ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.346 by root, Tue Aug 28 19:38:40 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
		59	our %EXT_MAP = (); # pluggable maps
42		60
		61	our $RELOAD; # number of reloads so far
43	our @EVENT;	62	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		63
46	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(!)
47	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	80	our $NEXT_TICK;
49	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;
50		86
51	our %CFG;	87	our %CFG;
52		88
53	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	90	our $RUNTIME;
55		91
56	our %PLAYER; # all users	92	our %PLAYER; # all users
57	our %MAP; # all maps	93	our %MAP; # all maps
58	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		95
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
62	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 $tick_start; # for load detecting purposes
63		102
64	binmode STDOUT;	103	binmode STDOUT;
65	binmode STDERR;	104	binmode STDERR;
66		105
67	# read virtual server time, if available	106	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
72	}	111	}
73		112
74	mkdir cf::localdir;	113	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		115
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
83		119
84	#############################################################################	120	#############################################################################
85		121
86	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
87		123
…		…
94	=item $cf::RUNTIME	130	=item $cf::RUNTIME
95		131
96	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
97	every server tick.	133	every server tick.
98		134
99	=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
100		138
101	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
102	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.
103		143
104	=item $cf::NOW	144	=item $cf::NOW
105		145
106	The time of the last (current) server tick.	146	The time of the last (current) server tick.
107		147
108	=item $cf::TICK	148	=item $cf::TICK
109		149
110	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.
111		161
112	=item %cf::CFG	162	=item %cf::CFG
113		163
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
115	from wherever your confdir points to.	165	from wherever your confdir points to.
116		166
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		168
119	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
120	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
121	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.
122	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.
123		178
124	=back	179	=back
125		180
126	=cut	181	=cut
127		182
128	BEGIN {	183	BEGIN {
129	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	185	my $msg = join "", @_;
131	utf8::encode $msg;
132		186
133	$msg .= "\n"	187	$msg .= "\n"
134	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
135		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
136	LOG llevError, $msg;	193	LOG llevError, $msg;
137	};	194	};
138	}	195	}
139		196
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@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';
145	@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)
146		204
147	# 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
148	# within the Safe compartment.	206	# within the Safe compartment.
149	for my $pkg (qw(	207	for my $pkg (qw(
150	cf::global cf::attachable	208	cf::global cf::attachable
…		…
158	}	216	}
159		217
160	$Event::DIED = sub {	218	$Event::DIED = sub {
161	warn "error in event callback: @_";	219	warn "error in event callback: @_";
162	};	220	};
		221
		222	#############################################################################
163		223
164	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
165		225
166	=over 4	226	=over 4
167		227
…		…
186	$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;
187	$d	247	$d
188	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
189	}	249	}
190		250
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
194		252
195	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
196		254
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
205		256
206	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
207		258
208	=cut	259	=cut
209		260
210	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
212	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
213	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
214		265
215	=item cf::lock_wait $string	266	=item cf::lock_wait $string
216		267
217	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
218		269
…		…
224	returned.	275	returned.
225		276
226	Lock names should begin with a unique identifier (for example, cf::map::find	277	Lock names should begin with a unique identifier (for example, cf::map::find
227	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
228		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
229	=cut	284	=cut
230		285
231	our %LOCK;	286	our %LOCK;
232		287
233	sub lock_wait($) {	288	sub lock_wait($) {
…		…
252	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
254	}	309	}
255	}	310	}
256		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
257	sub freeze_mainloop {	318	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
259		320
260	my $guard = Coro::guard { $TICK_WATCHER->start };	321	my $guard = Coro::guard {
		322	$TICK_WATCHER->start;
		323	};
261	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
262	$guard	325	$guard
		326	}
		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
263	}	382	}
264		383
265	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
266		385
267	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
272		391
273	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
274		393
275	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
276		395
277	The design of crossfire+ requires that the main coro ($Coro::main) is	396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	397	is always able to handle events or runnable, as Crossfire TRT is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
280		400
281	If it must be done, put the blocking parts into C<sync_job>. This will run	401	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	402	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	403	server will be frozen during this time, so the block should either finish
284	fast or be very important.	404	fast or be very important.
…		…
287		407
288	sub sync_job(&) {	408	sub sync_job(&) {
289	my ($job) = @_;	409	my ($job) = @_;
290		410
291	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
292	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
294		416
295	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
296	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
307		429
308	while ($busy) {	430	while ($busy) {
309	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
310	}	432	}
311		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
		440
312	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
313	} else {	442	} else {
314	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
315		444
316	$job->()	445	$job->()
…		…
335	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
336		465
337	$coro	466	$coro
338	}	467	}
339		468
340	sub write_runtime {	469	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		470
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
344	or return;	472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
345		475
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	476	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		477
350	aio_fsync $fh	478	sub fork_call(&@) {
351	and return;	479	my ($cb, @args) = @_;
352		480
353	close $fh	481	# we seemingly have to make a local copy of the whole thing,
354	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
355		484
356	aio_rename "$runtime~", $runtime	485	my @res = Coro::Util::fork_eval {
357	and return;	486	reset_signals;
		487	&$cb
		488	}, @args;
358		489
		490	wantarray ? @res : $res[-1]
		491	}
		492
		493	=item $value = cf::db_get $family => $key
		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
359	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	cf::cede_to_tick;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	618	}
361		619
362	=back	620	=back
363		621
364	=cut	622	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		623
493	#############################################################################	624	#############################################################################
494		625
495	=head2 ATTACHABLE OBJECTS	626	=head2 ATTACHABLE OBJECTS
496		627
…		…
498	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
499	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
500		631
501	In the following description, CLASS can be any of C<global>, C<object>	632	In the following description, CLASS can be any of C<global>, C<object>
502	C<player>, C<client> or C<map> (i.e. the attachable objects in	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
503	crossfire+).	634	Crossfire TRT).
504		635
505	=over 4	636	=over 4
506		637
507	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
508		639
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	754	our @CB_MAP = ();
624		755
625	my %attachment;	756	my %attachment;
626		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
627	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
629		766
630	use sort 'stable';	767	use sort 'stable';
631		768
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
666		803
667	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		808
672	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	810	my $pkg = shift @arg;
674		811
675	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
705	}	842	}
706		843
707	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
708	} else {	845	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	847	}
711		848
712	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
713	}	850	}
714		851
…		…
716	if (ref $_[0]) {	853	if (ref $_[0]) {
717	_object_attach @_;	854	_object_attach @_;
718	} else {	855	} else {
719	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
720	}	857	}
		858	_recalc_want;
721	};	859	};
722		860
723	# all those should be optimised	861	# all those should be optimised
724	sub cf::attachable::detach {	862	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
729	reattach ($obj);	867	reattach ($obj);
730	} else {	868	} else {
731	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
732	}	870	}
		871	_recalc_want;
733	};	872	};
734		873
735	sub cf::attachable::attached {	874	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
737		876
…		…
752	";	891	";
753	die if $@;	892	die if $@;
754	}	893	}
755		894
756	our $override;	895	our $override;
757	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
758		897
759	sub override {	898	sub override {
760	$override = 1;	899	$override = 1;
761	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
762	}	901	}
763		902
764	sub do_invoke {	903	sub do_invoke {
765	my $event = shift;	904	my $event = shift;
766	my $callbacks = shift;	905	my $callbacks = shift;
767		906
768	@invoke_results = ();	907	@INVOKE_RESULTS = ();
769		908
770	local $override;	909	local $override;
771		910
772	for (@$callbacks) {	911	for (@$callbacks) {
773	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
790		929
791	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
792		931
793	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
794	removed in future versions), and there is no public API to access override	933	removed in future versions), and there is no public API to access override
795	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		935
797	=back	936	=back
798		937
799	=cut	938	=cut
800		939
801	#############################################################################	940	#############################################################################
802	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
803		953
804	sub reattach {	954	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	956	my ($obj) = @_;
		957
		958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		959
808	my $registry = $obj->registry;	960	my $registry = $obj->registry;
809		961
810	@$registry = ();	962	@$registry = ();
811		963
…		…
858	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
859		1011
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	1016	close $fh;
865		1017
866	if (@$objs) {	1018	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	1024	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
874	}	1026	}
875	} else {	1027	} else {
876	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
908	or return;	1060	or return;
909	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
910	}	1062	}
911		1063
912	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
914	return ($data, $av);	1066	return ($data, $av);
915	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
916		1074
917	#############################################################################	1075	#############################################################################
918	# command handling &c	1076	# command handling &c
919		1077
920	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1092	}
935		1093
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1095
938	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
939		1101
940	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
941	called.	1103	called.
942		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
943	=cut	1116	=cut
944		1117
945	sub register_extcmd {	1118	sub register_extcmd {
946	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
947		1120
948	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
949	}	1128	}
950		1129
951	cf::player->attach (	1130	cf::player->attach (
952	on_command => sub {	1131	on_command => sub {
953	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1141	cf::override;
963	},	1142	},
964	on_extcmd => sub {	1143	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
966		1145
967	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1147
969	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
		1154	my @reply;
		1155
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
975	} else {	1163	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1165	}
978		1166
979	cf::override;	1167	cf::override;
980	},	1168	},
981	);	1169	);
982		1170
983	sub load_extension {
984	my ($path) = @_;
985
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;
988	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";
991
992	warn "loading '$path' into '$pkg'\n";
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}
1009
1010	sub load_extensions {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
1011	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1176	next unless -r $path;
1013	eval {	1177
1014	load_extension $ext;	1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
1015	1	1235	}
1016	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
1017	}	1241	};
1018	}	1242	}
1019		1243
1020	#############################################################################	1244	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1245
1023	*cf::mapsupport::on_clean = sub {	1246	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1247
1036	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
1037		1249
1038	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
1039		1251
…		…
1052	Returns the given player object, loading it if necessary (might block).	1264	Returns the given player object, loading it if necessary (might block).
1053		1265
1054	=cut	1266	=cut
1055		1267
1056	sub playerdir($) {	1268	sub playerdir($) {
1057	cf::localdir	1269	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1271	}
1063		1272
1064	sub path($) {	1273	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1275
1067	(playerdir $login) . "/$login.pl"	1276	(playerdir $login) . "/playerdata"
1068	}	1277	}
1069		1278
1070	sub find_active($) {	1279	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1280	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1281	and $cf::PLAYER{$_[0]}->active
…		…
1075		1284
1076	sub exists($) {	1285	sub exists($) {
1077	my ($login) = @_;	1286	my ($login) = @_;
1078		1287
1079	$cf::PLAYER{$login}	1288	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1289	or cf::sync_job { !aio_stat path $login }
1081	}	1290	}
1082		1291
1083	sub find($) {	1292	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1293	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1294	my $login = $_[0];
1086		1295
1087	my $guard = cf::lock_acquire "user_find:$login";	1296	my $guard = cf::lock_acquire "user_find:$login";
1088		1297
1089	$cf::PLAYER{$_[0]} || do {	1298	$cf::PLAYER{$_[0]} || do {
		1299	# rename old playerfiles to new ones
		1300	#TODO: remove when no longer required
		1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1304	aio_unlink +(playerdir $login) . "/$login.pl";
		1305
1090	my $pl = load_pl path $login	1306	my $pl = load_pl path $login
1091	or return;	1307	or return;
1092	$cf::PLAYER{$login} = $pl	1308	$cf::PLAYER{$login} = $pl
1093	}	1309	}
1094	}	1310	}
…		…
1106		1322
1107	aio_mkdir playerdir $pl, 0770;	1323	aio_mkdir playerdir $pl, 0770;
1108	$pl->{last_save} = $cf::RUNTIME;	1324	$pl->{last_save} = $cf::RUNTIME;
1109		1325
1110	$pl->save_pl ($path);	1326	$pl->save_pl ($path);
1111	Coro::cede;	1327	cf::cede_to_tick;
1112	}	1328	}
1113		1329
1114	sub new($) {	1330	sub new($) {
1115	my ($login) = @_;	1331	my ($login) = @_;
1116		1332
…		…
1122	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1123		1339
1124	$self	1340	$self
1125	}	1341	}
1126		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
		1351	}
		1352
1127	=item $pl->quit_character	1353	=item $pl->quit_character
1128		1354
1129	Nukes the player without looking back. If logged in, the connection will	1355	Nukes the player without looking back. If logged in, the connection will
1130	be destroyed. May block for a long time.	1356	be destroyed. May block for a long time.
1131		1357
1132	=cut	1358	=cut
1133		1359
1134	sub quit_character {	1360	sub quit_character {
1135	my ($pl) = @_;	1361	my ($pl) = @_;
		1362
		1363	my $name = $pl->ob->name;
1136		1364
1137	$pl->{deny_save} = 1;	1365	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1366	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1367
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1373	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1374	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1375	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1376	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1377	$pl->destroy;
		1378
		1379	my $prefix = qr<^~\Q$name\E/>;
		1380
		1381	# nuke player maps
		1382	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1383
1150	IO::AIO::aio_rmtree $temp;	1384	IO::AIO::aio_rmtree $temp;
		1385	}
		1386
		1387	=item $pl->kick
		1388
		1389	Kicks a player out of the game. This destroys the connection.
		1390
		1391	=cut
		1392
		1393	sub kick {
		1394	my ($pl, $kicker) = @_;
		1395
		1396	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1397	$pl->killer ("kicked");
		1398	$pl->ns->destroy;
1151	}	1399	}
1152		1400
1153	=item cf::player::list_logins	1401	=item cf::player::list_logins
1154		1402
1155	Returns am arrayref of all valid playernames in the system, can take a	1403	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1157		1405
1158	=cut	1406	=cut
1159		1407
1160	sub list_logins {	1408	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1410	or return [];
1163		1411
1164	my @logins;	1412	my @logins;
1165		1413
1166	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
…		…
1175	\@logins	1423	\@logins
1176	}	1424	}
1177		1425
1178	=item $player->maps	1426	=item $player->maps
1179		1427
1180	Returns an arrayref of cf::path's of all maps that are private for this	1428	Returns an arrayref of map paths that are private for this
1181	player. May block.	1429	player. May block.
1182		1430
1183	=cut	1431	=cut
1184		1432
1185	sub maps($) {	1433	sub maps($) {
1186	my ($pl) = @_;	1434	my ($pl) = @_;
		1435
		1436	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1437
1188	my $files = aio_readdir playerdir $pl	1438	my $files = aio_readdir playerdir $pl
1189	or return;	1439	or return;
1190		1440
1191	my @paths;	1441	my @paths;
…		…
1193	for (@$files) {	1443	for (@$files) {
1194	utf8::decode $_;	1444	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1445	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1446	next unless /^$PATH_SEP/o;
1197		1447
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1448	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1449	}
1200		1450
1201	\@paths	1451	\@paths
1202	}	1452	}
1203		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1205		1505
1206	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1207		1507
1208	=cut	1508	=cut
1209		1509
1210	sub ext_reply($$$%) {	1510	sub ext_reply($$@) {
1211	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1212		1512
1213	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1214
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1514	}
1217		1515
1218	package cf;	1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		1523	my ($self, $type, @msg) = @_;
		1524
		1525	$self->ns->ext_msg ($type, @msg);
		1526	}
		1527
		1528	=head3 cf::region
		1529
		1530	=over 4
		1531
		1532	=cut
		1533
		1534	package cf::region;
		1535
		1536	=item cf::region::find_by_path $path
		1537
		1538	Tries to decuce the likely region for a map knowing only its path.
		1539
		1540	=cut
		1541
		1542	sub find_by_path($) {
		1543	my ($path) = @_;
		1544
		1545	my ($match, $specificity);
		1546
		1547	for my $region (list) {
		1548	if ($region->{match} && $path =~ $region->{match}) {
		1549	($match, $specificity) = ($region, $region->specificity)
		1550	if $region->specificity > $specificity;
		1551	}
		1552	}
		1553
		1554	$match
		1555	}
1219		1556
1220	=back	1557	=back
1221
1222		1558
1223	=head3 cf::map	1559	=head3 cf::map
1224		1560
1225	=over 4	1561	=over 4
1226		1562
…		…
1229	package cf::map;	1565	package cf::map;
1230		1566
1231	use Fcntl;	1567	use Fcntl;
1232	use Coro::AIO;	1568	use Coro::AIO;
1233		1569
		1570	use overload
		1571	'""' => \&as_string,
		1572	fallback => 1;
		1573
1234	our $MAX_RESET = 3600;	1574	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1575	our $DEFAULT_RESET = 3000;
1236		1576
1237	sub generate_random_map {	1577	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1578	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1579	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1580	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1584	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1585	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1586	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1587	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1588	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1589	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1591	(cf::region::find $rmp->{region}), $rmp->{custom}
		1592	)
		1593	}
		1594
		1595	=item cf::map->register ($regex, $prio)
		1596
		1597	Register a handler for the map path matching the given regex at the
		1598	givne priority (higher is better, built-in handlers have priority 0, the
		1599	default).
		1600
		1601	=cut
		1602
		1603	sub register {
		1604	my (undef, $regex, $prio) = @_;
		1605	my $pkg = caller;
		1606
		1607	no strict;
		1608	push @{"$pkg\::ISA"}, __PACKAGE__;
		1609
		1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1611	}
		1612
		1613	# also paths starting with '/'
		1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1615
		1616	sub thawer_merge {
		1617	my ($self, $merge) = @_;
		1618
		1619	# we have to keep some variables in memory intact
		1620	local $self->{path};
		1621	local $self->{load_path};
		1622
		1623	$self->SUPER::thawer_merge ($merge);
		1624	}
		1625
		1626	sub normalise {
		1627	my ($path, $base) = @_;
		1628
		1629	$path = "$path"; # make sure its a string
		1630
		1631	$path =~ s/\.map$//;
		1632
		1633	# map plan:
		1634	#
		1635	# /! non-realised random map exit (special hack!)
		1636	# {... are special paths that are not being touched
		1637	# ?xxx/... are special absolute paths
		1638	# ?random/... random maps
		1639	# /... normal maps
		1640	# ~user/... per-player map of a specific user
		1641
		1642	$path =~ s/$PATH_SEP/\//go;
		1643
		1644	# treat it as relative path if it starts with
		1645	# something that looks reasonable
		1646	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1647	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1648
		1649	$base =~ s{[^/]+/?$}{};
		1650	$path = "$base/$path";
		1651	}
		1652
		1653	for ($path) {
		1654	redo if s{//}{/};
		1655	redo if s{/\.?/}{/};
		1656	redo if s{/[^/]+/\.\./}{/};
		1657	}
		1658
		1659	$path
		1660	}
		1661
		1662	sub new_from_path {
		1663	my (undef, $path, $base) = @_;
		1664
		1665	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1666
		1667	$path = normalise $path, $base;
		1668
		1669	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1670	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1671	my $self = bless cf::map::new, $pkg;
		1672	$self->{path} = $path; $self->path ($path);
		1673	$self->init; # pass $1 etc.
		1674	return $self;
		1675	}
		1676	}
		1677
		1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1679	()
		1680	}
		1681
		1682	sub init {
		1683	my ($self) = @_;
		1684
		1685	$self
		1686	}
		1687
		1688	sub as_string {
		1689	my ($self) = @_;
		1690
		1691	"$self->{path}"
		1692	}
		1693
		1694	# the displayed name, this is a one way mapping
		1695	sub visible_name {
		1696	&as_string
		1697	}
		1698
		1699	# the original (read-only) location
		1700	sub load_path {
		1701	my ($self) = @_;
		1702
		1703	"$MAPDIR/$self->{path}.map"
		1704	}
		1705
		1706	# the temporary/swap location
		1707	sub save_path {
		1708	my ($self) = @_;
		1709
		1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1711	"$TMPDIR/$path.map"
		1712	}
		1713
		1714	# the unique path, undef == no special unique path
		1715	sub uniq_path {
		1716	my ($self) = @_;
		1717
		1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1719	"$UNIQUEDIR/$path"
1254	}	1720	}
1255		1721
1256	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1257	# all maps in C++...	1723	# all maps in C++...
1258	sub change_all_map_light {	1724	sub change_all_map_light {
…		…
1260		1726
1261	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
1263	}	1729	}
1264		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
		1737	}
		1738
		1739	sub unlink_save {
		1740	my ($self) = @_;
		1741
		1742	utf8::encode (my $save = $self->save_path);
		1743	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1744	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1745	}
		1746
1265	sub try_load_header($) {	1747	sub load_header_from($) {
1266	my ($path) = @_;	1748	my ($self, $path) = @_;
1267		1749
1268	utf8::encode $path;	1750	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1751	#aio_open $path, O_RDONLY, 0
		1752	# or return;
		1753
		1754	$self->_load_header ($path)
1270	or return;	1755	or return;
1271		1756
1272	my $map = cf::map::new	1757	$self->{load_path} = $path;
		1758
		1759	1
		1760	}
		1761
		1762	sub load_header_orig {
		1763	my ($self) = @_;
		1764
		1765	$self->load_header_from ($self->load_path)
		1766	}
		1767
		1768	sub load_header_temp {
		1769	my ($self) = @_;
		1770
		1771	$self->load_header_from ($self->save_path)
		1772	}
		1773
		1774	sub prepare_temp {
		1775	my ($self) = @_;
		1776
		1777	$self->last_access ((delete $self->{last_access})
		1778	|| $cf::RUNTIME); #d#
		1779	# safety
		1780	$self->{instantiate_time} = $cf::RUNTIME
		1781	if $self->{instantiate_time} > $cf::RUNTIME;
		1782	}
		1783
		1784	sub prepare_orig {
		1785	my ($self) = @_;
		1786
		1787	$self->{load_original} = 1;
		1788	$self->{instantiate_time} = $cf::RUNTIME;
		1789	$self->last_access ($cf::RUNTIME);
		1790	$self->instantiate;
		1791	}
		1792
		1793	sub load_header {
		1794	my ($self) = @_;
		1795
		1796	if ($self->load_header_temp) {
		1797	$self->prepare_temp;
		1798	} else {
		1799	$self->load_header_orig
1273	or return;	1800	or return;
		1801	$self->prepare_orig;
		1802	}
1274		1803
1275	# for better error messages only, will be overwritten	1804	$self->{deny_reset} = 1
1276	$map->path ($path);	1805	if $self->no_reset;
1277		1806
1278	$map->load_header ($path)	1807	$self->default_region (cf::region::find_by_path $self->{path})
1279	or return;	1808	unless $self->default_region;
1280		1809
1281	$map->{load_path} = $path;	1810	1
1282
1283	$map
1284	}	1811	}
1285		1812
1286	sub find;	1813	sub find;
1287	sub find {	1814	sub find {
1288	my ($path, $origin) = @_;	1815	my ($path, $origin) = @_;
1289		1816
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1817	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1818
1295	cf::lock_wait "map_find:$key";	1819	cf::lock_wait "map_find:$path";
1296		1820
1297	$cf::MAP{$key} || do {	1821	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1822	my $guard = cf::lock_acquire "map_find:$path";
1299		1823	my $map = new_from_path cf::map $path
1300	# do it the slow way
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1824	or return;
1319		1825
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1332		1827
1333	Coro::cede;	1828	$map->load_header
		1829	or return;
1334		1830
1335	if ($map->should_reset) {	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1832	# doing this can freeze the server in a sync job, obviously
		1833	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1834	$map->reset;
1337	undef $guard;	1835	undef $guard;
1338	$map = find $path	1836	return find $path;
1339	or return;
1340	}	1837	}
1341		1838
1342	$cf::MAP{$key} = $map	1839	$cf::MAP{$path} = $map
1343	}	1840	}
1344	}	1841	}
		1842
		1843	sub pre_load { }
		1844	sub post_load { }
1345		1845
1346	sub load {	1846	sub load {
1347	my ($self) = @_;	1847	my ($self) = @_;
1348		1848
		1849	local $self->{deny_reset} = 1; # loading can take a long time
		1850
1349	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
		1854	my $guard1 = cf::lock_acquire "map_data:$path";
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1855	my $guard2 = cf::lock_acquire "map_load:$path";
1351		1856
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1857	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1858
1354	$self->in_memory (cf::MAP_LOADING);	1859	$self->in_memory (cf::MAP_LOADING);
1355		1860
1356	$self->alloc;	1861	$self->alloc;
		1862
		1863	$self->pre_load;
		1864	cf::cede_to_tick;
		1865
1357	$self->load_objects ($self->{load_path}, 1)	1866	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1867	or return;
1359		1868
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1869	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1870	if delete $self->{load_original};
1362		1871
1363	if (my $uniq = $path->uniq_path) {	1872	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1873	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1874	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1875	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1876	$self->_load_objects ($uniq, 0);
1368	}	1877	}
1369	}	1878	}
1370		1879
1371	Coro::cede;	1880	cf::cede_to_tick;
1372
1373	# now do the right thing for maps	1881	# now do the right thing for maps
1374	$self->link_multipart_objects;	1882	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1883	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1884	unless $self->difficulty;
		1885	cf::cede_to_tick;
		1886
		1887	unless ($self->{deny_activate}) {
		1888	$self->decay_objects;
		1889	$self->fix_auto_apply;
		1890	$self->update_buttons;
		1891	cf::cede_to_tick;
		1892	$self->set_darkness_map;
		1893	cf::cede_to_tick;
1386	$self->activate;	1894	$self->activate;
1387	}	1895	}
1388		1896
1389	Coro::cede;	1897	$self->{last_save} = $cf::RUNTIME;
		1898	$self->last_access ($cf::RUNTIME);
1390		1899
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1900	$self->in_memory (cf::MAP_IN_MEMORY);
		1901	}
		1902
		1903	$self->post_load;
		1904	}
		1905
		1906	sub customise_for {
		1907	my ($self, $ob) = @_;
		1908
		1909	return find "~" . $ob->name . "/" . $self->{path}
		1910	if $self->per_player;
		1911
		1912	# return find "?party/" . $ob->name . "/" . $self->{path}
		1913	# if $self->per_party;
		1914
		1915	$self
1392	}	1916	}
1393		1917
1394	# find and load all maps in the 3x3 area around a map	1918	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1919	sub load_neighbours {
1396	my ($map) = @_;	1920	my ($map) = @_;
1397		1921
1398	my @diag; # diagonal neighbours	1922	my @neigh; # diagonal neighbours
1399		1923
1400	for (0 .. 3) {	1924	for (0 .. 3) {
1401	my $neigh = $map->tile_path ($_)	1925	my $neigh = $map->tile_path ($_)
1402	or next;	1926	or next;
1403	$neigh = find $neigh, $map	1927	$neigh = find $neigh, $map
1404	or next;	1928	or next;
1405	$neigh->load;	1929	$neigh->load;
1406		1930
		1931	push @neigh,
1407	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1932	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1408	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1933	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1409	}	1934	}
1410		1935
1411	for (@diag) {	1936	for (grep defined $_->[0], @neigh) {
		1937	my ($path, $origin) = @$_;
1412	my $neigh = find @$_	1938	my $neigh = find $path, $origin
1413	or next;	1939	or next;
1414	$neigh->load;	1940	$neigh->load;
1415	}	1941	}
1416	}	1942	}
1417		1943
…		…
1422	}	1948	}
1423		1949
1424	sub do_load_sync {	1950	sub do_load_sync {
1425	my ($map) = @_;	1951	my ($map) = @_;
1426		1952
		1953	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1954	if $Coro::current == $Coro::main;
		1955
1427	cf::sync_job { $map->load };	1956	cf::sync_job { $map->load };
1428	}	1957	}
1429		1958
1430	our %MAP_PREFETCH;	1959	our %MAP_PREFETCH;
		1960	our $MAP_PREFETCHER = undef;
		1961
		1962	sub find_async {
		1963	my ($path, $origin, $load) = @_;
		1964
		1965	$path = normalise $path, $origin && $origin->{path};
		1966
		1967	if (my $map = $cf::MAP{$path}) {
		1968	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1969	}
		1970
		1971	$MAP_PREFETCH{$path} |= $load;
		1972
1431	our $MAP_PREFETCHER = Coro::async {	1973	$MAP_PREFETCHER ||= cf::async {
1432	while () {
1433	while (%MAP_PREFETCH) {	1974	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH	1975	while (my ($k, $v) = each %MAP_PREFETCH) {
1435	or next;	1976	if (my $map = find $k) {
		1977	$map->load if $v;
		1978	}
		1979
1436	my $path = delete $MAP_PREFETCH{$key};	1980	delete $MAP_PREFETCH{$k};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}	1981	}
1442	Coro::schedule;	1982	}
		1983	undef $MAP_PREFETCHER;
1443	}	1984	};
1444	};
1445
1446	sub find_async {
1447	my ($path, $origin) = @_;
1448
1449	$path = new cf::path $path, $origin && $origin->path;
1450	my $key = $path->as_string;
1451
1452	if (my $map = $cf::MAP{$key}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}
1455
1456	$MAP_PREFETCH{$key} = $path;
1457	$MAP_PREFETCHER->ready;	1985	$MAP_PREFETCHER->prio (6);
1458		1986
1459	()	1987	()
1460	}	1988	}
1461		1989
1462	sub save {	1990	sub save {
1463	my ($self) = @_;	1991	my ($self) = @_;
1464		1992
1465	my $lock = cf::lock_acquire "map_data:" . $self->path;	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1466		1994
1467	$self->{last_save} = $cf::RUNTIME;	1995	$self->{last_save} = $cf::RUNTIME;
1468		1996
1469	return unless $self->dirty;	1997	return unless $self->dirty;
1470		1998
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1999	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2000	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		2001
1474	$self->{load_path} = $save;	2002	$self->{load_path} = $save;
1475		2003
1476	return if $self->{deny_save};	2004	return if $self->{deny_save};
1477		2005
…		…
1480	cf::async {	2008	cf::async {
1481	$_->contr->save for $self->players;	2009	$_->contr->save for $self->players;
1482	};	2010	};
1483		2011
1484	if ($uniq) {	2012	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2013	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	2014	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	2015	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2016	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	2017	}
1490	}	2018	}
1491		2019
1492	sub swap_out {	2020	sub swap_out {
1493	my ($self) = @_;	2021	my ($self) = @_;
1494		2022
1495	# save first because save cedes	2023	# save first because save cedes
1496	$self->save;	2024	$self->save;
1497		2025
1498	my $lock = cf::lock_acquire "map_data:" . $self->path;	2026	my $lock = cf::lock_acquire "map_data:$self->{path}";
1499		2027
1500	return if $self->players;	2028	return if $self->players;
1501	return if $self->in_memory != cf::MAP_IN_MEMORY;	2029	return if $self->in_memory != cf::MAP_IN_MEMORY;
1502	return if $self->{deny_save};	2030	return if $self->{deny_save};
1503		2031
…		…
1507		2035
1508	sub reset_at {	2036	sub reset_at {
1509	my ($self) = @_;	2037	my ($self) = @_;
1510		2038
1511	# TODO: safety, remove and allow resettable per-player maps	2039	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2040	return 1e99 if $self->{deny_reset};
1514		2041
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2042	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2043	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2044
…		…
1522	my ($self) = @_;	2049	my ($self) = @_;
1523		2050
1524	$self->reset_at <= $cf::RUNTIME	2051	$self->reset_at <= $cf::RUNTIME
1525	}	2052	}
1526		2053
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	2054	sub reset {
1549	my ($self) = @_;	2055	my ($self) = @_;
1550		2056
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2057	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2058
1553	return if $self->players;	2059	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2060
1556	warn "resetting map ", $self->path;#d#	2061	warn "resetting map ", $self->path;
		2062
		2063	$self->in_memory (cf::MAP_SWAPPED);
		2064
		2065	# need to save uniques path
		2066	unless ($self->{deny_save}) {
		2067	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2068
		2069	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2070	if $uniq;
		2071	}
1557		2072
1558	delete $cf::MAP{$self->path};	2073	delete $cf::MAP{$self->path};
		2074
		2075	$self->clear;
1559		2076
1560	$_->clear_links_to ($self) for values %cf::MAP;	2077	$_->clear_links_to ($self) for values %cf::MAP;
1561		2078
1562	$self->unlink_save;	2079	$self->unlink_save;
1563	$self->destroy;	2080	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	2083	my $nuke_counter = "aaaa";
1567		2084
1568	sub nuke {	2085	sub nuke {
1569	my ($self) = @_;	2086	my ($self) = @_;
1570		2087
		2088	delete $cf::MAP{$self->path};
		2089
		2090	$self->unlink_save;
		2091
		2092	bless $self, "cf::map";
		2093	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2094	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2095	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2096	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2097
		2098	$cf::MAP{$self->path} = $self;
		2099
1574	$self->reset; # polite request, might not happen	2100	$self->reset; # polite request, might not happen
1575	}	2101	}
1576		2102
1577	sub customise_for {	2103	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2104
1580	if ($map->per_player) {	2105	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2106	maps. May block.
		2107
		2108	=cut
		2109
		2110	sub tmp_maps() {
1582	}	2111	[
		2112	map {
		2113	utf8::decode $_;
		2114	/\.map$/
		2115	? normalise $_
		2116	: ()
		2117	} @{ aio_readdir $TMPDIR or [] }
		2118	]
		2119	}
1583		2120
1584	$map	2121	=item $maps = cf::map::random_maps
		2122
		2123	Returns an arrayref with all map paths of currently instantiated and saved
		2124	random maps. May block.
		2125
		2126	=cut
		2127
		2128	sub random_maps() {
		2129	[
		2130	map {
		2131	utf8::decode $_;
		2132	/\.map$/
		2133	? normalise "?random/$_"
		2134	: ()
		2135	} @{ aio_readdir $RANDOMDIR or [] }
		2136	]
1585	}	2137	}
1586		2138
1587	=item cf::map::unique_maps	2139	=item cf::map::unique_maps
1588		2140
1589	Returns an arrayref of cf::path's of all shared maps that have	2141	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2142	instantiated unique items. May block.
1591		2143
1592	=cut	2144	=cut
1593		2145
1594	sub unique_maps() {	2146	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2147	[
1596	or return;	2148	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2149	utf8::decode $_;
1602	next if /\.pst$/;	2150	/\.map$/
1603	next unless /^$PATH_SEP/o;	2151	? normalise $_
1604		2152	: ()
1605	push @paths, new cf::path $_;	2153	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2154	]
1607
1608	\@paths
1609	}	2155	}
1610		2156
1611	package cf;	2157	package cf;
1612		2158
1613	=back	2159	=back
…		…
1659		2205
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2206	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2207
1662	if ($self->{record_replies}) {	2208	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2209	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2210
1664	} else {	2211	} else {
		2212	my $pl = $self->contr;
		2213
		2214	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2215	my $dialog = $pl->{npc_dialog};
		2216	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2217
		2218	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2219	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2220	$self->message ($msg, $flags);
		2221	}
1667	}	2222	}
		2223	}
		2224
		2225	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2226
		2227	=cut
		2228
		2229	sub cf::object::send_msg {
		2230	my $pl = shift->contr
		2231	or return;
		2232	$pl->send_msg (@_);
1668	}	2233	}
1669		2234
1670	=item $player_object->may ("access")	2235	=item $player_object->may ("access")
1671		2236
1672	Returns wether the given player is authorized to access resource "access"	2237	Returns wether the given player is authorized to access resource "access"
…		…
1685		2250
1686	=item $player_object->enter_link	2251	=item $player_object->enter_link
1687		2252
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2253	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2254
1690	The player should be reaosnably safe there for short amounts of time. You	2255	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	2256	I<MUST> call C<leave_link> as soon as possible, though.
1692		2257
		2258	Will never block.
		2259
1693	=item $player_object->leave_link ($map, $x, $y)	2260	=item $player_object->leave_link ($map, $x, $y)
1694		2261
1695	Moves the player out of the specila link map onto the given map. If the	2262	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2263	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2264	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2265	fails, to the emergency map position.
1699		2266
1700	Might block.	2267	Might block.
1701		2268
1702	=cut	2269	=cut
		2270
		2271	sub link_map {
		2272	unless ($LINK_MAP) {
		2273	$LINK_MAP = cf::map::find "{link}"
		2274	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2275	$LINK_MAP->load;
		2276	}
		2277
		2278	$LINK_MAP
		2279	}
1703		2280
1704	sub cf::object::player::enter_link {	2281	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2282	my ($self) = @_;
1706		2283
1707	$self->deactivate_recursive;	2284	$self->deactivate_recursive;
1708		2285
1709	return if $self->map == $LINK_MAP;	2286	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2287
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2288	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2289	if $self->map && $self->map->{path} ne "{link}";
1713		2290
1714	$self->enter_map ($LINK_MAP, 20, 20);	2291	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2292	}
1716		2293
1717	sub cf::object::player::leave_link {	2294	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2295	my ($self, $map, $x, $y) = @_;
		2296
		2297	return unless $self->contr->active;
1719		2298
1720	my $link_pos = delete $self->{_link_pos};	2299	my $link_pos = delete $self->{_link_pos};
1721		2300
1722	unless ($map) {	2301	unless ($map) {
1723	# restore original map position	2302	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2316	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2317	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2318	if $x <=0 && $y <= 0;
1740		2319
1741	$map->load;	2320	$map->load;
1742	$map->load_diag;	2321	$map->load_neighbours;
1743		2322
1744	return unless $self->contr->active;	2323	return unless $self->contr->active;
1745	$self->activate_recursive;	2324	$self->activate_recursive;
		2325
		2326	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2327	$self->enter_map ($map, $x, $y);
1747	}	2328	}
1748		2329
1749	cf::player->attach (	2330	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2331
1753	# abort map switching before logout	2332	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2333	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2334	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2335	the new (success) or old (failed) map position. In either case, $done will
1757	};	2336	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2337
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2338	=cut
		2339
		2340	our $GOTOGEN;
1784		2341
1785	sub cf::object::player::goto {	2342	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2343	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2344
1788	$path = new cf::path $path;	2345	# do generation counting so two concurrent goto's will be executed in-order
		2346	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2347
1790	$self->enter_link;	2348	$self->enter_link;
1791		2349
1792	(async {	2350	(async {
		2351	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	2352	my $map = cf::map::find $path;
		2353
		2354	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2355	$map = $map->customise_for ($self);
1795		2356	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2357	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2358	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2359	}
1800		2360
		2361	$map
		2362	};
		2363
		2364	if ($@) {
		2365	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	LOG llevError | logBacktrace, Carp::longmess $@;
		2367	}
		2368
		2369	if ($gen == $self->{_goto_generation}) {
		2370	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2371	$self->leave_link ($map, $x, $y);
		2372	}
		2373
		2374	$done->() if $done;
1802	})->prio (1);	2375	})->prio (1);
1803	}	2376	}
1804		2377
1805	=item $player_object->enter_exit ($exit_object)	2378	=item $player_object->enter_exit ($exit_object)
1806		2379
…		…
1808		2381
1809	sub parse_random_map_params {	2382	sub parse_random_map_params {
1810	my ($spec) = @_;	2383	my ($spec) = @_;
1811		2384
1812	my $rmp = { # defaults	2385	my $rmp = { # defaults
1813	xsize => 10,	2386	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2387	ysize => (cf::rndm 15, 40),
		2388	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2389	#layout => string,
1815	};	2390	};
1816		2391
1817	for (split /\n/, $spec) {	2392	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2393	my ($k, $v) = split /\s+/, $_, 2;
1819		2394
…		…
1823	$rmp	2398	$rmp
1824	}	2399	}
1825		2400
1826	sub prepare_random_map {	2401	sub prepare_random_map {
1827	my ($exit) = @_;	2402	my ($exit) = @_;
		2403
		2404	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2405
1829	# all this does is basically replace the /! path by	2406	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2407	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2408	# that depends on the exit object
1832		2409
1833	my $rmp = parse_random_map_params $exit->msg;	2410	my $rmp = parse_random_map_params $exit->msg;
1834		2411
1835	if ($exit->map) {	2412	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2413	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2414	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2415	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2416	$rmp->{origin_y} = $exit->y;
1840	}	2417	}
1841		2418
1842	$rmp->{random_seed} ||= $exit->random_seed;	2419	$rmp->{random_seed} ||= $exit->random_seed;
1843		2420
1844	my $data = cf::to_json $rmp;	2421	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2422	my $md5 = Digest::MD5::md5_hex $data;
		2423	my $meta = "$RANDOMDIR/$md5.meta";
1846		2424
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2425	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2426	aio_write $fh, 0, (length $data), $data, 0;
		2427	undef $fh;
		2428	aio_rename "$meta~", $meta;
1849		2429
1850	$exit->slaying ("?random/$md5");	2430	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2431	$exit->msg (undef);
1852	}	2432	}
1853	}	2433	}
…		…
1855	sub cf::object::player::enter_exit {	2435	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2436	my ($self, $exit) = @_;
1857		2437
1858	return unless $self->type == cf::PLAYER;	2438	return unless $self->type == cf::PLAYER;
1859		2439
		2440	if ($exit->slaying eq "/!") {
		2441	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2442	# the problem is that $exit might not survive long enough
		2443	# so it needs to be done right now, right here
		2444	cf::sync_job { prepare_random_map $exit };
		2445	}
		2446
		2447	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2448	my $hp = $exit->stats->hp;
		2449	my $sp = $exit->stats->sp;
		2450
1860	$self->enter_link;	2451	$self->enter_link;
		2452
		2453	# if exit is damned, update players death & WoR home-position
		2454	$self->contr->savebed ($slaying, $hp, $sp)
		2455	if $exit->flag (FLAG_DAMNED);
1861		2456
1862	(async {	2457	(async {
1863	$self->deactivate_recursive; # just to be sure	2458	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2459	unless (eval {
1865	prepare_random_map $exit	2460	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		2461
1871	1;	2462	1;
1872	}) {	2463	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2464	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2465	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2466	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2467	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2468
1878	warn "ERROR in enter_exit: $@";	2469	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2470	$self->leave_link;
1880	}	2471	}
1881	})->prio (1);	2472	})->prio (1);
…		…
1894		2485
1895	sub cf::client::send_drawinfo {	2486	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2487	my ($self, $text, $flags) = @_;
1897		2488
1898	utf8::encode $text;	2489	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2490	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2491	}
1901		2492
		2493	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2494
		2495	Send a drawinfo or msg packet to the client, formatting the msg for the
		2496	client if neccessary. C<$type> should be a string identifying the type of
		2497	the message, with C<log> being the default. If C<$color> is negative, suppress
		2498	the message unless the client supports the msg packet.
		2499
		2500	=cut
		2501
		2502	sub cf::client::send_msg {
		2503	my ($self, $channel, $msg, $color, @extra) = @_;
		2504
		2505	$msg = $self->pl->expand_cfpod ($msg);
		2506
		2507	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2508
		2509	if (ref $channel) {
		2510	# send meta info to client, if not yet sent
		2511	unless (exists $self->{channel}{$channel->{id}}) {
		2512	$self->{channel}{$channel->{id}} = $channel;
		2513	$self->ext_msg (channel_info => $channel);
		2514	}
		2515
		2516	$channel = $channel->{id};
		2517	}
		2518
		2519	return unless @extra || length $msg;
		2520
		2521	if ($self->can_msg) {
		2522	# default colour, mask it out
		2523	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2524	if $color & cf::NDI_DEF;
		2525
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2527	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2528	} else {
		2529	if ($color >= 0) {
		2530	# replace some tags by gcfclient-compatible ones
		2531	for ($msg) {
		2532	1 while
		2533	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2534	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2535	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2536	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2537	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2538	}
		2539
		2540	$color &= cf::NDI_COLOR_MASK;
		2541
		2542	utf8::encode $msg;
		2543
		2544	if (0 && $msg =~ /\[/) {
		2545	# COMMAND/INFO
		2546	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
		2555	=item $client->ext_msg ($type, @msg)
		2556
		2557	Sends an ext event to the client.
		2558
		2559	=cut
		2560
		2561	sub cf::client::ext_msg($$@) {
		2562	my ($self, $type, @msg) = @_;
		2563
		2564	if ($self->extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($self->extcmd == 1) { # TODO: remove
		2567	push @msg, msgtype => "event_$type";
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
		2571
		2572	=item $client->ext_reply ($msgid, @msg)
		2573
		2574	Sends an ext reply to the client.
		2575
		2576	=cut
		2577
		2578	sub cf::client::ext_reply($$@) {
		2579	my ($self, $id, @msg) = @_;
		2580
		2581	if ($self->extcmd == 2) {
		2582	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2583	} elsif ($self->extcmd == 1) {
		2584	#TODO: version 1, remove
		2585	unshift @msg, msgtype => "reply", msgid => $id;
		2586	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2587	}
		2588	}
1902		2589
1903	=item $success = $client->query ($flags, "text", \&cb)	2590	=item $success = $client->query ($flags, "text", \&cb)
1904		2591
1905	Queues a query to the client, calling the given callback with	2592	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2593	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2594	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2595
1909	Queries can fail, so check the return code. Or don't, as queries will become	2596	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2597	become reliable at some point in the future.
1911		2598
1912	=cut	2599	=cut
1913		2600
1914	sub cf::client::query {	2601	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2602	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2610	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2611	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2612
1926	$self->send_packet ($self->{query_queue}[0][0])	2613	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2614	if @{ $self->{query_queue} } == 1;
		2615
		2616	1
1928	}	2617	}
1929		2618
1930	cf::client->attach (	2619	cf::client->attach (
		2620	on_connect => sub {
		2621	my ($ns) = @_;
		2622
		2623	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2624	},
1931	on_reply => sub {	2625	on_reply => sub {
1932	my ($ns, $msg) = @_;	2626	my ($ns, $msg) = @_;
1933		2627
1934	# this weird shuffling is so that direct followup queries	2628	# this weird shuffling is so that direct followup queries
1935	# get handled first	2629	# get handled first
1936	my $queue = delete $ns->{query_queue}	2630	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2631	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2632
1939	(shift @$queue)->[1]->($msg);	2633	(shift @$queue)->[1]->($msg);
		2634	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2635
1941	push @{ $ns->{query_queue} }, @$queue;	2636	push @{ $ns->{query_queue} }, @$queue;
1942		2637
1943	if (@{ $ns->{query_queue} } == @$queue) {	2638	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2639	if (@$queue) {
…		…
1946	} else {	2641	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2642	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2643	}
1949	}	2644	}
1950	},	2645	},
		2646	on_exticmd => sub {
		2647	my ($ns, $buf) = @_;
		2648
		2649	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2650
		2651	if (ref $msg) {
		2652	my ($type, $reply, @payload) =
		2653	"ARRAY" eq ref $msg
		2654	? @$msg
		2655	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2656
		2657	my @reply;
		2658
		2659	if (my $cb = $EXTICMD{$type}) {
		2660	@reply = $cb->($ns, @payload);
		2661	}
		2662
		2663	$ns->ext_reply ($reply, @reply)
		2664	if $reply;
		2665
		2666	} else {
		2667	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2668	}
		2669
		2670	cf::override;
		2671	},
1951	);	2672	);
1952		2673
1953	=item $client->async (\&cb)	2674	=item $client->async (\&cb)
1954		2675
1955	Create a new coroutine, running the specified callback. The coroutine will	2676	Create a new coroutine, running the specified callback. The coroutine will
…		…
1996	our $safe = new Safe "safe";	2717	our $safe = new Safe "safe";
1997	our $safe_hole = new Safe::Hole;	2718	our $safe_hole = new Safe::Hole;
1998		2719
1999	$SIG{FPE} = 'IGNORE';	2720	$SIG{FPE} = 'IGNORE';
2000		2721
2001	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2722	$safe->permit_only (Opcode::opset qw(
		2723	:base_core :base_mem :base_orig :base_math
		2724	grepstart grepwhile mapstart mapwhile
		2725	sort time
		2726	));
2002		2727
2003	# here we export the classes and methods available to script code	2728	# here we export the classes and methods available to script code
2004		2729
2005	=pod	2730	=pod
2006		2731
2007	The following fucntions and emthods are available within a safe environment:	2732	The following functions and methods are available within a safe environment:
2008		2733
2009	cf::object contr pay_amount pay_player map	2734	cf::object
		2735	contr pay_amount pay_player map x y force_find force_add
		2736	insert remove name archname title slaying race decrease_ob_nr
		2737
2010	cf::object::player player	2738	cf::object::player
2011	cf::player peaceful	2739	player
2012	cf::map trigger	2740
		2741	cf::player
		2742	peaceful
		2743
		2744	cf::map
		2745	trigger
2013		2746
2014	=cut	2747	=cut
2015		2748
2016	for (	2749	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	2750	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2751	insert remove inv name archname title slaying race
		2752	decrease_ob_nr)],
2018	["cf::object::player" => qw(player)],	2753	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	2754	["cf::player" => qw(peaceful)],
2020	["cf::map" => qw(trigger)],	2755	["cf::map" => qw(trigger)],
2021	) {	2756	) {
2022	no strict 'refs';	2757	no strict 'refs';
…		…
2093	=back	2828	=back
2094		2829
2095	=cut	2830	=cut
2096		2831
2097	#############################################################################	2832	#############################################################################
		2833	# the server's init and main functions
2098		2834
2099	=head2 EXTENSION DATABASE SUPPORT	2835	sub load_facedata($) {
		2836	my ($path) = @_;
2100		2837
2101	Crossfire maintains a very simple database for extension use. It can	2838	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2102	currently store anything that can be serialised using Storable, which
2103	excludes objects.
2104		2839
2105	The parameter C<$family> should best start with the name of the extension	2840	warn "loading facedata from $path\n";
2106	using it, it should be unique.
2107		2841
2108	=over 4	2842	my $facedata;
		2843	0 < aio_load $path, $facedata
		2844	or die "$path: $!";
2109		2845
2110	=item $hashref = cf::db_get $family	2846	$facedata = Coro::Storable::thaw $facedata;
2111		2847
2112	Return a hashref for use by the extension C<$family>, which can be	2848	$facedata->{version} == 2
2113	modified. After modifications, you have to call C<cf::db_dirty> or	2849	or cf::cleanup "$path: version mismatch, cannot proceed.";
2114	C<cf::db_sync>.
2115		2850
2116	=item $value = cf::db_get $family => $key	2851	# patch in the exptable
2117		2852	$facedata->{resource}{"res/exp_table"} = {
2118	Returns a single value from the database	2853	type => FT_RSRC,
2119		2854	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2120	=item cf::db_put $family => $hashref
2121
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}
2148
2149	my $pid;
2150
2151	sub db_save() {
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	2855	};
		2856	cf::cede_to_tick;
2171		2857
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}	2858	{
		2859	my $faces = $facedata->{faceinfo};
2176		2860
2177	sub db_get($;$) {	2861	while (my ($face, $info) = each %$faces) {
2178	@_ >= 2	2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	? $DB->{$_[0]}{$_[1]}	2863	cf::face::set_visibility $idx, $info->{visibility};
2180	: ($DB->{$_[0]} ||= { })	2864	cf::face::set_magicmap $idx, $info->{magicmap};
2181	}	2865	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2866	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2182		2867
2183	sub db_put($$;$) {	2868	cf::cede_to_tick;
2184	if (@_ >= 3) {
2185	$DB->{$_[0]}{$_[1]} = $_[2];
2186	} else {
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191
2192	cf::global->attach (
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	2869	}
2197	);
2198	}
2199		2870
2200	#############################################################################	2871	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	2872	next unless $info->{smooth};
		2873	my $idx = cf::face::find $face
		2874	or next;
		2875	if (my $smooth = cf::face::find $info->{smooth}) {
		2876	cf::face::set_smooth $idx, $smooth;
		2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2878	} else {
		2879	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2880	}
2202		2881
2203	sub cfg_load {	2882	cf::cede_to_tick;
		2883	}
		2884	}
		2885
		2886	{
		2887	my $anims = $facedata->{animinfo};
		2888
		2889	while (my ($anim, $info) = each %$anims) {
		2890	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2891	cf::cede_to_tick;
		2892	}
		2893
		2894	cf::anim::invalidate_all; # d'oh
		2895	}
		2896
		2897	{
		2898	# TODO: for gcfclient pleasure, we should give resources
		2899	# that gcfclient doesn't grok a >10000 face index.
		2900	my $res = $facedata->{resource};
		2901
		2902	my $soundconf = delete $res->{"res/sound.conf"};
		2903
		2904	while (my ($name, $info) = each %$res) {
		2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2906	my $data;
		2907
		2908	if ($info->{type} & 1) {
		2909	# prepend meta info
		2910
		2911	my $meta = $enc->encode ({
		2912	name => $name,
		2913	%{ $info->{meta} || {} },
		2914	});
		2915
		2916	$data = pack "(w/a*)*", $meta, $info->{data};
		2917	} else {
		2918	$data = $info->{data};
		2919	}
		2920
		2921	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2922	cf::face::set_type $idx, $info->{type};
		2923
		2924	cf::cede_to_tick;
		2925	}
		2926
		2927	if ($soundconf) {
		2928	$soundconf = $enc->decode (delete $soundconf->{data});
		2929
		2930	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2931	my $sound = $soundconf->{compat}[$_]
		2932	or next;
		2933
		2934	my $face = cf::face::find "sound/$sound->[1]";
		2935	cf::sound::set $sound->[0] => $face;
		2936	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2937	}
		2938
		2939	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2940	my $face = cf::face::find "sound/$v";
		2941	cf::sound::set $k => $face;
		2942	}
		2943	}
		2944	}
		2945
		2946	1
		2947	}
		2948
		2949	register_exticmd fx_want => sub {
		2950	my ($ns, $want) = @_;
		2951
		2952	while (my ($k, $v) = each %$want) {
		2953	$ns->fx_want ($k, $v);
		2954	}
		2955	};
		2956
		2957	sub reload_regions {
		2958	load_resource_file "$MAPDIR/regions"
		2959	or die "unable to load regions file\n";
		2960
		2961	for (cf::region::list) {
		2962	$_->{match} = qr/$_->{match}/
		2963	if exists $_->{match};
		2964	}
		2965	}
		2966
		2967	sub reload_facedata {
		2968	load_facedata "$DATADIR/facedata"
		2969	or die "unable to load facedata\n";
		2970	}
		2971
		2972	sub reload_archetypes {
		2973	load_resource_file "$DATADIR/archetypes"
		2974	or die "unable to load archetypes\n";
		2975	#d# NEED to laod twice to resolve forward references
		2976	# this really needs to be done in an extra post-pass
		2977	# (which needs to be synchronous, so solve it differently)
		2978	load_resource_file "$DATADIR/archetypes"
		2979	or die "unable to load archetypes\n";
		2980	}
		2981
		2982	sub reload_treasures {
		2983	load_resource_file "$DATADIR/treasures"
		2984	or die "unable to load treasurelists\n";
		2985	}
		2986
		2987	sub reload_resources {
		2988	warn "reloading resource files...\n";
		2989
		2990	reload_regions;
		2991	reload_facedata;
		2992	#reload_archetypes;#d#
		2993	reload_archetypes;
		2994	reload_treasures;
		2995
		2996	warn "finished reloading resource files\n";
		2997	}
		2998
		2999	sub init {
		3000	reload_resources;
		3001	}
		3002
		3003	sub reload_config {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	3004	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	3005	or return;
2206		3006
2207	local $/;	3007	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	3008	*CFG = YAML::Syck::Load <$fh>;
2209		3009
…		…
2223		3023
2224	sub main {	3024	sub main {
2225	# we must not ever block the main coroutine	3025	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3026	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3027	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3028	(async {
2228	async { Event::one_event };	3029	Event::one_event;
		3030	})->prio (Coro::PRIO_MAX);
2229	};	3031	};
2230		3032
2231	cfg_load;	3033	reload_config;
2232	db_load;	3034	db_init;
2233	load_extensions;	3035	load_extensions;
		3036
		3037	$TICK_WATCHER->start;
2234	Event::loop;	3038	Event::loop;
2235	}	3039	}
2236		3040
2237	#############################################################################	3041	#############################################################################
2238	# initialisation and cleanup	3042	# initialisation and cleanup
2239		3043
2240	# install some emergency cleanup handlers	3044	# install some emergency cleanup handlers
2241	BEGIN {	3045	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	3046	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3047	Event->signal (
		3048	reentrant => 0,
2244	data => WF_AUTOCANCEL,	3049	data => WF_AUTOCANCEL,
2245	signal => $signal,	3050	signal => $signal,
		3051	prio => 0,
2246	cb => sub {	3052	cb => sub {
2247	cf::cleanup "SIG$signal";	3053	cf::cleanup "SIG$signal";
2248	},	3054	},
2249	);	3055	);
2250	}	3056	}
2251	}	3057	}
2252		3058
		3059	sub write_runtime {
		3060	my $runtime = "$LOCALDIR/runtime";
		3061
		3062	# first touch the runtime file to show we are still running:
		3063	# the fsync below can take a very very long time.
		3064
		3065	IO::AIO::aio_utime $runtime, undef, undef;
		3066
		3067	my $guard = cf::lock_acquire "write_runtime";
		3068
		3069	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3070	or return;
		3071
		3072	my $value = $cf::RUNTIME + 90 + 10;
		3073	# 10 is the runtime save interval, for a monotonic clock
		3074	# 60 allows for the watchdog to kill the server.
		3075
		3076	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3077	and return;
		3078
		3079	# always fsync - this file is important
		3080	aio_fsync $fh
		3081	and return;
		3082
		3083	# touch it again to show we are up-to-date
		3084	aio_utime $fh, undef, undef;
		3085
		3086	close $fh
		3087	or return;
		3088
		3089	aio_rename "$runtime~", $runtime
		3090	and return;
		3091
		3092	warn "runtime file written.\n";
		3093
		3094	1
		3095	}
		3096
2253	sub emergency_save() {	3097	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3098	my $freeze_guard = cf::freeze_mainloop;
2255		3099
2256	warn "enter emergency perl save\n";	3100	warn "enter emergency perl save\n";
2257		3101
2258	cf::sync_job {	3102	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	3103	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3104	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3105	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3106	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	3107	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3108	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3109	$pl->valid or next;
2266	$pl->save;	3110	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	3116	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3117	$map->valid or next;
2274	$map->save;	3118	$map->save;
2275	}	3119	}
2276	warn "end emergency map save\n";	3120	warn "end emergency map save\n";
		3121
		3122	warn "begin emergency database checkpoint\n";
		3123	BDB::db_env_txn_checkpoint $DB_ENV;
		3124	warn "end emergency database checkpoint\n";
2277	};	3125	};
2278		3126
2279	warn "leave emergency perl save\n";	3127	warn "leave emergency perl save\n";
2280	}	3128	}
2281		3129
		3130	sub post_cleanup {
		3131	my ($make_core) = @_;
		3132
		3133	warn Carp::longmess "post_cleanup backtrace"
		3134	if $make_core;
		3135	}
		3136
2282	sub reload() {	3137	sub do_reload_perl() {
2283	# can/must only be called in main	3138	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3139	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	3140	warn "can only reload from main coroutine";
2286	return;	3141	return;
2287	}	3142	}
2288		3143
2289	warn "reloading...";	3144	warn "reloading...";
2290		3145
2291	warn "freezing server";	3146	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	3147
		3148	cf::sync_job {
		3149	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	3150	cf::emergency_save;
		3151	cf::write_runtime; # external watchdog should not bark
2294		3152
2295	warn "sync database to disk";	3153	warn "syncing database to disk";
2296	cf::db_sync;	3154	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3155
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	3156	# if anything goes wrong in here, we should simply crash as we already saved
2301		3157
2302	warn "cancel all watchers";	3158	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	3159	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	3160	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	3161	}
2306		3162
		3163	warn "flushing outstanding aio requests";
		3164	for (;;) {
		3165	BDB::flush;
		3166	IO::AIO::flush;
		3167	Coro::cede;
		3168	last unless IO::AIO::nreqs || BDB::nreqs;
		3169	warn "iterate...";
		3170	}
		3171
		3172	++$RELOAD;
		3173
2307	warn "cancel all extension coros";	3174	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	3175	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	3176	%EXT_CORO = ();
2310		3177
2311	warn "remove commands";	3178	warn "removing commands";
2312	%COMMAND = ();	3179	%COMMAND = ();
2313		3180
2314	warn "remove ext commands";	3181	warn "removing ext/exti commands";
2315	%EXTCMD = ();	3182	%EXTCMD = ();
		3183	%EXTICMD = ();
2316		3184
2317	warn "unload/nuke all extensions";	3185	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	3186	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	3187	warn "... unloading $pkg";
2320		3188
2321	if (my $cb = $pkg->can ("unload")) {	3189	if (my $cb = $pkg->can ("unload")) {
2322	eval {	3190	eval {
2323	$cb->($pkg);	3191	$cb->($pkg);
2324	1	3192	1
2325	} or warn "$pkg unloaded, but with errors: $@";	3193	} or warn "$pkg unloaded, but with errors: $@";
2326	}	3194	}
2327		3195
		3196	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	3197	Symbol::delete_package $pkg;
2329	}	3198	}
2330		3199
2331	warn "unload all perl modules loaded from $LIBDIR";	3200	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	3201	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3202	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		3203
2335	warn "removing <$k>";	3204	warn "... unloading $k";
2336	delete $INC{$k};	3205	delete $INC{$k};
2337		3206
2338	$k =~ s/\.pm$//;	3207	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	3208	$k =~ s/\//::/g;
2340		3209
…		…
2343	}	3212	}
2344		3213
2345	Symbol::delete_package $k;	3214	Symbol::delete_package $k;
2346	}	3215	}
2347		3216
2348	warn "get rid of safe::, as good as possible";	3217	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	3218	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3219	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		3220
2352	warn "unload cf.pm \"a bit\"";	3221	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	3222	delete $INC{"cf.pm"};
		3223	delete $INC{"cf/pod.pm"};
2354		3224
2355	# don't, removes xs symbols, too,	3225	# don't, removes xs symbols, too,
2356	# and global variables created in xs	3226	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	3227	#Symbol::delete_package __PACKAGE__;
2358		3228
		3229	warn "unload completed, starting to reload now";
		3230
2359	warn "reloading cf.pm";	3231	warn "reloading cf.pm";
2360	require cf;	3232	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3233	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		3234
2363	warn "load config and database again";	3235	warn "loading config and database again";
2364	cf::cfg_load;	3236	cf::reload_config;
2365	cf::db_load;
2366		3237
2367	warn "load extensions";	3238	warn "loading extensions";
2368	cf::load_extensions;	3239	cf::load_extensions;
2369		3240
2370	warn "reattach attachments to objects/players";	3241	warn "reattaching attachments to objects/players";
2371	_global_reattach;	3242	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	3243	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	3244	reattach $_ for values %MAP;
2374	};	3245	warn "reattaching attachments to players";
		3246	reattach $_ for values %PLAYER;
2375		3247
2376	if ($@) {	3248	warn "leaving sync_job";
		3249
		3250	1
		3251	} or do {
2377	warn $@;	3252	warn $@;
2378	warn "error while reloading, exiting.";	3253	warn "error while reloading, exiting.";
2379	exit 1;	3254	exit 1;
2380	}	3255	};
2381		3256
2382	warn "reloaded";	3257	warn "reloaded";
2383	};	3258	};
2384		3259
2385	#############################################################################	3260	our $RELOAD_WATCHER; # used only during reload
2386		3261
2387	unless ($LINK_MAP) {	3262	sub reload_perl() {
2388	$LINK_MAP = cf::map::new;	3263	# doing reload synchronously and two reloads happen back-to-back,
		3264	# coro crashes during coro_state_free->destroy here.
2389		3265
2390	$LINK_MAP->width (41);	3266	$RELOAD_WATCHER ||= Event->timer (
2391	$LINK_MAP->height (41);	3267	reentrant => 0,
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,	3268	after => 0,
		3269	data => WF_AUTOCANCEL,
2400	cb => sub {	3270	cb => sub {
2401	$_[0]->w->cancel;	3271	do_reload_perl;
2402		3272	undef $RELOAD_WATCHER;
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});	3273	},
2421		3274	);
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	3275	}
2427		3276
2428	register_command "reload" => sub {	3277	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	3278	my ($who, $arg) = @_;
2430		3279
2431	if ($who->flag (FLAG_WIZ)) {	3280	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	3281	$who->message ("reloading server.");
		3282	async { reload_perl };
2435	}	3283	}
2436	};	3284	};
2437		3285
2438	unshift @INC, $LIBDIR;	3286	unshift @INC, $LIBDIR;
2439		3287
		3288	my $bug_warning = 0;
		3289
		3290	our @WAIT_FOR_TICK;
		3291	our @WAIT_FOR_TICK_BEGIN;
		3292
		3293	sub wait_for_tick {
		3294	return unless $TICK_WATCHER->is_active;
		3295	return if $Coro::current == $Coro::main;
		3296
		3297	my $signal = new Coro::Signal;
		3298	push @WAIT_FOR_TICK, $signal;
		3299	$signal->wait;
		3300	}
		3301
		3302	sub wait_for_tick_begin {
		3303	return unless $TICK_WATCHER->is_active;
		3304	return if $Coro::current == $Coro::main;
		3305
		3306	my $signal = new Coro::Signal;
		3307	push @WAIT_FOR_TICK_BEGIN, $signal;
		3308	$signal->wait;
		3309	}
		3310
		3311	my $min = 1e6;#d#
		3312	my $avg = 10;
2440	$TICK_WATCHER = Event->timer (	3313	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	3314	reentrant => 0,
		3315	parked => 1,
2442	prio => 0,	3316	prio => 0,
2443	at => $NEXT_TICK || $TICK,	3317	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	3318	data => WF_AUTOCANCEL,
2445	cb => sub {	3319	cb => sub {
		3320	if ($Coro::current != $Coro::main) {
		3321	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3322	unless ++$bug_warning > 10;
		3323	return;
		3324	}
		3325
		3326	$NOW = $tick_start = Event::time;
		3327
2446	cf::server_tick; # one server iteration	3328	cf::server_tick; # one server iteration
		3329
		3330	0 && sync_job {#d#
		3331	for(1..10) {
		3332	my $t = Event::time;
		3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3334	or die;
		3335
		3336	$map->width (50);
		3337	$map->height (50);
		3338	$map->alloc;
		3339	$map->_load_objects ("/tmp/x.map", 1);
		3340	my $t = Event::time - $t;
		3341
		3342	#next unless $t < 0.0013;#d#
		3343	if ($t < $min) {
		3344	$min = $t;
		3345	}
		3346	$avg = $avg * 0.99 + $t * 0.01;
		3347	}
		3348	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3349	exit 0;
		3350	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3351	};
		3352
2447	$RUNTIME += $TICK;	3353	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	3354	$NEXT_TICK += $TICK;
2449		3355
2450	$WAIT_FOR_TICK->broadcast;	3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3357	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3358	Coro::async_pool {
		3359	write_runtime
		3360	or warn "ERROR: unable to write runtime file: $!";
		3361	};
		3362	}
		3363
		3364	# my $AFTER = Event::time;
		3365	# warn $AFTER - $NOW;#d#
		3366
		3367	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3368	$sig->send;
		3369	}
		3370	while (my $sig = shift @WAIT_FOR_TICK) {
		3371	$sig->send;
		3372	}
		3373
		3374	$NOW = Event::time;
2452		3375
2453	# if we are delayed by four ticks or more, skip them all	3376	# if we are delayed by four ticks or more, skip them all
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3377	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2455		3378
2456	$TICK_WATCHER->at ($NEXT_TICK);	3379	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;	3380	$TICK_WATCHER->start;
		3381
		3382	$LOAD = ($NOW - $tick_start) / $TICK;
		3383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3384
		3385	_post_tick;
		3386
		3387
2458	},	3388	},
2459	);	3389	);
2460		3390
		3391	{
2461	IO::AIO::max_poll_time $TICK * 0.2;	3392	BDB::max_poll_time $TICK * 0.1;
2462		3393	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	3394	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	3395	fd => BDB::poll_fileno,
2465	poll => 'r',	3396	poll => 'r',
2466	prio => 5,	3397	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	3398	data => WF_AUTOCANCEL,
2473	after => 0,	3399	cb => \&BDB::poll_cb,
2474	interval => 10,	3400	);
2475	cb => sub {	3401	BDB::min_parallel 8;
2476	(Coro::unblock_sub {	3402
2477	write_runtime	3403	BDB::set_sync_prepare {
2478	or warn "ERROR: unable to write runtime file: $!";	3404	my $status;
		3405	my $current = $Coro::current;
		3406	(
		3407	sub {
		3408	$status = $!;
		3409	$current->ready; undef $current;
		3410	},
		3411	sub {
		3412	Coro::schedule while defined $current;
		3413	$! = $status;
		3414	},
		3415	)
		3416	};
		3417
		3418	unless ($DB_ENV) {
		3419	$DB_ENV = BDB::db_env_create;
		3420
		3421	cf::sync_job {
		3422	eval {
		3423	BDB::db_env_open
		3424	$DB_ENV,
		3425	$BDBDIR,
		3426	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3427	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3428	0666;
		3429
		3430	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3431
		3432	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3433	$DB_ENV->set_lk_detect;
		3434	};
		3435
		3436	cf::cleanup "db_env_open(db): $@" if $@;
2479	})->();	3437	};
2480	},	3438	}
2481	);	3439	}
		3440
		3441	{
		3442	IO::AIO::min_parallel 8;
		3443
		3444	undef $Coro::AIO::WATCHER;
		3445	IO::AIO::max_poll_time $TICK * 0.1;
		3446	$AIO_POLL_WATCHER = Event->io (
		3447	reentrant => 0,
		3448	data => WF_AUTOCANCEL,
		3449	fd => IO::AIO::poll_fileno,
		3450	poll => 'r',
		3451	prio => 6,
		3452	cb => \&IO::AIO::poll_cb,
		3453	);
		3454	}
		3455
		3456	my $_log_backtrace;
		3457
		3458	sub _log_backtrace {
		3459	my ($msg, @addr) = @_;
		3460
		3461	$msg =~ s/\n//;
		3462
		3463	# limit the # of concurrent backtraces
		3464	if ($_log_backtrace < 2) {
		3465	++$_log_backtrace;
		3466	async {
		3467	my @bt = fork_call {
		3468	@addr = map { sprintf "%x", $_ } @addr;
		3469	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3470	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3471	or die "addr2line: $!";
		3472
		3473	my @funcs;
		3474	my @res = <$fh>;
		3475	chomp for @res;
		3476	while (@res) {
		3477	my ($func, $line) = splice @res, 0, 2, ();
		3478	push @funcs, "[$func] $line";
		3479	}
		3480
		3481	@funcs
		3482	};
		3483
		3484	LOG llevInfo, "[ABT] $msg\n";
		3485	LOG llevInfo, "[ABT] $_\n" for @bt;
		3486	--$_log_backtrace;
		3487	};
		3488	} else {
		3489	LOG llevInfo, "[ABT] $msg\n";
		3490	LOG llevInfo, "[ABT] [suppressed]\n";
		3491	}
		3492	}
		3493
		3494	# load additional modules
		3495	use cf::pod;
2482		3496
2483	END { cf::emergency_save }	3497	END { cf::emergency_save }
2484		3498
2485	1	3499	1
2486		3500

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines