->{query_queue}	2633	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2634	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2635
1965	(shift @$queue)->[1]->($msg);	2636	(shift @$queue)->[1]->($msg);
		2637	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2638
1967	push @{ $ns->{query_queue} }, @$queue;	2639	push @{ $ns->{query_queue} }, @$queue;
1968		2640
1969	if (@{ $ns->{query_queue} } == @$queue) {	2641	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2642	if (@$queue) {
…		…
1972	} else {	2644	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2645	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	2646	}
1975	}	2647	}
1976	},	2648	},
		2649	on_exticmd => sub {
		2650	my ($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	},
1977	);	2675	);
1978		2676
1979	=item $client->async (\&cb)	2677	=item $client->async (\&cb)
1980		2678
1981	Create a new coroutine, running the specified callback. The coroutine will	2679	Create a new coroutine, running the specified callback. The coroutine will
…		…
2022	our $safe = new Safe "safe";	2720	our $safe = new Safe "safe";
2023	our $safe_hole = new Safe::Hole;	2721	our $safe_hole = new Safe::Hole;
2024		2722
2025	$SIG{FPE} = 'IGNORE';	2723	$SIG{FPE} = 'IGNORE';
2026		2724
2027	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2725	$safe->permit_only (Opcode::opset qw(
		2726	:base_core :base_mem :base_orig :base_math
		2727	grepstart grepwhile mapstart mapwhile
		2728	sort time
		2729	));
2028		2730
2029	# here we export the classes and methods available to script code	2731	# here we export the classes and methods available to script code
2030		2732
2031	=pod	2733	=pod
2032		2734
2033	The following fucntions and emthods are available within a safe environment:	2735	The following functions and methods are available within a safe environment:
2034		2736
2035	cf::object contr pay_amount pay_player map	2737	cf::object
		2738	contr pay_amount pay_player map x y force_find force_add
		2739	insert remove name archname title slaying race decrease_ob_nr
		2740
2036	cf::object::player player	2741	cf::object::player
2037	cf::player peaceful	2742	player
2038	cf::map trigger	2743
		2744	cf::player
		2745	peaceful
		2746
		2747	cf::map
		2748	trigger
2039		2749
2040	=cut	2750	=cut
2041		2751
2042	for (	2752	for (
2043	["cf::object" => qw(contr pay_amount pay_player map)],	2753	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2754	insert remove inv name archname title slaying race
		2755	decrease_ob_nr)],
2044	["cf::object::player" => qw(player)],	2756	["cf::object::player" => qw(player)],
2045	["cf::player" => qw(peaceful)],	2757	["cf::player" => qw(peaceful)],
2046	["cf::map" => qw(trigger)],	2758	["cf::map" => qw(trigger)],
2047	) {	2759	) {
2048	no strict 'refs';	2760	no strict 'refs';
…		…
2119	=back	2831	=back
2120		2832
2121	=cut	2833	=cut
2122		2834
2123	#############################################################################	2835	#############################################################################
		2836	# the server's init and main functions
2124		2837
2125	=head2 EXTENSION DATABASE SUPPORT	2838	sub load_facedata($) {
		2839	my ($path) = @_;
2126		2840
2127	Crossfire maintains a very simple database for extension use. It can	2841	# HACK to clear player env face cache, we need some signal framework
2128	currently store anything that can be serialised using Storable, which	2842	# for this (global event?)
2129	excludes objects.	2843	%ext::player_env::MUSIC_FACE_CACHE = ();
2130		2844
2131	The parameter C<$family> should best start with the name of the extension	2845	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2132	using it, it should be unique.
2133		2846
2134	=over 4	2847	warn "loading facedata from $path\n";
2135		2848
2136	=item $hashref = cf::db_get $family	2849	my $facedata;
		2850	0 < aio_load $path, $facedata
		2851	or die "$path: $!";
2137		2852
2138	Return a hashref for use by the extension C<$family>, which can be	2853	$facedata = Coro::Storable::thaw $facedata;
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141		2854
2142	=item $value = cf::db_get $family => $key	2855	$facedata->{version} == 2
		2856	or cf::cleanup "$path: version mismatch, cannot proceed.";
2143		2857
2144	Returns a single value from the database	2858	# patch in the exptable
2145		2859	$facedata->{resource}{"res/exp_table"} = {
2146	=item cf::db_put $family => $hashref	2860	type => FT_RSRC,
2147		2861	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150
2151	=item cf::db_put $family => $key => $value
2152
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163
2164	=cut
2165
2166	our $DB;
2167
2168	{
2169	my $path = cf::localdir . "/database.pst";
2170
2171	sub db_load() {
2172	$DB = stat $path ? Storable::retrieve $path : { };
2173	}
2174
2175	my $pid;
2176
2177	sub db_save() {
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	2862	};
		2863	cf::cede_to_tick;
2197		2864
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}	2865	{
		2866	my $faces = $facedata->{faceinfo};
2202		2867
2203	sub db_get($;$) {	2868	while (my ($face, $info) = each %$faces) {
2204	@_ >= 2	2869	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205	? $DB->{$_[0]}{$_[1]}	2870	cf::face::set_visibility $idx, $info->{visibility};
2206	: ($DB->{$_[0]} ||= { })	2871	cf::face::set_magicmap $idx, $info->{magicmap};
2207	}	2872	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2873	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2208		2874
2209	sub db_put($$;$) {	2875	cf::cede_to_tick;
2210	if (@_ >= 3) {
2211	$DB->{$_[0]}{$_[1]} = $_[2];
2212	} else {
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217
2218	cf::global->attach (
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	2876	}
2223	);
2224	}
2225		2877
2226	#############################################################################	2878	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	2879	next unless $info->{smooth};
		2880	my $idx = cf::face::find $face
		2881	or next;
		2882	if (my $smooth = cf::face::find $info->{smooth}) {
		2883	cf::face::set_smooth $idx, $smooth;
		2884	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2885	} else {
		2886	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2887	}
2228		2888
2229	sub cfg_load {	2889	cf::cede_to_tick;
		2890	}
		2891	}
		2892
		2893	{
		2894	my $anims = $facedata->{animinfo};
		2895
		2896	while (my ($anim, $info) = each %$anims) {
		2897	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2898	cf::cede_to_tick;
		2899	}
		2900
		2901	cf::anim::invalidate_all; # d'oh
		2902	}
		2903
		2904	{
		2905	# TODO: for gcfclient pleasure, we should give resources
		2906	# that gcfclient doesn't grok a >10000 face index.
		2907	my $res = $facedata->{resource};
		2908
		2909	my $soundconf = delete $res->{"res/sound.conf"};
		2910
		2911	while (my ($name, $info) = each %$res) {
		2912	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2913	my $data;
		2914
		2915	if ($info->{type} & 1) {
		2916	# prepend meta info
		2917
		2918	my $meta = $enc->encode ({
		2919	name => $name,
		2920	%{ $info->{meta} || {} },
		2921	});
		2922
		2923	$data = pack "(w/a*)*", $meta, $info->{data};
		2924	} else {
		2925	$data = $info->{data};
		2926	}
		2927
		2928	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2929	cf::face::set_type $idx, $info->{type};
		2930
		2931	cf::cede_to_tick;
		2932	}
		2933
		2934	if ($soundconf) {
		2935	$soundconf = $enc->decode (delete $soundconf->{data});
		2936
		2937	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2938	my $sound = $soundconf->{compat}[$_]
		2939	or next;
		2940
		2941	my $face = cf::face::find "sound/$sound->[1]";
		2942	cf::sound::set $sound->[0] => $face;
		2943	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2944	}
		2945
		2946	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2947	my $face = cf::face::find "sound/$v";
		2948	cf::sound::set $k => $face;
		2949	}
		2950	}
		2951	}
		2952
		2953	1
		2954	}
		2955
		2956	register_exticmd fx_want => sub {
		2957	my ($ns, $want) = @_;
		2958
		2959	while (my ($k, $v) = each %$want) {
		2960	$ns->fx_want ($k, $v);
		2961	}
		2962	};
		2963
		2964	sub reload_regions {
		2965	# HACK to clear player env face cache, we need some signal framework
		2966	# for this (global event?)
		2967	%ext::player_env::MUSIC_FACE_CACHE = ();
		2968
		2969	load_resource_file "$MAPDIR/regions"
		2970	or die "unable to load regions file\n";
		2971
		2972	for (cf::region::list) {
		2973	$_->{match} = qr/$_->{match}/
		2974	if exists $_->{match};
		2975	}
		2976	}
		2977
		2978	sub reload_facedata {
		2979	load_facedata "$DATADIR/facedata"
		2980	or die "unable to load facedata\n";
		2981	}
		2982
		2983	sub reload_archetypes {
		2984	load_resource_file "$DATADIR/archetypes"
		2985	or die "unable to load archetypes\n";
		2986	#d# NEED to laod twice to resolve forward references
		2987	# this really needs to be done in an extra post-pass
		2988	# (which needs to be synchronous, so solve it differently)
		2989	load_resource_file "$DATADIR/archetypes"
		2990	or die "unable to load archetypes\n";
		2991	}
		2992
		2993	sub reload_treasures {
		2994	load_resource_file "$DATADIR/treasures"
		2995	or die "unable to load treasurelists\n";
		2996	}
		2997
		2998	sub reload_resources {
		2999	warn "reloading resource files...\n";
		3000
		3001	reload_regions;
		3002	reload_facedata;
		3003	#reload_archetypes;#d#
		3004	reload_archetypes;
		3005	reload_treasures;
		3006
		3007	warn "finished reloading resource files\n";
		3008	}
		3009
		3010	sub init {
		3011	reload_resources;
		3012	}
		3013
		3014	sub reload_config {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	3015	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	3016	or return;
2232		3017
2233	local $/;	3018	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	3019	*CFG = YAML::Syck::Load <$fh>;
2235		3020
…		…
2249		3034
2250	sub main {	3035	sub main {
2251	# we must not ever block the main coroutine	3036	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	3037	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3038	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3039	(async {
2254	async { Event::one_event };	3040	Event::one_event;
		3041	})->prio (Coro::PRIO_MAX);
2255	};	3042	};
2256		3043
2257	cfg_load;	3044	reload_config;
2258	db_load;	3045	db_init;
2259	load_extensions;	3046	load_extensions;
		3047
		3048	$TICK_WATCHER->start;
2260	Event::loop;	3049	Event::loop;
2261	}	3050	}
2262		3051
2263	#############################################################################	3052	#############################################################################
2264	# initialisation and cleanup	3053	# initialisation and cleanup
2265		3054
2266	# install some emergency cleanup handlers	3055	# install some emergency cleanup handlers
2267	BEGIN {	3056	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	3057	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	3058	Event->signal (
		3059	reentrant => 0,
2270	data => WF_AUTOCANCEL,	3060	data => WF_AUTOCANCEL,
2271	signal => $signal,	3061	signal => $signal,
		3062	prio => 0,
2272	cb => sub {	3063	cb => sub {
2273	cf::cleanup "SIG$signal";	3064	cf::cleanup "SIG$signal";
2274	},	3065	},
2275	);	3066	);
2276	}	3067	}
2277	}	3068	}
2278		3069
		3070	sub write_runtime {
		3071	my $runtime = "$LOCALDIR/runtime";
		3072
		3073	# first touch the runtime file to show we are still running:
		3074	# the fsync below can take a very very long time.
		3075
		3076	IO::AIO::aio_utime $runtime, undef, undef;
		3077
		3078	my $guard = cf::lock_acquire "write_runtime";
		3079
		3080	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3081	or return;
		3082
		3083	my $value = $cf::RUNTIME + 90 + 10;
		3084	# 10 is the runtime save interval, for a monotonic clock
		3085	# 60 allows for the watchdog to kill the server.
		3086
		3087	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3088	and return;
		3089
		3090	# always fsync - this file is important
		3091	aio_fsync $fh
		3092	and return;
		3093
		3094	# touch it again to show we are up-to-date
		3095	aio_utime $fh, undef, undef;
		3096
		3097	close $fh
		3098	or return;
		3099
		3100	aio_rename "$runtime~", $runtime
		3101	and return;
		3102
		3103	warn "runtime file written.\n";
		3104
		3105	1
		3106	}
		3107
2279	sub emergency_save() {	3108	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	3109	my $freeze_guard = cf::freeze_mainloop;
2281		3110
2282	warn "enter emergency perl save\n";	3111	warn "enter emergency perl save\n";
2283		3112
2284	cf::sync_job {	3113	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	3114	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	3115	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	3116	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	3117	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	3118	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	3119	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	3120	$pl->valid or next;
2292	$pl->save;	3121	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	3127	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	3128	$map->valid or next;
2300	$map->save;	3129	$map->save;
2301	}	3130	}
2302	warn "end emergency map save\n";	3131	warn "end emergency map save\n";
		3132
		3133	warn "begin emergency database checkpoint\n";
		3134	BDB::db_env_txn_checkpoint $DB_ENV;
		3135	warn "end emergency database checkpoint\n";
2303	};	3136	};
2304		3137
2305	warn "leave emergency perl save\n";	3138	warn "leave emergency perl save\n";
2306	}	3139	}
2307		3140
		3141	sub post_cleanup {
		3142	my ($make_core) = @_;
		3143
		3144	warn Carp::longmess "post_cleanup backtrace"
		3145	if $make_core;
		3146	}
		3147
2308	sub reload() {	3148	sub do_reload_perl() {
2309	# can/must only be called in main	3149	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	3150	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	3151	warn "can only reload from main coroutine";
2312	return;	3152	return;
2313	}	3153	}
2314		3154
2315	warn "reloading...";	3155	warn "reloading...";
2316		3156
2317	warn "freezing server";	3157	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	3158
		3159	cf::sync_job {
		3160	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	3161	cf::emergency_save;
		3162	cf::write_runtime; # external watchdog should not bark
2320		3163
2321	warn "sync database to disk";	3164	warn "syncing database to disk";
2322	cf::db_sync;	3165	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		3166
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	3167	# if anything goes wrong in here, we should simply crash as we already saved
2327		3168
2328	warn "cancel all watchers";	3169	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	3170	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	3171	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	3172	}
2332		3173
		3174	warn "flushing outstanding aio requests";
		3175	for (;;) {
		3176	BDB::flush;
		3177	IO::AIO::flush;
		3178	Coro::cede;
		3179	last unless IO::AIO::nreqs || BDB::nreqs;
		3180	warn "iterate...";
		3181	}
		3182
		3183	++$RELOAD;
		3184
2333	warn "cancel all extension coros";	3185	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	3186	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	3187	%EXT_CORO = ();
2336		3188
2337	warn "remove commands";	3189	warn "removing commands";
2338	%COMMAND = ();	3190	%COMMAND = ();
2339		3191
2340	warn "remove ext commands";	3192	warn "removing ext/exti commands";
2341	%EXTCMD = ();	3193	%EXTCMD = ();
		3194	%EXTICMD = ();
2342		3195
2343	warn "unload/nuke all extensions";	3196	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	3197	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	3198	warn "... unloading $pkg";
2346		3199
2347	if (my $cb = $pkg->can ("unload")) {	3200	if (my $cb = $pkg->can ("unload")) {
2348	eval {	3201	eval {
…		…
2353		3206
2354	warn "... nuking $pkg";	3207	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	3208	Symbol::delete_package $pkg;
2356	}	3209	}
2357		3210
2358	warn "unload all perl modules loaded from $LIBDIR";	3211	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	3212	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3213	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		3214
2362	warn "removing <$k>";	3215	warn "... unloading $k";
2363	delete $INC{$k};	3216	delete $INC{$k};
2364		3217
2365	$k =~ s/\.pm$//;	3218	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	3219	$k =~ s/\//::/g;
2367		3220
…		…
2370	}	3223	}
2371		3224
2372	Symbol::delete_package $k;	3225	Symbol::delete_package $k;
2373	}	3226	}
2374		3227
2375	warn "get rid of safe::, as good as possible";	3228	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	3229	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3230	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		3231
2379	warn "unload cf.pm \"a bit\"";	3232	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	3233	delete $INC{"cf.pm"};
		3234	delete $INC{"cf/pod.pm"};
2381		3235
2382	# don't, removes xs symbols, too,	3236	# don't, removes xs symbols, too,
2383	# and global variables created in xs	3237	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	3238	#Symbol::delete_package __PACKAGE__;
2385		3239
		3240	warn "unload completed, starting to reload now";
		3241
2386	warn "reloading cf.pm";	3242	warn "reloading cf.pm";
2387	require cf;	3243	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3244	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		3245
2390	warn "load config and database again";	3246	warn "loading config and database again";
2391	cf::cfg_load;	3247	cf::reload_config;
2392	cf::db_load;
2393		3248
2394	warn "load extensions";	3249	warn "loading extensions";
2395	cf::load_extensions;	3250	cf::load_extensions;
2396		3251
2397	warn "reattach attachments to objects/players";	3252	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3253	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	3254	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3255	reattach $_ for values %MAP;
2401	};	3256	warn "reattaching attachments to players";
		3257	reattach $_ for values %PLAYER;
2402		3258
2403	if ($@) {	3259	warn "leaving sync_job";
		3260
		3261	1
		3262	} or do {
2404	warn $@;	3263	warn $@;
2405	warn "error while reloading, exiting.";	3264	warn "error while reloading, exiting.";
2406	exit 1;	3265	exit 1;
2407	}	3266	};
2408		3267
2409	warn "reloaded";	3268	warn "reloaded";
2410	};	3269	};
2411		3270
2412	#############################################################################	3271	our $RELOAD_WATCHER; # used only during reload
2413		3272
2414	unless ($LINK_MAP) {	3273	sub reload_perl() {
2415	$LINK_MAP = cf::map::new;	3274	# doing reload synchronously and two reloads happen back-to-back,
		3275	# coro crashes during coro_state_free->destroy here.
2416		3276
2417	$LINK_MAP->width (41);	3277	$RELOAD_WATCHER ||= Event->timer (
2418	$LINK_MAP->height (41);	3278	reentrant => 0,
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,	3279	after => 0,
		3280	data => WF_AUTOCANCEL,
2427	cb => sub {	3281	cb => sub {
2428	$_[0]->w->cancel;	3282	do_reload_perl;
2429		3283	undef $RELOAD_WATCHER;
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});	3284	},
2448		3285	);
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	3286	}
2454		3287
2455	register_command "reload" => sub {	3288	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3289	my ($who, $arg) = @_;
2457		3290
2458	if ($who->flag (FLAG_WIZ)) {	3291	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	3292	$who->message ("reloading server.");
		3293	async { reload_perl };
2462	}	3294	}
2463	};	3295	};
2464		3296
2465	unshift @INC, $LIBDIR;	3297	unshift @INC, $LIBDIR;
2466		3298
		3299	my $bug_warning = 0;
		3300
		3301	our @WAIT_FOR_TICK;
		3302	our @WAIT_FOR_TICK_BEGIN;
		3303
		3304	sub wait_for_tick {
		3305	return unless $TICK_WATCHER->is_active;
		3306	return if $Coro::current == $Coro::main;
		3307
		3308	my $signal = new Coro::Signal;
		3309	push @WAIT_FOR_TICK, $signal;
		3310	$signal->wait;
		3311	}
		3312
		3313	sub wait_for_tick_begin {
		3314	return unless $TICK_WATCHER->is_active;
		3315	return if $Coro::current == $Coro::main;
		3316
		3317	my $signal = new Coro::Signal;
		3318	push @WAIT_FOR_TICK_BEGIN, $signal;
		3319	$signal->wait;
		3320	}
		3321
		3322	my $min = 1e6;#d#
		3323	my $avg = 10;
2467	$TICK_WATCHER = Event->timer (	3324	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	3325	reentrant => 0,
		3326	parked => 1,
2469	prio => 0,	3327	prio => 0,
2470	at => $NEXT_TICK || $TICK,	3328	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	3329	data => WF_AUTOCANCEL,
2472	cb => sub {	3330	cb => sub {
		3331	if ($Coro::current != $Coro::main) {
		3332	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3333	unless ++$bug_warning > 10;
		3334	return;
		3335	}
		3336
2473	$NOW = Event::time;	3337	$NOW = $tick_start = Event::time;
2474		3338
2475	cf::server_tick; # one server iteration	3339	cf::server_tick; # one server iteration
		3340
		3341	0 && sync_job {#d#
		3342	for(1..10) {
		3343	my $t = Event::time;
		3344	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3345	or die;
		3346
		3347	$map->width (50);
		3348	$map->height (50);
		3349	$map->alloc;
		3350	$map->_load_objects ("/tmp/x.map", 1);
		3351	my $t = Event::time - $t;
		3352
		3353	#next unless $t < 0.0013;#d#
		3354	if ($t < $min) {
		3355	$min = $t;
		3356	}
		3357	$avg = $avg * 0.99 + $t * 0.01;
		3358	}
		3359	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3360	exit 0;
		3361	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3362	};
		3363
2476	$RUNTIME += $TICK;	3364	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	3365	$NEXT_TICK += $TICK;
2478		3366
2479	$WAIT_FOR_TICK->broadcast;	3367	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3368	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3369	Coro::async_pool {
		3370	write_runtime
		3371	or warn "ERROR: unable to write runtime file: $!";
		3372	};
		3373	}
		3374
		3375	# my $AFTER = Event::time;
		3376	# warn $AFTER - $NOW;#d#
		3377
		3378	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3379	$sig->send;
		3380	}
		3381	while (my $sig = shift @WAIT_FOR_TICK) {
		3382	$sig->send;
		3383	}
		3384
		3385	$NOW = Event::time;
2481		3386
2482	# if we are delayed by four ticks or more, skip them all	3387	# if we are delayed by four ticks or more, skip them all
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3388	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2484		3389
2485	$TICK_WATCHER->at ($NEXT_TICK);	3390	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;	3391	$TICK_WATCHER->start;
		3392
		3393	$LOAD = ($NOW - $tick_start) / $TICK;
		3394	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3395
		3396	_post_tick;
		3397
		3398
2487	},	3399	},
2488	);	3400	);
2489		3401
		3402	{
2490	IO::AIO::max_poll_time $TICK * 0.2;	3403	BDB::max_poll_time $TICK * 0.1;
2491		3404	$BDB_POLL_WATCHER = Event->io (
2492	Event->io (	3405	reentrant => 0,
2493	fd => IO::AIO::poll_fileno,	3406	fd => BDB::poll_fileno,
2494	poll => 'r',	3407	poll => 'r',
2495	prio => 5,	3408	prio => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,	3409	data => WF_AUTOCANCEL,
2502	after => 0,	3410	cb => \&BDB::poll_cb,
2503	interval => 10,	3411	);
2504	cb => sub {	3412	BDB::min_parallel 8;
2505	(Coro::unblock_sub {	3413
2506	write_runtime	3414	BDB::set_sync_prepare {
2507	or warn "ERROR: unable to write runtime file: $!";	3415	my $status;
		3416	my $current = $Coro::current;
		3417	(
		3418	sub {
		3419	$status = $!;
		3420	$current->ready; undef $current;
		3421	},
		3422	sub {
		3423	Coro::schedule while defined $current;
		3424	$! = $status;
		3425	},
		3426	)
		3427	};
		3428
		3429	unless ($DB_ENV) {
		3430	$DB_ENV = BDB::db_env_create;
		3431
		3432	cf::sync_job {
		3433	eval {
		3434	BDB::db_env_open
		3435	$DB_ENV,
		3436	$BDBDIR,
		3437	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3438	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3439	0666;
		3440
		3441	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3442
		3443	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3444	$DB_ENV->set_lk_detect;
		3445	};
		3446
		3447	cf::cleanup "db_env_open(db): $@" if $@;
2508	})->();	3448	};
2509	},	3449	}
2510	);	3450	}
		3451
		3452	{
		3453	IO::AIO::min_parallel 8;
		3454
		3455	undef $Coro::AIO::WATCHER;
		3456	IO::AIO::max_poll_time $TICK * 0.1;
		3457	$AIO_POLL_WATCHER = Event->io (
		3458	reentrant => 0,
		3459	data => WF_AUTOCANCEL,
		3460	fd => IO::AIO::poll_fileno,
		3461	poll => 'r',
		3462	prio => 6,
		3463	cb => \&IO::AIO::poll_cb,
		3464	);
		3465	}
		3466
		3467	my $_log_backtrace;
		3468
		3469	sub _log_backtrace {
		3470	my ($msg, @addr) = @_;
		3471
		3472	$msg =~ s/\n//;
		3473
		3474	# limit the # of concurrent backtraces
		3475	if ($_log_backtrace < 2) {
		3476	++$_log_backtrace;
		3477	async {
		3478	my @bt = fork_call {
		3479	@addr = map { sprintf "%x", $_ } @addr;
		3480	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3481	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3482	or die "addr2line: $!";
		3483
		3484	my @funcs;
		3485	my @res = <$fh>;
		3486	chomp for @res;
		3487	while (@res) {
		3488	my ($func, $line) = splice @res, 0, 2, ();
		3489	push @funcs, "[$func] $line";
		3490	}
		3491
		3492	@funcs
		3493	};
		3494
		3495	LOG llevInfo, "[ABT] $msg\n";
		3496	LOG llevInfo, "[ABT] $_\n" for @bt;
		3497	--$_log_backtrace;
		3498	};
		3499	} else {
		3500	LOG llevInfo, "[ABT] $msg\n";
		3501	LOG llevInfo, "[ABT] [suppressed]\n";
		3502	}
		3503	}
		3504
		3505	# load additional modules
		3506	use cf::pod;
2511		3507
2512	END { cf::emergency_save }	3508	END { cf::emergency_save }
2513		3509
2514	1	3510	1
2515		3511

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